#linuxcnc | Logs for 2015-09-28

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[00:21:09] <MacGalempsy> HELLO
[00:21:13] <MacGalempsy> opps hello
[00:23:43] <Tom_itx> hElLo
[00:24:34] <XXCoder> hhhhello
[00:24:44] <malcom2073> HeLlO
[00:24:49] <MacGalempsy> hows it going guys?
[00:25:12] <XXCoder> not much
[00:25:48] <MacGalempsy> just had to change the psu on my workstation...
[00:25:58] <MacGalempsy> atleast it was pretty acccessible
[00:28:07] <MacGalempsy> anyone making anything cool today?
[00:28:29] <Wolf_> I should be, instead I’m looking at sewing machine motors
[00:28:42] <Tom_itx> Wolf_, lemme know how that goes
[00:29:32] <Wolf_> I found some mention of hacking them for taig cnc in a yahoo group post from 2 years ago
[00:29:44] <XXCoder> need parallel interface to make cool stuff
[00:29:49] <MacGalempsy> nice.
[00:30:02] <MacGalempsy> Sounds like a thriftstore mission
[00:30:24] <XXCoder> nah
[00:30:28] <XXCoder> ordered online
[00:30:41] <Wolf_> mentions adding a 10k pot to replace the photo interrupter in the foot control and possibly doing a PWM to digital pot
[00:31:19] <Tom_itx> mesa makes one of those i believe
[00:31:27] <Wolf_> MacGalempsy: 750W brushless servo sewing machine motors
[00:31:44] <MacGalempsy> do they have controllers in there?
[00:32:38] <MacGalempsy> what do those motors cost?
[00:33:11] <Wolf_> http://www.ebay.com/itm/Energy-Saving-Brushless-Servo-Motor-for-industrial-Sewing-Machine-750W-/221889352283?var=&hash=item33a9a2d25b
[00:34:08] <MacGalempsy> that looks like a pretty good deal. do they have encoders built in?
[00:34:40] <MacGalempsy> 4000RPM!
[00:34:44] <MacGalempsy> on an axis?
[00:34:46] <Wolf_> no idea, info is slim
[00:34:58] <Wolf_> spindle drive lol
[00:35:18] <Wolf_> thats almost 1hp
[00:35:30] <MacGalempsy> excuse me sir, I need a machine that can rapid at 1000ipm
[00:36:10] <Tom_itx> they are out there
[00:38:36] <MacGalempsy> even 400 ipm sounds scarey
[00:38:54] <XXCoder> theres there is ones that can do 10k ipm rapids
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[00:40:07] <renesis> ha, fuckin knock your ass out jogging
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[00:41:11] <renesis> the 5x10 router i worked on for a bit had crazy fast rapids
[00:41:40] <renesis> i dont remember the number, other than it seemed like a mind blowing value despite the speed not seeming unsafe in person
[00:41:54] <renesis> machine is bigger so going thata fast seems reasonable
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[00:42:38] <malcom2073> You can get really high speeds with rack and pinion drive systems
[00:43:19] <malcom2073> Though I have some ballscrew actuators that have a max speed of 700in/min
[00:43:32] <renesis> this thing was big giant gantry on little recirculating ball bearing rails
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[00:44:07] <renesis> it was fast but the acceleration wasnt more than what youd expect, just had a long distance to get up to speed
[00:44:21] <malcom2073> Yeah that's the other thing he
[00:44:22] <malcom2073> heh
[00:45:05] <renesis> like im not sure it ever reached it max speed in shorter than full X rapids, always sounded like it was accelerating in G0
[00:45:52] <renesis> neat machine to program, sucks that the boss guy couldnt sell shit
[00:47:23] <Tom_itx> i would bet those machines are energy hogs too
[00:47:24] <renesis> they made folding tables for laundromats and dry cleaners, i guess theirs last too long and there just werent that many more customers that they hadnt sold to
[00:47:35] <malcom2073> Heh
[00:48:07] <renesis> i got there and there was a big backlog because no one to drive the machine, cleared the backlog, ask boss what now
[00:48:36] <renesis> 'can you fix my laptop keyboard?' 'yeah sure but really what no you have no more orders?'
[00:48:58] <renesis> and that was the end of that job =\
[00:51:14] <renesis> http://jbmillwork.com/Router1.jpg
[00:52:12] <renesis> ha they dont have the safety mat
[00:53:22] <renesis> first job was to disable sawdust fucked estop mat =\
[00:53:42] <XXCoder> what a huge head
[00:54:04] <malcom2073> Yeah that's an oddly large head, toolchanger inside?
[00:54:11] <renesis> it has shit for horizontal drilling, sometimes was pretty good at catching all its dust
[00:54:18] <XXCoder> nah tools a foot wide. ;)
[00:54:39] <renesis> the toolchanger is off to the side
[00:54:45] <XXCoder> malcom2073: I see toolchanger off to side so I guess no.
[00:54:47] <malcom2073> Ah I see the post
[00:54:47] <malcom2073> yeah
[00:55:06] <renesis> that head is like 80% empty
[00:55:36] <renesis> the headstock and multiple spindle assembly is big but its nowhere near the size of that housing
[00:55:46] <renesis> i think thats mostly to hang the curtain on
[00:58:07] <zeeshan> man these tensors are giving me a headache
[00:58:14] <zeeshan> visualizing them .. !
[00:58:26] <zeeshan> where is toastydeath
[00:58:27] <zeeshan> :P
[01:03:09] <XXCoder> heh
[01:06:27] <PetefromTn_> tensors?
[01:11:28] <MacGalempsy> anyone watching the Blood Moon Eclipse?
[01:11:36] <zeeshan> yes
[01:11:39] <PetefromTn_> is it happening now?
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[01:11:45] <MacGalempsy> yeah
[01:13:36] <XXCoder> still sunny here
[01:14:08] <zeeshan> PetefromTn_: basically this: http://solidmechanics.org/text/Chapter3_2/Chapter3_2.htm
[01:14:09] <zeeshan> :P
[01:14:18] <zeeshan> im using them for one problem set
[01:14:22] <zeeshan> i havent done this stuff in 2 years
[01:14:30] <zeeshan> coming back to bite me
[01:14:33] <XXCoder> https://www.timeanddate.com/eclipse/in/usa/seattle
[01:14:41] <jdh> too cloudy here
[01:15:03] <MacGalempsy> http://www.timeanddate.com/eclipse/in/usa/fort-smith
[01:15:13] <MacGalempsy> we get the full eclipse here
[01:15:48] <MacGalempsy> XXCoder: sorry to see its still below the horizon
[01:15:59] <PetefromTn_> baah its overcast here now
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[01:16:38] <zeeshan> MacGalempsy: thanks for reminding man!
[01:17:08] <MacGalempsy> no prob, we were talking about it in Google Hangout
[01:17:17] <PetefromTn_> can't see shit out there right now
[01:17:26] <XXCoder> PetefromTn_: heh I remember one day we had rare venus transit
[01:17:49] <XXCoder> it was overcast, buts JUUUST cleared up a little to be able to see it directly during transit
[01:17:55] <XXCoder> same for moon eclipse
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[01:19:27] <PetefromTn_> I think the ONLY eclipse I ever actually personally saw was way back when I was in grade school they had a solar eclipse and we watched it using paper cups with pinholes in them reflected on paper plates
[01:20:06] <Wolf_> man, finding info on this shit sucks, http://store.allamericansewing.net/eagle-special-sc800fl-sewing-machine-servo-motor-with-needle-positioner-800-watt-1-hp says bi directional from digital input and electronic speed input, no info on how any of that works lol
[01:20:36] <XXCoder> PetefromTn_: you can go to store buy emergacy silvered blankets
[01:20:41] <XXCoder> make a google with it
[01:20:43] <XXCoder> works great
[01:21:52] <Tom_itx> i've seen several
[01:22:33] <XXCoder> https://dl.dropboxusercontent.com/u/53432577/CIMG1189.JPG
[01:22:41] <XXCoder> https://dl.dropboxusercontent.com/u/53432577/CIMG1186.JPG
[01:23:16] <XXCoder> its though clouds so it looks very foggy. and extreme darkness with sucky camera (epic 4g)
[01:23:17] <PetefromTn_> I have TRIED to watch several but like tonight whenever something cool in the sky happens it is always overcast where I am
[01:23:37] <Tom_itx> i bet it's clear sky in FLorida !
[01:23:49] <XXCoder> other picture is of silvered googles
[01:23:50] <XXCoder> and cheap cardboard ones
[01:23:52] <PetefromTn_> OF COURSE~~
[01:23:56] <XXCoder> as you can see, its 2 sheets each
[01:24:11] <PetefromTn_> I would just probably grab my welding hemmet ;)
[01:24:27] <Tom_itx> yep, i just use welding glass
[01:24:58] <XXCoder> the googles was IR googles I converted over to sun googles then converted back after done
[01:25:14] <Tom_itx> goggles
[01:25:22] <Tom_itx> googles is a search engine
[01:26:11] <XXCoder> yeah yeah common mnistake for me lol
[01:26:31] <Tom_itx> i speak irc typo..
[01:26:50] <Tom_itx> speel it quite fluently too
[01:27:20] <XXCoder> :)
[01:27:36] <PetefromTn_> http://imgur.com/n87gKAI OMG!!
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[01:28:11] <XXCoder> .. is it dead?
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[01:28:33] <Wolf_> one of the Stark family is gonna be pissed
[01:28:33] <PetefromTn_> well yeah
[01:28:41] <XXCoder> sad.
[01:28:57] <PetefromTn_> I thought my husky was big until I saw that monster
[01:28:58] <zeeshan> thats a huge wolf
[01:28:59] <zeeshan> holy shit
[01:29:06] <PetefromTn_> LOL I Know right
[01:29:15] <zeeshan> that one deserves to get shot!
[01:29:19] <PetefromTn_> imagine that thing stalking you in the camping woods
[01:29:22] <zeeshan> yea
[01:29:27] <zeeshan> that'd kill a human no prob.
[01:29:31] <zeeshan> doesnt even need to be in a pact
[01:29:41] <PetefromTn_> shit regular dogs can kill a human
[01:29:58] <PetefromTn_> that thing would make short work of you
[01:30:00] <zeeshan> pitbulls
[01:30:01] <zeeshan> :(
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[01:37:31] <MacGalempsy> PetefromTn_: imagine all the ticks on that thing!
[01:37:41] <PetefromTn_> hehe
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[01:37:53] <PetefromTn_> that is one damn huge canine tho
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[01:49:25] <XXCoder> zeeshan: why do it DESERVE to get shot?
[01:49:45] <zeeshan> everything deserves to get shot
[01:50:05] <XXCoder> okay lemme get a gun and visit you for... lunch. yeah.
[01:50:11] <zeeshan> come
[01:50:25] <zeeshan> ill machine you into a vaporizer
[01:50:35] <XXCoder> honestly it is predators that encourage diversity in ecosystem
[01:50:46] <zeeshan> XXCoder: are you an expert at biology
[01:51:14] <XXCoder> I read recent research on washington state re-introduction of wolves.
[01:51:18] <XXCoder> wow so big changes
[01:51:42] <XXCoder> odd effects is rivers are better since theres less deers eating plants and encouraging erosion.
[01:52:17] <XXCoder> many amny other stuff. deer eat a LOT and other species have hard time getting something to eat. feel free to hunt deer when its in season and such
[01:53:04] <zeeshan> you read a paper
[01:53:05] <zeeshan> and youre an expert
[01:53:07] <zeeshan> :P
[01:54:01] <PetefromTn_> I have no problem with responsible legal hunting whatsoever
[01:54:03] <Wolf_> too many deer here, import wolves IMO
[01:54:15] <zeeshan> PetefromTn_: people don't even fucking know how the burger they're eating
[01:54:16] <zeeshan> is made
[01:54:21] <PetefromTn_> my grandfather was a big hunter
[01:54:28] <zeeshan> and they get all whiny
[01:54:32] <zeeshan> when they see something like the picture you showed
[01:54:42] <PetefromTn_> I still have the .308 he used to kill everything from deer to bear to you name it....
[01:54:44] <zeeshan> so im used to hearing comments like that
[01:55:05] <zeeshan> most people also don't understand how tags work
[01:55:05] <zeeshan> :P
[01:55:21] <PetefromTn_> I went with him when I was just a little kid to hunt deer in upstate new york
[01:55:27] <zeeshan> thats cool
[01:55:33] <PetefromTn_> all I remember was good times with him and freezing my ass off
[01:55:43] <zeeshan> i've never killed anything myself yet
[01:55:53] <PetefromTn_> seemed I was not a good luck charm for hunting with him LOL
[01:55:54] <zeeshan> but i have been with others doing it
[01:56:03] <PetefromTn_> everytime I went he did not get anything
[01:56:08] <zeeshan> haha
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[01:56:15] <zeeshan> PetefromTn_: i was reading through the hunting manual
[01:56:22] <zeeshan> you can't hunt deer when they're in the water!
[01:56:25] <zeeshan> hunting
[01:56:37] <zeeshan> infact some guy got charged for killing a deer while it was bathing
[01:56:54] <zeeshan> i like how there are rules to give the animal a fair chance
[01:57:06] <PetefromTn_> I think I'd be scared shitless to hunt anything in Canada with huge freaking Grizzly bears all over the place
[01:57:11] <zeeshan> haha
[01:57:22] <zeeshan> dude i was in new foundland visiting my dad
[01:57:25] <PetefromTn_> and wolves like in that picture
[01:57:27] <zeeshan> we decided to go for a hike...
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[01:57:39] <zeeshan> me and my friends came across a salmon lake.
[01:57:52] <zeeshan> there were tons of salmon just breeding and doing whatever
[01:57:57] <zeeshan> and we heard a grunt
[01:58:04] <zeeshan> further away in the woods
[01:58:15] <zeeshan> never found out what it was, but that scares the shit out of me
[01:58:17] <zeeshan> it sounded like a bear
[01:58:24] <zeeshan> we also saw claw marks on trees
[01:58:26] <PetefromTn_> I am sure it probably WAS a bear
[01:58:45] <zeeshan> https://upload.wikimedia.org/wikipedia/commons/0/09/Grizzly_claw_marks_on_a_tree_near_a_hair_snag_station_(Northern_Divide_Grizzly_Bear_Project)_(4428160760).jpg
[01:58:51] <zeeshan> we saw marks like that ocassionally on trees
[01:58:54] <PetefromTn_> he was probably thinking I bet that dude tastes like chicken!!
[01:58:58] <zeeshan> hahaha
[01:59:06] <zeeshan> or maybe he was pissed that i was looking at his salmon
[01:59:12] <PetefromTn_> or both
[01:59:17] <PetefromTn_> hehehe
[01:59:50] <zeeshan> how come you havent gone hunting yourself?
[02:00:01] <PetefromTn_> I can't imagine living and fishing where apex predators like that roam all around
[02:00:05] <PetefromTn_> Oh I have
[02:00:09] <XXCoder> zeeshan: I never claimed I was a expert
[02:00:17] <PetefromTn_> used to hunt squirrels with friends around here
[02:00:22] <PetefromTn_> dove
[02:00:23] <zeeshan> XXCoder: but what you're talking about really needs an experts opinion
[02:00:28] <PetefromTn_> mostly with airguns
[02:00:37] <zeeshan> even those guys have a hard tim explaining things.
[02:00:38] <XXCoder> zeeshan: well thats what I read
[02:00:45] <zeeshan> so it's not as cut clear as you're describing
[02:00:56] <PetefromTn_> I would REALLY like to hunt a bigass wild turkey with a precision airgun
[02:01:06] <PetefromTn_> but it is illegal in our state so far
[02:01:22] <zeeshan> you cant hunt turkey?1
[02:01:34] <PetefromTn_> no you can just not with an airgun
[02:01:44] <XXCoder> zeeshan: actually research was VERY clear
[02:01:48] <PetefromTn_> there are some states where that is legal with certain calibers of airguns
[02:02:07] <XXCoder> vareity of life in region rose suddenly and much more vareity
[02:02:14] <XXCoder> and rivers improved in quality
[02:03:07] <PetefromTn_> Oh I had a DELICIOUS burger today at a local Bar/Grill
[02:03:18] <PetefromTn_> it was called a voodoo burger
[02:04:50] <PetefromTn_> cajun spices and some sort of creamy cheese that I cannot recall the name of
[02:04:55] <PetefromTn_> started with a B
[02:05:02] <PetefromTn_> brougel or something like that
[02:05:09] <PetefromTn_> DAMN was it good
[02:06:22] <zeeshan> XXCoder: cool story
[02:06:29] <XXCoder> "story"
[02:06:35] <zeeshan> 1 ecosystem
[02:06:37] <zeeshan> must be the same as the other !
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[02:07:55] <zeeshan> XXCoder: i am just in an argumentative mood :P
[02:07:58] <zeeshan> sorry
[02:08:12] <XXCoder> np
[02:08:27] <XXCoder> it's just that most ecosystems DO need predators
[02:08:38] <zeeshan> logic says you need a balance
[02:08:40] <zeeshan> don't overhunt
[02:08:44] <zeeshan> don't overpopulate
[02:09:07] <XXCoder> exactly, and hunting predators is not good. better hunt animals currently overpopulating area
[02:09:10] <zeeshan> every species has a purpose
[02:09:11] <XXCoder> as deer or elk tend to.
[02:09:13] <zeeshan> except prolly humans :p
[02:09:22] <zeeshan> actually we got a purpose too
[02:09:28] <zeeshan> how to screw everything :)
[02:09:34] <XXCoder> nah purpose is where we have to come up with. we don't automically get one.
[02:09:49] <zeeshan> hunting predators is perfectly fine
[02:09:52] <zeeshan> when they're eating your people
[02:09:58] <zeeshan> without the massive wolf hunts of the 1800s
[02:10:10] <zeeshan> you and me had a high chance of dieing just walking .
[02:10:42] <SpeedEvil> I am reminded of the australian governments recent action against shark attacks (which are basically not a threat)
[02:10:43] <XXCoder> yeah then deers and elks broke ecosystem
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[02:10:47] <XXCoder> we should have left some
[02:11:00] <SpeedEvil> http://www.independent.co.uk/arts-entertainment/photography/selfies-are-killing-more-people-than-shark-attacks-10512449.html
[02:11:13] <XXCoder> SpeedEvil: yeah laughed when I read that
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[02:12:57] <PetefromTn_> hey cool I can see the damn blood moon!!
[02:13:06] <XXCoder> lemme see
[02:13:57] <PetefromTn_> how?
[02:14:06] <justanotheruser> PetefromTn_: take a picture and link it
[02:14:11] <justanotheruser> I'm afraid to go outside
[02:14:15] <PetefromTn_> I have been trying to
[02:14:29] <PetefromTn_> but my cellphone is only so so and my digital camera is on the fritz
[02:14:31] <PetefromTn_> ;)
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[02:15:40] <justanotheruser> https://www.youtube.com/watch?v=5WISO0LLR_A
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[02:19:11] <XXCoder> aww
[02:19:20] <XXCoder> still below horzon
[02:23:32] <PetefromTn_> well I just went back outside trying to get a picture
[02:24:09] <PetefromTn_> the clouds have come back in a bit and it seems like the eclipse is in full effect so it is quite dark looking
[02:26:08] <Tom_itx> too light here to get anything that resembles a picture
[02:27:50] <PetefromTn_> http://imgur.com/XgIdX0m
[02:27:51] <[cube]> http://imgur.com/a/DX1lK
[02:28:07] <[cube]> any idea what that system might be worth?
[02:28:34] <[cube]> small panel, probably around 250w, inverter
[02:28:47] <[cube]> battery is likely shot
[02:29:03] <[cube]> its all around 10yrs old i beleive
[02:29:18] <XXCoder> not too much now
[02:29:25] <XXCoder> not sure exact number though
[02:29:43] <[cube]> guy wants $75 for it
[02:29:56] <zeeshan> for those of you
[02:29:58] <zeeshan> with cloud cover
[02:29:58] <zeeshan> http://www.timeanddate.com/eclipse/in/canada/hamilton
[02:30:01] <zeeshan> :D
[02:30:05] <zeeshan> find your own city
[02:30:12] <[cube]> sup zeeshan
[02:30:15] <zeeshan> hi cube
[02:30:16] <zeeshan> :P
[02:30:18] <[cube]> that link is broke!
[02:30:27] <zeeshan> ;[
[02:31:55] <[cube]> there it goes
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[02:33:03] <XXCoder> https://www.timeanddate.com/eclipse/in/usa/tacoma
[02:33:55] <zeeshan> yay
[02:34:00] <zeeshan> clear sky now!!!!1
[02:34:06] <zeeshan> i can see the orangey moon
[02:34:55] <XXCoder> maybe will see later stages but probably not full moon
[02:36:43] <PetefromTn_> just went back out there....cant see shit now
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[02:40:52] <zeeshan> pete have you tried drag knife engraving?
[02:42:12] <PetefromTn_> nope don't have a drag knife
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[04:13:23] <Contract_Pilot> Almost had a byte on a Mesa card but found out there were 7I77 not 76's
[04:14:29] <Wolf_> so, 7x lathe/X2 spindle, taper bearings?
[04:14:46] <Contract_Pilot> Darn it would have lonve to get rid of these. http://www.stevenrhine.com/wp-content/uploads/2015/09/AFCO-300x169.jpg
[04:15:31] <Contract_Pilot> I think they are Roller Taper in the X2 they may just be general purpose also;.
[04:15:47] <Contract_Pilot> My friend put in AC bearing's in his.
[04:16:07] <Contract_Pilot> 3phase AC servo for spindle 6,000 RPM hahaha
[04:16:53] <Wolf_> yeah, I’m looking at brushless 1hp sewing machine servo motor for the x2 head, working out my parts list
[04:18:09] <Wolf_> least if that idea doesn’t pan out for cnc spindle control I can shove the motor setup on the C2 lathe lol
[04:22:57] <Wolf_> I’m going to be building the head from parts so I get to pick whatever bearings I want :)
[04:26:48] <MacGalempsy> anyone familiar with how to tell which writer is setting a signal?
[04:27:10] <MacGalempsy> im trying to enable the spindle through HALCMD, but it isnt working
[04:30:43] <Wolf_> use the autoconfig to make a test setup and assign the pin right?
[04:31:49] <Wolf_> then use the test setup to figure out what needs to be changed in the current config, least thats how I have been doing stuff
[04:41:58] <MacGalempsy> anyone know what controls motion.spindle-on?
[04:42:25] <XXCoder> awesome
[04:42:26] <Wolf_> spindle enable?
[04:42:32] <XXCoder> managed to see moon fully eclipsed.
[04:42:40] <MacGalempsy> I try to setp motion.spindle-on and it says it already has writers. does anyone know if the machine has to be homed to get spindle-enable = true?
[04:42:45] <pcw_home> man motion
[04:43:25] <MacGalempsy> ?
[04:43:41] <pcw_home> the motion manual page
[04:44:11] <MacGalempsy> ok
[04:44:34] <pcw_home> motion.spindle-on is the _output_ pin from motion thats designed to control the spindle
[04:45:02] <pcw_home> you cannot setp it since its an output
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[04:48:37] <pcw_home> pncconf has 2 spindle related bugs:
[04:48:39] <pcw_home> http://sourceforge.net/p/emc/bugs/433/
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[04:50:22] <sector_0> what do you guys think of a machine like this...
[04:50:22] <sector_0> http://www.ebay.com/itm/CNC-Metal-Motorized-Mini-Milling-Machine-DIY-Woodworking-Power-Tools-Machinery-/281436614830?hash=item4186edf0ae
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[04:51:04] <Wolf_> lol toy?
[04:51:58] <sector_0> I'm looking for something small and not too expensive
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[04:52:38] <sector_0> but the other things that I'm finding are >USD$500
[04:52:43] <XXCoder> sector_0: be sure its workspace is large enough for you
[04:52:49] <XXCoder> that looks... tiny.
[04:53:05] <sector_0> XXCoder, workspace is about 90mmX90mm
[04:53:19] <XXCoder> 3.5 inch approx
[04:53:30] <sector_0> which isn't too bad for me at this point
[04:54:35] <sector_0> I'm more worried about rigidity issues
[04:55:01] <sector_0> you guys might have more experience with machine than I have
[04:55:26] <sector_0> how rigid does it look/
[04:55:27] <sector_0> ?
[04:55:49] <XXCoder> no idea, not much experence too
[04:56:43] <Wolf_> I would rather buy a bunch of taig parts and build something before getting that thing
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[04:57:59] <sector_0> Wolf_, taig?
[04:58:44] <Wolf_> http://www.taigtools.com/mmill.html
[04:59:21] <Contract_Pilot> www.ebay.com/itm/401000660423
[05:00:20] <Wolf_> http://www.cartertools.com/catalog.html you can get much of it in parts
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[05:00:57] <Contract_Pilot> http://www.stevenrhine.com/wp-content/uploads/2015/09/Lightmachines-Lathe-Mill-.jpg
[05:01:43] <Wolf_> heh, that turning center looks like a fun project
[05:01:54] <Contract_Pilot> Both will be.
[05:02:28] <Contract_Pilot> Mill cleaned up well. http://www.stevenrhine.com/wp-content/uploads/2015/09/Spectralight-LightMachines-Sherline-New-Steppers1.jpg
[05:02:51] <Wolf_> nice
[05:03:10] <Contract_Pilot> I may off the turn center not sure
[05:03:16] <MacGalempsy> pcw_home: right now I am using output-8 to send the 24v to enable the spindle. is it beter to use the SPINENA?
[05:03:41] <Contract_Pilot> I am in to bartering.
[05:04:18] <Contract_Pilot> Love trading some times i score some times the other's score but as long as both walk away happy thats all that matters
[05:07:14] <diginet> does anyone here have any experience with LVDTs?
[05:08:31] <Contract_Pilot> Trying to figure out what all i will need extra for LCNC
[05:09:18] <Contract_Pilot> May order a cheap china bob off ebay use a PS Some drivers and see if I can make a small box for the small mill.
[05:12:58] <diginet> specifically, is it something you could realistically make yourself?
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[05:19:21] <Contract_Pilot> hahah soom goof offerd 60.00 for my control arms that wouold barly cover the shipping.
[05:21:28] <Contract_Pilot> http://i.ebayimg.com/00/s/Njg4WDEwMjQ=/z/locAAOSwd0BV48Dr/$_57.JPG
[05:21:49] <Contract_Pilot> Wonder what they db 25 is for the spectralite
[05:22:31] <Wolf_> software dongle
[05:23:10] <Contract_Pilot> Wonder is it allows the LPT to work with the Spectraligh Controller
[05:23:26] <Jymmm> FUCK DONGLES, period.
[05:23:31] <Contract_Pilot> I played for hours to try and get it to work on LPT no luck
[05:23:44] <Wolf_> probably for the cam soft guessing by the name
[05:23:53] <Contract_Pilot> http://www.ebay.com/itm/USED-LIGHT-MACHINES-CNC-LATHE-SPECTRALIGHT-TURNING-CENTER-MACHINE-/331656300520?hash=item4d384187e8
[05:24:22] <XXCoder> thats interesting machinbe
[05:24:59] <XXCoder> http://www.ebay.com/itm/Big-High-Power-Mini-Metal-Lathe-Soft-Metalworking-Woodworking-DIY-Model-Making/252061878808?_trksid=p2047675.c100009.m1982&_trkparms=aid%3D777000%26algo%3DABA.MBE%26ao%3D1%26asc%3D20131227121020%26meid%3Dcfd1aac42ec14e0a83bf0cbf05010772%26pid%3D100009%26rk%3D1%26rkt%3D1%26sd%3D331656300520
[05:25:01] <XXCoder> not bad
[05:26:04] <XXCoder> not too bad http://www.ebay.com/itm/Metal-Mini-Turning-Lathe-Machine-Motorized-Metalworking-DIY-Wood-Tool-Universal/261425835602 enough for tiny jobs lol
[05:27:37] <Contract_Pilot> I have the pair and the original controller but was un sucessfull at getting motor movement
[05:27:47] <Contract_Pilot> Was able to get them to enable.
[05:29:11] <Contract_Pilot> Some peole have had sucess making it work but will not release entire wiring.
[05:30:31] <Contract_Pilot> I listed the controller on ebay just because i done tripped over it 2 times now. http://www.ebay.com/itm/181885662393
[05:32:29] <XXCoder> wow http://www.ebay.com/itm/US-Ship-4-1-Planetary-Gearbox-Nema-23-Stepper-Motor-DIY-CNC-Mill-Lathe-Router-/331603050674?hash=item4d351500b2
[05:32:40] <XXCoder> 4.25 ratio
[05:33:08] <XXCoder> backlash sucks though at less than 1.5degree
[05:33:37] <Contract_Pilot> http://www.stevenrhine.com/wp-content/uploads/2015/09/Lightmachines-Lathe-Mill-.jpg
[05:34:23] <XXCoder> working on it to make it work
[05:34:25] <XXCoder> or selling?
[05:37:19] <Contract_Pilot> I will prob just make my own controller
[05:37:44] <Contract_Pilot> I have a bunch of Drivers and already replaced the steppers on the mill.
[05:38:02] <XXCoder> nice
[05:38:21] <Contract_Pilot> the controller unless i can find the info to make it work from LPT it stays on E-bay.
[05:38:49] <Contract_Pilot> http://www.stevenrhine.com/wp-content/uploads/2014/11/DM8010-Drivers.jpg
[05:39:03] <Contract_Pilot> 24-80V 10A Drivers
[05:39:26] <Contract_Pilot> Have 9 of them total and 2 are in use on my 12X36 lathe
[05:39:39] <Contract_Pilot> 3 will be used for MY G0704 Mill.
[05:40:03] <Contract_Pilot> Possibly 4 for the G0704 as i may add a 4th axis
[05:42:25] <XXCoder> cool :)
[05:42:36] <XXCoder> one of fun stuff I plan to play with is adding 4th axis
[05:42:52] <XXCoder> but basic way - direct connect to nema23
[05:43:08] <XXCoder> just turn around and stuff while parts being cut
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[05:54:16] <Wolf_> well thats funny...
[05:54:52] <Wolf_> http://littlemachineshop.com/products/product_view.php?ProductID=1944&category=-269978449 costs less then just the housing + spindle ...
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[06:02:59] <Contract_Pilot> Yep. some times
[06:07:24] <archivist> a mere 13lb
[06:16:36] <Contract_Pilot> Did find this page not sure if i want to make the board. http://projects.omahamakergroup.org/index.php?title=MakeryMill
[06:20:41] <archivist> er what, that page mentions grbl, a downgrade!
[06:22:51] <archivist> I would just just use something like http://www.ebay.co.uk/itm/390836898186 to update and use the normal parallel port
[06:24:12] <Contract_Pilot> That is what i was thinking...
[06:24:30] <Contract_Pilot> I have the Power supply 80V 5A and the Drivers
[06:25:15] <Contract_Pilot> Wonder if the PMW on that baord works
[06:25:32] <archivist> that particular variation seems to work well with random drivers unlike some BOBs out there
[06:26:50] <archivist> it works on mine, I added some isolation to it
[06:28:50] <archivist> I added an isolated 12 power supply so the pwm to the VFD would be ok
[06:29:24] <Contract_Pilot> http://www.ebay.com/itm/251307135179
[06:29:37] <Contract_Pilot> Not sure if it would work to make somthing compact.
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[06:30:34] <Contract_Pilot> that way i dont have to give up my valuble drivers for these small machines
[06:32:03] <archivist> I love how the wiring diagram misses out the spindle
[06:33:29] <Contract_Pilot> I wonder if they actually use Nichicon VZ caps prob the generic JWCO
[06:34:11] <archivist> some TB series chips die easily, not as robust
[06:34:21] <Contract_Pilot> small steppers
[06:34:35] <Contract_Pilot> Small machines
[06:35:17] <Contract_Pilot> I could prob stuff a PS and a Board in each of the machine cases
[06:35:22] <archivist> its idiots disconnecting motors while switched on that is a common chip killer
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[06:36:41] <Contract_Pilot> Amazon had them on for 29.99 the other day should have got one and tried it.
[06:45:42] <Contract_Pilot> or Could try this.. http://cnc4pc.com/product_info.php/c26-output-buffer-board-p-203
[06:46:08] <Contract_Pilot> Right now do not want to invest a lot in to the little machines weather is to nice.
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[06:47:41] <Deejay> moin
[06:47:51] <Contract_Pilot> hey DeeJay
[06:47:59] <Deejay> hi there
[06:48:32] <Contract_Pilot> Still debating if i should play more with the spectralight controller
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[07:03:17] <archivist> Contract_Pilot, some of the bobs do not drive the optos correctly
[07:03:57] <Contract_Pilot> Yea, what i am reading on the spectralight is LPT must be rock solid 5V
[07:04:22] <Contract_Pilot> They have a diagram for a buffer but if they are 20.00 why not
[07:04:31] <archivist> the one I pointed at has buffer chips
[07:04:51] <Contract_Pilot> Some one said to add 5V to the Opto and then set them active low
[07:05:25] <Contract_Pilot> But never produced a schem or diagram
[07:05:48] <archivist> some of my drivers are high ans some low, that driver works with both on my 5 axis
[07:06:26] <Contract_Pilot> not like i could not figure it out but i do not want to spend the time. http://www.stevenrhine.com/wp-content/uploads/2015/07/Ham-And-PCB-Rework-Bench.jpg
[07:06:54] <Contract_Pilot> Not working with a standard bob here.
[07:07:36] <archivist> I used to throw a ULN200x or some TTL on veroboard at the job
[07:08:22] <archivist> upper left hiding http://www.collection.archivist.info/archive/DJCPD/PD/2008/2008_02_03_cnc/P2030019.JPG
[07:08:27] <Contract_Pilot> to boost the parallel port drive current up enough to drive the controller
[07:09:10] <Contract_Pilot> http://projects.omahamakergroup.org/index.php?title=MakeryMill#J1_.27Computer.27_DB-25_Pinout
[07:09:25] <archivist> that bodge has since been replaced with that cheap BOB
[07:11:50] <Contract_Pilot> http://www.cnczone.com/forums/benchtop-machines/112153-engineering-software.html
[07:42:42] <MacGalempsy> Contract_Pilot what kind of machine are you converting
[07:43:26] <Contract_Pilot> I have 4 right now
[07:43:40] <MacGalempsy> any of them done?
[07:43:56] <Contract_Pilot> 12X36 Lathe G0704 Mill and the 2 small Sherlines
[07:44:13] <Contract_Pilot> the 12X36 is up on mach3 but moving to LCNC
[07:44:23] <MacGalempsy> cool
[07:44:40] <Contract_Pilot> Collecting parts for the G0704
[07:45:14] <Contract_Pilot> The table top machines just need to make a controller http://www.stevenrhine.com/wp-content/uploads/2015/09/Lightmachines-Lathe-Mill-.jpg
[07:46:11] <Contract_Pilot> http://www.stevenrhine.com/?p=1181
[07:46:44] <MacGalempsy> nice we have one of those mills in our CNC class. I have the biggest brother of it
[07:56:37] <trentster> anyone know why UI still says "home all" even tho I have homing stuff commented out for Z axis in ini file
[07:56:37] <trentster> I have prox sensors on X and Y with sequence Y=0 then X=1 but UI still is waiting for Z to autohome?
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[08:01:55] <trentster> This is what my current ini file looks like yet it still wants to home all - https://gist.github.com/trentster/8546af7059bb92677b58
[08:02:09] <trentster> Any ideas or you think I have found a bug?
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[08:02:16] <XXCoder> trentster: someone said something about Z being in file or something
[08:02:29] <XXCoder> think it was archivist
[08:02:46] <trentster> yeah but its commented out if you look at the gist
[08:03:37] <XXCoder> in other fie
[08:03:38] <XXCoder> file
[08:04:14] <trentster> which other file the "hal" file?
[08:04:36] <XXCoder> no idea
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[08:16:37] <archivist> http://linuxcnc.org/docs/html/config/ini_homing.html
[08:20:24] <trentster> archivist: i have read that page it does not answer my question - or i missinterpreted something
[08:20:47] <trentster> archivist did you look at my config file?
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[08:21:28] <MacGalempsy> dang, I got this talk on the 4th or 5th and just now getting the ppt together....
[08:22:31] <archivist> trentster, yes, the doc says set the sequence to -1 or nothing so try the other
[08:23:39] <trentster> archivist: so even if all homing for an axis is commented out - I still ned to set a sequence - thats a bit odd
[08:24:05] <archivist> I dont know, experiment
[08:25:05] <trentster> yup will do when I am in fron of the machine - thanks for the tip
[08:26:20] <fenn> MacGalempsy: industry standard practice is make the ppt the night before in the hotel room
[08:27:09] <MacGalempsy> heheh,
[08:27:23] <fenn> powerpoint is terrible anyway and should be banned - it caused the columbia disaster after all
[08:27:52] <MacGalempsy> there is some analysis involved. I got all the data from the oil and gas commission, but the surveys have to be entered by hand before I can analyze
[08:28:33] <fenn> are you an underwater welder or something?
[08:31:28] <MacGalempsy> no, geologist
[08:31:44] <MacGalempsy> i do modelling along the lateral of a horizontal well
[08:32:04] <MacGalempsy> so the talk is supposed to be about caviates of interpretation
[08:32:16] <MacGalempsy> using examples....
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[09:35:07] <Contract_Pilot> I want to play so i orderd one of them Upgraded 5 Axis CNC Breakout Board
[09:36:23] <XXCoder> nice
[09:37:24] <Contract_Pilot> Hope it acutally ships form USA
[09:37:35] <Contract_Pilot> was about 10.00 others from china 6.00
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[09:39:47] <Contract_Pilot> I will cobble somthing togather and handy to have is i want to play with somthing
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[09:54:01] <archivist> another two users also have used that BOB and been happy
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[09:54:25] <archivist> or three
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[10:11:25] <Contract_Pilot> I have this little 5v 6A supply put that use use.
[10:12:32] <Contract_Pilot> Caps popped on it replaced them and it was way more stable
[10:14:02] <Contract_Pilot> 2200 16V replaced with low esr 2200 25V
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[10:37:49] <Contract_Pilot> MIC2954-03BS
[10:39:22] <Contract_Pilot> uhhh running low about 140 left.
[10:39:36] <Contract_Pilot> Need a new reel.
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[10:43:30] <Contract_Pilot> http://airplanemanuals.com/PCB/DM8010/Microkinetics%20DM8010%20Driver%20Repair%20Parts%20Small.jpg
[10:45:38] <Tom_itx> what's that?
[10:49:28] <Jymmm> Tom_itx: http://www.microkinetics.com/index.php?page=motor_drivers/dm8010
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[10:52:11] <Jymmm> $298 for a single axis stepper driver?! YEOW
[10:52:33] <Sync> why not
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[10:53:41] <Jymmm> Sync: Insert YOUR credit card here --> [ ]
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[11:05:32] <Contract_Pilot> Yea, i have 9 of them
[11:05:54] <Contract_Pilot> and have fixed about 20 of them for others.
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[11:07:19] <Contract_Pilot> they charge 150-175 to repair them hahaha... I list on e-bay and fic for 75.00
[11:10:12] <Contract_Pilot> Pop the s4010ls2 and it takes out the TL783C Regulator and some times the MIC2954-03BS... The fets generally fail in pairs IRF540 and IRF9540 that generally gives a fault.
[11:11:08] <Contract_Pilot> Current and Idle Current Resistor is a Must and is operating at 5A+ Heatsink and Forced Cooling a Must
[11:16:36] <Tom_itx> those seem rather HUGE
[11:19:17] <Contract_Pilot> http://www.applied-motion.com/products/stepper-drives/7080
[11:21:48] <Contract_Pilot> s4008ls2 SCR on them i got to fix one.
[11:21:53] <Jymmm> http://www.geckodrive.com/geckodrive-step-motor-drives/g213v.html
[11:23:13] <Contract_Pilot> 10A on the DM8010's
[11:23:40] <Contract_Pilot> I myself would not want to push then to 10A
[11:24:20] <Jymmm> Says 7A http://www.applied-motion.com/products/stepper-drives/7080
[11:24:22] <Contract_Pilot> I do need to go to the junk store and find some heat sinks
[11:25:00] <Contract_Pilot> Yea, the 9 I have are 10A http://www.microkinetics.com/index.php?page=motor_drivers/dm8010
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[11:26:08] <Contract_Pilot> 2 are in use on my 1236 lathe
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[11:28:56] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/cnc/psu/heatsink_bulk.jpg
[11:29:05] <Tom_itx> Contract_Pilot, slice off a piece of that
[11:29:32] <Jymmm> Tom_itx: You call that a heatsink?! Eeeeesh
[11:30:05] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/cnc/psu/driver_wiring.jpg
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[11:31:20] <Contract_Pilot> Love to find a chunk of that
[11:31:34] <Tom_itx> scrap yard for alum price
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[11:31:53] <Jymmm> Tom_itx: (Ok, the joke don't work when you cna't find the pic of the 5" tall heatsink I used to have)
[11:31:54] <Contract_Pilot> I go to junk store and find a Stereo Receiver with massive heatsink = good and costs 1-2.00
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[11:32:21] <Tom_itx> Jymmm, that was ~6-8" x 6'
[11:32:36] <Contract_Pilot> 6' dam
[11:33:03] <Jymmm> Tom_itx: TALL, not wide. And this was cutoff from a 4ft piece
[11:33:12] <Jymmm> it was 6" wide as well
[11:33:32] <Contract_Pilot> You using ms or tefzel wire?
[11:34:13] <Tom_itx> also surplus aircraft wire
[11:34:16] <Tom_itx> not sure
[11:34:23] <Contract_Pilot> Yep aircraft wire
[11:34:35] <Contract_Pilot> White teflon wire
[11:35:03] <Contract_Pilot> I may have my avionics shop pull a few chunks thru the labler
[11:35:55] <Tom_itx> nice fine strand plated wire
[11:36:01] <Contract_Pilot> Yep.
[11:36:18] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/cnc/psu/wire.jpg
[11:36:19] <Contract_Pilot> Use it all the time in my HF aircraft installs
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[11:51:17] <MacGalempsy> well guys my shift is over... got some done on the presentation, but also realized I need one or two more examples!
[11:51:28] <MacGalempsy> have good days
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[12:43:55] <ganzuul> Aluminium is cheap! \o/
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[12:55:55] <fenn> you're at the source
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[12:57:35] <ganzuul> ?
[12:58:34] <fenn> nevermind i thought aluminum was smelted in finland
[12:59:10] <ganzuul> oh
[12:59:41] <ganzuul> We have the Free World's (TM) only chromium mine.
[13:02:05] <fenn> https://en.wikipedia.org/wiki/List_of_countries_by_aluminium_production
[13:03:27] <ganzuul> France is shining in its absence.
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[13:04:05] <fenn> le creuset kicked them all out
[13:04:21] <ganzuul> wassat?
[13:04:28] <fenn> a cast iron cookware company
[13:04:50] <fenn> just kidding, i have no idea why france isn't making aluminum
[13:05:36] <norias> maybe due to energy requirements
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[13:06:47] <ganzuul> France has a lot of nuclear energy and low electricity prices.
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[13:09:01] <fenn> local scrap yard wants $2.75/lb for aluminum bars, which while better than buying new, seems like a lot to me, considering i've bought it in the past at $1/lb
[13:11:53] <fenn> 5.4 EUR/kg vs 2 EUR/kg
[13:12:33] <fenn> i guess it's possible the market price has gone up that much since 2008
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[13:19:51] <ganzuul> I don't think I paid more than 3e/kg for the alu.
[13:20:48] <fenn> "... the age of electricity and of copper will be short. At the intense rate of production that must come, the copper supply of the world will last hardly a score of years. ... Our civilization based on electrical power will dwindle and die."
[13:21:06] <fenn> - noted geologist and copper-mining expert Ira Joralemon, 1924
[13:21:49] <cradek> be aware: from that, we can conclude that our supply of oil is infinite
[13:22:05] <cradek> because haha experts!
[13:22:06] <cradek> :-)
[13:22:11] <skunkworks> well - we havent run out yet! ;)
[13:22:29] <fenn> sure we can just make more using nuclear reactors
[13:24:53] <fenn> i wonder how many deep sea ecologies will get hoovered up in the upcoming sea floor mining rush
[13:26:32] <skunkworks> http://www.npr.org/sections/thetwo-way/2015/09/28/444115947/shell-oil-abandons-controversial-drilling-off-alaska-s-shore
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[13:32:01] <skunkworks> that's pretty cool
[13:32:02] <skunkworks> https://www.youtube.com/watch?v=WizzhG2JrjQ
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[14:08:56] <ganzuul> fenn: The law of the sea is the oldest international law there is, dating from, like, the 17th century. Might take another 100 years before the regulatory inertia is overcome for deep sea mining.
[14:09:52] <ganzuul> Hopefully we'll learn a lot more about the abyssal plains in the process though.
[14:10:59] <ganzuul> Also maybe get other commercial interests to interfere with overfishing.
[14:11:48] <ganzuul> Like getting an alternative source of revenue for small fisheries who are basically just pirates.
[14:13:50] <ganzuul> A submersible robot like the one SV seeker is building could be useful for that.
[14:15:41] <MattyMatt> something bigger and autonomous would be more handy
[14:16:01] <ganzuul> Might end up being a gold rush.
[14:16:15] <MattyMatt> there must be some good deposits in valleys
[14:16:29] <ganzuul> Maybe...
[14:16:49] <MattyMatt> so you need something that can go and taste the mud
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[14:17:38] <ganzuul> They'r just sitting on the sea floor. Like bog iron.
[14:19:57] <ganzuul> Germany has an accessible claim of abour 230 million tons
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[14:20:35] <MattyMatt> a soda can is ~15g. I've got a kg or two
[14:21:19] <ganzuul> http://www.geozentrum-hannover.de/EN/Themen/MarineRohstoffforschung/Projekte/Mineralische-Rohstoffe/Laufend/manganknollen-exploration_en.html
[14:21:41] <ssi> morn
[14:23:40] <ganzuul> "This corresponds to a current market value of 260-330 billion euros. "
[14:23:45] <ganzuul> - https://translate.google.com/translate?sl=auto&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fwww.geozentrum-hannover.de%2FDE%2FGemeinsames%2FNachrichten%2FVeranstaltungen%2F2011%2FVortragsreihe_Berlin_2011%2F2011-02-23_abstract.html&edit-text=&act=url
[14:23:51] <ganzuul> o/
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[14:25:16] <MattyMatt> cheaper copper will be nice
[14:26:05] <MattyMatt> I've ordered a qctp from china. suspiciously cheap
[14:26:37] <MattyMatt> http://www.ebay.co.uk/itm/Mini-Quick-Change-Tool-Post-Holder-Kit-Set-for-7-x10-12-14-Lathe-Tool-Holder/381406105635
[14:29:08] <fenn> what's with the sandblasting
[14:30:26] <ganzuul> MattyMatt: Looks like an appropriate price for a piston-type if you ask me...
[14:30:28] <MattyMatt> low rent beburring?
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[14:34:33] <MattyMatt> the same toolholders will work if I make a tapered dovetail post in the future. This set will get me started
[14:35:34] <MattyMatt> I just gotta make a custom bolt with a whitworth thread, and a handle on top
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[14:37:30] <Contract_Pilot> 2000 steps/rev used with a 5 pitch lead screw, you get .0001
[14:37:30] <Contract_Pilot> inches/step right?
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[14:39:11] <ssi> yeah
[14:39:13] <archivist> easy too work backwards .2 "=2000 counts, .1 is 1000 so near enough
[14:41:05] <archivist> but be aware if you are using microsteps they wont all be exactly that size
[14:41:59] <archivist> some light reading http://www.micromo.com/microstepping-myths-and-realities
[14:43:56] <ssi> yeah never assume that microstepping is going to give you increased precision
[14:44:21] <archivist> I was using 8 microsteps when testing the hobbing setup, the error was easily visible
[14:44:37] <archivist> and very audible
[14:45:12] <Contract_Pilot> Ok, booked marked for reading
[14:45:41] <archivist> Contract_Pilot, please replicate this when you try it :) http://www.archivist.info/cnc/screw_error/
[14:45:54] <ssi> I got some work done on the pitts this weekend
[14:45:55] <ssi> https://scontent-atl3-1.xx.fbcdn.net/hphotos-xpf1/v/t1.0-9/12043024_10100786356532712_3563634788597680477_n.jpg?oh=524381c5fd8756fff50a65ad2ebfe70e&oe=56A97CD0
[14:46:19] <archivist> what! not working on the filing machine :)
[14:46:23] <ssi> no :/
[14:46:43] <archivist> I was dragging the CMM undercover
[14:46:43] <Contract_Pilot> Cool
[14:47:04] <ssi> dig into it at all?
[14:47:35] <archivist> I got the air connected yesterday and pushed the axes around a bit
[14:48:02] <ganzuul> Aluminium is gummy...
[14:48:23] <fenn> wrong kind of aluminum
[14:48:24] <pcw_home> MacGalempsy: you can use any output signal you want to enable the spindle but in any case,
[14:48:25] <pcw_home> spindle-ena must also be set true when you want the spindle on ( since it enables analog output 5 )
[14:48:30] <archivist> going to shove the servo box under the cmm as the rack takes too much space
[14:48:51] <ganzuul> fenn: It has been machined. Old belt pullies.
[14:49:46] <archivist> ganzuul, lubrication when cutting for that sort of al
[14:50:28] <ganzuul> archivist: Is my normal cuttin'ol good?
[14:50:48] <ganzuul> The off-brand WD-40 type smells weird...
[14:50:49] <ssi> aluminum likes different lubricants
[14:52:44] <ganzuul> Should I get some WD-40?
[14:53:09] <fenn> ganzuul what is your surface speed?
[14:53:23] <ganzuul> Slooow
[14:53:31] <fenn> go faster
[14:53:56] <ganzuul> It has these ribs I'm trying to take off. Makes the machine vibrate.
[14:54:23] <ganzuul> I just added a big chipbreaker, so I have more positive rake.
[14:54:33] <ganzuul> So I suppose higher speeds make sense now...
[14:54:46] <ssi> aluminum cuts better with negative rake
[14:54:47] <ganzuul> And alu chips are sharp!
[14:55:14] <ganzuul> Oh...
[14:55:29] <ganzuul> I thought aluminium did not need to be heated up a lot to be cut.
[14:55:51] <ganzuul> So you shear it off rather than rub it off.
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[14:55:57] <ssi> I might have my terminology upside down
[14:56:09] <ssi> aluminum cuts better with a more acute angle
[14:56:22] <fenn> that's positive rake
[14:56:40] <ssi> k
[14:56:59] <ganzuul> \o/
[14:57:05] * ganzuul 's logic works!
[14:57:31] <ssi> also a chipbreaker doesn't increase the rake angle unless it goes right up to the edge
[14:58:12] <ganzuul> It does...
[15:02:26] <ganzuul> http://imgur.com/p4k9m8Y
[15:02:32] <ganzuul> Thusly.
[15:02:51] <ssi> k
[15:03:35] <ssi> well... run the spindle as fast as you can, use WD40 or IPA as lube, and hope for the best
[15:03:38] <ssi> some alloys cut like shit
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[15:03:57] <ganzuul> :o
[15:04:06] <ganzuul> Okay. Goan get some WD40.
[15:04:28] <ssi> get some IPA too, I've heard it works really well
[15:04:30] <ssi> never tried it myself
[15:06:50] <ganzuul> Eh, a bit of a way off, to get IPA...
[15:07:28] <ganzuul> But I do need some of that stuff anyway.
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[15:25:51] <MrSunshine> hmm, tried melting some more cast iron .. with new nozle on the burner, melted alot faster but poured it to cool :/ Started to see sparks comming out the top of the furnace so thought that was the que .. but i was wrong there? =)
[15:26:26] <ssi> MrSunshine: have any pictures of your furnace?
[15:26:29] <ssi> I'm about to start building one
[15:26:39] <ssi> actually have my cousin out hunting for refractory ingredients today
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[15:44:50] <MattyMatt> there was a pretty indoor one on ebay that plumbs into mains gas. nice design to rip off maybe? http://www.ebay.co.uk/itm/HME-Crucible-Furnace-AMF-T12-230V-Automatic-Melting-Tilting-Furnace-/291563204177
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[15:45:18] <ssi> whoa neat
[15:47:05] <MattyMatt> £330 seems a lot, but it might not be the most expensive appliance in the kitchen
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[15:47:48] <MattyMatt> tell the wife it's a soupmaker and you steal her workspace. paint yours white :)
[15:47:59] <ssi> no wife, and no mains gas :)
[15:48:27] <MattyMatt> ah well, same setup would work on propane
[15:49:06] <ssi> I have some five gal steel drums, I'm gonna make some small furnaces to play around before I make my final one
[15:49:08] <MattyMatt> no wife does diminish the returns of making it pretty I guess
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[15:49:55] <MattyMatt> me too. 1x 5 gallon first will be plain cement mixed with rockwool
[15:50:46] <ssi> my cousin found a place that has refractory
[15:50:51] <MattyMatt> if that goes well I'll buy a sack of the expensive castable refractory
[15:50:52] <ssi> he's gonna get me 110lb of econocast 30
[15:51:02] <ssi> plus 100lb of fireclay and 100lb of perlite to make some diy stuff
[15:51:12] <ssi> and some ceramic blanket if they have an open box to sell partials
[15:51:18] <ssi> 50 sqft box is $65; I don't need that much
[15:51:46] <ssi> I have four 5 gal drums to play with
[15:51:48] <MattyMatt> I've heard mixed opinions about perlite in the mix
[15:51:55] <ssi> and two 55 gal drums, but I think those are going to be WAY too big
[15:52:04] <ssi> I'd like to find a 30 gal drum
[15:52:21] <MattyMatt> cut one in half, or is it still too fat?
[15:52:29] <ssi> yeah it's the diameter that kills me
[15:52:36] <ssi> it's 24" diameter
[15:52:56] <ssi> put another way: a 5 gal drum is 0.68 cuft
[15:53:00] <ssi> a 55 gal drum is 7.4 cuft
[15:53:01] <Jymmm> fire bricks are CHEAP
[15:53:13] <ssi> the castable refractory is $65/bag, and a bag is 0.3 cuft
[15:53:15] <ssi> shit is dense
[15:53:38] <ssi> damn cubic functions and their making everything expensive :)
[15:54:08] <MattyMatt> yeah a square furnace made of bricks, all held together with handy angle. that was a neat design too
[15:54:42] <ssi> I figure I'll mix up some diy stuff for the first furnace
[15:54:45] <ssi> I expect it to get trashed
[15:54:59] <ssi> and then once I have some experience, I'll mix some commercial castable for a small furnace
[15:55:05] <ssi> and then later I'll try to build a bigger one
[15:55:41] <Jymmm> MattyMatt: sqaure bricks in a hex/octogon pattern
[15:55:43] <ssi> I'd like to eventually make a waste oil burner
[15:55:53] <ssi> we generate tons of waste oil
[15:56:08] <Jymmm> ssi: use it to fire your furnace
[15:56:11] <ssi> that's the point
[15:56:32] <ssi> I think we have about 130 gallons of waste oil on hand right now
[15:56:58] <ssi> I'll start with propane because it's far easier
[15:57:21] <fenn> i once fired a furnace with stale donuts
[15:57:43] <ssi> they are quite caloric :P
[15:58:01] <MattyMatt> http://www.backyardmetalcasting.com/guest_martin.html
[15:58:15] <ssi> nice
[15:58:28] <ssi> shit where was that really nice scratchbuilt one
[15:58:29] <ssi> lemme find it
[15:59:02] <ssi> model engine guy in the UK
[15:59:06] <ssi> what was his name
[15:59:14] <MattyMatt> myfordboy?
[15:59:43] <ssi> might have been but I don't think so?
[16:00:09] <fenn> myfordboy's oil fired furnace http://youtu.be/HJ9YoRMoO5Y
[16:00:11] <ssi> yeah maybe it was
[16:00:26] <MattyMatt> https://www.youtube.com/watch?v=ZbnroanPt4g&list=PLQyl_LP87ZqK5nzJTgDKWWkZsP2z0pfeZ
[16:00:33] <MattyMatt> playlist
[16:00:36] <MattyMatt> :)
[16:00:46] <ssi> yes that's the one
[16:00:54] <ssi> he did a nice job on it
[16:01:04] <ssi> and he's not limited to the barrels he can get his hands on
[16:01:10] <ssi> although rolling all that steel doesn't sound like fun
[16:01:11] <MrSunshine> ssi: hmm ...
[16:01:51] <MrSunshine> i built it with fireproof stones and fire mortar and then mixed perlite with fire mortar for the insulating layer outside .. (can mix with sodium silicate also as binder)
[16:02:30] <ssi> MrSunshine: I have a small tub of fire mortar, I was thinking about for my first one making it with DIY refractory (fireclay, perlite, sand, cement), and hotfacing it with the mortar
[16:03:38] <MrSunshine> ssi: https://photos.google.com/album/AF1QipPjEoVXBSdQi4AIks8ZPKLKN0zucjrh8lEdSDNx if you can view it, there are some of th epictures .. never finnished it fully so
[16:03:56] <ssi> 404. That’s an error.
[16:03:56] <MattyMatt> use packed earth, and remake it every time
[16:03:56] <ssi> The requested URL was not found on this server. That’s all we know.
[16:03:57] <ssi> lol
[16:04:36] <MrSunshine> https://goo.gl/photos/UajH9QAmuRXfwn2D8
[16:04:45] <ssi> that worked
[16:05:46] <MrSunshine> started cracking after i started trying to melt cast iron it it tho . .but nothing can get anywhere until it falls apart totaly =)
[16:05:56] <ssi> heh
[16:06:07] <ssi> I want to be able to eventually do iron but I'm content to stick with aluminum for a little bit
[16:06:16] <fenn> i always thought iron melting furnaces had to be huge tall chimney things, but that one's just a BBQ propane tank
[16:06:26] <MrSunshine> seems i got the heat atleast .. can melt mild steel in it if i stick a bar inside of it .. i just need to learn to be more patient =)
[16:06:35] <ssi> nah iron furnaces just have to get really effin hot without falling apart
[16:07:22] <MrSunshine> fenn: thats a reducer to produce iron from ore you are thinking of =)
[16:08:26] <MrSunshine> was so bright inside the furnace this time after the burner upgrade that i had to have welding googles on to look down there to see how it was doing
[16:08:46] <MrSunshine> melted huge chunks of cast iron in very short while when it had come up to temp =)
[16:09:03] <ssi> I have a teeny little heat treat furnace
[16:09:03] <ssi> https://pbs.twimg.com/media/B4Eb0kYIcAAzwJU.jpg:large
[16:09:12] <JT-Shop> anyone using a touch screen with 2.7 on Debian Wheezy?
[16:09:17] <ssi> electric
[16:10:27] <MrSunshine> hmm making my own transfer punches for holes that i cant poke throught .. i wonder how i should do that :/
[16:10:39] <ssi> huh?
[16:10:41] <MrSunshine> i could make just dowels that fit good down the holes and cut them to length i guess
[16:10:54] <CaptHindsight> JT-Shop: I tried using a panel with multitouch last year with 2.6 and Wheezy
[16:11:54] <MattyMatt> ssi that looks hot enough to melt alu
[16:12:02] <ssi> yeah it is
[16:12:06] <MrSunshine> http://www.victornet.com/productthumbs/622.jpg thats what i need realy
[16:12:08] <ssi> that little oven is 2500F I think
[16:12:16] <ssi> 2500C? I forget
[16:12:32] <MattyMatt> that'd do me, for turning soda cans into machinable stock
[16:12:41] <roycroft> 2500f would be pretty darn hot
[16:12:45] <roycroft> 2500c no way
[16:12:48] <ssi> 2500F
[16:12:56] <ssi> is the max temp on it I think
[16:13:03] <roycroft> ceramic kilns generally don't go that high
[16:13:12] <roycroft> porcelan fuses at around 2300f, iirc
[16:13:36] <fenn> MattyMatt: you don't want to use cans, they're not very machinable
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[16:13:41] <roycroft> yeah, cone 10 is 2381f
[16:13:57] <ssi> I think I run steel up to around 2250F and hold it for 30-60m or so
[16:13:58] <MattyMatt> I'll bung in a few 3.5" hdd into the mix
[16:14:09] <roycroft> and most ceramic kilns don't go up to cone 10 - cone 6 (2269f) is commonly the upper limit
[16:14:24] <ssi> unfortunately that little furnace isn't really big enough or shaped appropriately to put a crucible of aluminum in
[16:14:44] <MrSunshine> just weld a square box for the alu ? =)
[16:14:46] <ssi> roycroft: I had a ceramic kiln taht I was GOING to use for this, but I sold it to some friends of mine
[16:14:56] <ssi> MrSunshine: the opening is only 3.5x4"
[16:15:03] <ssi> it's like 7" deep
[16:15:05] <MattyMatt> tip it on its back and fill it :)
[16:15:07] <fenn> also cans have a lot of oxide relative to metal
[16:15:10] <roycroft> i have a ceramic kiln that i used for heat treating a few times
[16:15:11] <ssi> if I turned it up on end it might work ok
[16:15:14] <roycroft> it is a top loader
[16:15:15] <ssi> but I dunno if that's a good idea
[16:15:28] <roycroft> but i ended up getting a front loader kiln for heat treating, and that works out a lot better for me
[16:15:44] micges_ is now known as micges
[16:16:15] <roycroft> if i were making a transfer punch, though, i would not soak the whole think in a furnace
[16:16:20] <roycroft> i would just harden the very tip with a torch
[16:16:47] <ssi> I'd probably rather harden the whole thing, but then draw it from the handle end
[16:16:59] <ssi> so the handle ends up softer
[16:17:01] <MattyMatt> you'd normally harden and quench, then temper everything but the tip
[16:17:13] <roycroft> the problem with that is that the piece would warp a bit in the furnace
[16:17:16] <ssi> draw it from the handle end until the tip is light straw or so
[16:17:32] <roycroft> and if you turn the punch to a tight tolerance you would have to grind it straight after heat treating
[16:17:33] <ssi> roycroft: spin grind it after
[16:18:26] <roycroft> that seems like a lot of work for a transfer punch
[16:18:30] <ssi> yep
[16:19:43] <MattyMatt> if you could get a set of gauge pins, all with a regular bore for a replacable punch, that'd be handy
[16:19:53] <ssi> that's a pretty good idea
[16:20:52] <MattyMatt> less exotic, take the transfer punch next size down, and wrap it in tape
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[16:21:20] <Jymmm> fenn: I realy like is furnace "lid" setup
[16:21:25] <Jymmm> his^
[16:21:41] <Jymmm> fenn: what is the 15psi compressed air for?
[16:21:57] <fenn> turning the oil into a mist
[16:22:04] <roycroft> or make a bushing to hold the transfer punch
[16:22:34] <Jymmm> fenn: is the compressed air AFTER the plastic shutoff valve?
[16:22:55] <fenn> yes\
[16:23:07] <fenn> it's a venturi
[16:23:13] <Jymmm> fenn: Ok, I must have missed that.
[16:23:38] <Jymmm> fenn: Lots of hand made tools, he's been doing this for a while =)
[16:23:46] <skunkworks> fenn, http://electronicsam.com/images/KandT/cncworkshop/fennalum.JPG
[16:25:01] <Wolf_> nice… bought a air cylinder on eBay the other night, seller just messaged me that they are refunding me half the cost because it has some surface scratches on it :D
[16:26:16] <Jymmm> pressure gauge on propane tank? I don't see a regulator either
[16:27:06] <Jymmm> Wolf_: who's the seller?
[16:27:13] <CaptHindsight> how many beards does DIY blast furnace require? https://www.youtube.com/watch?v=8Q9LMMLfAag
[16:27:51] <ssi> lololol
[16:28:13] <Wolf_> http://www.ebay.com/usr/excess-tech?_trksid=p2060353.m2749.l2754
[16:29:13] <JT-Shop> CaptHindsight, how did that work out?
[16:29:17] <Wolf_> for this thing http://www.ebay.com/itm/191691397889
[16:31:57] <CaptHindsight> JT-Shop: not too well, even as a simple touch screen it was slow and clumsy, we added a keyboard to the system due to frustration with it
[16:33:06] <JT-Shop> thanks, what GUI did you try?
[16:33:13] <CaptHindsight> JT-Shop: the latest version of ubuntu with gnome3 had system tweaks to support multitouch but we didn't want to use gnome3 or deal with building kernels for ubuntu
[16:33:53] <CaptHindsight> JT-Shop: gnome3 and lxde
[16:34:13] <CaptHindsight> last year multitouch support in Linux was just poor
[16:34:42] <CaptHindsight> the Ubuntu devs had done all sorts of tweaks to sort of make it usable
[16:34:50] <CaptHindsight> haven't tried again yet
[16:36:15] <Jymmm> Wolf_: thanks
[16:36:30] <JT-Shop> is multitouch a special touch screen?
[16:37:07] <Jymmm> CaptHindsight: is that gold extraction?
[16:37:53] <CaptHindsight> JT-Shop: they have the added features (if the drivers support it) of having multi finger gestures like an android phone
[16:37:56] <fenn> "black magnetic sand" sounds like iron
[16:37:59] <ssi> he's putting a lot of work into extracting metals
[16:38:05] <ssi> I wonder what sort of recovery he's getting
[16:38:31] <fenn> it's performance art
[16:38:38] <ssi> lol
[16:38:40] <CaptHindsight> all I remember is 3 beards, was there a furnace in that video as well?
[16:40:12] <fenn> some people play minecraft, others build a compound in the desert
[16:40:20] <fenn> whatever floats yer boat
[16:40:25] <ssi> I'm more of the latter type ;)
[16:40:27] <CaptHindsight> JT-Shop: http://www.newegg.com/Product/Product.aspx?Item=12K-0077-000R2&cm_re=multitouch_panel_acer-_-12K-0077-000R2-_-Product or similar
[16:43:21] <JT-Shop> ok I was wondering about regular touch screens, I use ELO's on ubuntu
[16:43:41] <ganzuul> *cough*
[16:43:45] <ganzuul> yup, it's IPA
[16:43:59] <ganzuul> Wow, I got lucky.
[16:44:38] <ganzuul> Got it even cheaper, from this bottom-of-the-barrel store which was just about to close. The previous manufacturer (Neste) stopped production.
[16:44:53] <ganzuul> Got 2 liters!
[16:45:51] <CaptHindsight> JT-Shop: haven't tried, let us know if you do. I tend to have problems with debian and anything besides 1-2 standard displays
[16:46:05] <ganzuul> Should I mix the WD40 with the IPA, or...?
[16:46:28] <CaptHindsight> most IPA's are bad beers anyway
[16:46:47] <ganzuul> Isopropanol alcohol. :p
[16:47:20] <CaptHindsight> ganzuul: might depend on the type of IPA you use
[16:47:24] <ganzuul> I'm manly, but I'm not WD40 with beer manly.
[16:47:36] <CaptHindsight> 95%, 70%, 50% in water
[16:47:48] <CaptHindsight> the vapor pressure will vary greatly
[16:48:16] <CaptHindsight> so the ~95% stuff is going to evaporate pretty quickly
[16:48:32] <ganzuul> hmm
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[16:49:01] <roycroft> the -anol suffix means "alcohol"
[16:49:02] <JT-Shop> yea debian is somewhat a pain, I do have an ELO that I can plug in and test
[16:49:19] <roycroft> saying isopropanol alcohol is essentially saying isopropyl alcohol alcohol
[16:49:30] <roycroft> i.e. the "alcohol" is redundant
[16:49:30] * ganzuul looks up the MSDS
[16:49:35] <Jymmm> Ah, it IS gold extraction... https://www.youtube.com/watch?v=5Um6Z6X9_v8
[16:49:55] <ssi> yea
[16:49:56] <Jymmm> ...and this https://www.youtube.com/watch?v=e_AjDqp9-hA
[16:51:13] <ganzuul> I think it's 95%...
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[16:52:37] <CaptHindsight> ganzuul: you can add water yourself to cut it
[16:52:37] <ssi> it never ceases to amaze me how the desert is always full of just bullshit debris and detritus everywhere
[16:52:42] <CaptHindsight> if you need to
[16:52:56] <Jymmm> Well, there are suppose to be diamond and gold in the area, maybe I need to look into a claim
[16:53:02] <ssi> claims are cheap
[16:53:10] <ssi> my cousin's husband was trying to talk me into buying mining claims
[16:53:10] <Jymmm> ssi: Nah, that's brought in =)
[16:53:20] <lair82> pcw_home you around?
[16:53:25] <ssi> Jymmm: well yeah but everyone who lives there just leaves shit lying around everywhere
[16:53:29] <Jymmm> Yeah, it's WORKING the claim that's a bitch =)
[16:53:57] <Jymmm> ssi: Eh, I dont think that guy was just dumping stuff,
[16:54:31] <Jymmm> it's the desert, not going to have nice garages and warehouses with shelving and such
[16:54:51] <ssi> even in residential areas though, there's old washingmachines and boats and rusted out cars and just crap everywhere
[16:54:56] <ganzuul> CaptHindsight: Should it be 50/50 for cutting aluminium?
[16:54:56] <ssi> in peoples' back yards
[16:55:16] <ssi> it'd never fly in greener areas of the country
[16:55:36] <ssi> you know how much I had to fight with the city becaues of a forklift parked in my driveway? :P
[16:57:07] <pcw_home> lair82: yes
[16:57:34] <lair82> Do you know what this might be referring to? http://pastebin.com/FJua4mbQ
[16:57:35] <ganzuul> ah, I'ma just try some mixture...
[16:58:13] <fenn> ganzuul: i think the idea is that it evaporates quickly and leaves a clean part
[16:58:27] <fenn> vs kerosene which doesn't evaporate
[16:58:53] <lair82> I'm fixing the lathe I have that had the faulty HDD, with a new SDD, and the latest Debian wheezy image, running 2.7.0
[17:00:32] <CaptHindsight> ganzuul: by adding water you can control how quickly it evaporates
[17:00:56] <ganzuul> Added just a little water
[17:00:59] <CaptHindsight> it's highly flammable so be aware
[17:01:12] <ganzuul> mmh
[17:01:21] <ganzuul> Using a small container.
[17:01:29] <ganzuul> 10ml maybe
[17:02:13] <pcw_home> lair82: whats your servo thread period?
[17:02:47] <lair82> pcw_home SERVO_PERIOD = 2000000
[17:02:53] <CaptHindsight> ssi: did you have to disguise it as a portable basketball hoop or something?
[17:03:06] <ssi> no I told them to eat a dick
[17:03:16] <ssi> they tried to cite me under abandoned vehicle ordinances
[17:03:24] <ssi> but it's neither a vehicle nor abandoned under their definitions
[17:03:30] <CaptHindsight> heh
[17:03:47] <ssi> and there's a guy in my neighborhood that has a freakin 10x10 5 ton parked in his driveway
[17:05:09] <lair82> pcw_home this was ubuntu 10.04 until about 2 hrs ago when I mounted the new ssd
[17:06:05] <pcw_home> what CPU?
[17:06:38] <pcw_home> those numbers indicate 292 usec of latency
[17:06:45] <Jymmm> Ah, you have to SMASH the glass to get the gold out after seperation from the black sand
[17:07:20] <ganzuul> Speaking of CPUs, I got one of those new bargain OrangePi, RasPi clones.
[17:07:25] <ssi> Jymmm: yea it's interesting seeing that done... I always wondered how it worked
[17:07:50] <Jymmm> ssi: Yeah, i knew that black sand was always a bitch
[17:07:55] <Wolf_> pcw_home: have you heard of anyone using a SPINx1 on a sewing machine servo motor controller?
[17:08:25] <lair82> Another AMD , a A-4 4020 I believe
[17:08:28] <pcw_home> SPINX1 is for spindles (not bidirectional)
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[17:08:58] <Wolf_> pcw_home: yeah, I get that, drive motor, not positional
[17:09:09] <lair82> I see where this is going. Might as well go back to ubuntu on this one then...
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[17:09:57] <Jymmm> ssi: It's funny/ironc how they use one mineral to extract/seperate another mineral =)
[17:10:34] <fenn> such irony
[17:10:38] <ssi> the flux you mean?
[17:10:47] <Jymmm> yeah
[17:11:05] <lair82> pcw_home, 82381 ns Max jitter on a 1ms thread
[17:11:25] <Wolf_> pcw_home: this kind of thing, uses a optical gradient sensor for the speed control http://www.ebay.com/itm/321878573933
[17:11:43] <CaptHindsight> fenn: no, I think it was Gold :p
[17:12:59] <lair82> This AMD/Asrock combo isn't worth tits on a boar hog in regards to running Debian wheezy
[17:13:05] <pcw_home> Yeah but when actually doing something you had 292 usec latency
[17:13:07] <pcw_home> ( the latency test is rather optimistic since it doesn't _do_ anything )
[17:14:17] <Jymmm> That "Chapman Flux" process is a trip, just smack off the glass and you have gold/silver ball. And it look like it came off easily too
[17:14:19] <ganzuul> It works! :D
[17:14:34] <pcw_home> you might try the AMD on Preemt-RT since its a newer kernel
[17:14:41] <ganzuul> Though how can I finish a part without getting wasted on the fumes?
[17:14:57] <Jymmm> ganzuul: Breath DEEPLY
[17:15:05] <ganzuul> :V
[17:15:10] <Jymmm> ganzuul: then you just won't care =)
[17:15:25] <ganzuul> I haven't had any booze for 2 weeks to afford this new addiction of mine.
[17:15:38] <lair82> pcw_home will that make any difference on my configs?
[17:15:41] <ssi> sweet my minion is getting me 110lb of econocast 30 and 100lb of 20 mesh fireclay
[17:15:43] <Jymmm> lol
[17:15:58] <pcw_home> shouldn't
[17:16:27] <pcw_home> no guarantees its any better though
[17:16:48] <Jymmm> Is a 70ft run of 12ga THHN "too long" for 220V@20A ?
[17:17:24] <Jymmm> (which will be two 110@20A eventually)
[17:17:27] <lair82> I don't know if it's worth it, it is almost an identical combo to what I have to replace on my mills, I was rolling the dice to see if this would work.
[17:17:44] <lair82> I'm just going to rebuild this on ubuntu
[17:17:52] <ssi> Jymmm: that's overloading it by about twice for power transmission as per code
[17:17:58] <ssi> ampacity table says 9.3A for transmission
[17:18:18] <Jymmm> ssi: which table you loking at?
[17:18:33] <ssi> first one googs threw at me :)
[17:18:33] <ssi> http://www.powerstream.com/Wire_Size.htm
[17:18:46] <Wolf_> pcw_home: no idea on that driver question?
[17:18:57] <ssi> 2% voltage drop
[17:21:07] <Jymmm> ssi: Where do you see 2%?
[17:21:15] <ssi> I ran your numbers through their calc at the bottom
[17:23:50] <CaptHindsight> Jymmm: 70ft run of 12ga THHN will be fine
[17:24:22] * ganzuul has made an aluminium rat's nest!
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[17:24:32] <ssi> yeah aluminum strings like a bitch
[17:24:34] <ganzuul> Shiny on one side, dull on the other.
[17:24:37] <Jymmm> CaptHindsight: All these charts/calculators are jsut mucking with me, some say "yeah great", others say "oh no, you can't do that" lol
[17:24:45] <ssi> and those strings will slice the hell out of you if you try to pull it off with bare hands :P
[17:25:17] <CaptHindsight> Jymmm: you have to understand the electrical code to make use of the calculators
[17:25:34] <Jymmm> CaptHindsight: I got the breaker in dual pole bonded handles =)
[17:25:56] <ganzuul> ssi: I have dealt with torn beverage cans before...
[17:26:11] <ganzuul> Though I found these cut-proof gloves.
[17:26:28] <ganzuul> Puncture proof, to be exact.
[17:26:50] <ganzuul> Just didn't have my size... Cause I've got little babby hands.
[17:26:50] <Jymmm> CaptHindsight: I had been going off this http://www.cerrowire.com/ampacity-charts, but then was thinkinng 70ft is a long run too, so wasn't sure.
[17:27:06] <Wolf_> best to pull the stuff out with needle nose pliers while machining
[17:27:36] <Wolf_> makes a huge mess if it wraps around the work or chuck
[17:27:47] <Jymmm> ganzuul: Um, I've seen pucture proof and then cut proof, but not both in the same gloves
[17:28:04] <CaptHindsight> Jymmm: max continuous load should only be ~16A
[17:28:08] <ganzuul> At the high speed I ran at and with the apparently insuffiecient gear ratio I didn't have much time to worry about much but disengaging the power feed...
[17:28:24] <CaptHindsight> so you use 16A to factor your voltage drop not 20A
[17:28:42] <enleth> Jymmm: there's no escape from doing the math. The code tells you what thr absolute limit is, the tables are a ballpark hint for when you do the calculations mostly in memory
[17:29:25] <Jymmm> CaptHindsight: Where did you pull ~16A from?
[17:29:42] <ganzuul> Jymmm: ...cut proof. Must have seen puncture proof elsewhere in the same store. HPPE Tsunooga®
[17:30:13] <CaptHindsight> Jymmm: you can't have a continuous load over ~16A on a 20A breaker
[17:31:07] <Jymmm> CaptHindsight: It's mostly motor startup
[17:31:44] <CaptHindsight> Continuous Load. A load where the maximum current is expected to continue for 3 hours or more.
[17:32:10] <enleth> Jymmm: oh, and the voltage drop and the resultant heat that limits sustained loading is only a start. Then you need to account for short circuit loop resistance. It can't be too high or too low. And you measure/calculate it for the full route from the nearest transformer.
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[17:34:49] <Jymmm> enleth: Well, beyond the smartassery... nearest xmfr is actually the underground service on the corner of the property =)
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[17:35:29] <Jymmm> CaptHindsight: ty btw
[17:35:43] <enleth> Jymmm: that means you can't use oversized wire "just in case"
[17:36:20] <Jymmm> enleth: that's all beyond my paygrade
[17:36:46] <CaptHindsight> Jymmm: it's a confusing but branch circuits that have receptacles on them vs dedicated loads are handled differently
[17:37:18] <CaptHindsight> thats where the confusion might come in when looking at those calculators
[17:37:25] <enleth> Jymmm: if the combined resistance under a short circuit is too low, the short circuit current would be so high for a brief time that breaker contacts could weld together, or the voltage spike created upon opening of the contacts could be higher than the breaker can sustain.
[17:37:27] <Jymmm> CaptHindsight: Why? Resistance in the contacts?
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[17:37:49] <enleth> Jymmm: thus, it would fail to disdipate the arc
[17:38:00] <enleth> *dissipate
[17:38:46] <enleth> There's few things worse than a sustained arc through a breaker that tried to open
[17:38:56] <CaptHindsight> Jymmm: wiring size and breaker depend on the type of load and conduit fill and the location it's installed
[17:40:00] <Jymmm> "conduit fill" ?
[17:40:30] <Wolf_> aka air space
[17:40:37] <Jymmm> ah
[17:40:40] <CaptHindsight> number of current carrying conductors in a single raceway
[17:40:46] <enleth> Jymmm: how much stuff is stuffed into the conduit
[17:41:01] <Jymmm> four 12ga thhn in 3/4" PVC
[17:41:15] <CaptHindsight> yeah we cover this last week
[17:41:19] <Jymmm> =)
[17:42:20] <CaptHindsight> Jymmm: the load is just one motor correct? Not a motor and some 120V receptacles.
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[17:44:27] <Jymmm> CaptHindsight: It's actually ALL 120V receptacles The main loads are a dust collector, the laser, computer(s), tiny airbrush compressor,
[17:44:28] <CaptHindsight> the NEC might look a goofy at times but it's also based on what's burned down and what didn't over the past 100 years
[17:45:10] <Jymmm> CaptHindsight: Each are 110V and less than 10A (excluding startup)
[17:45:15] <CaptHindsight> Jymmm: then you need another panel on the other end of the 70ft run
[17:45:19] <Wolf_> imo Jymmm, you might be better off doing a sub panel from that 220 run
[17:45:36] <CaptHindsight> not just better off, it's required by code
[17:45:56] <Jymmm> I was actually planning on that.
[17:46:57] <Wolf_> pcw_home: no idea? if not no worries, I’ll just get one of them setups and scope it first
[17:47:16] <CaptHindsight> if he had two single pole breakers in the panel supplying the 2 120V branch circuits then he won't need a second panel
[17:48:13] <Wolf_> if its to a shop/outbuilding I would just put a 50A sub in and be done with it
[17:48:26] <CaptHindsight> but then he can't have a 240V load on those conductors as well
[17:48:44] <Wolf_> me personally I installed a 100A sub panel in my garage
[17:48:58] <CaptHindsight> I think he already had the #12 wires
[17:49:07] <Jymmm> This is the breaker I got http://www.ebay.com/itm/181872562658
[17:49:09] <CaptHindsight> and he's on a budget
[17:49:14] <Wolf_> but that was a 200 foot run...
[17:49:21] <Wolf_> so I had to go big
[17:49:38] <Jymmm> I have the 12# already Wolf_
[17:50:10] <Wolf_> still cheaper to do it right once then do it twice...
[17:50:35] <Jymmm> Wolf_: You're right.
[17:50:44] <CaptHindsight> now all he needs is a panel with main lugs and spaces for a few single or two pole breakers
[17:51:01] <Wolf_> small 4 breaker sub isn’t much
[17:52:06] <Jymmm> http://www.homedepot.com/p/Eaton-125-Amp-12-Space-24-Circuit-Type-BR-Main-Lug-Loadcenter-Value-Pack-Includes-5-Breakers-BR1224L125V1/100557051
[17:52:21] <FinboySlick> Connect it above the meter if you want to save on the electric bill.
[17:52:27] <CaptHindsight> lol
[17:52:33] <Wolf_> heh
[17:52:43] <Jymmm> FinboySlick: Actually, below... (just a sec)...
[17:52:55] <FinboySlick> Ah, comes from the ground?
[17:53:07] <Jymmm> yep
[17:53:08] <Wolf_> I wish I had underground service here, I know how to do y splices on that stuff :D
[17:53:20] <FinboySlick> Dig a tunnel underneath, great-escape style.
[17:53:33] <enleth> Jymmm: one more small point of trivia to remember: typical breakers are not selective during a short circuit. In other words, more than one breaker in series can and often will trip on a short even if their rated amperages are different and in a descending (towards the load) sequence
[17:53:52] <FinboySlick> Only works if you whistle though. Or was that bridge over the river Kwai?
[17:53:57] <enleth> Jymmm: this is usually not a problem because shorts on line voltage should not happen often if ever
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[17:54:45] <enleth> Jymmm: but if you expect them and wont't tolerate things turning off all over the place, you have to work around that limitation
[17:54:49] <maxcnc> Hi Q on XHC hb04 IS it posibal to access the lcd entry between MC and Wc direct
[17:54:55] <Jymmm> FinboySlick: http://i.imgur.com/B0qXNaw.jpg?1
[17:55:40] <FinboySlick> Unicorn Industries? They definitely won't mind electricity magically disappearing before the meter.
[17:55:46] <maxcnc> i only can do the stepsize-up to show 1,10,100,1000
[17:55:53] <Jymmm> FinboySlick: haha
[17:56:15] <Jymmm> FinboySlick: But PG&E might =)
[17:56:23] <enleth> Wait, that breaker was $20? Is that a normal US price for a double pole 20A?
[17:56:56] <Jymmm> enleth: That breaker in the stores is $65 - an oddball
[17:57:07] <enleth> what.
[17:57:35] <Jymmm> enleth: 40yo service pole
[17:57:43] <enleth> Is it some special mounting option or something?
[17:57:51] <Wolf_> http://www.ebay.com/itm//262061170546 “Quiet when not running” lmao
[17:58:03] <enleth> I don't recognize this type of rail/whatever it attaches to
[17:58:35] <Jymmm> enleth: It's a "ZINSCO" breaker
[17:58:48] <enleth> Jymmm: is it so expensive because it fits some ancient type of service?
[17:58:49] <roycroft> "zinsco" as in "ancient"
[17:58:52] <enleth> *service pole
[17:59:07] <Jymmm> enleth: pretty much
[18:00:10] <enleth> holy crap
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[18:00:37] <justanotheruser> tell me why I shouldn't spend money on building this http://www.shapeoko.com/wiki/
[18:00:51] <JT-Shop> a guy that lived down the street from me shot his meter with a bb gun then stuck a pine needle in to stop the wheel from turning
[18:00:56] <JT-Shop> he finally got caught
[18:01:09] <enleth> You could buy a chinese selective breaker for that price if you looked hard.
[18:01:15] <enleth> I mean, a DIN mount one
[18:01:39] <enleth> and selectives are not cheap, even chinese
[18:02:08] <Jymmm> enleth: Well, this is the breaker I got http://www.ebay.com/itm/181872562658
[18:02:24] <Wolf_> justanotheruser: belt drive? depends on what you plan/expect on cutting with it
[18:03:10] <enleth> > unique design that only fit into load centers (no longer made) that may be labeled Challenger, Sylvaniaor Zinsco
[18:03:19] <enleth> I see
[18:03:36] <justanotheruser> Wolf_: it will vary, but to smart I expect small/precise gears
[18:03:40] <justanotheruser> *start
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[18:03:52] <Wolf_> made from what?
[18:04:40] <justanotheruser> likely brass
[18:04:55] <Wolf_> then probably not imo
[18:05:18] <justanotheruser> Not powerful enough? Better off cutting wood and aluminium?
[18:05:38] <Wolf_> better off for engraving/pcb milling probably
[18:05:41] <justanotheruser> also looking into this 8020 http://www.8020cnc.com/cnc%20pics
[18:05:48] <archivist> wrong type of machine for gears
[18:05:49] <justanotheruser> based design
[18:05:54] <CaptHindsight> a unique feature of the ZINSCO was that it would weld itself closed so that it will not trip on overload
[18:06:24] <archivist> justanotheruser, a rigid milling machine not a router
[18:06:28] <justanotheruser> archivist: are you the watch maker from this channel?
[18:06:43] <justanotheruser> I vaguely remember speaking to you before
[18:06:54] <Wolf_> 8020 base might be better, least you can mount THK rails and ball screws on it
[18:07:29] <archivist> justanotheruser, I have been a mainly a clockmaker with some watch parts
[18:08:13] <enleth> justanotheruser: shapeoko would wobble like a damn marshmallow if you try milling gears
[18:08:34] <justanotheruser> what if I made the gears of gold :o
[18:08:47] <enleth> yeah, you could sell them and buy a better machine.
[18:08:58] <enleth> 3. ??? 4. profit!
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[18:10:42] <enleth> A CNC'd Proxxon BFW 40E/BFB 2000/KT 150 set is the smallest device I can imagime milling gears, but it's manual OOTB
[18:11:33] <archivist> I would rather use one of the cnc chinese mills than a router design
[18:11:49] <justanotheruser> is brass a "soft metal"
[18:12:05] <enleth> justanotheruser: yeah. It's also slippery and grabby.
[18:12:37] <justanotheruser> What is grabby
[18:12:42] <enleth> When descriptions of shit milling routers mention "soft metals", they probably mean garden variety aluminum.
[18:12:54] <enleth> justanotheruser: it grabs drills
[18:12:57] <archivist> needs little to no rake
[18:13:11] <justanotheruser> ah
[18:13:17] <justanotheruser> the description states "CNC machine must be capable of machining wood (all sorts), plastics and soft metals (aluminum, brass etc). "
[18:13:18] <enleth> I imagine it could grab and pull an end mill under wrong circumstances too.
[18:13:37] <McBride36> so what would you recommend for milling soft metals then
[18:13:39] <archivist> stone your drill to to "brass" them
[18:14:16] <archivist> enleth, not as bad with endmills
[18:14:20] <enleth> McBride36: Sieg KX1 if you want a turnkey purchase
[18:15:33] <justanotheruser> $2000 on alibaba
[18:15:38] <enleth> Its chineseness is within reasonable limits.
[18:15:48] <Jymmm> enleth: FWIW... I'm just duplicating the 220V@20A circuit that is in the front service pole going to a water pump, and replicating it on the rear service pole to feed the garage two 110V@20A circuits
[18:16:00] <justanotheruser> lol
[18:16:17] <McBride36> enleth, what if i wanted the experience of DIY. Assume i have all the tools except for a mill
[18:16:37] <Wolf_> build up a X2 imo
[18:16:41] <enleth> McBride36: then get a Sieg X1/X2 and retrofit it, I guess.
[18:16:55] <Wolf_> X1 sucks, head has too much play
[18:16:59] <enleth> McBride36: a retrofitted X2 could be cheaper than a KX1 if you do it right
[18:17:17] <Jymmm> Is 12ga+12ga=10ga THHN legit/legal to do, beneficial?
[18:17:47] <enleth> Jymmm: you mean pushing a single phase through two conductors?
[18:18:10] <justanotheruser> enleth: /win 53
[18:18:12] <Jymmm> enleth: Basically , yes. I have lots of 12ga thhn
[18:18:12] <justanotheruser> oops
[18:18:26] <enleth> It's legal where I live if you follow certain guidelines and clearly mark it as such, dunno about the US NEC
[18:18:56] <justanotheruser> enleth: any comment on buying these plans for $25? http://www.8020cnc.com/cnc%20pics
[18:18:59] <enleth> But it's not recommended because a partial failure could still go unnoticed for some time
[18:19:38] <Jymmm> ah
[18:19:39] <archivist> justanotheruser, wrong machine for gears
[18:20:06] <McBride36> archivist, what would that machine be for then?
[18:20:15] <archivist> justanotheruser, I am not against home building though
[18:20:20] <justanotheruser> archivist: it is a mill with high precision? http://www.8020cnc.com/images/panel3_large.jpg
[18:20:59] <Wolf_> McBride36: http://littlemachineshop.com/products/product_view.php?ProductID=4962&category=1387807683 makes a ok base for a CNC conversion IMO
[18:20:59] <enleth> archivist: I cringe from just looking at it. In my mind, I see it twisting almost beyond the limits of euclidean geometry under any significant loads.
[18:21:09] <archivist> it is a gantry router
[18:21:13] <enleth> bleh
[18:21:26] <enleth> justanotheruser: ^ I cringe from just looking at it. In my mind, I see it twisting almost beyond the limits of euclidean geometry under any significant loads.
[18:21:48] <justanotheruser> well if I could see non-euclidean geometry irl that would be pretty cool
[18:22:38] <McBride36> enleth, archivist Wolf_ what do you think of this setup http://i.imgur.com/8hsCieH.jpg
[18:22:53] <justanotheruser> archivist: so it is incorrect that it calls itself a milling machine?
[18:22:53] <archivist> justanotheruser, if you are sticking to gears think about a hobbing machine, google gear milling too
[18:23:05] <justanotheruser> archivist: I'd prefer it be able to do more than gears
[18:23:45] <Wolf_> McBride36: not sure wtf that is lol
[18:23:47] <archivist> a lot of the extrusion designs are plain flexible
[18:23:52] <enleth> McBride36: the column looks nice and stout, whatever that is for
[18:24:01] <McBride36> cnc machine believe it or not
[18:24:10] <justanotheruser> The end goal would be to have all the stuff I need for a fab lab
[18:24:20] <justanotheruser> but for now I just want to make gears
[18:24:32] <Wolf_> I can see that, just can see whats used for ways and whatnot
[18:24:34] <justanotheruser> for the first month I own it that is
[18:24:46] <archivist> McBride36, that column has torsional problems
[18:25:02] <McBride36> Wolf_, making tiny injection molds for a medical device manufacturing company
[18:25:14] <archivist> justanotheruser, you need a rotary
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[18:25:48] <aventtini> hello guys
[18:25:54] <justanotheruser> There should be a flow chart for figuring out what to buy
[18:25:57] <aventtini> any one on the channel?
[18:26:06] <Wolf_> nope
[18:26:10] <aventtini> :))
[18:26:26] <archivist> aventtini, no all down the pub ask your real question and a bot will answer
[18:26:28] <enleth> McBride36: but the strutrs that connect the vertical plate thing, are there only two of them on the top?
[18:26:38] <aventtini> :))
[18:26:40] <enleth> *struts
[18:26:54] <McBride36> it's a bracket
[18:26:57] <enleth> McBride36: add more along the height of the column or something
[18:27:00] <McBride36> and the plate is bolted at the bottom
[18:27:01] <aventtini> i have a problem joint 2 following error
[18:27:16] <Wolf_> the column looks like a afterthought build on that thing McBride36
[18:27:33] <McBride36> probably is
[18:27:39] <McBride36> i wasn't the one who built it
[18:27:56] <aventtini> i have got the siganl out of the liniar encoders from sin to ttl
[18:28:16] <archivist> McBride36, I first had a column to flexible but made a square/tube to strengthen
[18:28:23] <aventtini> and now i have the drive BOSCH TR15 that has tachos
[18:28:27] <aventtini> on them
[18:28:45] <aventtini> i have corected the speed and f error but still same thing
[18:28:51] <justanotheruser> archivist: could you elaborate on why I need one?
[18:29:03] <archivist> gears are round
[18:29:27] <aventtini> This bosch TR15 old stuff has 2 sw one whit 5 v and one whit 10v
[18:29:31] <justanotheruser> yes, but a mill can cut round shapes, no?
[18:29:43] <archivist> rotate a gear tooth pitch, mill slot, rinse repeat
[18:30:20] <archivist> justanotheruser, the shape has a rectangular root form
[18:30:29] <aventtini> there is by any chance im conected to the 5v sw and the signal is to fast for the drives ?
[18:30:57] <justanotheruser> so I cannot get the precision I need when is rectangle based?
[18:31:38] <archivist> look at the bottom of gear slots http://gears.archivist.info/gears/IMG_1214_hires.JPG
[18:32:02] <archivist> now show me a small enough endmill
[18:32:52] <Wolf_> really its not even square root to most gears right?
[18:33:13] <archivist> use the correct gear form cutter or learn how gears can be generated, I dont count the wooden gear designs as applicable for metal
[18:33:39] <justanotheruser> archivist: why can't I just make a spur
[18:33:51] <aventtini> man thas smalll
[18:34:21] <aventtini> smallest end mill i have used is 0,5mm
[18:34:38] <aventtini> thats made whit a engraving mill
[18:34:43] <archivist> justanotheruser, you normally use a gear cutter and a rotary to make spurs
[18:34:56] <justanotheruser> but I can make spurs with a mill, can't I?
[18:35:10] <archivist> a mill?
[18:35:18] <justanotheruser> milling machine
[18:35:31] <archivist> milling machine with a rotary table
[18:35:40] <justanotheruser> heh
[18:35:48] <justanotheruser> why can't I just cut out the figure with the milling machine
[18:36:02] <Wolf_> the roots will all be rounded
[18:36:09] <archivist> http://www.archivist.info/cnc/target.php
[18:36:15] <aventtini> EDM will be perfect
[18:36:26] <aventtini> on some of them
[18:36:45] <archivist> I cannot imagine edm on a helical
[18:37:50] <aventtini> wire edm
[18:37:55] <enleth> justanotheruser: you can. But it will work badly.
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[18:38:20] <archivist> justanotheruser, http://www.collection.archivist.info/archive/DJCPD/PD/2008/2008_02_28_cnc/P2210002.JPG
[18:38:22] <aventtini> helical on normal edm electrode made on grafit
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[18:39:06] <archivist> hobbing http://www.collection.archivist.info/archive/DJCPD/PD/2008/2008_07_24_p1010025_cnc_thread_milling_worm_and_wheel/P1010031.JPG
[18:40:01] <archivist> helical milling http://www.collection.archivist.info/archive/DJCPD/PD/2009/2009_08_13_cnc_helical/P1010261.JPG
[18:40:50] <archivist> manual 5th axis in that
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[18:45:58] <archivist> justanotheruser, this is the sort of cutter for normal spur gears http://www.ebay.co.uk/itm/RDGTOOLS-INVOLUTE-VARIOUS-DP-GEAR-CUTTERS-ALL-VARIATIONS-SIZES-TO-CUT-ALL-TEETH-/370710110759
[18:46:21] <archivist> that has a 1" bore for a horizontal mill
[18:47:03] <archivist> just at a few hundred rpm not 20k like a kress on a router
[18:47:13] <Wolf_> here more info then you will ever need about gear cutting https://www.youtube.com/watch?v=JMhYuXx35Ik
[18:48:21] <Wolf_> with a cnc you can swap out the dividing head for a 4th axis (rotating)
[18:50:12] <archivist> hehe he is plain wrong on helical, you can make at home
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[18:50:32] <Wolf_> hehe yeah
[18:51:54] <archivist> you can use linuxcnc to hob gears at home too
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[19:01:06] <ganzuul> My cutoff tool just chatters...
[19:01:56] <archivist> needs to be sharp, use the slowest speed you can
[19:02:26] <archivist> and lubricate
[19:02:47] <ganzuul> ooh
[19:02:55] <ganzuul> huh
[19:03:03] <Wolf_> archivist: opinion, getting the x2 head in pieces, AC or taper roller bearings?
[19:03:19] <Wolf_> for the r8 spindle...
[19:03:29] <archivist> is that two questions :)
[19:03:41] <ganzuul> Thought it was the same as with cutting the OD on 6061. High speed.
[19:04:06] <archivist> not on a tiny lathe
[19:04:17] <Wolf_> just one, picking bearings
[19:05:08] <archivist> tapers are good for load, the others for high speed, a choice
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[19:06:21] <Wolf_> use both? lol taper at the nose end, angular contact at the drive end? lol
[19:06:28] <Sync> I suppose angular contact will be fine
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[19:06:59] <Sync> Wolf_: matched pair at the nose and a single one at the drive end
[19:07:16] <archivist> think of you main use, then choose
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[19:07:57] <Wolf_> alum and some steel, engraving not often…
[19:08:23] <Sync> also think about your drive
[19:08:23] <archivist> a low speed slab milling cutter, taper roller, high speed al ac
[19:08:35] <Sync> if you use a belt you might exceed radial loads
[19:08:56] <Wolf_> yeah, its going to be a belt drive
[19:10:40] <Wolf_> and the spindle uses 6007RS (35x62x14mm) nose, 6206RS (30x62x16mm) drive end
[19:10:50] <Wolf_> so I don’t think I can stack 2 of anything
[19:11:01] <Sync> probably not without machining the case
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[19:11:26] <Wolf_> case is hollow, I don’t think machining is going to work
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[19:12:02] <Sync> machine the case completely hollow and glue in a bearing cartridge
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[19:14:04] <justanotheruser> archivist: Alright, I'm a bit disappointed that I will need a separate machine, but is there one you would recommend?
[19:14:35] <Wolf_> http://damonjurkiewicz.com/frankenmill-phase-1/ has some good pics of the x2 spindle head
[19:16:00] <archivist> justanotheruser, I would recommend retrofitting an industrial mill for best, depends on gears sizes you want to make
[19:16:41] <archivist> sometimes easier to buy ready made gears
[19:16:58] <archivist> then you need a lathe to adapt them
[19:17:20] <archivist> you need a lathe to make blanks anyway
[19:17:30] <justanotheruser> Why would I retrofit a mill? Should I have a rotary that the mill machine reduces from?
[19:17:54] <archivist> reduces?
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[19:18:14] <justanotheruser> cuts from
[19:18:32] <ganzuul> Meh.
[19:18:39] <ganzuul> I can't experiment at this hour.
[19:18:47] <archivist> noise :)
[19:19:03] <ganzuul> Yeah. Steel and brass are really quiet.
[19:19:22] <archivist> justanotheruser, I think you are confused about normal gear cutting processes
[19:19:28] <justanotheruser> probably
[19:19:38] <justanotheruser> maybe I should read into it more and come back
[19:19:52] <archivist> I had to stop playing with the CMM as the compressor is noisey
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[19:20:00] <Wolf_> justanotheruser: https://www.youtube.com/watch?v=JMhYuXx35Ik
[19:20:05] <Sync> get a co2 bottle archivist
[19:20:21] <justanotheruser> this is the tutorial I saw https://www.youtube.com/watch?v=_Y-_13eYwBQ
[19:21:38] <ganzuul> Funny though, when the tool bites into the aluminium the chuck stops, then the motor starts adding up power until it frees the tool, getting a rather nice chip. I'm maybe running at at too slow a speed, or need an even sharper tool.
[19:21:40] <CaptHindsight> fill the t-slot column with epoxy granite and attached if more firmly to the Z positioner
[19:22:17] <CaptHindsight> http://i.imgur.com/8hsCieH.jpg ^^
[19:23:01] <archivist> Sync, that would explode all the pipes in it
[19:23:01] <CaptHindsight> archivist: how rapidly does the CMM move?
[19:23:21] <archivist> CaptHindsight, not at all yet, effin crap software
[19:23:40] <archivist> flashes an error so fast I cannot read it
[19:23:57] <CaptHindsight> archivist: is there a manual mode?
[19:24:11] <archivist> cant get past the himing
[19:24:19] <archivist> homing
[19:24:26] <CaptHindsight> screw driven?
[19:24:55] <archivist> no it has servos driving by friction onto rods
[19:25:18] <Sync> there are regulators for them archivist
[19:25:39] <archivist> the servos lock it on all 3 axes on start
[19:26:11] <Wolf_> hmm, i might go taper bearing, especially with the air cylinder draw bar setup
[19:26:19] <archivist> so I think it is more a software issue (licence ?)
[19:26:37] <archivist> it has its dongle
[19:28:43] <CaptHindsight> http://www.ebay.com/itm/Mikron-A-2-1-0-Hob-Gear-Cutter-hobbing-machine-/231701056064 $1300 or best
[19:29:34] <archivist> Sync, too costly I think, needs about 2,5 cfm
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[19:32:18] <archivist> £185+VAT at 20% for 262 minutes of use!
[19:32:59] <kanzure> justanotheruser: there are many better things to make rather than shapeoko things
[19:34:45] <Sync> the filling is much cheaper archivist
[19:35:01] <Sync> I pay like 12€/10kg at my local gas dealer
[19:35:53] <ganzuul> How do I know if a random drill-rod like bit of steel is actually drill rod?
[19:37:20] <Sync> XRD
[19:38:13] <ganzuul> ...Oh poop. This has already been hardened.
[19:39:40] <ganzuul> ...man this stuff is hard.
[19:40:47] <archivist> Sync, I would need 60 kg a day
[19:41:04] <Sync> if you use it solely
[19:41:18] <Sync> but to supplement a compressor it works nicely
[19:41:30] <Sync> I have a bottle around for situations like that
[19:41:57] <ganzuul> You can get HPA in scuba tanks.
[19:42:33] <ganzuul> Mind you those tanks are not a joke.
[19:43:09] <ganzuul> Knock the valve off and you got yourself a rocket.
[19:43:23] <Sync> you don't
[19:43:31] <Sync> as all legal tanks have a blow off valve
[19:44:16] <ganzuul> Archivist strikes me as the kind of guy who is legal when it suits him.
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[19:44:52] <justanotheruser> kanzure: yeah, I am wondering why a hobbing machine isn't in your fablab kit
[19:45:54] <Sync> oh that is a teeny tiny machine CaptHindsight
[19:46:10] <kanzure> justanotheruser: because literally nobody has reviewed that list
[19:46:15] <archivist> justanotheruser, https://www.youtube.com/watch?v=PFTHY5U8v-U
[19:47:04] <CaptHindsight> Sync: http://www.ebay.com/itm/BARBER-COLEMAN-14-15-GEAR-HOBBER-HOBBING-MACHINE-/281662834610 this more like it?
[19:47:37] <justanotheruser> archivist: do I still want a hobbing machine if my gears are going to be 1-2mm thick?
[19:47:46] <archivist> that is a large lump buy it for me
[19:48:04] <CaptHindsight> will you cover the shipping?
[19:48:22] <archivist> justanotheruser, it is the fastest way to make gears
[19:48:42] <Sync> yup CaptHindsight
[19:48:42] <archivist> CaptHindsight, erm...cannot afford the shipping either
[19:48:56] <Sync> shipping probably is not expensive
[19:50:03] <archivist> I dont have full time employment
[19:51:32] <ganzuul> To answer my own question: I can find out how it anneals...
[19:51:37] <archivist> barber colman and mikron were the two main hobbing machine makers
[19:52:23] <archivist> my baby barber colman is damned heavy
[19:52:41] <Sync> I'm thinking about getting a pfauter
[19:53:13] <ganzuul> http://www.spaco.org/Blacksmithing/Anneal/AshBucketAnneal.htm
[19:55:09] <CaptHindsight> https://www.youtube.com/watch?v=G66YH2EGbDA look at how rigid the cutter is on this
[19:55:22] <CaptHindsight> Hofler HF 4000 Gear Hobbing Machine ^^
[19:57:19] <archivist> that looked like it has its own gashing
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[20:00:18] <Sync> in the end gear hobbing is not hard but you want a dedicated machine for it
[20:00:47] <CaptHindsight> lathe with live tooling
[20:01:10] <Sync> I also want a gear grinder, or rather a diaform to shape the discs
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[20:01:18] <archivist> Sync, you can now do it on a normal mill if it has spindle encoder
[20:01:38] <norias> i think being a machinist has me...
[20:01:40] <norias> spoiled
[20:01:51] <norias> if i send a resume and i don't hear back in 3 days
[20:01:55] <norias> i'm a little miffed
[20:02:10] <archivist> with modern software gearing you can use more hardware for hobbing
[20:02:35] <CaptHindsight> https://www.youtube.com/watch?v=NsN72k5Ne9c hobbing on CNC lathes without B-axis
[20:02:57] <skunkworks_> https://www.youtube.com/watch?v=ZhICrb0Tbn4
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[20:06:01] <Sync> sure, but I'd rather have a dedicated machine
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[20:07:30] <archivist> I can only get about 1" diameter on mine
[20:08:19] <archivist> was really a production watch gear machine
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[20:38:11] <MacGalempsy> good afternoon all
[20:39:17] <SolarNRG> good afternoon
[20:39:37] <MacGalempsy> anything exciting going on?
[20:39:53] <Sync> ah yeah archivist
[20:45:07] <MacGalempsy> Session #3, Talk #4 http://aapgmcs.org/section-meetings/2015/technical-program/monday-afternoon-oral-presentations
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[20:55:55] <Deejay> gn8
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[20:56:26] <SolarNRG> nn deejay
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[21:02:01] <SpeedEvil> http://www.concretenetwork.com/concrete/countertops/design-ideas/posttensionedconcretecountertops.html
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[21:08:26] <ganzuul> Can HSS be made sharp enough to cut the hairs on one's arm?
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[21:11:39] <Sync> yes
[21:12:00] <XXCoder> you didnt see guide: how to shave with HSS drills?
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[21:14:09] <Loetmichel2> ganzuul: a small HSS blade certainly
[21:14:35] <Loetmichel2> a drill or similar simply has not a small enough angle of attack
[21:15:33] <Loetmichel2> my HSS wood chisesls and plane blades certainly can be used as a razor
[21:15:35] <Loetmichel2> with ease
[21:18:04] <ganzuul> ooh
[21:19:55] <ganzuul> Tryina get this HSS parting tool as sharp as possible on the underside of a cup.
[21:20:41] <Loetmichel2> <- uses the diamond file on his leatherman wave for this kind of thing
[21:20:58] <Loetmichel2> and up to 2000grit sandpaper glued to a glass plate
[21:24:15] <ganzuul> The raised edge lets me get into the chip breaker.
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[21:27:42] <ganzuul> eeh, good enough. Bites into aluminium at the right angle.
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[21:39:50] <JT-Shop> I know I have two pocket hole jigs but can't find either of them... I guess I'm about to own a third one
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[21:48:24] <_methods> kreg?
[21:48:32] <_methods> always good to have a few of those around
[21:48:58] <roycroft> i have one, and i've had it for about 20 years
[21:49:07] <roycroft> it lives in a drawer labeled "kreg jig"
[21:49:42] <_methods> mine is attached to the side of my chopsaw table
[21:50:07] <roycroft> so if you lose your chopsaw table you're sol
[21:50:12] <_methods> yep
[21:50:19] <_methods> no chopsaw and no kreg jig lol
[21:50:32] <_methods> fubar'd
[21:51:12] <JT-Shop> yea kreg
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[21:51:32] <_methods> i have an old aluminum one somewhere
[21:51:48] <_methods> not sure where that one is hiding though
[21:52:04] <_methods> i was determined to keep the blue plastic one from disappearing
[21:52:20] <_methods> made it a special home on the chopsaw stand
[21:52:24] <JT-Shop> I have the mini ones http://www.amazon.com/Kreg-MKJKIT-Mini-Jig-Kit/dp/B00065WPP2/ref=sr_1_3?ie=UTF8&qid=1443477099&sr=8-3&keywords=kreg+pocket+hole+jig
[21:52:48] <_methods> yeah one of those came in my kit
[21:53:01] <_methods> that's the emergency one hehe
[21:54:09] <roycroft> mine is the original one
[21:54:11] <roycroft> single hole
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[22:01:06] <MacGalempsy> ganzuul: I bet razorblades are no more than hdd
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[22:15:39] <JT-Shop> mmm Dakgangjeong for dinner tonight
[22:16:11] <_methods> bless you
[22:16:54] <_methods> ahh fried chicken
[22:17:02] <_methods> had to look that one up
[22:21:12] <JT-Shop> very good too
[22:31:21] <_methods> yeah that looks tasteeee
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[23:30:50] <McBride36> anyone ever built a bartending bot in here?
[23:31:30] <SpeedEvil> Aren't some lathes basically bartending robots?
[23:32:14] <McBride36> i've only turned bowls on mine so...IDK?
[23:37:31] <MacGalempsy> JT-Shop: what exactly is Dakgangjeong? Vietnamese?
[23:37:59] <MacGalempsy> ah, ok I see
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[23:43:17] <SpeedEvil> http://modernmachinetool.com/wpg/bar-feeder.html - ^
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