#emc | Logs for 2011-12-09

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[19:27:54] <danimal_laptop> say what one more time, i dare ya
[19:28:57] <FloridaKyle> Anyway, going to ship some packages. HOpefully Ill get back to the mill to see about encodes vs resolvers and maybe contact Fanuc and Practec (the rebuilder of the spindle drive) about the manuals
[19:29:12] <danimal_laptop> cool, good luck
[19:29:15] <FloridaKyle> as well as count some IO
[19:29:21] <FloridaKyle> Birthday this weekend
[19:29:32] <danimal_laptop> allow some extras, i always miss a few
[19:29:33] <FloridaKyle> So ohpfully will do it on Tuesday
[19:29:40] <danimal_laptop> happy b-day!
[19:29:56] <FloridaKyle> yea I def wnat to add feature to the mill as well. Like temp comp and maybe some others
[19:30:06] <danimal_laptop> beer dispenser
[19:30:09] <FloridaKyle> after i get it up and running well that is
[19:30:13] <FloridaKyle> yea precisely
[19:30:17] <FloridaKyle> itll calculate the run time
[19:30:21] <FloridaKyle> run time >1 hour
[19:30:24] <FloridaKyle> dispense beer
[19:30:32] <danimal_laptop> thats how i have mine
[19:30:38] <FloridaKyle> simple if then
[19:31:05] <FloridaKyle> Ive been wanting to do more with micrcontrollers as far as snesors so this is a good opportunity for that
[19:31:16] <FloridaKyle> thanks for the help, as always I really apprciate it
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[19:32:23] <jdhNC> are you sure he isn't that .sd.ca.us guy that keeps changing nicks?
[19:33:51] <danimal_laptop> yea, pretty sure lol
[19:34:01] <danimal_laptop> the florida guy seems ok
[19:35:33] <danimal_laptop> he's probably a bit overwhelmed and excited about the project.
[19:37:47] <jdhNC> anyone ever coated aluminum with GunKote, DuraCote, MolyResin, etc?
[19:38:20] <danimal_laptop> is that a ceramic kind of coating?
[19:38:32] <jdhNC> bake-on enamel I thikn
[19:38:42] <jdhNC> maybe not enamel, but something like that.
[19:39:14] <jdhNC> I need saltwater protection for 6061. The existing powder coating is damaged and flaking off
[19:39:15] <danimal_laptop> i have a dealer who ceramic coats my chainrings. it's some sort of baked on finish
[19:39:27] <danimal_laptop> repowdercoat it?
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[19:40:02] <jdhNC> could I guess. Wonder if high polish + wax would last well enough
[19:42:30] <danimal_laptop> anodize?
[19:42:41] <danimal_laptop> then powdercoat?
[19:47:27] <Loetmichel> Well... finally i got my VFD to run... the HF spindle is REALLY quiet, the fan pf my PC is nearly louder...-> http://www.cyrom.org/pce/HFspindel_LEISE.avi (5MB)
[19:51:00] <Mjolinor> I am jsut doing a RC / Opamp circuit to amke my 0 -10 v analogue for my inverter. Can soemone gi e me an idea of what PWM frequency works best in EMC?
[19:53:07] <danimal_laptop> nice Loetmichel
[19:53:34] <Loetmichel> Danimal_garage: that was 400Hz / 24kRPM
[19:53:49] <Loetmichel> ... and 0,6A idle current ;-)
[19:54:48] <danimal_laptop> cool!
[19:56:01] <pcw_home> Mjolinor: low because your resolution is BASEFREQ/PWMFREQ
[19:57:38] <pcw_home> so if you have a 20 KHz base frequency, a 200 Hz PWM rate will give you 1% steps
[19:57:52] <A2Sheds> anodize with a real rough surface, then powder coat or glass
[19:59:34] <pcw_home> PDM may be a better choice as it will lower your output ripple
[19:59:52] <A2Sheds> a thermoset powdercoat with UV inhibitors if it's going to be exposed to sunlight
[20:00:28] <A2Sheds> coating it with glass is even better if the temp changes aren't going to be extreme or won't flex much
[20:01:27] <jdhNC> glass?
[20:01:37] <jdhNC> I can't find any place taht will anodize
[20:01:52] <A2Sheds> glass frit, powdered glass
[20:02:16] <A2Sheds> then you sinter
[20:02:31] <jdhNC> without melting the aluminum?
[20:02:53] <A2Sheds> yes, lower melting point glass
[20:03:07] <A2Sheds> it's also softer
[20:03:31] <A2Sheds> so it depends on the environment
[20:03:40] <jdhNC> powder coating seems easiest
[20:03:55] <jdhNC> assuming I can talk the other guy in to doing it (I have 2, he has 2)
[20:03:56] <A2Sheds> just pick a coating that fits best
[20:05:02] <jdhNC> it's a cone, with sharp edges. The coating is flaking off at all the edges
[20:05:28] <jdhNC> there is waterproof shaft seal that needs to fit well
[20:07:51] <Mjolinor> is the basefreq defined soemwhere?
[20:17:16] <PCW> its 1/your base thread period
[20:17:30] <A2Sheds> jdhNC: maybe a nice thick sacrificial powdercoating
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[20:28:43] <mrsun> is 45 and 60 degrees the usual degrees on a dovetail ?
[20:31:10] <A2Sheds> jdhNC: you have to look at all the parameters, temp range, how much does it flex, what does it come in contact with, abrasion resistance etc etc
[20:32:10] <PCW> mrsun: depends on the dove :-)
[20:32:16] <mrsun> true :P
[20:32:29] <mrsun> i wonder what degrees the seig x1 holds :P
[20:32:32] <mrsun> havent measured
[20:35:23] <JaegerBar> hello what sort of press strength does it take to form a piece of 0.5mm thick stainless steel, and also, has anyone ever homebrewed a simple press before
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[20:42:58] <Tom_itx> 100 ton
[20:45:34] <JaegerBar> i'm sorry stamping is probably the right word
[20:45:46] <JaegerBar> http://www.rapidstampings.com/why-rapid-stamping.aspx
[20:46:08] <JaegerBar> to make a part like that out of 28 gauge steel or 26gauge would require 100 tons?
[20:46:42] <Tom_itx> typically done with a hammer press
[20:46:54] <Tom_itx> with a BIG flywheel to store the inertia
[20:47:44] <JaegerBar> holy crap
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[20:48:26] <Tom_itx> a hydropress can form sheetmetal as well
[20:48:48] <Tom_itx> i made alot of forms for those
[20:49:30] <JaegerBar> so i can't just go and make my own stamping/pressing system
[20:49:46] <JaegerBar> this sort of thing has to be huge because of the pressures involved
[20:49:52] <Tom_itx> feel free to try
[20:50:01] <Tom_itx> alot of pressure
[20:50:07] <JaegerBar> well the 28 ga steel seems very pliable
[20:53:54] <Tom_itx> http://www.pressesforindustry.com/searchresults.asp?search=Search+Inventory&uen=&manufacturer=Cincinnati
[20:54:10] <Tom_itx> they've got a 600 ton one
[20:54:52] <danimal_laptop> lol
[20:54:54] <Tom_itx> http://www.pressesforindustry.com/thickboxpages/equipmentdetail.asp?ID=2959
[20:55:02] <Tom_itx> that's a press/breake
[20:55:21] <danimal_laptop> ask your dad if you can buy that press, the mill wont seem so bad afterwards
[20:55:48] <Tom_itx> http://www.pressesforindustry.com/thickboxpages/equipmentdetail.asp?ID=2787
[20:55:53] <Tom_itx> there's a 135 ton one
[20:56:37] <Tom_itx> you might have to reinforce your garage floor
[20:56:44] <Tom_itx> it's 20k lbs
[20:56:48] <danimal_laptop> for stamping you want a power press, not a brake press
[20:56:56] <Tom_itx> i know
[20:57:18] <danimal_laptop> http://www.alibaba.com/product-gs/332652310/EMM_EMM23_10_Punching_machine_power.html
[20:57:32] <JaegerBar> lol k
[20:57:41] <JaegerBar> i'll just get my part prototypes
[20:57:49] <JaegerBar> at that place in NH
[20:57:57] <Tom_itx> notice the large flywheel on em
[20:58:12] <danimal_laptop> dont be a pussy.
[20:58:17] * Loetmichel has made a die press for 1,0mm aluminium sheet a while ago
[20:58:24] <Tom_itx> one of those gets loose it would go clear thru several walls
[20:58:59] <Loetmichel> ... die on the anvil, toll from above, aluminium in beween, sledgehammer-> *BANG*... ;-)
[20:59:00] <danimal_laptop> i ran presses like those for a couple years
[20:59:14] <Loetmichel> has operated ok, less than 10 % failed
[20:59:21] <JaegerBar> wow Michael
[20:59:32] <JaegerBar> so you can use a sledgehammer instead for the weight
[20:59:43] <JaegerBar> what did you make the die out of?
[20:59:52] <JaegerBar> Ostalloy?
[21:00:11] <Loetmichel> you have to get the force "just about right", thogh, the first 10 or so parts were scrap
[21:00:15] <danimal_laptop> generally heat treated tool steel
[21:00:32] <Loetmichel> normal steel (st37) oil hardened
[21:00:45] <Loetmichel> more or less
[21:00:49] <Tom_itx> i wonder if you had a big enough bladder if you could make a hydropress with a high pressure washer pump
[21:00:55] <Tom_itx> i doubt it would be enough
[21:01:24] <Loetmichel> maybe explosive forming would be an option? ;-)
[21:01:29] <Tom_itx> there you go
[21:01:37] <Tom_itx> that's typically done underground isn't it?
[21:01:40] <Loetmichel> no
[21:01:41] <danimal_laptop> probably an a-frame type shop press would work
[21:01:43] <Loetmichel> underwater
[21:01:49] <danimal_laptop> if it's light duty enough
[21:01:53] <Tom_itx> they fuse metals like that
[21:02:04] <Tom_itx> dissimilar
[21:03:08] <danimal_laptop> yea, make a cynder and fill it with gun powder
[21:03:21] <danimal_laptop> have it fire down on the die
[21:03:29] <danimal_laptop> presto!
[21:03:58] <Tom_itx> they just make a form around it and put the explosive charge on top
[21:04:08] <Tom_itx> fast acting
[21:04:36] <danimal_laptop> nitrous
[21:05:16] <Tom_itx> yeah that fertilizer crap
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[21:10:53] <Tom_itx> http://www.youtube.com/watch?v=fGi0w7ycRKk
[21:11:18] <Tom_itx> lots of it
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[21:14:54] <JaegerBar> how much do you think it should cost to make a die for a simple conical shape of stainless steel
[21:15:29] <JaegerBar> in other words, i would start with a circular piece of stainless steel
[21:15:48] <JaegerBar> and press it into a conic trough
[21:16:24] <JaegerBar> like those cheap little cups that you see with water dispensers
[21:17:43] <Tom_itx> you need release springs, cork, guide dowel pins longer than the mold part and 2 mating parts with clearance for the metal
[21:18:04] <JaegerBar> the guy at the rapid prototyping said it could cost as much as $20,000
[21:18:12] <Tom_itx> he's right
[21:18:17] <JaegerBar> but then he said he'd also need to see a solidworks model
[21:18:22] <JaegerBar> it made me angry hearing $20k
[21:18:27] <danimal_laptop> welcome to manufacturing
[21:18:46] <Tom_itx> we did some small ones for stamping sheet metal
[21:18:51] <Tom_itx> it was flat though
[21:19:18] <Tom_itx> you need a relief cut on the die part that trims the mold
[21:19:38] <danimal_laptop> wire edm
[21:19:43] <Tom_itx> and a small flat at the top so it can be resharpened
[21:19:56] <danimal_laptop> with u/v movement
[21:20:04] <Tom_itx> |
[21:20:08] <Tom_itx> \
[21:20:08] <alex4nder-> hey
[21:20:12] <Tom_itx> \
[21:20:41] <Tom_itx> then you have room to surface grind the top to sharpen it
[21:21:16] <danimal_laptop> yep
[21:21:47] <Tom_itx> we would close it in the press first to mate the halves then flame harden the edge
[21:21:51] <JaegerBar> manufacturing is tough
[21:21:59] <Tom_itx> alot of processes
[21:22:20] <danimal_laptop> JaegerBar: just offer to trade for your scooter
[21:22:21] <JaegerBar> i really appreciate now those stainless water bottles they've been selling
[21:22:24] <JaegerBar> lol
[21:22:26] <Tom_itx> heh
[21:22:36] <JaegerBar> nah i gotta keep that scooter, it's too much of a thrill ride for me
[21:23:00] <JaegerBar> shifting gears on a real motorcycle also bores me
[21:23:21] <alex4nder-> ...
[21:23:44] <Tom_itx> Danimal_garage i wonder how much force it would take to stamp the ti blanks you machine
[21:24:08] <danimal_laptop> a lot
[21:24:17] <Tom_itx> i know
[21:24:19] <Tom_itx> :)
[21:24:42] <Tom_itx> i bet it would shake your neighbors house
[21:24:56] <danimal_laptop> my dog keeps thinking the keyboard on my laptop is a suitable place to rest her head
[21:25:06] <danimal_laptop> yea im sure
[21:25:12] <JaegerBar> So Danimal are you gonna be keeping that CNC gantry router?
[21:25:43] <danimal_laptop> give me 1k for it and it's yours.
[21:25:47] <Tom_itx> next time he's by here he's gonna drop it off
[21:26:04] <JaegerBar> and you're gonna give him a $500 tip for extra services too right?
[21:26:12] <JaegerBar> shut up TOM
[21:26:15] <JaegerBar> you're a tease
[21:26:17] <danimal_laptop> but i dont want a million questions
[21:26:22] <Tom_itx> just business
[21:26:31] <Loetmichel> hrhr
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[21:26:42] <Tom_itx> yeah a million questions would drive the price up
[21:27:03] <Loetmichel> Danimal_garage: what kind of servos has it?
[21:27:17] <danimal_laptop> not sure of the brand
[21:27:21] <Loetmichel> KIND
[21:27:24] <JaegerBar> Danimal, i'm a business man, once i buy something the transaction is over. anything further would be a separate business deal
[21:27:26] <danimal_laptop> not sure
[21:27:36] <JaegerBar> are they brushed or brushless though?
[21:27:47] <danimal_laptop> no clue, probably brushed
[21:27:56] <danimal_laptop> never looked at them
[21:28:05] <Tom_itx> prolly doesn't matter if it works
[21:28:05] <danimal_laptop> they're behind covers
[21:28:32] <danimal_laptop> the servos and drives were already wired when i got it
[21:28:40] <alex4nder-> danimal_laptop: if I buy it, how long does the support contract last?
[21:28:48] <alex4nder-> and what's your return policy
[21:28:50] <Tom_itx> till it's in your truck
[21:28:58] <alex4nder-> danimal_laptop: do you finance?
[21:28:58] <danimal_laptop> till its in your car
[21:29:07] <alex4nder-> what kind of interest rates apply
[21:29:32] <Tom_itx> does it come with a product liability contract with it?
[21:29:37] <danimal_laptop> yes, 100% down, $30 a week, with 6 personal references and a copy of your last pay stub
[21:29:45] <Tom_itx> and cc no
[21:29:48] <Tom_itx> with pin
[21:29:53] <danimal_laptop> for the rest of your life
[21:31:27] <Loetmichel> harhar, i think this gets a bit out of hand here ;-)
[21:31:33] <danimal_laptop> lol
[21:31:53] <danimal_laptop> JaegerBar: if you want it, come get it
[21:31:53] <Loetmichel> do you have a photo of it?
[21:32:12] <Loetmichel> where one can see more than a moving Suhner?
[21:32:16] <Tom_itx> 2 youtube videos
[21:32:17] <danimal_laptop> i do somewhere, not on this computer though
[21:32:20] <JaegerBar> yeah do you have any more photos because i barely could see it in the youtube
[21:32:39] <danimal_laptop> JaegerBar: yea give me a little bit, they're on the server
[21:32:44] <danimal_laptop> gotta remember the url
[21:32:44] <JaegerBar> no rush man....
[21:32:47] <Tom_itx> hell the servos and drives are worth that
[21:33:02] <Loetmichel> oh, i've seen only the one with the engraving on the chain blade
[21:33:09] <Loetmichel> is there another one?
[21:33:17] <Tom_itx> the other one is a dry run
[21:33:25] <Tom_itx> same idea
[21:33:42] <Loetmichel> ant there is more of the gantry in the picture?
[21:33:44] <Loetmichel> and
[21:34:12] <Tom_itx> don't remember
[21:34:35] <Tom_itx> links are in the logs
[21:34:41] <Tom_itx> last couple days prolly
[21:36:03] <Tom_itx> http://www.youtube.com/user/isuckatriding?feature=mhee#p/a/u/2/2HdA2myl_oQ
[21:36:05] <Tom_itx> http://www.youtube.com/user/isuckatriding?feature=mhee#p/a/u/1/k_oQmzgqONU
[21:36:09] <Tom_itx> see what those are
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[21:37:37] <danimal_laptop> http://www.homebrewedcomponents.com/machine_pics/mini mill/mini mill 4.jpg
[21:37:59] <danimal_laptop> http://www.homebrewedcomponents.com/machine_pics/mini%20mill/mini%20mill%204.jpg
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[21:38:02] <alex4nder-> that thing is pretty sweet
[21:38:09] <danimal_laptop> http://www.homebrewedcomponents.com/machine_pics/mini%20mill/mini%20mill%203.jpg
[21:38:16] <danimal_laptop> http://www.homebrewedcomponents.com/machine_pics/mini%20mill/mini%20mill%202.jpg
[21:38:27] <danimal_laptop> http://www.homebrewedcomponents.com/machine_pics/mini%20mill/mini%20mill%201.jpg
[21:38:48] <alex4nder-> does the lamp come with it?
[21:38:54] <alex4nder-> because if not, I'm not guying.
[21:38:56] <alex4nder-> buying
[21:39:23] <danimal_laptop> ha
[21:39:43] <danimal_laptop> those pics are old, i have better ones, trying to find them
[21:40:11] <danimal_laptop> well shit, that was easy... http://www.flickr.com/photos/66828621@N02/sets/72157627400301803/
[21:41:40] <danimal_laptop> didnt realize they were on flickr
[21:41:46] <alex4nder-> danimal_laptop: did you build that tooling plate yourself?
[21:41:56] <danimal_laptop> yes
[21:42:00] <alex4nder-> nice
[21:42:17] <Tom_itx> essential
[21:42:47] <danimal_laptop> it's precision ground aluminum plate, 5/8" thick i think. it has leveling jack screws on 4 corners so you can indicate it in
[21:42:59] <danimal_laptop> thanks
[21:43:23] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/boards/USBTiny_Mkii/Boxes/milling1.jpg
[21:43:27] <Tom_itx> everybody needs one
[21:43:41] <Tom_itx> i since replaced that one with a 1" plate
[21:43:43] <danimal_laptop> nice
[21:44:15] <danimal_laptop> mine has 1/2"-13 threads. a little overkill but i wanted to use the fixtures i had
[21:44:29] <Tom_itx> 10-32 iirc :)
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[21:44:52] <Tom_itx> whatever sherline uses
[21:44:54] <danimal_laptop> http://www.flickr.com/photos/66828621@N02/6083619614/in/set-72157627400301803/
[21:45:08] <danimal_laptop> sherline is local to me
[21:45:45] <Tom_itx> it does those boxes fine
[21:45:46] <danimal_laptop> that engraved rectange in the base plate is the travel of the machine
[21:46:03] <JaegerBar> just curious where did you obtain this beast danimal?
[21:46:18] <danimal_laptop> where one obtains everything.
[21:46:22] <JaegerBar> surplus?
[21:46:23] <danimal_laptop> craigslist
[21:46:25] <Tom_itx> iirc i have 9" travel in x and the plate was a bit over 10" and i machined it on the sherline
[21:46:29] <JaegerBar> oh ok.........
[21:46:32] <Tom_itx> that was fun
[21:46:40] <danimal_laptop> ha nice
[21:47:11] <danimal_laptop> speaking of, since i have the pictures, i should post it up on craigslist
[21:47:12] <Tom_itx> that's gettin your money's worth
[21:48:30] <JaegerBar> dangit
[21:48:34] <JaegerBar> i'm running out of time on this
[21:48:47] <JaegerBar> Danimal is really putting the pressure on me
[21:50:07] <Tom_itx> is that the only one in the world?
[21:50:12] <danimal_laptop> yep
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[21:50:37] <Tom_itx> self inflicted pressure i think
[21:50:37] <danimal_laptop> JaegerBar: i'm just posting it before i forget where the pictures are again.
[21:50:55] <JaegerBar> hahaha
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[21:51:32] <JaegerBar> i'm not sure this will fit in my car even
[21:51:41] <Tom_itx> sure it will
[21:51:43] <JaegerBar> i have a little wuss car
[21:51:45] <Tom_itx> tie it to the top
[21:51:59] <danimal_laptop> lol
[21:52:11] <danimal_laptop> i'll deliver it for $25
[21:52:19] <Tom_itx> to me?
[21:52:31] <Tom_itx> what a bargain
[21:54:20] <danimal_laptop> ha
[21:54:33] <JaegerBar> actually with the way my parents are right now i better make sure it fits in my car and keep it in there for a while to hide it
[21:54:43] <JaegerBar> i have a prius it might fit
[21:54:57] <JaegerBar> but the hatchback area doesn't seem to support much weight
[21:55:09] <JaegerBar> does it weigh more than 300 lbs?
[21:56:12] <Loetmichel> hmmm...
[21:56:29] <JaegerBar> i'm so proud of my Prius, let's all go GREEN guys
[21:57:11] <Loetmichel> why have i suddenly the image of a freshman with thick glasses living in his parents basement for JaegerBar? ;-)
[21:57:23] <JaegerBar> hahahaha i am
[21:57:35] <JaegerBar> i am a nerdy punk
[21:57:49] <Loetmichel> .... lets call him "xander" ;-)
[21:57:50] <JaegerBar> unfortunately we don't have basements much in california
[21:57:53] <JaegerBar> lol
[21:57:54] <Loetmichel> (ups, no glasses)
[21:58:43] <Loetmichel> JaegerBar: from a germans viewpoint: no houses, either, just 1:1 plywood models of houses ;-)
[21:58:52] <danimal_laptop> JaegerBar: i dont think it weighs more than 200
[21:58:59] <danimal_laptop> maybe 250 max
[21:59:32] <danimal_laptop> i have it on a cheap desk
[21:59:50] <JaegerBar> lol michel
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[22:04:19] <alex4nder-> Loetmichel: every german I've ever met comes to california, and immediately makes comment about the glass used in houses, or the insulation
[22:04:33] <alex4nder-> without fail
[22:05:14] <JaegerBar> and how many germans have you met
[22:05:17] <JaegerBar> zero or one?
[22:05:27] <alex4nder-> several hundred at this point
[22:05:37] <alex4nder-> but only about 30 or 40 in california
[22:06:18] <danimal_laptop> JaegerBar: http://sandiego.craigslist.org/nsd/tls/2744960848.html
[22:06:22] <alex4nder-> if you put them in a room together, and get them talking about insulation, they'll do it for 10-15 minutes.
[22:07:09] <danimal_laptop> lol
[22:07:21] <JaegerBar> thanks for putting it up for $1000 Danimal =) you bought me some time
[22:07:28] <JaegerBar> i mean $1500
[22:07:37] <alex4nder-> $1500 is a steal
[22:07:44] <alex4nder-> especially with all that gear
[22:07:56] <danimal_laptop> it'll sell
[22:08:04] <alex4nder-> danimal_laptop: you ever used sprutcam?
[22:08:08] <danimal_laptop> nope
[22:08:54] <JaegerBar> it has tooling plate base? or aluminum?
[22:08:58] <danimal_laptop> ha, wow, already got an email on it
[22:09:00] <JaegerBar> (i thought tooling plate was steel)
[22:09:06] <alex4nder-> danimal_laptop: damn
[22:09:07] <JaegerBar> holy shit.......
[22:09:15] <JaegerBar> wait lemme go down to the bank
[22:09:25] <danimal_laptop> the machine is steel, the baseplate is 5/8" thick precision ground aluminum
[22:09:41] <JaegerBar> crap you're gonna sell it
[22:09:46] <danimal_laptop> that baseplate was about 4200 just for the material
[22:09:53] <Loetmichel> alex4nder-: That may have the reason that a califonian house wouldn't be adequate in german climate
[22:09:54] <danimal_laptop> $200
[22:09:55] <JaegerBar> dude just take the guy who offers $1500. i feel bad taking it for $1000 now
[22:09:57] <danimal_laptop> not 4200
[22:10:14] <alex4nder-> Loetmichel: yah, it wouldn't be at all.. Californian construction is usually garbage
[22:10:41] <alex4nder-> Loetmichel: they have to survive an earthquake, and most people don't spend enough money on construction
[22:10:42] <danimal_laptop> ha, i cant believe specialized sent me cad files of their parts
[22:10:52] <alex4nder-> haha, did you just ask them for them?
[22:10:54] <danimal_laptop> didnt think they'd go for that
[22:10:55] <danimal_laptop> yes
[22:10:57] <alex4nder-> laf
[22:10:58] <JaegerBar> lolol you can copy specialized parts now
[22:11:00] <alex4nder-> that's really surprising.
[22:11:08] <JaegerBar> hilarious
[22:11:12] <Loetmichel> alex4nder-: a german house survives a earthquake, too
[22:11:13] <danimal_laptop> JaegerBar: i make stuff for them
[22:11:20] <JaegerBar> Oh ok.....
[22:11:21] <alex4nder-> Loetmichel: please.
[22:11:29] <Loetmichel> its just a little bit more expensive ;-)
[22:11:30] <alex4nder-> Germans have never seen a real earthquake.
[22:11:35] <danimal_laptop> i'm making parts for the monster/specialized downhill team
[22:11:55] <Loetmichel> last time was 6.8 on the richter this year...
[22:11:57] <Loetmichel> ;-)
[22:11:57] <JaegerBar> i feel really bad Danimal taking it for $1000 if some guys gonna offer your full asking price
[22:12:11] <JaegerBar> if that guy low balls you lemme know, i'll come in with $1000
[22:12:23] <alex4nder-> Loetmichel: that's pretty serious actually, when was this?
[22:12:36] <Loetmichel> o sorry
[22:12:44] <Loetmichel> 4,6 not 6,8
[22:12:48] <alex4nder-> oh
[22:12:49] <JaegerBar> lol
[22:13:01] <alex4nder-> Loetmichel: yah, it's logarithmic, so that's a pretty major difference
[22:13:21] <danimal_laptop> just come with 1k, cash talks, bs walks. besides, the price i gave you is without the mesa 5i20
[22:13:29] <JaegerBar> Danimal i'm sorry but i need to take money out of my ETrade account
[22:13:35] <JaegerBar> so the money can't be seen till next week
[22:13:45] <Loetmichel> '92 was the last with 6,0
[22:13:50] <JaegerBar> yeah i bet you're gonna sell it for $1500 haha
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[22:13:58] <Loetmichel> and even there was noting wild happened
[22:14:03] <alex4nder-> danimal_laptop: I'm going to send you a cashiers check for $3k, please send me the mill, and $1.5k in change.
[22:14:14] <danimal_laptop> no problem alex4nder-
[22:14:26] <danimal_laptop> tom offered the same thing but a 20k check
[22:14:29] <JaegerBar> wait you were gonna sell it to me without the control boards .....
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[22:15:08] <JaegerBar> Is the mesa 5i20 needed to control each axis
[22:15:10] <Loetmichel> alex4nder-: that would be TOO simple ;-)
[22:15:20] <Loetmichel> the check
[22:15:24] <alex4nder-> haha
[22:16:46] <danimal_laptop> the only thing i'd consider keeping is the 5i20, and yes, you'll need one or something like it.
[22:16:51] <Loetmichel> alex4nder-: but the german type of erecting a building can stand much more
[22:16:58] <danimal_laptop> that's about $200
[22:17:03] <alex4nder-> Loetmichel: I belive it
[22:17:09] <danimal_laptop> the 1k is without the 5i20
[22:17:17] <alex4nder-> +e
[22:17:27] <danimal_laptop> i was going to use it in my new mill
[22:17:33] <JaegerBar> k
[22:17:34] <Loetmichel> IIRC any building in germany has to be calculated to withstand AT LEAST 7.5 richter
[22:17:37] <JaegerBar> well hmm
[22:18:00] <danimal_laptop> the other mesa cards are included so that's about $190 in cards you're getting
[22:18:15] <danimal_laptop> which you'd need anyways
[22:18:29] <JaegerBar> well since i can't get the money till next week i'll have to think on it
[22:18:38] <JaegerBar> i'm sure you'll that in a hurry for $1500
[22:18:38] <Loetmichel> and being germans: nobody here can build a house without an architect and a permit. which you only get if the Building plans are send in to the "amt"
[22:18:39] <danimal_laptop> plus all the tuning is done for you. it's a turn-key machine
[22:18:54] <alex4nder-> Loetmichel: well that's true in california as well.. it's not all completely half-assed
[22:19:07] <danimal_laptop> cant you ask your dad for an advance on your allowance? :)
[22:19:15] <JaegerBar> rofl
[22:19:27] <JaegerBar> you're a tease too
[22:19:43] <JaegerBar> i do'nt think my parents ever gave me an allowance
[22:19:55] <danimal_laptop> just a credit card?
[22:19:57] <JaegerBar> it was always like $5 for cutting the lawn
[22:20:07] <Loetmichel> Danimal_garage: am I gladt that my "allowance" is payed by my boss, not my wife ;-)
[22:20:08] <alex4nder-> is it worth it to have a copy of Machinery's Handbook? I need some speed/feed reading material
[22:20:34] <danimal_laptop> alex4nder-: you're better off getting that info from the tool manufacturer
[22:20:58] <Loetmichel> or from a general list on 2 A4-sheets
[22:21:00] <danimal_laptop> hanita has a pretty handy little book i use for general SFM and RPM info
[22:21:04] <alex4nder-> ok
[22:21:21] <Loetmichel> i have lamianted one of thos fot my drillpress and one for the Lathe
[22:21:21] <danimal_laptop> they'll probably send you one for free
[22:21:21] <alex4nder-> I've got some no-name chinese HSS 4 flute endmills in different diameters that I'm trying to figure out how to use properly
[22:21:31] <Loetmichel> and one for the mill
[22:21:52] <danimal_laptop> havent used hss in a decade lol
[22:22:02] <alex4nder-> yah, well I'm a noob
[22:22:10] <alex4nder-> I break things before I make them work
[22:22:19] <danimal_laptop> nice
[22:22:35] <alex4nder-> which makes me even happier buying the tiag
[22:22:39] <alex4nder-> er taig
[22:23:53] <danimal_laptop> rpm is surface feed per minute * 3.82/diameter
[22:24:27] <Loetmichel> alex4nder-: its just a matter of Vc and Vz for the material and Tool and then some calculating for rpm and feed for the actual tol diamater and flutes
[22:24:29] <danimal_laptop> so if you can find the sfm for whatever material you're cutting with the type of tool you have, you can figure it out for the diameter of tool
[22:25:09] <alex4nder-> so if it's like 7075-T6 it'd be like 250-300?
[22:25:44] <danimal_laptop> about there
[22:25:47] <JaegerBar> where can i buy a mesa 5i20
[22:25:52] <danimal_laptop> 250-300sfm
[22:25:55] <JaegerBar> i do'nt see it on mesanet.com
[22:26:01] <danimal_laptop> they're on there
[22:26:07] <danimal_laptop> it's a fpga board
[22:27:10] <danimal_laptop> click the tab that says anything i/o fpga cards
[22:27:24] <danimal_laptop> it's halfway down that page
[22:28:03] <JaegerBar> yeah i saw it on the pricelist
[22:28:11] <JaegerBar> damnit it's $199
[22:28:19] <danimal_laptop> yea i said that
[22:28:33] <JaegerBar> it's only offered in PCI
[22:28:39] <JaegerBar> not PCIe
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[22:28:49] <danimal_laptop> yea, the computer that comes with it is pci
[22:29:22] <danimal_laptop> just insert card, plug in 2 ribbon cables, machine parts
[22:29:48] <danimal_laptop> eat sandwhich
[22:29:55] <alex4nder-> profit
[22:30:07] <danimal_laptop> steal underwear
[22:30:13] <alex4nder-> yes
[22:30:17] <danimal_laptop> then profit
[22:30:22] <alex4nder-> ???
[22:30:26] <danimal_laptop> lol
[22:30:32] <danimal_laptop> you know how it works
[22:30:52] <alex4nder-> I've got a gnome MBA.
[22:30:59] <danimal_laptop> nice
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[22:43:24] <mrsun> http://oandgindustries.com/images/Sine-Vice.jpg are these kind of vices regid enough to do milling while its in the angle or is it just to hold the angle over several times? :)
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[22:47:26] <JaegerBar> oh please toss in that 5i20 mesa board and i'll pay you $1050
[22:47:39] <Danimal_garage> no
[22:47:47] <Danimal_garage> then i'll have to buy one
[22:47:57] <JaegerBar> k
[22:48:03] <Danimal_garage> 1200 with it
[22:48:19] <JaegerBar> does the computer include the monitor
[22:48:45] <Danimal_garage> possibly
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[22:53:22] <mrsun> http://www.sailmahalo.com/picture_collections/Tools/vise_collection/small/vos2.jpg a little bit of weld will fix er right up
[22:56:23] <jdhNC> how do you miss that many times?
[22:57:29] <Danimal_garage> drill vice
[22:58:59] <elmo40> hey people. 1600Watt laser, enough to cut up to what thickness mild steel? 1/8? 3/16?
[22:59:03] <macpod> How do you miss that bad :D
[22:59:19] <Eartaker> dont drink and drill...
[22:59:22] <Eartaker> lol
[22:59:25] <macpod> It looks like it was hit by asteroids
[22:59:36] <macpod> Oh, or is that molten metal pitting
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[22:59:58] <macpod> nope
[23:01:30] <elmo40> mrsun: lol, nice vice. i used to work in a shop that had one with dozens of slots made into it. milling setup guy was a moron :P
[23:03:24] <mrsun> hehe =)
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[23:20:19] <Gast178> howdy
[23:20:35] <Gast178> testing mospjirc, seems to be working just fine
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[23:21:36] <alex_joni> seems to be working ok
[23:25:38] <JT-Shop> sweet!
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[23:27:20] <elmo40> joomla irc ?
[23:28:05] <Tom_itx> Danimal_garage does the kitchen sink come with it too?
[23:28:25] <Tom_itx> how about tooling?
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[23:29:01] <BigJohnT> hund
[23:29:26] <BigJohnT> hmmm puppy did not show up in chatzilla
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[23:29:39] <elmo40> puppy?
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[23:30:21] <JT-Shop> hund shows up as a puppy when using the irc client on linuxcnc.org
[23:30:36] <danimal_laptop> lol weird
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[23:35:43] <packrat> so, anyone here have experience reading prints and the like for part designs?
[23:35:57] <Danimal_garage> yes
[23:36:02] <Tom_itx> we better
[23:36:10] <packrat> hehe, pick your brains for a minute?
[23:36:31] <packrat> can I do so, that is
[23:36:43] <packrat> well, fuck it, imma ask anyway.
[23:36:57] <Tom_itx> good i was getting impatient
[23:37:48] <Danimal_garage> lol
[23:39:30] <JT-Shop> dang wireless keyboard works with the thingy inside the electrical cabinet and the metal cover on :)
[23:39:46] <packrat> so say i have a part with a m5 threaded stud (approx 4mm long). This is adjacent to a shaft of larger diameter. the purpose of the design is to have it screw in such that the face of the larger shaft is tightened to the face with the threaded hole
[23:39:54] <Tom_itx> maybe if you beef it up you can cut metal with it
[23:40:02] <packrat> hope that makes sense
[23:40:04] <JT-Shop> packrat: I have experiance making prints
[23:40:29] <packrat> uh, anyway, so i just just a basic threaded callout for the entire length of the stuf
[23:40:30] <Danimal_garage> lol JT-Shop i have one like that too
[23:40:30] <packrat> stud*
[23:41:18] <packrat> but, when we got the parts, the shop obviously didnt thread all the way. im guessing there is a practical reason they did not do so, but i would like to understand how i can work around this
[23:41:28] <andypugh> If you think it might be ambiguous, why not use a long, clear, explanation in a note?
[23:41:38] <JT-Shop> Dan, I would have thought it would not work but glad I don't have to waste a 6' USB extension to hang it out in the air
[23:41:59] <andypugh> Ah, right, they didn't make the part how you imagined it?
[23:42:26] <JT-Shop> threading up to a shoulder is not normal unless called out
[23:42:36] <packrat> ah, right
[23:42:38] <packrat> shoulder
[23:42:39] <packrat> derp
[23:42:53] <packrat> should i just say "thread to shoulder"?
[23:43:09] <andypugh> Threading right to a shoulder is pretty much impossible.
[23:43:22] <packrat> i figured
[23:43:24] <JT-Shop> yes, but there is a practical limit how close you can get
[23:43:24] <andypugh> (Certainly with a manual machine)
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[23:43:57] <packrat> so, obviously, what is the reasonable workaround? chamfer on the inside of the threaded hole?
[23:44:01] <andypugh> A female thread and a stud would give you what you sound to need.
[23:44:05] <JT-Shop> packrat: what I do is make a chamfer in the female part
[23:44:15] <packrat> righto
[23:44:18] <JT-Shop> at least one thread deep
[23:44:18] <andypugh> Or a washer
[23:44:48] <packrat> well, i would greatly prefer not to involve more than the two parts
[23:45:09] <danimal_laptop> or an undercut on the male threads near the shoulder
[23:45:24] <danimal_laptop> but that is weaker to some extent
[23:45:26] <packrat> what is a reasonable distance from the shoulder that i can expect?
[23:45:27] <JT-Shop> chamfer or undercut next to the shoulder so last thread is full depth
[23:45:33] <andypugh> Then a counterbore or chamfer is what you need. A counterbore will give better location too.
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[23:46:11] <packrat> m5x0.8
[23:46:19] <packrat> if thats variable, then nm
[23:46:19] <JT-Shop> we all seem to be saying the same thing so I'm going back to the keyboard mount for the lathe
[23:46:26] <danimal_laptop> lol
[23:46:32] <andypugh> packrat: It depends on the tooling being used, and whether it is a manual or CNC lathe
[23:46:32] <danimal_laptop> JT-Shop: keyboard?
[23:46:37] <danimal_laptop> no touchy?
[23:46:38] <packrat> haha, well, thanks folks
[23:46:50] <packrat> just wanted to make sure i got best practice and all that
[23:48:19] <andypugh> You might need to talk to the guys making it. They will be very much trying to avoid touching the shoulder with the tool, and even a CNC lathe needs some time to stop the Z motion while withdrawing the cutter.
[23:48:27] <JT-Shop> no, I'm spoiled by ngcgui
[23:48:44] <packrat> heh
[23:48:45] <danimal_laptop> JT-Shop: do you at least have a touch screen?
[23:48:53] <packrat> :talk to the guys making it:
[23:48:55] <packrat> :china:
[23:48:56] <packrat> :lol:
[23:48:57] <JT-Shop> not atm
[23:49:02] <danimal_laptop> the touch screen acts just like a mouse
[23:49:13] <JT-Shop> yea, that is a good idea
[23:49:34] <danimal_laptop> i think there is a virtual keyboard for touch screens too
[23:49:39] <JT-Shop> gotta get one then
[23:49:53] <JT-Shop> I like the real keyboards
[23:50:01] <danimal_laptop> JT-Shop: they're cheap on ebay, i got 2 for about $60 each
[23:50:08] <JT-Shop> be like my VMC with a keyboard under the monitor
[23:50:11] <andypugh> packrat: To a large extent they will make what they want to make, then swear blind that is what the drawing says.
[23:50:20] <danimal_laptop> pannel mount ones
[23:50:44] <danimal_laptop> JT-Shop: i think i'm going to have a slide out or swing down keyboard
[23:50:50] <packrat> haha
[23:51:02] <danimal_laptop> something thats out of the way when i'm not using it
[23:51:19] <danimal_laptop> knee mills + coolant + keyboards suck
[23:51:57] <JT-Shop> I have a swing out tv mount that holds 5.75 stone
[23:53:05] <danimal_laptop> stone lol
[23:53:11] <JT-Shop> http://i47.photobucket.com/albums/f163/johnplctech/Machine%20Shop/HPIM0599.jpg
[23:53:30] <JT-Shop> that's how they did the Anilam conversion, notice keyboard on top of monitor
[23:54:15] <andypugh> I have a stainless "kiosk" vandal-proof keyboard that seems to be surviving OK.
[23:55:01] <andypugh> 5.75 stone? That won't even hold my sister. (who is especially tiny)
[23:55:22] <JT-Shop> there is a keypad to the right you can't see and you can do everything there but the keyboard is faster
[23:55:52] <danimal_laptop> cool
[23:56:12] <JT-Shop> but the monitor is up and out of the way a bit
[23:56:15] <danimal_laptop> i made a plate under my monitor and i stick the keyboard to it with double sided foam tape
[23:56:39] <danimal_laptop> the keyboard has a little joystick thingie
[23:56:42] <JT-Shop> that is kinda my plan but with a lip in front
[23:56:44] <andypugh> (For all my ranting about you and your Imperial units, people stil get measured in Stones, Feet and Inches in my world)
[23:57:08] <danimal_laptop> andypugh: do you guys still use mph? they always use it on top gear
[23:57:16] <JT-Shop> I had to use the "every weight conversion" to find stone lol
[23:57:23] <andypugh> Yes, distances are in miles, speeds in mph
[23:57:41] <JT-Shop> brb
[23:58:20] <danimal_laptop> i didnt know that andypugh
[23:58:28] <danimal_laptop> so how about that sister
[23:58:47] <danimal_laptop> pics?
[23:58:51] <andypugh> I posted a picture of her welding some time ago. (I think)
[23:58:53] <danimal_laptop> :)
[23:58:57] <danimal_laptop> ah
[23:59:05] <danimal_laptop> just teasing
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