#linuxcnc | Logs for 2014-11-01

[00:00:04] <ssi> so they want you to predeclare that stuff
[00:00:09] <ssi> if you document it beforehand they'll cover it
[00:00:09] <zeeshan> ah
[00:00:12] <andypugh> They expect you to have jewellry declared separately
[00:00:12] <ssi> but of course I had none of that
[00:00:19] <ssi> similarly they have a $200 sublimit on cash
[00:00:27] <ssi> cause it's WAY to easy to say "I had $5000 in cash in there!"
[00:00:29] <Jymmm> zeeshan: For jewlery, art, firearms, cameras, etc you need to get an additional blanket.
[00:00:37] <andypugh> I could normally lose that much in heavy rain...
[00:00:38] <zeeshan> i didnt know that
[00:00:38] <ssi> fortunately, all my firearms and gold and cash was in my safe
[00:00:39] <zeeshan> good to know
[00:00:41] <ssi> and it's all fine
[00:00:48] <ssi> but I had some jewelry that was burned up
[00:00:50] <ssi> my grandfather's watch
[00:00:53] <ssi> but I found it today
[00:00:58] <andypugh> :-(
[00:01:04] <ssi> Jymmm: cameras aren't sublimited fortunately
[00:01:07] <ssi> had a lot of money in camera gear
[00:01:09] <Jymmm> zeeshan: I had a $3500 banket on my camera alone, only added $8/year to the policy.
[00:01:39] <ssi> https://pbs.twimg.com/media/B1UGw0UIgAAtpRD.jpg
[00:01:49] <ssi> andypugh: I may be able to get it restored actually
[00:01:49] <zeeshan> ssi
[00:01:54] <zeeshan> what if the shit that got burned
[00:01:57] <zeeshan> is half burned
[00:02:02] <zeeshan> can they still sublimit you?
[00:02:04] <ssi> zeeshan: I dunno how that works
[00:02:09] <ssi> but I think yes they can
[00:02:12] <zeeshan> cause you can physically se the damn item
[00:02:32] <andypugh> I have my grandfathers watch. I never wear it, but it’s nice to have. It’s a strange watch where the strap is fastened to the back, not the front. One day the whole watch (except strap and back) fell out. And turned up in his car seat 4 years later.
[00:02:55] <ssi> haha
[00:03:00] <ssi> this one is a '40s omega seamaster
[00:03:03] <ssi> it's a really nice watch
[00:03:05] <ssi> exceptionally thin
[00:04:05] <ssi> I think overall I'm going to come out pretty ok
[00:04:14] <ssi> it would have been a disaster if the safe hadn't made it
[00:04:21] <ssi> $60k out the window that they wouldn't have insured
[00:04:26] <ssi> I need to get a rider next time around
[00:06:26] <andypugh> My grandad’s watch is an Omega too, I just got it out. One of these, I reckonhttp://tempussuisse.com/shop/gents-watches-sold/omega-gents-vintage-watch-c1960s/
[00:06:56] <ssi> nice
[00:06:59] <ssi> not dissimilar to mine
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[00:07:06] <ssi> but mine has the gold stretchy band
[00:07:30] <andypugh> On the back “Presented to E P Pugh by the diectors of BBA Group in appreciation of 25 years loyal service 1947-1972"
[00:07:44] <ssi> :D
[00:07:52] <ssi> that's a tradition I'm sad to see go by the wayside
[00:08:52] <andypugh> If my dad hadn’t retired 2 years early he would have done 50 years at the same comapny!
[00:09:25] <ssi> dang
[00:09:26] <CaptHindsight> you don't hear about that anymore
[00:09:28] <andypugh> Started at 15 as an Apprentice at David Brown Gears, and retired from Service Manager.
[00:09:50] <andypugh> That’s partly why I like making gears.
[00:10:01] <andypugh> DB make good gears. And ver, very, big ones.
[00:10:33] <Tom_itx> you've had quite a few interesting jobs i'd say
[00:12:21] <andypugh> This is a silly small picture, but there is one gear and 2 people in that picture: http://www.pandct.com/images/news/TN17180_GJG_2730a.jpg
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[00:41:39] <zeeshan> i'm confused on how to power up the 7i77
[00:44:53] <zeeshan> oh
[00:44:56] <zeeshan> vin power source
[00:45:08] <zeeshan> basically it allows you to run all the field i/o drivers at 24VDC
[00:45:15] <zeeshan> or you can have some at 5v and some at 24vdc
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[00:49:20] <zeeshan> is it bad to use the computer power supply's 5v rail
[00:49:28] <zeeshan> to power the external 5v power on the 7i77? :p
[00:50:34] <LeelooMinai> zeeshan: I am wiring it now and I decided to just use 12V eternal wall wart (from old router) for field power - that is to control relays, limit switches, fan, etc.
[00:50:38] <andypugh> There is a jumper for that, I think
[00:50:47] <zeeshan> yea andypugh
[00:50:55] <zeeshan> i need to give it external power cause the scales might consume too much power
[00:51:02] <zeeshan> more than the 750 ma the pci can provide i think..
[00:51:13] <zeeshan> LeelooMinai: i have 24vdc for field pwoeer
[00:51:30] <zeeshan> im talking about TB1
[00:51:37] <zeeshan> which powers up 5v analog , encoder signals
[00:51:40] <LeelooMinai> zeeshan: So I will hve one separate psu for stepper drivers, one for this field io, and I think 7i77 can just take power from the FPGA card inside the PC
[00:52:12] <LeelooMinai> Hmm, or I may have 7i76... damn, forgot now:)
[00:52:20] <zeeshan> you have 7i76 prolly
[00:52:23] <zeeshan> cause you're running step dir
[00:53:06] <LeelooMinai> Ok, right, checked and it's 7i76 - the one with stepper drivers and some spindle speed control
[00:53:14] <LeelooMinai> stepper io*
[00:53:47] <Tom_itx> hope the walwart is well regulated
[00:54:02] <zeeshan> in the manual 7i77 it says if encoder , analog signals for servos consume more than 750A
[00:54:03] <zeeshan> er
[00:54:09] <zeeshan> 750mA, then external supply is recommended
[00:54:17] <zeeshan> i'm wondering if i can just use the 5v rail from the computer supply
[00:54:31] <zeeshan> i do have another 5V smps but i dont want to use if it if i dont have to
[00:54:33] <zeeshan> cause it'll take more space
[00:54:34] <Tom_itx> i used a separate 5v SMPS
[00:54:52] <Tom_itx> you can get them from china for a couple bux
[00:54:57] <zeeshan> yes i have a meanwell
[00:54:58] <zeeshan> 60W
[00:55:07] <zeeshan> but it takes space
[00:55:11] <zeeshan> and adds extra wiring
[00:55:37] <zeeshan> i mean lets say theres a short in the 5v encoder circuit
[00:55:49] <zeeshan> my computer power supply will blow up? :p
[00:56:01] <zeeshan> but i think 7i77 has short circuit protection..
[00:56:26] <Tom_itx> but you don't wanna find out now do ya?
[00:56:30] <zeeshan> lol
[00:56:41] <zeeshan> seems like such a waste
[00:56:46] <zeeshan> running a whole supply just to power this up
[00:57:06] <LeelooMinai> zeeshan: Just throw it into your drawer with all the rest of stuff:p
[00:57:28] <zeeshan> how do you know my stuff is in drawers
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[00:57:38] <LeelooMinai> You linked a pic once:)
[00:57:41] <zeeshan> infact all my electrical stuff is in the dresser table drawers
[00:57:41] <zeeshan> hahaha
[00:57:46] <zeeshan> :D
[00:58:46] <LeelooMinai> "-- Sir, we have also this dresser in red oak coloring... -- It's ok, it's fir my CNC router, so does not matter."
[00:58:57] <zeeshan> hah
[00:59:43] <LeelooMinai> zeeshan: You should make electrical box for this stuff really:)
[01:00:21] <zeeshan> ill put it all in a fish tank
[01:00:51] <LeelooMinai> That does not sound good...
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[01:27:39] <zeeshan> LeelooMinai: i was trolling you
[01:27:43] <zeeshan> ofcourse it'll be in a metal cabinet
[01:28:05] <LeelooMinai> zeeshan: You know, after the drawers, I was not entirely sure that was a joke:)
[01:28:18] <Tom_itx> but wood is a better insulator
[01:28:24] <zeeshan> i store electronics inside my drawers
[01:28:28] <zeeshan> not actually run it in drawers?
[01:28:46] <zeeshan> like two of my drawers are transistrors and resistors
[01:28:53] <zeeshan> one drawer is power cords and power supplies
[01:29:04] <zeeshan> another is plcs and vfds
[01:29:04] <zeeshan> lol
[01:29:28] <LeelooMinai> Tom_itx: Not if it is on fire:)
[01:29:42] <zeeshan> LeelooMinai is all trolling me now
[01:29:50] <Tom_itx> LeelooMinai but you
[01:29:52] <zeeshan> cause she's got a sexy nema4 enclosure
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[01:30:01] <Tom_itx> you're not supposed to aim lasers at it!
[01:30:18] <zeeshan> you're not the only with with nema4 enclosures!!!
[01:30:21] <zeeshan> i has a 24x24
[01:30:26] <zeeshan> which will be what the vfds will go in
[01:30:36] <LeelooMinai> Right, well, it's nice and all, but I would not buy it for the original price which was $250 or so - that's crazy
[01:30:38] <andypugh> LeelooMinai: http://dominicmorrow.org/tshirts/gallery/rule-zero-do-not-be-on-fire-tshirt/
[01:30:44] <zeeshan> yea theyr enot cheap
[01:31:07] <andypugh> Actually, ssi , that shoiuld be your T-shirt
[01:31:15] <zeeshan> andypugh: mean
[01:32:00] <LeelooMinai> I bet Chinese could make similar enclosure for $30:)
[01:32:40] <zeeshan> but then it wouldnt be csa approved!
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[01:33:47] <zeeshan> http://i130.photobucket.com/albums/p252/turbozee84/null_zps945bc7db.jpg
[01:33:54] <zeeshan> after i was designing those
[01:34:24] <zeeshan> we did a crapload of testing for em
[01:34:31] <zeeshan> cause oakville hospital has fancy standards
[01:34:43] <zeeshan> well its not just oakville hospital, government of ontario
[01:34:55] <LeelooMinai> What kind of testing?
[01:35:14] <LeelooMinai> If it topples over? :)
[01:35:18] <zeeshan> haha
[01:35:19] <zeeshan> no
[01:35:37] <zeeshan> they'll do a temperature test
[01:35:42] <zeeshan> run it at max amperage
[01:35:53] <zeeshan> then simulate a clogged filter
[01:36:15] <zeeshan> the last test is short circuit test
[01:36:20] <zeeshan> which pretty much blows up the enclosure
[01:36:34] <zeeshan> we did a couple enclosures for the mining industry
[01:36:48] <zeeshan> so the enclosures were tested on a vibration table at different frequencies
[01:36:52] <andypugh> Amphibian-tastic. I know there are at least 3 toads who live around my house, and I have seen one of them in the same place 4 evenings out of 5 this week as I arrive home. But Now I just saw a nice big frog. He was moving in 2’ leaps, one neatly through the middle of a car’s alloy wheel. It was cool,
[01:37:38] <LeelooMinai> Right, I guess they do not like fires inside hospitals.
[01:38:56] <zeeshan> andypugh: i had a pet toat
[01:39:08] <zeeshan> he became my friend cause he used to meet me at the corner of my house all the time
[01:39:22] <zeeshan> survived 2 winters..
[01:39:27] <LeelooMinai> Then you stepped on it one day
[01:39:29] <zeeshan> then i found him dead
[01:39:31] <zeeshan> =/
[01:39:55] <zeeshan> i used to pet him with grass
[01:39:56] <zeeshan> lol
[01:39:58] <zeeshan> seemed to like it
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[01:50:34] <andypugh> I have picked mine up a few times to put them somewhere better/safer, but the last time I think I scared it. Don’t ask me how I know :-)
[01:51:03] <zeeshan> he pooped on your hand?
[01:51:03] <zeeshan> :D
[01:51:22] <mozmck> usually they wet :)
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[02:00:21] <andypugh> They only have one orifice, there isn’t a very great distinction.
[02:01:42] <zeeshan> stop abusing your toads!
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[02:18:31] <andypugh> Not a bad evening’s work considering that I have mainly been chatting here ans drinking wine: https://picasaweb.google.com/lh/photo/0mPF1T-HjsH6CtWown_ixNMTjNZETYmyPJy0liipFm0?feat=directlink
[02:19:30] <CaptHindsight> anyone try the rotary tables from Shars? http://www.shars.com/products/view/20207/6_Horizontal_and_Vertical_Rotary_Table_3_Slots
[02:20:49] <CaptHindsight> andypugh: what did that geometry end up being on those sloped teeth?
[02:21:14] <andypugh> 10Dp with a 0.4 profile shift
[02:24:20] <CaptHindsight> andypugh: is this the front hub? https://plus.google.com/photos/108164504656404380542/albums/5988166686519072513/6003051997208173362?pid=6003051997208173362&oid=108164504656404380542
[02:24:44] <andypugh> Yes
[02:25:07] <Tom_itx> looks like you're becoming the Ner-a-Car parts supplier...
[02:26:09] <andypugh> CaptHindsight: I like the BS0 style more. You can do angles. https://picasaweb.google.com/lh/photo/0mPF1T-HjsH6CtWown_ixNMTjNZETYmyPJy0liipFm0?feat=directlink
[02:26:30] <andypugh> Tom_itx: The least profitable business venture possible :-)
[02:26:59] <andypugh> CaptHindsight: (Available cheaper)
[02:27:04] <CaptHindsight> andypugh: is there a close up of how the front axle/spindle gets attached to the frame?
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[02:28:05] <CaptHindsight> I know it's only supports the hub on one side
[02:28:21] <andypugh> No, it’s two-sided. You can see it here: https://picasaweb.google.com/lh/photo/s9FHwfpJOcVmi2m6FE2Oj9MTjNZETYmyPJy0liipFm0?feat=directlink
[02:29:27] <andypugh> https://picasaweb.google.com/lh/photo/jAlg6wGhgnAFPlcDgEFlQNMTjNZETYmyPJy0liipFm0?feat=directlink
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[02:30:12] <CaptHindsight> is there a pic of the front hub from the other side?
[02:30:26] <zeeshan> andypugh: is your bike worth a lot :)
[02:31:26] <andypugh> They come up for sale rarely, so it’s hard to say. Possibly $10,000
[02:34:05] <skunkworks_> andypugh: again - very nice job
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[02:36:18] <zeeshan> well it looks like it's worth a lot :)
[02:36:23] <zeeshan> i was thinking around the 25-30 k range
[02:37:12] <CaptHindsight> https://plus.google.com/photos/108164504656404380542/albums/5988166686519072513/6003051997208173362?pid=6003051997208173362&oid=108164504656404380542 so does that curved piece fit through the steering knuckle and the bearing and hub?
[02:38:06] <CaptHindsight> I guess I'd just haven't seen those parts assembled up close enough
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[02:39:28] <CaptHindsight> http://upload.wikimedia.org/wikipedia/commons/8/82/Neracar_naafbesturing_1923.jpg
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[02:40:11] <CaptHindsight> http://kickstart.bikeexif.com/wp-content/uploads/2010/11/neracar-3.jpg
[02:41:04] <CaptHindsight> http://kickstart.bikeexif.com/wp-content/uploads/2010/11/neracar-3.jpg
[02:41:56] <CaptHindsight> it just didn't look like it would all fit in that unassembled pic
[02:44:11] <andypugh> The forged loop goes through the middle, then there is a very small king-pin pivot on which the steering sleeve turns. Then the bearing goes on the outside of that, and the bearing supports the hub.
[02:44:37] <CaptHindsight> I see it all now in those other pics
[02:45:23] <andypugh> It’s all quite simple because there is no front brake to worry about.
[02:45:42] <CaptHindsight> pesky brakes :)
[02:45:46] <andypugh> zeeshan: They are old, and interesting, but also very slow
[02:47:48] <andypugh> This is a fun read though, “Cannonball” Baker doing a coast-to-coast of the US run on a Ner-a-Car in 1921. http://www.motorcyclecannonball.com/index.php?option=com_content&view=article&id=268:how-i-crossed-america-on-neracar&catid=36:history-stories&Itemid=58
[02:49:05] <CaptHindsight> http://www.shars.com/products/gallery/20207/202-2002-3E.jpg/ how do you think the locks work on this?
[02:50:18] <CaptHindsight> http://www.shars.com/products/gallery/20207/202-2002-3J.jpg/
[02:50:24] <Tom_itx> looks like they pinch the rotary edge
[02:50:54] <Tom_itx> i'm nearly sure of it
[02:51:25] <CaptHindsight> I was thinking about Pete low budget indexer
[02:53:53] <CaptHindsight> Concentricity of center bore: .0008"
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[02:57:44] <CaptHindsight> http://www.shars.com/products/view/418/6quot_Standard_HorizontalVertical_Indexing_Spacer_and_Rotary_Index Maximum individual division spacing error: 25 seconds
[02:59:56] <CaptHindsight> 25 arcseconds =0.00694444444 degrees, better than I thought these would be for $800
[03:03:04] <andypugh> The thrust face is a plain-bearing cast iron face just under the clamp on those, so the clamp is almost ideally placed.
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[03:04:15] <andypugh> I have thought that by replacing the tension nut at the back with a Belville washer you could then use compressed air into the body to float the platten for rotation, and then vent the air to clamp.
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[03:11:32] <CaptHindsight> https://www.youtube.com/watch?v=KPbOEetDHdM low cost version of this turret
[03:11:44] <zeeshan> FAK!
[03:11:58] <zeeshan> got owned by hydraulic fluid
[03:11:59] <zeeshan> lol
[03:12:15] <zeeshan> i was testing out the 24v solenoid
[03:12:22] <zeeshan> with the pressure at 2000 psi
[03:12:31] <zeeshan> lets just say, a nice mist of fluid sprayed everywhere :p
[03:12:45] <zeeshan> i was expecting it :P
[03:12:58] <zeeshan> and CaptHindsight that tool changer is sexy
[03:13:03] <Connor> zeeshan: Haha :)
[03:13:24] <zeeshan> :D
[03:14:09] <zeeshan> man
[03:14:12] <zeeshan> that bar puller is NICE
[03:14:25] <Connor> Does your tool holder fit ?
[03:14:31] <CaptHindsight> whats the lowest cost jumble of parts to build something similar
[03:14:48] <zeeshan> youre prolly look at at a lot
[03:14:58] <zeeshan> =D
[03:15:06] <zeeshan> prolly in the 500 bux range
[03:15:24] <zeeshan> i noticed a problem with the design though
[03:15:40] <zeeshan> how do you use that thing when turning between centers?
[03:15:50] <zeeshan> nm
[03:15:51] <zeeshan> it'll clear
[03:16:03] <zeeshan> the other thing i was cncerned about is how far you have to stick out the work piece
[03:16:20] <zeeshan> cause the drill lengths will hit the spindle
[03:17:51] <CaptHindsight> yeah tradeoffs you have to consider
[03:18:02] <zeeshan> i dunno man
[03:18:04] <zeeshan> thats a pretty big one
[03:19:18] <zeeshan> just get a 6 axis robot
[03:19:28] <zeeshan> and make it load the tools in the quick change tool post
[03:19:28] <CaptHindsight> if you have enough travel in the cross slide it could do it all
[03:19:29] <zeeshan> :-)
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[03:19:44] <CaptHindsight> the aren't rigid enough
[03:19:53] <zeeshan> for tool loading?
[03:20:05] <CaptHindsight> holding
[03:20:08] <zeeshan> noo
[03:20:13] <zeeshan> i mean to load the tool..
[03:20:19] <zeeshan> the robot is the automatic tool changer :P
[03:20:27] <CaptHindsight> oh i see you meant just to swap out tools
[03:20:30] <zeeshan> yes
[03:20:45] <zeeshan> didnt you buy like 10 of those scara robots
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[03:21:21] <CaptHindsight> oh it's not for me, Pete was looking at options earlier today
[03:22:07] <zeeshan> http://www.ebay.ca/itm/6-DOF-Mechanical-Arm-6-Axis-3D-Rotation-Robot-Bracket-Chassis-no-servo-Robotic-/371040864054?pt=LH_DefaultDomain_0&hash=item5663c24736
[03:22:10] <zeeshan> i wonder if something like this could work
[03:22:10] <zeeshan> :D
[03:23:14] <CaptHindsight> vs a small adopted child?
[03:23:22] <zeeshan> haha
[03:23:42] <CaptHindsight> http://www.youtube.com/watch?v=sA0WDoTtTT8
[03:23:46] <zeeshan> dude i'd mount that thing on top of the spindle gear box
[03:23:56] <zeeshan> which is where is store my tools also
[03:24:01] <zeeshan> and he'd load up the tools for me!
[03:24:03] <zeeshan> problem solved
[03:24:29] <zeeshan> i'll definitely need a 7i76 for the lathe then
[03:25:02] <zeeshan> wow that kid is crazy good
[03:25:03] <zeeshan> lol
[03:25:05] <CaptHindsight> that arm is aluminum for $100
[03:25:16] <CaptHindsight> the others I've seen are just plastic
[03:25:36] <zeeshan> i wonder if it can lift upto 20 lb
[03:25:44] <zeeshan> thats more weight than it!
[03:26:17] <CaptHindsight> look at it close up, it's going to flex under it's own weight
[03:26:25] <zeeshan> lol
[03:26:34] <zeeshan> CaptHindsight: mark my words
[03:26:39] <zeeshan> 2 years from today
[03:26:46] <zeeshan> i will have a robot doing my tool changes
[03:26:51] <zeeshan> on the lathe!
[03:26:51] <WalterN> words marked on the wall
[03:27:02] <WalterN> logs are had
[03:27:05] <zeeshan> !store
[03:27:08] <CaptHindsight> heh
[03:27:28] <WalterN> a two year cron job set up to remind me, and it will ping linuxcnc
[03:27:39] <zeeshan> hahahaha
[03:27:43] <zeeshan> that's halarious
[03:28:06] <WalterN> (didnt actually do any of that, but... maybe I should)
[03:28:20] <zeeshan> i'm kidding around
[03:28:25] <zeeshan> but i'd like to defginitely do it
[03:28:35] <CaptHindsight> tough crowd in here
[03:28:35] <zeeshan> it's low priority though, cause changing tools by hand isn't to much of a pain right now
[03:28:42] <WalterN> so
[03:28:57] <WalterN> why not have a lathe that can change the turret heads?
[03:29:10] <zeeshan> something different to try :P
[03:29:23] <zeeshan> with a robot you can even program it to load up your tail center
[03:29:27] <zeeshan> load up a part
[03:29:30] <zeeshan> basically do everything
[03:29:45] <WalterN> well yeah... thats primarily why robots are around
[03:29:51] <zeeshan> yessir
[03:29:59] <zeeshan> its sad, the robots on the production line
[03:30:03] <Tom_itx> what happens when tools break?
[03:30:04] <zeeshan> were just moving parts between machines
[03:30:12] <zeeshan> or deburring
[03:30:14] <WalterN> pff sad
[03:30:25] <zeeshan> the only place i did appreciate them
[03:30:27] <WalterN> robots should be doing deburring too
[03:30:44] <zeeshan> is where they'd go into a induction furnace oeven to pick up a hot part
[03:30:54] <zeeshan> *oven
[03:30:58] <WalterN> cause carpal tunnel
[03:31:21] <zeeshan> dude some people were getting paid $16/hr to deburr
[03:31:22] <zeeshan> lol
[03:31:54] <WalterN> depending on what it is, it might not be enough...
[03:32:53] <WalterN> there was some buffing and deburring I used to do that, if I didnt get fired for walking away and refusing to do it, would just not do for $14/hour
[03:33:16] <zeeshan> i dunno how people do it man
[03:33:24] <zeeshan> it's boring, streneous work
[03:33:32] <WalterN> they don't
[03:33:41] <WalterN> typically places like that have a high turnover rate
[03:33:48] <zeeshan> thats true
[03:33:52] <zeeshan> we'd have new people every month
[03:33:54] <WalterN> like fastfood places
[03:33:58] <zeeshan> job agencies would actually cycle them
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[03:34:09] <zeeshan> between facilities
[03:34:39] <zeeshan> i was kinda annoyed by watching people do that
[03:34:45] <zeeshan> cause they werent even needed
[03:34:59] <zeeshan> the robot took the part and deburred it one machining station after them
[03:38:22] <andypugh> The biggest surprise for me was when I got a job designing production line equipment “make it tough, they will break it to get time off if it’s easy to do”
[03:38:59] <zeeshan> lol
[03:39:16] <zeeshan> andypugh: are you an engineer?
[03:39:35] <andypugh> Complete change to my world view. Everyone I know randomly _fixes_ stuff :-)
[03:39:57] <WalterN> what is a complete change?
[03:39:58] <andypugh> No, I am not an engineer.
[03:40:26] <zeeshan> what are you!
[03:40:44] <XXCoder> thats not a question. heh
[03:40:53] <WalterN> if you design parts or equipment then thats engineering
[03:40:53] <CaptHindsight> andypugh: where are you going to do your winter testing this year?
[03:41:22] <andypugh> Finland again, nowhere else makes any sense.
[03:42:19] <andypugh> I do engineering, and my job title has “engineer” in it, but the IMechE won’t even let me apply as I don’t have the right qualifications. :-/
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[03:43:10] <andypugh> (this is something of a sore point)
[03:43:22] <zeeshan> do the exams
[03:43:40] <zeeshan> you clearly know what the heck youre doing :)
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[03:43:46] <andypugh> I already have a degree and a PhD..
[03:43:58] <zeeshan> in what?
[03:44:12] <andypugh> Physics and metallurgy
[03:44:21] <zeeshan> very cool
[03:44:26] <CaptHindsight> it's because a degree in Human Resources is actually taken seriously by those with MBA's
[03:44:40] <CaptHindsight> so it's FUBAR
[03:44:51] <zeeshan> i don't know if its similar there, but you need to graduate from an accredited engineering program and have 4 years of work expierence before you can get your license
[03:45:03] <andypugh> Yes, that’s the issue.
[03:45:04] <zeeshan> and if you have work experience and relevant experience and some education
[03:45:11] <zeeshan> you can do auxillary exams
[03:45:25] <CaptHindsight> for the PE license?
[03:45:34] <zeeshan> i think theres like 8-12 of them (you do only a certain amount depending on your education)
[03:45:39] <andypugh> I could do a foundation degree in engineering, then they would let me join. But you know what? I can’t be bothered jumoing throiugh their hoops.
[03:45:39] <zeeshan> so say you didn't do much heat transfer
[03:45:42] <zeeshan> one of the tests will be heat transfer
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[03:46:25] <zeeshan> i know its brutal
[03:46:32] <zeeshan> but they're trying to cover their butts
[03:46:42] <zeeshan> here engineers are self-regulated
[03:46:46] <zeeshan> imagine losing that ability
[03:46:51] <WalterN> meh
[03:46:53] <zeeshan> and letting the government try to regulate!
[03:47:13] <mozmck> nothing but the old guilds I say
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[03:47:20] <andypugh> I taught courses in a university mechanical engineering department for a while (mechanical testing).
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[03:47:34] <zeeshan> andypugh: you did metallurgy
[03:47:36] <WalterN> really it comes down to make something, it does what it needs to do, customers are happy... engineering's purpose was fulfilled
[03:47:38] <zeeshan> ofcourse you know materials inside out!
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[03:47:50] <cathode> hi guys
[03:47:59] * WalterN flails at cathode
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[03:48:05] <zeeshan> WalterN: you missed the most important point
[03:48:06] <XXCoder> hey wood
[03:48:20] <andypugh> Basically I don’t need the IMechE, and if they don’t want me, that’s OK by me.
[03:48:44] <zeeshan> most people don't even as engineers get their license here
[03:48:49] <WalterN> cathode: we still need to do a geeky nerdy party some time... today I bought $120 of alcohol :3
[03:48:50] <zeeshan> in the EE field for example
[03:49:11] <andypugh> But, back to the point. I do engineering, but I can’t call myself an engineer. :-)
[03:49:16] <WalterN> got like 10 bottles of different things
[03:49:22] <zeeshan> hey at least you're honest
[03:49:28] <zeeshan> some people lie that they're engineers and they're not
[03:49:59] <zeeshan> and then there are engineers that are engineers but i but most of them can't do feedback using a vfd!
[03:50:01] <zeeshan> :-)
[03:50:24] <CaptHindsight> I work mostly with scientists that can't engineer anything
[03:50:47] <WalterN> CaptHindsight: thats probably fun and highly annoying at times
[03:50:53] <zeeshan> andypugh: i'm doing my masters right now, did you see what i'm working on?
[03:51:28] <andypugh> Possibly, but I get confused by names.
[03:51:35] <zeeshan> https://www.youtube.com/watch?v=pFkvmbWZIls&list=UUy-Z-COl0WvPmSLXMOvtedg
[03:51:41] <zeeshan> shape memory polymer laminates
[03:51:52] <zeeshan> i have no idea what i'm doing lol
[03:51:53] <andypugh> No, I would have remembered that.
[03:52:11] <zeeshan> i understand metals, but when it comes to poylmers, especially shape memory ones
[03:52:16] <zeeshan> its completely new nomenclature
[03:52:31] <andypugh> What “reminds” them?
[03:52:51] <zeeshan> thers basically two blends of polymers with different glass transition temperatures
[03:52:51] <WalterN> scientific suggestion
[03:52:59] <zeeshan> which activate at different temperatures
[03:52:59] <CaptHindsight> polymers are just longer chains of monomers and oligomers
[03:53:15] <zeeshan> andypugh: to be honest i'm note ven going to try to explain
[03:53:19] <zeeshan> cause i don't know the answer to that myself.
[03:53:25] <zeeshan> i mean i can tell you what i've read
[03:53:29] <zeeshan> but it still doesn't answer the question
[03:53:39] <zeeshan> most scientific papers say "they have net points" in them
[03:53:45] <WalterN> cathode: so are you enjoying this channel at all? XD
[03:53:52] <zeeshan> and based on the polymer composition
[03:53:54] <zeeshan> those set points change
[03:54:02] <zeeshan> still doesn't answer the question "how"
[03:54:02] <andypugh> I worked on high-strain rate behaviour of polymers for a while, it’s all very different with the strain-rate dependency, Mooney-Rivelin relationships and all that. I think I preferered metals.
[03:54:28] <zeeshan> same here
[03:54:37] <zeeshan> poylmers aren't simple cause theyre mostly visco-elastic
[03:54:38] <CaptHindsight> how is the differences in strain
[03:54:48] <zeeshan> so in between say metal and liquid
[03:55:14] <andypugh> But the worst thing I worked on was human skin grafts, not only are they visco-elastic and non-linear, but they go mouldy and have to be re-grown.
[03:55:20] <zeeshan> LOLL
[03:55:21] <CaptHindsight> crystal form vs fluid form
[03:55:23] <zeeshan> are you serious?
[03:55:29] <zeeshan> gross!
[03:55:53] <zeeshan> CaptHindsight: thats a very generic question :P
[03:55:54] <cathode> WalterN - yes and yes
[03:56:15] <WalterN> cathode: heh, yeah...
[03:56:26] <cathode> i don't use linuxcnc but it's a good channel for general discussion of cnc-related stuff :)
[03:56:28] <cathode> and tools
[03:56:29] <andypugh> Yes, absolutely serious. Skin-grafts develop a tension and pull tight on the patient, we were trying to measure those forces in-vitro to work out how to reduce them.
[03:56:40] <zeeshan> wow
[03:56:56] <zeeshan> did you approach it from an experimental approach
[03:57:00] <zeeshan> or analytical
[03:57:30] <CaptHindsight> zeeshan: heh, that was the answer not a question :)
[03:57:51] <zeeshan> i didn't get it
[03:57:54] <CaptHindsight> the "how" is the differences in strain
[03:58:10] <andypugh> Experimental. I made wells with stain-gauged arms out of polycarbonate, and the grafts were sutured to metal mesh extensions.
[03:58:15] <zeeshan> OH
[03:58:34] <zeeshan> CaptHindsight: but how does that answer
[03:58:39] <zeeshan> the fact that it remembers to go back toa certain place
[03:58:51] <CaptHindsight> zeeshan: think of it like two springs with two different spring rates
[03:58:55] <zeeshan> i understand at different temps especially above tg there will be differences
[03:59:09] <andypugh> That was the final, crude, approach. The elegant approach was to grow the grafts on a soft polymer substrate with fiducial marks and measure how the marks moved. But they didn’t.
[03:59:18] <cathode> so my roommate just suggested that we put a "Use side door" sign on the front door, then put a "Sorry, out of candy" sign on the side door.
[03:59:29] <cathode> my other roommate was like, "uh, i don't want the house to get egged"
[03:59:38] <zeeshan> andypugh: very interesting
[03:59:47] <zeeshan> CaptHindsight: explain more
[03:59:56] <zeeshan> are t hose 2 springs fixed at both ends?
[03:59:59] <zeeshan> are they in series?
[04:00:34] <andypugh> I described tonight as “Hiding indoors with the lights off night” at work today.
[04:01:00] <CaptHindsight> andypugh: is it popular there now?
[04:01:15] <cathode> in other news, if i wanted to use annular cutters on a drill press, are there any with normal hex shanks, or do they all have the shank for mounting in magnetic drills? would i need something like this to use it in my DP? http://www.ebay.com/itm/Morse-Taper-MT2-W-W-Oiler-for-Drill-Use-Annular-Cutter-Broach-w-Drill-Press-/171524529870?pt=BI_Tool_Work_Holding&hash=item27efa89ece
[04:01:29] <andypugh> I hate it, mainly because it’s a new import to the UK. Trick-or-Treat is one of the nastiest things we have imported from the US. It simply didn’t happen 20 years ago.
[04:01:56] <zeeshan> CaptHindsight: OH
[04:02:05] <zeeshan> i can visualize it now
[04:02:26] <zeeshan> so in the relaxed state, you have a certain position
[04:02:44] <zeeshan> now you heat it up, while one spring remains unchanged, the other becomes softer(less stiffer)
[04:03:05] <andypugh> cathode: You can normally hold the annular cutters in a normal chuck or collet. The normal mag-drill mount is just a very cheap and rugged alternative.
[04:03:17] <zeeshan> and if you were to keep internal forces same for simplicity, then the softer spring will compress more..
[04:03:18] <CaptHindsight> zeeshan: it's not a perfect analogy but I figured you'd get that
[04:03:28] <XXCoder> whoa. new 12 monkeys movie. https://www.youtube.com/watch?feature=player_embedded&v=ihbMJbqYWbw
[04:03:35] <cathode> andypugh - but they have round shanks, wouldn't it slip like crazy in a DP?
[04:03:37] <zeeshan> causing the point to shift, and when you bring the temperature back, you reset the spring
[04:03:39] <zeeshan> CaptHindsight: you're a genious
[04:03:48] <zeeshan> that's a GREAT analogy
[04:04:09] <andypugh> cathode: No more so than a normal drill, in fact less so than a normal drlll of the same diameter.
[04:04:10] <zeeshan> i would have never gotten than out of the papers ive been reading
[04:04:15] <zeeshan> than = that
[04:04:21] <andypugh> (most drills don’t have hex shanks)
[04:04:50] <cathode> eh? i ONLY buy bits with flats ground on the shank
[04:04:57] <CaptHindsight> zeeshan: yeah polymer papers are probably co-written with mathematicians :)
[04:05:08] <zeeshan> crazy chemists..
[04:05:29] <zeeshan> CaptHindsight: so i kind of know what my thesis is going to consist of
[04:05:50] <zeeshan> i'm focusing on coming up with a technique thats very mechanical based
[04:05:59] <zeeshan> to evaluate the performance of different laminates..
[04:06:44] <andypugh> cathode: I don’t think I have any drills with flats. Flats are a relatively new thing which just happen to be easier with keyless chucks. (and sonce then the keyless chucks got better too).
[04:06:44] <zeeshan> it's easy to do with smp and polymer laminates, because the base material is fairly elastic, but a lot harder to do with metals cause of the huge difference in modulus of elasticity
[04:07:47] <zeeshan> cathode: annular cutters come in different types
[04:07:59] <zeeshan> http://im01.taiwantrade.org/resources/member/28380/productcatalog/36b69c00-a434-417f-bcc0-a7ae5c3f497a_CT350.jpg
[04:08:00] <zeeshan> thats the kind i use
[04:08:17] <zeeshan> you can mount that in a drill chuck if you wanted to
[04:09:10] <zeeshan> http://www.accusizetools.ca/upfile/2013271402748483.jpg
[04:09:12] <zeeshan> thats the set i have
[04:09:20] <cathode> andypugh - ah ok. well, i am only 26 so i don't have pre-modern bits :P
[04:09:52] <zeeshan> you will need an 18N jacobs chuck to make em work though
[04:09:55] <zeeshan> cause the shank is 3/4
[04:10:51] <CaptHindsight> zeeshan: let me know if you need a consultant
[04:11:00] <zeeshan> CaptHindsight: haha :)
[04:11:06] <andypugh> Anyway, it’s nearly morning here, I should get some sleep.
[04:11:12] <zeeshan> cya andypugh
[04:11:15] <cathode> my chuck only goes up to 5/8 i think
[04:11:18] <CaptHindsight> g'nite
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[04:11:28] <zeeshan> cathode: now that i think about it
[04:11:34] <zeeshan> i did have slipping holding it in the chuck
[04:11:53] <zeeshan> it might be better to get a morse taper to annular cutter adapter like the one you posted
[04:11:55] <cathode> because of those large flats, it seems like it would slip easily in a normal chuck
[04:12:22] <zeeshan> to be honest i didnt even know they had a holder
[04:12:26] <cathode> ok. also, cutting a 2" hole in 1/2" steel for example, would put a LOT of force on the chuck
[04:12:44] <zeeshan> yea, but no where as much as a 2" drill bit
[04:12:44] <zeeshan> :)
[04:12:56] <cathode> yeah those mag drills have a chuck with two set-screws at 90-degree angle
[04:13:02] <zeeshan> the biggest hole ive drilled is 40 mm
[04:13:05] <cathode> that bite onto that flat
[04:13:23] <zeeshan> ahh
[04:13:44] <zeeshan> http://www.accusizetools.com/mc00-0003-mt3-to-3-4-weldon-shank-for-drill-use-annular-cutter-on-drill-press/
[04:13:45] <zeeshan> wow
[04:13:51] <zeeshan> thats the most expensive chinese adapter i've seen..
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[04:14:21] <cathode> :(
[04:15:05] <WalterN> zeeshan: I bought a 2.5" spade drill a few weeks ago for a big job I just shipped today
[04:15:18] <WalterN> that thing drills like a monster
[04:15:22] <zeeshan> indexable?
[04:15:27] <WalterN> yeah
[04:15:32] <zeeshan> hehe nice
[04:15:35] <zeeshan> that musta been expensive
[04:15:37] <WalterN> BFFFFFFFF and the hole is done
[04:15:50] <zeeshan> i have a few of those inserts
[04:15:53] <WalterN> 5" long hole, 2.5" diameter
[04:15:54] <zeeshan> but no spade drills
[04:16:16] <zeeshan> why do you think its easier to drill in comparison to a regular drill?
[04:16:25] <zeeshan> http://www.ctemag.com/aa_pages/2012/1206-Drilling-web-resources/image/Allied%20Spade%20Drill%20070_opt.jpeg
[04:16:28] <zeeshan> those reliefs?
[04:16:31] <zeeshan> smaller chip?
[04:16:31] <cathode> WalterN - so i take it business is good lately?
[04:16:32] <WalterN> its fantastic
[04:16:32] <cathode> cool
[04:16:32] <WalterN> oh yeah
[04:16:33] <WalterN> business is good too
[04:18:35] <WalterN> uh
[04:18:51] <WalterN> my insert isnt as pointy, but yeah, same style
[04:18:56] <cathode> so i got done with this last night... https://www.dropbox.com/s/xp8hyb402z4c0v1/2014-10-29%2019.55.17.jpg?dl=0
[04:19:11] <zeeshan> cathode: looking good!
[04:19:16] <cathode> and then this happened: https://www.dropbox.com/s/c6lwn9knjoiy319/2014-10-29%2021.53.33.jpg?dl=0
[04:19:17] <zeeshan> done with a drill press?
[04:19:20] <cathode> (an inch too long)
[04:19:21] <cathode> yea
[04:19:29] <WalterN> cathode: been so busy that I havent had a chance to shower in 1.5 weeks
[04:19:35] <zeeshan> hahaha
[04:19:38] <zeeshan> that sucks!
[04:19:38] <cathode> heh
[04:19:44] <zeeshan> add a 0.5" spacer
[04:19:48] <CaptHindsight> zeeshan: one more thing, polymer chains form all sorts of structures you might find on a larger scale in mechanical engineering like coils, lattices, grids, webs etc
[04:19:49] <zeeshan> on both sides =D
[04:20:08] <cathode> zeeshan - can't. i ended up cutting an inch off the end of each bar and redrilling the holes
[04:20:13] <cathode> https://www.dropbox.com/s/7x75gd6wqgu9kh0/2014-10-29%2000.19.13.jpg?dl=0 thats my setup
[04:20:19] <zeeshan> CaptHindsight: even the amorphous ones?
[04:20:23] <zeeshan> thats what im working with..
[04:20:36] <cathode> my DP goes down to 280rpm or so, 1hp motor. pretty nice it doesn't have any problem hogging through steel
[04:20:56] <WalterN> my metal hogger is 30hp XD
[04:21:19] <cathode> well.... uh.... i couldn't even run a 30hp motor on my house panel i think
[04:21:37] <WalterN> zeeshan: 30hp and that 2.5" drill... really pushed the aluminum out in short notice... it was fantastic
[04:22:09] <zeeshan> cathode: you should be able to do .5" holes no problem at that speed
[04:22:16] <zeeshan> 280 might be a bit fast for 1" though
[04:22:29] <zeeshan> it'll do it
[04:22:31] <cathode> i did the large holes with a bi-metal hole saw bit
[04:22:36] <cathode> they're 1-3/8
[04:22:41] <WalterN> hmm
[04:22:46] <zeeshan> i calculated that wrong
[04:22:49] <WalterN> you want a cob endmill
[04:22:49] <zeeshan> 1" will be ok too
[04:22:54] <WalterN> "roughing" endmill
[04:23:06] <zeeshan> WalterN: 30hp!!
[04:23:16] <WalterN> those things remove steel without blinking
[04:23:16] <zeeshan> i can just imagine the cutting forces.
[04:23:44] <WalterN> zeeshan: yeah... I have two of those machines.. they don't stop for very many things XD
[04:23:51] <CaptHindsight> zeeshan: yes, thinks of it like a bundle of strings or wires all randonly knotted and hopelessly twisted and intertwined
[04:24:00] <zeeshan> rough estimate ~3500 lb
[04:24:03] <WalterN> if you cut the power they might stop :P
[04:24:24] <cathode> i was thinking about getting something like this. http://www.ebay.com/itm/10pcs-Carbide-Tip-TCT-Drill-Bit-Hole-Saw-Set-F-Stainless-Steel-Metal-Alloy-45mm-/310896104057
[04:24:26] <zeeshan> CaptHindsight: i think of them as a buncha noodles in a bowl
[04:24:28] <zeeshan> hehe
[04:24:39] <CaptHindsight> good one
[04:24:48] <zeeshan> CaptHindsight: do you know what micron level i need to go to
[04:24:50] <zeeshan> to be able to see the chains
[04:24:56] <zeeshan> can i do it with an optical scope
[04:25:03] <zeeshan> or will i need electron
[04:25:20] <zeeshan> who knows if i'll ever get to do this again :P
[04:25:27] <WalterN> zeeshan: I didnt have a kill-a-watt plugged into the machine, so I cant verify that it was actually pulling 30hp... possibly half that... donno.. the "load meter" was close to 100% though
[04:25:50] <CaptHindsight> zeeshan: http://www.nature.com/am/journal/2010/201006/images/am2010132i1.jpg
[04:25:51] <cathode> do you have a clamp-on type ammeter?
[04:26:05] <WalterN> (the kill-a-watt plug thing was a joke)
[04:26:08] <zeeshan> haha ill definitely need an electron scope!
[04:26:19] <cathode> http://www.transcat.com/Catalog/productdetail.aspx?itemnum=323&utm_source=google&utm_medium=base&gclid=CIPV6pvI2MECFZNbfgodXkEAbw
[04:26:25] <zeeshan> actually
[04:26:32] <zeeshan> i think the optical one does 4000 x mag
[04:26:36] <WalterN> I dont have a good shunt resistor
[04:27:10] <WalterN> actually, because its three phase, I would need three shunt resistors?
[04:27:12] * cathode wants 3-phase power...
[04:27:30] <cathode> things would be so much easier if i could get 3phase to my house
[04:27:38] <WalterN> cathode: you can get an inverter thing
[04:27:46] <cathode> they're expensive and mostly junk
[04:28:02] <WalterN> if you look around you can find a good one
[04:28:08] <WalterN> I know a few people who use them
[04:28:12] <cathode> i was thinking about building one, solid state with really high power IGBTs
[04:30:28] <WalterN> I'm getting ready to mix a twilight sparkle drink :3
[04:30:45] <cathode> anyway that set of TCT hole saw bits i linked, from china... do you guys think they'd be any good or would it be a waste of $65?
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[04:33:56] <CaptHindsight> zeeshan: https://staff.aist.go.jp/s.horiuchi/PMMA_04.gif :)
[04:34:21] <cathode> CaptHindsight - what is that
[04:34:23] <zeeshan> so pretty
[04:34:27] <zeeshan> PMMA
[04:34:33] <zeeshan> polymethylacrylate
[04:34:39] <cathode> ah
[04:34:59] <zeeshan> im trying to remember the name
[04:35:12] <zeeshan> its the real plexiglass
[04:35:43] <CaptHindsight> it's actually a wide range of methacrylates
[04:35:49] <zeeshan> CaptHindsight: you dont understand what that analogy means to me
[04:36:03] <zeeshan> i've been trying to understand how the beep beep beep these thigns work for the last couple of months
[04:36:07] <zeeshan> reading tons of papers
[04:36:13] <zeeshan> and just getting no practical explanation
[04:36:21] <CaptHindsight> heh, happy to be of service
[04:36:38] <zeeshan> even the guys im working with
[04:36:43] <zeeshan> (from chem eng department)
[04:36:45] <zeeshan> have no clue
[04:36:48] <CaptHindsight> I work with this stiff all the time
[04:37:00] <zeeshan> what are you guys building
[04:37:00] <CaptHindsight> stuff even
[04:37:01] <zeeshan> i know you told me
[04:37:05] <zeeshan> but i forgot :/
[04:37:43] <cathode> i did some work with plexiglas the other day. i made a window for an electronics enclosure box for my tool
[04:38:01] <cathode> 1/4" plexi, i drilled and tapped 1/4-20 threads into it
[04:38:18] <cathode> several people told me "you can't tap into acrylic"
[04:39:00] <CaptHindsight> I make photopolymers, inks, coatings, composites, adhesives etc and the deposition tech
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[04:39:22] <CaptHindsight> so it's all sorts of additive manufacturing and materials science
[04:39:58] <zeeshan> can you give one applicatoiun
[04:40:07] <zeeshan> where the photopolymers are used
[04:40:29] <zeeshan> duhh
[04:40:30] <zeeshan> film.
[04:40:46] <zeeshan> anything with polymer shuts my brain down
[04:41:09] <CaptHindsight> SLA/DLP 3d printers, UV cured inks and coatings
[04:41:27] <CaptHindsight> printed electronics
[04:41:49] <CaptHindsight> we can print PCB's with just fluids
[04:42:01] <CaptHindsight> the board, conductors, everything
[04:42:12] <zeeshan> wow
[04:42:12] <cathode> crazy
[04:42:19] <cathode> what about the traces?
[04:42:29] <cathode> some sort of copper solution?
[04:42:36] <CaptHindsight> yes, the traces using copper or silver
[04:43:36] <CaptHindsight> there are several approaches, one might be copper nanoparticles coated with a polymer to keep them from oxidizing
[04:44:07] <CaptHindsight> you print the particles then blast them with UV to flash off the polymer and sinter at the same time
[04:45:18] <CaptHindsight> silver is easy, you just print with a silver nanoparticle ink, you can make the silver ink pretty easily
[04:45:46] <CaptHindsight> but silver is expensive
[04:49:04] <WalterN> just make some silver
[04:49:09] <WalterN> no big deal these days, right?
[04:49:16] <WalterN> XD
[04:53:41] <CaptHindsight> http://vimeo.com/93968312 not mine but a slow low res way to do it
[04:53:49] <CaptHindsight> zeeshan: ^^
[04:56:34] <zeeshan> haha
[04:56:37] <zeeshan> that is so cool
[04:56:53] <zeeshan> hopefully a mutant chicken doesnt come out of that egg
[04:57:30] <CaptHindsight> http://www.youtube.com/watch?v=EBlqPS8boLI Make Conductive Silver Ink (complex ion based)
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[05:03:02] <CaptHindsight> copper is $3.0785/lb. silver is $258/lb yet the commercial inks sell for hundred or thousands per ounce
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[05:06:20] <WalterN> the half hard copper I get is $6/lb
[05:07:17] <CaptHindsight> http://www.nasdaq.com/markets/copper.aspx
[05:10:26] <CaptHindsight> WalterN: do you buy large quantities of it?
[05:10:40] <WalterN> I don't, my customer does
[05:11:16] <WalterN> rather large... possibly the shop that uses the most 1.5" diameter copper rod
[05:11:28] <WalterN> in the northwest USA
[05:12:02] <CaptHindsight> Aluminum is ~$0.90/lb but shapes, sheet and plate always costs a few times more
[05:12:33] <zeeshan> send me free copper!
[05:12:33] <WalterN> sometimes we go though 50 12' bars of copper in a week or so
[05:12:34] <zeeshan> :-
[05:12:38] <zeeshan> i need some heat sinks for weldin
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[05:14:34] <WalterN> probably will go though more per week as time moves on
[05:17:31] <WalterN> aluminum scrap right now is something like $0.35/lb
[05:17:50] <WalterN> copper scrap is about $2.3/lb
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[05:37:44] <CaptHindsight> my last load of aluminum swarf was like 20 cents per lb
[05:37:59] <XXCoder> you buy swarf and melt em or what
[05:38:10] <XXCoder> or it was sell to someone?
[05:38:19] <CaptHindsight> but i didn't shop around for best buyer
[05:38:35] <CaptHindsight> selling my chips
[05:38:44] <XXCoder> why not melt em down so you has decent slabs
[05:38:50] <XXCoder> kiln isnt that expensive
[05:39:30] <CaptHindsight> yeah, makes sense with how little they offer
[05:39:59] <XXCoder> yeah
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[05:43:47] <WalterN> it would be nice to be able to take the shavings and reform it into bars of material so I can use it again... heh
[05:44:05] <XXCoder> you can
[05:44:17] <XXCoder> just try to expose as little air as you can
[05:44:46] <XXCoder> and from what I learned from videos, you need something to purge alum of air.
[05:45:10] <WalterN> I don't really care about aluminum... talking about copper
[05:45:12] <XXCoder> flux I think
[05:45:18] <XXCoder> oh copper I has no idea
[05:45:39] <CaptHindsight> http://www.youtube.com/watch?v=M5gchI6dv-o Briquetting of Aluminium
[05:46:40] <XXCoder> wow that video resolution sucks
[05:47:45] <CaptHindsight> http://www.youtube.com/watch?v=MWVXe_J7onA works for copper
[05:48:12] <zeeshan> why arent chips worth a lot
[05:48:20] <CaptHindsight> heh, only one guy wears a mask
[05:48:33] <XXCoder> lots energy to make slabs from em I guess?
[05:48:53] <zeeshan> versus aluminum wheels and other scrap?
[05:48:59] <zeeshan> id think itd be less
[05:49:01] <XXCoder> really no idea
[05:49:10] <zeeshan> more surface area exposure
[05:49:18] <WalterN> copper has a lot higher melting point, and it conducts heat better
[05:49:37] <XXCoder> capt thats interesting blurry videp
[05:49:47] <zeeshan> http://www.posner.ca/pricelist/autolist_online.pdf
[05:50:04] <zeeshan> .40 for aluminum turnings
[05:50:16] <zeeshan> vs 72 cents for painted al
[05:50:27] <zeeshan> i dont get it :P
[05:50:34] <XXCoder> me either
[05:51:03] <CaptHindsight> it has coolant mixed in but I think it just tradition
[05:51:11] <XXCoder> CaptHindsight: I guess those compacted alum is easier to melt too
[05:51:24] <XXCoder> less air to remove
[05:52:14] <XXCoder> anyway night
[05:53:15] <CaptHindsight> http://www.ars-inc.com/faq-home.aspx#q1 Q: Why are briquettes more valuable than scrap metal chips?
[05:53:37] <Connor> Hmm.. 6 gallon air compressor.. 45 dB(A) $475.00
[05:54:42] <CaptHindsight> thats pretty quiet
[05:54:59] <Connor> http://www.jun-air.com/product_detail.aspx?ProductID=633&ProductTypeID=50
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[05:55:10] <Connor> http://knoxville.craigslist.org/tls/4714166132.html
[05:55:55] <CaptHindsight> http://www.industrialnoisecontrol.com/comparative-noise-examples.htm
[05:56:14] <zeeshan> ahh slagg
[05:56:46] <Connor> I HATE my air compressor..
[05:57:18] <Connor> I hate loud noises.. in fact.. I enclosed my shop vac in a 3/4" MDF box and vent it under the house. via 4" Hoses.
[05:58:21] <Connor> Wonder if it would have enough CFM for my draw bar.
[06:00:15] <zeeshan> why is cfm important for an air solenoid
[06:00:35] <Connor> Umm.. It's not. It's the air cylinder.
[06:00:41] <zeeshan> i mean air cylinder
[06:00:50] <zeeshan> i dont know why i said solenoid
[06:00:52] <Connor> Time it takes to operate it.
[06:00:52] <zeeshan> 2:00 am thats why
[06:01:13] <zeeshan> hm?
[06:01:36] <Connor> The amount of time it would take to fill up the air cylinder..
[06:02:24] <Connor> Kinda mute point.. Don't have the $$$ to get it.
[06:02:46] <zeeshan> well the way i think of it is if your cylinder is 1L
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[06:02:57] <zeeshan> lets make it simpler
[06:02:59] <zeeshan> 1 feet
[06:03:04] <zeeshan> and your tank provides 5 scfm
[06:03:14] <zeeshan> i'd take 1/5 of a minute to fill it?
[06:04:09] <Connor> My air Cylinder is a 3" Bore, 1" Stroke, triple stack
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[06:05:00] <zeeshan> 7.0 cubic inches
[06:05:03] <zeeshan> so 0.004 cubic feet
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[06:05:11] <Connor> TRIPPLE STACK
[06:05:15] <zeeshan> times 3
[06:05:30] <Connor> at @100 PSI, it would take 3 seconds
[06:05:38] <zeeshan> big deal
[06:05:39] <zeeshan> lol
[06:05:43] <Connor> and require 1.91 CFM
[06:06:21] <Connor> Not sure what FAD is.. but at max pressure.. 1.31cfm,
[06:06:35] <Connor> FAD @ Max Pressure (60 Hz)1.31 cfm (37 l/min)
[06:06:41] <Connor> Displacement (60 Hz)2.12 cfm (60 l/min)
[06:07:07] <zeeshan> fad ive heard that before
[06:07:17] <zeeshan> free air delivery
[06:07:53] <Connor> You should see it work from my scuba tank setup.
[06:08:08] <Connor> Oh. not sure this makes a diff... but the stroke it moves isn't a full 1"
[06:08:16] <zeeshan> that will make a huge diff
[06:08:19] <zeeshan> less volume
[06:08:24] <Connor> probably more like 1/4 to 1/2
[06:08:37] <zeeshan> so bascially 1/4 or 1/2 of 3 seconds :P
[06:08:54] <Connor> http://www.leinarts.com/aircalc.htm
[06:09:36] <zeeshan> you dnt need a calculator :P
[06:09:56] <zeeshan> volume = 0.25*pi*d^2 * length
[06:09:57] <Connor> zeeshan: Don't start.
[06:10:09] <zeeshan> divide scfm of your compressor w/ that volume.
[06:10:23] <Jymmm> or a chop saw!
[06:10:44] <zeeshan> its just volume of a cylinder / your air flow @ compressor
[06:11:00] <zeeshan> Jymmm: ill chopsaw you!
[06:11:17] <Connor> I wonder what the CFM of a scuba tank is...
[06:11:19] <Jymmm> zeeshan: go play with your calculator!
[06:11:28] <zeeshan> well formulas are important
[06:11:36] <zeeshan> because you can clearly see length is linearly related w/ time
[06:11:45] <zeeshan> so if you halfed your length, you'd half the time
[06:11:55] <zeeshan> but if you halfed the diameter, you'd 1/4 your time
[06:13:03] <zeeshan> im still confused on how to pick a hydraulic power pack for my press
[06:13:49] <zeeshan> the cylinder has a 7.25" stroke, unknown bore
[06:15:09] <zeeshan> i was thinking you just select the psi you need to generate, but connor made me realize time is important too
[06:15:31] <Connor> Your press ?
[06:15:40] <zeeshan> yea the 20 ton hydraulic press
[06:15:43] <zeeshan> it has a manual pump
[06:15:45] <zeeshan> really annoying to use
[06:15:53] <Connor> oh.
[06:16:01] <zeeshan> i was hoping i could somehow put a 1hp motor power pack on it and make it work
[06:16:14] <zeeshan> but im not sure what psi it needs to generate
[06:16:17] <zeeshan> and how it'll be controlled
[06:16:32] <zeeshan> like i dont want to always put 20 tons of pressure on something
[06:16:41] <zeeshan> sometimes i want to be genetle, so how do you control that
[06:17:10] <Connor> no clue. Beyond my knowledge.
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[06:18:58] <Connor> http://www.ivdc.com/cnc/mill_10_31_14_01.jpg
[06:19:04] <Connor> I'm liking the looks of this now..
[06:19:16] <Jymmm> zeeshan: hormones
[06:19:25] <zeeshan> Jymmm: haha
[06:20:01] <zeeshan> connor use zip tie mounts to hold that black power wire!
[06:20:01] <zeeshan> :p
[06:20:28] <Connor> Eh? Which wire ?
[06:20:36] <zeeshan> the black one
[06:20:41] <zeeshan> it goes from your speed control board i think
[06:20:56] <zeeshan> to the bak slots of the case
[06:21:04] <zeeshan> where pci boards usually stick out from
[06:21:16] <Connor> Yea.. I was zip tied..
[06:21:27] <Connor> still working on it.
[06:21:35] <Connor> have more wires to run and stuff.
[06:21:40] <zeeshan> ah
[06:21:56] <Connor> way more wires to go into the 7i76
[06:22:11] <Connor> need to trim up the wires on the DB9.
[06:22:41] <zeeshan> hey do you know if theres anyway to get more than 6 analog outputs
[06:22:43] <Connor> need to wire in the 12v side of the coolant pump to a jack.
[06:22:49] <zeeshan> than what comes with 7i77
[06:23:13] <Connor> No idea. that's a question for pcw_home
[06:23:21] <Connor> why do you need them ?
[06:23:37] <zeeshan> i was really thinking about putting a 6 axis robot on the lathe
[06:23:49] <zeeshan> and making it do tool changes and load up things in the center
[06:23:53] <zeeshan> and chuck
[06:24:01] <zeeshan> it'd be a cool project :P
[06:24:16] <Connor> what sort of 6-axis robot? DIY or a existing one ?
[06:24:23] <zeeshan> probably an existing one
[06:25:07] <zeeshan> and then i can turn it 180 degree around
[06:25:15] <zeeshan> and make him hold a welding torch to weld stuff for me!
[06:29:11] <Connor> http://www.ebay.com/itm/SCORBOT-ER-III-ROBOT-MECHANICAL-ARM-SER-4070063-NO-CONTROLLER-/361094243342?pt=Educational_Toys_US&hash=item5412e4e40e
[06:29:21] <Connor> I played with one of those when I was in High school
[06:31:44] <zeeshan> how much weight can they handle
[06:32:03] <Connor> I don't really know.. We moved around little wooden balls.
[06:32:53] <Connor> 2.2LB
[06:33:05] <Connor> 1. Do not overload the arm. The workload may not exceed 1 kilo (2.2 lb.). The gripper
[06:33:06] <Connor> should grasp a workload at its center of gravity.
[06:33:10] <Connor> http://www.theoldrobots.com/book45/ER3-Manual.pdf
[06:33:25] <zeeshan> doh
[06:34:59] <Connor> It's probably out of a high school robotics lab.
[06:35:59] <Connor> I almost purchased one with controller for $250.00 + shipping..
[06:36:54] <ReadError> we had one of those is middle school ;)
[06:37:04] <ReadError> had to program it to move a ball and stack blocks
[06:37:14] <Connor> ReadError: Exactly what I did.
[06:37:33] <Connor> move them from a queue to cups.. then.. pick them back up and place them back on the queue rack
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[07:58:34] <Deejay> moin
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[08:06:53] <WalterN> 1 hour into morning
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[09:12:59] <archivist> last steaming of the year today and tomorrow http://www.middleton-leawood.org.uk/leawood/
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[12:24:20] <jthornton> have fun archivist
[12:26:02] <Tom_itx> morning
[12:26:22] <Tom_itx> better stoke the fire this morning!
[12:27:11] <Tom_itx> 30F
[12:28:18] <Jymmm> /me hands Tom_itx two gallons of gasoline
[12:28:55] <Jymmm> ...and a road flare
[12:29:21] <Jymmm> Tom_itx: you're on your own after that!
[12:30:16] <jthornton> 30F here too
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[12:30:53] <Jymmm> cold here too... 51F
[12:30:54] <jthornton> hmmm linux don't know how to make the degree symbol so Tom_itx must be on a windoze computer
[12:31:10] <Jymmm> 96%
[12:31:23] <Jymmm> jthornton: copy and pasted it probably
[12:31:37] <Tom_itx> shhh
[12:33:53] <jthornton> dang I slept in this morning
[12:35:37] <Tom_itx> happens to the best
[12:36:01] <Tom_itx> they just don't say so
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[13:07:13] <jthornton> I can't even blame it on DST
[13:08:34] <Tom_itx> no not yet!
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[13:21:39] <jthornton> I can blame it on Remy Martin I assume
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[13:22:51] <Tom_itx> that could pass as legit
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[14:48:12] <ssi> morn
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[15:06:39] <Loetmichel> mornin'
[15:08:27] <ssi> morn
[15:08:28] <PetefromTn_> morning
[15:08:28] <ssi> how's the cleanup going pete?
[15:08:28] <PetefromTn_> scrubbin'!
[15:08:28] <ssi> :)
[15:08:28] <PetefromTn_> it is actually a nice clean lathe under all that crud hehe
[15:08:28] <PetefromTn_> been trying to find some cash to buy some motors and drives etc
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[15:09:44] <ssi> you figure out what you need?
[15:09:44] <PetefromTn_> well yeah sorta, The machine has 1-1 heavy timing belt drives on X and Z
[15:10:01] <PetefromTn_> so I can basically put any nema 34 motor I want on there or smaller frame if I want
[15:10:16] <ssi> what's the X motor?
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[15:21:19] <PetefromTn_> and you know me I don't like screwing with it I would just rather buy new motors and drives if I can. Gotta see how much cash I can scrape up.
[15:23:25] <ssi> well in that case you should save up and get some kits like you did on the vmc
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[15:33:53] <PetefromTn_> Hows the house and whatnot coming?
[15:36:01] <ReadError> snow ;(
[15:36:05] <ReadError> its so early
[15:38:41] <PetefromTn_> yeah we got some snow last night too
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[15:48:29] <_methods> it's global warming
[15:48:40] <XXCoder> yeah. its making cold votex like lasy year
[15:48:49] <_methods> it got so warm in the arctic the cold moved down here
[15:48:51] <XXCoder> its going to be fucking cold this year again
[15:49:33] <_methods> silliness
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[15:51:20] <_methods> i'm about to go release some methane and freon
[15:51:28] <_methods> not really diggin this cold
[15:51:45] <XXCoder> just wait few more years
[15:52:02] <XXCoder> then greenland will run out of ice and oceans warm up faster
[15:52:18] <XXCoder> then... all heat you want! or not want.
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[15:53:11] <SpeedEvil> http://www.ebay.co.uk/itm/Reject-Insulation-2400x1200-Various-Sizes-Kingspan-Insulation-Board-Seconds-/141389391991?pt=LH_DefaultDomain_3&var=&hash=item20eb76e877 Just get that
[15:53:45] <XXCoder> or move to venus
[15:53:53] <XXCoder> heard its hottest planet in solar system
[15:54:08] <_methods> sign me up
[15:54:20] <_methods> just don't put me on one of dem exploding rockets
[15:54:40] <XXCoder> recent one exploded because operator hit "explode rocket" button
[15:54:48] <_methods> the other one too
[15:54:54] <XXCoder> its way to save surrounding areas when rocket screws up
[15:54:57] <_methods> virgin 2 lol
[15:55:19] <XXCoder> yeah too bad on that :( we DESPERATELY need more ways to space.
[15:55:23] <_methods> i think it's a stunt to spin up anti russian rocket engine sentiment lol
[15:55:32] <SpeedEvil> The Antares was using _50_ year old russian engines.
[15:55:45] <SpeedEvil> Not the design of - actual ones sitting in a warehouse
[15:55:52] <_methods> i think i still use some 50 y/o mills at work
[15:55:57] <XXCoder> oh talking about space... my nephew managed to land bigass lander with big rover on mun in KSP :)
[15:56:02] <SpeedEvil> _methods: yeah - sure.
[15:56:04] <XXCoder> im so proud, he beat me
[15:56:16] <_methods> hehe
[15:56:22] <XXCoder> he needed help on landing from me but otherwise..
[15:56:28] <SpeedEvil> _methods: But - it's unliekly that forexample all the paperwork on the engine construction is preserved too
[15:57:21] <XXCoder> we need fusion or antimatter in order to throw away toy chemical rockets and finally have real rockets
[15:57:24] <_methods> heheh you don't need paper to launch a rocket
[15:57:38] <_methods> or blow one up
[15:57:38] <XXCoder> you do actually. lots of paper. as in paperwork
[15:58:08] <SpeedEvil> _methods: you need the paper to find that engine #48 is the one Sergei droppd the spanner in and thought he got it out, but had had rather a lot of vodka by then.
[15:58:20] <_methods> heheh
[15:58:24] <_methods> did they document that
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[15:58:44] <_methods> sergei drunk again in main engine wearing monkey suit
[15:58:47] <SpeedEvil> Probably not in those terms- but concerns about specific issues with engines will be documented
[15:59:00] <SpeedEvil> Ideally - at least
[15:59:04] <_methods> doing strange things with bananna
[15:59:38] <SpeedEvil> Or records of repairs done by techniques now realised to lead to stress concentrations, or ...
[15:59:46] <_methods> ugh i got my ballscrews for my x2 i should be drawing shit
[15:59:53] <_methods> but i'm drunk already
[16:00:06] <_methods> drinking and drawing is bad
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[16:36:16] <zeeshan> PetefromTn_: are your motors DC brush?
[16:36:18] <zeeshan> or brushless
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[16:39:03] <zeeshan> grrrr
[16:39:11] <PetefromTn_> Well at first I was under the impression they were DC brushless but after speaking to their engineer and PCW and looking over the information I received on them it appears they are brushless AC servos
[16:39:16] <zeeshan> i just checked my tracking now and it says attempted delivery for the drives
[16:39:21] <zeeshan> i totally missed them on friday :(
[16:39:29] <zeeshan> now i gotta wait till tuesday to get em
[16:39:47] <zeeshan> PetefromTn_: ooo nice
[16:39:52] <PetefromTn_> or rather IT is a brushless AC servo
[16:40:15] <zeeshan> i always get confuysed
[16:40:21] <PetefromTn_> yeah it would be nice if I had both of the motors here
[16:40:26] <zeeshan> theres brushless AC servos
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[16:40:33] <zeeshan> and then brushless DC servos
[16:40:35] <PetefromTn_> but as it is I only have the X motor and no drives at all
[16:40:42] <zeeshan> or are they the same thing
[16:41:07] <zeeshan> or are all DC servos brushed
[16:41:15] <PetefromTn_> I have no idea
[16:41:29] <PetefromTn_> the engineer told me that they were just brushless servos.
[16:41:32] <zeeshan> you can probably get good money off ebay
[16:41:42] <PetefromTn_> PCW said they are AC brushless servos
[16:41:44] <zeeshan> does it have any controls on it?
[16:41:48] <PetefromTn_> no
[16:42:02] <PetefromTn_> which is why I got it so cheap
[16:42:21] <PetefromTn_> I would have gutted it anyways but if it had control I would have tried to sell it all
[16:42:41] <zeeshan> so you're pretty much starting from scratch
[16:43:03] <PetefromTn_> yeah like I said that is how I want it. I did the same thing with the Cincinatti
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[16:43:29] <PetefromTn_> it costs a bit more in the long run but all the stuff will be brand new and replaceable if it should fail for reasonable prices
[16:43:44] <zeeshan> thats what pushed me to rip all my controls out and sell em
[16:43:51] <zeeshan> i only kept the glass scales and dc servo motors
[16:43:55] <PetefromTn_> IMNSHO it is the best way
[16:44:04] <zeeshan> cause lets say i blow up a dc servo motor, i can replace it with any other dc servo motor
[16:44:06] <zeeshan> retune it
[16:44:07] <zeeshan> and its good to go
[16:44:23] <PetefromTn_> this machine is belt driven with timing belts 1-1 on both axes
[16:44:35] <PetefromTn_> I can actually run ANY motor with sufficient power on it
[16:44:50] <PetefromTn_> hell I could even run a bigass stepper if I wanted to like you did.
[16:45:19] <zeeshan> does it have any scales on it
[16:45:25] <PetefromTn_> no
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[16:46:46] <zeeshan> i have a 2.9hp motor for Z and 1.5 for X and Y and its a 3:1 drive ratio
[16:46:52] <zeeshan> seems a bit excessive
[16:47:06] <PetefromTn_> for what machine?
[16:47:11] <zeeshan> the mill
[16:47:42] <PetefromTn_> AC servos?
[16:47:48] <zeeshan> DC brush motor
[16:48:10] <zeeshan> what do you think you want your lathe to rapid at?
[16:48:12] <PetefromTn_> yeah that seems quite excessive unless the table is massively heavy or the knee or whatever
[16:48:21] <zeeshan> its meant to move 500kg loads
[16:48:24] <zeeshan> apparently
[16:48:34] <zeeshan> er
[16:48:35] <zeeshan> 300kg
[16:48:39] <zeeshan> so about 600lb
[16:48:44] <PetefromTn_> I would probably be happy with a 400 IPM rapid on the lathe I think.
[16:48:52] <zeeshan> then don't do what i did!
[16:48:56] <zeeshan> i'm no where close to that :(
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[16:49:10] <zeeshan> i get maximum 180~ rapid without step loss on Z
[16:49:12] <PetefromTn_> it is not really that necessary on a CNC lathe I think
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[16:49:20] <zeeshan> and 100 ipm on X
[16:49:30] <PetefromTn_> most of the work is right up against the chuck
[16:49:31] <zeeshan> with the 1200oz-in steppers
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[16:49:55] <zeeshan> yea i honestly dont think i'd benefit much by making it go faster
[16:50:10] <PetefromTn_> even when I get the toolchanger the most it will move is about eight to ten inches away and change tools and run back to the work
[16:50:16] <zeeshan> with the current steup i can do a .25" doc in aluminum
[16:50:26] <PetefromTn_> yes we know
[16:50:28] <zeeshan> at .375" doc the motor spit stalls
[16:50:33] <zeeshan> *spindle
[16:50:43] <zeeshan> so i think i coulda gone with smaller steppers like 800oz-in
[16:50:44] <PetefromTn_> the point of a CNC lathe is not really massive DOC
[16:50:58] <zeeshan> and allowed it to rapid more faster
[16:51:10] <zeeshan> why not?
[16:51:22] <PetefromTn_> just fast and proper doc with reasonable feeds
[16:51:36] <zeeshan> if youre using a vnmg 433 insert
[16:51:43] <zeeshan> the minimum doc is like .2"
[16:52:17] <PetefromTn_> yeah if you have the power and speed and rigidity to do it right.
[16:52:18] <CaptHindsight> http://www.shars.com/products/gallery/20207/202-2002-3E.jpg/ http://www.shars.com/products/gallery/20207/202-2002-3J.jpg/
[16:52:26] <zeeshan> which i do
[16:52:27] <CaptHindsight> PetefromTn_: http://www.shars.com/products/view/418/6quot_Standard_HorizontalVertical_Indexing_Spacer_and_Rotary_Index
[16:52:29] <zeeshan> cause it leaves a ncie finish
[16:52:50] <zeeshan> i was doing that .25" doc cut to get an idea how deep i can go in steel
[16:52:58] <zeeshan> and i think the answer is .100"
[16:53:07] <CaptHindsight> http://www.shars.com/products/view/418/6quot_Standard_HorizontalVertical_Indexing_Spacer_and_Rotary_Index Maximum individual division spacing error: 25 seconds
[16:53:16] <zeeshan> which is really needed for the vnmg331 and 332 inserts im running
[16:53:18] <PetefromTn_> CaptHindsight I used to have a Yuasa Super Accra Dex indexing spacer like that
[16:53:37] <PetefromTn_> it was an eight inch chuck
[16:53:53] <CaptHindsight> this looks pretty easy to motorize and automate
[16:54:08] <zeeshan> i'll motorize you CaptHindsight
[16:54:09] <PetefromTn_> yeah probably
[16:54:25] <PetefromTn_> they are certainly heavy duty little monsters
[16:54:33] <PetefromTn_> the Yuasa I had was real nice
[16:54:37] <PetefromTn_> I should have never sold it
[16:54:52] <PetefromTn_> I thought I did not need it anymore when I got the CNC and needed the money for other things.
[16:55:00] <PetefromTn_> Now I kick myself in the ass for letting it go.
[16:55:07] <zeeshan> rotary tables are so expensive
[16:55:13] <zeeshan> i scour for them on kijiji
[16:55:18] <zeeshan> theyre all in the 300-800 range
[16:55:24] <PetefromTn_> I got the one I had for like $200.00 used
[16:55:27] <zeeshan> and theyre HUGE!
[16:55:40] <zeeshan> i dont know where people use these 20" rotary tables
[16:55:51] <CaptHindsight> 25 arcseconds =0.00694444444 degrees,
[16:56:07] <zeeshan> CaptHindsight: what about backlash in that style of rotary tables
[16:56:13] <PetefromTn_> My shop is full of crap right now I got that new Air conditioning unit in there which makes it even worse
[16:56:33] <zeeshan> clean her up!
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[16:56:39] <PetefromTn_> I cannot even try to install the AC unit now since it is snowing outisde
[16:56:47] <zeeshan> its snowing?
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[16:56:53] <PetefromTn_> I need to pour the slab for the new unit and cannot do that in the freezing cold
[16:56:56] <PetefromTn_> yeah
[16:56:59] <zeeshan> wow
[16:57:04] <zeeshan> it's not even snowing up here
[16:57:12] <CaptHindsight> snow missed us
[16:57:22] <Tom_itx> the cold didn't
[16:57:23] <zeeshan> i thought tn was a warmer climate?
[16:57:23] <PetefromTn_> we got a couple inches last night but it is mostly melted now
[16:57:31] <PetefromTn_> but it is cold today.
[16:57:38] <PetefromTn_> Not supposed to warm up til mid week
[16:57:48] <PetefromTn_> when I can pour the slab and try to get this thing installed.
[16:57:52] <zeeshan> does it snow there enough
[16:57:54] <zeeshan> to need salt trucks?
[16:58:01] <PetefromTn_> sometimes
[16:58:34] <PetefromTn_> we get about four to five snow good days of snow a year here usually. This is unusual to get it this early tho.
[16:58:55] <CaptHindsight> oh I guess we did officially did get 0.1"of snow yesterday
[16:59:22] <PetefromTn_> CaptHindsight the nice thing about that super spacer is it has a nice wide base that would be easier to bolt down to the cross slide
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[17:02:13] <zeeshan> so much crap to do
[17:02:26] <zeeshan> need to put winters on :/
[17:02:33] <zeeshan> oil change
[17:02:42] <zeeshan> since mr asshole rx7 takes the garage
[17:02:51] <zeeshan> i have to freeze my ass outside and do the service on the wrx
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[17:03:03] <PetefromTn_> funny it does not mention the worm gear ratio or does it even have one..
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[17:04:38] <CaptHindsight> http://www.shars.com/products/view/417/Super_Rotary_Index_6quot this versions is 1:90
[17:05:26] <CaptHindsight> same for the 8" http://www.shars.com/products/view/415/Super_Rotary_Index_8quot 1:90
[17:05:46] <PetefromTn_> I like where the handle is the motor would be up and out of the way for mounting.
[17:05:53] <PetefromTn_> Looks like a stout little bastard.
[17:06:21] <PetefromTn_> I could drill that base flange in the Cincinatti and put a bunch of hold down screws into it.
[17:06:58] <CaptHindsight> there might be better or more to choose from but that what I noticed from Shars
[17:07:36] <PetefromTn_> yeah there are a lot of them out there.
[17:07:58] <PetefromTn_> I don't know what mechanisms are in the super spacer that would make or break using it in this fashion
[17:08:09] <PetefromTn_> I never took my yuasa apart for anything.
[17:08:18] <PetefromTn_> I know it came with masking plates
[17:08:30] <PetefromTn_> and had the quick handle to index based on the plates.
[17:08:48] <PetefromTn_> I would just use the worm drive and motor most likely.
[17:09:16] <PetefromTn_> I have been looking at videos and photos of these homebuilt turret indexers and I am even considering making one from scratch.
[17:09:36] <PetefromTn_> I would probably make it from steel plate and tig weld it together and then finish it in the Cinci.
[17:10:03] <PetefromTn_> Again this is all pie in the sky I still have the get the basic machine working before I worry about it.
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[17:10:44] <PetefromTn_> Definitely want something like that for an automatic toolchanger setup on it eventually tho.
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[17:11:07] <PetefromTn_> Well I am gonna heat up the shop and try to get more work done cleaning the shop and the new lathe.
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[17:20:50] <PetefromTn_> http://www.artofmanliness.com/2011/10/30/the-3-characteristics-of-an-educated-man/ interesting..
[17:25:49] <WalterN> PetefromTn_: enh, weather happens, and its always surprising and throws all the farmers off
[17:26:17] <PetefromTn_> yes indeed
[17:29:12] <WalterN> been a couple weeks since I had a saturday off of work... I should do something
[17:30:38] <WalterN> I kind of want an AMD ARM system for my personal server
[17:30:51] <WalterN> but its not released quite yet
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[21:59:05] <Deejay> gn8
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[23:43:53] <zee-Lathe> yay
[23:43:55] <zee-Lathe> lathe has internet
[23:44:31] <XXCoder> lol
[23:46:49] <zee-Lathe> its freezing in here
[23:47:08] <XXCoder> 67.6f here
[23:47:18] <XXCoder> gonna love my heat meter gun
[23:47:49] <XXCoder> window is 62f
[23:48:04] <XXCoder> not surpised, it sucks on seal
[23:48:06] <zee-Lathe> eheheh
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[23:49:43] <XXCoder> I just bought it, it's really useful for certain uses
[23:50:03] <XXCoder> I found couple major cold air leaks so far. door to garage is freakin 43f
[23:50:11] <XXCoder> older than outside
[23:51:53] <XXCoder> er colder
[23:54:41] <zee-Lathe> lol
[23:54:48] <zee-Lathe> its 15.5 C in the garage
[23:54:51] <zee-Lathe> according to the computer
[23:55:05] <zee-Lathe> cores are at 36c
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[23:59:22] <XXCoder> cool. or warm rather lol
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