#linuxcnc | Logs for 2013-02-27

[00:00:04] <JT-Shop> depending on your design some may poke out when you try an roll it
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[00:00:29] <JT-Shop> if you had a design on each flat then bent them to form a hex you would be different
[00:00:48] <tjb1> Well even a brake for 1/16 is pretty expensive
[00:01:04] <JT-Shop> or make them fit together like cattle panels
[00:01:23] <JT-Shop> do you have an H frame press?
[00:01:33] <tjb1> I guess if I "serrated" it with the plasma you could almost bend it by hand
[00:01:35] <tjb1> Yes
[00:01:58] <JT-Shop> you could rig up something to resemble a press brake for the H press
[00:03:03] <tjb1> I still have to finish the hal for the thc a-d
[00:03:06] <tjb1> too busy with school
[00:03:54] <JT-Shop> don't want to get distracted from your studies
[00:04:09] <tjb1> Well my dad keeps harping on me to get it running again :P
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[00:05:28] <JT-Shop> there is always nights and weekends
[00:05:51] <tjb1> I dont get home until friday at like 8-9pm and leave sunday at 3pm
[00:06:01] <tjb1> construction worker on saturdays lol
[00:09:28] <JT-Shop> can you ssh into your plasma?
[00:09:34] <tjb1> no
[00:09:47] <tjb1> i dont have internet at home
[00:09:58] <JT-Shop> take a copy of your config and set up a sim
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[00:10:15] <tjb1> I have the linux box up here at school
[00:10:23] <tjb1> I just havent got around to programming it
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[00:17:54] <tjb1> Still not sure if I got the correct number for the scale
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[00:34:26] <s1dev> a while back someone had a link to a video to a cnc machine center video with a halarious japanese narration anyone still have that?
[00:34:57] <Valen> inst all japanese narration hilarious?
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[00:38:51] <JT-Shop> I erased it...
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[00:51:37] <Tom_itx> JT-Shop, how's the splitter coming along?
[00:52:29] <JT-Shop> http://imagebin.org/248261
[00:52:42] <JT-Shop> gettin there
[00:52:50] <Tom_itx> looks like andy's lathe post worked for him
[00:53:02] <JT-Shop> kitty break
[00:53:09] <JT-Shop> union rules
[00:53:22] <Tom_itx> heh
[00:53:28] <Tom_itx> do you think you need all those ribs?
[00:53:52] <JT-Shop> no, but I like em
[00:54:12] <Tom_itx> i can see the bottom ones
[00:55:05] <JT-Shop> ?
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[00:55:39] <Tom_itx> i doubt you bend the beam
[00:55:52] <JT-Shop> i hope not
[00:55:53] <Tom_itx> not with all those ribs in it
[00:56:13] <Tom_itx> mine was just an I beam with ends welded on
[00:56:41] <JT-Shop> you know how i over do thing
[00:56:43] <Tom_itx> well the wedge was on one end
[00:56:50] <Tom_itx> heh
[00:57:31] <JT-Shop> typin with one finger woody on my lap bondng
[00:57:32] <AR__> why are you making a log splitter
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[00:57:50] <JT-Shop> to split fire wood
[00:58:44] <AR__> ok
[00:59:00] <JT-Shop> whew
[00:59:57] <JT-Shop> thought i might have to cut it up for scrap for a min
[01:03:08] <tjb1> What is a good mac text editor for this job?
[01:03:22] <JT-Shop> which job?
[01:03:30] <tjb1> Editing these hal files
[01:03:48] * JT-Shop is going to spyder fest this year
[01:04:14] <JT-Shop> have to ask Andy
[01:04:44] <tjb1> I'm not a fan of spyders....
[01:04:55] <tjb1> Shouldn't be able to get a motorcycle license with one
[01:05:03] <JT-Shop> its an aquired taste
[01:05:42] <tjb1> Well that's just because people can use them to get motorcycle license
[01:05:53] <JT-Shop> not here
[01:07:37] <JT-Shop> say goodnight Gracie
[01:08:05] <L84Supper> alfa spyder?
[01:08:16] <JT-Shop> Can Am
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[01:15:11] <AR__> http://www.youtube.com/watch?v=DyNd_WeGJNI
[01:15:13] <AR__> lol
[01:15:55] <Valen> oh thats nasty
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[01:16:24] <AR__> http://www.youtube.com/watch?v=VvsGsyGnfyE&NR=1&feature=fvwp
[01:16:25] <AR__> loool
[01:16:26] <AR__> omg
[01:16:36] <AR__> crash videos are my new favorite thing to watch
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[01:17:50] <L84Supper> that's not a bug , it's a feature "endmill impregnation"
[01:17:55] <AR__> loool
[01:18:30] <AR__> HHAHA http://www.youtube.com/watch?feature=endscreen&v=nr9Mki_ElXU&NR=1
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[01:18:34] <AR__> thats a good one
[01:19:33] <tjb1> say goodnight Gracie?
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[01:22:30] <L84Supper> http://www.youtube.com/watch?v=4hVoJjVgoLk I think I just found a source for the new leadscrews for my next table :)
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[01:25:49] <AR__> lol i just watched that too
[01:28:58] <L84Supper> http://www.shars.com/ and http://www.automationtechnologiesinc.com/ (aka Kelling) are ~20 miles apart, if they would share the same building it would save me some driving :)
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[01:30:24] <Tecan> AR good1
[01:33:44] <AR__> L84Supper, i got an indicator base from shars and the fucking thing snapped when i tightened the indicator on
[01:34:07] <Tecan> do people actually just clamp stuff in that loose ?
[01:34:09] <AR__> like the part with the holes in that the indicator post goes through
[01:34:17] <AR__> i dunno
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[01:58:37] <r00t4rd3d> http://craft-camera.com/EN
[01:58:59] <tjb1> ewww side scrolling website
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[02:04:47] <tjb1> JT-Shop: You here?
[02:09:14] <tjb1> pcw_home: ?
[02:13:33] <AR__> i dont like it r00t4rd3d
[02:15:55] <L84Supper> AR__: yeah, some of their stuff is crap, many not so bad
[02:16:15] <tjb1> Can you edit a comp file included in linuxcnc ?
[02:16:25] <tjb1> So I dont have to switch to developer mode and everything
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[02:27:40] <ReadError> i ordered 10 clamps today
[02:27:56] <ReadError> come to find out, they have a store on my way home from work ;/
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[02:32:30] <Valen> lol
[02:33:33] <tjb1> Valen do you know if you can edit built in comp files without having to add development packages?
[02:34:06] <Valen> why you asking me lol i have nfi
[02:34:17] <tjb1> Well someone has to know!
[02:34:29] <Valen> so ask the channel
[02:34:33] <tjb1> I did
[02:46:20] <R2E4_> -
[02:47:15] <skunkworks> I think you need to have the dev packages
[02:49:28] <skunkworks> tjb1: http://linuxcnc.org/docs/2.5/html/hal/comp.html#_installing
[02:49:41] <tjb1> To edit one already there?
[02:49:56] <skunkworks> yes - because you need to be able to re-build them
[02:51:25] <skunkworks> http://linuxcnc.org/docs/2.5/html/hal/comp.html#sec:Compiling-realtime-components
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[02:52:46] <tjb1> Ah...crap
[02:53:17] <tjb1> and I suppose I can't do this "setp thc.correction-vel (volts_requested - volts)*.001"
[02:54:07] <skunkworks> Isn't there a hal multiplication componant?
[02:55:56] <tjb1> http://linuxcnc.org/docs/html/man/man9/mult2.9.html
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[03:19:26] <WalterN> what are some good lasers to use to build a plastic type rapid prototyping machine around?
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[03:22:48] <WalterN> assuming I'm asking the right question... I'm not sure what the different process names are for rapid prototyping
[03:26:59] <L84Supper> WalterN: blue ray 405nm laser
[03:28:10] <L84Supper> WalterN: it's called SLA
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[03:28:59] <L84Supper> plenty of power and low cost
[03:29:30] <WalterN> SLA is the name (abbreviation) of the rapid prototyping process?
[03:29:47] <L84Supper> http://en.wikipedia.org/wiki/Stereolithography
[03:30:32] <L84Supper> you can also use a DLP projector
[03:35:41] <L84Supper> http://www.youtube.com/watch?v=8ehlWYfdS70
[03:36:19] <R2E4_> When using 5i25 and 7i77 with a bridgeport, I won't need the FMDC not the IFC boards right?
[03:36:37] <WalterN> hmm
[03:38:20] <WalterN> L84Supper: the plastic stuff is expensive though?
[03:38:48] <L84Supper> WalterN: some are lower cost than PLA filament
[03:38:57] <L84Supper> some are higher
[03:39:15] <L84Supper> http://code.google.com/p/lemoncurry/wiki/main
[03:39:34] <L84Supper> WalterN: http://bucktownpolymers.com/polymer00.html
[03:41:00] <WalterN> haha... color 3D objects
[03:41:05] <WalterN> thats awesome
[03:44:54] <R2E4_> Thats with BOSS 9
[03:47:17] <WalterN> L84Supper: how about powdered plastic?
[03:47:36] <L84Supper> WalterN: with inkjet or laser?
[03:47:40] <WalterN> laser
[03:48:23] <L84Supper> SLS works with plastics and metal powers
[03:49:19] <L84Supper> http://en.wikipedia.org/wiki/Selective_laser_sintering
[03:50:09] <WalterN> L84Supper: I was just planning on making a CNC mill for engraving purposes and planning on spending about $7,000 to make a nice one... never occurred to me to make a rapid prototyping machine.. I'm looking at options to make something nice
[03:50:44] <L84Supper> WalterN: you can use the mill for both
[03:51:21] <L84Supper> 3-axis gantry, just leave enough z-axis movement
[03:51:50] <L84Supper> or mount a laser and galvos on the z-axis
[03:52:21] <WalterN> heh, and use it for laser engraving too
[03:52:26] <L84Supper> or an extrted + nozzle for FDM
[03:52:32] <L84Supper> extruder
[03:52:50] <L84Supper> you can swap lasers
[03:53:18] <L84Supper> UV 405nm for curing photopolymers and IR for sintering or engraving
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[03:56:09] <WalterN> CO2 laser... wouldent you use... derp, yeah
[03:56:18] <WalterN> how much would such a laser cost?
[03:57:15] <L84Supper> depends on power output
[03:57:59] <WalterN> what power output is needed?
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[03:58:38] <L84Supper> depends on what you want to do
[03:58:52] <WalterN> all the things?
[03:58:58] <WalterN> (lol)
[03:59:09] <L84Supper> take a look at laser cutters and see what they do and how much power they use
[03:59:22] <tjb1> Does lovehappyshopping not sell tubes anymore?
[03:59:33] <L84Supper> blue ray 405nm lasers are ~$10
[03:59:48] <tjb1> http://www.ebay.com/sch/m.html?_odkw=&item=230370586877&pt=LH_DefaultDomain_0&_osacat=0&hash=item35a32830fd&_ssn=love-happyshopping&_trksid=p2046732.m570.l1313&_nkw=laser&_sacat=0&_from=R40
[03:59:53] <WalterN> how much power is necessary to SLS powdered titanium?
[03:59:59] <tjb1> They still sell the power supplies but no more tubes
[04:00:10] <tjb1> I find it odd they sell lasers and tubes and also nail polish and clothing
[04:00:49] <tjb1> http://www.ebay.com/itm/HighQuality-40W-CO2-Sealed-Laser-Engraver-Tube-Water-Cool-70cm-Engraving-Machine-/230926448080?pt=LH_DefaultDomain_0&hash=item35c449f5d0
[04:01:14] <tjb1> 172 for tube and about 165 for the power supply
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[04:03:25] <L84Supper> WalterN: it's a matter of physics, it depends on the particle size of the Ti powder and the laser spot size and the speed of sintering
[04:04:04] <WalterN> everything is a matter of physics
[04:04:26] <L84Supper> it's like asking whats a good medicine
[04:04:47] <L84Supper> 1KW for some applications
[04:05:02] <WalterN> in the beam? or input power?
[04:05:18] <L84Supper> output
[04:05:29] <WalterN> so 10kw input
[04:05:30] <WalterN> lol
[04:05:51] <L84Supper> big spot, large particles, high speed
[04:07:06] <AR__> i almost dont want to sell this
[04:07:07] <AR__> http://www.ebay.com/itm/181090544664
[04:08:13] <tjb1> Clever advertising AR__
[04:08:14] <WalterN> is a 100 watt continuous beam usable?
[04:08:21] <L84Supper> 220V 3phase, I have that in my sockets :)
[04:08:22] <AR__> :)
[04:09:16] <L84Supper> WalterN: you'll have to do some research and comparisons for what you'd like to do
[04:09:53] <WalterN> enh
[04:10:08] <WalterN> I know a guy who started making a 100 watt CO2 laser
[04:10:27] <WalterN> I dont think he finished, or if he ever will... might be able to buy it from him
[04:10:45] <L84Supper> http://www.joyfay.com/us/100w-co2-laser-tube-for-engraver-cutter-water-cool-160-cm-1600-mm.html?gclid=CLqQlaTP1bUCFeVDMgodKk8AbA
[04:10:56] <L84Supper> http://compare.ebay.com/like/160470882883?var=lv&ltyp=AllFixedPriceItemTypes&var=sbar
[04:12:09] <WalterN> looks about right
[04:12:17] <L84Supper> http://www.joyfay.com/us/150w-co2-laser-tube-for-engraver-cutter-water-cool-200-cm-2000-mm.html
[04:12:20] <WalterN> except he payed a lot less
[04:12:37] <tjb1> What is joyfay?
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[04:13:12] <L84Supper> http://www.joyfay.com/us/index.php/about-joyfay-delicate?___store=default
[04:13:27] <tjb1> this like aliebaba or whatever?
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[04:14:44] <L84Supper> distributor in Oakland Ca, or at least a phone number there :)
[04:14:45] <WalterN> L84Supper: are most plastic type rapid prototyping machines SLS?
[04:15:04] <tjb1> Most are probably FDM
[04:15:45] <L84Supper> WalterN: all those dinky rickety plastic filament printers are FDF or FFF
[04:16:02] <L84Supper> reprap
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[04:16:12] <L84Supper> makerbot etc
[04:16:17] <tjb1> FDF?
[04:16:25] <L84Supper> FDM
[04:16:52] <L84Supper> same thing
[04:17:11] <WalterN> ..?
[04:17:17] <tjb1> fused deposition modeling
[04:17:20] <tjb1> layers of plastic
[04:17:32] <tjb1> filament heated and extruded
[04:18:10] <L84Supper> http://www.automationtechnologiesinc.com/products-page/laser-engraving
[04:18:13] <WalterN> oh
[04:18:22] <WalterN> thats the cheap kind though, I thought
[04:18:25] <L84Supper> 80W tube for $600
[04:18:29] <tjb1> powder is cheaper
[04:18:48] <tjb1> if you are looking at material cost
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[04:19:23] <WalterN> I'm looking at all options
[04:19:25] <WalterN> :P
[04:19:38] <AR__> do the powder type :D
[04:20:07] <AR__> a DIY metal FDM machine would be cool
[04:20:16] <tjb1> I'm working on a delta fdm now
[04:20:45] <WalterN> change FDM?
[04:21:12] <WalterN> unless delta means something other than change
[04:21:35] <tjb1> change?
[04:22:05] <L84Supper> http://en.wikipedia.org/wiki/Delta_robot
[04:23:31] <WalterN> oh
[04:25:11] <L84Supper> "Hasta Mañana"
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[04:27:14] <tjb1> http://reprap.org/wiki/Kossel
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[04:34:42] <WalterN> herm
[04:35:11] <WalterN> what is typically used for plastic SLS?
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[04:37:02] <toastydeath> sls?
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[04:39:48] <WalterN> Selective laser sintering
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[05:56:16] <tjb1> I added an XML and it goes through the splash screen and the little temporary message from axis and then it all disappears without an error message
[05:56:18] <tjb1> any ideas?
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[06:32:38] <Tecan> holy crow its full in here
[06:33:47] <tjb1> no one talks though lol
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[06:49:43] <tjtr33> L84Supper, didja ever come across the table extrusion these mini mills all seem to use?
[06:49:46] <tjtr33> like http://www.joyfay.com/us/desktop-cnc-router-engraver-drilling-milling-engraving-machine.html ?
[06:53:05] <tjtr33> nm http://www.technocomponents.com/LMC/Extrusions/
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[07:34:22] <Jymmm> L84Supper: Did you say you can mix polymers?
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[08:00:35] <DJ9DJ> moin
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[08:31:23] <Loetmichel> mornin'
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[10:32:22] <r00t4rd3d> nite
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[12:48:46] <L84Supper> Jymmm: yes, blend, make, mix etc
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[13:59:36] <Jymmm> L84Supper: Got anything that withstand high heat and is food safe?
[14:00:39] <L84Supper> Jymmm: a polymer or photopolymer?
[14:00:44] <Jymmm> L84Supper: silicone? phenolic? something else?
[14:01:19] <Jymmm> L84Supper: I have a water bottle and want to replace the threaded cap with somethign heat resistant
[14:02:32] <L84Supper> Jymmm: do you want to machine it, cast it, print it?
[14:03:13] <Jymmm> L84Supper: Well, I only need two of them and dont have a mill
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[14:04:26] <mk0> fluoroplastic; ftoroplast?
[14:04:39] <mk0> dunno how right in english
[14:04:45] <Jymmm> food safe
[14:04:59] <Jymmm> mk0: you mean teflon?
[14:04:59] <mk0> isn't it?
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[14:05:43] <Jymmm> "fluoro" usually isn't at high heat
[14:05:46] <L84Supper> how high a temp range?
[14:05:51] <mk0> maybe. in vocabulary it's a synonym. polytetrafluorethylene
[14:05:59] <Jymmm> Literaly thrown in a fire
[14:06:09] <mk0> об no then
[14:06:24] <mk0> 400 deg C
[14:06:51] <L84Supper> sand cast aluminum within your range of ability or desire?
[14:07:12] <Jymmm> I want to be able to booil water in the SS bottle and route the steam off
[14:07:31] <Jymmm> basically making a stile
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[14:08:16] <L84Supper> make a mold of the cap, max wax mold, sand cast or ask somebody here to machine two for you :)
[14:08:25] <L84Supper> max/make
[14:08:44] <Jymmm> maybe I can just use silicone
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[14:09:07] <Jymmm> I just wanted something a lil more denser
[14:10:15] <L84Supper> http://www.jbweld.com/product/j-b-highheat/ is good to 400 F
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[14:10:41] <Jymmm> actaully 550F, but not food safe
[14:11:18] <L84Supper> cast or machine something
[14:11:48] <L84Supper> even ceramics
[14:11:59] <Jymmm> I think casting will be simplest, just need to figure out what to cast it in
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[14:12:14] <L84Supper> make a latex or silicone mold
[14:12:18] <Jymmm> Needs to be more durable
[14:12:29] <L84Supper> you have the original cap as a mold
[14:12:39] <Jymmm> yep
[14:12:40] <L84Supper> to cast two?
[14:12:50] <Jymmm> to withstand abuse
[14:13:39] <Jymmm> I want to go backpacking and be able to desalinate water
[14:14:39] <L84Supper> I'm pretty sure they sell aluminum bottles with aluminum caps
[14:15:01] <Jymmm> al always taste nasry
[14:15:13] <Jymmm> nasty. That's why i use SS
[14:15:19] <L84Supper> anodize it
[14:15:32] <Jymmm> SS works for me
[14:15:44] <Jymmm> doens't melt when toss in the fire either =)
[14:15:58] <L84Supper> I like you Jymmm
[14:16:06] <L84Supper> you answer your own questions
[14:16:30] <Jymmm> Not yet,
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[14:18:03] <Jymmm> Silicone is food safe and will withstand high temp, but it's not durable to things like nicks and abrasion. What I needed from you L84Supper is some polymer or addistive for solicone to make it more durable to abuse
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[14:18:36] <L84Supper> are you willing to order a 200kg drum of the stuff?
[14:19:02] <Jymmm> not really =)
[14:19:49] <Jymmm> L84Supper: But... I could order samples =)
[14:19:55] <L84Supper> that's the fun of working with these components, the suppliers only like to sell in drums
[14:20:27] <L84Supper> 4-5 or more components in a blend
[14:20:59] <L84Supper> 250 gallons to make the 8oz somebody would like :)
[14:21:01] <Jymmm> an assoerment evaluation sampler =)
[14:21:17] <Jymmm> just like chocolates =)
[14:22:15] <L84Supper> high temp polymer sampler assortment ...... now in 1800, 8oz bottles
[14:22:44] <Jymmm> 1 please
[14:23:26] <Jymmm> L84Supper: But, what would I be getting?
[14:27:42] <L84Supper> http://tinyurl.com/c3lk7k8 Stainless steel sanitary bottle; 1 liter, 3" flange $920.00 USD
[14:28:03] <Jymmm> your funny
[14:28:15] <L84Supper> http://www.coleparmer.com/Category/Stainless_Steel_Sanitary_Bottles/5534 different sizes
[14:28:51] <Jymmm> I have 1200mL SS bottles already, I need the high heat cap =)
[14:29:10] <Jymmm> I think I found something.... Silicone stoppers
[14:29:37] <Jymmm> http://www.coleparmer.com/buy/product/4306-high-purity-silicone-stopper-size-6d.html
[14:29:38] <L84Supper> I'm still not really sure what you are looking for
[14:32:32] <Jymmm> The caps I have are made from abs/pvc, at the very least they will leech plasticizers into the water when heated on a fire
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[14:38:24] <Jymmm> L84Supper: Fuck it, I'll make from duct tape =)
[14:39:16] <skunkworks> cork?
[14:39:19] <skunkworks> :)
[14:39:33] <Jymmm> skunkworks: burns in fire =)
[14:39:58] <skunkworks> fosslized cork?
[14:40:07] <Jymmm> lol, there we go =)
[14:40:34] <Jymmm> Could use bakelite too (phenolic)
[14:41:55] <skunkworks> Mmmm the smell of bakelite... (used to have bakelite circuit board stock when I was a kid..)
[14:42:03] <Jymmm> BEER TO THE RESCUE!!!!!!! http://www.williamsbrewing.com/10-VENTED-SILICONE-STOPPER-P2667.aspx
[14:43:53] <L84Supper> oh, so you're just looking for a 400 C food safe silicone gasket
[14:44:02] <L84Supper> why didn't you just say so?
[14:44:21] <Jymmm> Not gasket, screw cap
[14:44:38] <Jymmm> and I DID SAY! You just didn't listen =)
[14:45:39] <L84Supper> a SS cap will hold up better
[14:48:15] <Jymmm> http://i.ebayimg.com/t/Rare-41-Oz-1200mL-SUBZERO-Water-Bottle-Stainless-Steel-Carabiner-Blue-/00/s/MTYwMFg5MDA=/$T2eC16hHJF8E9nnC9bTIBQB%28OWHdY!~~60_35.JPG
[14:48:17] <L84Supper> if i was counting on using saltwater and desalinization to stay alive, I'd rather have a SS cap
[14:49:31] <L84Supper> http://www.youtube.com/watch?feature=player_embedded&v=kmxaqvLvS0E P2i hydro-phobic nano-coating technology, makes all electronics water-resistant
[14:49:51] <Jymmm> so does wd40
[14:53:28] <L84Supper> Parylene and this new one last far longer, longer than the typical life of a cell phone
[14:53:42] <Jymmm> ah
[14:54:32] <skunkworks> he has a cnc and rotory axis - why is he offsetting the crank to make the journals? :)
[14:54:36] <L84Supper> so if you drop your phone in the water, you can just shake it off
[14:54:44] <skunkworks> could all be done with one setup
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[14:55:29] <Jymmm> Damn back seat irc drivers
[14:57:28] <r00t4rd3d> I cut a 296 word poem last night, while I was cutting the border, the last thing to be cut, my machine crashed into one of my clamps and stalled my machine.
[14:57:42] <r00t4rd3d> ruined
[14:58:47] <L84Supper> any video?
[14:58:58] <r00t4rd3d> no.
[14:59:11] <L84Supper> yesterday was cnc crash videos day :)
[14:59:27] <Jymmm> Yeah! Just like nascar, we wanna see the crash n burn videos!
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[14:59:40] <r00t4rd3d> i might take a pic of the fucked up piece
[14:59:49] <r00t4rd3d> i dont even want to look at it atm
[15:00:03] <r00t4rd3d> 3.5 hours of cutting
[15:00:08] <r00t4rd3d> 30F
[15:00:30] <r00t4rd3d> and i got to do it again today :(
[15:00:47] <Jymmm> Lather, Rinse, Repeat
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[16:01:10] <r00t4rd3d> http://www.urbee.net/home/
[16:01:14] <r00t4rd3d> 3d printed cars
[16:02:28] <r00t4rd3d> http://www.youtube.com/watch?feature=player_embedded&v=2JpIj9IN924
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[16:24:41] <tjb1> JT-Shop:
[16:24:57] <JT-Shop> aye
[16:25:24] <tjb1> I had to edit comp file a bit
[16:25:25] <tjb1> http://pastebin.com/CEnTHmfD
[16:25:43] <tjb1> Also got the XML to work
[16:32:34] <JT-Shop> \cool
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[16:38:04] <tjb1_> Just confused a bit about how to pass the Z back and forth
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[16:40:29] <JT-Shop> what do you mean by pass the Z back and forth?
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[16:41:29] <tjb1_> I remember before there were a few z lines added to hal
[16:41:55] <JT-Shop> all the connections are in the description
[16:43:11] <tjb1_> Id have to look at my old HAL
[16:44:16] <tjb1_> http://pastebin.com/KWz7FDBJ
[16:44:19] <tjb1_> Those specifically
[16:45:00] <JT-Shop> what's the question?
[16:45:48] <tjb1_> I can just change those to thc instead of thcud ?
[16:45:57] <JT-Shop> yea
[16:46:17] <tjb1_> Awesome, might be done then!
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[17:08:31] <IchGuckLive> hi B)
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[17:13:19] <IchGuckLive> today i got 15 new OLD pc for the education room and they got a gigantic 8k latency as the old ones im driving at 50k
[17:13:39] <IchGuckLive> i looked on ebay they are sold at 60 euros
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[17:21:41] <IchGuckLive> folks is it more performance when i disable hypertread ?
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[17:29:37] <skunkworks> https://www.youtube.com/watch?v=qtiR2-SHlus
[17:29:53] <skunkworks> IchGuckLive, usually
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[17:32:05] <IchGuckLive> Thanks nice mashine
[17:32:31] <IchGuckLive> thinks you never imagine are doone by linuxcnc
[17:33:20] <IchGuckLive> skunkworks: sounds like bruce from brasil
[17:33:26] <IchGuckLive> in the vid
[17:35:25] <AR__> i need meth
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[17:36:17] <IchGuckLive> skunkworks: isent HT in bios
[17:36:57] <skunkworks> yes
[17:37:01] <skunkworks> if it is an option.
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[17:38:51] <IchGuckLive> the cat prog/cpuinfo sees a flag HT so i think its hypertread but i cand find it in bios
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[17:48:14] <IchGuckLive> in our wikipedia latency page are there test presets for the numbers or only the run itself
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[18:01:34] <R2E4> Is there a list of compatible mpgs?
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[18:05:43] <IchGuckLive> R2E4: there is a list of hardware in the ewikipedia
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[18:15:00] <L84Supper> who has the best prices on NSF / FDA approved HDPE and PP sheet?
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[18:23:36] <r00t4rd3d> walmart
[18:23:41] <r00t4rd3d> cutting boards :D
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[18:23:58] <IchGuckLive> homedepo has always good pp
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[18:24:29] <L84Supper> yeah, for small sheets it's the way to go up to ~3/8"
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[18:28:52] <L84Supper> need to make a 3-axis stage with 1.5" travel out of HDPE
[18:29:30] <andypugh> hexapod! (with flexure joints)
[18:30:25] <IchGuckLive> L84Supper: you are in canada wright
[18:30:43] <L84Supper> US and China, depending on my mood :)
[18:31:11] <IchGuckLive> ah china is on holiday kt is aeays drunk O.O
[18:31:33] <L84Supper> spring festival is over
[18:32:34] <IchGuckLive> till 3.3
[18:32:53] <IchGuckLive> so one week to go to normal workflow
[18:32:59] <L84Supper> maybe in a different China
[18:33:06] <IchGuckLive> Hk
[18:33:35] <Loetmichel> chinese new year is done almost two weeks
[18:33:47] <Loetmichel> that must be a HELL of a hangover ;-)
[18:34:09] <IchGuckLive> we ask him why if he joins in ktchk
[18:34:10] <L84Supper> it is actually one of the times that most people have a drink
[18:34:23] <mrsun_> hmm anyone here have a south bend lathe? :)
[18:34:29] <mrsun_> might have asked that before ..
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[18:38:53] <archivist> and you should remember
[18:39:17] <WalterN> L84Supper: oh, how is new material laser sintered BTW?
[18:39:20] <WalterN> I mean
[18:40:01] <WalterN> with laser sintering, a laser sweeps the surface, then an arm or something goes across the surface depositing material across the top?
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[18:40:53] <mrsun_> archivist, but i dont .. i forget everything all the time :P
[18:42:51] <archivist> you forgot I took my tailstock apart for pictures!
[18:43:35] <mrsun_> ahh yes! =)
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[18:43:51] <mrsun_> i remembered someone did it but not who :P
[18:43:54] <mrsun_> thanks alot for that =)
[18:44:15] <mrsun_> archivist, does it have "standard" south bend compound rest hole etc? :)
[18:44:30] <xxoxx> is Smithy's any good ?
[18:45:16] <archivist> probably standard on mine
[18:45:23] <mrsun_> http://www.desmoines-classifieds.com/Warren-County-/Farm-Supplies-/Road-building-/South-bend-9-10K-lathe-compound-rest-w-nut-gib-adimage.jpg that hole
[18:45:42] <mrsun_> and if you know what the pins are made of, are they hardened? brass etc? :)
[18:49:22] <archivist> mrsun_, yes I think mine is similar http://www.collection.archivist.info/archive/DJCPD/PD/2012/2012_06_15_Adcock_Shipley/IMG_1250.JPG
[18:50:27] <archivist> never had mine out
[18:51:41] <andypugh> xxoxx: They are pretty well integrated to LinuxCNC.
[18:52:05] <xxoxx> ok. I am thinking about getting one.
[18:53:55] <andypugh> I think their EZ-Trol is linuxCNC with a different GUI, but I could be wrong.
[18:54:26] <xxoxx> oh...
[18:54:35] <L84Supper> WalterN: http://www.youtube.com/watch?v=SVkUwqzjGJY&feature=youtu.be
[18:55:34] <WalterN> L84Supper: ah, yeah... herm
[18:56:04] <xxoxx> I only got a C0 baby lathe right now. Thinking about getting a full size one.
[18:56:05] <WalterN> is that sweeping roller thing hard to make correctly?
[18:56:16] <andypugh> xxoxx: I would certainly want to see one in action before spending the money.
[18:56:24] <xxoxx> ok
[18:57:00] <L84Supper> WalterN: not really, if you can make the router you were talking about
[18:57:12] <xxoxx> I see Smithy's adverts in magazines a lot
[18:57:17] <andypugh> I am actualkly more a fan of old machine tools, made when Iron was cheaper.
[18:57:38] <WalterN> L84Supper: how thick typically is the deposited powder thickness?
[18:58:03] <archivist> old iron is so much better :)
[18:58:23] <L84Supper> WalterN: http://www.youtube.com/watch?v=88BPmL8cGAo does it a little differently
[18:58:35] <andypugh> The problem is finding something that is nice enough to convert, but not too nice to dismantle :-)
[18:58:40] <xxoxx> I wonder if metal powder sintering is within reach of small shop / hobbyists ?
[18:59:02] <xxoxx> or die casting
[18:59:08] <andypugh> I am sure it is, have you seen the stuff that some hobbyosts do?
[18:59:28] <xxoxx> andypugh, true
[18:59:59] <L84Supper> WalterN: 0.1mm or less, pretty much down to the average particle dia. if you want
[19:00:37] <WalterN> L84Supper: is it typically variable?
[19:00:40] <andypugh> This is looking like a bargain: http://www.ebay.co.uk/itm/Bridgeport-Romi-EZ-Path-CNC-Lathe-/190803529045?pt=UK_Home_Garden_PowerTools_SM&hash=item2c6cc6cd55
[19:01:20] <L84Supper> WalterN: you usually set the z-axis res to the same thickness during a print
[19:01:45] <L84Supper> sice you have to slice the 3d model into layers, what you slice you need to match with on the printer
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[19:02:49] <L84Supper> DIY plastic powder SLS http://www.youtube.com/watch?v=uu6Lemm_Dts
[19:03:02] <xxoxx> oh.. cool
[19:03:44] <L84Supper> nice lathe for ~$1k
[19:04:08] <WalterN> interesting
[19:04:19] <WalterN> they used a 200watt laser for metal SLS
[19:05:07] <IchGuckLive> 60w co2 is enoph at 400USD
[19:05:20] <IchGuckLive> for titanium powder
[19:05:44] <L84Supper> all depends on speed, particle size, etc etc
[19:06:31] <WalterN> I want 100 watts :P
[19:07:16] <WalterN> because why not
[19:07:38] <WalterN> I should call Matt and see if he wants to sell his unfinished 100 watt laser project
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[19:19:40] <xxoxx> FDM for now. will try SLS later on
[19:20:41] <xxoxx> focusing on CNC permanent mold -> wax mold -> investment cast
[19:20:53] <WalterN> hmm
[19:21:20] <xxoxx> small batch (500 parts) precision aluminum jobs
[19:21:27] <WalterN> how much does a commercial plastic SLS type machine typically cost?
[19:21:57] <xxoxx> WalterN, I've only investigated DIY home-built type SLS rig
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[19:22:13] <xxoxx> commercial grade might be quite expensive. unlike FDM
[19:22:32] <WalterN> xxoxx: how much does DIY cost then?
[19:22:35] <xxoxx> perhaps we need a SLS-Replicator
[19:22:48] <xxoxx> WalterN, within $2k
[19:22:55] <WalterN> what kind of laser?
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[19:23:09] <xxoxx> carbon laser ?
[19:23:32] <xxoxx> CO2
[19:23:36] <WalterN> the one I'm thinking about using would cost about $1,000 just for the tube I think
[19:24:07] <WalterN> not sure about the power supply
[19:24:12] <xxoxx> I've only looked at jewlery-maker style/size machine
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[19:24:43] <WalterN> oh yeah, I would want a couple feet of movement in both x and y
[19:24:57] <WalterN> maybe more
[19:25:21] <xxoxx> I see
[19:25:52] <xxoxx> I am only looking maybe 6 inch of movement, but high precision
[19:26:06] <WalterN> ballscrews++
[19:26:16] <xxoxx> Isn't Replicator coming out with SLS ?
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[19:26:28] <xxoxx> I thought I heared from a while ago.
[19:27:06] <xxoxx> Replicator-SLS would be sweet.
[19:27:25] <WalterN> is replicator a company?
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[19:28:02] <WalterN> ohhhh hermm
[19:28:12] <WalterN> I wonder if...
[19:28:15] * WalterN thinks
[19:28:42] <WalterN> rapid prototyping, laser printer style?
[19:29:07] <JesusAlos> hi
[19:30:41] <xxoxx> Replicator is a 3D printer
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[19:31:38] <WalterN> xxoxx: a specific kind?
[19:31:48] <xxoxx> yes. it's very popular
[19:32:03] <xxoxx> open-source too
[19:32:17] <xxoxx> http://store.makerbot.com/replicator.html
[19:32:44] <xxoxx> I have a Replicator clone. Makes nice plastic parts
[19:33:43] <WalterN> 5 liters of volume? thats tiny
[19:33:51] <xxoxx> yeah
[19:33:59] <xxoxx> any bigger would take too long to print
[19:34:10] <xxoxx> 3D printers presently are quite slow
[19:34:41] <WalterN> hmm
[19:35:35] <xxoxx> snail's pace
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[19:40:21] <mrsun_> hmm if i run into "carbides" in cast iron, will i ruine my hss tooling ?
[19:40:34] <WalterN> I'll have to think about SLS methodologies for a while to mentally build such a machine
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[19:47:18] <L84Supper> it's doubtful that makerbot will make a SLS printer
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[19:48:05] <L84Supper> they are targeting the low end consumer hype only makes parts with one material market
[19:48:21] <WalterN> time to go see about getting some parts for my car
[19:50:24] <xxoxx> http://www.cnczone.com/forums/casting_metals/51763-aluminium_manual_die_casting_technique.html
[19:50:33] <xxoxx> good article on DIY metal casting
[19:50:39] <xxoxx> good thread I mean
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[20:02:56] <Tom_itx> andypugh, I saw the video
[20:03:37] <Tom_itx> does it look right?
[20:05:28] <R2E4> Would it be worth trying to convert an old colchester student lathe to cnc with linuxcnc?
[20:06:20] <L84Supper> one of the most popular applications for SLA is lost wax casting, the photopolymers burn out just like wax
[20:07:43] <L84Supper> all those parts shown at that link would be easy, features down to 50um are possib;e with DLP or laser
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[20:10:30] <andypugh> Tom_itx: Yes, it looks good.
[20:10:43] <andypugh> I need to make a metal-spinning tool now, and then I will give it a try.
[20:10:48] <Tom_itx> did you run my updated file or one you modded?
[20:11:03] <andypugh> I slightly modded your second file.
[20:11:07] <Tom_itx> k
[20:11:11] <L84Supper> http://www.makeyourownjewelrysite.com/blog/
[20:11:14] <andypugh> (there was a funny out-of-sequence cut)
[20:12:01] <Tom_itx> were the retracts ok at the profile ends?
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[20:12:24] <andypugh> L84Supper: Is that a real site, or a penis enlargment thing?
[20:13:33] <Tom_itx> that out of sequence cut may have been when i grouped the tool and resequenced it
[20:13:36] <cradek> a weird combination
[20:13:37] <Tom_itx> i could have missed a path
[20:14:05] <andypugh> It was obvious enough on the Axis preview, so no problem.
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[20:14:35] <Tom_itx> when i do a tool offset and repeat it always generates the paths in reverse order
[20:14:58] <Tom_itx> so i always have to reverse them and once in a while i miss one
[20:15:14] <andypugh> That sounds annoying.
[20:15:26] <Tom_itx> well it kinda is but i've grown used to it
[20:15:34] <andypugh> Isn't CAM meant to just work?
[20:15:42] <Tom_itx> it's not the cam
[20:15:45] <Tom_itx> it's the cad part
[20:15:54] <andypugh> Ah, OK.
[20:15:56] <Tom_itx> i got the cam working pretty good i think
[20:16:07] <Tom_itx> i didn't edit that at all
[20:16:10] <Tom_itx> the gcode
[20:16:25] <andypugh> Anyway, many thanks, and I need to get back to it, as the whole thing ideally wants to be done by saturday night...
[20:16:38] <Tom_itx> heh good luck spinning it
[20:17:03] <Tom_itx> take an old and new pic
[20:17:13] <L84Supper> http://www.youtube.com/watch?feature=player_embedded&v=Yyx7RXIy3ng nothing like using a torch inside a wooden box, what could go wrong?
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[20:21:53] <Connor> Just got my powerCON plugs and sockets in.. They're pretty cool
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[20:53:08] <Tom_itx> andypugh, i see what you mean on that out of sequence move. I'm not sure how that happened really
[20:53:18] <andypugh> Connor: Told you they were nice connectors
[20:53:32] <Tom_itx> about 7 or 8 cuts in from the finish
[20:53:43] <andypugh> Airtight too. Not sure why that would be improtant in CNC, but still.
[20:54:26] <Connor> Airtight ?
[20:54:28] <Connor> You sure ?
[20:54:37] <andypugh> Yes, thats the one. Line 2721 from memory?
[20:54:58] <andypugh> Connor: Sockets, I believe so. The contacts are moulded in.
[20:55:14] <andypugh> Right, spinning tool forging, step 2....
[20:55:19] <Tom_itx> dunno, i'm looking at the model
[20:55:39] <Tom_itx> it posted what it saw
[20:56:31] <Tom_itx> it's odd that got out of sequence there though since it was auto generated
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[21:06:35] <mrsun> making a tapered gib, wouldnt that just be putting a piece of flat on an angle, mill it or whatever to that angle say 1 degree, then just side cut them like any ordenary gib? :)
[21:07:42] <mrsun> or am i trying to simplify it to much? :P
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[21:19:40] <andypugh> mrsun: https://plus.google.com/photos/108164504656404380542/albums/5397760774091143489
[21:20:04] <andypugh> (step-by-step making tapered gibbs for my lathe_
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[21:20:24] <mrsun> yes but those are not for dovetails :P
[21:20:41] <mrsun> but shouldnt the process be the same but i would have to mill the angles on the sides also ?
[21:21:02] <andypugh> Well, I cheated by making the two parts together so that they _had_ to fit.
[21:21:27] <andypugh> Do the existing dovetails have a taper?
[21:21:34] <mrsun> no
[21:21:36] <mrsun> =)
[21:21:50] <andypugh> Well, a tapered gibb won't fit then...
[21:22:05] <andypugh> "folding" gibs might work.
[21:22:13] <mrsun> andypugh, well im modifying :P
[21:22:19] <mrsun> so the dovetail will be tapered
[21:24:09] <andypugh> Good luck with that.
[21:24:22] <mrsun> why ? :)
[21:24:38] <mrsun> shouldnt it only be to put it in at an angle and remill the dovetails =)
[21:24:56] <mrsun> problem is that i know it got carbide in it ... so hss dovetail cutters might not cut it :P
[21:24:59] <mrsun> literaly
[21:25:17] <andypugh> Do you have a dovetail cutter?
[21:25:59] <mrsun> i have but not the right angle but i would order one if i start the project =)
[21:26:04] <mrsun> its 55 degrees on the milling machine
[21:26:09] <mrsun> got 45 and 60 :P
[21:26:15] <andypugh> I guess you could cut one dovetail at an angle, glue in the tapered gib, then machine both dovetails at the same setting to make sure they are exactly parallel. Then scrape a lot.
[21:26:30] <andypugh> Then release the glue with heat.
[21:28:01] * skunkworks waits for andypugh to reply to his dividing head thread
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[21:32:06] <Tom_itx> andypugh, have you run the inner one yet?
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[21:48:08] <Tom_itx> andypugh, i posted a new inner file. i added a couple extra cuts at the beginning. it looked like the tool could have gouged the corner of the material at the beginning
[21:48:41] <Tom_itx> depending on the stock size you started with
[21:51:06] <Tom_itx> 176.2 mm diameter is what i used on that one
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[22:13:25] <DJ9DJ> gn8
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[22:22:18] <r00t4rd3d> anyone like wwii flight sims?
[22:22:19] <r00t4rd3d> http://warthunder.com/en/
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[22:31:17] <r00t4rd3d> screenshots are amazing
[22:31:17] <r00t4rd3d> http://imgur.com/a/AfEsE#0
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[22:39:00] <L84Supper> RTAI is working with Linux 3.5
[22:39:13] <L84Supper> now to test with EMC
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[22:44:54] <r00t4rd3d> its gonna laugh at you and call you dirty names
[22:48:36] <r00t4rd3d> L84Supper, how did you get it working with such new kernel?
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[22:58:25] <andypugh> Tom_itx: I made a practice one out of aluminium, it's looking like it might work :-) https://plus.google.com/photos/108164504656404380542/albums/5849768999973574065
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[22:59:15] <Jymmm> Ok, I'm doing some serious cleaning... old computer related parts, go from 20 shoeboxes to 1. Yes? No? Maybe?
[23:00:14] <andypugh> 0?
[23:01:03] <Jymmm> Nah, you never know, you might need that one cable/part to fix something
[23:02:39] <r00t4rd3d> http://www.youtube.com/watch?v=pii4G8FkCA4
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[23:04:06] <r00t4rd3d> Jymmm is that you?
[23:06:38] -!- JesusAlos has quit [Quit: ChatZilla 0.9.90 [Firefox 11.0/20120310193829]]
[23:06:49] <r00t4rd3d> The Cookie Millster
[23:08:22] <andypugh> I like his rather deadpan delivery.
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[23:12:07] <Jymmm> r00t4rd3d: LOL that was pretty good!
[23:12:42] <Jymmm> r00t4rd3d: And no, I like oroes the way they are
[23:20:23] <andypugh> Valen: http://www.aliexpress.com/item/AC-Servo-Motor-Driver-3-Kits-3-Axes-Original-Shanghai-Electric-Complete-System-750w-3-2/639396592.html
[23:20:53] <Valen> inyrtrdyinh
[23:20:58] <Valen> bah
[23:21:01] <Valen> interesting
[23:21:14] <Valen> only 3.2nm though?
[23:21:16] <andypugh> $US 126 shipping too
[23:21:38] <Valen> dmm said they would under value the packing slip so it'll go through customs
[23:21:41] <andypugh> Lots more on there.
[23:22:14] <Valen> I always get worried buying stuff from china
[23:22:26] <skunkworks> logger[psha]:
[23:23:19] <andypugh> Aye. I would be a lot more comfortable with DMM. They have at least been in business for several years.
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[23:24:42] <Valen> I'll have to give the local allen bradley and baldour reps a call
[23:24:51] <Valen> I have a feeling i should be sitting down
[23:25:23] <cradek> stupid forum "subscribes" me by default and I always forget to uncheck it
[23:25:26] <andypugh> Maxon too. :-) (maybe lie down)
[23:25:39] <Valen> do maxon go up to that power level?
[23:25:48] <andypugh> Probably not.
[23:25:54] <Valen> 0.72nm i could probably get from them for the same price
[23:26:07] <Valen> they do make nice stuff though
[23:26:29] <andypugh> Maxon go up to 400W
[23:27:44] <andypugh> Servos have low torque relative to steppers. But they have that torque to high speeds, so it is more effective (especially as 5:1 gearing is probably fine)
[23:28:35] <Valen> last time i looked at maxon a 5W motor driver was $250
[23:30:19] <Valen> super helpfull guys there though
[23:30:54] <Valen> got me out of a pickle i was having with a cheap made in china motor
[23:31:00] <Valen> (it ate the brushes)
[23:31:09] <andypugh> They have online pricing. (which is pretty unique). 13mm 6W brushless is CHF162.70. (which is £114)
[23:31:28] <Valen> put the motor on the scope, had about 4v of noise (which was good with a 3v supply)
[23:31:38] <Valen> put the maxon in ~.05v of noise
[23:32:01] <Valen> 167131 EC 60 Ø60 mm, brushless, 400 Watt, CE approved, with Hall sensors 60 mm 400 W 48 V 3100 rpm 830 mNm CHF 1,008.70
[23:32:05] <andypugh> Yes, we used to use them a lot in a previous job. The technical help more than made up for the higher price in 1 to 6 offs like we made.
[23:38:51] <andypugh> I wonder what this is? I am tempted to buy it to find out: http://www.ebay.co.uk/itm/Shaft-To-Digital-Encoder-Librascope-713-18-8-Used-/330859627467?pt=UK_CPV_Aviation_SM&hash=item4d08c543cb
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[23:42:30] <andypugh> skunkworks: re the cnczone thread, I don't see much to respond to. The last guy was largely correct, in a way that is irrelevant.
[23:43:11] <Valen> did you see that briefcase mill?
[23:43:26] <DaViruz> soo, an encoder that fits onto a 28mm hollow shaft, any chances of finding one?
[23:43:59] <andypugh> Maybe
[23:44:43] <andypugh> I have a 27mm dia resolver sat on my desk
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[23:46:04] <DaViruz> i'm thinking a toothed wheel and a reading fork, but i really would prefer a more enclosed solution (that i don't have to build myself)
[23:47:04] <DaViruz> perhaps a toothed belt sprocket and an encoder mounted off to the side. but i suppose i need to take the stresses of the encoder for that
[23:47:50] <DaViruz> http://www.ebay.com/itm/Heidenhain-rotary-encoder-RON-786C-36000-ID-355884-22-/121072941380?pt=LH_DefaultDomain_0&hash=item1c30827944
[23:47:54] <DaViruz> oh deer..
[23:47:57] <andypugh> How about one of the magnetic ones?
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[23:49:13] <DaViruz> want to elaborate?
[23:49:45] <andypugh> OK, bit first: http://www.cui.com/Product/Components/Encoders/Incremental_Encoders/Shaft/MES3_Series is 5mm dia
[23:50:53] <andypugh> Magnetic ones: http://www.ams.com/eng/Products/Magnetic-Position-Sensors/Magnetic-Rotary-Position-Sensors
[23:51:35] <DaViruz> oh.
[23:53:05] <DaViruz> interresting, but i don't think i want to fiddle around with it
[23:54:01] <andypugh> The tiny CUI one looks good then
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[23:56:16] <andypugh> Or there is a 20mm OD hollow shaft one that might be easier to mount.
[23:56:57] <DaViruz> i'm not sure what to do with the tiny one
[23:58:12] <andypugh> They have many types, one ought to suit: http://www.cui.com/Catalog/Components/Encoders/Incremental_Encoders
[23:58:51] <L84Supper> r00t4rd3d: the RTAI main dev just announced it earlier today
[23:59:46] <DaViruz> sure, they have a bunch, i just don't see one that's going to fit over a 28mm shaft