#linuxcnc | Logs for 2013-02-24

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[00:00:19] <ReadError> also the direction you cut makes a big difference on some materials
[00:00:46] <AR_> yeah
[00:01:06] <AR_> this was just a zigzag facing path and contour around the 'posts'
[00:01:46] <AR_> the flat face actually looks pretty good in person
[00:02:00] <AR_> but this is a very weird material
[00:02:14] <Jymmm> jello?
[00:02:16] <r00t4rd3d> http://i.imgur.com/Oa3Jznk.jpg
[00:06:44] <Jymmm> r00t4rd3d: context?
[00:06:57] <Jymmm> (other than nascar)
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[00:32:49] <r00t4rd3d> just happen today
[00:33:34] <r00t4rd3d> 11 people in the stands got messed up
[00:33:56] <r00t4rd3d> 2 critically i guess
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[00:34:35] <Jymmm> ah
[00:34:52] <t12> anyone every use a die grinder as a lathe toolpost grinder?
[00:36:55] <ReadError> http://dl.dropbox.com/u/25091878/Photo%20Feb%2023%2C%207%2034%2035%20PM.jpg
[00:37:02] <ReadError> my big azz Z
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[00:45:45] <ReadError> http://dl.dropbox.com/u/25091878/Photo%20Feb%2023%2C%207%2044%2014%20PM.jpg
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[01:10:48] <DaViruz> what's up with the cheap ballscrew selles on ebay only giving you the total length, not the travel length or even the means to calculate the travel length
[01:19:54] <pcw_home> because it looks bad?
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[02:03:57] <andypugh> t12: sort-of. I used a dremel-a-like. I broke it.
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[02:39:59] <ReadError> what does the trimpot on a g540 actually do
[02:43:39] <andypugh> ReadError: I think it sets the mid-band resonance filter
[02:45:44] <r00t4rd3d> trims pot
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[02:53:43] <r00t4rd3d> http://www.youtube.com/watch?v=mDiKZi3j-K8
[02:53:52] <r00t4rd3d> fan video from that nascar crash
[02:55:02] <r00t4rd3d> holy fuck
[02:59:03] <r00t4rd3d> http://www.reddit.com/r/videos/comments/193rmq/daytona_crash_as_filmed_from_the_stands/
[02:59:11] <r00t4rd3d> all kinds of footage
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[03:39:18] <Jymmm> Different crash, but DAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMN http://www.youtube.com/watch?v=vmT3gQQdJm4&feature=youtu.be
[03:53:44] <R2E4> nascar?
[03:55:03] <R2E4> Latency test: servo thread 36195, base threead 13955, Will these do?
[03:58:51] <andypugh> R2E4: Not great. Are you software-stepping?
[03:59:33] <Tom_itx> hi andypugh
[04:02:00] <Tom_itx> andypugh, i've got a couple files you can look at when you get a chance
[04:03:27] <skunkworks> I think r2e4 is going with mesa - so those numbers if consistant will probably be ok...
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[04:13:10] <andypugh> Tom_itx: Just got back from holiday and caught up with emails. Now its 4am. Tomorrow would be better.
[04:14:59] <Tom_itx> that's fine just gimme a holler
[04:15:31] <Tom_itx> i did get something i think you can work with
[04:16:13] <Tom_itx> just need you do do a dry run on them though to be certain
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[04:46:58] <JesusAlos> Pncconf wizard, only modific the .ini and .hal file?
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[08:02:03] <DJ9DJ> moin
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[08:23:26] <mrsun_> hmm does one dare to have a heavy chuck on a lathe that uses threads for chuck holding? :)
[08:23:35] <mrsun_> im thinking reverse when threadings sometimes :P
[08:23:58] <toastyde1th> you don't
[08:24:15] <mrsun_> dont ?
[08:24:17] <mrsun_> dont what ?
[08:24:20] <toastyde1th> if you're using an L series chuck taper, you reverse thread very carefully.
[08:24:36] <toastyde1th> because that shit can and will come off if you really go for it.
[08:24:58] <mrsun_> no not threading in reverse, but as metric threads are almost impossible to find a threading dial for i have to reverse the direction and never let the leadscrew disengage
[08:25:08] <toastyde1th> oh, that's much easier
[08:25:09] <mrsun_> so no cutting in reverse
[08:25:13] <toastyde1th> cut the threads slowly.
[08:25:20] <toastyde1th> stop the chuck
[08:25:22] <toastyde1th> reverse the lathe
[08:25:23] <mrsun_> but im afraid it will jerk the chuck lose =)
[08:25:38] <toastyde1th> ...what?
[08:25:43] <mrsun_> when you reverse
[08:25:49] <toastyde1th> stop the lathe, then reverse it
[08:25:50] <mrsun_> if the chuck is a threaded type
[08:25:56] <mrsun_> it got inertia
[08:26:00] <mrsun_> =)
[08:26:04] <toastyde1th> it has more than enough holding force to just stop the chuck
[08:26:09] <toastyde1th> don't be ridiculous
[08:26:22] <toastyde1th> most old lathes were L-nose spindles
[08:26:27] <toastyde1th> and there WERE no threading dials
[08:26:35] <mrsun_> L nose ?
[08:26:37] <toastyde1th> all threading was done without disengaging the leadscrew
[08:26:45] <toastyde1th> the most prolific threaded taper
[08:26:55] <toastyde1th> L-00, L-0, L-1, etc
[08:27:06] <toastyde1th> just like D1, D2, and A1, A2 for camlocks
[08:27:25] <toastyde1th> although A is bolted on, not cammed
[08:27:26] <mrsun_> looks like a straight thread to me
[08:28:08] <toastyde1th> if you're afraid of what people did for 3 centuries, then don't do it?
[08:28:18] <mrsun_> im just asking
[08:28:28] <toastyde1th> thread on the slowest speed
[08:28:39] <toastyde1th> and have enough runoff for the chuck to stop
[08:29:07] <Jymmm> Not take baths for 3C? No soap for 3C? Public executions for 3C? Apply Leeches for 3C ?
[08:29:25] <toastyde1th> hahaha
[08:39:51] <Jymmm> !!! NO TOILET PAPER FOR THREE CENTURIES !!!
[08:45:56] <Jymmm> Well, at least none that will leaf a rash =)
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[09:01:24] <archivist> mrsun_, hand wind it back if worried
[09:03:07] <Loetmichel> mornin'
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[10:09:06] <Loetmichel> hrhr... Fact: flies dont like my Aluminium coolant. (mix of car window deicer and petroleum in a pumpspray can) ... I just "shot" one out of the air. it was nearly dead before hitting the ground ;-)
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[10:24:21] <Jymmm> I prefer WD40 and a lighter.
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[11:07:24] <L84Supper> alcohol + oil ?
[11:08:13] <L84Supper> drunk and slick fly
[11:12:14] <mazafaka> alcohol dilutes oil and fat
[11:13:21] <mazafaka> Do you guys know any examples how greasy details are cleaned with washing detergent and warm water in MRO departments?
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[12:09:00] <jthornton> I prefer using my Big Game Fly Hunting rifle
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[12:34:20] <archivist> I like a ruler and to hear two hits, one ruler to fly and the second fly against wall
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[13:40:49] <mrsun_> gaah, burs in the morse taper of the spindle .. any tip on removing them without damaging the rest of the bore? :)
[13:41:24] <mrsun_> and seem the spindle goes excentric about 0.05mm i wonder what is the cause of that :/
[13:41:33] <mrsun_> (on the surfaces the chuck registers to)
[13:44:38] <mrsun_> 0.015 is allowed so something is clearly wrong
[13:47:34] <archivist> spindle bent, not measuring in a good area, just worn, are the spindle bearings adjusted
[13:50:13] <mrsun_> bearings are adjusted to be tight but not binding, havent checked them further then that and i was also thinking of the bent spindle as the lathe has been quite abused before
[13:50:22] <mrsun_> ran for a long time without lubrication etc etc
[13:51:47] <archivist> also wear can be eccentric if the chuck was out of balance
[13:52:33] <mrsun_> the rear bearing ?
[13:52:41] <mrsun_> or the whole spindle? :)
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[13:53:26] <archivist> one at the chuck end is probably most worn of the two
[13:58:11] <mrsun_> as im going to repair the gears on the spindle anyhow i will strip it all and see if the excentricity is hihger at some point between the bearings or something or something 0.05mm is a tad bit to much imo =)
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[14:00:22] <andypugh> mrsun_: _what_ is eccentric? A lathe should still make round things even with a bent spindle.
[14:01:07] <mrsun_> andypugh, yes but when rechucking anything and your off 0.05mm at a absolute minimum its kinda annoying, and even if i have a deadcenter in the spindle (yes there is a burr in the spindle also) i get 0.05 - 0.1mm runout
[14:01:11] <mrsun_> on the deadcenter
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[14:03:56] <andypugh> Do you expect to do much work between centres?
[14:04:21] <archivist> file/grind/wet&dry off all burrs before condemning the spindle
[14:04:26] <mrsun_> well i dont know =) still want the taper to be in condition =)
[14:04:45] <mrsun_> archivist, yes i know =) but its far in =)
[14:04:52] <mrsun_> and hard to get to =)
[14:04:56] <archivist> you can get a morse taper reamer to clean the bore
[14:05:09] <andypugh> Any job what needs re-chucking should be done in a 4-jaw, so you won't notice the problem.
[14:05:44] <archivist> assuming the 4 jaw axis is straight :)
[14:06:21] <mrsun_> andypugh, yes but i dont even get a straight surface on the front side of the chucks/jaws etc
[14:06:35] <mrsun_> everything is 0.05mm off =)
[14:06:38] <mrsun_> front side and side
[14:07:15] <andypugh> That does sounds like a bent spindle. What is the chuck mounting?
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[14:07:29] <mrsun_> what it is ?
[14:07:35] <mrsun_> threaded nose with register surfaces
[14:07:45] <archivist> to fix chucks re machine back plate in situ
[14:07:55] <andypugh> I was about to suggest that
[14:07:58] <mrsun_> gonna check them more, the flat surface i found that was straight, but the other surface was 0.05mm off
[14:08:09] <mrsun_> the veritcal surface was straight
[14:08:13] <mrsun_> the horisontal was off
[14:08:36] <mrsun_> ahh remove the chuck and mount just the flange and remachine it? :)
[14:08:38] <andypugh> any particular back-plate will screw on to the same position, so skimming true in-situ should sort the chucj out.
[14:08:39] <archivist> I re did backplate last year on mine
[14:09:13] <mrsun_> it was very rough on the backside that mounts against the spindle also .. the backplate
[14:09:28] <mrsun_> not a machined surface as one would think it should be
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[14:10:03] <andypugh> Make sure all the mating surfaces are clean and true though, or you will need to keep a special bit of swarf to make sure that it runs true every time :-)
[14:10:24] <mrsun_> :P
[14:10:43] <mrsun_> it is clean but like i said, i would not call it a machined surface
[14:10:56] <mrsun_> looks quite rough on the backside
[14:11:32] <andypugh> You may be able to mount the backplate the wrong way round to clean that face up. But don't let it run to the end of the thread, put a nice packer in like an old bearing race.
[14:11:45] <mrsun_> oh well, time to go do something usefull =) thanks for the tips =)
[14:11:49] <mrsun_> ahh smart!
[14:12:10] <mrsun_> so got some work to do tonight then :P
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[14:15:48] <archivist> put the 4 jaw on, machine a spigot to grip with the three jaw, mount it on the spigot clean the back register
[14:16:55] <archivist> you cannot do any thing with the inner part of the register apart from clean or maybe add some shim glued on
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[14:20:46] <andypugh> archivist: With the correct packer, the backplate mounted the wrong-way round should be dead parallel to the register shoulder, shouldn't it?
[14:21:33] <andypugh> It might be eccentric, as it is mounted only on threads, but that shouldn't matter.
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[14:26:10] <archivist> but if the spindle is bent the register is not at right angle to the axis
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[14:35:17] <JesusAlos> hi
[14:36:05] <JesusAlos> I'm full. I just ate PAELLA valencian
[14:36:45] <JesusAlos> wood fire made
[14:38:35] <andypugh> archivist: Ah. Yes.
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[14:43:02] <dzon> can someone please give some hint what could be the error with my ini/hal file. I got the "waiting for s.axes" error.: http://pastebin.com/JFYKrEj3
[14:43:40] <Jymmm> wood fire?! That's a waste of natural resources. Now, a good old fashion used tire fire, that's a great way to conserve our natural resources and keep them out of the landfills!
[14:45:11] <andypugh> dzon: Has it ever worked?
[14:45:28] <dzon> no
[14:46:28] <andypugh> if you reboot and look at the output of dmesg, do you see anything about LAPIC being disabled?
[14:47:23] <dzon> will try... brb
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[14:50:31] <dzon> andypugh, i found "ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)"
[14:50:49] <andypugh> dzon: Actually, I think I just wasted some of your time, as looking more carfully the RTAI parts load OK, and appear happy.
[14:51:14] <andypugh> Can you run any of the demo configs?
[14:51:19] <dzon> yes
[14:51:37] <dzon> i tred stepper and pluto servo
[14:52:03] <dzon> both run fine
[14:52:11] <andypugh> Try starting linuxcnc from the command-line, you may get a bit more information
[14:52:22] <andypugh> (just type "linuxcnc")
[14:53:26] <Jymmm> andypugh: WB Popeye
[14:53:58] <dzon> andypugh, same result: http://pastebin.com/p8GSy1LM
[14:54:25] <cncbasher> dzon:can you post your hal file
[14:56:05] <andypugh> dzon: Is there a postgui HAL file? I have a vague memory of seeing this when there was a problem with a pyvcp panel.
[14:56:54] <dzon> http://pastebin.com/LvMWY65e
[14:57:01] <cncbasher> andy iv'e seen this before , i think it's from stepconf error
[14:57:08] <dzon> i had pyvcp...bud i comment out this
[14:57:39] <dzon> this was my first idea
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[15:05:45] <dzon> i took the pluto-servo example and comment out the postgui. The hal file works fine by itself.
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[15:08:17] <andypugh> dzon: Are you by any chance Klemen Dovrtel with the linear motor?
[15:09:12] <dzon> Yes :)
[15:09:58] <andypugh> Ah, so you have had something working, but the current HAL file is causing a problem?
[15:11:06] <dzon> now i can move the motor (by the way, thynk you for your help).
[15:11:48] <dzon> Hal file is fine, i can move the motor and everything. But now i would like to "wire" it with axis gui
[15:13:21] * JT-Shop waves at andypugh
[15:13:31] <dzon> I just comment out my simple pyvcp gui. And try to use it with pluto-servo example...yust to tune the PID parameters
[15:13:50] <andypugh> dzon: I wonder if EMCMOT is failing to load?
[15:15:42] <andypugh> This is likely to be a bit painful, but if you put "show funct" after each loadrt line in the HAL, then you can see how far it is getting.
[15:16:23] <dzon> i did not wire any axis.0.motor-pos-cmd etc... can this be a problem?
[15:16:44] <andypugh> No, that wouldn't matter.
[15:17:17] <andypugh> can you zip up the config directory and put the file somewhere?
[15:17:38] <dzon> sure...
[15:22:18] <dzon> andypugh, http://www.filedropper.com/anoradtar
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[15:27:49] <andypugh> I _think_ the problem might be the reference to [EMCMOT]BASE_PERIOD in the HAL file when there is no corresponding entry in the INI file.
[15:29:40] <andypugh> No, sorry, I am looking in the wrong HAL file
[15:30:14] <dzon> the _raw was stand alone hal file
[15:31:00] <dzon> i forgot the missing .comp files i wrote, if that make any difference: http://www.filedropper.com/anoradtar_1
[15:31:41] <andypugh> I was just commenting them out
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[15:34:18] <andypugh> Right, I now have exactly the same problem as you. I am not sure if that is good :-)
[15:36:09] <dzon> :) ...where should i put the "show funct" i tried "loadrt trivkins show funct" but this generates an erroe.
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[15:36:32] <andypugh> Don't worry about that now. It is defintely getting all the way through the HAL file.
[15:36:43] <Tom_itx> andypugh
[15:36:46] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/emc/andyp/
[15:36:52] <andypugh> Thanks Tom
[15:37:18] <Tom_itx> watch the rapids carefully, i'm not sure i know how they are configured on my lathe package just yet
[15:37:51] <Tom_itx> i inserted a safe start point at the beginning and told it to retract 20mm
[15:38:53] <Tom_itx> i can make changes as necesary
[15:43:40] <andypugh> That's rather odd-looking lathe code.
[15:43:52] <andypugh> (Or, rather, rather an odd lathe tool-path)
[15:48:08] <andypugh> Tom_itx: There are a few rapids straight through the material: http://imagebin.org/247963 but I think I should be able to fix those.
[15:55:27] <Tom_itx> ok so my preview was right...
[15:55:37] <Tom_itx> that will help in the future
[15:56:21] <Tom_itx> andypugh, i also ran a zigzag cut pattern if you want that
[15:56:42] <andypugh> No, you have spent more than enough time on me :-)
[15:57:04] <Tom_itx> it's all done
[15:57:08] <Tom_itx> just need to post it
[15:57:30] <andypugh> What do you mean by zig-zag?
[15:57:31] <Tom_itx> wasn't that much work anyway
[15:57:39] <Tom_itx> cut to center and back out
[15:57:43] <Tom_itx> stepping over
[15:58:05] <Tom_itx> i'll post it and you can look
[15:58:09] <andypugh> I don't think lathes normally work that way, to be honest.
[15:58:17] <Tom_itx> me either
[15:59:00] <andypugh> I am more used to seeing lots of straight conventional turning cuts that stop a shade short of the profile, then a final finishing cut, outside to in.
[15:59:08] <Tom_itx> check the spindle speed and feed also for your machine
[15:59:25] <Tom_itx> these will extend past the profile slightly
[15:59:37] <Tom_itx> i don't like code that stops short
[15:59:49] <ReadError> https://dl.dropbox.com/u/25091878/Photo%20Feb%2023%2C%207%2044%2014%20PM.jpg
[16:00:19] <Tom_itx> do you need the roundbar dimensions to start with?
[16:01:00] <andypugh> It's fine, I can work it all out :-)
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[16:01:34] <andypugh> I need to make my blanks now. Just got back from holiday and not feeling particularly effective. :-)
[16:02:01] <Tom_itx> ~53mm x 176.2 on the inner one
[16:02:28] <andypugh> Thanks.
[16:02:45] <andypugh> (Trying to beat dzons config into shape)
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[16:03:22] <Tom_itx> 52.58 x 206 on the other one
[16:03:44] <Tom_itx> basically 53 mm from the lathe chuck minimum for both
[16:04:02] <Tom_itx> i'd give it a bit more
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[16:28:58] * JT-Shop guesses I'm out of welding wire
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[16:29:18] <Jymmm> JT-Shop: Hey, do you have a tig?
[16:30:48] <JT-Shop> yea
[16:31:51] <Jymmm> JT-Shop: What would you charge me to weld some 1/8" SS rods into rings? I can just shape them myself and ship out to you to weld up.
[16:32:06] <Tom_itx> alot
[16:32:07] <Jymmm> JT-Shop: The tent stake thing
[16:32:31] <Jymmm> "P" shape
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[16:57:58] <andypugh> Jymmm: Souns like a good excuse to buy your own TIG :-)
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[17:09:16] <skunkworks> andypugh: how was the skiing?
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[17:09:45] <JT-Shop> how many is in a "some"?
[17:09:55] <archivist> 3
[17:10:16] <andypugh> skiing was great. But I am sort-of glad to be home for a spell now, after 11 airline flights this year.
[17:10:32] <skunkworks> heh - that gets old fast
[17:11:17] <skunkworks> can't wait to see the next hobbing video :)
[17:11:37] <skunkworks> andypugh: did you get any more backlash out of the rotory axis?
[17:12:10] <skunkworks> (I suppose while you were skiing?)\
[17:12:49] <andypugh> I think there is something funny going on, like the worm teeth are too shallow.
[17:13:00] <JesusAlos> ReadError: What kind of gudes use in your machine?
[17:13:11] <JesusAlos> linear guides
[17:13:23] <ReadError> extended carriages
[17:13:25] <ReadError> with abec
[17:13:25] <skunkworks> I remember you saying it got tight before the backlash was gone
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[17:15:35] <JesusAlos> abec is a mark?
[17:15:41] <JesusAlos> don¡t found
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[17:16:23] * JT-Shop wanders off to take a nap
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[17:17:30] <andypugh> JesusAlos: ABEC is a bearing grade. http://en.wikipedia.org/wiki/ABEC
[17:17:51] <andypugh> Only used in the US, as far as I know.
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[17:21:44] <skunkworks> cradek: you sould listen to this weeks http://prairiehome.publicradio.org/ Noam Pikelny, Joe Newberry, and Bill Evans played
[17:23:48] <L84Supper> anyone ever come across a robot arm with easy access to the encoders on each axis?
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[17:26:05] <andypugh> dzon: Got it!
[17:26:20] <andypugh> Your HAL doesn't call the motion functions: addf motion-command-handler servo-thread
[17:26:20] <andypugh> addf motion-controller servo-thread
[17:26:34] <andypugh> So motion never runs.
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[17:45:07] <L84Supper> is there suddenly some surplus in used robots? This price is crazy low for a Staubli http://www.ebay.com/itm/Staubli-RX90-6-Axis-Robot-Arm-CS7-Controller-With-Motor-Drives-CablesRX-90-/350721927338?pt=LH_DefaultDomain_0&hash=item51a8a7e8aa
[17:45:40] <L84Supper> used SCARA's for <$500 on flebay
[17:52:38] <andypugh> Two for £299 here: http://www.ebay.co.uk/itm/380567796556
[17:55:04] <archivist> poor things look like they had a hard life
[17:55:22] <L84Supper> "Selling as faulty for spares or repair"
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[17:56:37] <IchGuckLive> hi all B)
[17:57:34] <L84Supper> KUKU arm, some typos are great, lol http://www.ebay.com/itm/NEW-KUKU-ROBOTIC-ARM-ZH6-1-0763-WRIST-ASSEMBLY-6-KG-/350518025173?pt=LH_DefaultDomain_0&hash=item519c809bd5
[17:58:28] <L84Supper> the name is cast right on top in 2 inch letters and they still get it wrong in the ad
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[18:02:11] <L84Supper> I was just thinking about the easiest way to control 4 or more independent sets of galvos mounted on one machine with EMC
[18:03:21] <L84Supper> if you wanted to load and run it as one job on one machine
[18:03:34] <L84Supper> but it's 4 or more in one machine
[18:03:55] <IchGuckLive> up to 12 ion the ZY axis
[18:04:16] <IchGuckLive> and X A is also 12 pices
[18:05:58] <L84Supper> you'd just have to rework the g-code if it was setup for 1 set
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[18:07:45] <L84Supper> each set of galvos would have one or more lasers, so it's like having multiple tools running simultaneously
[18:08:11] <IchGuckLive> laser and emc is not a good idee
[18:08:20] <L84Supper> I haven't played with AXIS yet beyond one tool at a time
[18:08:47] <L84Supper> I'm just thinking about making it a good idea by adding the support
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[18:09:03] <IchGuckLive> the laserfreak froum got so nice aplications for 4 xY scanners control
[18:09:28] <L84Supper> I don't want to reinvent the wheel, just add to EMC
[18:09:40] <L84Supper> keep the software consistent
[18:10:09] <andypugh> Can other fok see this broken engine? http://www.facebook.com/andy.pugh.1447?sk=wall&notif_t=wall
[18:10:33] <andypugh> If so, any ideas for repair? It's one of two 1915 Morris engines...
[18:10:57] <archivist> I just see a mugshot
[18:11:09] <L84Supper> laserfreak is similar to reprap, they all have a better idea that ends up FAB, free and broken
[18:11:19] <ReadError> ( If the program is too big or small for your machine, change the scale #3 )
[18:11:24] <andypugh> I did wonder. Facebook is amystery to me. I am happy to let it stay that way
[18:11:24] <ReadError> im about to do the axis.ngc
[18:11:29] <ReadError> not sure where to change this scale though
[18:11:58] <archivist> I never bothered with fb either
[18:12:47] <IchGuckLive> ReadError: its locked you need o save it to a writable location
[18:13:11] <andypugh> set to public. Does that help?
[18:13:11] <ReadError> yea i threw it in ~
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[18:18:51] <IchGuckLive> ReadError: the text is from the olfd axis this is the new one from awallin no scale at all
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[18:31:46] <archivist> andypugh, I am not the right kind of public :(
[18:31:56] <archivist> so NO
[18:33:49] <IchGuckLive> ReadError: why dont you just generate it new
[18:34:03] <IchGuckLive> in your size
[18:34:04] <ReadError> i just used some of my own gcode
[18:34:08] <ReadError> first cut, sucess ;)
[18:34:11] <ReadError> my holes are round
[18:34:12] <IchGuckLive> B)
[18:34:16] <ReadError> which is always a good thing hehe
[18:35:25] <IchGuckLive> we shoudr reealy get the axis.ngc scalable
[18:35:57] <ReadError> yea
[18:36:00] <ReadError> that would have been nice
[18:44:35] <andypugh> Argh! Picasa Web Albums have been Google+-ified, so I don't seem to be able to share images there any more either
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[18:48:04] <ReadError> andypugh: make an imgur.com account
[18:48:05] <archivist> andypugh, I see picasa albums from a few people
[18:48:25] <andypugh> I could link to individual photos previously, but not now.
[18:48:44] <ReadError> cant you right click and copy the image source?
[18:48:44] <andypugh> Now all I can do is share via email, which is no use for IRC
[18:49:06] <archivist> what about your own site
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[18:52:20] <IchGuckLive> http://pastebin.com/Tm0jRk5Z
[18:52:32] <IchGuckLive> here is the scalable intro axis
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[18:59:03] <andypugh> archivist: uploading to my own site is kind-of painful, and I need to write HTML.
[18:59:19] <AR_> just had mastercam post this file to draw some pics
[18:59:21] <AR_> http://pastebin.com/Lcjypvta
[18:59:25] <AR_> gunna test
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[18:59:48] <ReadError> andypugh
[18:59:54] <ReadError> they make an index.php file
[18:59:58] <andypugh> My phone camer synchs automatically with iPhoto, and iPhoto can save direct to Picasa. That's all nice. And previously Picasa gave you a URL to use.
[19:00:00] <archivist> andypugh, there are some simple apps for homebrew web albums
[19:00:02] <ReadError> that takes all the image files, thumbnails them
[19:00:52] <archivist> I have even written one myself for a customer
[19:01:06] <andypugh> I am just about competent to write html. php is something i tried once, but can't remember.
[19:01:40] <andypugh> Until a few hours ago, Picasa worked perfectly for my needs.
[19:02:51] <ReadError> andypugh they already have them though
[19:03:00] <ReadError> you just drop the index.php in to your directory
[19:03:01] <archivist> I could possible get you part of this http://www.ashbyonline.co.uk/PhotoAlbum.php
[19:03:56] <andypugh> You don't understand! I want to moan and cpmplain, not have reasonable alternatives suggested!
[19:04:17] <archivist> hehe
[19:05:07] <IchGuckLive> AR_: this is quite rasist ngc
[19:05:15] <AR_> LOL
[19:05:27] <AR_> did you backplot it
[19:05:31] <archivist> I never have finished the index updater for my own site yet as I add pictures
[19:05:42] <IchGuckLive> AR_: yes the smilie is giid
[19:05:47] <IchGuckLive> good
[19:05:53] <AR_> i drew the face with manual splines
[19:05:58] <AR_> it came out pretty nice
[19:06:31] <IchGuckLive> the spiral is normaly 2 lines not 100
[19:06:51] <IchGuckLive> from 2.5.1 you can use r
[19:07:46] <IchGuckLive> ReadError: did it scale
[19:08:40] <andypugh> Does this work as a photo link? https://plus.google.com/photos/108164504656404380542/albums/5747722155741347649/5848590119584168546
[19:08:49] <AR_> IchGuckLive, really?
[19:08:59] <andypugh> Or this? https://lh3.googleusercontent.com/-7o-idlwzeSo/USpdugKsemI/AAAAAAAABrc/dJvhir_06V0/s1469/830316_607776682573040_139138268_o.jpg
[19:09:03] <AR_> i just let mastercam post it, i dont really care tbh
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[19:09:59] <archivist> both links work
[19:10:32] <archivist> andypugh, there is a company local to me who can
[19:10:50] <Tom_itx> that looks nasty
[19:10:52] <mrsun_> hmm spindle is straight, all the way to the horizontal register on the nose
[19:10:56] <mrsun_> there its off 0.05mm
[19:11:07] <mrsun_> so so far so "good"
[19:11:28] <mrsun_> problem is that the chuck plate also is off 0.05mm on the horizontal register where it locks into the chuck :P
[19:11:28] <andypugh> mrsun_: Machining the backplates will probably make that look fixed.
[19:11:31] <Tom_itx> andypugh, make sure they pack that in sandbags and preheat it before they weld it
[19:11:37] <andypugh> https://lh5.googleusercontent.com/-1t_b5NE1OLM/USpdwDyK9EI/AAAAAAAABrc/WrK1bA_G6T4/s1469/856952_607775669239808_709490901_o.jpg
[19:11:48] <archivist> andypugh, we had steam pipes done there http://www.castironwelding.co.uk/contactinfo.html
[19:11:48] <mrsun_> andypugh, yes but i cant machine the register for the chuck any :P
[19:12:04] <andypugh> Why not?
[19:12:14] <mrsun_> andypugh, cause it will be to small for the chuck afterwards :P
[19:12:43] <archivist> no need to machine the register on the spindle
[19:12:53] <mrsun_> no
[19:12:57] <mrsun_> on the backplate for the chuck
[19:12:59] <andypugh> mrsun_: You don't need _much_ register. So face off enough to make a new register.
[19:13:37] <mrsun_> andypugh, then the holes for the bolts will be without a botom :P
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[19:14:09] <archivist> andypugh, as I see those cracks, all repairable with real cast iron
[19:14:48] <Tom_itx> yup
[19:15:07] <IchGuckLive> but the water wil not be tight
[19:15:28] <IchGuckLive> and maybe oil also involved as inside cracks are not visable
[19:15:54] <IchGuckLive> ok im off by till tomorrow
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[19:16:02] <archivist> IchGuckLive, they do a real weld
[19:17:17] <andypugh> It looks like they rebuild missing parts out of weld.
[19:18:13] <archivist> they build a muffle furnace around the job and then open a hole and gas weld with a cast stick
[19:18:39] <archivist> and not bothered how big the item is
[19:19:10] <andypugh> Hmm, how hard can it be :-)
[19:19:56] <archivist> I have done some in a coke fire....I wish I had a gas muffle like they have
[19:20:55] <archivist> the heating and cooling rate are important
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[19:23:22] <andypugh> I have had some success with stainless MIG.
[19:24:00] <andypugh> (No austenite/ferrite transition, so the carbon that disolves into the weld doesn't matter)
[19:24:02] <archivist> we used a blacksmiths hearth for a small 10 inch casting, had to redo some when we got it wrong as it cracked
[19:25:09] <mrsun_> http://www.toolsandmods.com/lathe/mini-lathe-center-finder genious!
[19:25:10] <mrsun_> =)
[19:27:17] * archivist blames mrsun_ for a ticking noise in the background
[19:27:43] <mrsun_> huh ? :)
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[19:28:44] <archivist> http://www.abbeyclock.com/gearing8.html
[19:30:37] <mrsun_> stop having that page up then :P
[19:32:58] <skunkworks> I have been relatively happy with piwigo.. http://electronicsam.com/gallery/
[19:33:10] <mrsun_> need to find some steel in the right size so i can make a new chuck flange :P
[19:33:16] <skunkworks> my wife uses it for all stuff baby
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[19:35:21] <skunkworks> make sure your hosting can do ImageMagick - if it defaults to the php picture converter - it doesn't allow for very big pictures.
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[19:42:35] <mrsun_> hell i wont even do a new flange for the current chuck ... i have a chuck a bit larger that is alot newer and in better condition =)
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[19:49:33] <skunkworks> http://www.cnczone.com/forums/benchtop_machines/174425-austins_md001_ih_clone_cnc_conversion_build.html
[19:52:42] <archivist> andypugh, the steam pipe that got welded http://ccgi.archivist.plus.com/php/showresult.php?searchv4page=1&searchstr=steam+pipe&srcdata=title&srcprog=http%3A%2F%2Fccgi.archivist.plus.com%2Fphp%2Fsearchv4.php&dir=sgood&file=rim00076&subject=612
[19:55:18] <andypugh> archivist: My friend (who the engine belongs to) thinks that that company have already done work on other instances of that engine. He is going to send the pictures to them for a quote.
[19:56:08] <archivist> they are well known apparently, and the work they did for us was good
[20:06:28] <andypugh> Should we try to do a talk/demo on LinuxCNC at https://www.emfcamp.org/wave ?
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[20:35:50] <Tom_itx> who takes care of the webpage?
[20:36:12] <Tom_itx> maybe someone could add a link to the halui examples to the main doc list
[20:36:23] <Tom_itx> either i missed it or it's not there
[20:36:39] <JT-Shop> in the html docs?
[20:36:44] * Tom_itx looks at JT-Shop
[20:36:49] <Tom_itx> yes
[20:37:11] <Tom_itx> http://linuxcnc.org/docs/html/hal/halui_examples.html
[20:37:16] <Tom_itx> that's what i was referring to
[20:37:37] <Tom_itx> got my 'run' button working though
[20:38:20] <JT-Shop> sure enough the link is missing, I'll have to fix it in the am
[20:39:36] <Jymmm> JT-Shop: Maybe 24
[20:40:26] <JT-Shop> Jymmm: why don't you just make 1 1/2 turns with the loop?
[20:41:51] <Jymmm> JT-Shop: so they'll be flat.
[20:42:47] <JT-Shop> wind the loop in the center
[20:42:54] <JT-Shop> be better than welding
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[20:50:45] <mrsun_> http://www.youtube.com/watch?v=ik4g40eLpGE what nightmares are made of :P
[20:51:05] <JT-Shop> what dia wire is it?
[20:51:55] <Jymmm> .125"
[20:59:47] <JT-Shop> is it a perpendicular joint?
[21:01:21] <r00t4rd3d> i prefer the horizontal type
[21:01:46] <JT-Shop> r00t4rd3d: can weld them for you Jymmm
[21:03:20] <andypugh> Jymmm: Spot welder?
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[21:05:04] <Jymmm> andypugh: I have a hand held propane torch
[21:06:17] <Jymmm> http://www.theverge.com/2013/2/22/4013406/i-used-google-glass-its-the-future-with-monthly-updates
[21:12:32] <Jymmm> Ok cradek jepler, when you gonna write pyGlass ?
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[21:22:24] <L84Supper> looks like most crashes were due to parts coming loose from the vise, clamp or chuck
[21:26:17] <L84Supper> http://www.youtube.com/watch?v=KRBQlrmXQp8 how many parts like this actually get made by machining?
[21:28:08] <FinboySlick> I want that machine.
[21:29:38] <L84Supper> I wonder what the total elapsed time was for that helmet
[21:33:59] <FinboySlick> Given the finish, I'd suspect quite a while.
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[21:59:02] <andypugh> Not quite the same, but the suspension arms on the cars I am working on at the moment are milled from solid, in an exact emulaiton of what the forged parts would be like.
[22:00:24] <L84Supper> andypugh: would you still machine them if you could print a mould for that part in under an hour?
[22:00:54] <andypugh> They did, and hundreds of them too.
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[22:06:22] <pcw_home> L84Supper here's a (small 4 axis) robot with encoders:
[22:06:24] <pcw_home> http://www.ebay.com/itm/Adept-Technology-550A-SCARA-table-top-robot-arm-/121046704355?pt=LH_DefaultDomain_0&hash=item1c2ef220e3
[22:07:10] <L84Supper> pcw_home: yeah saw lots of SCARA's on ebay for under $500
[22:07:33] <t12> dang thats cheap
[22:07:47] <pcw_home> great if you want a circular workspace!
[22:07:49] <L84Supper> yes, saw a few more around that price as well
[22:08:12] <t12> could also just be worth it in motors and encoders?
[22:08:44] <pcw_home> not sure how the drives work
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[22:08:56] <L84Supper> whats the highest flexural modulus plastic?
[22:09:29] <andypugh> Define "plastic"
[22:10:01] <L84Supper> any polymer, themoset or thermoplastic
[22:10:09] <DJ9DJ> gn8
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[22:11:03] <andypugh> I think that the glass-filled variants win.
[22:11:04] <L84Supper> http://qepp.matweb.com/search/DataSheet.aspx?Bassnum=P1SM38&ckck=1 4.14 GPa
[22:11:37] <L84Supper> thats my next search, composites
[22:12:36] <pcw_home> carbon nanotube filled?
[22:13:03] <t12> lol
[22:13:09] <t12> made of nanotechnology!
[22:13:18] <L84Supper> yeah, the trick is getting the blend right
[22:13:23] <pcw_home> so is dirt
[22:13:25] <andypugh> matweb search for polymers on flexural modulus puts Hexcel Hexply Cyanate Resin at the top, 427GPa
[22:15:09] <t12> that was a nanotech joke
[22:15:16] <t12> science nano* funding is lol
[22:15:31] <t12> chemists rebranding surface modification as nanotech
[22:15:45] <andypugh> That seems to be the property of the composite, not the matrix, though.
[22:16:07] <Jymmm> L84Supper: whats the aplicarion?
[22:16:30] <andypugh> Neat resin is 3GPa, not that high.
[22:16:31] <L84Supper> Jymmm: 3d printing very strong parts
[22:16:46] <Jymmm> L84Supper: sheet? pellets?
[22:17:01] <L84Supper> either
[22:17:18] <L84Supper> also looking at blending my own
[22:17:21] <andypugh> L84Supper: http://www.solvayplastics.com/sites/solvayplastics/EN/specialty_polymers/Spire_Ultra_Polymers/Pages/PrimoSpire.aspx
[22:17:27] <Jymmm> L84Supper: I like glass impregnanted nylon
[22:17:49] <L84Supper> shooting for 10's of GPa
[22:18:21] <Jymmm> which is what in the US ?
[22:18:43] <L84Supper> google the conversion :)
[22:18:48] <Jymmm> no thanks
[22:20:24] <andypugh> PrimoSpire is supposedly the stiffest unreinforced plastic, at 4Gpa.
[22:20:29] <Jymmm> go check out glass impregnanted nylon
[22:21:27] <andypugh> (Which is pretty much as stiff as 30% glass-filled PEEK)
[22:22:06] <L84Supper> ideally a photopolymer
[22:22:36] <andypugh> 70% PA6/6 gives you 22GPA
[22:22:52] <L84Supper> epoxy + silica and/or carbon fiber seems to be the way
[22:24:45] <andypugh> http://www.matweb.com/search/DataSheet.aspx?MatGUID=4b2ab07bf8404779a932640d2fda2fb9
[22:25:04] <andypugh> 10GPa for stereolithography
[22:25:39] <L84Supper> I can blend my own, so I'm not limited to whats already blended
[22:26:21] <L84Supper> oh yeah, thats the Somos
[22:27:19] <L84Supper> http://www.mfg.uky.edu/tech/ts/nanotool_datasheet.pdf
[22:28:08] <L84Supper> Epoxy, Multifunctional acrylate, Silica.
[22:28:21] <L84Supper> ok so i should be able to improve on this
[22:29:45] <L84Supper> http://www.rmu.edu/pdf/NanoTool_MSDS.pdf
[22:30:37] <L84Supper> Flexural Modulus 10.2 - 10.8 GPa 1480 - 1570 ksi
[22:38:22] <L84Supper> 2.8 - 9.7 GPa Flexural Modulus of Nylon 6 with 30% glass fiber fill
[22:44:38] <FinboySlick> L84Supper: Still working on that 3D printer solution?
[22:45:41] <L84Supper> FinboySlick: I work on different ones all the time
[22:49:11] <r00t4rd3d> http://www.googlestore.com/shop.axd/Home
[22:49:24] <r00t4rd3d> learn something new everyday...
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[22:50:27] <FinboySlick> L84Supper: I'm pretty interested in the prospect of a home made laser/epoxy printer.
[22:51:06] <FinboySlick> Especially if there's decent and open print material.
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[22:52:40] <L84Supper> FinboySlick: we blend all our own, there are some open formulas out there, but getting the components is rather difficult
[22:52:52] <L84Supper> or you have to buy in 200Kg drums
[22:52:58] <FinboySlick> L84Supper: You on terrorist watch lists yet? ;)
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[22:53:29] <AR_> so i was drawing and then carved that test image on my machine
[22:53:29] <L84Supper> having an actual recognized lab does help a little :)
[22:53:36] <AR_> and blew a breaker
[22:53:47] <AR_> since i had my speed control on my spindle exposed
[22:53:50] <AR_> and shorted it
[22:53:57] <AR_> against my machine base
[22:53:58] <AR_> lol
[22:54:21] <L84Supper> FinboySlick: though opening a new account for a new with Aldrich was interesting
[22:54:55] <FinboySlick> L84Supper: I'm wondering how homebrew electronics would handle the framebuffer for a laser scanned surface.
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[22:55:04] <L84Supper> FinboySlick: they asked for several changes to our paperwork and then turned us dow for making too many changes to our paperwork :), but it all got settled
[22:55:33] <FinboySlick> L84Supper: Ah paperwork, the bane of sane people.
[22:56:13] <L84Supper> FinboySlick: it's actually easier to buy a drum of something than just one liter, no paperwork for a drum or tanker
[22:56:53] <FinboySlick> L84Supper: I'm thinking of the train episode on the latest season of Breaking Bad now.
[22:57:04] <L84Supper> FinboySlick: you need to convert from point cloud to polygons?
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[22:58:00] <FinboySlick> L84Supper: Really? I'd have thought it would be easier to scan a raster image than to fill in polys.
[22:59:16] <L84Supper> FinboySlick: why i asked
[23:00:18] <L84Supper> http://www.kickstarter.com/projects/621838643/desktop-3d-scanner/posts/412528?cursor=2309922
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[23:04:17] <L84Supper> http://www.david-laserscanner.com/
[23:05:02] <roh> hm.. we got some sig laserscanner around somewhere.. i wonder how precise the data there is
[23:05:17] <FinboySlick> L84Supper: That's not quite what I had in mind though.
[23:05:18] <L84Supper> http://www.makerscanner.com/
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[23:06:08] <FinboySlick> I'm assuming that one has the 3D data all sliced up. How do you realistically get a home made laser setup to scan a whole slice accurately and with good resolution? Could one really ghetto a dual spinning mirror setup?
[23:06:31] <FinboySlick> scan as in print here.
[23:06:35] <FinboySlick> Not as in grab
[23:07:21] <L84Supper> spinning mirrors aren't too difficult
[23:07:24] <roh> FinboySlick: the optics should be easy and cheap. i guess one can easily modify the party and show gear from china
[23:07:37] <pcw_home> use a laser priner scanner for X and mechanical for Y
[23:07:44] <roh> dmx controlled scanners, lasers etc are dirt cheap now.
[23:08:47] <L84Supper> http://compare.ebay.com/like/321069877006?var=lv&ltyp=AllFixedPriceItemTypes&var=sbar
[23:08:47] <r00t4rd3d> http://www.googlestore.com/Office/Wireless+Mouse.axd
[23:09:00] <r00t4rd3d> that is buried and only shows up on related searches
[23:10:18] <roh> or if one only needs to scan a small area... the optics from a cash register or a barcode scanner is nice
[23:10:34] <L84Supper> http://www.nextengine.com/products ghetto commercial systems
[23:11:07] <roh> its 2d optics with a usually red laser.. one rotiating mirror and one which svivels the y axis. available for < 20E in working condition
[23:15:35] <FinboySlick> pcw_home: The Y part would be relatively slow though, no? If the point of using a laser (vs DLP) is resolution, this would cripple print speed. Or is that rendered moot by the typical epoxy curing time?
[23:16:51] <pcw_home> Its at least 1-2 KHz
[23:17:19] <FinboySlick> You mean the X scan rate?
[23:17:40] <pcw_home> Yes X
[23:18:07] <pcw_home> so Y is a couple of IPS
[23:18:49] <pcw_home> X maybe 10 KHz or so for a fast printer
[23:19:07] <FinboySlick> Hmmm...
[23:19:28] <Jymmm> Hey, how do you guys get rid of stuff? I'm just out of room, have a lot of useful stuff, but find it hard to jsut get rid of it knowing in 3months I'll need it.
[23:20:06] <FinboySlick> Jymmm: buy shipping containers and land! ;)
[23:20:53] <Jymmm> FinboySlick: I wish =) Good idea on the shipping containers, I've always thought of a masive shop with rolling shelving
[23:21:49] <Jymmm> I have 1U servers sitting on the shelf, not taking up a lot of room, but just sitting there.
[23:22:43] <Jymmm> I have some 12"x4"x0.5" pine, 12" width is expensive, hard to just use up on a whim or just toss out.
[23:22:51] <Jymmm> 4ft not 4"
[23:25:55] <Jymmm> So does everyone just keep it all? Stack up to the ceiling like archivist or what?
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[23:26:44] <Jymmm> I refused to put shelves on the wall in the fear that is exactly what I would do and I have 13ft ceilings =)
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[23:31:37] <L84Supper> I have 25 ft ceilings and about 1 week after I throw anything out I need it :)
[23:32:11] <Jymmm> Murphy is a dead man when I catch him!
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[23:33:00] <L84Supper> my rule now is 10 years and older gets tossed, unless it's memorabilia or tools
[23:34:36] <Jymmm> Well, I kept a IR kybd/mouse for 7yrs, then finally had a use for it for two years. and this was back when HTPC stuff was non existant
[23:35:17] <L84Supper> FinboySlick: photopolymer epoxies cure in ~2 sec @ 0.1mm layers with a 0.5w 405nm led or 100mw laser
[23:35:20] <Jymmm> I think about 10+ years ago I got rid of 4 pallets of computer gear
[23:36:13] <Jymmm> I'm a strong believer in RESUSE, not recycle.
[23:36:19] <L84Supper> FinboySlick: http://bucktownpolymers.com/polymer00.html hobby and low volume photopolymers
[23:39:23] <FinboySlick> L84Supper: I'm mostly just dreaming, sadly...
[23:42:04] <L84Supper> http://www.indiegogo.com/projects/slamps-the-open-hardware-sla-3d-printer-for-everyone
[23:52:14] <roh> ah. more sla
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[23:54:08] <roh> hmm. we got a laser cutter and multiple 3d printers.. maybe i should write that guy. we could help producting small volumes of kits for european customers for example
[23:56:18] <L84Supper> roh: he's near St. Louis
[23:56:38] <L84Supper> I didn't know he was crowd funding
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[23:58:42] <roh> hm. i don't see an email address. if you know him, tell to reach out to us. i'm quite interrested (just too broke to help out with money)
[23:59:23] <L84Supper> he is featured in the first edition of reprap magazine
[23:59:44] <roh> i don't know that magazine.. url?
[23:59:51] <L84Supper> 1 sec