#linuxcnc | Logs for 2012-09-08

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[00:00:14] <joe9> Loetmichel: "d-c-fix" where can I buy it?
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[03:23:29] <FinboySlick> L84Supper: You made Slashdot! You made Slashdot!
[03:23:34] <FinboySlick> You're a star!
[03:23:51] * FinboySlick starts a fanclub.
[03:24:20] <ReadError> uhm
[03:24:21] <ReadError> link
[03:25:02] <FinboySlick> http://hardware.slashdot.org/story/12/09/07/2322207/rhombus-tech-a10-eoma-68-cpu-card-schematics-completed
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[03:30:30] <L84Supper> FinboySlick, not me, I left that project back in May
[03:31:03] <L84Supper> it's actually under a patent held by people I'd rather not be associated with
[03:32:08] <FinboySlick> L84Supper: Oh... Can I still form a fanclub?
[03:32:33] <L84Supper> will there be dancing?
[03:32:44] * FinboySlick bought plastic and now has no clue if it's delrin or nylon or ABS or whatever else.
[03:33:29] <FinboySlick> Mind you, I don't care so much beyond figuring out my speed/feed
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[03:38:27] <FinboySlick> I can't dance very well and so far nobody joined the club.
[03:40:13] <L84Supper> what are you working on with the plastics?
[03:41:21] <FinboySlick> Replacing a cheapo flowmeter inpeller. It had poor design that caused it to oscillate on its axis and eventually end up with worn out oval holes on the shaft.
[03:42:46] <FinboySlick> Hopefully it'll be less likely to wear out (this is very slippery, whatever plastic it is) and seems a bit more bouncy so hopefully won't impact-wear.
[03:43:33] <FinboySlick> And if it's just as bad, at least it's a three step cnc program to make more.
[03:51:54] <FinboySlick> Well, time for bed.
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[03:54:16] <ReadError> L84Supper: shady characters?
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[04:00:59] <L84Supper> ReadError, secret patents on the form factor, undisclosed license fees, etc etc and too much drama
[04:04:31] <L84Supper> plus the maker of the ARM SOC started out sharing info and later kept things closed, similar to Marvell with the OLPC project
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[04:12:03] <ReadError> scumbag raspberry pi
[04:12:06] <ReadError> makes device
[04:12:09] <ReadError> cant find it
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[06:45:28] <DJ9DJ> moin
[06:45:30] <DJ9DJ> hola Jymmm
[06:45:40] <Jymmm> howdy
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[06:48:17] <skorket> anyone still up?
[06:48:26] <archivist> no
[06:49:32] <archivist> the world is round, there is always someone "up" just ask the real question in irc
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[07:26:32] <skorket> archivist, most people are based in the US
[07:28:36] <skorket> I'm very new and I only have a passing familiarity with what feed rates are, chip load is, etc. I would like to just get a sense for what it would take to cut aluminum. I have a 8k spindle. Does anyone have a suggestion on what bit to use and how fast the bit should move relative to the table?
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[07:49:12] <archivist> it does amuse one that americans think they are centre of the universe
[07:50:29] <archivist> aluminium is best machined with cutter profile ground for aluminium and the right lubrication
[07:52:14] <archivist> there are a number of online calculators for speeds and feeds
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[07:53:08] <archivist> often what is best for the material cannot be achieved due to light weight of the machine
[08:08:21] <DJ9DJ> yeah, you need an infinite strong machine with infinite speeds and interial dampers! ;)
[08:09:22] <DJ9DJ> *inertial
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[08:44:16] <skorket> I would really appreciate any suggestions, even a case study, of someone who has done some aluminum milling. I'm not sure I'm using the online calculators correctly and I'm not even sure what questions to be asking.
[08:44:35] <skorket> I was hoping someone could tell me 'this is my setup, I know this works'
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[09:03:02] <Loetmichel> mornin
[09:03:09] <archivist> skorket, there is generally no one answer, but the chip cut per tooth at an rpm gives you the feed rate
[09:05:03] <archivist> skorket, the Sandvik data book on cutting(pdf on their site) gives some real world examples but are generally at the top end that amateurs can achieve
[09:06:45] <archivist> also learn about "built up edge" the metal sticks to the cutter causing finish and dimension problems, lubrication helps as does cutter form
[09:07:45] <archivist> climb milling being best but is your machine good enough for climb milling
[09:09:31] <archivist> one gains experience on ones machines and you will find different alloys machine differently, hard v soft pure aluminium
[09:15:19] <archivist> and the other thing to take into account is the work piece and its clamping, light v heavy cuts, once you have a few escape and break cutter you will learn the importance of good clamping
[09:26:17] * Jymmm is lucky enugh to have only broke one tool
[09:27:01] <Jymmm> Note to self: Verify that when you hit the home button, that it actually homes.
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[09:56:57] <Loetmichel> *yuck* $me has just cleaned out the grinder of my saeco. SOMEONE must have put water in the grinder. the coffee powder was like concrete... and the machine isnt really serviceable, i had to dismantle half of it to get to the grinder :-(
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[11:06:06] <jthornton> skorket, what kind of machine do you have?
[11:15:00] * jthornton thinks there is not much that is more exciting than watching the material get pulled into the cutter when you didn't tighten the vise properly
[11:26:14] <Tom_itx> morning jthornton
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[11:34:41] <jthornton> morning Tom_itx
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[11:41:27] <archivist> jthornton, or 20lbs of work thrown off the horizontal when cutting forces eventually vibrate the work loose and the cutter grabs it and throws it
[11:42:00] <archivist> I wonder if that is why the spindle is not exactly straight :)
[11:42:37] <jthornton> my favorite is a bit smaller when a parallel shoots out of the vise when you drill too close to it
[11:44:04] <archivist> I was just using the horizontal as a saw :)
[11:45:33] <archivist> because the metal was bent I had it up on blocks and very long bolts and the table is nver wide enough to clamp properly is it !
[11:47:07] <jthornton> that sounds exciting
[11:50:38] <archivist> milling sheet and cutter rake lifting it up
[11:50:55] <Tom_itx> yeah i shoved some metal out the back of a vmc once
[11:50:56] <archivist> another thing to bite noobs
[11:51:29] <archivist> one needs an accident to learn the frailties
[11:51:42] <Tom_itx> was flycutting a stack of test specimens when someone came up and was distracting me. i forgot to tighten the vice up on the material
[11:52:01] <jthornton> I see Peter has added DIN rail clips for the daughter cards!
[11:53:26] <Tom_itx> 5" shell mill makes a pretty good projectile launcher
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[11:55:36] <archivist> chucks coming unscrewed when you stop a lathe too
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[13:30:57] <gmagno> Good afternoon
[13:34:20] <gmagno> I'm trying to understand the concept of roughing offset in "image_to_gcode" but I'm not sure I undertsand it. You guys have a different (from http://www.linuxcnc.org/docs/2.4/html/gui_image-to-gcode.html#r1_4_19) way of defining it?
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[13:42:33] <r00t4rd3d> its how close it will cut to the final part
[13:44:07] <r00t4rd3d> a roughing pass is what you do before a finish pass
[13:45:23] <r00t4rd3d> so if your roughing offset is 0.1 it will only cut to within 0.1 of your finish pass
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[13:50:18] <gmagno> r00t4rd3d, so, if I choose a roughing offset of 0.0, the last pass should be at the exact depth parameter, right?
[13:51:59] <r00t4rd3d> you dont want to use 0.0 or your finish pass will have nothing to cut
[13:53:01] <gmagno> if I choose a roughing pass of 0.1, a max depth of 1.0, and a roughing offset of 0.0, it should do 10 passes, right?
[13:53:55] <r00t4rd3d> for one line
[13:54:09] <gmagno> for one line?
[13:54:15] <gmagno> what do you mean
[13:54:54] <r00t4rd3d> yeah it would do ten passes at 0.1inch
[13:55:33] <r00t4rd3d> err wait
[13:55:39] <r00t4rd3d> 0.1 is inches
[13:55:46] <gmagno> but is there anything I'm missing? Because I would only need two parameters for this, roughing pass and max depth
[13:55:47] <r00t4rd3d> so how many ever 0.1 = an inch
[13:56:24] <r00t4rd3d> ten 0.1 doesnt equal and inch , 1.0
[13:56:34] <JT-Shop> while trying to install simulator. The package installer comes up with message
[13:56:34] <JT-Shop> Error: Cannot install 'python-imaging-tk'.
[13:56:39] <gmagno> :-o what
[13:56:47] <JT-Shop> anyone know what that means?
[13:57:07] <r00t4rd3d> s/and/an
[13:58:49] <gmagno> r00t4rd3d, how come 10x0.1 != 1 ??
[13:59:14] <r00t4rd3d> cause its measurement, not counting
[14:00:38] <gmagno> ok, there must be something really fundamental that I'm missing here, because I'm completely lost (OR you don't know what you're saying :P)
[14:00:48] <r00t4rd3d> that may be true
[14:00:55] <gmagno> which one? :D
[14:01:24] <gmagno> ok, let's thing together
[14:01:28] <gmagno> think*
[14:02:52] <r00t4rd3d> does 10 passes at 0.1inch equal 1.0inch ?
[14:02:54] <r00t4rd3d> who knows
[14:02:57] <r00t4rd3d> i dont think so
[14:03:51] <r00t4rd3d> maybe it does, try it
[14:03:57] <gmagno> wait
[14:04:09] <gmagno> what does 1 pass of 0.1inch equals to?
[14:04:17] <gmagno> 0.1, right?
[14:04:32] <gmagno> (this is becoming ridiculous)
[14:04:34] <gmagno> :D
[14:04:42] <r00t4rd3d> yeah which is almost an 1/8th of an inch
[14:04:53] <r00t4rd3d> 0.125 = 1/8 of an inch
[14:05:14] <gmagno> no, it's 1/10th
[14:05:22] <gmagno> it's 0.1
[14:05:40] <r00t4rd3d> *almost*
[14:05:49] <r00t4rd3d> im done.
[14:05:57] <r00t4rd3d> stick a fork in me
[14:06:06] <gmagno> :D
[14:06:15] <r00t4rd3d> image to gcode sucks anyway
[14:06:23] <gmagno> I think we both need some rest
[14:06:32] <r00t4rd3d> you will soon realize that
[14:06:41] <r00t4rd3d> for simple stuff, okay
[14:06:52] <gmagno> why is that?
[14:08:21] <r00t4rd3d> if it interprets it wrong, you have no way of correcting it.
[14:08:26] <r00t4rd3d> no way to scale it
[14:08:33] <r00t4rd3d> no way to preview it
[14:08:40] <r00t4rd3d> no way to change your tool
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[14:09:13] <r00t4rd3d> it is extremely basic
[14:12:02] <r00t4rd3d> i can use vector magic and cut2d and see exactly what my image will look like, can edit the nodes, change my tool, preview my cuts
[14:16:24] <gmagno> i see
[14:16:44] <gmagno> I'll give image_to_gcode a try
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[14:30:58] <gmagno> is there a way of changing feedrate whilemachine already performing work
[14:31:01] <gmagno> ?
[14:31:13] <gmagno> there is a feed override
[14:31:19] <gmagno> but I want more than 120%
[14:31:46] <gmagno> I'm figuring that this will take an eternity... :P
[14:32:40] <gmagno> 7mins have passed and still in 25% of the FIRST pass...
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[14:38:07] <JT-Shop> gmagno: http://linuxcnc.org/docs/html/config/ini_config.html#_display_section_a_id_sub_display_section_a
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[14:42:39] <jp__> morn
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[14:53:22] <JT-Shop> morning
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[14:59:02] <joe9> is it possible to run linuxcnc simulation on a machine without rtai installed? and with a linux kernel 3.4.6?
[14:59:25] <DJ9DJ> at least with 3.2.0-29 it works :)
[14:59:50] <joe9> DJ9DJ: did you have to do anything special/different to get it installed?
[15:00:22] <DJ9DJ> hm, i downloaded a special simulation package
[15:00:39] <ReadError> i just threw linuxcnc on my vmware esxi box
[15:00:40] <DJ9DJ> the file is called linuxcnc-sim_2.5.0_amd64.deb on my hard drive...
[15:00:52] <joe9> DJ9DJ: ok, thanks.
[15:00:58] <joe9> ReadError: will check that out.
[15:01:41] <DJ9DJ> dont remember any special points, but i created/adapted the simulation hal configuration for my machine extends
[15:02:03] <DJ9DJ> joe9: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?action=browse&diff=1&id=LinuxCNC_Pure_Simulator
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[15:02:46] <joe9> DJ9DJ: ok, thanks a lot.
[15:03:06] <DJ9DJ> good luck
[15:04:48] <DJ9DJ> you have to look if you need 32-bit (i386) or 64-bit support (amd64)
[15:05:01] <joe9> i need 64 bit for this machine.
[15:05:22] <DJ9DJ> ok
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[15:08:31] <JT-Shop> joe9: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_Pure_Simulator
[15:11:02] <DJ9DJ> yeah thats the right page :)
[15:18:29] <jp__> JT-Shop: did the files i sent work for you?
[15:19:00] -!- gmagno has quit [Ping timeout: 246 seconds]
[15:25:33] <JT-Shop> when did you send them?
[15:26:04] <jp__> emailed few days ago
[15:26:49] <joe9> JT-Shop: thanks.
[15:31:20] <JT-Shop> let me go check my spam folder
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[16:29:36] <skorket> I'm trying to figure out how to cut aluminum, and if it's even possible on my machine. Could someone give me a suggestion as to what bit to use and what feed rate to use if I have an 8000 RPM spindle?
[16:31:40] <JT-Shop> what kind of machine?
[16:32:21] <skorket> it's a 7"x7" kit from zen toolworks. It's made out of PVC
[16:33:08] <skunkworks__> heh'
[16:33:10] <skunkworks__> sorry
[16:33:17] <JT-Shop> what size end mill?
[16:33:28] <skunkworks__> high rpm - small mill - slow feed - lots of coolant.
[16:34:01] <JT-Shop> and how many flutes?
[16:34:06] <JT-Shop> hi Sam
[16:34:34] <skorket> The spindle takes a 1/8" shank, but other than that, I'm open to suggestions.
[16:34:57] <JT-Shop> are you wanting to engrave or mill out a pocket or what?
[16:35:08] <skorket> mill out a pocket
[16:35:24] <skunkworks__> Hi john
[16:35:43] <cradek> I'd have to go with not possible
[16:35:57] <skunkworks__> Chris!
[16:36:03] <cradek> uh-oh
[16:36:10] <skorket> cradek, I've heard that around, why do you say that?
[16:36:43] <cradek> it's made out of pvc
[16:37:31] <skorket> if you go slow, with a small mill, you still wouldn't be able to mill out something?
[16:37:44] <skorket> skunkworks__, do you have a suggestion as to the bit size and speed?
[16:38:15] <skunkworks__> not really - I have never tried on something that flimsy
[16:38:20] <JT-Shop> if you just want to find out for a 1/8" 2 flute carbide end mill at 8k rpm go 15IPM or so
[16:38:55] <skunkworks__> cradek: did jepler try to cut anything aluminum on his?
[16:39:02] <skunkworks__> On his zenbot
[16:39:14] <JT-Shop> skorket: http://www.lakeshorecarbide.com/18variable2fluteendmillforaluminumzrn.aspx
[16:39:21] <skunkworks__> That is a bit stiffer...
[16:39:29] <cradek> skunkworks__: no, that'd be crazy
[16:39:55] <cradek> fortunately carbide bits that small don't cost much. I recommend getting about 10 of them
[16:40:04] <JT-Shop> skorket: you can't go slow or the alum will generate enough heat to weld to the end mill
[16:40:09] <JT-Shop> LOL
[16:40:20] <skunkworks__> well - that is why I say lots of coolant...
[16:40:26] <skorket> JT-Shop, yeah, 15 ipm is really fast
[16:40:29] <cradek> 10 is probably enough to get you through to the end of the experiment :-)
[16:40:40] <JT-Shop> not for 8k rpm
[16:40:58] <skorket> JT-Shop, may I ask how you came up with those numbers?
[16:41:12] <JT-Shop> my feed and speed charts
[16:41:30] <JT-Shop> they are on the link as well
[16:42:12] <JT-Shop> I also have a spreadsheet to convert sfm diameter and # of flutes to rpm and ipm
[16:42:52] <skorket> and the general rule of thumb is to go as deep as half of the bit diameter? In this case, take of 1/16" of an inch at a time?
[16:43:02] <JT-Shop> actually that 1/8" bit should be going 53k rpm and 100 IPM
[16:43:15] <skunkworks__> wouldn't that be nice..
[16:43:24] <skunkworks__> JT-Shop: how is the converting going?
[16:43:42] <JT-Shop> hooking up the relays if I had some
[16:43:54] <JT-Shop> limits and inputs done
[16:44:03] * skunkworks__ likes opto22 stuff
[16:44:04] <JT-Shop> MPG next I think
[16:44:59] <JT-Shop> I have one SSR for the power supply to the drives and the rest are tiny relays for case fan, lube pump, drive enable
[16:46:58] <skorket> JT-Shop, so should I not even try the 1/8" bit at 8k rpm and 15 ipm?
[16:47:51] <JT-Shop> I cut with an 1/8" bit at what ever rpm the machine can muster and adjust the feed to get the proper chip load
[16:48:17] <r00t4rd3d> i used 1/8 bit at 12k rpm and 12ipm :D
[16:48:25] <r00t4rd3d> used/use
[16:48:35] <skorket> and 15 ipm is fast enough?
[16:48:38] <jdh> with a less rigid machine, you might not be able meet the chip load spec
[16:48:52] <JT-Shop> fast enough for what?
[16:49:29] <skorket> to mill out material or to not weld the bit to the material...
[16:49:52] <skorket> What if I use a maller bit, 1/16" say?
[16:50:04] <archivist> skorket, now I know the machine is flimsy, conventional milling ONLY
[16:50:22] <skorket> archivist, aluminum is non convential?
[16:50:32] <skorket> *conventional
[16:51:06] <archivist> climb milling gets a better finish, you machine cannot manage that
[16:51:34] <skorket> ok
[16:52:14] <archivist> you will be breaking bits till you learn how little you can cut per pass
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[16:54:08] <archivist> the cutting force reaction goes through the frame which is plastic and flexible
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[16:54:38] <jp__> any way to remove limits on a rotary axis?
[16:55:03] <IchGuckLive> 0-360 or the 9999
[16:55:15] <archivist> I set my limits insanely high 9999
[16:55:24] <JT-Shop> I seem to recall someone setting them absurdly high for some reason I now forget
[16:55:43] <jp__> still getting cant exceed pos limit when set to 9999
[16:56:05] <JT-Shop> -9999 and 9999?
[16:56:05] <skunkworks__> what is the gcode?
[16:56:11] <jp__> and it was just g01 a15
[16:56:18] <IchGuckLive> is there a higher in your G-code
[16:56:50] <IchGuckLive> G01 will not work G0 shure
[16:57:05] <archivist> jp__, did you home the axis
[16:57:17] <jp__> yes
[16:57:42] <jp__> sorry meant g0 a15
[16:58:48] <archivist> are you rotating in one direction for many revolutions
[16:59:04] <jp__> yes
[17:00:23] <archivist> a limit of 9999 degrees is only 27.775 revs
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[17:00:53] <JT-Shop> set your limits to 99999
[17:01:02] <archivist> another reason one needs to be able to goto nearest 0 deg
[17:01:12] <JT-Shop> that is 277 revs
[17:01:37] <jp__> My bad f'ed up my ini with the 2nd yaxis motor
[17:02:08] <jp__> works now
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[17:06:37] <skunkworks__> how is the extruder going?
[17:09:32] <jp__> Just trying to get the hot end right i ditched the peek for polyimide
[17:10:16] <jp__> running a prog right now without the hotend to test out the machine
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[17:14:37] <jonathan_> anybody built a custom hm2 firmware lately?
[17:16:49] <gmagno> damn, I'm really having a hard time trying to find out what Roughing Offset means in image_to_gcode... I've tried with different simple linear gradient images, but still have no idea what that param means... could someone give me a hint?
[17:16:58] <jonathan_> I got to the point of building the custom bit files but the script says "xst: not found"
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[17:20:43] <jonathan_> Tom_itx, are you around?
[17:33:13] <gmagno> hmm I assume that image_to_gcode is not very popular here... :-/
[17:33:52] <IchGuckLive> gmagno: Hi how is it going
[17:34:10] <IchGuckLive> shoudt i send another image
[17:34:32] <gmagno> Hey IchGuckLive :)
[17:34:58] <IchGuckLive> i modified som today
[17:35:08] <IchGuckLive> from the japan side
[17:35:28] <IchGuckLive> gmagno: do you got Blender working on your PC
[17:35:45] <IchGuckLive> i got also the ┬žD of Lola
[17:35:48] <IchGuckLive> 3s
[17:35:50] <gmagno> I'm currently trying to machine a very simple image, a mountain :) I'm using image_to_gcode. But I'm not quite sure about what "Roughing Offset" means
[17:35:51] <IchGuckLive> as stl
[17:35:52] <gmagno> I do
[17:36:14] <gmagno> I'm not a guru, but I used blender a lot in the past
[17:36:18] <IchGuckLive> its just material alowence
[17:36:48] <IchGuckLive> il send you a mail
[17:39:05] <gmagno> tuning this parameters is crucial for a good tradeoff between having a good piece of work and time spended on making it
[17:39:14] <IchGuckLive> gmagno: so you know howto join meshes
[17:39:39] <IchGuckLive> gmagno: why not 0 ZERO
[17:40:03] <gmagno> IchGuckLive, I'm machinning MDF
[17:40:14] <gmagno> I think I would kill the drill bit
[17:40:24] <gmagno> need to do some passes
[17:40:33] <gmagno> this is a 2mm drill Im using
[17:41:06] <IchGuckLive> if you zig zag from outwards at 4mm depth it ahoudt work
[17:41:19] <archivist> !!!
[17:41:24] <IchGuckLive> Why dident you use NECURON or sutch stuff
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[17:43:38] <gmagno> necuron is the material?=
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[17:44:40] <archivist> I question the wisdom of 2mm bits and mdf,
[17:44:47] <gmagno> IchGuckLive:"if you zig zag from outwards at 4mm depth it ahoudt work". Im not sure I understand what you mean
[17:44:55] <IchGuckLive> its basicly a wooden like 2cplastic that you can chip with a 1mm bit
[17:45:26] <gmagno> archivist, what's wrong with that?
[17:45:35] <IchGuckLive> 4mm Depth 0.5 Stepover
[17:45:47] <IchGuckLive> gmang Your country is
[17:46:03] <gmagno> IchGuckLive, how is that relevant for our discussion?
[17:46:59] <archivist> gmagno, you will probably be getting the flutes bunged up
[17:48:46] <IchGuckLive> i need ro reload the PC one moment
[17:48:48] <archivist> experiment and see how well it works
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[17:52:40] <IchGuckLive> gmagno: Mail is out
[17:53:04] <IchGuckLive> i need to go cause No Rain Garden is Dry as Desert
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[18:14:49] <gmagno> once again I was being too conservative. I'm doing deeper roughing steps and everything's fine
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[18:27:41] <archivist> cut too little, it is slow and the tool can wear out quickly, cut too much flutes clog cannot clear the chips tool snaps/burns
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[18:48:11] <jp__> can the jog speed in axis be changed to read in units per sec?
[18:52:32] <JT-Shop> you could modify axis.py or add perhaps to .axisrc
[18:53:09] <JT-Shop> there is a circuit board behind my MPG on the Anilam... I assume I don't need that with my 7i77
[18:56:58] <skunkworks__> does it seem like a normal mpg?
[18:58:11] <JT-Shop> yea, has 5v, 0v, A, B terminals
[18:58:27] <JT-Shop> I think it is a comm board back to the PC
[18:58:36] <jp__> A gcode of F540 would equal 540 inches/min in imperial and 540mm/s in metric correct?
[18:59:02] <JT-Shop> 540mm/min
[18:59:43] <jp__> thx
[18:59:56] <JT-Shop> http://linuxcnc.org/docs/html/gcode/machining_center.html#sub:feed-rate
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[19:09:19] <FinboySlick> Oops, my computer was plugged into that one ;)
[19:09:39] <jp__> Whats the best method to treat my 4th axis as a linear axis
[19:09:52] <FinboySlick> jp__: Know your diameter.
[19:09:57] <jp__> yes
[19:10:13] <FinboySlick> sorry, that's as far as my knowledge go
[19:11:36] <JT-Shop> your 4th axis is an extruder?
[19:11:44] <jp__> yeah
[19:12:31] <jp__> i have the step scale set. so if i do a g01 a1 i get one inch of material fed
[19:12:35] <JT-Shop> so all you want to do is turn the extruder motor so many steps
[19:12:48] <JT-Shop> there you go
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[19:12:59] <jp__> no move it a certain distance
[19:13:16] <JT-Shop> ??
[19:13:34] <jp__> but how does the feedrate apply when i do that?
[19:13:55] <JT-Shop> is it configured as a linear or rotary?
[19:14:31] <jp__> i set it to linear but in axis i still see the jog slider in deg/min
[19:14:56] <jp__> should the slider not disappear if the axis is a linear one
[19:15:43] <JT-Shop> what coordinates are you using in the [TRAJ] section?
[19:16:20] <jp__> X Y Z A, i tried U but got nasty error messages
[19:16:30] <JT-Shop> about?
[19:16:37] <jp__> one sec
[19:17:34] <JT-Shop> for U you need joints = 7 and AXIS_6 for U
[19:18:13] <jp__> http://pastebin.com/6dLNH6hk
[19:18:26] <jp__> ah thats why then
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[19:20:41] <jp__> Now i have a U axis
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[19:22:16] <jp__> JT-Shop: Much better now Thanks
[19:22:23] <JT-Shop> welcom
[19:22:24] <JT-Shop> e
[19:23:13] <jp__> I wonder why i haven't heard of others having to do the same?
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[19:46:20] <tjb1> r00t4rd3d: You here
[19:47:35] <tjb1> My z axis is 20lbs, is that too much?
[19:48:15] <JT-Shop> my z axis is 400lbs
[19:49:18] <tjb1> 1 nema 23 320 oz will be driving it
[19:50:20] <tjb1> That a good weight or too much?
[19:52:32] <archivist> some have a balance weight to reduce Z load
[19:52:39] <archivist> or spring
[19:55:10] <tjb1> Its not a load the motor will see, this is the entire z axis
[19:55:25] <tjb1> It bolts to 2 carriages on the gantry
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[19:56:21] <archivist> the Z motor sees the spindle motor assembly weight
[19:57:21] <tjb1> No...my z motor is bolted to an extrusion...this whole assembly tgat bolts to the gantry weighs 20lbs
[19:58:07] <archivist> X or Y see the carriage (including Z) mass
[19:58:07] <tjb1> Im not concerned with the z motor liad
[19:58:07] <tjb1> Load
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[19:58:14] <tjb1> Id like to know if this is too much for the y motor
[19:58:17] <JT-Shop> yea! MPG done
[19:58:25] <tjb1> 3:1 r&p drive on y
[19:58:29] <archivist> but..only 20lbs
[19:58:48] <tjb1> So its not too much?
[20:01:58] <JT-Shop> what is axis.n.wheel-jog-active?
[20:02:08] <JT-Shop> it's not in the manual :(
[20:02:58] <JT-Shop> oh, it's listed as a debugging pin with no description
[20:03:21] <jp__> i think for individual axis jog wheels or mpg's
[20:03:32] <jp__> it's a readback right
[20:04:04] <archivist> on off to light an led?
[20:05:16] <jp__> Thinks it's time to mount the extruder and lit it rip!!!
[20:05:52] <skunkworks__> Video!!
[20:06:12] <jp__> let me get thru my first real run!!!
[20:06:30] <jp__> still lots of time to crash stuff!! lol
[20:07:01] <jp__> The steppers sound cool kinda musical
[20:07:52] <JT-Shop> it is an out pin
[20:09:16] <jp__> yeah lets you know that that axis is in jog mode right?
[20:09:47] <jp__> i think i used it when i was working on my teensys pendant
[20:11:47] <JT-Shop> you mean jog-enable?
[20:12:39] <JT-Shop> nope not that
[20:13:58] <JT-Shop> maybe it is on when your jogging with the remote device
[20:16:48] <jp__> i can check on my mill if you want
[20:17:33] <JT-Shop> naw it's ok
[20:18:04] <jp__> just did that is it
[20:18:20] <jp__> when ever i trn my mpg it is on
[20:18:50] <jp__> i was using it anyways to drillmy extruder mount
[20:19:01] <JT-Shop> ok, cool
[20:19:35] <jp__> "Linuxcnc reprap" -linuxcnc machines making other linuxcnc machines LOL
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[20:29:31] <JT-Shop> I used my plasma cutter to make parts for my plasma cutter while building it
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[20:31:03] <FinboySlick> Hmmm, can I set acceleration on the spindle itself so that the machine would wait until my spindle has spun up to starts cutting. I add a dwell at the top of all my gcode in the meantime but it'd be cool to have EMC figure that one out.
[20:31:25] <JT-Shop> spindle-at-speed or something like that
[20:34:13] <JT-Shop> http://linuxcnc.org/docs/html/man/man9/axis.9.html
[20:34:24] <FinboySlick> Hmmm, that requires an encoder though, no?
[20:37:06] <JT-Shop> it is a bit
[20:37:50] <JT-Shop> do you control your spindle with linuxcnc
[20:38:01] <FinboySlick> Just 0-10v pwm.
[20:38:20] <FinboySlick> I don't think the VFD outputs an RPM feedback.
[20:38:37] <JT-Shop> does it have an at speed output?
[20:38:48] <FinboySlick> It is full of chinese symbols ;) I wouldn't know even if it did.
[20:39:30] <JT-Shop> like Werner Von Braun "and I'm learning how to count down in Chinese"
[20:39:33] <FinboySlick> The mill as it is now doesn't seem to provide an 'at speed' output, but maybe the VFD does.
[20:40:06] <JT-Shop> if you can bring the at speed into the motion.spindle-at-speed your good to go
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[20:42:49] <FinboySlick> JT-Shop: Yeah, I'll definitely look for something of the sort.
[20:43:21] <FinboySlick> It has an LED display that outputs stuff so there's got to be some sort of feedback.
[20:48:46] <DJ9DJ> gn8
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[21:07:26] <JT-Shop> pcw_home: the enable + and - on the 7i77 can I use them to ground my enable on the drives? my drives ground the enable pin to enable the drive
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[21:31:19] <pcw_home> Yes they are floating switches so the can either pull-up or pull-down
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[21:32:37] <pcw_home> (but note that enables 0 ..4 switch at once, only enable 5 its independent, its intended for the spindle)
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[21:47:41] <JT-Shop> ok, so I wire the enable line to enable + then take enable - to ground?
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[21:58:03] <pcw_home> Yeah if grounding it enables the drive
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[22:05:23] <pcw_home> (also make sure its within the specs of the Enable output OPTO = 50 mA an d 100V max)
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[22:06:14] <JT-Shop> ok, thanks
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[22:22:05] <r00t4rd3d> anyone have plans for a cool puzzle box?
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[22:26:57] <FinboySlick> http://sv.wikipedia.org/wiki/Fil:Hellraiser_Puzzle_Box.jpg ;)
[22:28:57] <FinboySlick> Don't make it work as well as in the movie though.
[22:30:22] <Aero-Tec> got a question
[22:30:34] <Aero-Tec> I have a file loaded and wanted to edit it
[22:30:41] <Aero-Tec> hit the edit
[22:30:52] <Aero-Tec> the file opened in the editor
[22:31:04] <Aero-Tec> problem is I can not edit it at all
[22:31:08] <Aero-Tec> nothing
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[22:31:19] <Tom_itx> rights?
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[22:31:31] <r00t4rd3d> or in use
[22:31:33] <FinboySlick> Meaning that the editor doesn't get launched? Or you can't save?
[22:31:47] <r00t4rd3d> read only flag
[22:32:02] <Aero-Tec> I can select where to do a edit but the editor will not allow any key stokes
[22:32:26] <r00t4rd3d> right click the file and see what the permissions are
[22:32:35] <r00t4rd3d> well right click, properties
[22:32:37] <FinboySlick> Aero-Tec: That does sound like a permission issue or it being already opened.
[22:32:48] <Aero-Tec> if it was a file usage or premissions problem it should not load or save
[22:33:12] <Aero-Tec> it was opened on a network computer
[22:33:48] <Aero-Tec> but closed the file on the network computer and it still would not let a edit happen
[22:34:40] <Aero-Tec> maybe I need to reload it in EMC for it to work
[22:35:01] <pcw_home> Most editors will open a read only files, but prevent any changes (and remind you of this by beeping if you type)
[22:35:23] <Aero-Tec> if it was a permisions problem, why would the editor not allow any input?
[22:36:01] <pcw_home> because the file is read only so any input would be lost
[22:36:09] <Aero-Tec> no speakers on computer, but should still have the mother board beeper
[22:36:52] <Aero-Tec> ok
[22:36:54] <FinboySlick> Aero-Tec: A lot of desktop environments redirect that signal to the soundcard.
[22:36:58] <Aero-Tec> thanks for the input
[22:36:58] <pcw_home> usually theres so notifier on the editor (read only file) or some such
[22:37:36] <pcw_home> theres a notifier
[22:38:20] <Aero-Tec> it does have a built in sound card
[22:40:59] <JT-Shop> Aero-Tec: this in Ubuntu?
[22:43:16] <pcw_home> If it has a sound card beeps will be re-directed there for sure
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[22:59:38] <r00t4rd3d> touti fruiti
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