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[00:37:49] <tjtr33> yesterday i asked if there was a configurable backplotter , cuz my hurco uses absolute IJ ( very weird).
[00:37:49] <tjtr33> i found that Heeks not only has output posts ( to create Gcode) but input posts ( to backplot ). it woiks!
[00:38:48] <tjtr33> input posts backplot from gcode
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[00:48:02] <PetefromTn_> what the hell does that mean to the layman>
[00:49:39] <skunkworks__> cad in reverse...
[00:49:54] <skunkworks__> gcode into cad
[00:52:03] <tjtr33> sorry PetefromTn_ , makes a picture of what the gcode does
[00:52:39] <tjtr33> helps me figger out if my post is correct
[00:57:00] <PetefromTn_> aah okay.. interesting.
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[01:36:00] <PetefromTn_> jeez man we are having some nasty storms here now.
[01:36:28] <PetefromTn_> there has been lots of tornadic activity north of us tonight apparently.
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[01:40:40] <tjtr33> crazy windy in illinois too, but clouds are hi, not moving, so the winds must be low
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[01:43:52] <PetefromTn_> yeah it is just looking like a big thunderstorm right now. Thankfully.
[01:47:34] <tjtr33> when the rain comes, the pressure drops
http://www.youtube.com/watch?v=ppAt_qyWN8E
[01:48:19] <zeeshan> YEA tornado!@!
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[02:02:03] <PetefromTn_> how do you find this helps you determine if your Code is correct? I basically rely mostly on the simulations in my cam softwares as well as the LinuxCNC plot on the screen to check myself the first time around. And of course slowing everything down and occasionally doing air cuts if it is really a complex thing. Mostly I just try to be real careful when I am making the program in the first place.
[02:02:48] <toastyde1th> PetefromTn_, I bump the work offset up by the maximum z depth in the program
[02:03:16] <toastyde1th> watch it run once, back all the tools off some amount, and then let it run
[02:03:20] <toastyde1th> tool by tool
[02:03:26] <toastyde1th> checkin' dimensions as the tools finish
[02:03:33] <toastyde1th> rerun with the correct offset
[02:03:36] <toastyde1th> next tool.
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[02:07:55] <PetefromTn_> in heekscad?
[02:09:04] <scooty_puff> does anyone know a good place to buy industrial sized servos?
[02:10:40] <PetefromTn_> I bought my servos from MachMotion. These are the Teco brand and so far they are very very nice. They also sell mitsubishi or some other higher priced ones too...
[02:13:05] <scooty_puff> are there no like $100 servos?
[02:14:20] <PetefromTn_> commercial sized? not unless you get them from a salvage machine or something most likely.
[02:14:39] <PetefromTn_> what kind of machine are you putting them on?
[02:15:13] <scooty_puff> im building a cnc but i dont need that much torque
[02:15:24] <scooty_puff> i just need the precision
[02:16:48] <toastyde1th> PetefromTn_, no sorry, on the tool itself
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[02:19:44] <PetefromTn_> scooty_puff So you are building a hobby machine then. You probably want to look at some of the hobby sized servos available. On my RF45 I used Keltec 1100 Oz inch motors and they worked great altho they were probably way overkill. I got them for a song so I used them.
[02:20:11] <PetefromTn_> toastyde1th Okay thanks. I do something similar as well.
[02:20:20] <PetefromTn_> what kinda machine do you have toast?
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[02:22:47] <tjtr33> PetefromTn_, (sorry was away) the 1st thing i needed to check for was 'crop circles' which are paths that go off in crazy big loops.
[02:22:48] <tjtr33> later i could check begin and end of each code fragment to be exact.
[02:23:43] <tjtr33> the simulation in linuxcnc wont do absolute IJ ( the ngc format is relative afaict )
[02:24:27] <toastyde1th> PetefromTn_, i don't own any machines, this was in the shop
[02:24:32] <PetefromTn_> crop circles are typically in your IJ settings I had that problem back when I used mach3 the first couple times.
[02:24:36] <toastyde1th> used to be a machinist for a few years
[02:24:57] <Tom_itx> toastyde1th, what type of industry?
[02:25:05] <toastyde1th> made air bearings
[02:25:21] <XXCoder1> ah so it helps air move better ;)
[02:25:27] <Tom_itx> dip
[02:25:41] <tjtr33> right , perfect IJ values for this machine show up as crop circles in linuxcnc ( different interpreter, different rules )
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[02:25:50] <XXCoder1> interesting
https://en.wikipedia.org/wiki/Air_bearing
[02:25:52] <PetefromTn_> huh... never had that problem so far as I can tell.
[02:26:09] <PetefromTn_> you have never seen an air bearing before then huh?
[02:26:11] <Tom_itx> toastyde1th, i think it's interesting to see where our backgrounds lie
[02:27:22] <XXCoder1> never, pete
[02:28:30] <tjtr33> the heads in Charmilles D-10's were hydrostatic ( oil instead of air bearings )
[02:28:35] <PetefromTn_> jeez man I have been having a lot of issues latley with youtube playing on my laptop. It is really driving me crazy here. First it was the sound setup and now the videos won't play at all. It just sits there.
[02:28:49] <toastyde1th> we made a few hydrostatic bearings but never in production
[02:29:15] <tjtr33> PetefromTn_, Flash blowed up? try reinstall?
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[02:29:38] <PetefromTn_> I just switched to Google Chrome and I am not sure how to do that exactly now.
[02:30:01] <XXCoder1> reinstall is always the solution. your laptop released lots magic smoke? just reinstall os ;)
[02:30:05] <PetefromTn_> I was using firefox but that was giving me similar issues so I switched after reading that flash player is innate in Chrome..
[02:30:23] <PetefromTn_> huh?
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[02:31:12] <XXCoder1> was making bit of joke. old days if there was any problem with OS, reinstall tend to be solution from tech support in microsoft lol
[02:32:26] <fenugrec> Hi guys. A question for lathe users that have a CAD/CAM -> postprocessor -> G code workflow : how do you handle cutter compensation ? Do you generate toolpaths with sharp corners and let G41/G42 work; or even at the CAM stage you specify tip radius and so the toolpaths are already "offsetted" as required ?
[02:32:29] <PetefromTn_> I did download the latest flash player for firefox a couple days ago but it did not seem to help. Wondering if I got some kinda virus here. all my definitions are up to date etc.
[02:33:42] <toastyde1th> fenugrec, the former - i always let the machine handle the tool
[02:34:02] <toastyde1th> machinists who do cutter comp in CAM without a damn good reason are a pain in my ass
[02:34:04] <fenugrec> I'm using PTC Creo with an academic license so I have the CAM + NC modules. It's powerful enough to do both
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[02:34:45] <fenugrec> toastyde1th: one reason I could see is to check tool interference at the CAM stage,
[02:35:05] <fenugrec> you can't do that accurately with a "straight" toolpath
[02:35:07] <Tom_itx> fenugrec, i don't have a cnc lathe but my cad cam lathe package programs the tool center radius
[02:35:27] <Tom_itx> then enter the radius as part of the tool geometry
[02:35:56] <toastyde1th> fenugrec, the cam packages I've seen that have a worthwhile tool interference check have zero issues with letting the machine handle tool interference
[02:35:59] <toastyde1th> er
[02:36:00] <toastyde1th> tool offset
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[02:36:53] <toastyde1th> the situations i've encountered where tool intereference WAS an issue couldn't be handled in CAM because the tool isn't a nice neat shape
[02:37:06] <fenugrec> Tom-itx: what do you mean by "programs the tool center radius" ? you mean your CAM software needs to know radius, right ?
[02:37:16] <Tom_itx> yes
[02:38:29] <Tom_itx> it has a place to enter the tool type and other data
[02:39:22] <fenugrec> toastyde1th: well with Creo you can CAD your tool so any non-nice shape is "interferable". I'm actually still fighting to get the toolpath to be entirely straight... unless I tell Creo all my tools have 0 radius.
[02:39:39] <fenugrec> Tom_itx: ok, so it probably doesn't use G41/G42 at all...
[02:39:41] <Tom_itx> i've only used it a few times because when i was running a cnc lathe we mostly did MDI programs and all i have now is a mill
[02:39:58] <toastyde1th> also on the lathe 90% of the time I just programmed the path by hand and used the roughing/finishing cycles
[02:40:01] <toastyde1th> instead of using a cam package
[02:40:20] <Tom_itx> it's generally easier that way on a lathe
[02:40:52] <fenugrec> toastyde1th: where did you find roughing/finishing cycles in linuxCNC ? with image2gcode ??
[02:41:10] <toastyde1th> i don't/haven't used linuxcnc
[02:41:30] <toastyde1th> as far as i know linuxcnc doesn't have the standard lathe cycles
[02:41:47] <ssi> no, I wish it did
[02:42:09] <toastyde1th> also the newer fanuc controls have some very nice automatic cycles for mills too
[02:42:23] <toastyde1th> which i undestand are starting to be widely adapted
[02:42:25] <fenugrec> toastyde1th: indeed then. For a moment I thought I missed something. I vaguely remember some similar canned cycles on a Mori Seiki machine
[02:42:38] <toastyde1th> yep, moris usually run yasnac controls
[02:42:43] <toastyde1th> and yasnac/fanuc are very similar
[02:42:53] <toastyde1th> both extremely good
[02:43:20] <fenugrec> Did you have to pay Fanuc $$$ for those "special cycles" ? :-)
[02:44:20] <toastyde1th> as far as i know they're not special
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[02:46:01] <toastyde1th> and let's be frank, if you're buying a used machine, you're not going to be paying fanuc anything
[02:46:15] <toastyde1th> if you're buying a new machine you're making money to justify it, and it's stupid to not pay fanuc
[02:46:46] <toastyde1th> esp because the interface completely replaces CAM for simple, rectilinear parts
[02:47:33] <toastyde1th> the machines I used with those toolpaths were not expensive, in the world of machining; i think they were 60-80k
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[02:49:50] <fenugrec> toastyde1th: I don't own Fanuc-equipped machines, so my opinion is worth about 0, but I find it's a funny business model.
[02:50:17] <toastyde1th> how so
[02:50:23] <Tom_itx> it's a limited market
[02:50:27] <toastyde1th> the control a machine has is 90% of the machine
[02:51:00] <Tom_itx> we had one that ran windows which was utter crap
[02:51:04] <toastyde1th> and can make a really big difference in productivity
[02:51:14] <Tom_itx> not really sure how he got talked into buying it...
[02:51:16] <toastyde1th> esp what order of control it has
[02:51:25] <toastyde1th> modern controls track on jerk rather than velocity
[02:51:50] <toastyde1th> and corner so, so well
[02:52:11] <toastyde1th> which is important if you're cutting at 500-700 ipm
[02:52:38] <ssi> case in point:
[02:52:38] <ssi> https://pbs.twimg.com/media/Btb4wAaIUAAWZYp.jpg:large
[02:52:51] <toastyde1th> haha yeah
[02:52:57] <fenugrec> ssi: is that your laser up and running ?
[02:53:01] <ssi> yes:)
[02:53:20] <ssi> cut some acrylic, some 5mm plywood, and some 1/2" plywood this morning
[02:53:21] <fenugrec> haha nice !
[02:53:27] <ssi> 1/2" it doesn't like; I think I need a longer lens for it
[02:53:32] <Tom_itx> you've been busy
[02:53:34] <ssi> the 5mm cuts beautifully
[02:53:40] <ssi> Tom_itx: I'm always busy :)
[02:54:04] <ssi> I've actually been slack on the laser this weekend; had too much else to do
[02:54:04] <Tom_itx> is the wobble lack of backlash comp?
[02:54:07] <ssi> sailed 8 hours today
[02:54:12] <ssi> Tom_itx: no it's the machine shaking from jerk
[02:54:20] <ssi> when the gantry stops
[02:54:32] <Tom_itx> better figure that out..
[02:54:38] <ssi> it's a very very fine line
[02:54:41] <ssi> imperceptible in an actual cut
[02:54:48] <ssi> that's like a 100 micron wide line
[02:54:56] <ssi> so the shaking is maybe 250 microns wide
[02:55:11] <ssi> it'd be nice to get rid of it for fine engraving
[02:55:14] <ssi> but it's not critical right yet
[02:55:48] <ssi> also that was jogging the axes with the arrow keys; I dunno how the accel gets applied in that case
[02:55:53] <ssi> I'll do a more proper test with gcode soon
[02:56:07] <toastyde1th> you know, back before cnc, when they were doing ultraprecision machining they'd make a cut, use a surface profilimiter to measure it, and record the output to tape, then sum the output of the tape plus the nc commands to the servos
[02:56:12] <toastyde1th> precicely because of that wobble
[02:56:20] <Valen> ssi: servo drive I presume?
[02:56:37] <Valen> what are you using to drive everything?
[02:57:18] <Tom_itx> steppers
[02:57:38] <Tom_itx> with leadshine drivers
[02:58:09] <Valen> wobbly output with steppers wth man
[02:58:17] <fenugrec> hahaha
[02:58:32] <ssi> heheh
[02:58:45] <ssi> once I get all the paneling in place I hope it'll stiffen up the machine too
[02:58:52] <ssi> I also wonder if it's the machine shaking or the tube mounts
[02:58:59] <fenugrec> yeah... a laser head isn't supposed to be too heavy either
[02:59:00] <ssi> not sure if the tube vibrating can do that or not
[03:00:13] <fenugrec> the lack of accel control when jogging sounds like a good explanation
[03:00:26] <fenugrec> lack, or inadequate
[03:00:33] <ssi> yeah, like I said I'm not concerned til I get everything done and do a proper test
[03:00:38] <ssi> I'm fine calibrating axes now
[03:01:12] <pcw_home> all motion obeys accel limits
[03:01:56] <pcw_home> (but jogging does use full accel which seems a bit harsh)
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[03:03:58] <fenugrec> (how sweet. I can finally go from CAD to Gcode in a few sortof-easy steps, without leaving the "comfort" of Creo. For some reason I never got along with mastercam...)
[03:04:28] <skunkworks_> but if you use master - which has the new TP - jogging and running gcode are a lot closer to the same now.. (full acc)
[03:06:07] <ssi> I'm on JA4
[03:06:12] <ssi> which I think doesn't have the new TP
[03:07:30] <fenugrec> skunkworks_ TBH I haven't touched mastercam X something for a few years (probably a version from 2004-2007), and I only remember it was painful. And I was using ProE 4, so I knew the meaning of pain.
[03:07:38] <PetefromTn_> I wish I had the new TP on the Cincinatti..
[03:09:26] <fenugrec> skunkworks_ haha oops I thought you were talking about "master"cam, not "linuxcnc master".
[03:09:34] <ssi> heheh
[03:10:04] <PetefromTn_> Well after a LOT of lightning and thunder and reports of tornadoes etc etc etc we did not even get a drop of rain here. thankfully.
[03:10:11] <skunkworks_> ssi: there is a version of ja that has the new tp
[03:10:25] <PetefromTn_> whaddahell is JA?
[03:11:24] <skunkworks_> Joints Axis branches.. they are trying to separate the joints (actuators) and xyzabcuvw axis.
[03:11:45] <skunkworks_> if that makes any sense at all..
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[03:12:27] <PetefromTn_> no not really ;)
[03:12:35] <ssi> skunkworks_: yeah I knowm, i'll try it
[03:12:48] <ssi> PetefromTn_: we had this discussion the other day :P
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[03:13:47] <skunkworks_> for most machines joint = axis... like on a your Cincinnati - the x axis servo moves the x axis.. But for a robot arm Joint doesn't equal axis.. (moving joint A doesn't move along a x axis for example)
[03:14:43] <ssi> and gantry machines are a particularly common type of machine where that's not true
[03:14:50] <ssi> Y axis on a gantry machine has a left joint and a right joint
[03:15:04] <ssi> and if you want to home them independently, you have to treat them as separate joints
[03:17:16] <ssi> now then
[03:17:19] <ssi> got my axes calibrated correctly
[03:17:34] <ssi> anyone have any brilliant suggestions for an awesome first proper test cut?
[03:17:51] <fenugrec> ssi: an encoder wheel for my Denford p-))
[03:18:13] <ssi> send me a drawing :)
[03:18:24] <ssi> oh and I gues a sheet of abs or something
[03:18:55] <fenugrec> hehe it won't be necessary, a friend of mine with a plastic 3d printer is making one already . Thanks though !
[03:19:07] <tjtr33> the cds test, its a way to check your machine
[03:20:36] <ssi> cds test?
[03:20:54] <tjtr33> all linuxcnc come with it,
http://www.cronsrud.com/videos/circle_diamond_square_test.html#.U9XBh9fPG9U
[03:21:14] <tjtr33> circle diamong square, the file in your nc dir is 'cds.ngc'
[03:22:14] <tjtr33> http://server2.smithy.com/media/pdf/CNC%20CDS%20Test.pdf
[03:23:07] <ssi> it's full of Z moves :(
[03:24:19] <ssi> I guess I could take them out and do it as an engraving on wood
[03:25:59] <somenewguy> woo got my new 5hp compressor up and running w/ a real drop instead ofa 16ga extension cord!
[03:26:24] <somenewguy> oiled dual stage is soooooo much quieter than my oilless, this should really change my life lol
[03:26:45] <somenewguy> having shop air is no longer a sacrfacie against my hearing and sanity, and I can finally use my cooling rig
[03:27:50] <somenewguy> boiler plate claims 15 scfm, I'm seeing 10-12, but for the price I am not gonna argue, better than the 7 i had and again, the noise, is glorious
[03:29:39] <XXCoder1> fancy lol
[03:30:47] <ssi> so this'll be a little goofy cause the program doesn't turn the spindle off for the rapids :)
[03:31:04] <ssi> and the toolpath is as if it were cutting with an endmill
[03:33:24] <fenugrec> ssi: does it do a cutter compensation for the diameter of your laser :-)
[03:33:40] <ssi> this probably doesn't
[03:33:43] <ssi> sheetcam will tho
[03:34:21] <fenugrec> did you measure it ? 50um ?
[03:35:04] <ssi> calculates to 116um with this lens
[03:35:08] <ssi> 86um with the othel
[03:35:11] <ssi> but no I haven't measured yet
[03:35:26] <ssi> I need to do some line mw
[03:35:33] <ssi> line width vs focus height test coupons
[03:35:42] <ssi> and then when I find best focus height, I can try to measure it under a microscope
[03:37:40] <ssi> haha watching this run makes me think i need to find vector art of the davinci man and etch it into wood
[03:41:17] <tjtr33> http://goo.gl/JUQLmX convert svg 2 gcode
[03:42:45] <ssi> https://pbs.twimg.com/media/BtmgujdIcAIG3D8.jpg:large
[03:43:17] <ssi> http://www.clker.com/cliparts/5/3/8/8/1289339476951449428vitruvian%20man.svg
[03:43:18] <ssi> sweet
[03:48:38] <ssi> agh dammit
[03:48:40] <ssi> stupid sheetcam
[03:55:53] <ssi> oh man this is gonna be cool
[03:55:54] <ssi> hahaha
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[03:57:57] <XXCoder1> svg thingy worked?
[03:59:28] <ssi> imported it into sheetcam
[04:04:31] <XXCoder1> cutting it now?
[04:04:42] <ssi> engraving, yes
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[04:09:52] <ssi> https://pbs.twimg.com/media/BtmmhmuIEAEbK4O.jpg:large
[04:10:07] <ssi> lul
[04:12:21] <XXCoder1> 2 laser beams?
[04:12:46] <XXCoder1> decal is cool though
[04:12:56] <ssi> no, those are sparks flying
[04:13:03] <ssi> the beam is invisible
[04:13:18] <XXCoder1> oh
[04:13:22] <XXCoder1> interesting
[04:13:30] <XXCoder1> it sure looks like 2 reddish laser beams lol
[04:15:39] <XXCoder1> man photoshop can be damn scary
https://i.chzbgr.com/maxW500/7380104704/h155FCB2B/
[04:16:33] <CaptHindsight> http://www.impawards.com/2006/posters/idiocracy_xlg.jpg
[04:16:33] <toastyde1th> hahahahaha
[04:17:01] <toastyde1th> i am big into photography and try to stay away from photoshopping the shit out of everything
[04:17:05] <XXCoder1> lol yeah that was damn funny movie
[04:17:13] <tjtr33> http://imagebin.ca/v/1UpoNjtb5KSn
[04:17:17] <toastyde1th> except i'm going to have to learn more about it because it's sort of expected from clients now
[04:17:22] <XXCoder1> they never explained why other countries never invaded country full of idiots
[04:17:23] <tjtr33> ssi ^^^
[04:17:57] <ssi> lol
[04:18:19] <ssi> http://www.thingiverse.com/thing:34286/#files
[04:18:22] <ssi> that could be interesting
[04:18:45] <XXCoder1> good precision test
[04:18:50] <XXCoder1> millions of very close cuts
[04:18:55] <tjtr33> yopu got 2 beams? ichguch talked about doubling power using 2 dvd beams
[04:19:14] <CaptHindsight> just don't cross them :)
[04:19:15] <XXCoder1> lol second person fooled by "beams"
[04:19:24] <XXCoder1> sadly I was the first fool
[04:21:09] <ssi> heheh
[04:22:10] <tjtr33> sniject is gone but this flexible joint is still around
http://www.deferredprocrastination.co.uk/blog/2011/lattice-hinge-test-results/
[04:23:00] <tjtr33> ah tracer lines, we get similar in hole edm
[04:24:52] <XXCoder1> less than 4 times thickness?
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[04:26:42] <tjtr33> http://stuartchilds.com/2012/03/snijlabs-plywood-clamps/
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[04:31:28] <PetefromTn_> man are we getting a CRAZY cloud lightning light show right now..
[04:31:58] <XXCoder1> man
[04:32:06] <XXCoder1> thats what I miss about living at arkasas state
[04:32:23] <XXCoder1> washington got crazy stormy clouds once each 2-4 years
[04:34:16] <PetefromTn_> yeah man unbelievable high altitude lightning but so far not even a drop of rain. WEIRD>
[04:34:32] <XXCoder1> they probably vaporized on way down lol
[04:40:31] <PetefromTn_> Well I am done. talk tomorrow guys.
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[05:44:47] <zeeshan> http://www.hawksthirdgenparts.com/product_images/q/282/Tremec_%23133_Reverse_Idler_Shaft_Bracket_Bolt____72894_zoom.jpg
[05:44:51] <zeeshan> anyone know whaere to get those bolts
[05:44:56] <zeeshan> its got a torx 40 head on it
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[05:54:02] <Loetmichel> mornin'
[05:58:11] <anarchos> hi
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[06:59:58] <Deejay> moin
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[10:35:31] <Loetmichel> hmm, any materials people here?
[10:35:55] <Loetmichel> any idea what the case guy used for this enclosures?
http://www.cyrom.org/palbum/main.php?g2_itemId=14145
[10:36:35] <Loetmichel> its 3mm thick aluminium, slightly gashes at the bends (inner bend radius 0,5mm) .. and welded at the corner
[10:37:04] <Loetmichel> +s
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[12:41:50] * SpeedEvil ponders remote manipulators for DIY dentistry.
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[12:48:06] <Smidge204__> You'd probably be better off getting someone to whack you in the face with a golf club
[12:48:16] <jdh> I could do that.
[12:48:35] <Smidge204__> Get in line!
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[13:32:20] <Jymmm> Love the kid and the dogs
https://www.youtube.com/watch?v=dWdfUBajb4I
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[13:38:08] <ssi> morn
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[13:42:25] <PetefromTn_> Morning folks.
[13:52:29] <ssi> morn pete
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[14:09:10] <PetefromTn_> ssi morn..
[14:11:09] <ssi> what's happenin
[14:11:42] <archivist> absolutely nuthin!
[14:11:46] <PetefromTn_> meh not much we survived the storms last night..LOL
[14:16:11] <PetefromTn_> I am working on three different projects for the CNC for customers right now and got to get them done this week hopefully.
[14:17:38] <Loetmichel> grr, i think i can see the lst 1.2mm tc bit glowing inside the steel... it seems, that is dull, too... and i still have to go 4 steel lids out of 1mm zinced steel :-(
[14:17:43] <Loetmichel> last
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[14:33:34] <ssi> PetefromTn_, Loetmichel:
https://pbs.twimg.com/media/BtmmhmuIEAEbK4O.jpg:large
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[14:37:54] <PetefromTn_> nice..
[14:38:00] <PetefromTn_> saw that last night too.
[14:38:04] <ssi> FINE
[14:38:04] <ssi> :)
[14:38:31] <PetefromTn_> I did ENJOY seeing it again tho ;)
[14:38:39] <ssi> I'm glad to hear it heheh
[14:38:50] <ssi> I did a part before I went to bed which is engraved and then cut out of 5mm lauan
[14:38:55] <ssi> but I don't have pics of it yet
[14:39:20] <ssi> cutting wasn't quite right... didn't perfectly penetrate through the very bottom
[14:39:26] <ssi> need to tweak focus height and feedrates
[14:39:28] <PetefromTn_> sweet. how thick a piece of wood can you cut with that thing?
[14:39:34] <jdh> tried any plexi or the like?
[14:39:36] <ssi> I was able to cut 1/2", but it was hard
[14:39:42] <ssi> jdh: yeah acrylic cuts beautifully
[14:39:46] <ssi> lexan not so much
[14:39:48] <PetefromTn_> isn't it just go slower?
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[14:39:58] <ssi> PetefromTn_: well depth of field is a big part of it too
[14:40:12] <ssi> with a 4" or 5" lens and very slow feedrates I can probably do 1/2" reasonably well
[14:40:17] <PetefromTn_> I have zero knowledge of lasers just guessing here.
[14:40:27] <jdh> lexan is polycarbonate?
[14:40:30] <ssi> jdh: ya
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[14:42:41] <ssi> I was getting a weird ghost line while cutting last night
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[14:43:00] <ssi> I think I accidentally dragged the nozzle across the bed frame; I wonder if I scraped the anodize off the nozzle and now I'm getting a reflection
[14:43:11] <jdh> with whom?
[14:43:32] <ssi> ?
[14:43:38] <jdh> nevermind.
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[14:55:01] <Loetmichel> ssi: nice!
[14:55:10] <ssi> Loetmichel: :)
[14:55:13] <ssi> motion is in good shape
[14:55:27] <ssi> now I just need to dial in focus heights and feedrates
[14:56:09] <Loetmichel> ssi: seen what i do ?
[14:56:18] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=15074
[14:56:26] <Loetmichel> ... the bit seems to be a bit dull ;-)
[14:56:53] <ssi> hahah
[14:56:57] <ssi> hard-machining?
[14:57:25] <Loetmichel> steel sheet metal
[14:57:30] <syyl_ws> even if we machine something abou 60rockwells we dont get such a nice firework ;)
[14:57:36] <Loetmichel> with a bit that has no teeth left ;-)
[14:57:42] <ssi> ahh so truly dull :)
[14:58:07] <Loetmichel> it glows no while "cutting"
[14:58:10] <Loetmichel> now
[14:58:53] <Loetmichel> and i bought only two of them on syyls reccomendation because "they last forever" at his company ;-)
[14:58:59] <ssi> ahaha
[14:59:03] <ssi> way to go, syyl
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[15:00:01] <syyl_ws> maybe to add that our "router" weights about 2 tons
[15:00:05] <syyl_ws> and has a real spindle
[15:00:10] <Loetmichel> seems a chinese cnc 6040 is a bit less rigid than his machines
[15:00:16] <ssi> aww
[15:00:26] <syyl_ws> ;)
[15:00:30] <Loetmichel> syyl: the spuindle is ok
[15:00:47] <Loetmichel> the lacking rigity will cost the bits i think
[15:01:22] <syyl_ws> every 1/100mm of runout on the tip of the endmill reduces its life in hard materials sigificant
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[15:02:24] <Loetmichel> i cant measure ANY runout on that spindle with a 1/10mm dial
[15:02:30] <Loetmichel> 1/100mm dial
[15:02:41] <syyl_ws> so its anything between zero and 3/100mm
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[15:02:55] <syyl_ws> :)
[15:03:05] <Loetmichel> but i can SEE the gantry flexing when the mill bit touches the steel
[15:03:18] <ssi> heheh
[15:03:18] <syyl_ws> thats not helping either
[15:03:37] <ssi> I was calibrating my axes yesterday and I could see a 0.003" deflection in an indicator when I leaned on the edge of the machine frame
[15:03:54] <Loetmichel> hrhr
[15:04:44] <syyl_ws> no problem to bend a real toolroom mill by leaning against it :)
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[15:05:06] <ssi> fortunately this isn't a mill :)
[15:05:19] <ssi> just need to hang a sign on it "please do not lean on machine whilst cutting"
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[15:05:51] <syyl_ws> :D
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[15:08:39] <ssi> wow, power density falls off FAST with longer lenses
[15:10:38] <Loetmichel> ssi: i can see the gantry flex half the 1.2mm milling width when cutting into steel
[15:10:47] <Loetmichel> that CANT be good for the tool ,-)
[15:11:06] <ssi> no, it can't :)
[15:11:26] <Loetmichel> i didnt meant to say syyl has recommended bullshit. just tat it doesent work as advertized for me
[15:11:45] <ssi> maybe you need a 2 ton router to go with it! :)
[15:11:51] <syyl_ws> as usual: your result may vary
[15:11:53] <syyl_ws> ;)
[15:12:19] <Loetmichel> maybe,. but the 2000Eur for this small cnc 6040 had cost me 3 years of persuation.
[15:12:24] <syyl_ws> at least we do toolroom work with that stuff ;)
[15:12:41] <ssi> persuading your sugar momma to buy it for you? :D
[15:12:42] <Loetmichel> do you tink my boss would be grateful that i ask him to order a 150keur machine?
[15:12:51] <Loetmichel> i am at the company
[15:13:17] <ssi> ahh
[15:13:41] <Loetmichel> on my home maschine the bit would have lasted longer
[15:13:47] <Loetmichel> it is much more rigid
[15:13:55] <Loetmichel> but way to small foor that work
[15:14:31] <Loetmichel> my home CNC can only move 110*200*110mm
[15:15:22] <Loetmichel> thats my home CNC
http://www.cyrom.org/palbum/main.php?g2_itemId=12811
[15:16:03] <ssi> ahh right
[15:16:13] <ssi> what is that machine?
[15:16:20] <ssi> is it something homebuilt? or a commercial machine, retrofit, or what
[15:16:43] <Loetmichel> it is build from scratch
[15:16:47] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14688
[15:16:54] <Loetmichel> thats the company one
[15:17:32] <ssi> the 6040 seems too expensive for what it is
[15:17:52] <ssi> I built a similar (but smaller) machine like four or five years ago
[15:18:03] <ssi> but I was never happy with the gantry travel; it rocks
[15:18:12] <ssi> I need to rebuild it with a fixed gantry and sliding table
[15:18:27] <Loetmichel> the home machine has issues, too
[15:18:28] <kb8wmc> good day to all, is there any problem with running a 4th axis in linear mode....X Y Z A ?
[15:18:28] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14034
[15:18:48] <ssi> kb8wmc: what are you using it for?
[15:18:54] <Loetmichel> degrading POM nuts in the table from swarf, for example ;-)
[15:18:57] <syyl_ws> and thats what we run as a router ;)
[15:18:58] <syyl_ws> https://dl.dropboxusercontent.com/u/24396704/QMTL2/IMAG0197.jpg
[15:18:58] <ssi> A wouldn't be the right terminology probably
[15:19:04] <kb8wmc> running a small nema motor
[15:19:06] <ssi> A is usually a rotational axis about X
[15:19:21] <ssi> U would be a linear axis parallel to X
[15:19:46] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14037 <- had to fix that switch lately, too ;-)
[15:19:48] <kb8wmc> hmmm
[15:20:05] <ssi> syyl_ws: nice way covers :)
[15:20:29] <kb8wmc> I realize it is usually angular, but can it be run linear?
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[15:21:06] <ssi> without telling me what you're trying to do, I have no idea how to answer that
[15:21:09] <ssi> the answer is probably "yes"
[15:21:19] <Connor> kb8wmc: Can be used any way you want.. it depends on the application.
[15:21:47] <syyl_ws> yeah ssi, i love the look of those too :D
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[15:22:25] <kb8wmc> ssi: I want to run a small nema 17 motor along with the 3 nema 23 motors
[15:22:43] <Loetmichel> ssi: the 6040 is a nice and cheap tool for its buildroom
[15:22:58] <Loetmichel> it just was never meant to do steel
[15:23:30] <Loetmichel> k8: the A axis is configured as a rotatioonal axis
[15:23:38] <Loetmichel> so it moves in ° rather than mm
[15:24:03] <ssi> kb8wmc: motors are rotational... can you see why I might be lacking information here? :)
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[15:28:19] <jsskangas> About TCP, does new version of linuxcnc has TCP implemented.
[15:28:36] <jsskangas> Im talking about G43.4 as fanuc code
[15:29:17] <jsskangas> I have found my self in situation where I need this TCP in non rotating table mode
[15:32:00] <jsskangas> I already have done kinematics for rotating table mode.
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[15:33:15] <jsskangas> this was fairly easy task, but non rotating table mode is different thing.
[15:33:22] <ssi> so what's the downside of using a beam expander?
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[15:33:40] <ssi> it seems like a beam expander is all win; smaller spot and taller DOF
[15:33:45] <ssi> but it can't possibly be all win
[15:33:50] <jsskangas> I have not yet find any logic behind this move
[15:35:43] <ssi> so according to calculator, if I have a 6mm 40W beam, and I focus it with a 50.8mm lens, I end up witha 114um spot at about 4kw/mm^2 power density
[15:35:56] <ssi> well, if I throw a 2x beam expander in there, and I have a 12mm beam entering the lens
[15:36:12] <ssi> suddenly I have a 57um spot with 16kw/mm^2 power density
[15:36:16] <ssi> that feels like creating energy to me :)
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[15:37:07] <ssi> oh I see, the dof gets cut down by a factor of 4
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[15:52:49] <kb8wmc> Loetmichel: ssi: I just tried the machine running the A axis as linear instead of angular...I changed the .ini file to accomplish this...the motor seems to be acting properly at this time, but I am going to experiment with for a while....thank you for your comments
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[16:27:45] <IchGuckLive> hi all B)
[16:28:24] <IchGuckLive> si well done to the laser setup
[16:28:26] <ktchk> hi what is up?
[16:28:55] <IchGuckLive> ktchk: for me its been a waiting for the big thunderstorm to arrive
[16:29:24] <ktchk> IchGuckLive: not for germany..haha
[16:30:16] <IchGuckLive> ssi: on the CRC diuscussion tonigt we got realy information on the wikipedia at CRC use
[16:32:59] <IchGuckLive> k6mle-CNC: how ist the 40ksteps mashine moving today
[16:34:18] <IchGuckLive> jsskangas: still on here
[16:38:15] <K6MLE> Hi Ich ... I haven't been out to the machine yet ... heading out there in just a few minutes ...
[16:38:45] <IchGuckLive> ;-)
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[16:48:11] <Loetmichel> ssi: DOF?
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[16:52:54] <pcw_home> Loetmichel: Depth Of Field probably
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[16:55:09] <Loetmichel> i.e: "cutting" depth?
[16:55:18] <SpeedEvil> Not quite
[16:55:20] <Loetmichel> or "focus range"?
[16:55:26] <SpeedEvil> Focus range is closer
[16:56:03] <SpeedEvil> If you have a parallel beam, and you focus it down into a spot, using a lens, then you get a point at which the LASER is focussed, andthen a cone before and after it where it widens out
[16:56:03] <Loetmichel> iirc lasers use a certain range around the focus pint for cutting
[16:56:13] <Loetmichel> if the dot gets to thick it wont cut
[16:56:24] <SpeedEvil> A higher depth of field means that this cone is narrower
[16:56:34] <SpeedEvil> But may mean that the spot isn't quite as tight
[16:56:34] <Loetmichel> so i understood it right
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[16:57:30] <Loetmichel> i think "useable focus range" gets the point
[16:57:51] <IchGuckLive> i got 3mm at the DVD laser diod on witch i can engrave
[16:58:00] <IchGuckLive> in Z hight
[16:58:22] <Loetmichel> and i was under the impression that a long focus on the last lens is better because the cone gets narrower
[16:58:24] <IchGuckLive> depending on the Wood it gets near 0.5mm
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[16:59:22] <IchGuckLive> indeed if you can get a focal of 16mm as most cheep lenses got you are able to pinpoint the best shot
[17:02:40] <Loetmichel> IchGuckLive: i have a 50mW 405nm laser at home... which i will use to make a pcb exposer
[17:03:15] <Loetmichel> imagine my surprise that even that little thing can makt black plastic when focussed "juuuust right"
[17:03:40] <IchGuckLive> agree
[17:03:42] <Loetmichel> ... the dot must be in the submicron range to get enough power per square
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[17:04:29] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14322 <- and its really tiny
[17:05:14] <IchGuckLive> i needed to get 4 DVD aligned at 200mW input eatch for engraving kambala
[17:06:23] <Loetmichel> s/makt/mark
[17:06:45] <kb8wmc> IchGuckLive: good day to you sir....
[17:06:53] <IchGuckLive> hi
[17:07:10] <IchGuckLive> michel are you in thunderstorm line todyay
[17:07:34] <IchGuckLive> kb8wmc: did you help your ham friend here around you
[17:08:13] <kb8wmc> don't know which one ICH, it looks like there are a couple HAM's in here now...
[17:08:36] <IchGuckLive> k6
[17:08:57] <kb8wmc> haven't chatted with him at all
[17:09:04] <kb8wmc> as far as I remember
[17:09:08] <IchGuckLive> ok
[17:09:38] <kb8wmc> how are you doing today ICH?
[17:10:05] <Loetmichel> IchGuckLive: here is no thunderstorm
[17:10:09] <Loetmichel> just a bit of rain
[17:10:20] <IchGuckLive> oh i got a hell biciycle ride as Thunderstorm came in and the hill startend to grow more then ever
[17:10:22] <Loetmichel> that cools the air juuust nice ;-)
[17:10:58] <IchGuckLive> kb8wmc: and it started to rain as 1il to go
[17:11:03] <IchGuckLive> mil
[17:11:18] <Loetmichel> ml
[17:11:21] <IchGuckLive> so i decided to get a little wet
[17:11:24] <kb8wmc> and the hills just get bigger
[17:11:55] <IchGuckLive> so record hillclimb today for me
[17:12:07] <kb8wmc> lol
[17:12:22] <Loetmichel> its only a strom if the wind lifts the bicycle with you on it
[17:12:23] <Loetmichel> ;-)
[17:12:25] <Loetmichel> storm
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[17:12:56] <kb8wmc> or trees start falling on you
[17:12:59] <Loetmichel> anything less is a "laues lüftchen"
[17:13:07] <IchGuckLive> O.O
[17:13:11] <Loetmichel> kb8wmc: right
[17:13:38] <IchGuckLive> only if you catch the firertrucks then its a nice storm ride
[17:14:04] <Loetmichel> i did my military time at the navvy, sailing around skagerrak and east sea
[17:14:14] <Loetmichel> THERE is bad weahter
[17:14:22] <kb8wmc> IchGuckLive: you need a electric powered quadracycle with enclosure
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[17:15:05] <kb8wmc> Loetmichel: is that in the North Sea area?
[17:15:11] <IchGuckLive> kb8wmc: i hope the Familie is geting me one at the 14th Aug
[17:15:11] <Loetmichel> 8 beaufort with gushes up to 12 is perfectly normal
[17:15:32] <Loetmichel> kb8wmc: skaggerak is where north and east sea meet
[17:15:37] <kb8wmc> IchGuckLive: you are fortunate
[17:15:48] <kb8wmc> Loetmichel: ah
[17:15:58] <IchGuckLive> fortun only dies at the future
[17:16:10] <IchGuckLive> in the
[17:16:25] <Loetmichel> https://www.google.de/maps/@58.1941134,9.5676423,8z?hl=de
[17:16:28] <Loetmichel> there
[17:16:31] <kb8wmc> tnx
[17:17:29] <Loetmichel> oh, i see... german "ostsee" is called baltic sea international.
[17:17:31] <Loetmichel> sorry ;-)
[17:17:32] <kb8wmc> Loetmichel: I imagine it does get very cold in that area
[17:18:07] <IchGuckLive> kb this year baltic is nicer then the soth
[17:18:12] <Loetmichel> it does sometimes. but surprisingly not that often
[17:18:46] <IchGuckLive> Ask Jesus alos he is in the Hot Spot
[17:19:15] <kb8wmc> how far south?
[17:20:14] <IchGuckLive> not that far but east of hills that frap all the cold stuff and clear view to the African desert to the south
[17:21:05] <IchGuckLive> he got hit last week at 48deg + Shadow place
[17:21:14] <kb8wmc> wow
[17:21:46] <kb8wmc> oh, that is 48C....
[17:21:49] <IchGuckLive> ive seen his shop temp messurerment at near 60deg on mashie side with open doors
[17:21:53] <kb8wmc> my mistake
[17:22:57] <kb8wmc> IchGuckLive: what part of Germany are you located?
[17:23:19] <IchGuckLive> Ramstein South west
[17:23:37] <IchGuckLive> http://www.wetter.com/wetter_aktuell/niederschlagsradar/deutschland/
[17:23:42] <kb8wmc> I bet we are near the same longitude
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[17:28:09] <IchGuckLive> 43 vs 49
[17:28:36] <IchGuckLive> are yoju living direct to the lake
[17:28:56] <k6mle-CNC> Hello ...
[17:29:02] <IchGuckLive> west of the airfiled
[17:29:11] <IchGuckLive> hi k6
[17:29:33] <k6mle-CNC> Hi Ich ...
[17:29:43] <IchGuckLive> and how is the Z
[17:30:01] <k6mle-CNC> Still have a slow ramp up/down on the Z ... need to lessen the ramp ...
[17:30:42] <IchGuckLive> a faster ramp will shure grap all your left force on the G factor
[17:30:42] <Loetmichel> k6mle-CNC: heavy z?
[17:30:55] <kb8wmc> K6MLE: .... ..
[17:30:59] <Loetmichel> or weak stepper?
[17:31:02] <IchGuckLive> Loetmichel: no 40000 steps per 25mm
[17:31:04] <k6mle-CNC> Loet: not compared to what most of you are running with!
[17:31:11] <k6mle-CNC> New stepper ...
[17:31:38] <Loetmichel> do you have a pic and data?
[17:31:39] <k6mle-CNC> Step Scale currently at 40000
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[17:31:53] <k6mle-CNC> Loet: Mill is an old MAXNC-10
[17:31:54] <IchGuckLive> Loetmichel: he got direct drive at Gecko 10x at 20TPI
[17:32:10] <Loetmichel> 1580 steps per mm?
[17:32:14] <Loetmichel> thats WAY to much
[17:32:32] <IchGuckLive> he looses all the force on steprate
[17:32:45] <IchGuckLive> the gecko has no Halfstepping
[17:32:55] <Loetmichel> hmm, it hasnt?
[17:33:03] <IchGuckLive> it is fixed at 200*10*20
[17:33:05] <skunkworks> stuck at X10
[17:33:16] <Loetmichel> whats the smalles microstepping you can adjust?
[17:33:22] <Loetmichel> oh shit
[17:33:42] <IchGuckLive> ON all Gecko pages and PDF there is a SIGN use 4:1 Gear no Direct drive to Steppers
[17:33:45] <Loetmichel> so ite really 158 steps per mm?
[17:34:06] <IchGuckLive> woudt be good if
[17:34:10] <IchGuckLive> 1580
[17:34:11] <Loetmichel> for a "full step drive"?
[17:34:47] <IchGuckLive> XY is ok but the G on the z makes it whorse
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[17:35:11] <k6mle-CNC> I was looking in the G540 User Manual for the info on microstepping, but don't quite find it ...
[17:35:13] <IchGuckLive> the 5i25 can handle that rate
[17:36:17] <k6mle-CNC> Can I just change this and lessen the ramp: STEP_SCALE = 40000.0
[17:36:26] <IchGuckLive> k6 your old TB6560 woudt be the better choice as the gecko
[17:36:39] <k6mle-CNC> Ich ... I don'
[17:36:49] <IchGuckLive> ok
[17:36:55] <Loetmichel> no it wouldnt
[17:36:57] <IchGuckLive> so improve timing on Z
[17:37:01] <k6mle-CNC> t have a power supply that's good enough for it ...
[17:37:11] <IchGuckLive> and then acceleration
[17:37:11] <pcw_home> The Gecko is far better than any Toshiba chip
[17:37:17] <Loetmichel> right
[17:37:44] <IchGuckLive> pcw_home: dont agree at SCALE 40000
[17:38:00] <Loetmichel> and hence the steppers are effectively only doing 4000 steps per " its a nice scale
[17:38:04] <pcw_home> scale is irreleveant
[17:38:09] <k6mle-CNC> How to improve the timing ... remembering I'm not a machinist ... just play one here at the office on occasion!
[17:38:13] <IchGuckLive> TB woudt be 4000 at 5i25 the better choice
[17:38:32] <Loetmichel> the microsteps are good for smoothing it, but have no effect on stepper speed whatsoever
[17:39:04] <pcw_home> the Toshibas have no antiresonance as are basically bottom of the barrel
[17:39:22] <Loetmichel> as i am a lpt port guy: no idea how to change the timing with a 525I
[17:39:28] <IchGuckLive> k6mle-CNC: DIRSETUP = 10000
[17:39:35] <IchGuckLive> DIRHOLD = 10000
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[17:39:42] <IchGuckLive> STEPLEN = 5000
[17:39:47] <IchGuckLive> STEPSPACE = 5000
[17:39:55] <pcw_home> the 5I25 will cheerful generate 8MHz step rates
[17:40:17] <k6mle-CNC> Ich: let me plug those numbers in and give it a try ...
[17:40:32] <IchGuckLive> MAX_VELOCITY = 1.333333
[17:40:42] <IchGuckLive> MAX_ACCELERATION = 3.0
[17:41:00] <IchGuckLive> STEPGEN_MAXVEL = 2.0
[17:41:11] <IchGuckLive> STEPGEN_MAXACCEL = 4.0
[17:41:17] <IchGuckLive> that shoudt work
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[17:41:47] <k6mle-CNC> I will let you know in a moment ...
[17:41:54] <IchGuckLive> pcw_home: agree but how match force does a stepper have at that acceleration
[17:43:53] <k6mle-CNC> Ich: that helped the ramp problem ... still have a direction change issue ... not always responding to the change in direction.
[17:44:13] <k6mle-CNC> I need some limit switches!
[17:44:15] <IchGuckLive> DIRSETUP = 40000
[17:44:25] <IchGuckLive> DIRHOLD = 5000
[17:44:31] <IchGuckLive> only on Z
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[17:45:05] <IchGuckLive> pcw_home: agree but how match force does a stepper have at that acceleration
[17:45:08] <k6mle-CNC> okay ... trying those only on Z
[17:45:18] <IchGuckLive> yes
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[17:45:23] <IchGuckLive> keep the rest
[17:46:51] <pcw_home> Is the 5I25 connected directly to the Gecko?
[17:46:57] <IchGuckLive> yes
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[17:48:25] <IchGuckLive> he orderd from mesa with parport firmware ready to plug
[17:49:20] <pcw_home> So you dont need long step/dir setup or hold times, 2.5 usec (2500 )is fine
[17:49:22] <pcw_home> failure to change direction probably means you have a mechanical issue or too fast
[17:49:23] <pcw_home> acceleration
[17:49:46] <k6mle-CNC> I'm back to the long ramp up/down ...
[17:49:51] <IchGuckLive> Fully Agree
[17:50:45] <IchGuckLive> pcw_home: its Gecko direct to 200Steps at 20TPI
[17:51:02] <IchGuckLive> so where shoudt the force came from at that numbers
[17:51:32] <pcw_home> 2000 steps/turn so 40000 steps/inch
[17:51:43] <IchGuckLive> k6mle-CNC: what Speed did you check
[17:52:00] <IchGuckLive> pcw_home: right
[17:52:27] <IchGuckLive> 30 ipm
[17:52:35] <k6mle-CNC> Jog speed?
[17:52:42] <IchGuckLive> yes
[17:52:53] <k6mle-CNC> The jog speed slider is at 15 in/min...
[17:53:09] <IchGuckLive> and still bad ramp
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[17:53:26] <k6mle-CNC> right now the ramp is too long, yes ..
[17:53:42] <IchGuckLive> Dir issue still on at that numbers
[17:54:05] <k6mle-CNC> yes, DIR still a problem ... even when just jogging and not running gcode ...
[17:54:48] <IchGuckLive> so its yust your mechanical probvelem the electronic si not able to solve
[17:55:12] <pcw_home> maybe not enough torque for the acceleration you are asking for
[17:55:24] <IchGuckLive> :-)
[17:55:39] <pcw_home> or mechanical (leadscrew) probles
[17:55:45] <k6mle-CNC> pcw: can that be overcome with the 'right' numbers?
[17:55:51] <IchGuckLive> 4TPI woudt be perfect
[17:55:59] <k6mle-CNC> all 3 axes are direct drive 20 TPI ...
[17:56:57] <k6mle-CNC> X & Y seem to be just fine with what they're set at ...
[17:57:06] <IchGuckLive> K6 cand you get ypour CHief a leadshine MX3660
[17:57:18] <IchGuckLive> that woudt do your deal
[17:57:35] <IchGuckLive> insted of the Gecko
[17:57:46] <k6mle-CNC> my boss wants this to work ... that's what I have to deal with at the moment ...
[17:58:04] <IchGuckLive> so lets try the lowest posible
[17:58:07] <k6mle-CNC> he doesn't like me throwing 'good money after bad' ...
[17:58:09] <pcw_home> Other than acceleration settings I dont think theres any setting in LInuxcnc that is going to help
[17:58:47] <IchGuckLive> MAX_VELOCITY = 0.08
[17:59:01] <IchGuckLive> MAX_ACCELERATION = 1.0
[17:59:15] <IchGuckLive> STEPGEN_MAXVEL = 0.15
[17:59:30] <IchGuckLive> STEPGEN_MAXACCEL = 1.5.0
[17:59:33] <IchGuckLive> STEPGEN_MAXACCEL = 1.5
[18:00:16] <IchGuckLive> this will limit the z to 5IPM first hand
[18:00:19] <k6mle-CNC> DIRSETUP = 40000?
[18:00:25] <IchGuckLive> keep it
[18:00:35] <k6mle-CNC> okay
[18:00:37] <pcw_home> dirsetup 2500 should be fine
[18:00:59] <pcw_home> look up the G540 specs 40000 is crazy long
[18:01:24] <IchGuckLive> lets wait till stepeprs gain backward force
[18:01:34] <pcw_home> NO!
[18:01:38] <IchGuckLive> ok
[18:02:08] <pcw_home> trying to do this with the electrical timing is just wrong
[18:02:11] <IchGuckLive> k6mle-CNC: DIRSETUP = 2500 Requirerd
[18:02:15] <k6mle-CNC> okay ... so I'll go with the above changes and set DIRSETUP to 2500 ...
[18:02:38] <IchGuckLive> DIRHOLD = 2500
[18:03:05] <IchGuckLive> pcw_home: i know but he is not reponding to ALL of US at any Time
[18:03:19] <k6mle-CNC> steplen and stepspace are at 5000 ... leave them?
[18:03:58] <IchGuckLive> go back to 1500
[18:04:01] <pcw_home> thats fasts enough
[18:04:03] <IchGuckLive> both
[18:04:22] <IchGuckLive> Gecko require 700
[18:05:53] <pcw_home> G540 is 1 usec step and 2 usec space _minimum_
[18:05:54] <pcw_home> I would add a usec each for margin so steplen 2000 stepspace 3000
[18:06:05] <k6mle-CNC> with the above numbers, the Z is not moving ...
[18:06:37] <IchGuckLive> get the pcw numbers
[18:06:55] <k6mle-CNC> will go with 2000 & 3000
[18:07:02] <pcw_home> (these numbers are assuming you have the G540 connected directly to the 5I25)
[18:07:21] <IchGuckLive> within 3feet
[18:07:22] <k6mle-CNC> pcw: that connection is correct ...
[18:07:36] <Loetmichel> i have seen some REEAAALLY slow optos in breakouut boards...
[18:07:45] <k6mle-CNC> I might have a 5 foot carallel cable ...
[18:08:04] <pcw_home> shouldn't matter
[18:08:41] <k6mle-CNC> giving it another try ...
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[18:09:26] <k6mle-CNC> Still no movement on that axis ... just sort of hums ...
[18:10:07] <IchGuckLive> itrs only at 5IPM keep in mind
[18:10:20] <IchGuckLive> is it moving or not
[18:10:34] <k6mle-CNC> Ich ... I can see that the leadscrew is not turning ...
[18:10:42] <Loetmichel> hmmm
[18:11:01] <IchGuckLive> ok go up with the DIRSETUP =
[18:11:10] <Loetmichel> you sure you have no opto isolators between the 5i25 and the gecko?
[18:11:32] <k6mle-CNC> Loet: 5i25 to Gecko is direct.
[18:11:47] <pcw_home> The Gecko has them but their specs take these into account
[18:11:50] <IchGuckLive> the timing is your main target now
[18:12:08] <IchGuckLive> pcw at more as i said it works
[18:12:14] <Loetmichel> k6mle-CNC: ok
[18:12:19] <Loetmichel> pcw_home: i know
[18:12:23] <IchGuckLive> steplen and stepspace are at 5000
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[18:12:39] <Loetmichel> that doesent rule out a breakout pcb wiht a second set of optos
[18:12:41] <IchGuckLive> DIRSETUP = 20000
[18:12:42] <k6mle-CNC> they are currently at 2500
[18:12:52] <IchGuckLive> go up
[18:13:04] <IchGuckLive> in 500 til lthe mashine moves
[18:13:21] <k6mle-CNC> by 500 increments on both?
[18:13:44] <IchGuckLive> yes
[18:13:58] <k6mle-CNC> okay ... trying 3000 ...
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[18:14:49] <k6mle-CNC> going to 3500
[18:14:55] <IchGuckLive> you kow the Z moved at STEPLEN = 5000 STEPSPACE = 5000 DIRHOLD = 5000 DIRSETUP = 40000 so somwhere in this it shoudt start to move
[18:15:54] <k6mle-CNC> going to 4000
[18:15:59] <pcw_home> Gecko specs 200 ns dir setup and hold
[18:16:29] <pcw_home> its very unlikely that this is the issue
[18:16:31] <IchGuckLive> MAX_VELOCITY = 0.10
[18:16:39] <Loetmichel> hmm
[18:16:42] <IchGuckLive> pcw- we all kow
[18:17:05] <Loetmichel> on a PC plt port instad of the 5i25 i would suggest a weak pin driver
[18:17:12] <k6mle-CNC> didn't like it at 4000 ...
[18:17:21] <Loetmichel> but i suppose that cant happen on a 5i25?
[18:17:23] <IchGuckLive> i got on all 200 + mashines i build a scale at 100 or lower
[18:17:50] <IchGuckLive> ok im off BYE
[18:17:58] <k6mle-CNC> thanks Ich ...
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[18:18:01] <pcw_home> 5i25 has 24 Ma drive but only 3.3V outputs
[18:18:01] <kb8wmc> bye ich
[18:18:12] <Loetmichel> K6MLE: how do you supply the PC for the maschine?
[18:18:27] <Loetmichel> same socket/powerstrip as the machine?
[18:18:46] <k6mle-CNC> Loet: yes ... it's on a big plug strip ...
[18:18:52] <Loetmichel> (maybe its graound fu**
[18:18:57] <Loetmichel> ground
[18:19:05] <k6mle-CNC> with ground ...
[18:19:16] <Loetmichel> do you have a multimeter handy?
[18:19:30] <k6mle-CNC> I can step to my office and get one ...
[18:19:36] <k6mle-CNC> what to check?
[18:19:48] <Loetmichel> can you check the voltage between the screws on the gecko and the screws of the PC?
[18:19:56] <Loetmichel> on ac AND dc?
[18:20:23] <k6mle-CNC> The power supply is providing the G540 with 45 volts ...
[18:20:27] <Loetmichel> should both be near zero, max a few 100mV
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[18:20:57] <Loetmichel> K6MLE: i meant: can you check the ground levels
[18:20:58] <k6mle-CNC> I can check those ... let me grab the DVM ... BRB
[18:21:06] <Loetmichel> bwtween the gecko and the PC
[18:21:15] <k6mle-CNC> Oh! ... yes ...
[18:21:22] <k6mle-CNC> brb
[18:23:07] <k6mle-CNC> okay ... got a Fluke DVM ...
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[18:24:18] <k6mle-CNC> I have .76 volts AC between PC and G540 ...
[18:24:39] <skunkworks> wow
[18:25:14] <k6mle-CNC> measuring from chassis to chassis ...
[18:25:17] <pcw_home> should be OK if that from PC to step motor side of Gecko (since they are isolated)
[18:26:11] <Loetmichel> less than 1V is very ok
[18:26:22] <k6mle-CNC> whew!
[18:26:30] <Loetmichel> was just an idea to check
[18:26:46] <k6mle-CNC> yeah ... I know ground loops can be a bitch!
[18:26:49] <Loetmichel> i have had problems with common mode EMI cause of that
[18:27:06] <archivist> at this stage I scope the signals both sides of the opto IN the driver
[18:27:16] <Loetmichel> archivist: me too
[18:27:33] <Loetmichel> but i doubt k6mle-CNC has a oscilloscope
[18:27:44] <Loetmichel> ... AND knows how to use it
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[18:27:46] <archivist> invalidating any seals :)
[18:28:03] <Loetmichel> archivist: not neccessarily
[18:28:08] <archivist> I think he does have a scope iirc
[18:28:17] <Loetmichel> one can open the subD plug covers
[18:28:28] <k6mle-CNC> I have a scope ... and hold an extra class ham license ... been doing electronics design for 30 years ...
[18:28:35] <Loetmichel> you cant get to the opto OUt side though
[18:28:53] <k6mle-CNC> this has just been a bear for me to figure out from the machinist standpoint!
[18:28:55] <Loetmichel> k6mle-CNC: then: use it! ;-)
[18:29:26] <k6mle-CNC> Loet: what am I looking at with the scope?
[18:29:26] <Loetmichel> ah, btw: you have triople checked that the stepper current is set correctly?
[18:29:40] <jdh> and no loose wires
[18:29:46] <k6mle-CNC> Stepper current set with a 2.7K resistor ...
[18:29:59] <k6mle-CNC> they are 2.8 amps/phase motors ...
[18:30:04] <Loetmichel> you SHOULD see a nice rectangular signal when moving to one side at constant speed
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[18:30:22] <Loetmichel> on the IN of the opto AND on the out
[18:30:27] <k6mle-CNC> Loet: watching the stepper output?
[18:30:39] <Loetmichel> no, on the inputs of the gecko
[18:30:45] <k6mle-CNC> ah
[18:31:07] <Loetmichel> the stepper out will be PWM signal, looking a bit like a very fast phase angle cutoff
[18:31:12] <k6mle-CNC> that will show me that I have a clean signal coming from the 5i25 ...
[18:31:16] <Loetmichel> "dimemr"
[18:31:19] <Loetmichel> "dimmer"
[18:31:36] <Loetmichel> dont know the english word for that
[18:31:39] <k6mle-CNC> yep ... familiar with PWM ...
[18:31:55] <jdh> the problem persists from p-port to 5i25 and on multiple axes?
[18:32:04] <Loetmichel> pwm on a big inductance looks a bit funny though
[18:32:11] <k6mle-CNC> jdh: only a problem on the Z
[18:32:19] <jdh> x and y got better?
[18:32:30] <k6mle-CNC> X & Y look beautiful!
[18:32:36] <jdh> what did you do for them?
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[18:33:03] <k6mle-CNC> I fed them properly and played them some of their favorite music!! ;)
[18:33:27] <jdh> are you using all 4 drivers?
[18:33:56] <k6mle-CNC> seriously ... the X & Y have been good for the last few days of experimenting ... only using 3 drivers
[18:34:09] <k6mle-CNC> X, Y & Z
[18:34:22] <jdh> have you tried Z on the other driver?
[18:34:45] <jdh> or x or y motors on the Z driver?
[18:34:46] <k6mle-CNC> jdh: yes ... that was one of the first things I tried ...
[18:35:20] <k6mle-CNC> It seems to be a matter of fine tuning the different mechanical load of the Z, when compared to the X & Y ...
[18:35:39] <k6mle-CNC> not tuning the load, but compensating for it ...
[18:36:24] <pcw_home> all you have for that is the Z axsi acceleration settings
[18:37:02] <k6mle-CNC> would posting my INI file be any help?
[18:38:34] <Loetmichel> i dont think so
[18:38:53] <Loetmichel> the only thing i can think of is that your stepper is done for
[18:39:18] <Loetmichel> maybe it got to hot and has loosed magnet power?
[18:39:26] <k6mle-CNC> the motor itself?
[18:39:27] <jdh> or a bad wire :)
[18:39:46] <Loetmichel> jdh: or that, right
[18:40:06] <k6mle-CNC> I can change them around and see if a different motor in that position changes the situation ...
[18:40:17] <k6mle-CNC> http://pastebin.com/9CnPaC6S
[18:40:20] <k6mle-CNC> that's the INI
[18:40:42] <Loetmichel> if thats easy i would check that
[18:41:21] <k6mle-CNC> Okay ... I'll swap the Z for the X and see how it 'plays' ...
[18:41:21] <Loetmichel> ah, btw: did you try to turn the motor unpugged by hand?
[18:41:31] <k6mle-CNC> it will take a few minutes ...
[18:41:35] <Loetmichel> any rough spots there?
[18:42:09] <k6mle-CNC> I don't have a crank on the motors, but haven't felt anything odd when turning with my fingers ...
[18:42:38] <Loetmichel> i menant: mounted inside the z axis
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[18:42:52] <Loetmichel> so you chek the alingmet and the ballsrew also
[18:43:01] <k6mle-CNC> Just a thought ... should I expect the motor to behave if I just put it on the bench and not mechanically connected to anything?
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[18:45:42] <Loetmichel> yes
[18:46:08] <Loetmichel> if it is not working there it is something in the motor/driver
[18:46:14] <k6mle-CNC> Just tried the motor on the bench ... sits there and vibrates with the current settings ....
[18:46:38] <Loetmichel> so you have another motor that you can use there?
[18:46:43] <k6mle-CNC> Shall I change the settings in the INI to match X & Y?
[18:47:00] <Loetmichel> try
[18:47:10] <Loetmichel> but i doubt that it will work then
[18:47:21] <k6mle-CNC> I don't have an extra motor at present ... that'd be too easy ! ;)
[18:47:39] <k6mle-CNC> I'll change the settings to match X ...
[18:47:39] <Loetmichel> so use the x or y motor for a test
[18:47:47] <Loetmichel> if they are similar
[18:48:10] <Loetmichel> do you have a pic of your machine?
[18:48:24] <Loetmichel> so i know aboult which category we are taling about?
[18:48:42] <k6mle-CNC> I can post one ... It's a MAXNC 10 ... it's on the web ...
[18:48:53] <Loetmichel> googling now
[18:48:57] <k6mle-CNC> it's a little thing.
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[18:49:51] <Loetmichel> ha, thats exactly the size of mine
[18:50:10] <k6mle-CNC> :)
[18:50:20] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12811
[18:50:47] <k6mle-CNC> this might even be smaller than yours!
[18:51:04] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14040
[18:51:19] <Loetmichel> no, that machine is 200 by 110 by 110mm travel
[18:51:25] <Loetmichel> yours is a BIT bigger
[18:51:36] <k6mle-CNC> I'm going to back up my current INI file and change Z to match X ... just to see if the motor behaves any differently ...
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[18:53:03] <Loetmichel> btw: i use 1 amp motors on mine
[18:53:09] <Loetmichel> and that works fine
[18:53:19] <skunkworks> where do you have the current liminting resistor?
[18:53:46] <k6mle-CNC> skunk: the resistor is at the DB9
[18:54:03] <skunkworks> at the 540?
[18:54:32] <k6mle-CNC> at the 540
[18:54:53] <k6mle-CNC> Just tried the X settings on the Z motor and it runs just fine ...
[18:54:54] <skunkworks> ok (I have read that some have put it at the motor end.. that didn't work so well)
[18:55:46] <k6mle-CNC> I have 6-positiion molex connectors at the motor end ...
[18:55:51] <Loetmichel> https://www.youtube.com/watch?v=QNLjMg0Nitk <- mine is working fine with 1A steppers
[18:56:10] <Loetmichel> so i would be surprised if yours shouldn run with 3A steppers....
[18:56:35] <k6mle-CNC> so this appears to be bringing me back to finding the 'sweet' settings for the Z axis ...
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[18:57:02] <Loetmichel> (acrylic is messy to mill though)
[18:57:23] <k6mle-CNC> all they mill here, so far, is plastic ...
[18:57:57] <k6mle-CNC> and the cavities made from MDF to hold the plastic ...
[18:58:01] <Loetmichel> mine does aluminium and even steel (last not SO well, though)
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[18:59:05] <Loetmichel> https://www.youtube.com/watch?v=jzOtqYhpHIM <- alu (loud)
[18:59:45] <k6mle-CNC> it certainly appears to be a mechanical loading issue that wants different settings on Z than on X & Y ... I suppose this is normal?
[19:00:06] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=11816 <- steeel
[19:00:12] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=11828
[19:00:27] <Loetmichel> to a certain degree it is normal. but not that much
[19:00:43] <Loetmichel> i can move x and y up to 50mm/s
[19:00:45] <k6mle-CNC> Don't have this box set up for flash ...
[19:00:54] <Loetmichel> and z up to 30mm/s
[19:01:04] <Loetmichel> but on same acceleration
[19:01:34] <k6mle-CNC> so you only backed off on the velocity for Z?
[19:01:41] <Loetmichel> had to
[19:01:51] <k6mle-CNC> makes sense ...
[19:01:58] <Loetmichel> because it got stuck if i drove faster (up)
[19:02:30] <Loetmichel> i backed up far down
[19:02:43] <Loetmichel> the 50mm/30mm was the fastest speed i got
[19:02:53] <Loetmichel> i dialed it down for reliability
[19:03:03] <Loetmichel> cant really remember how far, though
[19:03:16] <k6mle-CNC> well ... I suppose I could start making small adjustments in my Z (from the current X settings) and see how I can improve the Z movement ...
[19:03:19] <Loetmichel> i can start my cnc pc and look, though
[19:03:27] <Loetmichel> if you want me to
[19:03:43] <k6mle-CNC> I've never been one to turn away help!! :)
[19:03:48] <Loetmichel> didnt you use the stepgen wizard?
[19:03:58] <Loetmichel> just a moment
[19:04:04] <Loetmichel> have to start the machine
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[19:04:37] <k6mle-CNC> I was using that before I got the 5i25 ... then went with the pncconf wizard to get where I am now .
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[19:12:19] <Loetmichel> k6mle-CNC:
http://pastebin.com/WPPktXaG <- thats in mm, not inch!
[19:13:22] <k6mle-CNC> Okay ... I see you did back it off a bit ...
[19:13:50] <Loetmichel> http://pastebin.com/Ln1ZmA6A
[19:13:56] <Loetmichel> the .hal
[19:14:38] <k6mle-CNC> I don't see a STEPGEN_MAXVEL
[19:15:31] <Loetmichel> hmmm
[19:17:37] <Loetmichel> no idea
[19:18:01] <Loetmichel> seems stepconf wizard doesnt generate tat
[19:18:03] <Loetmichel> that
[19:18:26] <k6mle-CNC> it appears you only needed to back off the MAX_VELOCITY by 5 from the Y axis, to have it play nicely!
[19:18:40] <Loetmichel> right
[19:18:48] <k6mle-CNC> ah ... you're not using a 5i25?
[19:19:02] <Loetmichel> <- lptportguy ;-)
[19:19:14] <k6mle-CNC> got it ...
[19:19:44] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12808 <- whole electronics
[19:19:45] <k6mle-CNC> pncconf is required for the 5i25 ...
[19:20:15] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12265 <- cnc PC
[19:20:23] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12247
[19:20:28] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12250
[19:20:56] <Loetmichel> (was a bit messy to press that core2 duo industrial board into that old 80286 pizzabox ;-)
[19:21:12] <k6mle-CNC> That looks more complicated than this setup!
[19:21:45] <Loetmichel> ... and has a certain "howl" to it because of the u1 psu
[19:21:54] <k6mle-CNC> 80286 ... now there's some hardware!! :)
[19:22:33] <Loetmichel> its just the enclosure of a 80286
[19:22:58] <k6mle-CNC> Am I correct in assuming the changes required are only in the INI and only having to do with velocity?
[19:23:03] <Loetmichel> because as you can see here i have no room to spare under the mill:
http://www.cyrom.org/palbum/main.php?g2_itemId=12569
[19:23:17] <Loetmichel> for me: yes
[19:23:55] <k6mle-CNC> I see your space appears cramped!
[19:24:05] <Loetmichel> ... a bit
[19:24:20] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=9033&g2_imageViewsIndex=2
[19:24:22] <k6mle-CNC> I don't have that problem, luckily!
[19:24:22] <Loetmichel> :-)
[19:24:29] <Loetmichel> <- messy guy
[19:25:08] <k6mle-CNC> That's what my wife says about my 'hobby' room in my downstairs!
[19:25:46] <Loetmichel> show her that pic and she will agree that you are not SO bad at all ;)
[19:25:48] <k6mle-CNC> I do manage to pack a lot of stuff into 800 square feet!
[19:26:18] <Loetmichel> i have 130 sq ft
[19:26:23] <Loetmichel> thats all
[19:26:40] <k6mle-CNC> I have two model railroad layouts (one for my grandson), a ham radio bench, 5 computers and an electronics bench ...
[19:26:59] <Loetmichel> you have seen my entire workshop
[19:27:03] <k6mle-CNC> she calls it my 'dungeon'!
[19:27:08] <Loetmichel> in the panorama above
[19:27:52] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14853 <- the "workstation/gaming corner"
[19:28:14] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=2877 <- te electrnics workbench
[19:28:47] <k6mle-CNC> my wife should NOT complain!!
[19:29:05] <k6mle-CNC> at least I'm not our in the bars!
[19:29:10] <k6mle-CNC> out
[19:29:10] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12727 <- a bit more cleaned up desk
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[19:30:06] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=144 and in the middle of the room inderneath al that crap is a workbench/table somewhere ;-)
[19:30:10] <k6mle-CNC> Looks like a productive place!!
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[19:30:39] <k6mle-CNC> PCB manufacture?
[19:30:52] <Loetmichel> yeak, made some pcbs fro a friend
[19:30:54] <Loetmichel> for
[19:31:23] <k6mle-CNC> I used to do that, but now just send away and have it done ... it forces me to be more exact!
[19:31:57] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=146 <- some letter(paper) sized pcb for a tube amplifier
[19:32:48] <k6mle-CNC> my next project is an add-on for the Raspberry Pi ... expanding my weather station ...
[19:32:52] <Loetmichel> now i mill the pcbs i need
[19:33:13] <k6mle-CNC> must use a pretty small bit?
[19:33:14] <Loetmichel> or i send them to the pcb company if i need more than one of the same
[19:33:39] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14507 <- quite small
[19:33:52] <Loetmichel> https://www.youtube.com/watch?v=jMXxjT4nNxg
[19:34:05] <Loetmichel> ah, you cant see youtube on that machine, can you?
[19:35:15] <k6mle-CNC> no ... need flash installed here, but been too busy with the stepper problems!
[19:35:23] <k6mle-CNC> I use these folks:
http://www.expresspcb.com/
[19:35:43] <Loetmichel> i can do the PCBs i need on company account
[19:35:54] <Loetmichel> at a local pcb fab
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[19:36:42] <Loetmichel> ah, you are in california?
[19:37:10] <k6mle-CNC> yes ... if you google my call (K6MLE) you should find my weather station data ...
[19:37:40] <Loetmichel> i did
[19:37:47] <Loetmichel> thats why i know it ;-)
[19:38:30] <Loetmichel> <- germany, near frankfurt am main
[19:39:06] <Loetmichel> so no "i'll visit you and sort that problem out for you", sorry
[19:39:27] <k6mle-CNC> Ah ... only visited Germany once, while on business ... went to the Cebit expo at Hanover
[19:39:46] <k6mle-CNC> Ha!
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[19:41:25] <k6mle-CNC> I should go grab some lunch soon ... I suppose I'll continue to play with the accel and velocity numbers on the Z ...
[19:41:44] <Loetmichel> i mean: if you happen to have a personal b2 bomber yu can pick me up and i will be glad to help you in person ;-)
[19:41:57] <k6mle-CNC> if only!
[19:42:23] <Loetmichel> concorde would do, also ;-)
[19:42:35] <k6mle-CNC> I think the closest people to me on this chat are probably at Gecko ...
[19:42:58] <k6mle-CNC> That's a 1.5 hour flight ...
[19:43:41] <Loetmichel> so its "around the corner"
[19:44:10] <Loetmichel> ... i managed to visit a friend 200km away by car... just to grab a beer with him.
[19:44:20] <Loetmichel> one, because i had to drive back
[19:44:23] <Loetmichel> ;-)
[19:44:38] <k6mle-CNC> that's quite a way to travel for a beer!
[19:44:56] <Loetmichel> in germany: its about 1.5 hours one way
[19:45:17] <Loetmichel> you can do it in less but would overstep speed limits then ;)
[19:45:23] <k6mle-CNC> I prefer just a walk to the cooler, except you miss the friendly chat !
[19:45:40] <Loetmichel> right
[19:45:56] <k6mle-CNC> I'm about 2 hours from San Francisco (to my work) ... 3 hours to my house ...
[19:46:20] <Loetmichel> had to "floor it" on the car anyways so the diesel filter can burn clear
[19:46:29] <Loetmichel> i do too much city traffic with it
[19:46:42] <Loetmichel> exhaust particle filter
[19:47:23] <k6mle-CNC> a little fast driving to clean out the 'pipes' ...
[19:48:07] <Loetmichel> and i like driving around at night on empty autobahns with 130 mph logged into the cruise control ;-)
[19:48:37] <k6mle-CNC> can't get away with that in very many places here !
[19:48:47] <Loetmichel> its allowed here
[19:49:05] <Loetmichel> on certain strips of autobahn, not everywhere
[19:49:11] <Loetmichel> but still.. ;-)
[19:49:14] <k6mle-CNC> Ah ...
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[19:49:40] <k6mle-CNC> we call that "flying low" ... :)
[19:49:46] <Loetmichel> we too
[19:49:48] <Loetmichel> ;-)
[19:50:01] <Loetmichel> we call it "flightlevel zero"
[19:50:15] <k6mle-CNC> heh
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[19:50:42] <Loetmichel> my wife drives a brandnew BMW x1
[19:50:57] <k6mle-CNC> i have a Prius!
[19:51:05] <Loetmichel> which easily reaches 150mph ...
[19:51:12] <ssi> k6mle-CNC: of course you do ;)
[19:51:16] <k6mle-CNC> and a pickup to pull our trailer ...
[19:51:59] <Loetmichel> she once picked up her american boss from the airport and drove him to the german company...
[19:52:00] <k6mle-CNC> The Prius would need a tail-wind and a long down-hill to get even close to those speeds!
[19:52:33] <Loetmichel> so they were on the autobahn... and he said "german autobahn, i heard of that... so show me what that little car can do!"
[19:52:37] <k6mle-CNC> did the boss need to change his pants?
[19:52:39] <Loetmichel> ... so she floored it.
[19:53:33] <Loetmichel> half an hour drive at 150mph later (in thick traffic) she looks right to see her boss sitting there both hands on the overhead handle and white as a bedheet ;-)
[19:53:48] <Loetmichel> ... biting his lips not to scream ;-)
[19:53:59] <k6mle-CNC> That will teach him to ask such silly questions!
[19:54:24] <Loetmichel> she didnt notice it... its her normal modus operandi in a car ;-)
[19:55:13] <k6mle-CNC> Lucky, he didn't stain the passenger seat!
[19:55:25] <Loetmichel> luckily ;-)
[19:56:18] <Loetmichel> one has to say: 150mph in that little car feels MUCH faster than the 130mph my bigger Omega does
[19:56:41] <Loetmichel> because of the short wheelbase and hard springs
[19:56:55] <k6mle-CNC> Might have to do with being closer to the ground ...
[19:56:55] <Loetmichel> s/springs/dampeners
[19:57:14] <Loetmichel> no, its higher up
[19:57:21] <Loetmichel> the X1 is a mini suv
[19:57:52] <k6mle-CNC> you should get a CD of jet sounds to play for visiting guests who want a ride!
[19:58:29] <Loetmichel> no need for that
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[19:58:41] <Loetmichel> german guests know that feeling
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[19:58:58] <k6mle-CNC> I was thinking of the guests from across the pond ...
[19:58:59] <Loetmichel> because they are used to "fast" driving
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[19:59:20] <Loetmichel> that happens only every so foten
[19:59:21] <Loetmichel> often
[20:00:03] <Loetmichel> i have to say: chatting with a laptop at 100++mph is a BIT unsafe...
[20:00:08] <Loetmichel> been there, done that
[20:00:13] <Loetmichel> ... as the driver ;-)
[20:00:18] <k6mle-CNC> yikes!
[20:00:45] <k6mle-CNC> I'm going to go grab lunch ... thanks for the info and help ...
[20:00:52] <Loetmichel> wouldnt do that again ;-)
[20:00:56] <Loetmichel> no problem
[20:01:06] <Loetmichel> tell me if you have found the problem
[20:01:33] <k6mle-CNC> I will keep you updated ... most likely will just play with accel and velocity numbers ...
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[20:05:33] <Deejay> re
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[20:18:59] <Deejay> gn8
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[20:48:54] <ssi> k, did a line test to find best focus height
[20:49:03] <ssi> working on a feedrate test for 0.093 acrylic now
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[21:17:54] <tjtr33> Loetmichel, thats funny, i just googled my own nick ( like you googled k6mle-CNC )
[21:18:00] <tjtr33> i got several pages, and a google image sheet fulla stuff i never seen before. but since its on the interweb its gotta be true.
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[21:19:25] <Loetmichel> jour nick is a ham callsigb?
[21:19:32] <Loetmichel> -b+n
[21:19:57] <tjtr33> nope, just wondered what the result would be
[21:20:41] <Loetmichel> i recognized his nick as a ham callsing. and because i know there is a worldwiede database about ham callsigns it was only logical to search for him
[21:21:06] <tjtr33> ah
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[21:31:07] <ssi> I seem to have dorked up my alignment
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[21:34:03] <JT-Shop> I hate when that happens
[21:34:16] <ssi> yeah
[21:34:24] <ssi> especially since aligning a laser is sort of a chore :)
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[21:45:20] <JT-Shop> what do you have to align the mirror or something?
[21:50:56] -!- kwallace2 has quit [Ping timeout: 250 seconds]
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[21:55:04] <PetefromTn_> nickserv.identify natalie
[21:55:10] <PetefromTn_> damn
[21:55:11] <PetefromTn_> LOL
[21:55:31] <t12_> lol
[21:55:32] <PetefromTn_> msg.nickserv.identify natalie
[21:55:33] t12_ is now known as t12
[21:55:39] <t12> double lol
[21:55:41] <PetefromTn_> whaddahell
[21:55:53] <PetefromTn_> jeez I sux at this
[21:56:04] <PetefromTn_> ;)
[21:56:20] <PetefromTn_> now I gotta change my password somehow sigh
[21:56:46] <kfoltman> IRC and phone doesn't mix
[21:57:31] <PetefromTn_> you can say that again LOL
[21:57:57] <PetefromTn_> how do you change your password anybody know?
[22:00:19] <tjtr33> "This tutorial is specifically for the freenode IRC network"
http://en.wikipedia.org/wiki/Wikipedia:IRC/Tutorial
[22:01:19] <ssi> JT-Shop: yeah the mirrors have to be aligned so that the beams are dead parallel to the X and Y travel
[22:01:25] <PetefromTn_> thanks man.
[22:01:31] <ssi> JT-Shop: and then everything has to be tweaked so that the beams fall as close to the center of the mirrors as possible
[22:01:34] <ssi> etc
[22:01:35] <ssi> it's a big back and forth game
[22:01:38] <PetefromTn_> Gonna read thru here so far don't see how to change password
[22:02:01] <tjtr33> err "you must join #freenode and ask an operator to send you a reset password email."
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[22:05:18] <JT-Shop> sounds like as much fun as working on a crawler
[22:06:35] <ssi> :)
[22:06:43] <ssi> probably more fun than that because lazerbeemz
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[22:25:00] <PetefromTn_> tjtr33 Hey thanks man I think I just got my nick registered and my password changed. Appreciate the assistance.
[22:25:25] <Tom_itx> PetefromTn_, /msg nickserv register <password>
[22:25:40] <PetefromTn_> yup just did that thanks Tom
[22:26:06] <Tom_itx> what's the new one?
[22:26:09] <PetefromTn_> LOL
[22:26:13] <PetefromTn_> Smartass..
[22:26:40] <PetefromTn_> I am sorry I am such a newb with this stuff.
[22:26:53] <PetefromTn_> I just have never really used IRC before coming here.
[22:27:34] <PetefromTn_> Now I gotta figure out how to do it so my phone works too LOL
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[22:40:26] <tjtr33> PetefromTn_, np, needed help myself quite a few times
[22:41:12] <PetefromTn_> hehe I feel pretty stupid right now LOL... Oh well I am a noob even tho I am here a LOT lately.
[22:42:07] <ssi> https://pbs.twimg.com/media/BtqlhnGIgAER5Dx.jpg:large
[22:43:28] <tjtr33> a tricky bit was that my xchat client would eat the 1st character, the slash, so my login was visible to all, nowadays i wait a bit before typing
[22:44:46] <tjtr33> ssi looks good , does it 'dogbone' a bit from acc & de-acceleration?
[22:47:08] <PetefromTn_> I am not sure what happened with mine. I have done that several times and not had any problem.
[22:47:24] <PetefromTn_> I only do it when it says that my name is not registered or whatever.
[22:47:30] <PetefromTn_> sometimes I just ignore it.
[22:47:44] <PetefromTn_> ssi Looks cool man....er...whaddahell is it?
[22:47:44] <ssi> tjtr33: yeah... the laser spends more time there due to accel
[22:47:55] <ssi> tjtr33: plus the 'drill holes' at the ends because M3/M5 aren't motion sync'd
[22:48:09] <tjtr33> ssi, looks very nice tho
[22:48:09] <ssi> PetefromTn_: line chart... testing for best focus height
[22:48:16] <PetefromTn_> okay
[22:48:27] <PetefromTn_> did ya burn down the neighbors house yet?
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[22:48:37] <PetefromTn_> ;)
[22:48:38] <ssi> a .350" jo block under the nozzle gives the thinnest line
[22:48:40] <ssi> nah, not yet
[22:49:09] <tjtr33> secret agent laser obstacle chess!
[22:50:49] <ssi> PetefromTn_: so now that I know that .350" gives the finest line, I can use that knowledge for cutting
[22:51:12] <ssi> frinstance, if I want to cut 0.093" acrylic, I can stand the nozzle off the acrylic .300", and that'll put the best focus point right about in the center of the material
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[22:53:13] <PetefromTn_> cool
[22:53:33] <PetefromTn_> how much ya figure you are into this project for now if you don't mind saying?
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[22:54:43] <PetefromTn_> I have seriously been considering building a heavy duty CNC router lately. There has been several folks approach me with projects I would need one for that the CNC Cincinatti is not suited for like wood and large sheet goods.
[22:55:01] <PetefromTn_> Gotta go BRB.
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[22:59:31] <ssi> lol
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[23:18:47] <ssi> https://pbs.twimg.com/media/Btqt5avIEAEtZsM.jpg:large
[23:18:52] <ssi> got the feedrates dialed in
[23:19:01] <ssi> 1/4" oak plywood at 15ipm cuts well
[23:19:20] <jdh> how are teh edges?
[23:19:26] <ssi> pretty nice
[23:19:34] <jdh> crumbly charred?
[23:19:38] <jdh> or just cut?
[23:19:39] <ssi> sometimes they're not square, but I think it's more to do with the fact that the plywood I'm using is bowed like a shovel heh
[23:19:42] <ssi> just cut
[23:19:43] <ssi> and golden brown
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[23:32:05] <SpeedEvil> Casper: There are a number of cheaper what wattage?
[23:32:11] <SpeedEvil> ssi: what ...
[23:32:20] <ssi> what?
[23:32:51] <JT-Shop> what?
[23:32:56] <SpeedEvil> what wattage
[23:32:59] <ssi> 40W
[23:33:21] <SpeedEvil> nitrogen or air assist?
[23:33:25] <ssi> air
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[23:49:49] <JT-Shop> I need to tighten up the holes in a bunch of parts like this one
http://www.gnipsel.com/images/JD350/6-way_lever-01.jpg
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[23:50:40] <JT-Shop> welding has been suggested on the crawler forum... any ideas?
[23:51:23] <PetefromTn_> looks cast..
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[23:55:05] <cpresser> inserts
[23:55:35] <cpresser> drill em out, and put a bushing in
[23:55:48] <cpresser> at least i think bushing is te correct word... neet do check a dictionary..
[23:56:32] <XXCoder1> ssi: woooo
[23:56:35] <XXCoder1> look nice!
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[23:57:35] <JT-Shop> I was thinking about pressing in bushings with locktite
[23:58:05] <JT-Shop> I'm concerned about the wall thickness or lack of
[23:58:37] <cpresser> thickness of what?
[23:59:13] <JT-Shop> the bushing, if i use 3/8" OD bushings the wall would only be 0.03125" thick
[23:59:22] <syyl_> hmm
[23:59:30] <syyl_> braze and rebore
