#linuxcnc | Logs for 2015-06-19

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[00:18:47] <furrywolf> the local small engine shop lost my order of honda parts. they blame it on a computer issue.
[00:24:25] <malcom2073> Bet they don't lose the invoice for charging you
[00:25:02] <furrywolf> almost. they had to dig through their CC receipts looking for one with the right dollar amount.
[00:25:25] <furrywolf> they ordered it directly from honda today, rather than waiting to combine it with a few days' orders like they usually do.
[00:27:06] <furrywolf> the manager was pissed. turns out he doesn't like computers in general, and this happened several times last week... they enter an order, and it simply vanishes. no trace of its existance except in the credit card logs...
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[01:42:30] <tiwake> strange
[01:42:56] <tiwake> well, got the electronics tested to the best of my ability
[01:43:08] <tiwake> and replaced several more parts
[01:43:27] <furrywolf> what're you working on?
[01:44:09] <tiwake> Xaxis driver board for my haas VF1
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[01:44:26] <furrywolf> and does it work now? :)
[01:44:30] <tiwake> donno
[01:44:56] <tiwake> I'm eating before I do, havent really eaten today trying to get it going
[01:45:30] <tiwake> it blew out before
[01:46:12] <tiwake> found another problem downstream, fixed it, and a resister blew out again
[01:46:52] <tiwake> so its somewhat dubious if it will work or not
[01:47:06] <tiwake> it might be the main computer assembly telling the driverboard to do bad things
[01:47:45] <tiwake> I bet those are not cheap
[01:47:46] <furrywolf> ah, the hidden "fuse test mode".
[01:48:00] <tiwake> ..?
[01:49:16] <furrywolf> fuse test mode is an old joke for a software bug turning on both the high side and low side power devices at once, shorting the power supply through them
[01:49:51] <tiwake> hmm
[01:50:14] <tiwake> donno, when I write software I just liter it with printf's
[01:50:52] <furrywolf> you don't tend to have printfs when writing the software that runs inside a driver board. :)
[01:51:08] <furrywolf> (note that I have absolutely no clue what a haas vf1 x-axis driver board looks like...)
[01:51:12] <tiwake> well yeah, but I'm confused with how they relate
[01:51:48] <tiwake> the most complicated part of the driver board is the PAL chip
[01:51:58] <furrywolf> "fuse test mode" is any issue that causes both the high and low side devices to be on at once... could be hardware, but it's usually designed to prevent that, sometimes software...
[01:53:22] <tiwake> oh, thats what the PAL chip was doing
[01:53:34] <furrywolf> I'm not saying that's your problem, just the first thing that came to mind when you said it could be the brains telling it to do bad things... that's the characteristic example of a bad thing the brains could do.
[01:53:39] <tiwake> PAL chip was bad and telling it to go forward and reverse at the same time
[01:53:58] <furrywolf> yes. don't do that. lol
[01:54:07] <tiwake> burned a hole through the FETs :)
[01:54:50] <furrywolf> suggestion: for testing, power it up with a suitably current-rated light bulb in series with the positive supply
[01:55:29] <furrywolf> works best for initial testing without the motor connected
[01:56:06] <furrywolf> then if the driver shorts, rather than blowing more mosfets, all it does is turn the light bulb on.
[01:57:19] <tiwake> this is what they look like http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.Xhaas+32-4070.TRS0&_nkw=haas+32-4070&_sacat=0
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[01:58:10] <furrywolf> that board is way too simple for the price tag.
[01:58:23] <tiwake> yep
[01:58:33] <tiwake> haas wants $1100 for one of those
[01:58:46] <tiwake> new
[01:59:36] <furrywolf> are you sure there's no short in your motor wiring?
[01:59:44] <tiwake> there was, thats the thing
[02:00:07] <tiwake> the PAL chip was bad and a short in the motor from carbon buildup from the brushes
[02:00:47] <furrywolf> you didn't develop a bad pal chip and a shorted motor at the same time... did one of the transistors dump high voltage back to the pal chip?
[02:00:48] <tiwake> took the motor apart cleaned it, fixed the carbon buildup, which the other servos are starting to have the same issue...
[02:01:27] <tiwake> well, not sure... not sure why the PAL chip would go bad
[02:01:50] <tiwake> at first thought it was one issue, but I don't think the short caused the PAL to go bad
[02:02:12] <tiwake> there might be an upstream issue still, telling it to blow up things
[02:02:17] <furrywolf> a base/gate short can dump high voltage back through the driver chain
[02:02:58] <furrywolf> audio amps like doing that too... you blow an output pair, and find every other transistor between there and the preamp is gone too.
[02:03:27] <furrywolf> check T1-3 and T11-13
[02:03:49] <tiwake> well yeah, all the transistors were checked :P
[02:04:14] <tiwake> and they are all good
[02:04:17] <furrywolf> hrmm
[02:04:26] <furrywolf> what are the little 8-pin chips? if optos, check them too
[02:04:30] <tiwake> a zener diode was dead
[02:05:04] <tiwake> nothing else interesting was dead
[02:05:12] <furrywolf> if it's 160VDC, power it up with a 100W household light bulb in the + supply line. :)
[02:05:14] <tiwake> oh, the 555 timer was dead
[02:05:41] <furrywolf> 555s are pretty tough... they don't die, you have to kill them.
[02:05:46] <tiwake> yeah
[02:06:04] <tiwake> I suspect it was from the FET exploding
[02:06:05] <tiwake> heh
[02:06:19] <furrywolf> the light bulb test is really, really good for preventing more power transistor replacements
[02:07:00] <tiwake> well, I have an upstream 5amp fuse in place
[02:07:13] <tiwake> for the power input
[02:07:25] <tiwake> that should catch it
[02:07:38] <furrywolf> if there's no problem, the light bulb might try glowing for the tiniest instant as the supply caps charge, then it'll stay dark. then try driving it with the motor disconnect. with no load, the bulb should stay completely dark. but if something tries shooting through the drivers, instead of them blowing, the bulb just comes on.
[02:07:55] <furrywolf> yes, and how did all the onboard fuses do at preventing it the first time? :)
[02:08:33] <tiwake> the on board fuses are rated at 20 amps and are located just before the motor
[02:08:49] <tiwake> before I knew the motor was shorted, those fuses were still good
[02:08:50] <tiwake> lol
[02:08:52] <furrywolf> the one an inch from the power input?
[02:09:09] <tiwake> nop, thats the output to the servo
[02:09:27] <tiwake> labeled motor
[02:09:33] <furrywolf> eh? the ones on ebay have three fuses... two at the motor, one at the power input.
[02:09:44] <tiwake> oh, mine only has two
[02:09:49] <tiwake> must be a revision
[02:10:05] <furrywolf> lol. the "we need an extra fuse because the drivers blow themselves up" revision. :)
[02:10:15] <tiwake> ...yeah
[02:10:49] <furrywolf> http://i.ebayimg.com/00/s/NTAwWDgxNQ==/z/VbkAAOSwBLlU~f4w/$_57.JPG see fuse at far left
[02:11:16] <tiwake> a fuse there would be nice
[02:11:19] <furrywolf> lol
[02:12:02] <tiwake> oh looks like there is a bunch more diodes too
[02:12:23] <tiwake> next to that fuse
[02:12:38] tofu_ is now known as brlcad
[02:12:41] <tiwake> a beefy resister there thats not on mine...
[02:13:43] <tiwake> yeah, 5 more diodes in that revision than from mine
[02:13:57] <tiwake> on that half of the board
[02:14:16] <tjtr33> the PAL might be gating an external PWM thru a bridge to the motor. (maybe) Then too long of a duty cycle = both sides on at same time
[02:14:31] <furrywolf> the pal could be doing most anything
[02:16:25] <tiwake> if I had my way I'd junk all the electronics in the back of the machine
[02:18:31] <furrywolf> toss it all, install a brand new control system with mesa or gecko parts? :)
[02:19:08] <tiwake> I'm not picky if its linuxCNC
[02:19:35] <tiwake> I don't want mach3/4 and windows
[02:19:39] <tiwake> screw windows
[02:45:09] <furrywolf> http://humboldt.craigslist.org/pts/5080882350.html hrmm, do I need my own smog machine? :)
[02:48:48] <furrywolf> I wouldn't mind one, but the local smog guy is pretty good about giving free pretests if you'll be doing the actual test there.
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[04:16:12] <zeeshan|2> wow
[04:16:16] <zeeshan|2> this part was FUCKINg challenging
[04:16:18] <zeeshan|2> I like!!!!!1
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[04:20:57] <tiwake> zeeshan|2: you get it with a flycutter?
[04:21:52] <zeeshan|2> no havent done that
[04:21:56] <zeeshan|2> will start on that in 30 min
[04:22:14] <tiwake> well I think I have my issue fixed finally
[04:22:32] <zeeshan|2> what was the issue
[04:22:35] <zeeshan|2> http://imgur.com/a/CNds8
[04:22:38] <tiwake> and then I find out it does not like the encoder (probably because its dusty)
[04:22:42] <zeeshan|2> this is the challenging part im talking about
[04:22:46] <zeeshan|2> that i just just finished
[04:23:05] <zeeshan|2> those holes on the same part couldnt be out of axis by more than 5 tenths
[04:23:09] <zeeshan|2> and then stupid block in between them
[04:23:16] <zeeshan|2> the holes couldnt be out on that either
[04:23:18] <zeeshan|2> otherwise it wouldnt slide
[04:23:25] <zeeshan|2> in the end, it turned out SWEET
[04:23:30] <tiwake> ah, yeah... you have a reamer?
[04:23:35] <zeeshan|2> yea duyde
[04:23:41] <zeeshan|2> thats the only way to get it inline
[04:23:53] <zeeshan|2> i kinda cheated in the end.
[04:24:04] <tiwake> the only way anyone wants to screw with it anyway
[04:24:21] <zeeshan|2> i was trying to do it with circular interpolation
[04:24:26] <zeeshan|2> but that didnt work too well
[04:24:32] <tiwake> yeah..
[04:24:32] <zeeshan|2> i tried it on another test piece
[04:24:44] <zeeshan|2> its cause i couldnt do it in the same setup
[04:24:48] <zeeshan|2> and my edge finger is a pos
[04:25:17] <tiwake> you could do that, but have to grind away the flutes so it does not touch the top hole when doing the bottom hole
[04:25:31] <tiwake> so deflection is the same
[04:25:41] <zeeshan|2> end mill wouldnt reach
[04:25:53] <zeeshan|2> its 4" between the holes
[04:26:15] <tiwake> I did that once with a 1/4" endmill and like 3.5" of reach... heh
[04:26:31] <zeeshan|2> dude
[04:26:33] <tiwake> struts for an airplane
[04:26:38] <zeeshan|2> does the shank of an end mill decrease in size
[04:26:46] <zeeshan|2> so the flutes are like say .5" for a 1/2" end mill
[04:26:51] <zeeshan|2> but the shank is like .598
[04:27:08] <zeeshan|2> er
[04:27:10] <zeeshan|2> .498
[04:27:12] <tiwake> donno? depends on who made it?
[04:27:15] <zeeshan|2> hmm
[04:27:21] <zeeshan|2> it'd be nice if it was..
[04:27:33] <zeeshan|2> the ones i measured were .5 througout
[04:27:47] <tiwake> I think normally they take, say 1/2" carbide rod and just grind away
[04:27:49] <renesis> when i measure with .001 calipers theyre usually dead on
[04:27:54] <zeeshan|2> renesis
[04:27:57] <zeeshan|2> a caliper isn't a precision tool
[04:27:58] <zeeshan|2> ..
[04:28:15] <tiwake> dial calipers are quite a bit better :P
[04:28:17] <zeeshan|2> Tiwake yes
[04:28:18] <renesis> its enough to tell .498 from .500
[04:28:45] <zeeshan|2> you need to learn how to intrepret error bands ren.
[04:28:45] <tiwake> renesis: agreed
[04:28:55] <renesis> ok
[04:29:16] <zeeshan|2> accuracy of a caliper is +/- 0.001 in GOOD hands
[04:29:32] <tiwake> zeeshan|2: I've done press fits with my calipers before...
[04:29:57] <tiwake> +-0.0005
[04:30:04] <zeeshan|2> tiwake lol
[04:30:08] <zeeshan|2> ive done it too
[04:30:11] <zeeshan|2> but its a lot of guess work
[04:30:12] <renesis> even the shit digital ones are dead on when measuring gauge blocks
[04:30:45] <renesis> im more comfortable with dial ones,, pretty easy to see if the dial is right over a tick or to the sides
[04:30:48] <tiwake> neh, not really guess work, just knowing the calipers inside and out after years of use :)
[04:30:57] <zeeshan|2> why wouldnt you not use a mic?
[04:31:03] <zeeshan|2> which is much more accurate
[04:31:06] <zeeshan|2> less prone to error
[04:31:14] <renesis> because the calipers are sitting there and they work for .001?
[04:31:26] <zeeshan|2> lol
[04:31:26] <tiwake> pretty much
[04:31:29] <zeeshan|2> i'd love to see you make this part
[04:31:31] <zeeshan|2> with just calipers
[04:31:53] <tiwake> I'd love to have a working mill to make parts with...
[04:32:07] <tiwake> stupid junk old POS haas...
[04:32:18] <renesis> well, i dunno what the part is or why id only use calipers
[04:32:26] <renesis> calipers are fine for shanks
[04:32:38] <zeeshan|2> cool story
[04:32:40] <zeeshan|2> you keep doing that
[04:32:49] <renesis> having a haas minimill would be cool
[04:32:53] <zeeshan|2> when you have a 4 hours invested into a part
[04:32:59] <zeeshan|2> and you have a deadline for it to be finished
[04:33:04] <zeeshan|2> you use that caliper to make it!
[04:33:15] <renesis> ok
[04:33:32] <zeeshan|2> i cant believe im arguing about calieprs vs micrometers tonight
[04:33:43] <tiwake> lol, it is rather amusing :)
[04:34:06] <zeeshan|2> do you guys even machine?!?!?!
[04:34:09] <zeeshan|2> :D
[04:34:40] <tiwake> an air gauge would be nice, but they are kinda expensive
[04:34:54] <zeeshan|2> air comparator is made for a known diameter though
[04:35:04] <zeeshan|2> kinda useless except for production
[04:35:10] <renesis> optical stuff i saw as westec was pretty sweet
[04:35:27] <renesis> that seemed to be the focus of every company that wasnt making tools or machines
[04:36:09] <tiwake> I think I let this encoder dry out enough, I'm going to put it back together and see if it fixed the problem
[04:36:36] <zeeshan|2> tiwake: was it glitching
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[04:45:03] <tiwake> it was complaining about the servo, yeah
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[04:45:10] <tiwake> pretty sure it was just dusty
[04:45:15] <tiwake> at least thats what I'm hoping
[04:45:31] <tiwake> its a really nice one from what I can tell... its a glass disk
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[04:51:36] <tiwake> meh, I just want to go home
[05:00:39] <tiwake> less problem
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[05:00:47] <tiwake> but still encoder problem
[05:01:35] <tiwake> it seems to want to error out from encoder when its either going too fast or accelerating too much
[05:01:50] <tiwake> it might be slipping slightly... I'll make sure its tight
[05:02:17] <CaptHindsight> http://www.bidspotter.com/en-us/auction-catalogues/ppl-auction/catalogue-id-bscpp10101/lot-a910e0d9-0b31-4ce7-9970-a4b901150357 made in 1919
[05:05:24] <tiwake> woo happy dance
[05:05:41] <tiwake> much happy dance
[05:05:50] <tiwake> my mill is finally running
[05:21:13] <tiwake> been here 13 hours, I'm going home
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[06:51:48] <Deejay> moin
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[07:15:43] <zeeshan|2> tiwake: http://i.imgur.com/4BRwDhS.jpg
[07:15:47] <zeeshan|2> http://i.imgur.com/1XY4GeY.jpg
[07:15:48] <zeeshan|2> :D
[07:16:13] <tiwake> zeeshan|2: did that work very well then?
[07:16:34] <tiwake> for whatever he wants
[07:16:40] <zeeshan|2> yes
[07:16:44] <zeeshan|2> its nice and rough
[07:16:45] <tiwake> nice
[07:16:47] <zeeshan|2> grippy
[07:16:50] <tiwake> and fast to make
[07:16:58] <zeeshan|2> yes
[07:17:02] <zeeshan|2> no running a damn ball nose
[07:17:40] <tiwake> oh, grippy is the only thing he wanted?
[07:17:44] <zeeshan|2> yea
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[07:17:50] <zeeshan|2> couldnt coat it
[07:17:56] <zeeshan|2> or put something on it, he wanted pure aluminum
[07:18:01] <zeeshan|2> goes well with his sculpture
[07:18:12] <tiwake> sandblast I guess is another option
[07:18:15] <tiwake> beadblast
[07:18:19] <tiwake> w/e
[07:18:30] <zeeshan|2> thats true
[07:18:44] <tiwake> oh well, its done
[07:18:52] <zeeshan|2> flycutter is quicker :P
[07:18:56] <tiwake> with probably about the same amount of effort
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[07:19:01] <zeeshan|2> less
[07:19:07] <Valen> much less
[07:19:10] <zeeshan|2> it took literally 15 seecond pass
[07:19:11] <zeeshan|2> to do that
[07:19:26] <Valen> you need a good bit of surface prep before you get an even finish on a sandblast
[07:19:56] <tiwake> why?
[07:20:01] <zeeshan|2> if i could use a 20" fly cutter
[07:20:09] <zeeshan|2> i bet i could get a straight knurl
[07:20:10] <zeeshan|2> lol
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[07:21:39] <zeeshan|2> i sold my sand blaster a couple months ago
[07:21:40] <zeeshan|2> i never used it
[07:21:46] <zeeshan|2> =/
[07:21:52] <zeeshan|2> was taking a lot of shop space
[07:22:01] <tiwake> hmm
[07:22:14] <tiwake> w/e, I'm going to bed
[07:22:17] <zeeshan|2> gnite! :P
[07:22:23] <zeeshan|2> its late. 3:30am almost
[07:22:41] <tiwake> quite popped from crawling all over the mill trying to get it working
[07:23:18] <tiwake> tomorrow I get to put the covers back on
[07:23:31] <tiwake> thats going to take most of the day
[07:23:51] <zeeshan|2> good luck! :D
[07:24:11] <tiwake> luck is for people who don't understand systems :)
[07:25:40] <Valen> tiwake: the reason is sand blasting doesn't alter the average surface height
[07:26:03] <Valen> so if you sandblasted zeeshan|2's piece there you would probably still see the fly cutter mark
[07:26:18] <tiwake> Valen: beadblast?
[07:26:31] <Valen> depends, it'll hide more of course
[07:27:15] <tiwake> it would still average the same, sure, but peaks and valleys is all thats desired
[07:27:55] <Valen> that's what I mean, it'll hide more stuff depending on the size of your beads etc
[07:29:11] <tiwake> anyway, sleep
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[10:08:01] <XXCoder> zeeshan|2: hey still up? lol
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[11:51:14] <MattyMatt> anone used both 3M scotchbrite and Mirka Mirlon ripoffs? Is it worth paying double for 3M?
[11:52:12] -!- JSSKangas [JSSKangas!~chatzilla@f84.ip7.netikka.fi] has joined #linuxcnc
[11:53:37] <XXCoder> good question
[11:53:52] <MattyMatt> 3M sandpaper is noticably better than ordinary, I gotta admit, but I consider that a luxury
[11:54:04] <XXCoder> might be good idea to test em I guess, assuming you can buy all of em to test
[11:54:10] <XXCoder> hows ya
[11:54:42] <JSSKangas> Hello
[11:55:02] <MattyMatt> I guess I should start with 3M mixed pack first, so my baseline is the known good stuff
[11:55:12] <JSSKangas> I have finally got kinematics ready for 5-axis table-table machine
[11:55:45] <JSSKangas> it rotates coordinate along part placed on table
[11:56:34] <JSSKangas> math I tested in NX CSE simulation, now I would need saome help to implement it in linuxcnc
[11:57:04] <JSSKangas> mostly cause, im not familiar with linux enviroment.
[11:57:52] <JSSKangas> I can write C code, but i have no experience how to compile this .c file in linuxcnc
[11:58:06] <JSSKangas> Could anyone help
[11:58:08] <JSSKangas> ?
[11:59:03] <XXCoder> c code you could just make a make file
[11:59:09] <XXCoder> then make (name)
[11:59:34] <XXCoder> assuming you want program to be result. not too sure on library or plugs so on
[12:00:12] <JSSKangas> ok but lets start from basics... where to I but file I want to compile? desktop?
[12:00:43] <JSSKangas> result of compiling this file is?
[12:00:56] <JSSKangas> really from basics
[12:01:02] <XXCoder> Sorry, going to bed, its 5 am lol
[12:01:07] <XXCoder> usually sleep at 3:30 am
[12:01:11] <XXCoder> night
[12:01:22] <JSSKangas> i have done lot of C coding but sadly not in linux
[12:01:28] <JSSKangas> heh
[12:03:35] <XXCoder> its not really all that different
[12:03:45] <XXCoder> anyway going later
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[12:08:16] * MattyMatt just spent as much on a roll of real scotchbrite as on the homemade vice I want to clean
[12:10:32] <MattyMatt> http://www.ebay.co.uk/itm/111655872405 not half bad, IMO. I'll mill the sides fully square and a slot for toe clamps
[12:12:52] <MattyMatt> JSSKangas, the usual routine is, in the root directory of the project, type make and it'll use the Makefile there
[12:13:17] <MattyMatt> make or gmake, depending on age and flavour of linux
[12:13:45] <JSSKangas> ok im ysing ubuntu 10.04 and linuxcnc 2.5.0
[12:14:02] <MattyMatt> is there a readme with build instructions?
[12:14:22] <JSSKangas> i know it old but at moment i dont want yet to update newer
[12:14:37] <JSSKangas> wait a sec
[12:15:53] <JSSKangas> ok, Im not too familiar yet with linux cnc it has been over 10 years from last time i did some modifications to it
[12:15:56] * MattyMatt runs 2.4 on 10.04, installed straight off the old live CD
[12:16:37] <JSSKangas> where would i need to look those readme
[12:17:13] <MattyMatt> in the base directory of the source download, I guess
[12:18:07] <JSSKangas> ok does it come along with livecd setup
[12:18:09] <JSSKangas> ?
[12:18:23] <MattyMatt> not afaik
[12:18:35] <MattyMatt> it's on the wiki too I'm sure
[12:20:59] <JSSKangas> if you have time, could you explain how to start compiling simple C file to linuxcnc to person who have newer even heard about linux
[12:21:57] <JSSKangas> do I need sources from linuxcnc to compile new kinematic model to it?
[12:23:07] <MattyMatt> quite likely. there's gonna be headers for the interface, at the very least
[12:23:30] <archivist> JSSKangas, yes get the source/dev version
[12:23:50] <JSSKangas> ok, then how to get it in this old version
[12:23:52] <JSSKangas> ?
[12:23:58] <archivist> then understand how the kins are used in linuxcnc
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[12:24:43] <JSSKangas> I will publish this 5-axis kinematics under GPL
[12:25:22] <lair82> PCW pcw_home, you around?
[12:25:27] <JSSKangas> well I work in machinetool business, my main job is to build kinematics models
[12:25:54] <archivist> see how they are used in http://linuxcnc.org/docs/html/man/man9/kins.9.html
[12:26:18] <archivist> just add yours
[12:26:22] <JSSKangas> done that and HAL is really familiar to me
[12:26:49] <JSSKangas> yes and that is the problem how to add mine
[12:27:04] <JSSKangas> there my experience ends
[12:27:07] <archivist> similar possibly http://wiki.linuxcnc.org/cgi-bin/wiki.pl?ContributedComponents#XYZACkins_5_axis_kinematics_for_a_milling_machine
[12:28:07] <archivist> that should already be there and usable so you can compare use
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[12:32:31] <JSSKangas> ok
[12:32:43] <JSSKangas> tranformations seemsto be fine
[12:33:29] <JSSKangas> I just need litle different
[12:33:34] <JSSKangas> BC axis machine
[12:35:36] <JSSKangas> Thanks archivist
[12:35:57] <MattyMatt> https://www.youtube.com/watch?v=lAr5_idJbFY lovely old film
[12:36:37] <JSSKangas> there was compiling instructions as well. with these I will get along.
[12:39:59] <JSSKangas> If some one is interested where could I upload C file for BC table-table kinematics
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[12:41:44] <archivist> you should perhaps join the -dev mailing list and the #linuxcnc-devel irc channel where the devs can take patches and additions
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[12:53:58] <archivist> JSSKangas, best to stay in channel not pm
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[13:08:32] <JSSKangas> Ok, previously I have had no need for TCP control in linuxcnc. But now I need to make some impellers
[13:09:42] <JSSKangas> where i need 5-axis simultaneous movements
[13:11:25] <JSSKangas> Here are some of my projects: www.picasaweb.google.com/jsskangas
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[13:17:22] <pcw_home> lair82: am now
[13:22:48] <lair82> I was wondering waht kind of range do i need to stay within on the 1 VAC for the resolver feedback, I have 1.008 VAC RMS on my Z axis with a 220Ohm resistor inserted, and .988 VAC on my Y axis?
[13:23:53] <lair82> And 1.01 on my X axis.
[13:29:41] <MattyMatt> JSSKangas, https://www.youtube.com/watch?v=3BMjwQSDb4g is this done without kinematics, with B&C movements edited into 3 axis gcode?
[13:30:41] <lair82> pcw_home I had all 220ohm resistors in, I series 2 100's for the Y and got that up to 1.014
[13:30:54] <MattyMatt> oh no, I got to the end of the vid, where it all goes full 5 axis
[13:36:29] <MattyMatt> that NX9 simulator needs aewallin's voxel code for the part, that z buffer noise looks horrible
[13:38:12] <MattyMatt> https://www.youtube.com/watch?v=Of3Hdgf0p2c
[13:44:47] <skunkworks> zlog
[13:44:47] <zlog> skunkworks: Log stored at http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc/2015-06-19.html
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[14:02:02] <lair82> pcw_home here is current halscope of the x axis, http://postimg.org/image/79geyyqbp/
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[14:15:46] <pcw_home> better but Probably need more resistance
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[14:19:21] <JSSKangas> MattyMatt: yes that video was without tcp, mainly just indexing.
[14:20:26] <JSSKangas> at end of the video there are simultaneous 5-axis movements, yes, but machine does not move correctly.
[14:21:30] <JSSKangas> I have made LinuxCNC postprosessor and machinetool simulation models for Siemens NX
[14:21:56] <MattyMatt> I do my sim in blender :)
[14:22:01] <zeeshan|2> JSSKangas: nice
[14:22:09] <zeeshan|2> i made one of the lathe for nx
[14:22:59] <JSSKangas> it has all needed functions, I think I will publish it in LinuxCNC site some day
[14:23:08] <MattyMatt> I've done my lathe in blender
[14:23:20] <JSSKangas> what is blender
[14:23:24] <JSSKangas> ?
[14:23:39] <zeeshan|2> i need to finsih one for mastercam
[14:23:46] <zeeshan|2> like it's fu nctional for what im doing
[14:23:52] <zeeshan|2> but theres a couple things it still does wrong that i gotta fix
[14:24:01] <JSSKangas> zeeshan: you need NX
[14:24:05] <JSSKangas> ;)
[14:24:12] <MattyMatt> a free 3d editor. not meant for cad, but powerful
[14:24:17] <zeeshan|2> JSSKangas: i have nx
[14:24:23] <JSSKangas> use it
[14:24:27] <zeeshan|2> i perfer mastercam for solidworks
[14:24:33] <zeeshan|2> its way may user friendly
[14:24:40] <zeeshan|2> i used nx for school
[14:24:43] <zeeshan|2> its what they mostly use
[14:24:49] <zeeshan|2> *use
[14:25:03] <JSSKangas> ahh ok where?
[14:25:15] <JSSKangas> USA
[14:25:17] <JSSKangas> ?
[14:25:19] <zeeshan|2> canada
[14:25:41] <JSSKangas> did you like nx cam?
[14:25:53] <zeeshan|2> its okay
[14:26:12] <zeeshan|2> i feel like it's way too much work to get a simple job setup in it..
[14:26:21] <zeeshan|2> (i only experienced lathe on it)
[14:26:54] <JSSKangas> well when you get use it, its not so bad anymore
[14:27:18] <JSSKangas> i have done really complex parts with it
[14:27:36] <JSSKangas> I like most about it, cause its cad like cam
[14:27:54] <zeeshan|2> yes, one package
[14:28:09] <zeeshan|2> whereas all trhese other software are addons to some other cad software
[14:28:14] <JSSKangas> all assemby and modelling functions
[14:28:16] <zeeshan|2> to get parametric
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[14:30:20] <MattyMatt> that's all blender lacks really, persistent parametric objects
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[14:30:31] <ssi> I got my scope lasternight
[14:30:33] <ssi> it's pretty awesome
[14:31:11] <zeeshan|2> nice
[14:31:12] <_methods> scope?
[14:31:16] <_methods> oscope
[14:31:17] <zeeshan|2> hack it!
[14:31:21] <ssi> already haxd
[14:31:25] <zeeshan|2> haha
[14:31:28] <zeeshan|2> nice
[14:31:32] <_methods> 1054z?
[14:31:34] <ssi> yup
[14:31:41] <ssi> it's absolutely worth the money
[14:31:42] <zeeshan|2> how many probes did you get with it
[14:31:49] <ssi> four
[14:31:54] <zeeshan|2> whatt ype
[14:32:03] <ssi> rigol 2200 probes, 150MHz 10x
[14:32:38] <zeeshan|2> ssi so if you wanted to measure 3 phase motor voltage
[14:32:40] <zeeshan|2> or current
[14:32:43] <zeeshan|2> how would you hook up that probe
[14:32:46] * zeeshan|2 is cluless :P
[14:32:53] <ssi> voltage would be easy
[14:32:56] <ssi> current is a bit tougher
[14:33:01] <ssi> need current probes for that
[14:33:14] <zeeshan|2> so for voltage
[14:33:20] <zeeshan|2> would you probe directly in to the wire of interest?
[14:33:22] <zeeshan|2> (phase)
[14:33:25] <zeeshan|2> not wire
[14:33:33] <ssi> yeah, bearing in mind your reference potentials
[14:33:52] <archivist> trigger off one and scope all three
[14:33:59] <ssi> yep
[14:34:00] <ssi> easy peasy
[14:34:13] <zeeshan|2> wtf is reference potential
[14:34:16] <zeeshan|2> that sounds like ground
[14:34:19] <zeeshan|2> earth
[14:34:20] <ssi> on this scope you can literally just clip three probes to the three phases and hit "auto" and it'll give you a nice picture
[14:34:28] <ssi> yes ground
[14:34:36] <ssi> the important thing to remember is scope ground is mains ground
[14:34:50] <zeeshan|2> what else would it be?
[14:34:50] <zeeshan|2> :P
[14:34:52] <ssi> and your 3ph probably is mains referenced as well
[14:34:59] <zeeshan|2> yes
[14:35:04] <ssi> so if you try to clip your ground clip on the probe to something that's not at ground, you might blow something up
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[14:35:09] <archivist> unless one hacks ones mains cable/plug :)
[14:35:11] <MattyMatt> do VFD have a neutral output to use for stuff like that?
[14:35:26] <ssi> not a neutral, but they do have a grounp
[14:35:43] <zeeshan|2> ssi: ahh
[14:35:47] <zeeshan|2> so make sure ground goes to ground
[14:35:47] <zeeshan|2> gotcha
[14:35:48] <zeeshan|2> :P
[14:35:51] <archivist> always assume dangerous voltages, and not your scope and probes maximum voltage
[14:36:01] <archivist> not/note
[14:36:02] <ssi> s/not/note/
[14:36:03] <ssi> heheh
[14:36:31] <zeeshan|2> man if i wasnt gone for a 4 day vacation
[14:36:35] <zeeshan|2> i could buy this scope
[14:36:38] * zeeshan|2 gives up on vacation
[14:36:38] <zeeshan|2> :D
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[14:36:50] <ssi> vacations are for lazy people :D
[14:36:56] <MattyMatt> more good advice. don't go shoving your nice new scope into random HT
[14:37:08] <zeeshan|2> ht?
[14:37:17] <archivist> high tension
[14:37:22] <_methods> poof
[14:37:29] <archivist> lotsa volts
[14:37:35] <MattyMatt> high tension, the stuff that magic smoke is made of
[14:37:43] <zeeshan|2> whats high voltage?
[14:37:44] <zeeshan|2> 600V?
[14:37:46] <zeeshan|2> 3290213908120839 v
[14:38:01] <malcom2073> 1 BILLION volts *pinky to mouth*
[14:38:06] <archivist> HT used to be 200+ in the valve/tube days
[14:38:32] <ssi> I wonder if I Should have spent the extra $400 and gotten the MSO version
[14:39:12] <zeeshan|2> arent those like 14000$
[14:39:15] <zeeshan|2> not 400 bux more
[14:39:29] <ssi> some of them are :P
[14:40:02] <ssi> the 1000Z series is the same hardware across the line
[14:40:11] <ssi> the DS models don't have the logic analyzer parts populated
[14:40:32] <ssi> DS1054Z is 50MHz scope only for $400, the MSO1074Z is 70MHz mixed signal scope for $830
[14:40:36] <ssi> same box, same hackability
[14:41:02] <_methods> heheh buyers remorse
[14:41:12] <_methods> damn you feature creep
[14:41:16] <ssi> :)
[14:41:22] <zeeshan|2> sell me your scope
[14:41:24] <zeeshan|2> for half price
[14:41:28] <zeeshan|2> :-)
[14:41:36] * archivist hides his scopes
[14:41:37] <zeeshan|2> you need the mso!
[14:42:14] <archivist> I could have dragged another home yesterday
[14:42:24] <archivist> tek 575 iirc
[14:42:43] <zeeshan|2> DIGITAL BABY
[14:43:19] <archivist> sod digital for some jobs
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[14:44:11] <archivist> I haz 8 channels digital for when needed :)
[14:44:17] <Rab> archivist, I used one of those not too long ago to match power transistors for an audio amp. Still useful because it can supply more current than a lot of standalone tracers like my Leader.
[14:44:20] <lair82_> pcw_home, what would an ideal voltage be going into the 7i49 on the sine/cosine inputs?
[14:44:54] <archivist> Rab, I got the number wrong it was a scope I saw not the transistor tracer
[14:45:01] <Rab> archivist, ahh
[14:45:17] <Rab> archivist, dual-beam scope? 555 or similar?
[14:45:22] <pcw_home> around 1V but not over (and im not sure if your DVM is accurate at 2.5 KHz)
[14:45:40] <archivist> Rab, yes with plugins
[14:46:19] <Rab> archivist, dual 1A4s? ;)
[14:47:05] <archivist> to see the number would have meant bending down, and looking interested :)
[14:47:25] <archivist> if you want it I can go and ahsk
[14:47:43] <Rab> archivist, I think we're on different continents.
[14:48:10] <archivist> UK here
[14:48:20] <Rab> Texas
[14:48:40] <renesis> i dont think you guys are allowed to get along anymore
[14:49:09] <Rab> It's OK, his people fought the yankees too.
[14:49:26] <malcom2073> lol
[14:49:41] <renesis> newjob doesnt even have a real scope, just this chinatech PC scope with labview'd teletubby gui
[14:49:45] <_methods> they also share that bestiality bond
[14:49:52] <_methods> sheep/steers
[14:49:55] <_methods> lol
[14:49:56] <Rab> I took apart a 555, between the PSU and the main unit it had 70 tubes.
[14:50:21] <Rab> 556 probably has more. Here's one set up for 8 channels, brutal: http://www.barrytech.com/tektronix/vintage/tek556.jpg
[14:50:26] <renesis> thats like 65 more tubes than mine
[14:50:50] <renesis> that looks way sexier than mine
[14:51:34] <archivist> I have an anteeeeeq tek 661 with a 3ghz plugin
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[14:52:41] <archivist> http://w140.com/tekwiki/wiki/661
[14:53:43] <lair82_> pcw_home, for all the more I would use it, would something like this http://www.ebay.com/itm/SainSmart-DDS120-Pro-20MHz-PC-Based-USB-Digital-Storage-Portable-Oscilloscope-/300992154516?pt=LH_DefaultDomain_0&hash=item461487cb94 be ok to use for these applications, or just a waste of money?
[14:55:16] <Rab> lair82_, don't be fooled by the 20MHz bandwidth claim. That's the analog front end. Sample rate is 50MS/s, which means it's basically only useful up to 5MHz.
[14:56:08] <lair82_> So something along these lines? http://www.ebay.com/itm/Fluke-123-Industrial-ScopeMeter-Hand-Held-Oscilloscope-/381293578970?pt=LH_DefaultDomain_0&hash=item58c6de4ada
[14:57:01] <archivist> you also often need a sensible sample depth for diagnosis
[14:57:21] <pcw_home> 5 MHz is probably fine for CNC electronics work
[14:58:20] <Rab> Haha, Fluke 123 is even worse: 25 MS/s. They claim "equivalent sampling rate up to 1.25 GS/s", I guess that's on repetitive signals.
[14:58:25] <pcw_home> usable software for the PC side is probably more important
[14:58:37] <archivist> taking a long sample and catching the glitches is where all the toy scopes fail
[14:58:52] <lair82_> I just saw that about the 25 MS/s
[14:59:40] <Rab> lair82_, you should identify your use cases. 5MHz might be just fine.
[15:00:35] <lair82_> Troubleshooting these cnc's is about the only thing I will ever use it for,
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[15:01:14] <lair82_> Like right now, trying to nail down exactly what my feedback voltage is going into my 7i49,
[15:02:08] <pcw_home> if you have 2 220 ohm resistors you can make a voltage divider
[15:02:48] <pcw_home> that should lower the peak to about .65 V which should be fine
[15:03:47] <lair82_> I have the 330's
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[15:12:51] <SpeedEvil> ^Usable open-source software for the PC
[15:13:19] <SpeedEvil> Just usable software means you have it until the manufacturer stops making it often, and then the driver stops working.
[15:13:33] <SpeedEvil> Or will work only on a ten year old PC
[15:14:16] <tiwake> _methods: did you see I got the mill working last night?
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[15:19:10] <_methods> no nice
[15:19:34] <_methods> last i saw you were having issues with the motor
[15:19:59] <_methods> what was it?
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[15:45:59] <lair82_> I guess for along the same lines of dollar amount, this might be usable for my work, http://www.alliedelec.com/red-pitaya-red-pitaya-v1-0/70418439/#tab=overview
[15:46:36] <lair82_> Sample rate of 125 MS/s
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[15:54:50] <tiwake> _methods: three problems, the motor, the encoder (was dusty), and the driver board
[15:55:13] <tiwake> all independent from eachother
[15:55:51] <tiwake> anyway, off to work I go to put covers back on
[15:58:46] <ssi> lair82_: if you're gonna spend $300, might as well spend $400 and get a proper scope
[15:59:04] <ssi> pc scopes suuuuuck
[16:00:03] <jdh> which $400 one
[16:00:13] <tjtr33> !wench fire
[16:00:29] <ssi> http://www.tequipment.net/Rigol/DS1054Z/Digital-Oscilloscopes/?v=0
[16:00:34] <ssi> best value in scopes hands down
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[16:03:21] <_methods> says the guy with buyers remorse
[16:03:27] <ssi> I don't have buyers remorse
[16:03:30] <_methods> heheh
[16:03:50] <_methods> upgrade remorse
[16:04:07] <ssi> this is the one to have btw
[16:04:07] <ssi> http://www.tequipment.net/Rigol/MSO1074Z-S/Mixed-Signal-Oscilloscopes/?search=true
[16:04:15] <ssi> I just didn't want to spend $1k this week on a scope
[16:04:18] <ssi> eventually I probably will
[16:04:32] <ssi> and they haven't quite sorted out the hack on the MSO yet
[16:04:40] <_methods> yeah hard to drop the much cash on something you use so rarely
[16:05:12] <ssi> the DS1054Z is an unreal amount of scope for the money
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[16:08:27] <_methods> yeah i need to pick one up.......among other things
[16:09:13] <_methods> compressor, generator, tig rig, and plasma are at the head of the line though
[16:09:32] <ssi> I have all of those things :P
[16:09:37] <ssi> although my generator is on the small side
[16:10:12] <_methods> i need to get one before hurricane season gets full blown
[16:10:24] <_methods> i've been livin on the edge for awhile now
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[16:18:51] <ssi> heheh
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[16:32:20] <Bushman> ave
[16:33:04] <Bushman> i have a hard time figuring out gear ratio in my gearbox for A axis...
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[16:33:27] <Bushman> i need some tool that would turn the stepper given number of steps/revolutions
[16:33:39] <Bushman> the stepper motor is 100 steps/rev
[16:33:54] <archivist> juts multiply that number by the ratio
[16:34:17] <Bushman> archivist: please read my first message
[16:34:59] <Bushman> i don't remember what was that but i used a tool once that was counting steps
[16:35:02] <archivist> becomes obvious if you command one rev and it turns a 90th
[16:35:19] <Bushman> do you have any idea what tool does that in linuxcnc?
[16:35:32] <archivist> a lot of the common rotaries are 90-1
[16:35:42] <Bushman> oh... i don't know how to command it 1 rev
[16:36:02] <Bushman> it's not common. i took it from some old german machine
[16:36:29] <archivist> think of your stepper doing one rev multiply by the assumed ratio see if the result works
[16:36:37] <Bushman> i said german? umm.. i mean austrian
[16:36:42] <Bushman> remotly controlled light fixture from PANI Austria
[16:37:09] <Bushman> archivist: i did that. i get weird results any my brain is shutting down
[16:37:20] <Bushman> the whole thing is 2 stages
[16:37:49] <Bushman> this worm gear:
[16:37:49] <Bushman> http://i.imgur.com/c1RnNC6l.jpg
[16:37:49] <archivist> I usually draw a line on the face ant rotate the input until one output rev
[16:38:22] <Bushman> and this gearbox (it's already closed up and bolted down so i can't count the teeth):
[16:38:25] <Bushman> http://i.imgur.com/uaNAaPol.jpg
[16:38:29] <archivist> or dismember and count teeth
[16:39:07] <Bushman> well, i can fugure out the gear ratio if i will know how much steps i made
[16:39:24] <Bushman> so let's for now discuss my options in software
[16:39:46] <Bushman> stepconf is driving me nuts. i adjust the values but it's always off by some degree
[16:39:56] <archivist> measure then, another thing is put and encoder on the output and use an encoder hal comp to count is for you
[16:40:09] <Bushman> so i'd want to move it given number of steps, not degrees
[16:40:48] <Bushman> archivist: i don't want to build extra stuff
[16:40:59] <Bushman> i just want to find the real ratio.
[16:41:08] <malcom2073> Bushman: Set your steps per degree to say, 10. Then jog a full rotation, divide by 10, that's your steps per revolution
[16:41:08] <archivist> once running I forget stepconf, edit the ini is easier to put calculated numbers in
[16:41:35] <Bushman> for that i want to use something that lets me command/count steps, not other units
[16:41:49] <Bushman> i know i was using such thing but it was 2 years agao
[16:42:06] <Bushman> and i only play with it for few minutes and didn't really need it
[16:42:09] <malcom2073> erm, or rather divide by 3600
[16:42:15] <archivist> set the ini so the steps is directly sensible
[16:42:31] <malcom2073> to get actual steps per degree
[16:42:32] <Bushman> i need you guys to help me find the tool that is build into linuxcnc i was using!
[16:42:50] <malcom2073> Oh
[16:42:52] <archivist> I dont remeber seeing any tool
[16:42:53] <malcom2073> i don't know that one, sorry
[16:43:06] <Bushman> eh -_-'
[16:43:20] <archivist> I made my own, add an encoder to see what the rotary did
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[16:44:56] <Bushman> well, i don't have encoders
[16:45:11] <Bushman> and i don't want to build extra hardware for this thing
[16:45:21] <archivist> my hobbing machine had unknowns so I just couples an encoder to the output, put the signals to the parport and used watched the counts in halshow
[16:45:24] <Bushman> it's already driven by a stepper motor.
[16:45:27] <malcom2073> Then your best bet may be to jog until you get a full rotation, and calculate steps fro mthat.
[16:45:37] <Bushman> as long as it doesn't loose steps it's ok
[16:46:04] <Bushman> jog! cool! but how do i know how much steps did it do? there was a tool for that!
[16:46:12] <malcom2073> Yes, a calculator :-P
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[16:46:21] <Bushman> -_-
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[16:46:29] <Bushman> malcom2073: har har...
[16:46:41] <Bushman> i'm talking about what the PC sent to the driver
[16:46:49] <archivist> it is trivial to use a marker pen and set a a start point and use halshow to see how many counts you used to do a rev
[16:47:10] <Bushman> halshow!
[16:47:24] <Bushman> thank you... AT LAST
[16:47:44] <archivist> it is a general tool not a specific one!
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[17:22:52] <Bushman> archivist: i never said i want specific tool
[17:23:03] <Bushman> i said i want _some_ tool
[17:23:26] <Bushman> 1:1450
[17:23:50] <Bushman> is the ratio of my gearbox as a whole (both stages together)
[17:24:06] <archivist> you asked for a tool to actually turn and count :)
[17:24:50] <Bushman> ok, i might have expressed my thougths in a not completely exact way...
[17:24:56] <archivist> to me that is a bit of gcode
[17:25:12] <Bushman> but if you think about it, AXIS is turning and halshow is counting
[17:25:36] <Bushman> and that's what i wanted.
[17:25:52] <archivist> I know, that is how I worked out my hobbing machine
[17:27:05] <Bushman> i took a rough number of steps per revolution, divided by microstepping divided by motor's number of steps/rev gave me 1450 (+/- 1)
[17:27:42] <Bushman> now i just need to run it for maybe 10 revolutions and see if it's spot on.
[17:28:11] <archivist> with the added encoder because of some unknowns see http://www.archivist.info/cnc/hob2/IMG_1265.JPG
[17:29:10] <archivist> never took a picture of the diagnosis stage
[17:32:48] <Bushman> what am i looking at?
[17:34:22] <archivist> guts of the hobbing machine, which shows some of the gearing
[17:34:43] <archivist> http://www.collection.archivist.info/searchv13.php?searchstr=barber shows more
[17:35:48] <archivist> the encoder in those pics is for the spindle to blank gearing
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[17:37:04] <Bushman> it looks nice
[17:37:37] <Bushman> i need a hobbed something for the printer i plan to build
[17:37:56] <Bushman> i was thinking about making one myself but i have no idea how to aproach this thing
[17:38:07] <Bushman> this machine would solve my problem XD
[17:40:21] <archivist> I still have a fault to find and fix though
[17:44:11] <Bushman> go fix it!
[17:44:16] <Bushman> do it! do it now! :D
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[17:44:53] <Bushman> i've run the A axis on G0 for 3600 and it landed spot on the start.
[17:45:15] <Bushman> looks like i've got the ratio just right
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[17:45:59] <Bushman> next, i need to get some nice little chuck for it
[17:47:16] <Bushman> also i think i might need a bigger motor with less steps to make it go faster
[17:47:26] <archivist> I rotate one direction only for cutting usually to get rid of backlash
[17:47:44] <Bushman> yea, i thought about that too
[17:48:23] <Bushman> i still need to insert one roll pin and then i can do some test of the backlash
[17:48:42] <Bushman> but it fell on the floor and i can't locate it
[17:49:37] <Bushman> the stepper is a bit smalish
[17:49:39] <Bushman> http://i.imgur.com/KAhEihrl.jpg
[17:50:21] <Bushman> but it's better than the synchronous 230V motor that was there in the first place :D
[17:51:02] <archivist> I use larger steppers on my rotaries http://www.collection.archivist.info/archive/DJCPD/PD/2013/2013_08_11_bevel/IMG_1633.JPG
[17:51:40] <archivist> poor thing on the left had to carry the one on the right
[17:53:31] <Bushman> hee
[17:53:58] <Bushman> well, i don't have such nice rotaries but this will have to do. at least for a while
[17:54:05] <Bushman> it's damn slow tho.
[17:54:34] <Bushman> NEMA16 100steps motor with 1:1450 gear ratio... :D
[17:55:09] <archivist> reduction ratio is a bit high, drop your microsteps to 1/2 step
[17:55:59] <Bushman> yea, that's the thing... when i drop the microsteping shit hits the fan and i don't know what's happening
[17:56:10] <Bushman> it starts to run in reverse :O
[17:56:38] <Bushman> for brief moments but that's enough to fuck things up
[17:57:16] <archivist> acceleration set too high probably
[17:57:32] <Bushman> again, i've tried with really low acc
[17:57:43] <archivist> remember to drop that and top speed in tandem
[17:57:44] <Bushman> it's get jerky and does random things
[17:57:49] <Bushman> donno why
[17:58:05] <archivist> stepping too fast does that
[17:58:13] <Bushman> but it does that at low speeds only!
[17:58:29] <archivist> is it a unipolar motor
[17:58:32] <Bushman> after it speeds up it goes smooth and does not stall
[17:58:42] <Bushman> 6 wires
[17:58:50] <Bushman> 2 coils
[17:59:04] <archivist> how have you wired it though
[17:59:17] <archivist> that can do uni and bipolar
[17:59:46] <Bushman> i used the far ends of the coil... skipped the center
[18:00:13] <archivist> so used it as bipolar in series
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[18:01:23] <archivist> you can be hitting resonance, the microstepping helps that (but is slower)
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[18:01:34] <Bushman> at least i think that's what i did... i'll double-check the wires.
[18:01:44] <Bushman> https://www.probotix.com/image/motor_coil_configurations.jpg
[18:01:46] <Bushman> top right
[18:02:05] <Bushman> my multimeter battery is dead ;/
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[18:32:27] <Bushman> it seems i've mixed up the wires and only used half the windings
[18:33:03] <Bushman> connected it the right way and i can't get the same results... it keeps stalling
[18:33:06] <Bushman> :(
[18:33:10] <Bushman> i need abigger motor
[18:33:26] <malcom2073> Or lower acceleration, or lower speed, or more current :-P
[18:33:34] <malcom2073> Or more voltage
[18:33:57] <Bushman> my board can only give 2.5A and that's to much for this motor anyway
[18:34:30] <Bushman> the acceleration doesn't seem to be the problem, it starts up nice even at 300°/s²
[18:34:43] <Bushman> but i can't run it as fast as before
[18:34:57] <malcom2073> higher voltage maybe, you may be reaching torque dropoff?
[18:35:49] <Bushman> wich in lay terms is "It's faster than a snail! But that's how it is when snails go to sleep"
[18:36:01] <Bushman> malcom2073: most likely
[18:36:19] <Bushman> also take into account this motor was not designed for this gearbox :D
[18:36:33] <Bushman> i just slapped it together with some nuts and bolts :D
[18:37:10] <Bushman> that and i've drilled the internal diameter of the motor gear to fit it on this motor
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[18:45:21] <Bushman> welp. bummer. only 5.5°/s²
[18:47:11] <Bushman> s/s²/s/
[18:48:07] <Computer_barf> lets say someone was using hydrochloric to depopulate electronics boards from their solder and components
[18:48:35] <Computer_barf> and then later milled those boards , and the trace hydrochloric evidently stained the surface of the mill
[18:49:06] <Computer_barf> not like serious pitting or anything I think has disrupted the integrity of the plane but
[18:49:20] <Computer_barf> enough to displease my over aesthetics
[18:49:44] <Computer_barf> how do you guys go about cleaning your mill beds
[18:50:19] <ssi> scotchbrite
[18:53:12] <malcom2073> 0000 (4x) steel wool if it's really bad
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[18:53:56] <malcom2073> ohh
[18:54:31] <PetefromTn_> I use a mill table stone
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[19:10:27] <_methods> stone
[19:11:14] <_methods> i stone my table every time i break down and stone the bottom of my vises
[19:15:19] <Computer_barf> wouldn't the stone unlevel the bed
[19:15:43] <Computer_barf> or do you basically do a uniform pattern over the entire surface
[19:16:08] <_methods> uniform and its not like you're takin that much off
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[19:16:28] <_methods> its just knockin any embedded chips off or surface rust
[19:16:52] <Computer_barf> if it were to, i guess you would have the table run through a surface grinder?
[19:17:12] <PetefromTn_> unless your table is made of paper mache you would have to be rubbing awfully hard in the same spot for a good while to do any real damage...
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[19:23:22] <_methods> and i really wouldn't use steel wool unless you want surface rust everywhere
[19:23:57] <_methods> if you want to do some gentle cleaning then use a scotch brite but otherwise just stone it
[19:25:03] <robinsz> so .. this spindle speed thing
[19:25:20] <robinsz> if I home the machine
[19:25:35] <robinsz> and set press spindle on ...
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[19:25:57] <robinsz> type "S8000" in the MDI, it should run?
[19:26:21] <PetefromTn_> m3 s8000
[19:26:26] <_methods> ^
[19:26:33] <robinsz> why M3?
[19:26:39] <_methods> spindle clockwise
[19:26:40] <PetefromTn_> or m4
[19:26:42] <_methods> m3/m4/m5
[19:26:47] <_methods> m5 spindle stop
[19:26:55] <robinsz> so, why do i have to type that?
[19:27:01] <_methods> that's the rulez
[19:27:10] <_methods> simon says m3
[19:27:27] <PetefromTn_> you can also just hit spindle fwd or rev and press the plus buttons
[19:27:34] <robinsz> so the spindle stop button, clockwise and anticlockwise buttons on the GUI are redundant?
[19:27:49] <PetefromTn_> no not really
[19:28:00] <robinsz> they just dont work then?
[19:28:06] <PetefromTn_> they should
[19:28:10] <robinsz> wait ...
[19:28:22] <robinsz> did anyone read what I wrote?
[19:28:22] <PetefromTn_> press spindle fwd then press plus button underneath
[19:28:39] <robinsz> if I home the machine
[19:28:45] <robinsz> press spindle clockwise
[19:28:54] <robinsz> type S1000 in the MDI
[19:29:00] <robinsz> should it run?
[19:29:02] <_methods> no
[19:29:12] <PetefromTn_> dunno never tried it that way
[19:29:17] <Computer_barf> im wondering if there is some quick way to home all axis's to the current location plus touchoff
[19:29:17] <PetefromTn_> probably not
[19:29:20] <_methods> yeah actually sorry i don't know
[19:29:31] <robinsz> so what do the buttons do?
[19:29:34] <_methods> does the spindle clockwise button fire an mdi m3?
[19:30:00] <PetefromTn_> the buttons are for manual control
[19:30:11] <PetefromTn_> MDI is for writing little code snippets
[19:30:28] <robinsz> lets try this another way
[19:30:33] <PetefromTn_> I use the buttons when I am touching off with my edge finder etc..
[19:31:00] <robinsz> I was just getting weird bahaoviour
[19:31:13] <robinsz> press spindle on, get odd speed
[19:31:27] <robinsz> type "S1000", spindle stops
[19:32:21] <robinsz> if the spindle scale is set low, like "10.0" or something
[19:32:28] <PetefromTn_> pressing spindle on should not get any spindle speed at all
[19:32:33] <robinsz> oh
[19:32:36] <robinsz> really?
[19:32:49] <_methods> unless he's previously commanded a speed
[19:32:58] <robinsz> sounds dangerous already
[19:33:13] <PetefromTn_> yeah spindle fwd or rev just waits for you to press up on the speed
[19:33:20] <robinsz> right
[19:33:32] <_methods> go to mdi and type in m3s1000
[19:33:41] <_methods> see if that gives you the correct speed
[19:33:43] <PetefromTn_> yup
[19:34:03] <robinsz> so how can I set a minimum speed? my spindle hates low speeds, so 2000 is really a minimum
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[19:34:17] <robinsz> i dont want it running lower than that
[19:34:25] <robinsz> some sort of HAL thing?
[19:34:36] <_methods> in your config file i'm sure
[19:34:41] <_methods> ini
[19:34:50] <robinsz> all I have in ther is a scale
[19:35:08] <_methods> there isn't spindle min/max?
[19:35:08] <robinsz> something like
[19:35:15] <robinsz> no ther isnt
[19:35:26] <robinsz> [SPINDLE_9]
[19:35:34] <robinsz> scale 24000.0
[19:35:34] <_methods> hmm i don't know i just control mine manually right now
[19:35:39] <robinsz> or something
[19:36:29] <robinsz> ok,
[19:36:36] <robinsz> so next question :)
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[19:36:44] <robinsz> trajectory planner ...
[19:36:57] <robinsz> my old control (which died)
[19:37:08] <_methods> yeah maybe you do need to do it in hal
[19:37:25] <robinsz> if I tried to cut a square, it would zip along the straights
[19:37:30] <PetefromTn_> you should have output max and min limits in your .ini
[19:37:53] <robinsz> then slow at the corners
[19:39:44] <skunkworks> that sounds normal....
[19:39:45] <_methods> that's a product of your acceleration and trajectory planning usually
[19:39:59] <robinsz> so I set up the machine
[19:40:20] <robinsz> loaded up the axis.ngc test program
[19:40:31] <robinsz> yanked the speed up
[19:40:39] <robinsz> ran it ...
[19:40:49] <robinsz> and it rounded the corners on the letters
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[19:41:02] <robinsz> if I slow it down lots, it hits the corners
[19:41:48] <skunkworks> http://linuxcnc.org/docs/2.6/html/gcode/gcode.html#sec:G61-G61_1
[19:42:06] <skunkworks> you can make linuxcnc follow the path as close as you want in gcode
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[19:43:13] <robinsz> ooh
[19:43:16] <robinsz> lovely!
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[19:50:58] <robinsz> that looks awesome ... I remember the huge problems I ahd with traj on plasmas, that looks like it would have totally sorted it
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[19:52:07] <skunkworks> you might want to try V2.7 - the next release version of linuxcnc. it has a much improved tp.
[19:54:12] <Computer_barf> is there a gcode i could put into the mdi that would home x y z and touch off? each time I cut out my part i have to do this and it would be nice to have an automatic one button way to do it
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[19:57:19] <Computer_barf> note i don't mean move to home, i mean set home to the current locaiton
[19:59:05] <JT-Shop> lula is mean and hard to program
[19:59:43] <_methods> http://www.linuxcnc.org/index.php/english/forum/10-advanced-configuration/24367-creating-a-qone-button-touch-offq-button
[20:01:23] <Computer_barf> that sounds like the droid i am looking for
[20:03:19] <PetefromTn_> naah these aren't the droids you are looking for (waves hand like a jedi knight!!)
[20:03:54] <_methods> you see the star wars battlefield videos from E3?
[20:04:04] <_methods> i'll be playin that
[20:04:29] <Computer_barf> yes looks pimp
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[20:04:51] <_methods> https://www.youtube.com/watch?v=3Myb8v_8qBo
[20:05:57] <Computer_barf> im making hearts out of depopulated motherboards, to encapsilate and turn into ear rings
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[20:06:20] <Computer_barf> but it would be cool to make star wars related outlines too
[20:06:43] <Computer_barf> comes out with the copper traces buffed to a shine
[20:07:14] <PetefromTn_> that is so kickass
[20:07:50] <Computer_barf> yeah if you guys have shape ideas im making a list
[20:08:09] <Computer_barf> making larger keychains too
[20:08:28] <_methods> https://www.youtube.com/watch?v=ZwWLns7-xN8
[20:08:32] <_methods> thats the reveal trailer
[20:08:35] <_methods> from E3
[20:09:20] <_methods> much prettier
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[20:10:14] <PetefromTn_> DAMN DO I EVER WANT AN IMPERIAL SPEEDER BIKE we gotta invent one
[20:10:30] <_methods> hahah
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[20:10:49] <_methods> https://www.youtube.com/watch?v=jXU5k4U8x20
[20:10:57] <_methods> the gameplay video
[20:11:01] <_methods> from E3
[20:11:03] <JT-Shop> WOW I think I just made sheetcam suck the volts out of the tool description and put it into M68
[20:11:59] <_methods> ah nice
[20:12:21] <_methods> you manually set the volts now?
[20:12:21] <PetefromTn_> Oh shit man you are playing the bad guys!!~
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[20:13:02] <_methods> hah yeah it takes 2 to tango man
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[20:13:18] <PetefromTn_> Stay away from the darkside man!!!
[20:17:15] <_methods> hehe
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[20:21:37] <JT-Shop> not any more, the post processor sets the volts and the thc comp gets it from m68
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[20:26:02] <_methods> nice
[20:26:50] <_methods> sheetcam using lua or something?
[20:27:29] <JT-Shop> yea
[20:27:41] <JT-Shop> now I won't forget to set the voltage any more
[20:30:00] <_methods> heheh
[20:30:04] <_methods> yeah that sux
[20:30:08] <_methods> sparks all over
[20:30:32] <_methods> spark volcano
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[20:30:54] <JT-Shop> torch dives into the work till the limit is hit
[20:31:06] <_methods> yeah that sux even worse
[20:31:21] <JT-Shop> good thing it is a floating head
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[20:34:33] <_methods> ah cool linux sheetcam is free?
[20:35:54] <_methods> https://blog.adafruit.com/2015/06/19/our-meeting-with-jonathan-jaglom-the-new-ceo-of-makerbot-makerbot-jjaglom-stratasys-adafruit/
[20:35:57] <_methods> lol
[20:38:52] <JT-Shop> kinda
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[20:41:28] <_methods> oh they limited the code lines
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[20:45:02] <malcom2073> Lol. "Is makerbot interested in patching things up with the OS community?" "We'd like to promote thingiverse!"
[20:46:04] <_methods> talk about throwing softballs
[20:46:14] <_methods> i wonder how much money they paid adafruit
[20:46:59] <XXCoder> not very direct answer
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[20:47:28] <malcom2073> It wouldn't be, they've never been really direct
[20:47:42] <XXCoder> basically start talking
[20:47:45] <XXCoder> but besides that
[20:52:36] <Deejay> gn8
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