Back
[00:00:29] <JT-Shop> I'd make the block big enough for that feature and just cut it away
[00:00:31] <Tom_itx> the hole hangs below the main body a bit
[00:00:37] <JT-Shop> then cut from the side
[00:00:37] <Tom_itx> i did
[00:00:56] <Tom_itx> my numbers are off somewhere a tiny bit
[00:01:58] <JT-Shop> I love drawings that make you think
[00:02:03] <Tom_itx> me too
[00:02:19] <malcom2073> You know what would be cool?
[00:02:24] <Tom_itx> other than the little holes i've about got it
[00:02:42] <malcom2073> If there was a software I could feed this into:
http://i.imgur.com/ZpsWXrD.png and it would generate two toolpaths, for two different size bits to draw down the center of the paths
[00:02:46] * JT-Shop wanders inside to cook some chicken and dumplings
[00:03:53] <Tom_itx> the path would be the same
[00:03:58] <Tom_itx> if it's center cut
[00:04:37] <malcom2073> I'd like to have it center cut that out
[00:04:42] <Tom_itx> what did you draw that in?
[00:04:48] <malcom2073> It's a SVG and DXF
[00:05:06] <Tom_itx> the 'tubes' is just a single cutter path?
[00:05:10] <malcom2073> yeah
[00:05:20] <malcom2073> I'd like it to be at least heh
[00:05:24] <Tom_itx> so draw a line down the center of them
[00:05:33] <Tom_itx> and around the center of the arc
[00:05:36] <malcom2073> That's fine for simple things like a line, but for things like th font, it's near impossible
[00:05:52] <Tom_itx> change the font?
[00:06:01] <malcom2073> I can't afford a full set of engraving fonts :P
[00:06:40] <malcom2073> engraving fonts == fonts that do exactly that, have lines down the middle. They're not typically cheap, and the free variety are really limited
[00:06:40] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/cnc/pendant/pendant2.jpg
[00:06:44] <Tom_itx> i did those with mine
[00:06:57] <malcom2073> What font?
[00:07:03] <Tom_itx> i don't remember
[00:07:09] <Tom_itx> it's in the cad cam
[00:07:10] <malcom2073> More importantly, what did you use to output it?
[00:07:16] <Tom_itx> smartcam
[00:07:18] <malcom2073> Ah yeah,
[00:07:23] <malcom2073> That's cam specific heh
[00:07:30] <malcom2073> Standard system fonts don't do that :P
[00:07:45] <malcom2073> cambam has something similar, but I don't want to make this whole thing inside the cam package
[00:08:19] <Tom_itx> umm, i forget that graphic package...
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[07:13:54] <XXCoder> lucky foot.
https://s-media-cache-ak0.pinimg.com/736x/b4/dd/64/b4dd6419f40e1471ac5d4ef1aad8b726.jpg
[07:14:40] <Jymmm> bling bling yo
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[07:19:56] <XXCoder> wow!
[07:19:57] <XXCoder> http://interestingengineering.com/arcaboard-is-a-fan-powered-hoverboard/
[07:20:03] <XXCoder> crude but working
[07:20:33] <XXCoder> we REALLY need very compact power supply.
[07:25:23] <Jymmm> XXCoder: Eh, not really...
https://www.youtube.com/watch?v=mPOoNZO7vx4
[07:25:52] <XXCoder> considerable more dangerous but better.
[07:26:22] <XXCoder> 90 whole seconds too. I wonder how longer it would be if he wore solar suit.
[07:26:45] <Jymmm> better?! are you kidding me?! One can barely get off the ground, the other is going across water 5ft in the air
[07:27:04] <XXCoder> I didnt say box one was better...
[07:27:09] <XXCoder> read again
[07:27:17] <Jymmm> 2015-12-26.23:25:52 XXCoder: considerable more dangerous but better.
[07:27:24] <XXCoder> well yes
[07:27:36] <Jymmm> the logs never lir biotch!
[07:27:39] <Jymmm> lie*
[07:27:39] <XXCoder> thats what I said. one you linked to is more dangerous but better.
[07:27:50] <XXCoder> *but better*
[07:27:56] <XXCoder> as in not worse than box one
[07:29:08] <Jymmm> box one into dumpster one.
[07:29:18] <XXCoder> dunno
[07:29:22] <Jymmm> lol
[07:29:33] <XXCoder> box one, with bit more powerful batteries and fans
[07:29:41] <XXCoder> that might be good for fun
[07:29:55] <XXCoder> other ones great over water with much higher hover height
[07:31:11] <XXCoder> I wonder how much longer flight would be with solar suit lol
[07:31:17] <XXCoder> with good sun of course
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[08:03:05] <Deejay> moin
[08:03:54] <XXCoder> yay
[08:03:55] <XXCoder> http://www.smbc-comics.com/index.php?id=3953
[08:04:00] <XXCoder> a use for 3d printer!
[08:04:02] <XXCoder> heh
[08:04:10] <XXCoder> click red button after reading
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[09:02:36] <Loetmichel2> *mooornin*
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[09:03:03] <XXCoder> hey
[09:03:07] <XXCoder> how goes your machine
[09:03:37] <bobo__> zeeshan: how was the vacation ?
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[09:10:10] <bobo__> talk about a quick/cheap keep the bears on a non meat diet,mountain climbing weeking ,you people up north have it made
[09:11:25] <bobo__> weeking-weekend
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[09:28:20] <XXCoder> wow
[09:28:27] <XXCoder> can't access google
[09:28:32] <XXCoder> rest of sites is fune
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[10:45:25] <enleth> in case you didn't know the guy already:
https://www.youtube.com/user/thang010146
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[12:57:12] <tjtr33> hello, none of the irc logs listed here work right now
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNCKnowledgeBase
[12:57:40] <tjtr33> are they long dead or temporarily dead or other?
[13:04:04] <enleth> yes
[13:04:29] <enleth> (sorry, couldn't resist the opportunity)
[13:04:49] <enleth> no idea, tbh.
[13:04:56] <tjtr33> can you try to access them?
[13:05:59] <enleth> they don't work for me too
[13:06:36] <jthornton> zlog
[13:06:36] <zlog> jthornton: Log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc/2015-12-27.html
[13:06:43] <jthornton> this one works
[13:07:27] <jthornton> http://psha.org.ru/irc/ works for me
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[13:11:01] <tjtr33> thx john but its zombie since 2014, nothing newer
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[13:11:21] <pink_vampire> hii
[13:11:25] <jthornton> he may have turned it off
[13:11:35] <tjtr33> yeh thx for looking
[13:15:21] <pink_vampire> what material will give better surface finish if I engrave with low speed spindle (1000 rpm)
[13:15:32] <pink_vampire> polyamide or polycarbonate?
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[13:18:21] <tjtr33> i dont know, but cutter diameter and # of cutting edges likely come into the evaluation. tell us what they are.
[13:20:36] <pink_vampire> it's a V shape cutter.
[13:21:57] <Jymmm> soap? wax?
[13:22:08] <tjtr33> so 1 cutting edge (other side of V is relief)? and whats the diameter of the cone at full engraving depth?
[13:22:26] <tjtr33> Jymmm, polyamide or polycarbonate
[13:22:45] <Jymmm> not at 1K
[13:23:29] <pink_vampire> I need to engrave small text
[13:23:49] <pink_vampire> 100K is the max that I can go.
[13:24:16] <pink_vampire> 1K****
[13:24:42] <Jymmm> what spindle is this?
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[13:25:25] <pink_vampire> G0704
[13:25:26] <archivist> reduce your feed in proportion to lack of rpm
[13:25:35] <tjtr33> try to make it spin faster or live with it (fill it in with crayon and rub top smooth ;-)
[13:26:26] <pink_vampire> but I have 2 option of materials. polyamide and polycarbonate
[13:26:32] <Jymmm> "Spindle Speed: 50–2250 RPM"
[13:26:54] <pink_vampire> and I don't know what will be better...
[13:26:59] <tjtr33> try both and pick the better, all other variables seem locked
[13:27:16] <archivist> feed speed is not locked
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[13:27:33] <pink_vampire> Jymmm: you cant go more than 1000 without over heat it.
[13:27:43] <Jymmm> pink_vampire: ah
[13:29:03] <pink_vampire> so what do you think wull be bettter? polyamide or polycarbonate?
[13:29:29] <archivist> try both and tell us
[13:29:56] <tjtr33> http://www.curbellplastics.com/technical-resources/pdf/plastic-material-selection.pdf
[13:30:25] <enleth> pink_vampire: polyamide is softer, should be easier to get smooth continuous chip
[13:30:30] <pink_vampire> I know some plastics like to tear..
[13:30:41] <tjtr33> does that ^^^ suggest polyamide will handle higher temps? and maybe machine better at higher temps?
[13:30:49] <enleth> that too
[13:31:20] <enleth> polycarbonate machines pretty well but not sure about engraving
[13:32:10] <enleth> it may be more inclined to chip off under the cuttee's pressure rather than being sliced
[13:32:20] <enleth> *cutter's
[13:32:51] <pink_vampire> what is closer to plexigtass?
[13:32:57] <pink_vampire> glass*
[13:33:18] <enleth> imo polycarbonate, though it won't crack that badly
[13:33:56] <pink_vampire> foam pcv is soft and i cant machine it on my machine.
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[13:34:23] <pink_vampire> plaxiglass work very nice.
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[14:07:05] <floppydiskph> What about PETG, or is that polymide?
[14:57:46] <Tom_itx> JT-Shop- gettin soaked?
[15:01:10] <irontree9> I know g-code can convert polar coordinate systems to a regular XY grid but what if one builds a machine that is native in polar coordinates
[15:07:20] <Tom_itx> http://linuxcnc.org/docs/2.7/html/gcode/overview.html#_polar_coordinates
[15:07:21] <archivist> you might want to write your own kins for the machiine
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[15:12:00] <JT-Shop-> rain just quit
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[15:18:56] <maxcnc> hi all from a sunny sunday in germany
[15:20:26] <irontree9> hello macnc
[15:20:29] <irontree9> maxcnc,
[15:20:42] <maxcnc> hi
[15:21:00] <maxcnc> did you try and error with the stl around play
[15:21:08] <maxcnc> ;-)
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[15:21:24] <irontree9> lol no not yet, I have to get a new set of cutting bits.
[15:21:35] <irontree9> atm reading books on CNC machine design
[15:23:49] <maxcnc> keep it standard ISO and simpel and you are faster better cheeper ....
[15:24:27] <irontree9> Will do
[15:25:04] <irontree9> Thinking about building a machine that is native in polar coordinates
[15:25:17] <maxcnc> gcode generation is a lot of fun from picture or 3d to part
[15:25:47] <maxcnc> the hobby mashine is not to be in full pro production
[15:26:03] <maxcnc> if you retch tat level use a pro mashine
[15:26:30] <maxcnc> thats the only way that makes sence
[15:27:40] <irontree9> Yeah, I figure I am not going to get many hours out of my machine. But at least it is easy to repair, but it will reach a point of intolerable headaches.
[15:28:30] <maxcnc> take as money from now to that point and then go for it
[15:28:56] <maxcnc> i need to tell you that i checkt visual is running on 64bit wine ok
[15:29:22] <maxcnc> also camotic has a good simulation on 64bit ubuntu
[15:30:05] <irontree9> I am pretty happy with BlenderCAM atm and it generated good simulations as well
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[15:31:01] <maxcnc> ok try to modify the part model to make it more flat
[15:31:15] <maxcnc> legs and arms as well the hair
[15:31:25] <maxcnc> good expirences
[15:32:00] <maxcnc> grap and mve conected does the trick
[15:32:06] <irontree9> lol yeah but if I didn't make that mistake I wouldn't have learned how to deal with extreme verticals :)
[15:32:09] <maxcnc> move
[15:32:35] <irontree9> got it
[15:32:53] <maxcnc> the simulation shoudt have provented you fromo toching the real part
[15:33:23] <irontree9> I didn't know how to apply the simulator at the time of the mistake
[15:33:53] <maxcnc> as i told you real hard stuff for first part
[15:33:56] <irontree9> Saves me so much time, don't even have to run my machine to see my screw ups :)
[15:34:16] <irontree9> I like complex, I have to keep my mind busy
[15:34:30] <maxcnc> instal a simulator linuxcnc on your system it doesn not need to have RT
[15:35:03] <irontree9> I have plans to do that on my Gentoo system
[15:35:37] <maxcnc> you need to have it on the system where you generate your gcode
[15:35:47] <maxcnc> CAD CAM
[15:35:53] <irontree9> I have to chew a book first. I have to see if a CNC machine native in polar coordinates is practical or not.
[15:36:25] <maxcnc> use a used Robo from KUKA or ABB
[15:36:32] <irontree9> I just network all my computer's file systems together. Doesn't really matter what software is on what machine
[15:36:46] <irontree9> well except the CNC machine with the real time kernel
[15:37:21] <maxcnc> there are polar cams out in public
[15:38:12] * irontree9 pulls a robot arm out of his butt
[15:38:40] <maxcnc> im off BYE
[15:38:44] <irontree9> okay
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[17:06:39] <CaptHindsight> anyone get any fun stuff from Santa this year?
[17:11:27] <Tom_itx> is coal fun?
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[17:24:19] <archivist> at my age you have to get your own toys
[17:29:07] <SpeedEvil> I got a camera that is finally better than 'potato'
[17:29:20] <SpeedEvil> I am now being annoyed at the moon.
[17:29:43] <irontree9> What did the moon do?
[17:29:48] OhmEye_ is now known as OhmEye
[17:30:02] <SpeedEvil> http://imgur.com/aSrEIoU
[17:30:21] <SpeedEvil> making it impossible to see what the actual response of the camera is with long exposure
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[17:31:01] <SpeedEvil> I just wish firmware wasn't so annoying - no way to command pictures over USB
[17:31:07] <CaptHindsight> odd shaped coal, compressed heated coal, coal wrapped in paper and sold as an art supply...
[17:31:29] <archivist> over here you can get carved coal
[17:31:54] <irontree9> That is an idea
[17:32:08] <archivist> although all the deep mines have shut
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[17:32:37] <CaptHindsight> was just reading about that
[17:33:52] <CaptHindsight> cheap US shale gas
[17:34:26] <archivist> cheap coal comes in ships
[17:35:06] <CaptHindsight> how expensive are British coal mine lifts to operate?
[17:35:47] <SpeedEvil> There are no deep mines left.
[17:35:55] <SpeedEvil> They have all shut - last one a month or three ago
[17:36:13] <CaptHindsight> https://en.wikipedia.org/wiki/Kellingley_Colliery
[17:36:15] <archivist> just opencast left
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[17:37:59] <CaptHindsight> it's interesting to watch the battle between OPEC and the shale oil/gas producers
[17:38:30] <archivist> we did have a proper museum pit for a while, which I did go down
[17:38:32] <CaptHindsight> I thought OPEC was short on oil decades ago :)
[17:39:40] <archivist> politics and profit
[17:39:45] <CaptHindsight> archivist: how deep was it?
[17:40:37] <CaptHindsight> actual old mine turned museum or shallow tunnel disguised as a mine?
[17:40:45] <archivist> https://en.wikipedia.org/wiki/Chatterley_Whitfield
[17:40:51] <archivist> actual old mine
[17:41:06] <archivist> went bust, I went to the auction :)
[17:41:33] <CaptHindsight> we have one under a museum in town, but it's just a sub-basement
[17:43:08] <archivist> I forgot we still have
http://www.museumwales.ac.uk/bigpit/
[17:44:19] <CaptHindsight> the tour used to include a contained explosion of methane gas
[17:45:19] <CaptHindsight> you guys keep coal fired engines running regularly
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[17:45:53] <CaptHindsight> here it's just a handful of train museums that do
[17:46:26] <archivist> we also have
https://www.ncm.org.uk/ but that is at a micky mouse depth
[17:46:56] <archivist> 140meters
[17:47:10] <archivist> been down that one too
[17:48:14] <CaptHindsight> https://www.ncm.org.uk/system/uploads/image_content/image/8/desktop_low_res_Visitors_undergroundtours_machine0138-2_DERDS.jpg did have one of these at auction? :)
[17:49:53] <archivist> heh cant remember, I got a couple of car loads of books/mags from the archive
[17:50:24] <Jymmm> How many got one of these from Santa?
https://www.youtube.com/watch?v=YX0KO-I-uWY
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[17:52:28] <CaptHindsight> makerspace level 2 project
[17:53:54] <CaptHindsight> with never ending supply of BS
[17:54:09] <enleth> Jymmm: where'd you find that?
[17:55:56] <Jymmm> enleth: Under the xmas tree!
[18:09:21] <Jymmm> CaptHindsight: Hey now, that's _PRE_ BS! It still needs to be eaten, THEN becomes bullshit, or cow shit, or pig shit, or even chicken shit ;)
[18:10:22] <Jymmm> Nice bender
https://www.youtube.com/watch?v=MsYUKx2IsUM
[18:10:42] <enleth> Jymmm: no, that's actually bullshit mixed with hay
[18:10:54] <Jymmm> LICK IT
[18:17:21] <tiwake> https://www.youtube.com/watch?v=uCy0NEbJf4s
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[18:19:34] <maxcnc> Good evening
[18:21:39] <Jymmm> tiwake: Dude, that's SO cheesy!
[18:22:06] <tiwake> quite
[18:22:14] <tiwake> that machine moves so slow
[18:22:54] <Jymmm> Eh, 1st gen?
[18:23:18] <tiwake> no idea
[18:23:29] <tiwake> https://www.youtube.com/watch?v=gMHekZ7X3bc part 3
[18:24:03] <Jymmm> Less cheesy
https://www.youtube.com/watch?v=DQ5Elbvvr1M
[18:28:02] <Jymmm> I'd like to see more metal, be it rebar, mesh, etc
[18:29:04] <maxcnc> tiwake if you can upload the hal and ini we can help
[18:29:20] <tiwake> what?
[18:29:23] <tiwake> its not mine
[18:30:22] <maxcnc> ok
[18:40:36] <maxcnc> USA weather is wear
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[18:40:49] <maxcnc> sunny hot firer snow and water
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[18:41:56] <maxcnc> tornato blasts all over with the highest rate of renuerabel energy in the world states
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[18:45:21] <maxcnc> Gn8 have a good start to the last workweek of 2015
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[18:50:03] <g_mouer> Andy Pugh been around today?
[18:55:07] <archivist> no he is away
[18:55:43] <archivist> although he is monitoring the mailing list
[18:58:20] <Jymmm> archivist: This reminds me of you
https://www.youtube.com/watch?feature=player_detailpage&v=YX0KO-I-uWY
[18:58:27] <g_mouer> ah OK, been debugging a bldc problem with him in the forum
[18:59:52] <CaptHindsight> Jymmm: what are we drinkin today? :p
[19:00:19] <Jymmm> CaptHindsight: Not a darn thing! (which entry are you referring to?)
[19:00:41] <Jymmm> TOTALLY OSHA APPROVED
https://www.youtube.com/watch?v=dR7Gnw98E8o
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[19:02:59] <Jymmm> I kinda like it though
[19:18:18] <Tom_itx> it's got a chip guard on it, wtf do you want?
[19:21:27] <Jymmm> Tom_itx: Salsa?
[19:21:54] <Jymmm> Um, what is it?
https://www.youtube.com/watch?v=c4EWEMo3Wic
[19:25:21] <Tom_itx> lean over it and watch
[19:29:36] <Jymmm> Tom_itx: YOU FIRST, I'll watch
[19:31:19] <Jymmm> Still, what is it? I thought it was splitting LONG longs at first, then not sure.
[19:32:42] <Tom_itx> test fixture
[19:32:48] <Tom_itx> who knows
[19:33:44] <Jymmm> The sweds know ya ya
[19:36:05] <Tom_itx> you need one
[19:36:28] <Jymmm> Got old rims?
https://www.youtube.com/watch?v=a0VKvYB4xss
[19:38:52] <Tom_itx> https://www.youtube.com/watch?v=HLVPRhnphrA
[19:50:41] <g_mouer> wow a guy wants to be sure of being out of the way of the board in that wood chunker, or its instant removal of all teeth
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[20:06:57] <kengu> how much is a decent chinese(?) 1325 sized router for wood
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[20:10:28] <CaptHindsight> $1K-25K
[20:10:46] <CaptHindsight> http://www.aliexpress.com/w/wholesale-1325-cnc-router.html
[20:12:11] <kengu> a decent was the key here. the cheapest is around 4K and the ones around 1K do sound a bit .. umm.. unreliable perhaps
[20:12:53] <archivist> make your own or get industrial secondhand
[20:12:59] <CaptHindsight> $10K at Automation technologies but the site seems to be down
[20:14:14] <CaptHindsight> http://www.automationtechnologiesinc.com/products-page/cnc-router/kl-1325-cnc-machine
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[20:18:13] <CaptHindsight> http://www.ebay.com/itm/Powermatic-47-CNC-router-/131676466628 $2,750.00 or best
[20:18:48] <CaptHindsight> http://www.ebay.com/itm/MORBIDELLI-AUTHOR-504-CNC-Machining-Center-CNC-ROUTER-Working-Condition-/371334392711 $6,295.50 or best
[20:19:29] <malcom2073> kengu: Want to make your own? I have rails for a 5x10 :)
[20:19:40] <CaptHindsight> http://www.ebay.com/itm/CNC-Router-Busellato-Optima-CWA-Used-AM13917/121828282254 $5,500.00 or best
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[20:23:18] <ReadError> i keep looking at the mesa site
[20:23:30] <ReadError> and still cant figure out what to get heh
[20:23:40] <archivist> one of each
[20:23:41] <ReadError> leaning towards the 5i25 and plug and play kit
[20:23:59] <ReadError> or the ethernet setup ;(
[20:24:23] <malcom2073> Hmm, I need a tool tightening fixture
[20:24:45] <malcom2073> I went out to do some milling, realized I don't have any way to tigthen my collets. I have a wrench large enough hold the tool for tightening the endmill holders, but not the collet holders heh
[20:25:45] <g_mouer> 5i25 with 7i76 or 7i77 is extremely popular I have used them several times, they are a dream
[20:26:27] <CaptHindsight> all the kewl kids are using the Ethernet setup if they are in stock
[20:29:54] <ReadError> CaptHindsight, lol really
[20:31:13] <CaptHindsight> ReadError: even works with some laptops
[20:31:30] <ReadError> i cant find too much info on them tbh
[20:31:49] <CaptHindsight> depends on your budget, what hardware you might already have etc
[20:32:13] <CaptHindsight> PCI, PCIe or Ethernet
[20:32:49] <CaptHindsight> and also what IO you need
[20:33:45] <g_mouer> any idea what ethernet boards would be comparable to the 5i25/7i77 combo? I'd like to look them over
[20:33:51] <ReadError> yea I think the 5i25 might be a bit limited IO wise
[20:33:58] <ReadError> in terms of pins available
[20:34:48] <CaptHindsight> also type of connector you want on the FPGA card, header vs external connector vs rj45
[20:35:18] <CaptHindsight> count up you motors and types, then all your IO
[20:35:27] <CaptHindsight> then you'll know what you need
[20:36:08] <g_mouer> readerror, what sort of machine are you looking at doing?
[20:36:23] <ReadError> right now I need 2 servos + encoders, 3 steppers
[20:36:43] <ReadError> and 8 output (just high/low)
[20:36:51] <ReadError> but eventually i will need more for feeders
[20:36:57] <ReadError> g_mouer, pick-n-place
[20:37:08] <CaptHindsight> I've ended up needing more than one
http://store.mesanet.com/index.php?route=product/product&path=69_62&product_id=78
[20:39:21] <CaptHindsight> other machines just a LPT cable and BOB
[20:39:57] <g_mouer> 5i25/7i77 would give you the servo/encoder capability with a bunch of I/O and the parallel port could do the steppers.
[20:43:37] <pcw_home> with a 5I25/7i77, the second 5i25 port can do steppers also
[20:55:56] <ReadError> http://store.mesanet.com/index.php?route=product/product&path=83_86&product_id=290
[20:56:12] <ReadError> I was confused about this, it says it supports daughter cards
[20:57:13] <ReadError> but then there is the 7I80 stuff
[20:57:58] <g_mouer> the 7i76 has a rs422 serial port than can interface to the mesa super serial expansion boards
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[21:20:19] <Duc> afternoon
[21:24:27] * Loetmichel just had a discusion in another channel about old train models... which triggered me to umpack my old one i played with as a kid... after 30++ years in the cellar and 2 moves it STILL works... -> http://www.cyrom.org/palbum/main.php?g2_itemId=13743&g2_imageViewsIndex=1
[21:26:08] <CaptHindsight> Loetmichel: what gauge is that N or Z?
[21:26:15] <Loetmichel> N
[21:26:42] <CaptHindsight> we used to have N and HO
[21:27:02] <Loetmichel> https://www.youtube.com/watch?v=VW2jTGHF5BA <- proof
[21:27:45] <Jymmm> This video is private.
[21:27:47] <Tom_itx> private
[21:27:50] <CaptHindsight> I seem to recall some relatives from Germany sending us some cars that were close to N but not exact, this was probably ~1975
[21:30:07] <Loetmichel> try again
[21:30:32] <Loetmichel> CaptHindsight: east germany by any chance=
[21:30:33] <Loetmichel> ?
[21:31:09] <Jymmm> Loetmichel: Now, make it go in figure eights!!!
[21:31:58] <CaptHindsight> LOL, the ones there escaped to Poland in the late 40's, not sure if that was any better :)
[21:32:35] <Loetmichel> CaptHindsight: because i remember east germany having a "not quite N size"
[21:32:40] <Jymmm> Loetmichel: Choo Choo trains and slushy machines... reliving your youth?
https://www.youtube.com/watch?v=a9FRqvhL4vI
[21:32:44] <Loetmichel> but i cant remember the name
[21:33:03] <Loetmichel> Jymmm: more my age ;)
[21:33:11] <CaptHindsight> Loetmichel: but I don't think that they could have mailed us anything, we used to ship them supplies
[21:33:14] <Jymmm> Loetmichel: lol, carry on!!!
[21:33:54] <CaptHindsight> Loetmichel: they trains sent were probably purchased in the Munich area
[21:34:00] <Tom_itx> let your train do the typing
[21:34:31] <CaptHindsight> I just read that there was a German version of N that used larger flanges on the wheels
[21:34:37] <CaptHindsight> that must have been it
[21:36:48] <CaptHindsight> or "Many older N scale models may not run well on Code 55 track as their flanges are often unrealistically large, causing the wheels to bounce along the ties instead of ride along the railhead"
[21:39:46] <malcom2073> Nice, I have a couple of bins of O27 I've been meaning to get up and running again, love that stuff
[21:41:18] <CaptHindsight> was milling stainless 304 all day yesterday, not sure what all the hubub is all about
[21:41:41] <CaptHindsight> didn't have any issues with work hardening
[21:42:37] <Duc> 316 I think is the bad one
[21:53:21] <CaptHindsight> Gehirnfrost
[21:54:50] <Deejay> gehirnfrost? ;)
[21:57:51] <Duc> or am I thinking 410
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[22:04:54] <JT-Shop> why can't people leave the dang neutral thing alone
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[22:08:27] <g_mouer> Ok JT, I'm curious "neutral thing" ?? as in the white wire?
[22:08:54] <PCW> ReadError: the 7I76E has the normal 7I76 I/O but also has 2 expansion ports to add additional daughtercards
[22:08:56] <PCW> so for example you could have a 7I76E + a 7I76 +a 7I77 for 10 step/dir channels, 96 12/24v inputs, 48 12/24V outputs,
[22:08:57] <PCW> 8 encoder inputs, 6 analog +-10V outputs, 2 analog 0 to10V isolated outputs, and 3 RS=422 expansion ports for more I/O
[22:08:59] <PCW> g_mouer: a 7I92 will work with a 7I77 (or a 7I80DB)
[22:11:11] <g_mouer> how do I post a screenshot here?
[22:11:24] <CaptHindsight> imagebin.ca
[22:11:37] <CaptHindsight> some prefer imgur.com
[22:11:56] <Duc> PCW: Have you run into a issue of linuxcnc not seeing encoder pulses when they are very small. I can watch my X-axis jitter very little which over times is a full rotation of the shaft over 15 mins but no raw counts show on linuxcnc but yaskawa software shows change. Encoder set to 2048 P/R. I raise it alot more
[22:12:01] <JT-Shop> g_mouer: on the mailing list
[22:12:17] <g_mouer> PCW, I have a screenshot of andy's bldc doing fanuc grey code to 3 hall signals, very wierd hall output pattern
[22:13:10] <CaptHindsight> Duc: you might want to clarify "small" do you mean short (high frequency) or too low a voltage
[22:13:35] <g_mouer> http://ibin.co/2RR9gLjXKTax
[22:14:06] <g_mouer> thanks JT, I don't do the mail list
[22:14:22] <Duc> CaptHindsight: would it filter out raw counts of 1 if it doesnt see any more and consider those noise
[22:17:13] <g_mouer> I did post it in a forum thread though, was hoping to catch andy here
[22:17:26] <Duc> The shaft is jittering and after long enough it will make a full rev without linuxcnc noticing. Now it does notice if I move the shaft a tick
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[22:42:37] <zeeshan> duc that sounds like a problem =/
[22:42:43] <zeeshan> losing position just over time.
[22:43:45] <Duc> yea wonder if the filter is catching the one raw count due to time
[22:49:17] <PCW> Duc: the filter limits the maximum count rate, it will not cause loss of counts at low speeds
[22:49:58] <Duc> maybe its something to do with the yaskawa settings then
[22:50:43] <Duc> might be to small of moves each time for the servopacks to send a signal for
[22:51:31] <PCW> that i, if a A or B pulse width is too low to count due to a reversal its lost but causes no count loss ( the temporary quadrature state is simply not seen )
[22:52:30] <Duc> ah would increase the pulse rant help with the problem. Maybe go about 2048 P/R. I think I can do 8,000+
[22:52:47] <PCW> if you have count loss it may be noise (make sure your differential signals are correct)
[22:53:27] <Duc> I will double check them
[22:54:34] <PCW> a volmeter _across_ the differential pairs is a good diagnostic
[22:54:59] <Duc> what should I read?
[22:55:07] <Duc> voltage or Ohm check
[22:55:07] <PCW> also make sure the 7I77 is jumpered for differential mode
[22:55:54] <Duc> Ill check real check
[22:56:35] <PCW> voltage should read +3 to +5V or -3 to -5V depending on state ( never anything else )
[22:57:31] <Duc> each pair should read that
[22:57:44] <PCW> Yes
[22:58:39] <Duc> ok all jumpers are set for differential
[22:58:51] <Deejay> gn8
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[23:01:21] <PCW> also make sure the hm2 encoders are set for quadrature mode (I would expect them to be)
[23:01:23] <PCW> up/down mode will count quadrature (at 1X) but will lose counts on reversals
[23:01:43] <Duc> signals are in the low 1v to 2v range
[23:01:57] <Duc> IDX is at 2.8
[23:02:34] <Duc> so far I have 3 encoders hooked up
[23:02:38] <PCW> if they are jittering around you will get low voltages
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[23:03:34] <Duc> anyway to increase the voltage? to register
[23:03:39] <PCW> probably need to disable the drives to check
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[23:04:30] <Duc> with the drives disabled I get 2.7v
[23:05:29] <PCW> and -2.7? ( need to wiggle the shaft to get the other state )
[23:06:13] <Duc> yes
[23:08:27] <Duc> I have a 5v 5AMP power supply arriving on wed to supply the 7i77 card
[23:08:55] <PCW> OK that sounds OK
[23:08:57] <PCW> do you have the encoder counter mode correct? ( set false for quadrature )
[23:09:23] <Duc> where would I find that setting
[23:09:30] <PCW> ( I would think pncconf does this by default )
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[23:09:42] <PCW> in the hal file
[23:10:11] <Duc> counter-mode is a 0
[23:10:27] <PCW> also if it is a noise issue you can try turning on the encoder filter bit
[23:11:11] <Duc> that is set at a 1
[23:11:36] <PCW> well not sure whats going on then
[23:12:00] <Duc> only one axis is having this problem
[23:12:03] <Duc> so far
[23:12:25] <Duc> there is no load on the drives just yet either
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[23:13:07] <PCW> maybe something setup wrong in the drive? quadrature is normally pretty reliable
[23:13:38] <Duc> maybe Ive been trying to compare the difference between the drive parameters but nothing sticks out yet
[23:13:51] <Duc> going to see if I increase the pulse counts if that will help
[23:14:03] <PCW> ( and lost/jgained counts are almost always noise related )
[23:15:05] <Duc> but I dont know what the yaskawa drives themselves filter since it goes from a absolute to incr in the drive itself
[23:16:08] <Duc> be better if the drives were completely dummy systems
[23:19:08] <Duc> no help by doubling it. I do see some raw counts coming thru now but not enough to keep it still
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[23:24:54] <bpuk> Good evening all, Random Question of the Day: On industrial VMC's - do they require a complete power down to add/remove a 4th axis - if not how do they do it?
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