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[00:03:42] <Jymmm> man that was hard (tossing pc gear to the curb)
[00:04:08] <Jymmm> still more to go too
[00:04:26] <kwallace2> PCW_ , Thanks.
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[00:21:16] <Jymmm> 7 systems down...
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[00:40:30] <Valen> does usb boot work for testing emc?
[00:40:37] <Valen> wanting to do some latency tests
[00:40:47] <Jymmm> yep
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[01:30:22] <Valen> heres a question, If I have a scale and an encoder, can I somehow magic the two together for better accuracy?
[01:31:04] <Valen> IE i have the scale as an absolute reference, then use the encoder as a "bad" reference in between the scales counts
[01:54:30] <cmorley> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Combining_Two_Feedback_Devices_On_One_Axis
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[02:43:57] <grandixximo> I'm trying to install joint_axes3 branch, i get a libmodbus-dev dependecie, but i don't find a libmodbus for lucid, do i need to install precise for this branch?
[02:44:48] <grandixximo> there are source for precise and for lucid?
[03:02:42] <jesseg> Howdy Folks
[03:10:34] <jesseg> I'm trying to compile LinuxCNC because there is no package for my distro. ./configure is asking fo rthe path to the RT dir... where is the RT dir and where do I get it? What is it? Is it a subfolder in the kernel sources?
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[03:39:23] <IndianaTux> hi all, trying to setup linuxcnc using an lpt port driving Popolus A4988 step motor driver. motor hums but does not move. any hints?
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[03:43:31] <pcw_home> What tune is it humming?
[03:46:18] <pcw_home> does it hum when idle or when you move/jog
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[03:47:12] <ReadError> another reprap'er
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[03:49:08] <IndianaTux> pcw_home, well i am just going through the step wizard right now.
[03:49:25] <IndianaTux> only have the x axic connected to test
[03:50:37] <IndianaTux> when i test the axis, the step motor clicks and seems to want to move but does not.
[03:51:38] <IndianaTux> is there and docs about wiring when using the A4988 with a parallel port ?
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[04:37:35] <gambakufu> is it possible to auto-generate a .stepconf file from the actual configuration files? (.ini,.hal...) I have the config files, and I lost the .stepconf file...
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[04:58:42] <grandixximo> I'm trying to get joint_axes3 branch to work
[04:58:49] <grandixximo> i managed to install it from source
[04:59:10] <grandixximo> but i cannot find a setting that works with it
[04:59:29] <grandixximo> it's stating axis.0.pos-cmd pin does not exist
[04:59:52] <grandixximo> but stepgen has decleared them, should it be joint.0.pos-cmd?
[05:00:49] <grandixximo> is there an example config file for joint_axes3 branch
[05:00:49] <grandixximo> ?
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[05:19:43] <pcw_home> do 'halcmd show all' to see what you have
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[05:42:52] <grandixximo> where do i do that?
[05:42:59] <grandixximo> in the terminal?
[05:43:37] <grandixximo> i have no idea how to set the INI file either and how does gentrivkins connect the axis together?
[05:45:01] <grandixximo> joint_axes3 is completly different, i want to use the gentrivkins to work with a machine in gantry on the Y axis
[05:45:18] <grandixximo> I can't figure out how
[05:47:01] <grandixximo> my problem now is that when i load gentrivkins, the joints and axis are already linked x with 0 y with 1 z with 2 a with 3, how do i go to change that link and connect only X to joint 0 Y to joint1 and 2 and Z to joint3?
[05:47:38] <grandixximo> i try with loadrt gentrivkins coordinates=XYYZ
[05:47:44] <grandixximo> it's not working
[05:48:35] <grandixximo> and in ini file i had to add [KINS] and set my joint = 4
[05:48:58] <grandixximo> i'm starting from the original stepper gantry configuration
[05:49:58] <grandixximo> is there a simple configuration of a gantry with gentrivkins around?
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[06:49:30] <DJ9DJ> moin
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[07:27:51] <jesseg> So once I have my kernel compiled with RT support, what directory do I tell LinuxCNC's ./configure script to look for the real time directory? The whole kernel source?
[07:28:22] <jesseg> Or do I create an empty directory and point it there?
[07:29:17] <archivist> instructions are on the wiki IIRC
[07:29:53] <jesseg> Thanks! I'm kind of new to this.. Not sure I know where the wiki is but I will look
[07:30:18] <archivist> I would just use the CD as its all done for you
[07:30:39] <jesseg> <- diehard slackware user :P
[07:30:55] <archivist> building you own kernel is the hard way
[07:31:23] <jesseg> Been building kernels for 10 years. It was hard on a 25Mhz 386. Took days.
[07:32:08] <jesseg> Will look for wiki
[07:35:57] <archivist> configure should find stuff anyway
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[07:36:35] <jesseg> Hmmm. Is the RT patch a LinuxCNC specific patch?
[07:36:49] <jesseg> I am trying to general patch provided by kernel.org
[07:37:12] <jesseg> some wiki.linuxcnc page suggests getting a hal-linux.2.6.10...
[08:07:39] <jesseg> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?RtaiSteps
[08:07:52] <jesseg> Seems to have broken links and is a little confused.. or I'm confused..
[08:09:37] <archivist> there have been some disparaging remarks about the instructions, they need keeping up to date but.....users dont
[08:21:03] <jesseg> Thanks. I'm off to bed.
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[08:31:16] <jesseg> You're right this is hard..Too much guessing.. Maybe I'll just stick to finishing my perl gcode interpreter :P
[08:31:17] <jesseg> Night
[08:31:56] <archivist> now that is even sillier :)
[08:32:07] <archivist> do it in phph
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[08:50:00] <Valen> howdy ho archivist
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[09:53:01] <archivist> ello Valen
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[15:30:10] <CaptHindsight> andypugh:
http://phys.org/news/2013-08-chemists-fresh-approach-alloy-nanomaterials.html
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[15:31:00] <abetusk> I know this isn't specifically LinuxCNC, so I hope you'll forgive me asking, but does anyone have any tips on cutting FR4 out? What type of bits to use, the feed rate and depth, etc.?
[15:31:16] <Tom_itx> carbide router bits
[15:31:21] <Tom_itx> very high rpm
[15:31:33] <Tom_itx> only as deep as the copper
[15:32:01] <Tom_itx> FR4 is quite abrasive
[15:35:02] <archivist> the pro machines are at 60k rpm
[15:35:53] <Tom_itx> yeah they get right with the program
[15:35:55] <cpresser_> abetusk: i use 2mm endmills at about 20k RPM
[15:36:12] <cpresser_> "diamond-tooth-endmills"
[15:36:27] <abetusk> cpresser_, feed rate? depth at each pass/
[15:36:30] <abetusk> ?
[15:36:33] <cpresser_> http://www.gis-tec.com/images/fraeser_fpcb_cr_0200_800x600_b.jpg
[15:36:40] <Tom_itx> full depth if you're cutting slots
[15:36:41] <Tom_itx> etc
[15:37:01] <cpresser_> always full depth. 2passes didnt work out to well for me
[15:37:08] <cpresser_> feed-rate about 600mm/min
[15:37:22] <cpresser_> but you will have to experiment by yourself :)
[15:37:36] <abetusk> The FR4 I have could be upwards of 2mm thick...You think I really should do this in a single pass?
[15:38:12] <abetusk> Tom_itx, I don't mean for milling, I mean for cutting out panels or the like
[15:38:35] <abetusk> hmm, that didn't come out right
[15:39:10] <abetusk> I have already milled my circuit board. I would now like to cut out the squares in the FR4 that hold the circuit....
[15:39:17] <cpresser_> the limiting factor is the tools strengt. if you go to fast/deep it will break
[15:39:22] <syyl_ws_> for fr4 i prefer diamond coated endmills...
[15:39:33] <syyl_ws_> with diamond-tothing
[15:40:17] <cpresser_> https://ca.rstenpresser.de/~cpresser/tmp/pictures/copter/quetsch/IMG_1007.small.jpg
[15:40:41] <cpresser_> i did that with F1400 (F250 for plunge-moves) with a 2mm endmill in 1.5mm FR4 in a single pass
[15:49:40] <cpresser_> if your geometry allows it choose larger tools. it makes live much easier
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[16:18:34] <abetusk> cpresser_, wait, isn't 'F' the feed rate? So is the feed rate you were using 1400 mm / min or 600mm/ min?
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[16:20:02] <roh> i used diamond coated endmills as well. but i do not remember how many passes i made.
[16:20:09] <roh> in fr4
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[16:31:13] <Tom_itx> abetusk: also, endmills for FR4 are made different than regular endmills
[16:32:20] <abetusk> Like the one cpresser_ linked to? It looks kind of like chicken wire on the column?
[16:32:33] <Tom_itx> probably, i didn't click
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[16:32:54] <Tom_itx> like a diamond knurl?
[16:32:56] <Tom_itx> probably so
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[16:34:24] <abetusk> Google images look very similar to what cpresser_ linked, so yes?
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[16:48:03] <IchGuckLive> hi all
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[16:55:51] <IchGuckLive> Black rock city center camp opend today JEH Burningman is on the way for 2013c
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[17:41:42] <IchGuckLive> im off BBQ nice weather in germany BY
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[17:52:28] <jesseg> Das Vetter ist Gutten? :P
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[20:23:01] <archivist> hmm tomorrow I shall cut a generated 29 tooth straight bevel gear for the first time. did the gcode today and tested with some air cutting
[20:30:37] <archivist> open question left how many passes/facets to get a "good enough" tooth profile or curve
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[20:46:46] <AR_> about 12
[20:50:05] <gene78> Bit of advice guys. I've been buying my 1/2" thick micarta sheets to make pallets for holding PCB's to route them, from Hyland Hdwe in Hotlanta.
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[20:51:39] <gene78> But the last sheet does not have marbled coating that faintly resembles formica. And I'm crushing it to beat the band with the table clamps.
[20:52:33] <gene78> The current PCB I am digging 5 thou deeper than ever before because its cold flowing.
[20:53:14] <gene78> So, where can I buy good solid micarta sheet, 2 sq foot or so at a time?
[20:53:26] <AR_> why does it need to be micarta
[20:54:16] <gene78> Insulation mostly since I'm using a probe contact to set z at 0.0000
[20:55:42] <gene78> This pocket was machined a week ago, and is now nearly 10 thou off, never been out from under the clamps.
[20:56:53] <gene78> Any other ideas for an insulated pallet?
[20:58:47] <AR_> delrin?
[20:59:22] <gene78> Walks around with humidity I hear
[21:00:09] <AR_> you could make an aluminum one and just insulate under it and under the clamps
[21:00:39] <AR_> i'm assuming you need the insulation because your machine is all metal
[21:01:07] <gene78> At any rate, I think one of these is all I'll do, its basically a test the idea piece, yes, all metal. a beefed up X1.
[21:02:12] <gene78> I thought of that, but the first step of the make is a fin on the bottom that forcably aligns it with the T slots.
[21:02:34] <AR_> so you are too lazy to indicate it in? :P
[21:03:51] <gene78> Probably, I thought of mapping it, but my Z isn't that precise for small motions that would be needed in the middle of a long cut.
[21:05:40] <gene78> This pallet is cut for this board, the next one will be 2-3x bigger both dirs, the biggest thing we can getout of the free eagle, about 4x4"
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[21:07:12] <gene78> So this pallet, now that I know its junk, goes out with the trash next Wednesday morning.
[21:25:39] <JT-Shop> anyone want to test my G code generator for tapped holes on a mill?
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[21:29:25] <DJ9DJ> gn8
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[21:43:09] <AR_> gene78, you could just machine it flat again
[21:43:13] <AR_> right before doing a board
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