Back
[00:01:07] <Tom_itx> http://unitednuclear.com/index.php?main_page=product_info&cPath=70_71&products_id=285
[00:01:13] <Tom_itx> you can own your very own
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[00:03:36] <JT-Shop> my buddy has to move a permanent magnet MRI soon and he said if you get a wheel chair stuck to it 4 guys can't get it off
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[00:04:21] <A2Sheds> a don't try to park your car next to one either
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[00:05:48] * JT-Shop wonders how in the heck they ship one with that size magnet
[00:07:49] <ve7it> it would be fun to watch the ups guy try to get it off the truck
[00:07:51] <JT-Shop> ok, I have a pencil drawing of a knife blank from a 14 year old kid who want's to make one with his mother... how to get that to a dxf is the question
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[00:10:11] <alex_joni> Tom_itx: a bit pricey
[00:10:42] <JT-Shop> I have a photo of it open in gimp with a 6" scale for sizing
[00:11:31] <alex_joni> http://www.ebay.de/itm/NEODYM-MAGNET-SCHEIBE-WoW-100x20mm-N52-550kg-/250881029070
[00:12:01] <alex_joni> my cad program imports pictures
[00:12:08] <alex_joni> maybe yours does too?
[00:12:23] <alex_joni> import picture, draw on top of it
[00:12:49] <JT-Shop> ok, I'll try that
[00:14:59] <alex_joni> haha, as use-case examples they write fridge magnet =))
[00:15:11] <JT-Shop> yuck SW wants a vector file
[00:15:44] <A2Sheds> they just ship the magnet with a few inches of non-ferrous padding
[00:16:01] <A2Sheds> or in a wood block
[00:16:42] <alex_joni> JT-Shop: maybe try to convert it with inkscape?
[00:17:02] <alex_joni> there was a post on the users list a couple days/weeks ago
[00:17:11] <alex_joni> how to get from drawing to cnc
[00:17:20] <JT-Shop> Ok, I'll have to try that
[00:17:27] <JT-Shop> I kinda remember that one
[00:18:46] <JT-Shop> ah, time to slip on the chef hat and dump out a tin of hamburger helper into a skillet
[00:22:43] <alex_joni> it's time of lent for me
[00:23:18] <Turtl3boi> anyone got a cheap CNC router table for sale
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[00:30:46] <A2Sheds> cheap?
[00:31:58] <A2Sheds> as in low cost or as in 3/4" plywood and a couple of saw horses?
[00:34:07] <Turtl3boi> cheap as in USED
[00:34:32] <Turtl3boi> cheap as in, just the table with no steppers
[00:34:37] <jthornton> you can make one if you have a Tom Mix pocket knife and a bit of twine
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[00:45:02] <jthornton> anyone old enough to remember Tom Mix?
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[01:24:40] <Jymmm> Tom Collins Mix
[01:26:07] <Jymmm> JT-Shop: Tom Collins Mix
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[01:33:34] <alex_joni> night y'all
[01:36:40] <pfred1> nite
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[01:41:55] <elmo40> good drink
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[02:00:55] <elmo40> i thihk this is the first time i've seen Digital Machinist.
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[02:03:22] <elmo40> not bad. most articles are with Mach3 or Tormach related but there is an article (part 3 of 3) using EMC2 :)
[02:10:04] <Gast893> digital machinist?
[02:10:20] <Gast893> digital machinist?
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[02:13:19] <elmo40> agazine
[02:13:22] <elmo40> *magazine
[02:14:01] <elmo40> i am looking for back issues. to find part 1 and part 2 of the 'Building a Simple Servo Mill' article.
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[02:17:15] <Turtl3boi> hook me up when u find it
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[02:25:25] <tom3p> hints on truing drill chuck? how to lock the jaws before removing the pin they clamped on, so i can id grind the faces?
[02:25:59] <tom3p> old popular mechanics reprint said to solder the jaws inplace ( woot! big ass soldering gun needed )
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[02:40:19] <elmo40> or torch
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[02:43:15] <tom3p> thx gotta go
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[07:42:36] <aitalmac> hello everyone
[07:44:18] <aitalmac> what is the best way to make a rack automatic tool change
[07:45:30] <aitalmac> I have make already setup an ATC by Ocode
[07:45:49] <aitalmac> but it turns out with some issue due to run from line
[07:46:06] <mhaberler> assuming you use master, you could look into adapting this for your needs:
http://git.linuxcnc.org/gitweb?p=emc2.git;a=tree;f=configs/sim/remap/rack-toolchange;h=4662e1941be0ba2470de12bb613515027311288f;hb=e693cca20504dd8d3195abceca97e21fa58bf752
[07:46:26] <mhaberler> is that what you are using, and what exactly is 'some issue'?
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[07:47:08] <aitalmac> you know what i'm talking about, the run from line bug
[07:47:28] <aitalmac> It's fine i have read your post and i know it will take time to fix it
[07:47:39] <aitalmac> But i need to find a work around
[07:48:40] <mhaberler> are you Mr grandixximo from sourceforge?
[07:49:45] <aitalmac> yes
[07:49:52] <mhaberler> aha
[07:49:58] <aitalmac> sorry for the change of name
[07:50:10] <aitalmac> Do you not like me?
[07:50:26] <mhaberler> no it's fine, I'm just confused by multiple identities
[07:50:40] <aitalmac> Yeah i apologize for that
[07:50:54] <mhaberler> sometimes it does make sense..
[07:51:43] <aitalmac> i have a question, the tool changer that you showed me would it be a problem if i have more tools in the same pocket?
[07:52:06] <aitalmac> i use wheel tools one over the other on the same tool cone
[07:52:29] <aitalmac> so i have 2 or 3 tools in the same pocket
[07:52:44] <aitalmac> but i read in the readme This assumes tool number == pocket number; the pocket number in the tool.tbl is currently ignored.
[07:54:34] <mhaberler> do you have an image or video to help me understand this?
[07:54:47] <aitalmac> Yes give me a second
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[07:57:58] <aitalmac> youtube.com/watch?v=RwdwrTO6PtQ
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[07:58:54] <aitalmac> i have type by hand so i'm not sure it's right, is it working?
[08:00:21] <aitalmac> http://www.youtube.com/watch?v=RwdwrTO6PtQ
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[08:05:13] <mhaberler> yes, works
[08:05:37] <aitalmac> ok
[08:08:28] <mhaberler> that looks like a 1-tool-per-pocket racktoolchanger to me?
[08:09:07] <aitalmac> no there are 2 tools in pocket 3
[08:09:15] <aitalmac> in the last pocket also
[08:09:27] <mhaberler> ah, I see
[08:09:30] <aitalmac> the tools have different diameters
[08:09:35] <mhaberler> that's new to me ;)
[08:09:44] <aitalmac> and different Z
[08:09:54] <aitalmac> the machine works with cutter compensation
[08:10:04] <mhaberler> I get it
[08:10:38] <aitalmac> Ok you think i should still get the git code and work on that?
[08:11:06] <mhaberler> let me think about it a bit first
[08:11:17] <aitalmac> ok
[08:11:18] <mhaberler> need a doppio espresso
[08:11:31] <aitalmac> i'll have one too
[08:13:33] <aitalmac> do you speak italian?
[08:14:18] <mhaberler> I can read headlines.. had latin in school. that's about it.. for severe cases, google translate is my friend
[08:15:16] <mhaberler> here's an idea
[08:16:01] <mhaberler> your machine has 8 pockets but more than one tool per pocket
[08:16:11] <aitalmac> yes
[08:16:16] <mhaberler> so assume you define 16 tools in the table
[08:16:49] <mhaberler> in the prepare procedure, one would have to compute the 'proper' pocket number from the desired tool
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[08:17:14] <mhaberler> I know about the limitations of the current data model which is aaaaaaaaargh
[08:17:35] <aitalmac> lol
[08:17:52] <mhaberler> maybe you can work with the tool == pocket identity and take pocket = (toolnumber modulo 8)
[08:18:01] <mhaberler> modulo 8
[08:18:14] <mhaberler> understand what I mean?
[08:18:30] <aitalmac> what is modulo 8?
[08:18:50] <mhaberler> integer division remainder
[08:19:00] <mhaberler> 8 mod 8 = 0
[08:19:04] <mhaberler> 9 mod 8 = 1
[08:19:31] <aitalmac> ok
[08:19:45] <mhaberler> in Python it's the % operator
[08:20:00] <mhaberler> yep, that could work
[08:20:59] <mhaberler> hold on
[08:21:08] <aitalmac> like the first 8 tools will be reserved for the first pocket?
[08:21:35] <mhaberler> modulo is bull
[08:23:06] <mhaberler> basically you compute an artificial pocket number from the tool, and use offsets/crc from the tool entry which ranges from 1..16 so they have individual offsets and dia
[08:23:21] <mhaberler> or 1..24 if you have triple tools
[08:24:01] <mhaberler> its integer division, not integer remainder
[08:25:00] <mhaberler> no I was right, its modulo
[08:25:18] <mhaberler> tool 1,9 = pocket 1 ; pocket = toolno % 8
[08:25:35] <mhaberler> tool 2,10 = pocket 2; again pocket = toolno % 8
[08:26:17] <mhaberler> tool 1 and 9 are the same tool, just different offsets/dia
[08:26:47] <aitalmac> Oh
[08:27:22] <mhaberler> understand what I mean?
[08:27:57] <mhaberler> in the prepare procedure, you'd compute pocket = toolno mod 8 and move to it
[08:27:59] <aitalmac> So this will work fine as long as i stay inside 16 tool, but i can make it bigger, like modulo 1000
[08:28:27] <mhaberler> parameters are arbitrary
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[08:28:47] <mhaberler> 2^32 is your limit ;-)
[08:29:32] <aitalmac> 4 294 967 296
[08:29:39] <aitalmac> that is a big limit
[08:29:42] <mhaberler> whale of a magazine
[08:31:16] <mhaberler> ok, fine if you find your way; if not: do you have a way of pushing your config to a git repo?
[08:31:20] <aitalmac> Ok thank you so much for your help, i'll save this conversation, and work on the git code, thank you again
[08:31:53] <mhaberler> ok, let me know how it works out
[08:32:40] <aitalmac> i'll let you know for sure, have a nice day
[08:32:43] <mhaberler> note the racktoolchanger demo I noted above was NOT tested on a real machine.. it was an example
[08:32:54] <mhaberler> cu
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[09:02:00] <aitalmac> Dear mhaberler if you still have sometime, i have propose the solution to my partner but he does not like it, he wants the machine to be compatible with commercial cam, and this rack tool change will not allow that, do you have any idea on how to implement a standard ATC in the machine, is there something in development?
[09:03:21] <aitalmac> what he would love to see is that the machine will manage everything about the ATC what i have to give it is just the T#M6 the machine knows each tools is in which pocket, and it knows the ATC sequence
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[09:03:58] <aitalmac> and all positions for the pockets are in the machine
[09:06:25] <aitalmac> so i just send T#M6 in the G-code and the machine does the rest, is there no one who has implemented something like this in EMC?
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[09:15:59] <aitalmac> Dear mhaberler if you still have sometime, i have propose the solution to my partner but he does not like it, he wants the machine to be compatible with commercial cam, and this rack tool change will not allow that, do you have any idea on how to implement a standard ATC in the machine, is there something in development?
[09:16:08] <aitalmac> what he would love to see is that the machine will manage everything about the ATC what i have to give it is just the T#M6 the machine knows each tools is in which pocket, and it knows the ATC sequence
[09:16:19] <aitalmac> and all positions for the pockets are in the machine
[09:16:29] <aitalmac> so i just send T#M6 in the G-code and the machine does the rest, is there no one who has implemented something like this in EMC?
[09:17:40] <mhaberler> well but that is exactly how it will work - the only thing special is the tool numbering - you need to know t1m6 will select the tool in pocket 1 'lower tool' and t8m6 will select tool in pocket 1 "upper tool"
[09:17:50] <mhaberler> could it be we have some misunderstanding?
[09:18:11] <aitalmac> no i got you
[09:18:26] <mhaberler> all the pocket computation logic will hide behind the T<toolnumber> command
[09:18:26] <aitalmac> he want to be able to put any tool in any pocket
[09:18:33] <aitalmac> that is how it shoul;d work
[09:19:15] <aitalmac> Yes but you would have to know that T1 and T8 are in pocket 1 without this knowledge you cannot work with the machine
[09:20:05] <mhaberler> I agree this is how it 'should' work; this will involve a change to the C source code to not fiddle with the pocket number and leave that alone; then it's possible
[09:20:41] <aitalmac> the C source of the git you sent me only that right?
[09:20:58] <mhaberler> no, it's an additional change
[09:21:21] <mhaberler> the current code ignores the pocket number if its not a RANDOM_TOOLCHANGER
[09:21:35] <mhaberler> that needs to be overridden by yet another option
[09:21:49] <mhaberler> it is possible, but an extra wart
[09:22:30] <mhaberler> the proposal I outlined would work with just configuration, no C source changes
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[09:38:17] <aitalmac> i need to change the C source of EMC to make it work as it should am i right?
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[10:10:58] <Mjolinor> can anyone tell me the connections that make motion.spindle.speed.out increase
[10:11:28] <Mjolinor> one clicks a + button in EMC and motion,spindle.speed.out increases but I can't find the connections between the button adn the signal
[10:12:18] <mhaberler> look at halui
[10:12:26] <Mjolinor> I have :)
[10:12:44] <Mjolinor> iLL GIVE IT ANOTHER GO THEN
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[10:32:28] <Mjolinor> that worked, cheers :)
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[10:40:49] <Mjolinor> or not :(
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[11:38:57] <awallin> anyone hooked up a matrix keypad to emc2?
[11:39:15] <awallin> http://www.8051projects.net/keypad-interfacing/keypad-schematic.gif
[11:40:07] <jdhNC> you could deal with it in ladder easily.
[11:47:10] <jdhNC> or make it a USB HID with
http://www.pjrc.com/teensy/index.html
[11:48:16] <awallin> I looked at pokey, it looks like a 1:1 arduino copy?
[11:48:34] <awallin> http://www.cnc4pc.com/Store/osc/advanced_search_result.php?keywords=pokey
[11:51:11] <jdhNC> certainliy similar anyway. That's a nice thing about open source projects, you can take others work in a slightly different direction.
[11:51:32] <TekniQue> I don't see any resemblence
[11:51:50] <TekniQue> it's a board with what is probably an ARM micro
[11:51:58] <jdhNC> it's an AVR on a board with breakout pins
[11:52:06] <TekniQue> yeah
[11:52:21] <jdhNC> the only thing that makes an arduino nice is the bootloader that makes using it trivial
[11:52:31] <TekniQue> exactly
[11:52:58] <jdhNC> http://www.cnczone.com/forums/emc_linux_enhanced_machine_control/103639-my_control_panel_emc2.html
[11:53:12] <jdhNC> matrix kb + pokeys
[11:54:00] <jthornton> I have a pokey, but never put it into a machine
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[12:18:12] <cpresser> awallin: i am using this thing together with hal_input
http://www.leobodnar.com/products/BU0836/
[12:19:01] <cpresser> one could build similar things using whatever microcontroller at hand; but i am getting lazy :)
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[12:39:42] <Valen> anybody have a howto on how to use gantrykins and home 2 steppers?
[12:40:39] <jthornton> there is a sample config set up for that
[12:40:54] <jthornton> iirc
[12:41:53] <jthornton> I think it is in 2.5
[12:42:32] <jthornton> http://git.linuxcnc.org/gitweb?p=emc2.git;a=tree;f=configs/gantry;h=5b386a07695e648112aa394c9bbc2ecf89aa798c;hb=refs/heads/v2.5_branch
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[13:15:45] <A2Sheds> does gantrykins sync two motors on one axis?
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[13:16:52] <jthornton> iirc yes
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[13:18:48] <A2Sheds> interesting the .ini has in [traj] axes=4 and coordinates x y z a
[13:19:59] <A2Sheds> more investigation needed here ;)
[13:21:06] <A2Sheds> heh axes / axis
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[13:33:45] <Loetmichel> moin bzw. mahlzeit
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[14:10:00] <awallin> was this someone hanging out here?
http://www.youtube.com/watch?v=WEI6TBwydqs
[14:10:48] <jthornton> oh, that is Andy's motor
[14:11:23] <jthornton> pretty neat!
[14:11:43] <awallin> do you know if he came up with the design himself? or are ther plans online somewhere?
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[14:12:15] <awallin> i'd like to build a direct-drive telescope mount... someday...
[14:14:20] <jthornton> I would think that he designed it himself, he is quite clever at that sort of stuff
[14:15:15] <skunkworks> yes - I think it is his design
[14:16:23] <skunkworks> jepler: : week or 2 of the arduino sending temp data into emc - no issues. Seems to be rock solid
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[15:45:38] <Loetmichel> hrm. No 4 wires shielded cable in the house... so i had the original cable and put a copper braid hose around it, and some Ferrites:
http://www.cyrom.org/palbum/main.php?g2_itemId=12560
[15:45:51] <Loetmichel> ... i hope this helps ;-)
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[16:27:24] <A2Sheds> awallin: he posted a pic or two of the innards a few days ago
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[16:30:11] <awallin> ok, here on irc? or mailinglist?
[16:33:23] <A2Sheds> https://picasaweb.google.com/108164504656404380542/Gibbs bottom row
[16:34:37] <syyl> do you want to give me your wohlhaupter for christmas?
[16:34:40] <syyl> would be nice ;)
[16:35:07] <syyl> args
[16:35:20] <syyl> that are andys pictures
[16:39:38] <awallin> A2Sheds: nice pics. I see the stator/windings. is the rotor/permanent magnet somewhere also?
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[16:40:52] <A2Sheds> awallin: that is all I saw that he posted, ask him when he's usually around in a few hours
[16:41:31] <awallin> ok
[16:46:19] <archivist> awallin, the stator is inner and magnets/rotating part outer, those bottom pics show enough
[16:46:28] <archivist> outer is on
https://picasaweb.google.com/108164504656404380542/Gibbs#5685034302549414130
[16:47:31] <awallin> hmm, is that one big permanent magnet?
[16:48:02] <archivist> you can see many magnets
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[16:48:43] <awallin> oh, ok, I thought those were bits supporting the windings
[16:49:23] <archivist> shiny niobium magnets by the look of it
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[16:51:53] <FinboySlick> Is this andy's motor?
[16:52:02] <A2Sheds> yes
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[16:52:37] <FinboySlick> Reminds me of HydroQuebec's wheelmotor that Dassault bought.
[16:54:05] <archivist> count the core poles v the number of magnets :)
[16:58:05] <A2Sheds> what's the limit for microstepping with EMC? just the base period and the motor design?
[16:58:32] <A2Sheds> I've only been using servos
[16:58:40] <jthornton> software step generation?
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[16:58:54] <A2Sheds> yes
[16:59:04] <cradek> there is no "limit for microstepping"
[16:59:23] <cradek> microsteps are something inside a motor drive
[16:59:37] <A2Sheds> I was just looking at stepconfig
[17:00:11] <cradek> stepconfig asks you that question in order to help you do the math to work out how many steps per inch or mm you have, for no other reason
[17:00:15] <jthornton> the only number that matters is scale
[17:00:15] <A2Sheds> "Driver Microstepping The amount of microstepping performed by the driver. Enter "2" for half-stepping."
[17:00:33] <A2Sheds> ah ok
[17:00:56] <cradek> for step-servos there is no such thing as microstepping
[17:01:37] <Loetmichel> cradek: just the resolution of the encoders
[17:01:43] <A2Sheds> I was looking at steppers
[17:01:52] <A2Sheds> not servos
[17:01:58] <Loetmichel> as full steps and then 1:1
[17:02:09] <Loetmichel> ah, whats that?
[17:02:19] <Loetmichel> stepper motors with Encoder feedback?
[17:05:13] <alex4nder-> hey
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[17:29:17] <Mjolinor> Im looking for a .hal example that will allow me to have a spindle start button and the + and - keys will allow me to go forwards or backwards
[17:29:29] <Mjolinor> anyone seen one?
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[17:31:22] <Mjolinor> problem being htat from full forward clicking - needs to decrewase hte PWM to 0 then increase it again, the pwmgen direction signal from a type 1 pwm does hte forwrard reverse thing OK but the PWM I cant make
[17:36:44] <cncbasher> MJolinior> have you looked at the halui_pyvcp example
[17:38:18] <Mjolinor> hmm, I was hoping not to have to use anypython things
[17:38:24] <Mjolinor> as I have never used it :)
[17:38:37] <Mjolinor> or, more specifically, no I haven't :)
[17:39:33] <cncbasher> that has just about most of what your looking for
[17:40:01] <cncbasher> what are you driving the pwm signal to ?
[17:40:16] <Mjolinor> a pin
[17:40:35] <Mjolinor> notice hte knowledgeable way in which I seem to knwo what I am talking about :)
[17:40:37] <Mjolinor> NOT
[17:40:39] <cncbasher> are you using a vfd
[17:40:48] <Mjolinor> not atht I knwo of
[17:41:01] <Mjolinor> you mean an inverter?
[17:41:05] <cncbasher> ok so what speed controller are you using
[17:41:19] <Mjolinor> a normal voltage frequecny inverter
[17:41:33] <Mjolinor> which I suppose is a VFD if you are american and speak in abbreviations :)
[17:42:16] <Mjolinor> yup, that would be a variable frequency drive
[17:42:49] <Mjolinor> assuming it isn't the secret organisation in lemony snickets series of unfortunate events
[17:43:15] <mrsun> why do they call it an inverter? :P
[17:43:22] <mrsun> its not like the frequency is only inverted? :P
[17:43:34] <cncbasher> are you converting the pwm to voltage to the invertor speed pot
[17:43:39] <Mjolinor> so yes I am using a VFD that needs 0 to 10, I have the PWM going through a low pass and an op amp to give hte 0 to 10
[17:44:16] <cncbasher> ok and a relay for fwd and rev
[17:44:28] <Mjolinor> that is all working fine, I jsut need to make pwmgen go from +100% through 0 and back to +100% and at 0 it asserts the reverse pin
[17:44:42] <Mjolinor> not a relay, jsut a pin into the inverter
[17:44:55] <cncbasher> ok everything you need is in the hal example
[17:45:08] <Mjolinor> forwzrd has priority so I will assert reverse permanently and control forward fmor the parallel port
[17:45:25] <Mjolinor> using hte PWMGEN reverse signal
[17:46:01] <Mjolinor> http://git.mah.priv.at/gitweb/emc2-dev.git/blame/6dfa053bf2d863a920e6464453affd49a325b6cb:/configs/halui_pyvcp/halui.ini
[17:46:03] <Mjolinor> that one?
[17:46:20] <cncbasher> yep thats it
[17:46:47] <Mjolinor> ok, cheers. I shall go read
[17:46:55] <Mjolinor> for another day and a half :)
[17:47:36] <Mjolinor> I got all my manual signals workign Ok from an old PS2 mouse :)
[17:47:41] <cncbasher> give it a go , just drop the files in your directory and attach the halvcp and it should work
[17:47:56] <Mjolinor> cant be doing that :o
[17:48:01] <Mjolinor> that doesn't teach me anything
[17:48:44] <cncbasher> dont worry you'll soon learn once you have that up and running
[17:49:25] <cncbasher> the vcp.xml file is the button and screen layout
[17:49:38] <cncbasher> which becomes a floating panel
[17:50:20] <Mjolinor> hmm this thing isn't using PWMGEN
[17:50:27] <cncbasher> the pyvcp. hal is the actual pin alocation
[17:52:48] <Mjolinor> it has a pin for reverse adn one for forward, that is what I am trying to avoid
[17:53:41] <cncbasher> just use one pin , and toggle to reverse only
[17:54:43] <Mjolinor> ?
[17:54:52] <Mjolinor> that is over my head
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[18:34:32] <IchGucksLive> Hi all
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[18:44:30] <alex4nder->
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[19:17:01] <Loetmichel> ok, now i got it: replaced the wire net behind the CNC to something more sorted, expecially the cable from the LED lam, which has gone beneath the STepper driver PCB, cutted 50cm ribbon cable out of the lpt connection and all is fine ;-) ->
http://www.cyrom.org/pce/minicnc_kaputt_geht2.avi
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[19:21:57] <Turtl3boi> hey Loet
[19:22:54] <Loetmichel> hey
[19:24:08] <Turtl3boi> u added wasser-kuhling to your micro router
[19:24:18] <Turtl3boi> where did you get that new spindle
[19:24:27] <Loetmichel> and a HF spindle ;-)
[19:24:32] <Loetmichel> in china ;-)
[19:24:40] <Turtl3boi> how much?
[19:25:16] <Loetmichel> 345$ + ~70$ german import tax
[19:25:20] <Loetmichel> (and VAT)
[19:25:23] <Turtl3boi> import tax!!!!!!!
[19:25:28] <Turtl3boi> holy crap
[19:25:29] <Loetmichel> spindle plus VFD
[19:25:43] <Turtl3boi> does it have ceramic bearings?
[19:25:58] <Loetmichel> no, it runs only 24kRPM
[19:26:11] <Loetmichel> normal german bearings (as for the ad ;-)
[19:26:46] <Loetmichel> http://www.ebay.de/itm/120813745732
[19:26:47] <Turtl3boi> german bearings?
[19:27:11] <Turtl3boi> lol i see
[19:27:23] <Turtl3boi> you shouldn't have to pay import tax if it uses german parts !!
[19:27:28] <Loetmichel> Features:
[19:27:28] <Loetmichel> ? This spindle motor adopts Germany imported bearing which can make it use for three times longer useful time than ordinary spindle motor.
[19:27:36] <alex4nder-> yes
[19:27:38] <Loetmichel> (qoute)
[19:27:41] <alex4nder-> ze german bearingz
[19:27:47] <Loetmichel> hrhr
[19:28:20] <Turtl3boi> hey Loet do you use Acme screws or high-end ball screws for yours?
[19:29:33] <Loetmichel> acme and PTFE nuts
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[19:30:20] <Loetmichel> see here:
http://www.cyrom.org/palbum/main.php?g2_itemId=12539&g2_imageViewsIndex=1
[19:31:03] <Loetmichel> thats the column of the CNC opened (to reconnect the little red reference switch)
[19:31:58] <Loetmichel> the dirty white plastic cylinder is the PTFE nut, sawed in half and screwed together, so one can eleminate the play
[19:32:24] <Turtl3boi> so you counter-rotate them to tighten up the play?
[19:32:29] <Loetmichel> no
[19:32:47] <Turtl3boi> you just need one fixed
[19:32:53] <Turtl3boi> and one to adjust?
[19:33:11] <Turtl3boi> what's the other side? is that a ball bearing on the bottom?
[19:33:13] <Loetmichel> screw them on the acme with one turn distance, then tighten the black screw until the play is gone
[19:33:20] <Loetmichel> Turtl3boi: it is
[19:33:57] <Turtl3boi> is this in your house or at work?
[19:34:00] <Loetmichel> a double ball bearing and a self securing nut beneath to tighten the play of the bearings out here also
[19:34:06] <Loetmichel> at home
[19:34:21] <Loetmichel> my company has no CNC ;-)
[19:34:26] <Turtl3boi> double ball bearing? what's that
[19:34:33] <Turtl3boi> is that just 2 ball bearings next to each other?
[19:35:17] <Loetmichel> exactly
[19:35:59] <Loetmichel> with a LITTLE space between the outer rings, so one can tighten them on the innser side
[19:36:56] <Turtl3boi> tighten?
[19:37:00] <Turtl3boi> how do you tighten them
[19:40:55] <Turtl3boi> also, what size is that ACME screw?
[19:41:08] <Turtl3boi> what thickness of aluminum plate did you use there?
[19:43:39] <Loetmichel> with a m6 thread on the acme end and a self-retaining nut
[19:43:54] <Loetmichel> acme is TR10mm*3mm
[19:44:00] <Loetmichel> 8mm aluminium plate
[19:44:29] <Turtl3boi> how many turns per centimeter?
[19:46:19] <Loetmichel> ahem...
[19:46:29] <Loetmichel> 10mm diamater, 3mm per turn
[19:46:35] <Loetmichel> calculate yourself ;-)
[19:48:58] <Turtl3boi> heeeeeeeey now
[19:49:56] <Turtl3boi> do you need the diameter to calculate that?
[19:50:07] <Turtl3boi> isn't it just 1cm / 3mm = turns per cm
[19:50:17] <Turtl3boi> 3.33 turns per cm
[19:56:41] <Turtl3boi> what kind of aluminum alloy?
[19:57:00] <Turtl3boi> 6061?
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[20:07:33] <Loetmichel> no idea, was scrap
[20:07:52] <Loetmichel> milling it i would say more like 7025 or so
[20:08:19] <Loetmichel> 7075, not 7025
[20:15:38] <FinboySlick> Loetmichel: How un-german of you not to categorize your scraps in a database.
[20:16:47] <Loetmichel> FinboySlick: hihi, not my scraps
[20:17:14] <FinboySlick> Just had to pick on you, it's been a few days already.
[20:17:51] * cpresser even has a catalouge of his trash :)
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[20:22:31] * FinboySlick needs to be much better organized.
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[20:23:42] <Nick001-Shop> what is function or2?
[20:24:17] <syyl_ws> i write the type of alloy on all of my scrap pieces...
[20:24:24] <syyl_ws> (very german?)
[20:24:25] <cpresser> Nick001-Shop: its binary logic. it takes two inputs and calculates the OR-function
[20:24:48] <syyl_ws> does this make any sense?
[20:24:49] <syyl_ws> net selected-jog-incr <= 0.000000
[20:24:58] <syyl_ws> pncconf puts that out
[20:25:25] <Nick001-Shop> not at all - what files should it be in?
[20:25:44] <syyl_ws> pncconf put it in the normal machine hal file
[20:26:05] <Nick001-Shop> does it work for 2.3.5?
[20:26:07] <FinboySlick> syyl_ws: Depends... If you're actually German, yes, completely normal. Otherwise... you should look into getting German citizenship ;)
[20:26:18] <syyl_ws> im german ;)
[20:26:30] <syyl_ws> get a error from it, nick
[20:26:37] <syyl_ws> (trying to get my mpg running on the mesa hardwareencoders)
[20:26:48] <syyl_ws> the encoder signal reaches the mesa card
[20:27:03] <syyl_ws> and the hardware encoder input, can see it in the hal-viewer
[20:27:13] <Nick001-Shop> this is a pico card
[20:27:45] <Nick001-Shop> i see it in the hal meter when the spindle turns
[20:28:12] <Nick001-Shop> but I cant do a g95 turn on the lathe
[20:29:16] <Nick001-Shop> g95 g01 - it moves under G00
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[20:38:12] <Nick001-Shop> any way of doing a dual boot 8.04 and 10.04?
[20:39:22] <cpresser> sure. there is no reason that this wont work
[20:42:40] <Nick001-Shop> is the info anywhere - I didn't notice anything with the live cd and allowing dual booting
[20:43:31] <Nick001-Shop> it's not on the wiki
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[21:01:20] <A2Sheds> Asus E35M1-M PRO max jitter for the servo thread if 21926ns, for the base thread it's 17598 with factory EFI BIOS
[21:01:48] <A2Sheds> AMD Fusion with APU graphics
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[21:09:50] <A2Sheds> which Atom boards have decent latency now and are still available?
[21:10:41] <Tom_itx> the D525 is ok i think
[21:12:16] <A2Sheds> thanks
[21:13:05] <Tom_itx> http://www.newegg.com/Product/Product.aspx?Item=N82E16813121442
[21:13:07] <A2Sheds> one of the coreboot devs is going to test the Asus E35M1-M PRO for latency jitter with coreboot
[21:13:27] <Tom_itx> that's what i have but it was $10 cheaper
[21:15:20] <Connor> I got mine for 75.25 a month ago. It's for a robot, not a CNC though. :)
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[21:16:26] <A2Sheds> 20uS for the Fusion APU board is fine for just about anything
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[21:30:47] <Anon5231> Hello! When running the live CD on a Dell GX150 512MB ram the only thign that shows on the screen is the Install 10.4 icon. The task bar isn't there. Is this an indication of too little resources?
[21:32:02] <cradek> > Systems with less memory may be able to select "Install Ubuntu" from the boot menu to run just the installer, rather than the whole desktop, or may be able to use the alternate install CD.
[21:32:14] <cradek> ^ (from the ubuntu wiki,
https://wiki.ubuntu.com/LucidLynx/ReleaseNotes)
[21:32:17] <cradek> so you might try that
[21:32:25] <cradek> you are right that you are very low on ram
[21:34:40] <Anon5231> I think this box is maxed out. Oh well. I have one running 2.2, so I guess I won't be upgrading that either.
[21:34:50] <cradek> we don't have a linuxcnc version of the alternate install cd, but you might certainly want to try selecting "install" from the boot menu instead of booting live.
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[21:35:54] <Anon5231> I guess I'll stick an old HD in there and see what happens.
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[21:36:52] <cradek> what OS is your emc2.2 install on?
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[21:38:02] <Anon5231> whatever was current at the time
[21:38:18] <Anon5231> sorry to very versed in linux
[21:38:22] <Anon5231> not
[21:38:34] <cradek> ok, that's not very informative :-/
[21:39:00] <Anon5231> I'll boot it.
[21:39:06] <cradek> system / about ubuntu
[21:39:37] <cradek> I ask because you can update emc without reinstalling the os. to what emc version depends on which os you have.
[21:43:57] <Anon5231> 8.04
[21:44:12] <cradek> oh then just update emc to 2.4.7
[21:45:04] <cradek> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?UpdatingTo2.4
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[21:56:29] <Loetmichel> so, the first usable parts are on the run. VERY quiet, and so fast! ->
http://www.cyrom.org/pce/Luftleitblech.avi
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[22:37:44] <Valen> We keep leaving the mill running (F2 on) which leaves the amps running and things get hot, any tips on which net to use to have it flashing a light when F2 is on?
[22:37:49] <elmo40> cradek: there is a limit to how far you can update EMC in 8.04?
[22:37:54] <elmo40> is that a lib issue?
[22:38:47] <elmo40> Loetmichel: wow, very quiet! i love it
[22:39:18] <elmo40> not a fan on how you make that hole... why lift up?
[22:39:39] <Loetmichel> elmo40: post processor for hobby use
[22:39:55] <Loetmichel> the hole is a circle in a .plt
[22:40:12] <Loetmichel> and Bocnc does it this way, why ever
[22:40:35] <elmo40> should use HeeksCNC and helical it ;)
[22:43:35] <Loetmichel> elmo40: i "paint" in Coreldraw
[22:43:44] <Loetmichel> and use Bocnc for Gcode
[22:44:11] <Loetmichel> it may be better with other tool but that is the tools i know.
[22:52:41] <elmo40> bocnc.de ?
[22:52:54] <Tom_itx> any c programmers?
[22:53:17] <Tom_itx> how to combine 8 8bit values bitH bitL into a 16bit var?
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[22:53:40] <elmo40> Loetmichel: have you seen HeeksCNC? It is a CAD/CAM program
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[22:55:09] <elmo40> http://code.google.com/p/heekscnc/
[23:01:59] <Anon2219> cradek, I did get it installed on the GX150 and it tests a reasonable 26300ns jitter. It should better when I get off the OB video. 10.4 installs with no panels on the Dell GX150 so I had to sort that, that's why the live CD came up without.
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[23:14:01] <cpresser> Tom_itx: integer i = bitH *256 + bitL
[23:14:37] <cpresser> you can also use bitH<<8 + BitL, depending on the compiler one or the other may be faster
[23:14:52] <Tom_itx> x = data[1] << 8 | data[0];
[23:14:57] <Tom_itx> what would that do?
[23:15:33] <cpresser> it should also work with the or instead of + operator, yes
[23:15:41] <Tom_itx> ok
[23:15:56] <Tom_itx> getting odd results from an adxl sensor
[23:16:06] <Tom_itx> just trying to pin point the error
[23:16:35] <cpresser> what microprocessor?
[23:16:45] <Tom_itx> avr
[23:16:59] <cpresser> mmh.. make sure none of the register reads to Low/High are latched
[23:17:12] <cpresser> this is an issue with PIC-Processors.
[23:17:54] <Tom_itx> http://codepad.org/n7L6nkha
[23:18:02] <Tom_itx> lines 37..30
[23:18:29] <Tom_itx> http://imageshack.us/f/31/paranormall.jpg/
[23:18:31] <Tom_itx> results
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[23:20:33] <cpresser> i dont know what readfile does do; but you should declare x,y,z also as unsigend type
[23:21:14] <cpresser> i thought you would be doing som A/D-Conversion with a AXDL-Sensor
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[23:24:15] <cpresser> anyway, i am off to bed now. goodnight
[23:34:03] <Tom_itx> k
[23:35:11] <Tom_itx> it's not my code but i've been trying to help someone sort it out
[23:35:38] <Tom_itx> </ot>
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