#emc | Logs for 2011-07-07

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[00:03:12] <elmo40> L84Supper: see what happens when CEO's take millions and give pennies to the workers? people feel under appreciated and have to fight to stay alive.
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[00:03:49] <elmo40> I whole heartedly blame them (and bankers... and weak small minded politicians.)
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[00:04:45] <ssi> really? under-appreciated workers steal ACs and copper wire?
[00:05:23] <ssi> I always thought it was homeless drug addicts, but maybe things are different in whatever communist regime you live in
[00:08:36] <L84Supper> ssi: the new 3rd world... USA
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[00:19:01] <elmo40> I live in the communistic Canada. people are broke. desperate and are losing their homes.
[00:19:14] <elmo40> oh, wait... thought I was in the USA for a moment
[00:19:16] <elmo40> nevermind
[00:20:07] <elmo40> but I do blame the CEO's for stealing millions that do not belong to them. and the board of directors that agree to these terms. they are all crooks and should be put in jail
[00:21:09] <elmo40> when you are the head of a multinational company that outsources to the third world and sells here for 50x the mark up, you are causing inflation.
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[00:35:08] <drmacro> hi, setting up one of the TB6560 boards. The doc for it shows X step, X direction, and X enable pin for the parallel port. What does X enable translate to in Step Conf Wizard?
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[00:48:25] <jdhNC> I wouldn't bother with hooking them up unless you have a big need for them
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[00:54:21] <drmacro> jdhNC: The question is will they just float unterminated and be happy? And if I select "unused" in Step Conf Wiz, are they held high, low, etc.?
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[00:58:47] <jdhNC> you shoudl be able to jumper them on
[00:59:09] <jdhNC> got an online manual for the board?
[01:01:33] <Eartaker> what are we talking about?
[01:02:10] <jdhNC> his tb6560 board has step/dir/enable pins for each axis
[01:02:51] <drmacro> this link has the doc: http://www.scribd.com/doc/55226617/HY-TA4DV-Four-Axis-Actuation-Board-Instruction-Booklet
[01:05:14] <jdhNC> does teh step conf wizard have an enable selection for output pins?
[01:05:15] <drmacro> THe version of the manual says "Empowered" mine must be a later version since it says "Enable"
[01:05:38] <drmacro> No, that's why I started looking around
[01:06:19] <tom3p> i want to update an offline computer built with the 10.04 live iso. its offline, so, can i get a list of the updates onto a thumb drive?
[01:07:39] <jdhNC> I would consider their pin assignments weird, but they don't really matter.
[01:07:40] <drmacro> the pendant will jog the steppers with nothing plugged into the par port, so if an pin labeled "Unused" in Step Conf is held at high impedance, it will probably be ok.
[01:09:08] <jdhNC> pin 6 is listed twice
[01:09:19] <drmacro> tom3p: google unbuntu update with thumb drive, I think there are several tuts.
[01:11:10] <tom3p> i use keryx, which knows the deb db of the offline system, but doesnt know which of ALL possible updates are important for emc2.
[01:11:16] <tom3p> thx drmacro
[01:11:35] <drmacro> jdhNC: I just noticed the version I have lists pin5 in place of 6 in both cases :/
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[01:12:23] <jdhNC> is there an amp enable choice for each axis?
[01:13:30] <drmacro> only one Amplifier Enable
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[01:14:48] <jdhNC> you could leave them undefined and see if they are driven high or low or neither
[01:15:02] <jdhNC> but, I'd guess they will be driven low
[01:16:20] <drmacro> I can hook up the o-scope...I was tryn to be lazy... :(
[01:16:46] <jdhNC> I think you will need a load to verify that they are being driven
[01:17:21] <jdhNC> there are much better people to ask, but they must be away right now.
[01:18:01] <drmacro> I'll probably pop in tomorrow eve. thx!
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[01:29:43] <Connor> Well, with a TIP120 and a cap and few resistors, I was able to setup a delay on my SSR so it'll stay on 5-7 seconds after the trigger is tuned off.
[01:34:06] <elmo40> anyone familiar with Toshiba cnc's? we have one in the shop that has the Renishaw probe receiver thing, but no probe... is there any way to setup a tool height probe instead?
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[01:41:46] <tom3p> keryx seems to be ok for net-less systems being updated using thumb drives. used it before, it gathers the deb database for the orphan on the thumb. then the thumb is taken to an online machine.
[01:42:15] <tom3p> i spose i really dont now what to update, keryx just shows me all the possibilities
[01:42:44] <tom3p> so, when poeple here talk about 'i just installed and am getting 500gig of updates'... is any of that neccesary?
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[02:00:35] <willburrrr2003> phew...finally got my spindle speed calibrated :D
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[02:02:22] <willburrrr2003> only question have now is for setting max spindl speed in emc, do I add "MAX_SPEED=1250" TO THE INI file?
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[02:52:34] <elmo40> tom3p: 500gig of updates? well, it is good practise to remove the apps you don't want/need, then update. it should reduce it to only 499gig :P
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[04:11:33] <factor> TRying to make some molds, doing it for the first time.
[04:11:51] <factor> Using that amaco mixamold stuff from hobby lobby
[04:12:23] <factor> first one I did the 1 to 1 mix but just enough to cover the part. double the mix this time to get a thicket mold.
[04:12:28] <factor> thicker^
[04:12:37] <factor> was pretty easy , also have the mold release stuff
[04:12:56] <factor> see how this one turns out , needing to make some rail wheels.
[04:13:26] <factor> use the base copy of a lego wheel.
[04:13:48] <factor> but make my own so I can drill out a thicker axle.
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[04:22:29] <jimbo132> Just picked up YAM 1428 cnc lathe. has anilam servo motors, Anilam encoders, oregon micro systems md400 servo drives. looking to convert from ah ha to emc. what would you keep and what would you change.
[04:27:45] <KimK> Got pictures?
[04:31:11] <jimbo132> where to upload
[04:32:27] <KimK> http://imagebin.org/ if they're smaller than, what, 2MB ?
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[04:53:53] <KimK> jimbo132: getting a sandwich, back in a bit
[04:56:11] <jimbo132> KimK: Images are under jimb132 nickname
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[05:17:42] <KimK> jimbo132: OK, I found four. If there are more, let me know. Here they are as direct images so Firefox can scale them automatically: http://imagebin.org/index.php?mode=image&id=161889 http://imagebin.org/index.php?mode=image&id=161890 http://imagebin.org/index.php?mode=image&id=161892 http://imagebin.org/index.php?mode=image&id=161893
[05:23:02] <jimbo132> That is all I have for now. The image of the spindle encoder is bad will have more tomorrow.
[05:23:38] <KimK> OK. Looks like you hauled this thing yourself? Quite a chore.
[05:24:43] <psha[work]> KimK: good morning
[05:25:03] <KimK> Hi Pavel, how are you?
[05:26:55] <jimbo132> KimK: Yea. It was about 150 miles from my home. 2500 lbs.
[05:27:21] <psha[work]> nice, today table with control computer will be sent to customer far away from here...
[05:29:31] <KimK> jimbo132: Short answer is you have yourself a nice analog servo system there, but somebody put those step/direction servo drivers on it, I'm trying to find a data sheet now. The so-called "stepper servos" will work, but they are not recommended, as they are kind of a waste of EMC2's talents. The encoders might be 625 line, which seems low to me. And no index? Worrying. More data needed. What does the pevious owner say, was he using it with Mach? W
[05:29:31] <KimK> hat's your budget on this?
[05:29:34] <KimK> Bah!
[05:29:56] <KimK> psha[work]: Congratulations!
[05:30:16] <psha[work]> KimK: thanks :) hope there won't be problems and i don't need to go there myself :)
[05:31:10] <KimK> psha[work]: If trouble occurs, will you drive or fly? How far away? (miles or km OK)
[05:32:55] <jimbo132> KimK: Ah-HA artisan-cnc control system.
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[05:33:37] <psha[work]> KimK: ~1100 km
[05:34:05] <psha[work]> slightly less
[05:34:16] <KimK> psha[work]: Yow! That's like, what, 700-800 miles? Yeeps!
[05:34:56] <psha[work]> however i've supplied small 'ssh -R....' script there :)
[05:35:11] <psha[work]> so if it at least boots and have internet access i'll be able to get there
[05:35:53] <KimK> Good, I hope that will handle everything for you. That would be a two-day drive, unless you're crazy.
[05:37:13] <KimK> jimbo132: You're going to EMC2? Or did the Ah-Ha come with it and you're using that?
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[05:38:19] <jimbo132> KimK: It currently has AH-HA going to EMC.
[05:40:26] <KimK> psha[work]: If you *do* have to drive there, and you have to do it in *one* day, here's a 21 second film clip for you: http://www.youtube.com/watch?v=YHa_jqxnn4o
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[05:42:40] <KimK> jimbo132: If it's operable, you at least had a chance to check it out, that's helpful.
[05:45:46] <jimbo132> KimK: Yes it works. Needs a good cleaning some rust control. Axis moves etc. Came with PC, Manual for software, etc.
[06:02:18] <KimK> I can't find a data sheet but one guy on a forum asserted that the MD400's are rated at 80V / 20A, which means they're a little small for those motors. You can probably pick up a little rapid speed (needs more voltage), and take a little heavier cut (needs more current) by putting a proper driver on it. Plus get rid of the step/dir input, yay! You can think about whether to go to higher-res encoders, depends on your budget. Later, maybe?
[06:03:57] <jimbo132> KimK: what servo driver would you use? I am asuming Mesa analg cards.
[06:04:13] <KimK> Z especially you don't want to skimp on, because drilling big holes is hard. Sometimes they even gear Z down 2:1 for that reason.
[06:04:24] <ssi> this one came out much better :D
[06:04:25] <ssi> http://www.facebook.com/photo.php?fbid=688585607472&set=a.655377347092.2151961.71107655&type=1&theater
[06:05:15] <KimK> "You must log in to see this page"
[06:05:33] <ssi> bleh sry wrong url
[06:05:34] <ssi> http://a7.sphotos.ak.fbcdn.net/hphotos-ak-snc6/264859_688585607472_71107655_34806297_44661_n.jpg
[06:05:37] <ssi> that's the one I meant :)
[06:05:55] <KimK> That works!
[06:06:41] <KimK> ssi: Looks nice, done with EMC2?
[06:06:52] <ssi> yep!
[06:07:08] <ssi> on my li'l G0602
[06:07:52] <KimK> ssi: Give jimbo132 here some encouragement, he just hauled a lathe home, plans to put EMC2 on it. We're talking about the best way to do that.
[06:08:08] <ssi> http://a7.sphotos.ak.fbcdn.net/hphotos-ak-snc6/270135_687535277342_71107655_34786634_3586596_n.jpg is what I'm using my thousands and thousands of dollars worth of homebuilt CNC equipment to avoid spending $125 on :D
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[06:09:27] <KimK> Yes, but you will have mastered a craft!
[06:09:29] <ssi> haha with a lathe as big and nice as that, I'm not sure how much encouragement he needs
[06:09:38] <ssi> damn right
[06:09:46] <ssi> plus $125 for that stupid hunk of metal is absurd
[06:10:51] <KimK> Give a man a fish and you feed him for a day, teach a man to fish... and you give up your monopoly on being the sole provider of fish.
[06:10:54] <Eartaker> sssi, wtf is that thing?
[06:11:31] <Eartaker> KimK.... give a man a match and he will be warm for a minute... set a man on fire and he will be warm for the rest of his life....
[06:11:32] <Eartaker> =]
[06:11:39] <Eartaker> always liked that one better lol
[06:11:44] <KimK> Eartaker: Good one!
[06:12:18] <ssi> Eartaker: http://www.aircraftspruce.com/catalog/appages/aqmandrel.php
[06:12:51] <ssi> those cheaper "milspec" ones btw are discontinued, no longer available
[06:13:12] <ssi> I'm pretty good friends with the manager of spruce east, and he will put my tools in the catalog if I start making them :D
[06:13:32] <Eartaker> wht do they do?
[06:13:50] <ssi> they're for assembling aeroquip 491 fuel fittings
[06:13:56] <ssi> AN fitings
[06:14:03] <ssi> hang on I have a pic
[06:14:19] <Eartaker> ahh
[06:14:48] <ssi> http://a4.sphotos.ak.fbcdn.net/hphotos-ak-snc6/263101_688586291102_71107655_34806300_5253894_n.jpg
[06:15:08] <ssi> the stem of the fitting slides over the mandrel, and the flare seats up against the taper on the mandrel
[06:15:20] <ssi> and then the nut slides over and threads onto the mandrel
[06:15:29] <ssi> then the whole thing is rigid
[06:15:42] <ssi> the stem is externally threaded, and it threads into an aluminum housing that slips over the hose
[06:15:51] <ssi> you have to cram the stem down into the hose with considerable force
[06:16:04] <ssi> and keep that force on while you get several threads engaged... if you do it wrong, it pulls out the aluminum threads in the housing
[06:16:15] <ssi> the mandrel allows you to do that without crushing anything
[06:16:21] <Eartaker> nice
[06:16:55] <KimK> jimbo132: I don't have a specific amplifier in mind. Whatever you can find that will work. You can certainly go Mesa. We can ask PCW in the morning about rectifying the UVW outputs of his big brushless amp (8i20?), and what the voltages and currents would be. Or maybe you'll find something else?
[06:17:08] <ssi> that pic is a -4 fitting, for 1/4" id hose... they make them all the way up to -32, 2" ID hose
[06:17:24] <ssi> I'm gonna make a set of the mandrels in -3 thru -12
[06:19:14] <jimbo132> KimK: sounds good. Time for bed .... night
[06:19:23] <KimK> goodnight
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[07:04:20] <Grandixximo> Hello everyone
[07:05:11] <KimK> Grandixximo: Hey
[07:05:26] <Grandixximo> I was wondering
[07:05:36] <Grandixximo> I have seen HAL command mux4
[07:06:02] <Grandixximo> and at my eyes it does something like transforming input and output in binary code
[07:06:19] <Grandixximo> I have seen it with input
[07:06:22] <Grandixximo> actually
[07:06:31] <Grandixximo> i was wondering if it will work with output
[07:06:42] <Grandixximo> and if it can mux more then 2 input or output
[07:06:46] <Grandixximo> is it possible?
[07:06:56] Eartaker is now known as Eartaker-AFK
[07:08:07] <KimK> Grandixximo: The mux4 comp is like a SP4T switch, if that makes sense. So if you needed two poles, you could use two mux4's. Does that help?
[07:09:14] <Grandixximo> http://wiki.linuxcnc.org/emcinfo.pl?Hooking_Up_A_MPG_Pendant
[07:09:18] <Grandixximo> i have see here
[07:09:37] <Grandixximo> i have 2 pin as input and i can set i think 4 different things with mux
[07:10:09] <Grandixximo> Is there something that let's me read 4-5 pins and set 16-30 different things?
[07:11:25] <KimK> Sometimes (like in your pendant article) it helps to draw out a diagram of what is going on.
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[07:12:16] <KimK> But, yes, you can combine muxs to get what you want. There may be more complex muxs so you can use fewer of them, I'd have to look.
[07:12:30] <Grandixximo> I want to control a 5 axis machine by LPT but i don't have enough pins for input and outpu, so i was thinkin if i use pins as binary i can quadruplicate my input and output
[07:12:58] <Grandixximo> with same ammount of pins
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[07:16:02] <Valen> Grandixximo: get an additional parrallel port
[07:16:15] <Valen> or some mesa hardware
[07:16:17] <Grandixximo> I have 2 LPT
[07:16:21] <Grandixximo> still not enough
[07:16:28] <Grandixximo> even i can add 2 COM
[07:16:28] <Valen> put more in
[07:16:31] <Grandixximo> still not enough
[07:16:40] <Grandixximo> And that's the maximum i can put
[07:16:45] <Valen> why?
[07:16:45] <Grandixximo> my PC only one PCI
[07:16:55] <Grandixximo> It's a mini-itx
[07:17:04] <Valen> i believe dual lpt port cards exist
[07:17:12] <Valen> so you would get 3
[07:17:14] <Grandixximo> for mini ITX?
[07:17:19] <Valen> its pci
[07:17:31] <Valen> but if you have that many i'd be looking at mesa stuff
[07:20:10] <KimK> Grandixximo: It's pricey, but you can get 6 Mesa ports out of one little PCIx slot. Maybe 4 or 6, I forgot, out of a PCI slot.
[07:21:25] <Valen> they have stuff that plugs into LPT too thats cheaper as i recall
[07:21:56] <KimK> That's right, 2 Mesa ports out of one parallel port.
[07:22:03] <Grandixximo> I can make a PCI card
[07:23:19] <KimK> You might not want to bother, the FPGA is a big BGA package, special all-at-once soldering, etc.
[07:24:10] <Valen> the mesa products are quite reasonably priced for what your getting
[07:24:20] <KimK> Well, at least on the 5i22's, maybe the 5i23 is less trouble. But it's less money too, so there you go, more easily in reach.
[07:26:06] <KimK> Grandixximo: Yes, if you want to run a 5-axis machine, you want Mesa. http://www.mesanet.com/ Look at the "anything I/O" mothercards and daughtercards.
[07:27:22] <Grandixximo> What i want to make is an external card, i connect to the LPT and i will work with it in binary code, that means that i will use for example 4 pins, i will swith all them true so 1 and that would be the number 15 output, can i make a custom HAL to control such device?
[07:27:43] <Valen> well anything is possible
[07:28:03] <KimK> Sure, you can do that.
[07:28:25] <Grandixximo> I can use either inpu or output?
[07:28:33] <Grandixximo> i need to make a custom hal right?
[07:28:38] <Grandixximo> what command should i use?
[07:28:44] <Grandixximo> any documents to read?
[07:30:43] <KimK> Best to draw a diagram of what you propose to do, and see if it is what you want, and how many I/O pins it takes. Then you can start working it into HAL.
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[07:32:49] <Grandixximo> For now i want to use 4 pins to control 15 input and 3 pins to control 7 output
[07:33:58] <Grandixximo> input number one would be 0001 and number 15 1111 output number 001 and number 7 111
[07:35:04] <Grandixximo> I don't think it's very difficult
[07:35:11] <Grandixximo> if you say it's possible i'm happy
[07:35:16] <Grandixximo> i'll study and do it
[07:36:17] <KimK> OK, well, the control pins can be the same, so you would need from your parallel port 4 control outputs, 1 signal output, and one signal input, maybe 1 strobe/latch output? How many is that, I never use the parallel port, have I run out of pins yet?
[07:37:30] <KimK> You'd have to use an external mux on your external card though.
[07:37:36] <Grandixximo> one LPT have 17 pins, i don't remember how many for in and how many for out
[07:37:43] <KimK> Too many I/O pins otherwise.
[07:37:47] <Grandixximo> yes i can do the mux on the card
[07:38:41] <Grandixximo> I just want use 4 pins that talk to me in binary code
[07:39:04] <Grandixximo> to control 16 output i think
[07:39:13] <Grandixximo> from 0000 to 1111
[07:39:19] <Grandixximo> o to 15
[07:40:24] <Grandixximo> for exaple 0111 would be output 7
[07:41:01] <Grandixximo> so i have to tell hal that when i switch output 7 it has to make pin number one false and the other pins true
[07:41:18] <KimK> I'm pretty sure there's a 16 to 1 mux/demux chip. You'd need 2 of them.
[07:41:32] <KimK> Many ways to skin the cat.
[07:42:00] <Grandixximo> I'm not the Chip guy, but i have an electronic engenere working for me, i just need tell him what i want
[07:42:01] <KimK> You could use four 8 to 1's, etc.
[07:42:38] <mazafaka_> or 4 4 to2
[07:42:41] <mazafaka_> maybe
[07:42:41] <KimK> Or ten 4 to 1's
[07:42:59] <KimK> Yes, lots of ways.
[07:43:32] <Grandixximo> My worker will manage that
[07:44:03] <Grandixximo> I just need to know it's possible to communicate in binary from and to EMC2
[07:44:15] <Grandixximo> and you say i can
[07:44:44] <Grandixximo> I'll make the card and find the way to make it work
[07:45:04] <Grandixximo> thanks all for your help
[07:45:16] <KimK> OK, good luck!
[07:46:48] <mazafaka_> How do you know of all this electronics? It's so hard to understand the way it's working...
[07:47:32] <KimK> I started out as an electronics engineer, so it's not so bad, lol.
[07:47:56] <KimK> I got into CNC and automation through the "back door", lol
[07:48:27] <Grandixximo> Just one last question, will i be slower using this system?
[07:48:30] <Grandixximo> do you think?
[07:48:53] <psha[work]> Grandixximo: with multiplexing? yes
[07:49:11] <psha[work]> i guess
[07:49:12] <psha[work]> :)
[07:49:16] <Grandixximo> I can still use for sensors like limit sensors?
[07:49:31] <Grandixximo> I will not controll motors with it
[07:49:31] <KimK> Well, I'm assuming that everything you're bringing in is hand-stuff, for a pendant. So it's slower, but your hand is slow anyway, so no big deal.
[07:49:33] <psha[work]> yes, speed there is not crucial
[07:50:06] <Grandixximo> Ok then hand speed is fine
[07:50:36] <psha[work]> if you have 4 "address" pins and 1 data pin that you want to share between 16 inputs (or outputs) then typicaly you'll heva 1/16s part of whole speed per one
[07:51:28] <Grandixximo> then it's a lot faster then what i need
[07:52:53] <psha[work]> so you'll just to need to run loop through all lanes in fast component and to "publish" decoded value into separate pins
[07:53:27] <psha[work]> mux4 looks right solution
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[09:13:16] <sagC> Anyone knows how to "measure" the correct value for the parameter bldc.X.encoder-offset (BLDC Motor with Encoder) ? I think I have a value that works by just trying different values. But that's not optimal. Which tools are necessary and how is it done?
[09:14:22] <sagC> I've already asked this 2 days ago but there was unfortunately no answer, so I try again .... and will read it if someone passes by later and has an answer.
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[09:17:39] <MrUnshine> hmm still thinking of what the coldsaw blade at my old work could be done off as it just goes on hours on end cutting steel
[09:17:42] <MrUnshine> and doesnt dull
[09:18:18] <MrUnshine> feels strange if the whole blade would be of carbide tho, can hss realy stand up to stress like that for so long time? :)
[09:18:23] <MrUnshine> they change the blade maybe once a year
[09:20:43] <MrUnshine> and it gives a very strange spark when grinding it
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[09:24:55] <mazafaka_> Hey, I once have stopped the machine. It denied to 'Home All'. Should I manually move it to Home position, or what should I do?
[09:25:43] <mazafaka_> I needed to reload the g-code from file. How do I need to move the tool to home?
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[09:32:50] <psha[work]> home all is denied either in estop or in poweroff mode
[09:39:33] <mazafaka_> ok
[09:40:08] <mazafaka_> May I say milling (steel) on CNC is somewhat similar to manual milling?
[09:42:29] <anonimasu> all milling is the same
[09:42:33] <mazafaka_> I once assigned a feedrate, then the one more fast, t was OK. But with the next one (even more fast) the machine started to produce a little bit higher level of vibrations, pernicious vibrations. This is on turret mill which lacks rigidity.
[09:42:37] <mazafaka_> yeah
[09:43:39] <mazafaka_> I also made several details for my motorcycle, they fit tightly, worked relatively slowly but everything was OK with the lathe.
[09:47:43] <mazafaka_> The only problems I had, tools mostly were not mine and this grinding of the cutters before the work has taken most of the time.
[09:48:21] <mazafaka_> LOL, my video is superior! http://www.youtube.com/results?search_query=QCAD+to+HeeksCNC&aq=f
[09:48:49] <mazafaka_> In this video, I can not Home it when I reload the code
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[10:30:02] <mazafaka_> Rapid moves' speed is defined in .ini-files?
[10:32:46] <mazafaka_> Ah, no, it seems rapid moves just reach machine's maximal velocity despite the assigned feedrates.
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[10:57:37] <mazafaka_> Can DOS be comparable to RTAI Linux version. E.g. Can TurboCNC be comparable to EMC. Many people are asking what realtime apllication interface is. I'm answering it reduce risk lacking the signal for some time of down to certain known amount of milliseconds.
[11:00:05] <archivist_emc> not really comparing like with like there
[11:01:14] <archivist_emc> would you compare a Nissan Micra with a Range Rover
[11:03:17] <psha[work]> archivist_emc: not exactly - really DOS real mode provides nice RTOS-like behaviour
[11:03:30] <psha[work]> since there is nothing to interfere with your only task
[11:03:57] <psha[work]> sure it's not rtos - but it looks like one :)
[11:04:20] <archivist_emc> that what I mean its just not comparable
[11:04:30] <psha[work]> with RTAI as i understand you get RTOS (to some extent - depends on hardware really)
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[11:20:48] <mazafaka_> archivist_emc: DOS still have ACPI features enabled, right?
[11:23:19] <mazafaka_> With RTAI there's a latency test which shows us... What does it how us? Maybe, the milliseconds withing wich there shall not be commands to machine produced, i.e. that machine shall work more slowly...
[11:25:04] <psha[work]> latency tests shows how bad is timer precision
[11:25:05] * mazafaka_ reads some sophisticated CAM's manual. Tool passages can be handled in too many ways, he thinks. "Is it all just Windows-alike, or I am just a sad looser?"
[11:25:13] <mazafaka_> oh
[11:25:36] <psha[work]> timer = sched timer not, HRT or other hardware timers
[11:26:24] <mazafaka_> so, inless latency is less than certain amount of milliseconds, even running slowly, the machine will fail at some steps?
[11:27:24] <mazafaka_> no, I meant hardware *could* produce signals wrongly
[11:27:24] <psha[work]> yes
[11:27:49] <psha[work]> if jitter is too high there is no guarantee that your scheduled command will executed when desired
[11:27:58] <mazafaka_> that's where talks like "This machine on that plant seems has gone mad by now"
[11:28:05] <psha[work]> so you may fail to generate next step signal correctly for example
[11:28:34] <mazafaka_> and the trajectory of the tool will be not desired one
[11:29:12] <psha[work]> yes
[11:36:08] <mazafaka_> motors rotate screws or there can be belts which change the ratio?
[11:37:18] <psha[work]> may be belts
[11:39:43] <mazafaka_> there can be belts, but for high-speed machining of steel with its small cuts per one passage, maybe motors' torque is high enough to move the table.
[11:47:09] <mazafaka_> We with a friend of mine once wanted to buy almost working manual lathe, small in size, into my garage, because of the railing and gears, for about USD 150, from scrap metal, but the deal were not concluded. I now think how many details could I made even without rigid tapping///
[11:49:27] <mazafaka_> Many bushings in cars and motorcycles has stupid backlashes, they can be changed onto something tightly fit, so it all together starts to cost more when you sell it.
[11:50:44] <psha[work]> mazafaka_: where are you from?
[11:50:57] <mazafaka_> E.g. bolt in kick-starter and in brake pedal of my motorcycle.
[11:51:08] <mazafaka_> Kuzbass, why do you ask?
[11:51:19] <Jymmm> jitter == Like listening to a Kung Fu movie
[11:53:08] <psha[work]> mazafaka_: here are not so much people from Russia (or Ukrain/Belarus)
[11:53:23] <mazafaka_> why, psha[work]
[11:54:52] <mazafaka_> psha[work]: in Moscow, there are not many people from Russia maybe, they are from a rich world ;)
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[11:55:17] <drmacro> got a tb6560 board. it has step/dir/enable pins for each axis. Step Conf Wiz, it's obvious for the step and dir pins...what does enable get conn'd to?
[11:57:44] <cradek> amp-enable
[11:58:00] <jthornton> if you have an enable pin on your drive what cradek said
[11:58:26] <jthornton> arg, I can't find my PID tuning notes :/
[11:59:15] <drmacro> Select amp enable for all 4 axis?
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[12:26:28] <mhaberler> any folks out here which run Axis or Touchy on a different machine than Emc?
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[12:36:24] <cpresser> mhaberler: i have done this once with simple x-forwarding
[12:36:56] <cpresser> nut bot for production, i only used that setup to develop and test HAL-stuff
[12:37:23] <cpresser> should read: "but not for production.."
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[12:38:27] <cpresser> in fact i ran axis in the same machine as emc, but the display was a remote one
[12:38:47] <mhaberler> I'm specifically referring to a configuraion mentioned here: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Running_Multiple_User_Interfaces. last bullet on page - using server.nml, client.nml with a TCP connection between GUI and task
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[12:42:16] <mhaberler> background of question: the current NML communication mechanism between UI and task is a bit limiting wrt what can be done with tools; if TCP is a requirement then a shared-memory or file-based mechanism isnt workable
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[12:46:37] <archivist_emc> mhaberler, should it just break up the table to transmit one tool per nml message
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[12:52:32] <mhaberler> yes, that's what I'm looking - something along these lines
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[13:00:59] <mhaberler> archivist_emc: conceptually it's task-push, unfortunately real comms is UI-push, task-responds :-/
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[13:58:16] <mazafaka_> Is it common to read the manuals and start to speak with its terms? Or I may leave part of the reading I completely understand for the next time.
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[13:59:55] <JT-Work> I'm real sure I don't understand your question
[14:02:27] <psha[work]> JT-Work: he's speaking with its terms already...
[14:02:33] <psha[work]> btw good morning
[14:02:36] <psha[work]> and bue
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[14:02:41] <JT-Work> I feel is is common to not read the manuals and try it your way first
[14:02:54] <jdhNC> if you are male anyway.
[14:03:18] <JT-Work> psha[work]: good day to you
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[14:35:11] <skunkworks> manuals are a last resort
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[14:42:19] <JT-Work> I use them to level my table
[14:44:24] <jdhNC> anyone ever used UPS freight LTL? I got a PRO tracking number that comes up invalid
[14:49:02] <jdhNC> becuase the electronic thing they sent me has a G instead of a 6
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[15:22:36] <mazafaka_> psha: If you was me, would you start reading http://openbookproject.net/electricCircuits/ to learn the Electronics?
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[15:24:54] <psha> hm, if i want to study electronics i'd better find a) good russian books b) somebody who understand subject and may correct me c) start building something
[15:25:07] <psha> i hardly learn by reading book from start to end...
[15:25:28] <Jymmm> psha: get an arduino and start there
[15:25:54] <psha> Jymmm: heh, i've some atmega's laying in the box waiting for me :D
[15:26:01] <psha> but i'm too lazy...
[15:26:09] <Jymmm> psha: get an arduino and start there
[15:26:18] <Jymmm> I never said atmel
[15:26:41] <archivist_emc> getting an arduino does not teach much if any electronics
[15:27:04] <psha> Jymmm: as i understand you need arduino if you want quickstart for something
[15:27:18] <psha> both in schematics and programming
[15:27:32] <Jymmm> psha: Yes, and since you say you're THAT lazy, it'll push you in the right direction
[15:27:39] <psha> for programming i don't need such support and in schematics i'd really better start from soldering from scratchg
[15:28:00] <psha> but problem is that i dont have any idea _what_ to do :)
[15:28:33] <Jymmm> psha: Go look at all the arduino sketches for inspiration
[15:28:33] <psha> if i had such idea i'd reall won't be so lazy...
[15:29:19] <Jymmm> psha: Then go build a fancy step/direction pulse generator for stepping motors
[15:29:30] <Jymmm> as a tester
[15:29:33] <psha> Jymmm: i don't have even single motor :)
[15:29:46] <Jymmm> go seal one out of a copy machine
[15:29:49] <Jymmm> steal
[15:30:19] <Jymmm> raid your printer for one.
[15:30:59] <psha> yea
[15:31:42] <psha> ardiuno scetch, part 1: take axe or sledgehammer and RUIN SOME ELECTRONIC DEVICE!!11
[15:31:43] <mazafaka_> What is Arduino
[15:32:02] <psha> mazafaka_: quickstart prototype board with uC on it
[15:32:13] <psha> Jymmm: avr, am i right?
[15:32:14] <jdhNC> allows for near-instant gratification
[15:32:23] <TekniQue> psha: yes, avr
[15:32:29] <jdhNC> purists dislike that for some reason.
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[15:33:09] <TekniQue> what I dislike about it is that it uses a non-standard programming language
[15:33:15] <TekniQue> it has it's own bastardization
[15:33:21] <TekniQue> that is mangled by the IDE
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[15:33:24] <TekniQue> and compiled as C++
[15:33:29] <jdhNC> yeah, and?
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[15:33:56] <jdhNC> what's non-standard about it?
[15:34:42] <TekniQue> the Wiring language
[15:34:54] <jdhNC> is it Wiring or Processing?
[15:35:08] <TekniQue> fuck knows
[15:35:13] <TekniQue> it looks almost like C
[15:35:15] <jdhNC> me either... looks like c to me
[15:35:22] <jdhNC> I write it as c and it works
[15:35:29] <Jymmm> It's a java variant
[15:36:43] <Jymmm> arduino is the IDE, Processing is the app that you run on console to create GUI computer interface with
[15:37:01] <Jymmm> s/console/pc/
[15:37:50] <Jymmm> So if you have the uC datalogging as example. you cna SEE the live result sin a GUI create with Processing
[15:38:01] <mazafaka_> psha: Oh, no, I don't know about this board. We are here (some of us) are just soldiers of fortune, 'electronic MCs' as all those hot girls on presentations think... I will start reading those pages a little bit later, simultaneously with the end of repair of my apartment and finishing my bikes...
[15:38:50] <jdhNC> The Art of Electronics is good to have
[15:39:16] <TekniQue> As far as I'm concerned, the only thing that Arduino really does is provide an AVR with a bootloader burned in (Which Atmel have failed to provide from the factory, shame on them)
[15:39:25] <TekniQue> and an IDE that speaks with that bootloader
[15:39:51] <TekniQue> and yes, that takes the pain away from setting up avr-gcc and makefiles
[15:40:00] <jdhNC> Tek: works for me, makes start-to-finish trivial
[15:40:20] <jdhNC> don't even need to know what a fuse is
[15:41:08] <Jymmm> Fuse is what you use to mount a oddball FS =)
[15:41:42] <TekniQue> I think the arudino boards look really ugly though
[15:41:50] <TekniQue> really, really ugly
[15:42:04] <jdhNC> yeah, well you dress funny, so there.
[15:42:08] <Jymmm> who cares what it looks like as long as it does what it's suppose to
[15:42:20] <Jymmm> It could be puke green for all I care
[15:42:31] <Jymmm> or even baby shit brown
[15:42:35] <jdhNC> http://shop.moderndevice.com/products/rbbb-kit
[15:42:38] <jdhNC> I like those
[15:42:49] <TekniQue> when I say ugly I mean that the mounting holes are not aligned in any reasonable fashion
[15:42:55] <TekniQue> and the pin headers aren't either
[15:43:50] <TekniQue> and what's with the boards not even being recangular
[15:44:03] <TekniQue> but some odd hex shape
[15:44:06] <TekniQue> http://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Arduino_Duemilanove_2009b.jpg/800px-Arduino_Duemilanove_2009b.jpg
[15:45:29] <TekniQue> it's a mistake made years ago and then standardised upon so every board made since has the same retarded features of three mounting holes not aligned with anything and pin headers that don't align with anything either
[15:46:09] <jdhNC> I think that on principle, you should refrain from ever using one.
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[15:48:56] <TekniQue> I do appreciate the bootloader though, that's the biggest drawback of the AVR
[15:49:18] <TekniQue> until the USB AVRs came about, needing a special programming header
[15:49:52] <TekniQue> instead of being able to do the initial programming through a serial port that could serve other functions than programming also
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[15:52:48] <tom3p> my d510mo has latency-test base thread max jitter of 8009 after 2 days.
[15:52:56] <tom3p> bios Hyperthreading is turned off,
[15:52:57] <tom3p> and Kent Reed's 07_rtai file setting isolcpus=1. 4 full screen glxgears and an mp3 playlist looped.
[15:53:48] <tom3p> i am very happy :) i had read such low numbers were possible, but seing it is different
[15:53:51] <psha> mazafaka_: i recommend reading articles at http://easyelectronics.ru - they are really easy to understand even for programmer
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[16:00:55] <mazafaka_> psha: OK, but 'even for programmer' -- what do you mean
[16:01:35] <psha> i mean programmers usually are very dumb when it comes to schematics :D
[16:02:44] <mazafaka_> psha: But from where can I understand how the signals of computer on its pins are amplified and how do I basically program them?
[16:03:33] <mazafaka_> I mean will I be able to understand some basic stuff from all these 'how-to for dummies'?
[16:05:16] <psha> i guess yes
[16:05:46] <psha> http://easyelectronics.ru/category/nachinayushhim
[16:05:52] <psha> try to read something from here for example
[16:06:10] <psha> it starts from very basic things and end up with arm programming examples
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[16:10:54] <moopy> I just edited the wiki http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Halitosis
[16:11:05] <moopy> anyone see any problems with the page?
[16:12:01] <psha> moopy: sure, page is too small!
[16:13:47] <moopy> I don't have time or fortitude to make a full and proper wiki page, just follow the link
[16:14:11] <psha> moopy: just kidding
[16:14:50] <moopy> okay so long as no one minds my seo to another site
[16:16:33] <Tom_itx> anyone recall the name of the shop in wichita emc met at?
[16:16:38] <Tom_itx> it's on S West St
[16:16:41] <cradek> mpm
[16:16:45] <Tom_itx> ahh ok
[16:16:57] <Tom_itx> i was down there today and forgot the name however i did see the place
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[16:17:12] <cradek> it has a big W (?) sign in front
[16:17:31] <Tom_itx> i don't recall
[16:17:56] <Tom_itx> it's down by grainger and a couple tractor outlets
[16:18:08] <psha> if i have one rotational (wrapped) axis, say A and X
[16:18:17] <psha> and write G1 X100 A1000 F100
[16:18:22] <psha> what's effect of F?
[16:18:26] <psha> linear speed?
[16:18:27] <psha> or what?
[16:18:57] <Tom_itx> i'm not sure how my cam unwraps code like that
[16:19:19] <Tom_itx> i can wrap a flat pattern around a cylinder though
[16:19:29] <cradek> http://www.linuxcnc.org/docs/devel/html/common/machining_center.html#sub:Feed-Rate
[16:20:02] <psha> cradek: thanks a lot
[16:20:04] <cradek> there are several modes, and the docs describe the behavior
[16:20:22] <tom3p> think about how far off center of rotation the work is too
[16:20:41] <cradek> also NB: http://www.linuxcnc.org/docs/devel/html/gcode/overview.html#_when_moving_more_than_one_coordinate_system_consider_inverse_time_feed_mode
[16:22:58] <psha> cradek: it's for contact scanner system using EMC as base control
[16:23:11] <psha> G9[456] modes may be helpful though
[16:25:44] <Tom_itx> does G96 work on a rotary axis? or is that purely for spindle..
[16:27:50] <psha> don't know :)
[16:28:02] <tom3p> making gEDA hal symbols: is a clock input pin traditionally a little triangle inside the frame?
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[16:38:01] <KimK> tom3p: gEDA HAL symbols? Oooh, are you working on a gEDA version of the Eagle-to-HAL wizard? That would be cool.
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[16:43:31] <tom3p> KimK, i worked on it years ago and recently wanted to better understand JT's thc logic so resurrected it
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[16:44:21] <tom3p> theres stuff on the wiki and micges (?) did an eagle upl for same ( draw graphic , write hal )
[16:44:59] <tom3p> an 'ulp'
[16:45:44] <Tom_itx> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Eagle2HAL
[16:47:20] <KimK> tom3p: I would offer to help you, but I have a full plate right now. Maybe I can be more helpful on it in the future?
[16:48:03] <KimK> Tom_itx: Thanks. Maybe I'll get to say hi one of these days.
[16:48:05] <tom3p> sure, in meantime, i have time, did you find something for me to work on?
[16:49:36] <tom3p> lemme know
[16:49:43] <KimK> Uh-oh, remind me, what was I supposed to do?
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[16:55:52] <tom3p> KimK offload some of your tasks
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[17:00:25] <KimK> tom3p: Ah, now there's an idea, lol. OK, I'll look around with that in mind.
[17:00:35] <tom3p> great :)
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[17:08:26] <mazafaka_> Rotary table has a reducer, with worm gear, right?
[17:08:32] <willburrrr2003> Had a really good night last night and got my spindle speed scaled pretty dead on :D , very pleased with this now as the speed is stable and not pulsing like previously and s1250 is full speed voltage, s625 is half speed voltage, s312.5 is 1/4 speed voltage etc... :D :D
[17:08:50] <mazafaka_> How do I turn it in the code?
[17:09:11] <willburrrr2003> have a much better understanding of how scale and stepgen work now too ;)
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[17:11:59] <willburrrr2003> is there a MAX_SPEED ini setting I can set, so that EMC will only accept a max speed of s1250?
[17:12:38] <danimal_garage> it will only go as high as your scale parameter
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[17:13:35] <willburrrr2003> yes, but emc will still accept S values above my s1250, even thought the speed output doesn't change
[17:13:38] <danimal_garage> set the scale for the highest voltage or frequency output
[17:13:56] <danimal_garage> yea, it'll just stay at the s1250
[17:14:06] <danimal_garage> it's not going to hurt anythnig
[17:19:04] <willburrrr2003> yes I set my scale like that last night, works great :) and adjusted my stepgen.2.steplen to 40000 , this stabalized my signal and got rud of the pulsing/stumbling of the motor that I was experiencing
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[17:21:01] <danimal_garage> cool
[17:21:42] <willburrrr2003> it's cool though to actually understand the math for calculating the scale and stepgen values, as well as what the individual pieces do too :) I am really happy that I stuck with EMC instead of switching ove to Mach, as I am really enjoying EMC (setting up and using it both)
[17:22:04] <mazafaka_> hey guys how to rotate the rotary table 60 degrees?
[17:22:59] <danimal_garage> yea, emc is great, you just gotta stick with it and eventually stuff makes a little more sense
[17:23:19] <danimal_garage> i went through a rather rough learning stage but now my two machines are working well
[17:23:28] <danimal_garage> thanks to these guys
[17:24:10] <willburrrr2003> EVERYONE HERE IS FANTASTIC, AND THE DEVELOPERS SLAVING AWAY FOR OUR BENIFIT TOO....A BIIIIG THANKS TO ALL OF YOU!!!!
[17:24:38] <danimal_garage> mostly one in the same
[17:24:39] <willburrrr2003> Just had to get that out hehe, as it is all appreciated ;)
[17:31:09] <mazafaka_> Used mini drill and flexible shaft, tool as a bolt M6 with longitudinal cut, and stripes of sandpape rto clean the paint from the motorcycle.
[17:31:23] <mazafaka_> How to turn rotary table?
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[17:34:07] <willburrrr2003> Not sure, figure you would have to set it up as a rotational axis, then calibrate it like any other axis for gearing/speed/vel like the other axis setups. Then I think you could give a g1 command to a specific deg out of 360? but not sure how to accomplish all this
[17:35:16] <danimal_garage> me neither
[17:35:34] <mazafaka_> thanks
[17:36:34] <willburrrr2003> np, sorry I can't be of more help as I am still learning many things about EMC...but only as they apply to my machine application at the moment
[17:37:18] <psha> willburrrr2003: that's all right
[17:37:20] <mazafaka_> seriously, have bought an angle grinder Makita to clean second motorcycle from paint, but the brush I have bought was very rough and cleans gas tank from the metal itself. Now waiting for a brush with thin wires...
[17:37:24] <psha> setup axis just like normal
[17:37:28] <psha> but set type to angular
[17:37:35] <mazafaka_> psha: and what will the command look like?
[17:37:45] <mazafaka_> oh, remember something...
[17:38:04] <psha> http://www.panix.com/~dgarrett/stuff/xzc.ini
[17:38:12] <psha> example of XZC setup
[17:38:23] <psha> http://psha.org.ru/irc/%23emc-devel/2011-06-18.html#18:31:03
[17:38:33] <psha> there is some description in logs
[17:39:04] <psha> command for movement is just as normal
[17:39:10] <psha> G0 C180
[17:39:17] <psha> now have to run
[17:39:19] <psha> bb
[17:39:20] <mazafaka_> c180 <-- angle
[17:39:25] <mazafaka_> ok
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[17:40:39] <mazafaka_> What is FERROR value?
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[17:43:37] <mazafaka_> Have just found linuxcnc.org/docview/html pages, lots of answers
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[18:18:50] <JT-Shop> http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,21/id,4500/lang,english/#11232
[18:20:54] <danimal_garage> hi John
[18:21:00] <JT-Shop> Hi Day
[18:21:01] <JT-Shop> Dan
[18:21:20] <JT-Shop> where the heck did the y come from
[18:22:20] <danimal_garage> been here
[18:23:05] <JT-Shop> Day instead of Dan... must have been a short circuit to my mouse finger
[18:24:06] <danimal_garage> lol
[18:24:11] <danimal_garage> how's it going
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[18:28:27] <JT-Shop> not bad, just finished a machine and starting on another one... a bit of a backlog ATM on machines to build
[18:29:10] <danimal_garage> thats good as long as the customers arent hounding you
[18:29:38] <JT-Shop> yea, they are very patient with us so far
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[18:29:57] <danimal_garage> thats good
[18:30:02] <danimal_garage> mine never are lol
[18:30:19] <danimal_garage> unless they're repeat customers, then they know the deal already
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[18:32:24] <willburrrr2003> I hate it when the internet connection goes down for no good reason (at least not any I know of) but happy to be back on line
[18:32:49] <willburrrr2003> JT-Shop, are you around today?
[18:35:44] <JT-Shop> willburrrr2003: back and forth
[18:39:33] <danimal_garage> hmm wonder if my hdd is going out. i got a warning errors on disk when i restarted by pc
[18:42:33] <danimal_garage> WTF! it looks like it lost all my work offsets!
[18:42:43] <danimal_garage> how the hell does that happen???
[18:43:44] <willburrrr2003> JTShop: was wondering if you ever manages to zip your ngcgui subroutines for you lathe, would love the chance to add them to the few I have :)
[18:43:45] <danimal_garage> grrrrrrrrr
[18:44:05] <danimal_garage> so...pissed
[18:44:38] <willburrrr2003> Getting data corruption Dan? sorry to hear about that I know it's a lot of work setting them all back up
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[18:45:57] <cradek> sounds like you need to make a copy of your config right now
[18:46:28] <danimal_garage> yea
[18:46:46] <danimal_garage> i got a copy but i may have tweaked the ladder a little since then
[18:46:51] <willburrrr2003> that seems like great advice, I just made an off computer of mine lastnight when I realized exaclty how much I would have to redo at this point
[18:48:31] <JT-Shop> willburrrr2003: I think they are on my web site... let me look
[18:49:00] <JT-Shop> yep
[18:53:15] <willburrrr2003> cool JT-Shop, what is your web site address?
[18:53:29] <JT-Shop> gnipsel.com
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[18:54:26] <JT-Shop> what's a good program to capture the screen in Ubuntu to a video?
[18:54:36] <willburrrr2003> Sweet, Thanks JT
[18:55:42] <hatch789> hi guys
[18:56:25] <hatch789> quick question for you. I have been wondering if it would make sense to go with USB instead of parallel port for my EMC2 configuration. I couldn't find much in the area of pros/cons for this comparison on the forums
[18:56:35] <danimal_garage> well it's all backed up now
[18:56:59] <danimal_garage> i guess i'll go re indicate ALL my fixtures :(
[18:57:06] <cradek> quick answer to your quick question is no
[18:57:40] <cradek> in general, your choices are pci, pci express, parport, or isa
[18:58:01] <hatch789> ok ...uSB isn't even a choice then
[18:58:06] <cradek> no
[18:58:23] <hatch789> thank you for the clarification
[18:58:27] <danimal_garage> it's a new harddrive too
[18:58:35] <cradek> some information about interfaces here: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC2_Supported_Hardware
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[19:04:54] <tom3p> JT-Shop, gtkrecordmydestop works for me recording AXIS and vismach stuff
[19:05:14] <JT-Shop> tom3p: thanks
[19:06:15] <JT-Shop> found it and it is installing now :)
[19:11:59] <danimal_garage> are work offsets and tool offsets saved in the same file?
[19:12:19] <cradek> no
[19:12:42] <danimal_garage> ok i was gunna ask how i still have my tool offsets but lost the work offsets
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[19:13:12] <danimal_garage> but if they're different files, i suppose that could happen
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[19:16:06] <hatch789> alex4nder, hey Alex4nder you there?
[19:17:16] <JT-Shop> Dan the work offsets are in your var file
[19:19:34] <danimal_garage> yea i thought so, it's all zeros
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[19:20:11] <danimal_garage> i need a new indicator
[19:21:46] <jdhNC> I need three servos, drives, encoders.
[19:21:56] <danimal_garage> same here
[19:22:17] <jdhNC> I'll trade you an indicator
[19:25:06] <danimal_garage> sure, i'll trade you for my broken one
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[19:31:35] <JT-Shop> Dan are your work offsets a fixed distance or do you have to indicate each one?
[19:32:14] <danimal_garage> depends
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[19:32:26] <danimal_garage> most of them are a fixed distance
[19:32:36] <Connor2> Got my alum stock for my CNC conversion in today..
[19:32:49] <jdhNC> what kind, where?
[19:33:00] <jdhNC> are you keeping a list of materials and vendors :)
[19:33:27] <danimal_garage> lunch time, bbl!
[19:33:46] <Connor2> Me? Just ordered from Speedy Metals.. I'm using Hoss's plans.
[19:34:10] <jdhNC> oh... Y in the back, w/ belt?
[19:34:31] <Connor2> I'm going to go ahead and do the phase 1, I.E use stock screws.
[19:34:42] <jdhNC> did you cut a hole in the top of the stand? Do you see a need to?
[19:34:43] <Connor2> Can't do in the back with stock screws.
[19:35:05] <Connor2> I'll switch to back when I goto ball screws.
[19:35:20] <Connor2> No hole in stand.. Why would I need to ?
[19:35:55] <jdhNC> dunno, I read it somewhere but don't remember where/why
[19:36:07] <Connor2> I've not come across that one...
[19:36:16] <jdhNC> something about getting to the ball nut I think.
[19:36:32] <jdhNC> but... guess it doesn't matter for the stock screws
[19:36:55] <Connor2> I know you need to open up the saddle a bit for clearance with the ballnut.
[19:38:17] <jdhNC> this was for access after you had it mounted
[19:38:32] Connor2 is now known as Connor
[19:38:46] <Connor> Ah.
[19:38:53] <jdhNC> or, maybe it was something else
[19:38:56] <Connor> Probably for grease fittings ?
[19:39:01] <jdhNC> dunno
[19:39:11] <jdhNC> UPS just called, delivery after lunch sometime tomorrow
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[19:39:43] <Connor> Cool. Don't let them leave until you've inspected the stand.. and at least inspect the crate.
[19:39:49] <jdhNC> are you going to use the mill in manual to make the parts?
[19:39:56] <Connor> Yes.
[19:40:01] <Connor> No other choice.
[19:40:14] <jdhNC> will the crate fit on a smallish harbor freight 4 wheel dolly?
[19:40:52] <Connor> Mine came on a full sized pallet, with a smaller pallet that was part of the crate.
[19:41:12] <Connor> I can go measure it for you.3
[19:41:45] <jdhNC> looks like the dolly is 18x12, holds 1000 lbs
[19:42:52] <Connor> 27" x 30" is the size of the crate.
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[19:43:05] <jdhNC> that's pretty big
[19:43:23] <jdhNC> would it sit on 12x18"
[19:43:26] <Connor> The mill is fully assembled, and is in the crate catty-corner
[19:43:44] <Connor> the chip tray is attached to the side of the crate.
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[19:44:43] <Connor> http://www.knoxarearobotics.com/photo-gallery/member-galleries/connor/g0704-mill.html?page=2&catpage=1#category
[19:48:24] <jdhNC> have you stripped the goop off of it?
[19:49:02] <willburrrr2003> Connor, that is a nice looking Mill, how's the quality look in person?
[19:49:07] <Connor> The table had wax paper with the goop on it, I just pulled it off... I then used Go'ole WD-40 with lots of paper towels.. it really wasn't covered too bad with all that goo.
[19:49:54] <Connor> willburrrr2003: Looks good to me.. but, I'm no expert.. This is my first real machine.. only thing I've had up to this point is a drill press and mini benchtop grinder..
[19:50:25] <Connor> I've already removed the Chip guard as it does nothing but get in the way.
[19:50:44] <Connor> and causes me major issues with skewing the part when I'm looking at it.
[19:51:31] <Connor> Only Endmill I have that I can use it right now for alum is a little 1/8" one I got for my CNC Gantry Router..
[19:52:25] <jdhNC> got collets?
[19:52:32] <Connor> it's ZrN coated with a .200" DOC
[19:52:36] <Connor> Yea.
[19:53:17] <Connor> I used another 1/8" I had for soft media to cut out holes in a Radio Shack box for my vacuum autoswitch.
[19:53:37] <Connor> it worked really well.. Though, I'm using a crappy Home Depot drill press vice ATM.
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[19:53:52] <Connor> Should be good nuf to do the Nema 23 motor mounts though.
[19:55:26] <jdhNC> is it difficult to move around once it is on the stand?
[19:56:35] <Connor> Not Too bad on my concrete floor.. I used the scootch method.. move one side a bit then the other.. make sure you lower the Z all the way down to help keep the COG as low as possible and prevent it from getting Top heavy.
[19:57:09] <jdhNC> a flowmeter is still the definitive check for change
[19:57:13] <jdhNC> <urk>
[19:57:21] <Connor> I fracked up and put the chip tray on backwards and had to scootch it back out and use a rope over my Unistrut I installed.. Then used the Z to pick itself up so I could rotate the tray.
[19:57:38] <Connor> huh?
[19:57:48] <jdhNC> and now you are taking it off?
[19:58:00] <jdhNC> wrong channel.. rebreather oxygen flow :)
[19:58:36] <Connor> No. I mounted the Green Chip Tray backwards.. I took off the plexiglass chip gaurd.
[20:00:47] <Connor> Was kinda strange using the Z axis to pick itself up.. handled it just fine... was nice.
[20:01:47] <jdhNC> HF has a 30x19 dolly
[20:02:00] <Connor> You get lift gate service?
[20:02:05] <jdhNC> yeah
[20:02:27] <Connor> My delivery guy use his pallet jack and we both pushed up the driveway into my car port.
[20:03:02] <jdhNC> I've got no place to put it, need to be able to wheel it out of the way
[20:03:29] <jdhNC> the crate is bolted to the pallet?
[20:03:46] <Connor> Not the big pallet.. the other pallet is part of the crate.
[20:03:51] <Connor> and the machine is bolted to it.
[20:04:07] <jdhNC> and it just sits on top of the big pallet?
[20:04:23] <Connor> Yea, well it was strapped to it along with the stand.
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[20:04:32] <krushia> anyone know of a ring or fork terminal for 6 awg with M15 stud (aka engrish #10 aka 0.2") and a maximum width of 11mm?
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[20:06:28] <jdhNC> sounds small... can you file the edges of a bigger one?
[20:07:35] <krushia> well, this is for a production wind turbine... pretty sure the manufacturing floor would stage a riot
[20:07:57] <jdhNC> heh, make the terminal bigger then.
[20:08:16] <jdhNC> single ferrule?
[20:08:21] <krushia> thought i'd randomly ask around on IRC since i've wasted 2 hours calling vendors
[20:08:36] <krushia> hang on
[20:08:40] <jdhNC> did any of them know?
[20:09:10] <krushia> http://pr0n.fea.st/R02833_TB_09380062701_BL01_R411939.pdf <--- goes on there (ground)
[20:09:59] <syyl_> oh
[20:10:05] <syyl_> the good harting connectors
[20:10:11] <krushia> http://pr0n.fea.st/DSCF1626.JPG <--- a slip ring by moog with some terminal that fits, but nobody can tell be what manufacturer/model it is
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[20:11:26] <Jymmm> krushia: look up that registration number
[20:12:07] <Jymmm> You mean that beige thing the white cable are going thrugh?
[20:13:06] <krushia> nah, the ring/fork/whatever terminal connecting to it on the right hand side (ground)
[20:13:44] <JT-Shop> you can get them from the auto parts store around here... or automationdirect.com
[20:13:58] <Jymmm> What is that, 8ga?
[20:14:05] <krushia> 6
[20:14:25] <krushia> 6 awg with M15 stud (aka engrish #10 aka 0.2") and a maximum width of 11mm
[20:14:26] <Jymmm> Grainger, McMaster, Home Depot, Lowes
[20:14:44] <Jymmm> or any electrical supply house
[20:15:31] <krushia> no luck so far
[20:16:00] <krushia> not in USA anyway... i'm looking at german manufacturers now
[20:16:09] <Jymmm> where are you located?
[20:16:37] <krushia> vermont
[20:17:01] <Jymmm> http://www.strauto.com/4906.html
[20:17:10] <Jymmm> 1st hit on google for me
[20:17:17] <JT-Shop> too big jymmmmmmmmm
[20:17:26] <Jymmm> he said 6ga
[20:17:38] <JT-Shop> #10 stud .433 wide
[20:17:46] <JT-Shop> http://www.youtube.com/watch?v=VmRUJk0ptN4
[20:17:48] <krushia> smallest i've found is 1.19 mm wide
[20:18:07] <JT-Shop> smallest I found was 0.490 for #10 and 6 gauge
[20:18:23] <Jymmm> whats a #10 stud?
[20:18:53] <jdhNC> the bolt part
[20:19:07] <Jymmm> Right, but what is "#10" ?
[20:19:17] <jdhNC> bolt size
[20:19:27] <Jymmm> like 10/32" ?
[20:19:28] <jdhNC> bigger than an 8, smaller than a 12
[20:19:30] <Jymmm> 10-32
[20:19:40] <Jymmm> 1/4" ?
[20:20:12] <Jymmm> http://www.boatbandit.com/detail.aspx?ID=11405&Battery%20Lug=252243%20,%206-Gauge%20Wire,%20#10%20Stud%20Size%20%282%20pack%29
[20:20:30] <Jymmm> http://www.amazon.com/IMPERIAL-71874-STANDARD-COPPER-BATTERY/dp/B001E5BR6G
[20:20:48] <Jymmm> http://www.grainger.com/Grainger/GROTE-Lug-2FFV5?cm_mmc=GoogleBase-_-Fleet%20and%20Vehicle%20Maintenance-_-Automotive%20Electrical-_-2FFV5&ci_src=14110944&ci_sku=2FFV5
[20:21:00] <JT-Shop> no, not 1/4"
[20:21:11] <JT-Shop> #10 clearance hole is #11 bit
[20:21:27] <Jymmm> Yeah, those links have 6ga #10 stud
[20:21:32] <Jymmm> http://www.sherco-auto.com/copperlug.htm
[20:21:51] <jdhNC> but wider than 11mm
[20:21:57] <jdhNC> or not dimensioned
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[20:26:00] <JT-Shop> I've seen some with a square profile before on some equipment
[20:26:29] <Jymmm> how close is 5/16 stud to #10 stud?
[20:26:44] <cradek> not at all
[20:26:45] <JT-Shop> about a mile
[20:26:55] <Jymmm> well, gimme a fraction
[20:27:08] <cradek> #10/1
[20:27:12] <jdhNC> heh
[20:27:19] <Jymmm> in inches
[20:27:24] <jdhNC> #10 is a little over 3/16"
[20:27:26] <cradek> look it up, dude, that's what all us poor american saps have to do
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[20:27:36] <JT-Shop> 191/1000
[20:28:15] <Jymmm> Well, hell find what you want... http://www.fisheriessupply.com/productgroupdetail.aspx?cid=157987&did=7152&bid=433&keywords=&km=&sb=
[20:28:34] <jdhNC> probably some standard metric size?
[20:28:42] <jdhNC> ask the block mfg?
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[20:35:31] <pulsar> good evening gentlemen
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[20:36:18] <JT-Shop> anyone want to look up the Tolomatic MX50 mounting bolt locations for me while I take a nap?
[20:37:09] <Jymmm> http://translate.google.com/translate?hl=en&sl=ko&u=http://mechans.tistory.com/category/%3Fpage%3D38&ei=5hgWTrCEG4_CsAP1xNzaDQ&sa=X&oi=translate&ct=result&resnum=1&ved=0CCMQ7gEwAA&prev=/search%3Fq%3DTolomatic%2BMX50%2Bmounting%2Bbolt%2Blocations%26hl%3Den%26safe%3Doff%26prmd%3Divns
[20:37:15] <pulsar> i am pretty new to emc and cnc stuff and i was wondering if there is something provided by emc to work with touch probes and scanning the surface offsets for not planar objects in order to generate y-axis offsets for instance.
[20:38:00] <pulsar> after poking around in the documentation i found the IK module / HAL API - would that be the place to start hooking in?
[20:38:07] <cradek> pulsar: the probing move primitives are powerful and you can write whatever you want with them
[20:38:19] <Jymmm> JT-Shop: Research Fee $35,321.12 USD, pay at the door (results are not guarnteed)
[20:38:27] <JT-Shop> lol
[20:38:54] <pulsar> cradek: "probing move primities" <-? ... again, new to this stuff, sorry :) is this some sort of bunlded feature?
[20:39:09] <JT-Shop> g code
[20:39:28] <pulsar> so pre-process the gcode to add offsets according to a previous surface scan?
[20:40:08] <JT-Shop> http://www.linuxcnc.org/docview/html/gcode_main.html#sub:G38.2:-Straight-Probe
[20:40:22] <JT-Shop> you could do that
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[20:40:31] <pulsar> *reading*
[20:40:39] <JT-Shop> what exactly are you trying to do?
[20:40:46] <pulsar> engraving
[20:40:51] <pulsar> and my surfaces are not 100% planar
[20:41:32] <pulsar> so the depth drifts around +/- 0.1mm
[20:41:42] <pulsar> i would like to compensate that
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[20:42:22] <pulsar> so the idea was to use a lookup table for the IK module
[20:42:43] <pulsar> values obtained from a surface probing scan stored in a x/y=offset grid
[20:43:16] <JT-Shop> interesting
[20:43:18] <cradek> I have not tried this, but it's a clever approach: http://phk.freebsd.dk/CncPcb/
[20:44:00] <pulsar> ic, this seems to alter the gcode
[20:44:58] <pulsar> i see a problem here though, the gcode works with vectors. so a vector definied in a g-code will usually be too long in order to add surface offsets to it
[20:45:17] <pulsar> my offset grid would be around 0.1mm x 0.1mm
[20:45:33] <pulsar> which is the diameter of drilling / engraving tools i plan to use
[20:45:50] <pulsar> so i would need to "de-vectorize" the gcode in order to add offsets
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[20:46:10] <pulsar> as in split a vector into chunks of 0.1mm lenght
[20:46:15] <pulsar> (approx)
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[20:46:23] <JT-Shop> I wonder if you could write a comp like my THC to hijack the Z to follow the surface?
[20:46:34] <pulsar> the IK / HAL component sound more like a better plan to me
[20:46:51] <pulsar> oh, tell me more?
[20:46:57] <JT-Shop> what does the IK module do
[20:46:59] <pulsar> boilerplate code! yummie! :)
[20:47:07] <pulsar> http://www.linuxcnc.org/docview/html/motion_kinematics.html#kinematics
[20:47:28] <JT-Shop> my THC component uses the tip voltage to offset the Z as it cuts
[20:47:48] <Jymmm> THC !!!
[20:47:50] <tom3p> JT-Shop, yes like a sewing machine foot tracking the plane
[20:47:51] <pulsar> :)
[20:47:59] <JT-Shop> down in front Jymmm
[20:48:07] <pulsar> is it in the source tree?
[20:48:12] <JT-Shop> yes
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[20:48:18] <Jymmm> JT-Shop: Soon enough =)
[20:48:34] <tom3p> could just vary a pot or even a small encoder
[20:49:27] <tom3p> we been here before, someone already floated the engraver, spring loaded it
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[20:50:10] <pulsar> yeah, also crossed my mind
[20:50:23] <pulsar> by adding a constant pressure to the engraver
[20:50:36] <pulsar> and/or putting the item to be engraved on springs
[20:51:09] <pulsar> but scannign the surface and incoporating that into the emc processing pipeline does also seem nice :)
[20:51:46] <tom3p> look into the THC code then, it 'follows' a surface
[20:51:51] <pulsar> anyway, i am just thinking loud at the moment. there a couple of problems yet to solve. What kind of digital touch probe to use, how to dump that probing data in real time and with the correct latency compenstation
[20:52:17] <pulsar> yeah, this would come very handy, what i have in mind could be derived from that code
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[20:54:09] <krushia> http://www.te.com/catalog/pn/en/52197 <--- the winner
[20:54:29] <krushia> thanks for helping me earlier guys
[20:58:54] <danimal_garage> hi
[21:01:57] <pulsar> thanks for the hints guys. i think i am on the right track!
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[21:10:48] <JT-Shop> pulsar: cool
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[21:16:34] <Tom_itx> JT-Shop have you gone any further with your touch probe design?
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[21:20:04] <JT-Shop> no, I've got all the parts to make it but have been busy
[21:21:28] <Tom_itx> did you decide on a probe tip?
[21:22:08] <Tom_itx> i picked up a couple pieces to mess with the other day
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[21:45:18] <tom3p> using indicator tips? 4-40 thread?
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[21:59:07] <danimal_garage> i need central air :(
[21:59:25] <danimal_garage> anyone wanna spot me 5k?
[22:01:29] <Jymmm> Sure, but I don't think you'll like the interest rate
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[22:14:41] <Tom_itx> tom3p, renshaw probe tips
[22:15:59] -!- sumpfralle has quit [Ping timeout: 240 seconds]
[22:16:01] <andypugh> Renishaw.
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[22:16:14] <Tom_itx> that too
[22:16:24] <andypugh> It's a place outside Shefffield, though completely unrelated to the product.
[22:16:38] <Tom_itx> Sheffield
[22:16:44] <Tom_itx> .
[22:17:10] <andypugh> It used to be rather difficult to set up a Ltd Co in the UK, so when they started making probes they bought a defunct company...
[22:17:21] <danimal_garage> rickshaw?
[22:18:30] <danimal_garage> i should close my shop and buy a fleet of rickshaws
[22:18:45] <danimal_garage> work on my tan
[22:22:34] <Tom_itx> can you use emc as a surface scanner with a probe?
[22:22:41] <andypugh> Yes
[22:22:48] <tom3p> book 'chasing rickshaws' how the design varies country to county ( got it cheap outside borders ) http://www.salon.com/wlust/pass/1998/10/22pass.html
[22:23:15] <danimal_garage> lol too much time on your hands...
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[23:12:47] <Tom_itx> mmm, i forgot to ask today if the local guy had probe tips
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[23:18:11] <Tom_itx> JT-Shop, any opinion on these tips?
[23:18:16] <Tom_itx> some seem quite reasonable
[23:18:38] <Tom_itx> i was looking under 'CMM ReplacementStyli'
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[23:22:45] <Tom_itx> seem more reasonable to me
[23:23:23] <JT-Shop> Tom_itx: I missed the link
[23:23:30] <JT-Shop> connection error
[23:23:33] <Tom_itx> woops
[23:23:38] <Tom_itx> i forgot to paste it :)
[23:23:49] <Tom_itx> http://www.carbideprobes.com/
[23:24:08] <Tom_itx> some are < $20
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[23:26:32] <Tom_itx> P.33 for example.. the 266-2.5R is ~$17
[23:27:43] <Tom_itx> err the tungsten ball is
[23:27:46] <Tom_itx> the ruby is a bit more
[23:28:38] <JT-Shop> ruby is what I was looking at
[23:28:49] <Tom_itx> longer ones are a bit more
[23:29:15] <JT-Shop> just depends on your needes
[23:29:18] <JT-Shop> needs
[23:29:38] <Tom_itx> i know
[23:29:59] <Tom_itx> he's got a wide selection
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[23:31:02] <Tom_itx> what thread were you looking for?
[23:31:17] <JT-Shop> m3 or m4
[23:32:19] <JT-Shop> 94100-6R looks good for me
[23:32:27] <Tom_itx> page?
[23:32:32] * JT-Shop goes back to sanding
[23:32:38] <JT-Shop> carbon fibre ones
[23:32:50] <JT-Shop> M4
[23:33:25] <drmacro> My stepper board has step/dir/enable for each axis. What to do with step and dir are obvious in Step Conf Wiz. Not so much for enable since there is only amp enable available as a selection. Can amp. enable be selected for multiple axis?
[23:34:30] <andypugh> Yes.
[23:35:04] <andypugh> You can either define three pins to carry an amp-enable signal, or share one pin and signal between all the drives.
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[23:35:37] <andypugh> But be a bit careful with the latter if using a parport, as they have limited current capacity.
[23:38:17] <andypugh> Assuming the board has amp-enable on pins 3 6 and 9, just set all three to amp-enable in stepconf.
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[23:48:10] <drmacro> ANdypugh: Actually, 4,5,17 (Z,C share 5) it appears each is the input to a 74HC14 so that's be a several mA I'
[23:48:30] <drmacro> I'm guessing the par port could handle that
[23:48:52] <andypugh> If you set it up as one pin per enable, yes.
[23:49:28] <andypugh> Though some parports can only source 3mA (most can sink 15mA, so occasionally you might need to add pull-up resistors)
[23:54:31] <drmacro> So, if I set three pins as enable pins, where do I tell EMC to use those pins?
[23:54:32] <JT-Shop> Tom_itx: I've booked that page, nice find
[23:54:51] <JT-Shop> stepconf wizard your using?
[23:55:08] <drmacro> yes
[23:55:32] <JT-Shop> should be automagic if you pick three pins...
[23:55:34] <JT-Shop> have to see
[23:55:58] <JT-Shop> if not you can add it to your custom.hal easy enough
[23:56:30] <drmacro> Haven't done a complete config yet so I don't know if further on it has something for customs like this, also haven't opened a hal file as yet
[23:56:35] <andypugh> drmacro: In the Port Setup page. It lists all the pins, you choose their function. Amp-enable is one of the functions.
[23:57:51] <drmacro> andypugh: yes, so chosing amp-enable 3 times tells emc to use those 3 pins anytime it does and amp enable?
[23:58:18] <JT-Shop> stepconf does it for you no problem
[23:58:33] <JT-Shop> I just tested