#linuxcnc | Logs for 2013-05-30

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[00:16:39] <eric_unterhausen> uh oh, building bbb kernel
[00:28:39] <eric_unterhausen> defeated on a makefile
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[00:31:10] <andypugh> Happens to me all the time
[00:31:42] <eric_unterhausen> I love it when you do an 'ls' file is there and then delete the ls from the beginning of the line and the file isn't there
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[00:35:33] <eric_unterhausen> okey, maybe I should have rebooted after applying updates
[00:35:36] <eric_unterhausen> only thing I can think of
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[00:49:57] <eric_unterhausen> ok, so I think this may be a new one on me, "no such file or directory" for a file that is sitting there
[00:56:03] <andypugh> directory with no execute bit?
[00:56:24] <eric_unterhausen> starting to wonder if it's an arm executable
[00:57:21] <eric_unterhausen> no, directory is drwxr-xr-x
[01:00:22] <andypugh> That was my only idea, sorry it wasn't a god one.
[01:01:39] <eric_unterhausen> not a bad one
[01:01:51] <eric_unterhausen> I think it's an arm executable, but I don't see anything that says that
[01:03:43] <eric_unterhausen> seems pretty clear that it's x86
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[01:15:30] <gammax-Laptop1> anyone know of a 4th axis that is cheap but of decent quality?
[01:16:35] <Tom_itx> gammax-Laptop1, http://paste.debian.net/7448
[01:16:38] <Tom_itx> something like that
[01:17:49] <gammax-Laptop1> Tom_itx, heyyyyy that could work! Thanks. Ill try it tomorow my shop is north denver and I am south denver.
[01:18:07] <gammax-Laptop1> BTW if any of you are ever passing through please give me a shout and we can meet up!
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[01:26:40] <eric_unterhausen> of course the repository version of linaro cross compilers is out of date
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[01:36:07] <skunkworks> Tom_itx: I think there has to be a servo thread function for the encoder also
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[01:38:39] <Tom_itx> skunkworks, not a base thread?
[01:39:05] <Tom_itx> i use servo thread on mesa stuff...
[01:39:10] <Tom_itx> this is for a parport
[01:40:58] <skunkworks> right
[01:41:19] <skunkworks> http://www.linuxcnc.org/docs/2.5/html/man/man9/encoder.9.html
[01:41:28] <skunkworks> encoder.update-counters
[01:41:39] <skunkworks> encoder.update-counters
[01:41:47] <skunkworks> heh encoder.capture-position
[01:42:09] <skunkworks> one in the base thread and one in the servo thread
[01:43:56] <Tom_itx> never heard of using a function in both
[01:45:01] <Tom_itx> so addf encoder.0 base- thread AND addf encoder.0 servo-thread ?
[01:45:36] <Tom_itx> gammax-Laptop1 hope you're getting all this :)
[01:45:50] <archivist> eric_unterhausen, to run a file where you are ./filename it depends whether your user also searches where you are in your paths in your user config
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[01:54:29] <skunkworks> for software encoder - yes
[01:54:57] <Tom_itx> good to know
[01:55:08] <Tom_itx> too bad the docs don't tell you that
[01:55:17] <Tom_itx> at least that one
[01:55:38] <skunkworks> ?
[01:56:02] <Tom_itx> about adding the encoder to both the threads
[01:56:50] <skunkworks> yes - it might be a bit techie.. but you could look at any of the example configs that use a software encoder.
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[01:57:16] <Tom_itx> well that would be going above and beyond considering i'm not using it myself :)
[01:57:27] <skunkworks> heh
[01:57:28] <Tom_itx> was trying to help gammax
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[01:58:07] <skunkworks> ah
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[02:00:47] <Tom_itx> if you're using mesa stuff you probably wouldn't use the software functions much would you?
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[02:02:38] <skunkworks> right
[02:02:56] <skunkworks> I have no base thread on the k&t
[02:03:07] <skunkworks> all the fast stuff is done in mesa
[02:03:12] <Tom_itx> yep
[02:03:19] <Tom_itx> just servo thread on mine
[02:04:08] <Tom_itx> i'm not sure but i think he's the one just testing it out on parallel port before he commits to a mesa board
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[02:04:25] <Tom_itx> seems like alot of effort for naught
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[02:16:46] <L84Supper2> aerotech is trying to sell stages for more than the cost of entire 3D printers at the show here :)
[02:19:56] <L84Supper2> oh and every factory here, promises that it will only take a few days but really takes a few weeks
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[02:22:15] <L84Supper2> reminds me of the "Money Pit"
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[02:23:14] <Tom_itx> and it cost you a suit and tie to find all that out :)
[02:24:45] <L84Supper2> the conference is a snore
[02:25:21] <L84Supper2> we are still waiting for our printer parts to show up
[02:26:13] <L84Supper2> now everyone here knows why we have our own complete shop :)
[02:29:15] <L84Supper2> "why buy all those tools when you can just hire a factory to make protos?"
[02:30:06] <L84Supper2> maybe because half the parts will show up made wrong, a week late and with at least a few parts missing
[02:30:10] <Tom_itx> it puts it all under one roof
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[02:32:04] <L84Supper2> it's one way for them to learn, now I'm not the crazy uhmerican
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[02:38:33] <eric_unterhausen> archivist: using ./ to run a command. Some bash weirdness I have never seen before going on here
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[03:00:55] <Connor> Any of you guys run air purifiers in your shop or dust filters? I'm Sick ATM (bronchitis) and I think it was brought about or exasperated buy cleaning up my shop this past weekend. I know they're common in wood working.. but.. metal shops ?
[03:01:21] <Connor> I do "sand" alumn to finish it.. and that can produce very fine powered dust..
[03:01:47] <Connor> and some times use MDF for jigs and backing etc..
[03:02:27] <Connor> My shop has a air duct from the main AC in the house.. but, no return.. so no filtration...
[03:03:48] <Tom_itx> the rework table we had WAS an air purificaton system
[03:04:54] <Tom_itx> the table was the inlet grate with massive filters on the base of it
[03:05:01] <Connor> All I have is a enclosed 5HP shop vac.. with 4" exhaust outlet going under the house where the Old Clothes dryer use to vent.
[03:08:24] <Tom_itx> http://www.industrialairsolutions.com/fume-smoke-collectors/downdraft-tables.htm
[03:08:29] <Tom_itx> similar
[03:09:18] <Connor> My shop is 11' x 7' with the mill, and a 7' x 40" Stainless still work bench.. no room for anything like that...
[03:09:51] <Tom_itx> http://billpentz.com/woodworking/cyclone/downdraft.cfm
[03:10:16] <Tom_itx> and we kept the 2nd op or rework station in a room by itself
[03:10:27] <Tom_itx> along with the vibratumbler etc
[03:17:31] <Tom_itx> maybe you can make something on a smaller scale
[03:17:36] <Tom_itx> they do work
[03:24:02] <Tom_itx> diamond grate mesh for a top..
[03:24:36] <Tom_itx> good quality furnace filters
[03:24:46] <Tom_itx> those white ones
[03:25:06] <Tom_itx> that's what the table used only alot thicker filtering
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[03:36:09] <GammaX> anyone good with cad? specificly solidworks but not necassary? :D
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[03:37:08] <Tom_itx> GammaX, did you see the comments about adding the encoder function to both threads?
[03:37:14] <Tom_itx> ^^
[03:37:32] <GammaX> I saw ur post regarding the text on debian.
[03:37:41] <GammaX> saved it and will try implimenting it tomorow
[03:37:55] <Tom_itx> there was a bit more on advice on it here
[03:38:00] <Tom_itx> zlog
[03:38:00] <zlog> Tom_itx: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23linuxcnc/2013-05-29.html
[03:39:15] <Tom_itx> <skunkworks> Tom_itx: I think there has to be a servo thread function for the encoder also
[03:39:15] <GammaX> asome
[03:39:30] <GammaX> a servo thread? REaly?
[03:39:39] <Tom_itx> and base thread
[03:40:23] <Tom_itx> <skunkworks> for software encoder - yes
[03:40:43] <pcw_home> encoder.update-counters --> base thread
[03:40:45] <pcw_home> encoder.capture-position --> servo thread
[03:40:46] <Tom_itx> <Tom_itx> so addf encoder.0 base-thread AND addf encoder.0 servo-thread
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[03:41:10] <Tom_itx> pcw_home is that correct ^^?
[03:42:17] <GammaX> I can just add that in anywhere?
[03:42:20] <pcw_home> The software encoder has two functions: encoder.update-counters and encoder.capture-position
[03:43:27] <GammaX> with the photomicrosensor I have, if its too close it would count 6 splines as 12 but a little farther away it counts 6... I wonder which one is better...
[03:45:06] <pcw_home> addf encoder.update-counters basethread
[03:45:08] <pcw_home> addf encoder.capture-position servothread
[03:45:58] <Tom_itx> not the individual instance?
[03:46:12] <pcw_home> Nope
[03:47:01] <GammaX> pcw_home, Tom_itx http://pastebin.com/UhMEPMUp
[03:47:23] <Tom_itx> no
[03:47:33] <Tom_itx> change the addf lines
[03:47:36] <Tom_itx> to what pcw said
[03:47:58] <GammaX> so replace those with the ones on the bottom of the page?
[03:48:01] <Tom_itx> on the encoder at least
[03:48:26] <Tom_itx> addf encoder.update-counters basethread
[03:48:27] <Tom_itx> addf encoder.capture-position servothread
[03:48:55] <GammaX> got it
[03:49:02] <GammaX> leaving addf scale.- base-thread
[03:49:11] <Tom_itx> or base-thread whatever the proper syntax is
[03:49:19] <Tom_itx> as far as i know yes
[03:49:23] <Tom_itx> on the scale one
[03:49:23] <GammaX> ok
[03:49:28] <Tom_itx> ask pcw_home
[03:50:09] <GammaX> pcw_home, how does this look? http://pastebin.com/97Pp0EUN
[03:50:28] <Tom_itx> and that may be 'addf scale base-thread' instead of 'addf scale.0 base-thread'
[03:50:33] <Tom_itx> i'm not entirely sure
[03:52:00] <Tom_itx> it should be pretty close but i haven't used the software functions since i use mesa cards
[03:52:17] <GammaX> I want mesa but im not gonna use it for steppers.... only servos
[03:52:28] <Tom_itx> same here
[03:52:40] <GammaX> no point in it in my opinion
[03:53:13] <Tom_itx> much better step rates
[03:53:37] <GammaX> how much better though?
[03:53:50] <Tom_itx> iirc the mesa cards use a 50Mhz clock
[03:54:03] <Tom_itx> i bet pcw could tell you
[03:54:15] <GammaX> mehes not responding :(
[03:54:33] <Tom_itx> it's not that far off though
[03:54:47] <GammaX> Tom_itx, you make any production stuff for sale on your machines or strictly hobby?
[03:54:58] <pcw_home> people commonly see a 20% to 60% increase in usable velocities
[03:55:02] <Tom_itx> minor production but mostly hobby
[03:55:22] <GammaX> 20-60 is a big diff lol
[03:55:31] <Tom_itx> machines vary alot too
[03:55:35] <GammaX> well 20 I wouldnt waste hte money.... 60 i would deff!
[03:55:38] <pcw_home> with a hardware stepgen (anyones, not just ours)
[03:55:56] <Tom_itx> but yours rocks!
[03:55:58] <GammaX> ahhh thats right pcw_home you work at mesa. do you own it?
[03:56:31] <pcw_home> also for step servos with 100KHZ or higher step rate needed for full speed
[03:57:22] <pcw_home> or 32X or better ustepping
[03:57:28] <Tom_itx> if you're gonna run 5 axis, parport imo would be silly
[03:57:37] <GammaX> i agree with that one
[03:58:17] <Tom_itx> i'm out
[03:58:23] <GammaX> later man.
[03:58:27] <pcw_home> 'nite
[03:58:35] <GammaX> pcw_home, what you think about above patebin ^^?
[03:59:55] <pcw_home> looks vaguely correct...
[04:00:20] <GammaX> well that sounds good in my book! You have any used or returned merchandise on sale? :D
[04:01:14] <pcw_home> sometimes
[04:01:20] <pcw_home> blems
[04:01:32] <GammaX> oh and when I said waste my money on a mesa product it was not to be in a derogatory sense... I love you guys. I just wouldnt want to put such a nice piece of hardware into a stepper setup lol
[04:01:53] <GammaX> got any 6i25 blems?
[04:01:55] <pcw_home> you can also try stuff in halrun a bit at a time
[04:02:03] <GammaX> in stock?
[04:02:16] <pcw_home> I can check tomorrow
[04:02:30] <GammaX> that would be great, Id love to get one of them!
[04:04:00] <GammaX> the price isnt bad at all... im just broke and need to focus on making money before spending it... although if you have a blem.... I might be able to work that out. I had a 5i20 with all breakout boards and my stupid step mother threw it out along with my supermax!!!! lol Was in afghanistan past her "deadline"
[04:05:09] <pcw_home> Ouch
[04:05:16] <GammaX> yeah that hurt...
[04:05:50] <pcw_home> bbl eyelids drooping...
[04:06:04] <GammaX> now I have a pm45 with steppers and a hardinge hc with the same damn anilam controler I replaced on the supermax with your stuff! Makes me Angry thinkin about it lol
[04:06:08] <GammaX> later man, thanks
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[05:24:53] <ryan_turner> Hello! Are there any options for using linuxcnc without a parallel port or with a USB device?
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[05:28:17] <GammaX> ryan_turner, ofcourse. What setup do you have
[05:28:30] <GammaX> machine type, motor type?
[05:28:39] <ryan_turner> GammaX, I dont have a machine yet. I'd like to purchase a kit or a premade small machine.
[05:28:46] <GammaX> ohhhh
[05:28:51] <ryan_turner> I'd love to make my own, but I dont have access to any machine tools except for a 3D printer.
[05:29:04] <GammaX> well then that makes it hard...
[05:29:07] <ryan_turner> Im only interested in machining wood, circuit boards, and thin aluminum.
[05:29:22] <GammaX> well how big or a peice?
[05:29:30] <ryan_turner> I need a smaller machine, as Im a college student and dont have a ton of space. Envelope of 200 x 200 x 150 would be fine.
[05:29:41] <GammaX> is that mm?
[05:29:43] <ryan_turner> yes
[05:29:45] <GammaX> where u from anyway?
[05:29:48] <ryan_turner> Memphis TN
[05:29:55] <ryan_turner> and Tuscaloosa AL
[05:30:01] <ryan_turner> USA
[05:30:06] <GammaX> and you used the metric system?
[05:30:07] <GammaX> lol
[05:30:30] <GammaX> thats a VERY small foot print
[05:30:32] <ryan_turner> Picked it up from 3D printing
[05:30:37] <GammaX> ahhh
[05:30:40] <ryan_turner> Im willing to do more, but my budget is limited
[05:30:52] <GammaX> you want to buy a machine and convert it?
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[05:30:58] <ryan_turner> Sorry?
[05:31:17] <GammaX> dont be sorry many guys on here have small machines
[05:31:22] <ryan_turner> no I dont understand
[05:31:33] <ryan_turner> a machine and convert it <--- convert what? what sort of machine?
[05:31:45] <GammaX> a milling machine and convert it into cnc?
[05:32:22] <GammaX> im assuming your going for a cnc mill
[05:32:48] <ryan_turner> yes
[05:33:05] <ryan_turner> that is what I'd like to make. I'd love to build one if possible. I'd rather spend the time than money.
[05:33:09] <GammaX> I can help you a lot better if you tell me how much your wanting to spend...
[05:33:27] <GammaX> well that has its ups and downs....
[05:33:42] <GammaX> making it is gratifying but sometimes that turns into a never ending project....
[05:33:59] <ryan_turner> I understand, as I've built a 3D printer from scratch
[05:34:06] <GammaX> oh very nice
[05:34:08] <ryan_turner> and now I work for a company that designs and distributes 3D printers
[05:34:17] <ryan_turner> so I can certainly understand the "creep" lol
[05:34:20] <GammaX> it also depends on what kind of accuracy you want to get out of hte machine
[05:35:04] <ryan_turner> I'd love to just use 1.8 degree steppers, leadscrews, and linear rails.
[05:35:20] <GammaX> Once I get enough money from my business and expand I wiant to buld a Large laser cutter or plasma cutter
[05:35:29] <ryan_turner> Chances are though Ill end up with rods and bushings
[05:35:48] <GammaX> ryan_turner, how much initial investment do you want to put into it?
[05:36:00] <ryan_turner> I'd hope to get up and running for about $1.2k
[05:36:04] <ryan_turner> (if I built on my own)
[05:36:12] <ryan_turner> if a kit or something, I'd expect more like $1.5k
[05:36:47] <ryan_turner> I have low specs, so should be able to meet those reasonably easily.
[05:36:52] <GammaX> hmmm, you can buy a lot more of a machine for that price and then piece things together with soe extra cash with steppers for an extra... 300- a lot more depending on what u want.
[05:36:57] <ryan_turner> which gives me tons of options
[05:37:15] <ryan_turner> Is NEMA23 the standard for you guys?
[05:37:21] <ryan_turner> I have a ton of NEMA17 steppers
[05:37:30] <GammaX> luckily for you, you can make your own stepper mounts and such with the 3d printer and then make them in alum once the machine is up and running
[05:37:32] <ryan_turner> like... 8 spares or so
[05:37:38] <GammaX> well...
[05:37:47] <GammaX> this depends on setup...
[05:37:57] <GammaX> I have a bit larger of a hobby machine
[05:38:02] <GammaX> pm45cnc
[05:38:18] <GammaX> how many oz are those steppers?
[05:38:31] <ryan_turner> varying
[05:38:38] <GammaX> whats the range
[05:38:41] <GammaX> or avg...
[05:38:43] <ryan_turner> let me grab the info
[05:38:50] <GammaX> a guestimate is fine...
[05:39:27] <ryan_turner> 76 oz * in
[05:39:32] <GammaX> once thing youll prolly want is a ball screw over lead... lead screw will screw you over with backlash.... and thats no fun BUT you can get by for a bit and tinker with it with a leadscrew
[05:40:00] <GammaX> 76.... hmmm you can prolly get by with a 76 if you go SUPER slow and also have a gear reduction with belt drive.
[05:40:08] <ryan_turner> doh
[05:40:13] <GammaX> I have 570 ounce on x and y and a 1200 nema 34 on the z
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[05:41:04] <GammaX> but since you have the 3d printer... you can always test them out on a mount that you create... if too slow or w/e then get some cheap nema 23 from china..
[05:41:37] <ryan_turner> yeah
[05:41:37] <GammaX> http://littlemachineshop.com/3960
[05:41:40] <GammaX> as an example...
[05:42:14] <ryan_turner> Ok, was just told by a machinst friend that 200oz*in is pretty much the minimum
[05:42:36] <GammaX> like I said... its all dependant on what u want....
[05:42:56] <GammaX> if you have a TINY machine... 76ounce may get you by...
[05:43:04] <GammaX> I wouldnt recomend it but its possible! lol
[05:44:01] <GammaX> You can get some quality steppers and drivers from china for cheap. Also with a stepper config and the way your talking.... the parralell port would probably work more than adequate as it would be basicly free....
[05:44:47] <ryan_turner> I dont have a parallel port
[05:44:52] <GammaX> Many people on here use MESANET FPGA anything I/O cards but usually for servos setups.... a card and breakout board is about 250
[05:45:05] <ryan_turner> and I dont have a spare computer. I really dont wanna have to get another computer setup
[05:45:28] <GammaX> http://www.amazon.com/IO-Crest-SY-PCI10004-1-Parallel-32-Bit/dp/B003AVN6AW/ref=sr_1_6?ie=UTF8&qid=1369892711&sr=8-6&keywords=parallel+port
[05:46:22] <GammaX> the price is going to be A LOT cheaper with parport...
[05:47:58] <GammaX> I know its a lot bigger than what u wanted but for the price... a lot of people buy this for hobby stuff and can even do small production. as long as the accuracy isnt needed to be like .0005
[05:48:18] <ryan_turner> Ok, that should work.
[05:48:20] <GammaX> http://www.grizzly.com/products/Drill-Mill-with-Stand/G0704
[05:48:52] <GammaX> ryan_turner, just make sure you have either a spare pci or pci-e port on your MB and then buy accordingly...
[05:48:52] <ryan_turner> damn thats huge
[05:48:59] <ryan_turner> I live in a 15' x 15' bedroom
[05:49:03] <GammaX> lol
[05:49:03] <ryan_turner> in a rented house at college
[05:49:05] <ryan_turner> I dont have space for that
[05:49:07] <ryan_turner> :P
[05:49:12] <GammaX> then u want a lot smaller like a taig or sieg.
[05:49:22] <ryan_turner> I need something table top
[05:49:27] <GammaX> or as you said... home built...
[05:49:28] <ryan_turner> that I can enclose to catch the mess.
[05:50:18] <GammaX> sieg x2
[05:51:39] <GammaX> http://littlemachineshop.com/products/product_category.php?category=1387807683
[05:52:25] <ryan_turner> Does this typically operate without any sort of endstop or zeroing?
[05:52:45] <ryan_turner> or would you manually position it at the surface and define using code the position it should be in?
[05:53:42] <GammaX> either or, you can even use a probe to send all sides of your workpiece and the machine will auto zero and home...
[05:53:48] <GammaX> linuxcnc is very powerful
[05:54:38] <GammaX> http://www.grizzly.com/products/Mini-Milling-Machine/G8689
[05:56:02] <ryan_turner> That looks like a good price and size
[05:56:14] <GammaX> or this http://www.harborfreight.com/two-speed-variable-bench-mill-drill-machine-44991.html
[05:56:16] <ryan_turner> So I can picture how I'd print hte mounts for the X and Y
[05:56:18] <GammaX> same thing basicly.
[05:56:35] <ryan_turner> awww yeah
[05:56:38] <ryan_turner> yep, pretty much the same
[05:56:46] <ryan_turner> and Ill just make clones of the parts in case shit breaks
[05:56:55] <GammaX> lol you could
[05:57:01] <GammaX> with better quality stuff...
[05:57:05] <ryan_turner> what would Z motor mounting be like?
[05:57:16] <GammaX> a nice thing to do on these is change out the bearings and make a belt drive.
[05:57:19] <ryan_turner> Just replace the handle bullshit?
[05:57:33] <ryan_turner> belt drive for what?
[05:57:53] <ryan_turner> like a reducer for the steppers?
[05:57:56] <ryan_turner> or for the head?
[05:58:18] <GammaX> belt drive to go from the motor to the quill
[05:58:34] <GammaX> many ways you can do it...
[05:58:45] <GammaX> belt drive off to the side...
[05:58:47] <ryan_turner> to make Z carriage heavier?
[05:58:55] <ryan_turner> quill = ?
[05:58:55] <GammaX> direct drive it with a ztepper
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[05:59:26] <GammaX> the part that spins lol
[05:59:28] <GammaX> http://www.hossmachine.info/
[05:59:43] <GammaX> im not a big advicate of this guy but theres a pleather of info on his sites
[06:02:29] <GammaX> so what do you think so far?
[06:03:13] <GammaX> If you buy that sieg you can probably get a hole ball screw kit, steppers and drivers for under 1.2k... and be up and running!
[06:03:27] <ryan_turner> trying to sort out what all of this means lol
[06:03:37] <GammaX> lol ask any questions
[06:03:59] <GammaX> theres usually a lot more people in here during day time too FYI
[06:05:00] <GammaX> the stock speed is about 2k rpms on that thing but with hoss' belt drive conversion you can run at 6k rpm.. a lot more ideal for any type of engraving and pcb milling.
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[06:09:09] <GammaX> I think youd be waiting a long time for a harbor freight one by the way... un less somehow a store miraculously had it!
[06:09:16] <GammaX> grizzly stocks them.
[06:10:28] <ryan_turner> I think Im going to go with a smaller taig
[06:11:15] <GammaX> arnt they close to the same price?
[06:13:52] <GammaX> http://www.ebay.com/itm/Taig-gecko-cnc-mill-milling-machine-engraver-router-/151045277752?pt=LH_DefaultDomain_0&hash=item232b000838
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[06:14:49] <GammaX> it may be smaller but you wont get NEARLY the same amount of rigidity as the sieg.... hense tollerances will be affected quite abit. just go slow while stepping.
[06:16:21] <GammaX> and actually... the taig costsmore! lol
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[08:19:20] <RyanS> hmmm, sieg SX2 is $1,040 in Australia and that's not even CNC
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[08:31:33] <Valen> went to a woodworking place today
[08:31:37] <Valen> they had CnC machines
[08:31:43] <Valen> $6000 and they were made of plastic
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[08:34:32] <Valen> (in sydney)
[08:34:45] <RyanS> yeah I've seen those crappy Routers
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[08:39:49] <RyanS> If you're building a cnc mill from scratch do you need a plethora of measurement tools?
[08:40:05] <Valen> not really
[08:40:08] <Valen> well I don't think so
[08:40:28] <Valen> most of the stuff isn't done by "measuring" as such, its not precise enough ;->
[08:40:49] <Valen> ideally you want to go back to the first principles they used to *make* the measuring tools
[08:41:07] <RyanS> How would you line up in the linear slides.... For example
[08:41:33] <Valen> I want to use a laser and a camera
[08:42:43] <RyanS> right you basically analyse the image?
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[08:45:09] <Valen> yeah
[08:46:02] <RyanS> is tormach a bit full of it? Their machines are still built in China
[08:46:14] <Valen> never seen one in the flesh
[08:47:31] <RyanS> And no doubt if they are $7k in the US, they will be $14k in Australia
[08:48:07] <Valen> sometimes they aren't insane
[08:52:37] <RyanS> the ATC option price is ABSURD $4k. You could just get a power drawbar and machine your own tool rack at the end of X
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[10:15:06] <DJ9DJ> tag
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[13:33:25] <Aero-Tec> multi start threading and making feed screws
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[13:33:46] <IchGuckLive> hi all B)
[13:34:05] <Aero-Tec> can that be done with G76?
[13:35:40] <IchGuckLive> Aero-Tec: the G76 has been improved on 2.5.2 are you on this version
[13:36:17] <Aero-Tec> also if one is making feed screws with variable pitch would that be a G33 move only or can one string several G76 together in one move?
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[13:36:40] <Aero-Tec> I believe I am
[13:39:44] <Aero-Tec> will be if I am not yet
[13:39:53] <Aero-Tec> 2.5 for sure
[13:40:16] <Aero-Tec> just updated not long ago so should be 2.5.2
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[13:42:29] <IchGuckLive> in your case i woudt go forr a chain G33
[13:43:08] <Aero-Tec> so how do you do the multi start?
[13:43:21] <Aero-Tec> move the starting point og the thread?
[13:44:02] <IchGuckLive> is the part Z free or is there a holder against
[13:44:21] <Aero-Tec> so a 2 start thread the start for the second thread would be move .5 of the pitch?
[13:45:09] <IchGuckLive> yes
[13:45:17] <Aero-Tec> have not worked that out for sure yet, but I was thinking it would be z free
[13:46:38] <IchGuckLive> http://www.gewindetechnik-molls.de/technische-erklaerungen.shtml
[13:47:01] <Aero-Tec> thing is for a feed screw with a very coarse pitch not sure if I would have the free z or not, may have to extend the chuck end to make screw and trim later
[13:49:56] <IchGuckLive> a standard one is not usable
[13:51:45] <IchGuckLive> http://maedler.de/product/1643/1620/2030/2043/trapezgewindespindeln-zweigaengig-rechts-stahl-laenge-1m
[13:52:01] <Aero-Tec> IchGuckLive what do you mean by a standard one is not usable?
[13:52:04] <IchGuckLive> TR 12x6 P3
[13:52:16] <IchGuckLive> there are ready made ones cheep
[13:52:32] <IchGuckLive> 1m for 20USD
[13:52:43] <IchGuckLive> = 3'
[13:52:54] <IchGuckLive> 3 feet long
[13:53:14] <IchGuckLive> Tr 16x8 P4
[13:53:44] <Aero-Tec> I am wanting to try and make a plastic extrusion screw
[13:53:54] <IchGuckLive> theese are all Double tread
[13:54:03] <IchGuckLive> ah
[13:54:12] <Aero-Tec> they very in pitch and depth
[13:54:51] <IchGuckLive> so go for a try
[13:54:57] <Aero-Tec> and have very large valleys and small peeks
[13:56:01] <Aero-Tec> I would guess only G33 would work, can one string several G33 together in one long synchronous move?
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[13:56:41] <IchGuckLive> i never tryd this
[13:57:02] <IchGuckLive> just do it and look how the mashine acts on this
[13:58:00] <tjtr33> http://en.wikipedia.org/wiki/File:Plastic_extruder_screw.jpg tricky and that pic isnt multi lead
[13:58:46] <Aero-Tec> also by moving the start over a few tho would that allow one to make feed screws with very large valleys?
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[13:58:59] <IchGuckLive> long foam dowels do have double tread
[14:00:09] <Aero-Tec> tjtr33, yes that is close to what I am wanting to do, or try
[14:01:21] <Aero-Tec> foam dowels?
[14:01:28] <Aero-Tec> never heard of them
[14:05:22] <L84Supper2> for pining foamboard?
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[14:07:11] <IchGuckLive> google picturesearch "styropordübel"
[14:07:43] <IchGuckLive> http://ecx.images-amazon.com/images/I/31wVBGvpCzL._SS400_.jpg
[14:07:51] <Aero-Tec> http://www.youtube.com/watch?v=ACvRilmIKDQ&feature=related
[14:08:07] <Aero-Tec> this gives me hope as to being able to do it
[14:09:25] <tjtr33> multi lead on linuxcnc http://www.youtube.com/watch?v=dqk2pf2yRwQ
[14:09:58] <tjtr33> and John tapered video, 'just' combine them hedh
[14:11:59] <tjtr33> fusee, not taper
[14:13:47] <tjtr33> ah he varies kxz thru the lookup table, very nice code
[14:14:29] <IchGuckLive> 2 times depth then side
[14:16:10] <tjtr33> IchGuckLive, maybe some money in bone implant screws :)
[14:16:32] <IchGuckLive> there are so many how do this
[14:17:17] <IchGuckLive> teeth scew fixing is a spreding servise
[14:17:36] <IchGuckLive> 20cent the part selling for 25USD
[14:21:23] <IchGuckLive> i uploaded the english gamepad linuxcnc pendand video http://youtu.be/i0nB1kCrGEc can someone look if sound and HD quali in full screen is readable to the Hal
[14:22:03] <Loetmichel> IchGuckLive: seems reasonable
[14:22:34] <IchGuckLive> thanks as im from your country it is not the best english
[14:22:48] <Loetmichel> i had an exexexexboss who selled glass drilling amchines. Chinese customer asked if the o-rings on the spindle are regular ones...
[14:23:14] <Loetmichel> "OF COUSTE NOT. Hold it, i will sell you some with an invoice!"
[14:24:16] <Loetmichel> so he sended me out to the hydraulics shop, i bought a pack of 100 rings for about 2,5DM... then he got 4 rings out of the pack, put them in an envelope with an invoice in exeed of 250 DM ;-))
[14:24:29] <IchGuckLive> Loetmichel: question on you as you are the PRO is the filename on youtube visable to the viewers
[14:24:44] <Loetmichel> no idea
[14:25:13] <Loetmichel> iirc the standard is to use the filemane as title, but i THINK that can be changed
[14:25:46] <tjtr33> nice little AB trunnion cutting ceramic fro implants http://www.youtube.com/watch?feature=player_embedded&v=JSzuA9mcyXE#!
[14:27:06] <IchGuckLive> 25k USD
[14:27:19] <IchGuckLive> at 0.001mm
[14:28:33] <IchGuckLive> there are so many of this around all the same stuff
[14:29:23] <IchGuckLive> on 40k you can get the scanner includet and full automated with part placing and nesting
[14:31:04] <IchGuckLive> maybe we will see a cnc milling in a real humen mouth , in our livetime
[14:31:25] <IchGuckLive> ok im off till later
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[14:35:21] <DJ9DJ> re
[14:36:44] <tjtr33> IchGuckLive: nice video on the joypad, nice to see all the pieces in one place. yeah i know you left, but thx
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[14:46:06] <Aero-Tec> yes it is a nice vid
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[16:01:24] <tjtr33> stereolithography meets sci-fi , the Nanofax machine from William Gibson's All Tomorrow's Parties http://tinyurl.com/lgpcucc
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[16:03:38] <tjtr33> (found looking at the Cybaman Replicator a real but mis-named ABC axis http://www.cybamantech.co.uk/res/img/custom/cybamanr_lg.jpg
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[16:35:17] <ssi> ISE is such a pig
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[16:37:00] <Tom_itx> just like avr studio
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[16:45:05] <pcw_home> At least they dumped the binary project file, that was a major pain when it (predictably) got broken
[16:45:17] <ssi> yeah
[16:45:32] <ssi> this is like the fourth time I've had to download and install it
[16:45:33] <ssi> heh
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[16:45:49] <willburrrr2003> good Morning all :)
[16:45:58] <ssi> what sucks is I run SSDs in my computers as a rule, adn the ISE download is like a tenth of my TOTAL hard drive
[16:46:14] <pcw_home> After some point I gave up on downloads and just ordered the DVD
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[16:47:22] <ssi> probably wise
[16:47:32] <ssi> well one download was because I accidentally got "vivado" instead
[16:48:59] <willburrrr2003> I figured out my ngcgui issue Tuesday night, the error was because it did not like the courior font.... I switched it to helvitica and it loaded right up without issues
[16:49:17] <JT-Shop> fonts can be a pain
[16:49:33] <JT-Shop> another good reason to change one thing at a time :)
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[16:49:59] * JT-Shop wanders inside for some chow
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[16:50:54] <IchGuckLive> hi all B)
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[17:00:23] <PetefromTn> Hello everyone..
[17:00:29] <IchGuckLive> hi
[17:00:37] <PetefromTn> hey ich..
[17:00:48] <IchGuckLive> PetefromTn: did your naighbour connect you
[17:01:04] <PetefromTn> huh? connect me to what?
[17:02:33] <PetefromTn> IchGuckLive Not sure what you mean man. How are you?
[17:04:09] <IchGuckLive> there has been a person in your naibourhood that woudt do a cnc with linux and woudt like to talk to you
[17:04:30] <PetefromTn> oh really who?
[17:05:54] <IchGuckLive> trying to search the logs for you
[17:06:24] <PetefromTn> as long as it is not r00t2d3d fella I am willing to meet other CNC'ers LOL.
[17:07:12] <jthornton> lol
[17:07:19] <willburrrr2003> does anyone have a source for the ngcgui lathe files, I lost the help files for mine somewhere along the upgrades I have done
[17:07:46] <jthornton> help files?
[17:07:50] <archivist> lost!, miss laid more like
[17:07:54] <PetefromTn> Connor hey man ya there?
[17:08:20] <Connor> PetefromTn: For about 20 seconds.. about to head out for lunch
[17:08:33] <willburrrr2003> maybey not the right wording, they are more like pic files that show the various elements for the routine and some had a brief description of operation
[17:08:34] <PetefromTn> howzitgoin?
[17:09:02] <willburrrr2003> they showed up on some routines next to the other window where you put the parameters in
[17:09:04] <IchGuckLive> ryan_turner: pete
[17:09:22] <jthornton> did you get the ngcgui subroutines from my web site?
[17:09:41] <IchGuckLive> !seen ryan_turner:
[17:09:41] <the_wench> Never heard of the entity you ask for
[17:09:53] <IchGuckLive> !seen ryan_turner
[17:09:53] <the_wench> Never heard of the entity you ask for
[17:09:57] <PetefromTn> hmm... What did he say, does he live near knoxvegas?
[17:10:16] <willburrrr2003> I got them a couple yearts ago from JTshop and Bigjohn
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[17:11:04] <jthornton> they are still on my web site then :)
[17:11:26] <IchGuckLive> PetefromTn: just hit his nick in the sidelist and give him a messege
[17:11:27] <ryan_turner> Hey!
[17:11:34] <willburrrr2003> Jthornton > ok, what is your website
[17:11:34] <IchGuckLive> here it is
[17:11:35] <ryan_turner> Damn, you're in knoxville?
[17:11:36] <Connor> PetefromTn: Not to good at the moment. Allergies + Bronchitis
[17:11:37] <PetefromTn> Hey!
[17:11:45] <jthornton> gnipsel dot com
[17:11:53] <PetefromTn> Connor My wife is home sick today too sucks..
[17:12:15] <PetefromTn> ryan_turner Yeah man no I am in Maryville..
[17:12:31] <ryan_turner> ouch, opposite end
[17:12:33] <ryan_turner> Im in Memphis
[17:12:41] <archivist> jthornton, why you hide the url, more links from the logs are useful in improving search results
[17:12:44] <PetefromTn> Yeah that might as well be LA.
[17:12:49] <ryan_turner> yep
[17:13:08] <jthornton> archivist, dunno why just a habit I guess
[17:13:13] <jthornton> www.gnipsel.com
[17:13:25] <Connor> PetefromTn: Sorry to hear that.. I'm out the door.. back in a while.
[17:13:29] <jthornton> wee that works
[17:13:32] <PetefromTn> Connor Cya...
[17:13:48] <PetefromTn> ryan_turner what did you want to know about man?
[17:14:01] <ryan_turner> I dont know jack about cnc mills
[17:14:05] <ryan_turner> but I'd like to build one.
[17:14:10] <PetefromTn> LOL me neither...
[17:14:17] <PetefromTn> What kinda mill?
[17:14:19] <archivist> jthornton, I would call it legal SEO :)
[17:14:21] <ryan_turner> Talked to a few of my associates about it yesterday night and seemed that I have two good routes
[17:14:31] <ryan_turner> either get an X2 and make it CNC
[17:14:33] <willburrrr2003> jthornton, there is only one ngcgui routine there for OD radius?
[17:14:51] <ryan_turner> or buy a fireball v90 and plan to go slow but make my own in time.
[17:15:05] <PetefromTn> just a hobby then?
[17:15:05] <ryan_turner> the fireball route would be much faster and cheaper for me to do
[17:15:19] <ryan_turner> Yeah
[17:15:26] <ryan_turner> For work I play with 3D printers
[17:15:27] <jthornton> willburrrr2003, I see one OD and one taper OD
[17:15:31] <ryan_turner> but that's totally different
[17:15:44] <jdh> I thought the fireball was a router
[17:15:53] <ryan_turner> jdh, yeah, something like 4" z travel
[17:15:55] <PetefromTn> Personally I have no use for the tiny machines but if it is just for fun hey why not..
[17:16:05] <jthornton> are you on this page? http://www.gnipsel.com/shop/hardinge/hardinge.xhtml
[17:16:07] <ryan_turner> PetefromTn, my main use is machining PCBs and aluminum plates.
[17:16:21] <jdh> two completely different tasks
[17:16:22] <ryan_turner> and playing with wood would be cool too, I want to get into wood working when I get more space.
[17:16:27] <PetefromTn> then if you want to machine aluminum plates you need a mill not a router...
[17:16:43] <ryan_turner> PetefromTn, I was told that the router would do aluminum just be much slower at it
[17:16:49] * jthornton thinks a nap is in order now
[17:16:52] <ryan_turner> and not an officially supported thing
[17:17:06] <PetefromTn> sure can and you can file a boat from a hunk of steel...
[17:17:15] <ryan_turner> lol
[17:17:32] <ryan_turner> Well, if I went the X2 route, what would you recommend?
[17:17:50] <willburrrr2003> jthornton , no I am on the one linked under your linuxcnc page
[17:17:51] <ryan_turner> I've tried to look at that, but there are too many damn variants and people saying that ones better than the other etc etc
[17:17:59] <ryan_turner> and to my eyes I dont see the differences.
[17:18:03] <PetefromTn> I would not recommend the X2 at all...
[17:18:31] <ryan_turner> PetefromTn, ok. Total machine with no tooling, $1,400 shipped. What could I do?
[17:18:45] <PetefromTn> Honestly having built an RF45 and now CNC'd my Cincinatti Arrow 500 VMC I am of the opinion that if you want a CNC, then buy a CNC.
[17:18:49] <willburrrr2003> jthornton, now I see them all :) , Thanks
[17:18:59] <ryan_turner> ah
[17:19:11] <PetefromTn> I would look for something like a used benchtop CNC mill that is ALREADY CNC.
[17:19:21] <pcw_home> Man, cnczone is really borked
[17:19:36] <ryan_turner> PetefromTn, okie dokie
[17:19:51] <PetefromTn> There are some quite fine german made CNC mills that you can pick up for cheap with older controls that you can easily retrofit
[17:20:11] <PetefromTn> Or perhaps a Taig CNC mill or similar..
[17:20:30] <PetefromTn> pcw_home Don't even get me started on CNCzone problems..
[17:22:31] <PetefromTn> ryan_turner perhaps something like this... http://www.youtube.com/watch?v=LdrFHbUUUKE
[17:23:24] <PetefromTn> or this.... http://www.youtube.com/watch?v=8ZbK2Xx8gNY
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[17:43:37] <IchGuckLive> PetefromTn: the terco is to slow he needs speed
[17:43:57] <IchGuckLive> what if you give him a hint for some cheep rails
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[17:44:27] <IchGuckLive> a standard leadshine or gecko kit
[17:44:41] <IchGuckLive> c10 BOB
[17:44:51] <IchGuckLive> thats all hee needs
[17:45:01] <IchGuckLive> homedepo fram
[17:45:05] <IchGuckLive> e
[17:46:10] <PetefromTn> lol...
[17:46:55] <IchGuckLive> for pcb its good to go
[17:47:34] <PetefromTn> IchGuckLive Why do you say the terco is slow, seen a couple vids on them cutting plastic etc...
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[17:49:04] <IchGuckLive> not more then 1500mm/min 65ipm
[17:49:17] <IchGuckLive> on standard pitch
[17:50:05] <PetefromTn> with new motors and drives I bet we could IMPROVE that LOL.
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[17:52:42] <IchGuckLive> agree iv seen ballbearing treads also
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[17:53:47] <PetefromTn> Honestly the point I was trying to make was that it is MUCH easier to retrofit a machine that is ALREADY CNC then one that is not. And usually the results are better.
[17:54:53] <IchGuckLive> agree also but its a small place he got and only wants to try out this so its worth to talk about minimum requirermente
[17:55:15] <IchGuckLive> sbr12 12" at 60usd
[17:56:11] <IchGuckLive> or even the heavy stuff sbr20 same prce 2 rails
[17:56:52] <IchGuckLive> from vancouver http://www.ebay.com/itm/Two-20mm-SBR20-305mm-12-FULLY-SUPPORTED-LINEAR-RAIL-SHAFT-ROD-4-SBR20UU-/151051196265?pt=BI_Heavy_Equipment_Parts&hash=item232b5a5769
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[17:57:20] <IchGuckLive> so 180USD for all the stuff
[17:58:02] <IchGuckLive> Yon X Z fix
[17:58:14] <IchGuckLive> one table and done
[17:58:22] <IchGuckLive> some plywood 1
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[17:59:17] <IchGuckLive> http://stores.ebay.com/VXB-Bearings-Skateboard-and-Slotcar?_trksid=p2047675.l2563 at your driving range
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[18:00:39] <IchGuckLive> PetefromTn: this is the most expensive shop ive ever seen
[18:01:09] <IchGuckLive> standart LM20UU 10pc 710USD in china its 36USD
[18:03:18] <PetefromTn> what is the most expensive shop youve ever seen?
[18:03:43] <PetefromTn> http://www.youtube.com/watch?v=lmpYBtwLSnk
[18:03:49] <PetefromTn> this is also a nice small machine.
[18:04:27] <IchGuckLive> vbx bearing
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[18:10:33] <IchGuckLive> PetefromTn: the mashine is 9k euros
[18:10:39] <IchGuckLive> http://www.exapro.de.com/dyna-metronics-dyna-mite-2800-cnc-frasmaschine-vertikal-p20320266/
[18:11:00] <IchGuckLive> from 1993
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[18:18:16] <IchGuckLive> im off By
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[18:38:12] <tjtr33> PetefromTn, http://tinyurl.com/mxmfjg2 cnc atc pallet chgr too some tooling & visit a great cnc boneyard in Cleveland
[18:39:36] <PetefromTn> tjtr33 Hey man that is interesting. I am unfortunately TOTALLY broke right now.
[18:40:07] <PetefromTn> Could definitely use some Cat40 toolholders tho.
[18:40:26] <PetefromTn> Still have not found the cash for a 3/4 inch one to hold my new electronic edge finder.
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[18:45:47] <JT-Shop> what do you use the edge finder for?
[18:46:12] <PetefromTn> JT-Shop is this a serious question LOL?
[18:46:13] <cradek> HGR is awesome but half their stuff looks like it was dropped off a forklift
[18:46:27] <PetefromTn> cradek Agreed..
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[18:47:11] <cradek> PetefromTn: been to CTR? different kind of place but at least as awesome
[18:47:43] <JT-Shop> PetefromTn: yep
[18:47:51] <PetefromTn> cradek What is CTR besides a religous reference...LOL?
[18:47:58] <cradek> http://ctrsurplus.com/
[18:48:03] <cradek> also in OH
[18:48:07] <PetefromTn> JT-Shop Well to find the edge of course...
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[18:48:41] <JT-Shop> I never use an edge finder, I set the edge with a dowel in the spindle... much faster
[18:48:58] <PetefromTn> This one is actually able to set Z as well all with one tool.
[18:49:28] <cradek> JT-Shop: you can't zero on a corner that way can you? an edgefinder can do that (in two steps)
[18:50:11] <PetefromTn> well yeah you can, once in X and once in Y I suppose using paper between or something.
[18:50:19] <JT-Shop> no, but the Y edge of the rear jaw in the vise is already set to 0 when I home so I only need to set X0 and find Z0
[18:50:39] <PetefromTn> JT-Shop Thats true.
[18:51:03] <JT-Shop> I understand remaching you might need to use an edge finder to find a feature on a part
[18:51:27] <cradek> I'm all for only using them when necessary - they're a bit tedious
[18:51:37] <cradek> wiggler is worse but more flexible
[18:51:39] <jdh> isn't the dowel just a rigid edge finder
[18:51:52] <PetefromTn> I'd like to make this my tool number zero for setting everything.
[18:51:56] <cradek> I assume he means he pushes the work against the dowel and then tightens the vise
[18:52:00] <PetefromTn> jdh yup/
[18:52:02] <JT-Shop> so I put the 1/2 dowel in the spindle and move to a point and call it X0.25 and slide the material up to the dowel
[18:52:16] <JT-Shop> cradek: yep
[18:52:39] <cradek> it's just a kind of work stop
[18:52:45] <cradek> you could also put one on the vise
[18:52:57] <PetefromTn> I like vise stops...
[18:53:22] <JT-Shop> I do put one in the vise if I have more than one part to make and slide it up to the material
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[18:53:31] <PetefromTn> honestly I need the edge finder to hopefully very accurately pickup the vise corner so I can use them.
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[18:55:19] <JT-Shop> I use the edge finder once to find Y0 on the vise but have not found the X edge of the jaw to be of any use for setup
[18:56:02] <cradek> sometimes I'll put work against the X edge (using a 123 block as a flat)
[18:56:08] <cradek> but, eh
[18:56:28] <PetefromTn> thats what I do a lot...
[18:56:51] <JT-Shop> I usually center the material in my vise(s)
[18:58:02] <PetefromTn> How do you center it?
[18:58:19] <cradek> it just has to be near the center (over the screw)
[18:59:11] <JT-Shop> say my material is 4" wide, I put the 1/2" dowel in the spindle and move to X6.75 (center of right vise is 4.5) and jog down then slide the material up to the dowel
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[19:01:13] <JT-Shop> in LinuxCNC I just eyeball the dowel and slide the material up to the dowel and touch off to X0.25
[19:01:28] <PetefromTn> JT-Shop Okay I see.. Like I said once the vise offsets are accurately input then you can certainly rely on these methods.
[19:02:19] <JT-Shop> you only need the Y
[19:03:47] <JT-Shop> the X0 will vary with the part
[19:05:32] <PetefromTn> agreed, I almost strictly use CadCam for my machining unless it is just drill a hole or machine a slot or surface something...
[19:09:08] <JT-Shop> I do as well, and position the part in the CAM program to suit the machine I'm using.
[19:10:24] <PetefromTn> JT-Shop Yup thats what I do. Basically draw the part with the material included and make the corner of the material the zero point..generally anyways..
[19:12:43] <Tom_itx> JT-Shop, what do you set your z to?
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[19:20:27] <JT-Shop> top of the material usually
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[20:21:27] <GammaX-Shop> Hey guys
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[20:35:04] <GammaX-Shop> Tom_itx: you on?
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[20:43:45] <alpha1125> .iH
[20:44:01] <alpha1125> sdrawkcab gnipyt m I wohemos ...ftwnA
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[20:44:42] <alpha1125> Hi.
[20:44:48] <alpha1125> now I'm typing normally again.
[20:45:05] <alpha1125> Anyone able to validate a simple circuit? http://imgur.com/ApAPiHG
[20:45:46] <PCW> you probably want a diode across the solenoid coil
[20:46:04] <DJ9DJ> yeah, freewheeling diode ftw
[20:46:13] <alpha1125> freewheeling?
[20:46:14] <DJ9DJ> extends the transistors lifetime ;)
[20:46:20] <alpha1125> I was thinking a zenoid or something
[20:46:56] <alpha1125> what's the diode going to do in this circuit? I know what diodes do, but not in this case… diodes allow current flow in one direction only.
[20:47:04] <PCW> A normal diode will do if you dont need fast release times
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[20:47:16] <DJ9DJ> sorry, what is a zenoid?
[20:47:33] <alpha1125> zener
[20:47:38] <alpha1125> http://en.wikipedia.org/wiki/Zener_diode (my bad)
[20:47:39] <PCW> sounds like science fiction to me
[20:47:46] <DJ9DJ> the diode should protect the transistor from high voltages induced by the solenoid
[20:47:56] <DJ9DJ> ah!
[20:48:05] <DJ9DJ> nope, no zener diode, just a normal one
[20:48:53] <alpha1125> well, I have some 1amp zener diodes in a box… probably will work just fine? (that's a question)
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[20:49:41] <DJ9DJ> hmm, depends on the zener voltage of these diodes...
[20:49:50] <DJ9DJ> should be higher than your 12 volts
[20:49:56] <PCW> if its high voltage then the 12V it might work but a normal 1n4001 is better
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[20:51:01] <PCW> sometimes zeners are use for higher speed operation but you need back-back zeners or zener+normal diode for that
[20:51:15] <DJ9DJ> http://www.siongboon.com/projects/2006-06-19_switch/flyback_diode.gif
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[20:53:08] <alpha1125> DJ9DJ the diode is reversed?
[20:53:19] <alpha1125> is that diode reversed?or proper direction?
[20:53:40] <alpha1125> agh… now that makes sense…. cause the way I'm thinking of it.
[20:54:05] <alpha1125> it's the current bouncing back, it has a place to go… through the diode, back into the solenoid.
[20:54:28] <DJ9DJ> of course, during normal operation, the diode must block
[20:54:36] <alpha1125> yes.
[20:54:41] <DJ9DJ> yeah, thats the idea
[20:54:43] <alpha1125> I think I have a bunch of these in a drawer
[20:54:43] <alpha1125> 1N4004
[20:55:03] <DJ9DJ> if you switch the solenoid off, the current can flow through the diode and does not do any harm
[20:55:10] <alpha1125> can I have these near the NPN, or should these be as close as possible to the solenoid?
[20:55:24] <DJ9DJ> otherwise, you might get a high voltage across the transistor, which might kill your npn
[20:55:32] <andypugh> For protecting relays from motors an H-bridges can be useful (in the case of a reversible motor)
[20:55:49] <alpha1125> andypugh good call, but these are solenoids (on/off).
[20:55:57] <alpha1125> albeit cheap ones from china...
[20:56:28] <DJ9DJ> best would be to place the diode directly across the solenoid
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[21:00:19] <DJ9DJ> gn8
[21:01:12] <DJ9DJ> good night, gents
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[21:15:43] <alpha1125> Nice, in the draw I had some TIP121, and 1N4001. Now I need to find my bread board, and tinker.
[21:15:46] <alpha1125> drawer*
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[21:23:05] <skunkworks> http://www.youtube.com/watch?v=nZDxcuumsvs
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[21:31:11] <GammaX-Shop> ok i tried adding in this to my parport configged hal file and got encoder.0 not found. http://pastebin.com/yaBhC0J1
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[21:34:19] <GammaX-Shop> any help?
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[21:35:51] <andypugh> what does dmesg say?
[21:36:23] <cradek> have a look at the manpage, or use halcmd show, to see what the FUNCTIONS are
[21:36:31] <cradek> you've guessed encoder.0 but that is incorrect
[21:36:51] <PetefromTn> sounds like a game show host LOL..
[21:37:17] <andypugh> 00004 fc98c164 fc9450b8 YES 0 encoder.capture-position
[21:37:17] <andypugh> 00004 fc98c000 fc9450b8 NO 0 encoder.update-counters
[21:37:47] <andypugh> All encoders share a pair of functions, one for the base thread and one for the servile thread
[21:38:05] <GammaX-Shop> lol
[21:39:33] <GammaX-Shop> cradek: that code was made by someone else.. and actually checked by someone differant than that person lol
[21:39:34] <skunkworks> GammaX-Shop: there was a discussion with tom about this last nigh
[21:39:36] <skunkworks> night
[21:39:44] <GammaX-Shop> skunkworks: yeah he made my code haha
[21:39:54] <skunkworks> right - and it had some problems ;)
[21:40:15] <andypugh> Random clustered round me I have a 7i73, RPi and BBB. Aren't RJ45 connectors huge by the standards of everything else nowadays?
[21:40:15] <GammaX-Shop> apparently so haha
[21:40:20] <GammaX-Shop> way to go! Tom_itx
[21:40:45] <skunkworks> eh - tom uses real interface hardware ;)
[21:41:14] <GammaX-Shop> I wish i had some money to buy mesa stuff :(
[21:41:27] <PetefromTn> Mesa is real nice stuff..
[21:42:11] <andypugh> Given 5 pins on a device that I know to be Hall sensors + 5V + gnd, how can I figure out which is which?
[21:42:14] <GammaX-Shop> I had a 5i20 with break out boards and my step mother through them out..... along with my supermax tht it was connected too!
[21:42:44] <PetefromTn> how does a stepmother throw out a supermax mill?
[21:42:46] <andypugh> Yikes! And Cinderalla thought hers was wicked!
[21:43:01] <PetefromTn> talk about wicked stepmother...
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[21:43:07] <PetefromTn> Cruella deville.
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[21:43:44] <GammaX-Shop> PetefromTn: a step mother calls a tow truck. Tow truck pulls machine out of garage and loads it on its ramp--- => Trailer.Thrown.out
[21:44:06] <PetefromTn> jeez that's a determined woman.
[21:44:44] <GammaX-Shop> yeah man.... I had it there for storage and apparently she didnt like it....
[21:44:52] <andypugh> I am guessign that this didn't happen completely without warning, or on a whim?
[21:45:31] <GammaX-Shop> andypugh: apparently an email was sent out 3 days prior I didnt get the email till 3 weeks after it was taken...
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[21:46:37] <GammaX-Shop> And im actually telling the truth with this one.... I couldnt believe it...
[21:47:30] <PetefromTn> Did she at least sell the damn thing and give you some cash back for it?
[21:48:20] <GammaX-Shop> no they had it brought to a recycling facility.... where they got 300 dollars for it and that money went back into repairing the driveway with the way it was dragged out.
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[21:48:58] <PetefromTn> Sounds like somebody needs a pad of their own, preferrably with a nice sized garage.
[21:49:40] <GammaX-Shop> PetefromTn: I was deployed overseas....
[21:49:48] <GammaX-Shop> no point in havnig a pad lol
[21:49:50] <PetefromTn> Oh the humanity...
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[21:54:01] <GammaX-Shop> jthornton: tornados hitting ur house again? Sat Internet sucks! I had it once... Oh the horror
[21:54:27] <GammaX-Shop> cradek: any thoughts on what the function would be?
[21:55:09] <skunkworks> GammaX-Shop: http://www.linuxcnc.org/docs/2.5/html/man/man9/encoder.9.html
[21:57:02] <andypugh> GammaX-Shop: I already listed the functions.
[21:57:28] <GammaX-Shop> andypugh: just confused on where to put them...
[21:57:31] <Tom_itx> GammaX-Shop, i had no way to test the code
[21:57:43] <GammaX-Shop> Tom_itx: Haha its all good brother.
[21:57:45] <Tom_itx> but i thought i'd get you headed in a direction
[21:58:12] <andypugh> addf the "YES" one to the servo thread and the NO one to the base thread.
[22:04:09] <JT-Shop-2> just some weather atm
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[22:07:24] <PetefromTn> JT-Shop Hopefully just a thunderstorm and not the T word...
[22:07:54] -!- asdfasd has quit [Ping timeout: 264 seconds]
[22:08:48] <JT-Shop> yea I don't see any red on radar atm
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[22:10:07] <PetefromTn> Well thats good.
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[22:15:02] <GammaX-Shop> andypugh: changed what you said and got, 110: setp requires 2 arguments,3 iven. (I have setp parport.1.pin-13-in => 3 encoder.0.phase-A
[22:16:16] <GammaX-Shop> there is no 3in there^^
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[22:27:15] <GammaX-Shop> Tom_itx: anythoughts on that one? ^^
[22:27:18] <Tom_itx> JT-Shop we just got rain
[22:27:30] <Tom_itx> same storm you're gettin probably
[22:27:34] <JT-Shop> just a few drops here
[22:27:43] <Tom_itx> sunny now
[22:27:54] <GammaX-Shop> everyone should move to denver
[22:28:25] <Tom_itx> remove the 3
[22:28:47] <Tom_itx> setp parport.1.pin-13-in => encoder.0.phase-A
[22:28:54] <PetefromTn> Denver is a beautiful city..
[22:30:46] <PCW> also lose the =>
[22:31:11] <Tom_itx> naw add a couple more
[22:31:27] <Tom_itx> helps the signal get there better
[22:31:35] <PCW> they are ignored on net commands but bollix up setp commands
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[22:34:09] <Tom_itx> not so consistent
[22:38:11] <Tom_itx> is that documented somewhere?
[22:39:00] <GammaX-Shop> Tom_itx: PCW it now just has an error saying (parameter or pin 'parport.1.pin-13-in' not found
[22:39:39] <Tom_itx> how many parports do you have?
[22:39:46] <Tom_itx> if 1 then change it to .0.
[22:39:59] <Tom_itx> which parport is it on?
[22:40:28] <GammaX-Shop> 0
[22:40:30] <GammaX-Shop> only 1
[22:40:31] <Tom_itx> is 13 allowed as input
[22:40:35] <Tom_itx> change it to 0 then
[22:41:09] <GammaX-Shop> lol i did and now its saying that pin parport.0.pin-13-in is not writable...
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[22:44:36] <GammaX-Shop> according to my bob layout pin 13 is used for axis A limit switch
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[22:49:39] <andypugh> You want "net" not "setP
[22:50:00] <andypugh> And you need a signal name.
[22:51:08] <Tom_itx> woops
[22:51:17] <GammaX-Shop> hrmm
[22:52:05] <Tom_itx> net spindle-encoder parport.1.pin-13-in => encoder.0.phase-A
[22:52:12] <Tom_itx> net spindle-encoder parport.0.pin-13-in => encoder.0.phase-A
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[22:54:39] <GammaX-Shop> ok machine is running... now I need to get it to display the speed! lol
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[23:11:41] <GammaX-Shop> anyone know how I can link the rps to the spindle speed on main program
[23:13:40] <andypugh> What are you trying to do?
[23:14:08] <GammaX-Shop> link the encoder I just created in hal tp th spinde speed graph on front of terminal in linuxcnc
[23:15:18] <andypugh> net sp-sp emcoder.0.velocity-rpm pyvcp.spindle-speed. Or something.
[23:15:40] <andypugh> What is the spindle speed graph called in HAL?
[23:16:05] <andypugh> (Oh, and the connection needs to go in the postgui halfile)
[23:16:57] <GammaX-Shop> andypugh: im not getting any feedback from spindle-rpm.... only rps....
[23:17:09] <GammaX-Shop> this is while watching inside half config
[23:17:39] <andypugh> In the watch window?
[23:17:52] <GammaX-Shop> yup
[23:18:01] <andypugh> Looking at pins, or signals?
[23:18:28] <GammaX-Shop> signals
[23:18:38] <Tom_itx> i did mine that way
[23:18:38] <andypugh> Well stop it
[23:18:42] <Tom_itx> the hal files are on my site
[23:18:52] <Tom_itx> pyvcp
[23:19:24] <GammaX-Shop> lol
[23:19:46] <andypugh> Look at the pins. The signal names are complely arbitrary, and we can't even guess what they might be.
[23:19:58] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/screenshot.png
[23:20:24] <andypugh> I am going to hazard a guess that this is a stepconf setup, so even youhave no idea what your config is.
[23:20:31] <GammaX-Shop> andypugh: pins shows same
[23:20:35] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/configs/sherline/
[23:20:38] <Tom_itx> there's the files
[23:20:55] <GammaX-Shop> andypugh: it is stepconfig'ed but modified.
[23:21:03] <Tom_itx> display.xml, postgui.hal
[23:21:18] <Tom_itx> and maybe sherline.hal
[23:21:24] <Tom_itx> for the signal
[23:22:52] <Tom_itx> net spindle-rpm <= scale.0.out
[23:22:59] <Tom_itx> is the signal i used to display
[23:23:19] <andypugh> Have you set the encoder scale?
[23:23:30] <Tom_itx> me?
[23:23:34] <Tom_itx> or GammaX
[23:23:45] <andypugh> Him
[23:24:04] <GammaX-Shop> I did yes
[23:24:06] <Tom_itx> i had a line in my original pastebin for that but i didn't know his resolution
[23:24:18] <andypugh> If you are _only_ using the encoder for spindle speed display then you can just lie about the scale to get rpm.
[23:24:22] <Tom_itx> so i set it to 48 which was mine
[23:24:47] <GammaX-Shop> setp encoder.0.position-scale 6
[23:25:03] <andypugh> And how many slots do you have?
[23:25:07] <GammaX-Shop> 6
[23:25:22] <andypugh> Ah, you can't really lie about scale then.
[23:25:38] <GammaX-Shop> its a photomicrosensor that is pointed at the splines on the shaft of my quill
[23:25:53] <andypugh> OK, so counter mode?
[23:26:03] <GammaX-Shop> yup
[23:26:05] <Tom_itx> i ran that thru scale then to the display
[23:26:16] <andypugh> And encoder.0.position is counting up?
[23:26:49] <andypugh> As Tom says, you need a scale function too to get rpm.
[23:26:59] <GammaX-Shop> yup
[23:27:06] <Tom_itx> and i set setp scale.0.gain 60.00
[23:29:14] <Tom_itx> then take the scale output to the pyvcp function
[23:30:19] <GammaX-Shop> I wish I was good enough to code a program that would ask you all these little questions during setup....
[23:30:54] <Tom_itx> that would take all the fun outta customizing
[23:31:33] <GammaX-Shop> but would stop people like me from asking dumb questions! lol
[23:31:45] <Tom_itx> it's a good review for all
[23:33:17] <Tom_itx> anybody still using crt for display?
[23:33:24] <GammaX-Shop> well lets continue the review haha I added in all commands and still not getting any type of rpm on the main windows.. just a green lite saying spindle at speed.
[23:33:50] <Tom_itx> did you add a .xml file?
[23:33:57] <GammaX-Shop> no
[23:34:09] <Tom_itx> did you add a postgui file?
[23:34:18] <GammaX-Shop> already had one
[23:34:29] <Tom_itx> did you tell the ini where it was?
[23:34:32] <Tom_itx> the postgui
[23:34:40] <Tom_itx> probably did
[23:34:43] <Tom_itx> since you had one
[23:34:50] <GammaX-Shop> I believe they were all setup automaticly
[23:34:58] <Tom_itx> look at my files and see how i set it up
[23:35:07] <Tom_itx> look at the postgui and display.xml
[23:35:19] <Tom_itx> did you see my screenshot?
[23:35:25] <GammaX-Shop> nope
[23:35:39] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/screenshot.png
[23:35:52] <Tom_itx> you can pick a different style widget if you want
[23:36:46] <Tom_itx> http://www.linuxcnc.org/docs/html/hal/pyvcp.html
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[23:44:39] <GammaX-Shop> Tom_itx: lol thats pretty awsome
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