#linuxcnc | Logs for 2013-01-10

[00:00:22] <pfred1> I finally made it to the northwest corner of my property last year
[00:00:39] <pfred1> just to see what was going on you know?
[00:01:13] <ReadError> FinboySlick
[00:01:20] <ReadError> any idea how i can remove facets from a model?
[00:01:36] <FinboySlick> ReadError: Facets as in turn a cube into a box?
[00:01:55] <ReadError> no, its a circle but has a bunch of little line segments
[00:02:01] <pfred1> that would be dimensions wouldn't it?
[00:02:26] <FinboySlick> ReadError: I think I'm going to need a screenshot...
[00:02:42] <FinboySlick> You defined it as a circle, but it looks all blocky?
[00:02:48] <ReadError> yea
[00:03:07] <FinboySlick> Oh, that's just display optimization. Go to the performance tab for the file.
[00:03:17] <ReadError> i tried changing that
[00:03:20] <pfred1> sometimes grid resolution can cause that in some apps
[00:03:27] <ReadError> but even when i export, its still facet'd
[00:03:32] <ReadError> screen shooting 1sec
[00:03:35] <FinboySlick> What do you export to?
[00:03:42] <cpresser> ReadError: export to DXF?
[00:04:08] <ReadError> igs
[00:04:14] * cpresser usually uses eps since with DXF most of the times circles are broken down into lines
[00:04:51] <ReadError> http://i.imgur.com/hN5Xz.png
[00:05:14] <FinboySlick> ReadError: I'm not that good with igs... It should be able to handle curves though.
[00:05:26] <pfred1> maybe you need to convert to an arc?
[00:05:52] <FinboySlick> ReadError: Is that screenshot of the imported igs model, or of the actual solidworks model?
[00:06:05] <ReadError> actual solidworks
[00:06:12] <ReadError> its being exported that way as well
[00:06:20] <FinboySlick> ReadError: That's display optimization. The model itself is a smooth curve.
[00:06:43] <FinboySlick> Are you in an assembly?
[00:06:53] <ReadError> part
[00:07:07] <FinboySlick> It can be tricky to *change* the display optimization of a part once it is created.
[00:07:31] <FinboySlick> This is a relatively simple model, try jacking the quality up before you build anything, see if it helps.
[00:07:49] <FinboySlick> I'm not on windows right now so I can't guide you step by step.
[00:07:53] <ReadError> well i saved the 2d
[00:08:01] <ReadError> maybe that would preserve the real geometry
[00:08:24] <ReadError> http://i.imgur.com/tFE41.png
[00:08:30] <ReadError> thats a gcode output screenshot
[00:08:36] <ReadError> its going in to that for some reason too
[00:09:18] <FinboySlick> Hmm.
[00:09:31] <FinboySlick> What version, 2012?
[00:09:36] <ReadError> 2011
[00:11:19] <FinboySlick> Lemme boot to windows and see if I can figure something out for you.
[00:11:41] <ReadError> thanks im so close, want to dig in to this aluminum tonight
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[00:15:33] <FinboySlick> Oh boy... I don't think this windows install booted in over 8 months.
[00:15:42] <FinboySlick> I'm getting assaulted by windows update.
[00:15:56] <ReadError> im always scared to reboot my windows machine, afraid it wont come back u p
[00:15:58] <Valen> lol
[00:16:05] <ReadError> do you have 2011 or later FinboySlick?
[00:16:23] <FinboySlick> ReadError: Apparently I hadn't updated this box so yeah, it's 2011.
[00:16:33] <pfred1> ReadError I never knew Windows was known for its uptimes
[00:16:43] <ReadError> Windows7 Uptime: 2wks 6days 5hrs 8mins 20secs Best: 9wks 4days 12hrs 10mins 14secs
[00:16:46] <FinboySlick> ReadError: But I don't think the fact that you get jaggies in your gcode has anything to do with your model resolution.
[00:16:49] <ReadError> she had a good run
[00:17:33] <FinboySlick> ReadError: You want to toss me that file?
[00:17:46] <ReadError> yessir uploading now
[00:18:00] <ReadError> http://dl.dropbox.com/u/76016256/AluminumArm5.zip
[00:18:06] <pfred1> 19:22:42 up 19 days, 22:38, 2 users, load average: 0.05, 0.03, 0.00
[00:18:20] <ReadError> the one without _3D is the 2d, i always save em for some reason
[00:19:13] <FinboySlick> ReadError: you mean the base sketch?
[00:19:26] <ReadError> yea
[00:19:31] <ReadError> pre-extruded
[00:19:38] <pfred1> ReadError my all time high was something like 105 days before a CPU fan went out on me
[00:20:08] <FinboySlick> ReadError: I think I know why you get segmented curves on that big circle.
[00:20:12] <FinboySlick> It's a fairly long part.
[00:20:44] <ReadError> is there any way to fix it?
[00:21:38] <FinboySlick> ReadError: Yes, but that isn't what your problem is.
[00:22:28] <FinboySlick> The display is segmented but the part itself is a smooth curve. I think this has to do with your g-code generator.
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[00:24:23] <ReadError> hm
[00:25:41] <ReadError> maybe theres a way to export the igs better
[00:26:13] <FinboySlick> your gcode generator takes igs as input?
[00:26:23] <ReadError> yea
[00:26:34] <Valen> make sure you export as curves or splines
[00:26:56] <ReadError> ooo i think i may have fixed it
[00:26:59] <ReadError> lets see
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[00:29:26] <ReadError> actually it seems like the wireframe portion is doing it
[00:29:38] <ReadError> the actual mesh or physical part of the model is true
[00:30:35] <FinboySlick> ReadError: You mean in igs?
[00:30:40] <ReadError> yea
[00:30:48] <ReadError> or in my CAM software
[00:31:04] <FinboySlick> OK.
[00:31:13] <FinboySlick> I was pretty surprised too.
[00:31:28] <ReadError> igs seems to have a bunch of options for export
[00:31:37] <FinboySlick> I can just imagine Jet turbines designed with Solidworks being machined with staggered curves ;)
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[00:33:11] <FinboySlick> ReadError: Look into hsmworks.
[00:33:25] <FinboySlick> ReadError: It's a brilliant way to get your gcode out of solidworks.
[00:34:48] <ReadError> let me give it a look
[00:36:10] <pfred1> it is too bad Linux doesn't have any decent CAD software
[00:36:26] <Valen> rhino sorta kinda works under wine
[00:36:31] <FinboySlick> pfred1: The only thing we have to work with is OpenCASCADE, it's a bloated monster.
[00:36:39] <pfred1> if it isn't native it isn't LInux
[00:37:05] <pfred1> FOSS is a plus too
[00:37:09] <FinboySlick> It's a very powerful bloated monster, but it's been dragged for almost 10 years now.
[00:37:21] <FinboySlick> If not 15.
[00:37:41] <FinboySlick> A new solid modeling library would do wonders.
[00:38:22] <FinboySlick> Sketch, extrusions, fillets, lofts, etc.
[00:46:14] <r00t4rd3d> sketchup pro runs great on linux :D
[00:47:10] <r00t4rd3d> noting beats Windows and Aspire though.
[00:48:32] <FinboySlick> Aspire?
[00:48:48] <FinboySlick> But that's just a 2D to 3D conversion suite, no?
[00:49:00] <r00t4rd3d> no
[00:49:23] <r00t4rd3d> you can model in it too
[00:49:58] <ReadError> oh nice
[00:50:02] <ReadError> i finally got a good export
[00:50:46] <FinboySlick> OK, feeling dirty, I'm moving off windows.
[00:50:54] <ReadError> thanks for the help sir
[00:51:08] <pfred1> filthy Windows
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[00:51:38] <ReadError> i work with linux all day
[00:51:45] <ReadError> but dont think i would ever run it as a desktop ;/
[00:51:55] <pfred1> I've been all Linux since 1997
[00:52:20] <jdh> c'mon... 2013 is the year of linux on the desktop
[00:52:36] <pfred1> jdh for me it is going to be just another year
[00:53:02] <pfred1> I got this box setup super sweet
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[00:53:17] <jdh> I did linux only from about 97 for 6 or 8 years
[00:53:44] <jdh> or mostly only... had to keep a winbox for remote work stuff
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[00:56:16] <r00t4rd3d> newbs
[00:57:24] <jdh> c'mon, I got punch cards older than you
[00:57:53] <pfred1> I junked a punch card reader out of AT&T that blew my mind
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[00:58:21] <Jymmm> jdh: but do you have a woeking reader is the question
[00:58:29] <pfred1> it was so massive they actually walled it off and let it sit idle for over 25 years
[00:59:07] <pfred1> they couldn't figure out how to move it
[01:00:01] <ReadError> im excited about this aluminum
[01:00:10] <ReadError> this is one of my more complex jobs so far
[01:00:10] <pfred1> why?
[01:00:12] <jdh> did you try the miter saw?
[01:00:12] <Jymmm> one torched piece at a time
[01:00:16] <AR_> i get boners about aluminum all the time
[01:00:21] <ReadError> jdh: i just got the 1 piece cut so far
[01:00:26] <ReadError> ill do more later
[01:00:28] <AR_> did you use a dremel
[01:00:29] <AR_> ?
[01:00:32] <ReadError> hell no
[01:00:37] <ReadError> thats the worst idea ever :)
[01:00:42] <ReadError> its 1/4" thick
[01:00:47] <pfred1> Jymmm this punch card reader was made out of a million tiny parts
[01:01:05] <AR_> i spent about 45 minutes today cutting a 5/8" hardened steel shaft with a dremel
[01:01:17] <AR_> it was awesome
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[01:01:19] <ReadError> why not an angle grinder ?
[01:01:20] <pfred1> I have a 14" chop saw for that
[01:01:33] <AR_> because i didnt want to take off a lot of material
[01:01:38] <AR_> and i dont have a chop saw
[01:01:46] <ReadError> hack saw?
[01:01:51] <AR_> are you kidding
[01:01:52] <Jymmm> chain saw
[01:02:08] <AR_> honestly i thought this shaft was just case hardened
[01:02:18] <AR_> cut like 1/4" into it with dremel first
[01:02:23] <AR_> then tried hacksaw
[01:02:34] <AR_> hacksaw didnt leave a scratch
[01:02:47] <Jymmm> angle grinder
[01:02:58] <pfred1> Milwaukee makes they cryrogenically heat treated blades that are amazing
[01:03:16] <AR_> so i just used the dremel till i got it down to under 1/4" diameter
[01:03:19] <AR_> then snapped it
[01:03:19] <pfred1> they cut hard steel though perhaps not hardened
[01:04:35] <pfred1> I had some hard alloy square tubing that was just killing other blades those cryro ones went through it like butter
[01:07:47] <pfred1> they make carbide grit hacksaw blades that can cut through glass
[01:08:06] <ReadError> http://i.imgur.com/0Ene3.png
[01:08:09] <ReadError> this is much better
[01:08:52] <pfred1> I know what that is, what is that?
[01:09:11] <pfred1> it is a really out of balance lathe face plate right?
[01:09:15] <Valen> We have CnC cut glass with a diamond burr
[01:09:26] <Valen> made gears with it
[01:09:30] <ReadError> pfred1: its a quad rotor arm
[01:09:35] <ReadError> holds a motor/prop
[01:09:40] <ReadError> cutting it in that 1/4" aluminum
[01:10:24] <pfred1> industrial diamonds are pretty cool
[01:11:21] <AR_> the machine shop I worked at pretty much only used diamond plated tooling
[01:11:30] <pfred1> in the machine shop I worled in whenever we had to drill a hole in carbide we'd use an EDM sinker machine
[01:12:18] <pfred1> I hear good razor blades today are diamond plated
[01:12:41] <pfred1> which is why honing them really doesn't work :)
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[01:13:54] <pfred1> ReadError how come you're not making your part out of carbon fiber?
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[01:17:12] <Tom_itx> how do you diamond plate something?
[01:17:40] <pfred1> Tom_itx I don't I buy things diamond plated
[01:19:02] <ReadError> pfred1: cf is really expensive
[01:19:05] <pfred1> there are obviously industrial processess that accomplish the task though
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[01:19:31] <Tom_itx> google results in aluminum with a diamond pattern on one side
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[01:19:45] <Tom_itx> i've never heard of it
[01:20:29] <Tom_itx> carbon coating
[01:20:30] <pfred1> ReadError I've heard that prices haven't dropped any yet?
[01:20:39] <Tom_itx> http://www.diamondcoating.net/
[01:20:49] <Tom_itx> diamond like
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[01:21:19] <Tom_itx> graphite
[01:21:22] <pfred1> http://en.wikipedia.org/wiki/The_Diamond_Age
[01:25:02] <Valen> I was thinking of making some torches and getting them coated in that stuff
[01:28:27] <pfred1> torches?
[01:29:57] <Valen> pocket torch
[01:30:01] <Valen> for lighting up dark areas
[01:30:09] <pfred1> oh I thought so
[01:30:16] <pfred1> we call those flashlights here
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[01:34:13] <ReadError> pfred1: the prices on CF?
[01:34:28] <ReadError> the last sheet i got was $52 for 12x12" 1/16th thick
[01:34:56] <pfred1> when was that?
[01:35:26] <pfred1> aluminum has such poor mechanical properties I hate the stuff
[01:36:16] <jdh> yeah, you should replace it all with titanium
[01:37:31] <Valen> I do wonder how DLC would go over stainless in the environment of a pocket
[01:37:57] <r00t4rd3d> http://imgur.com/a/mdoPg
[01:38:17] <Jymmm> cradek: http://www.youtube.com/watch?v=DovunOxlY1k
[01:38:21] <Valen> pretty
[01:38:41] <Valen> lazor engraving r00t4rd3d?
[01:38:51] <r00t4rd3d> i didnt make it
[01:39:02] <r00t4rd3d> but yeah , laser and inlay
[01:39:17] <Jymmm> I'd like to find that inlay
[01:39:21] <r00t4rd3d> http://www.reddit.com/r/woodworking/comments/167g56/laser_etched_inlaid_monopoly_xpost_from_rpics/
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[01:41:06] <Jymmm> OH! I know what that inlay is!!!!
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[02:36:36] <t12> ~~~~~~
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[03:14:50] <Gene456> Can someone tell me what the largest cutter size would be milling aluminum on a grizzle 704?
[03:15:56] <tjb1> you can calculate that
[03:16:14] <Gene456> whoots... wrong irc channel
[03:16:38] <L84Supper> is there a Grizzly channel?
[03:16:48] <Gene456> diycnc
[03:17:05] <jdh> the specs are on teh g0704 page on teh grizzly site
[03:17:17] <Gene456> well, then again that might be the channel for a combo 3d printer and a cnc router
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[03:18:31] <L84Supper> this channel is more Linuxcnc users and devs, machinists, mechanical and electrical engineers
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[03:19:32] <Gene456> acrobat reader will not load on this pig...
[03:21:49] <Gene456> From what I can see on cnczone, the g0704 can be made into a cheap cnc machine
[03:22:19] <Gene456> with high accuracy
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[03:25:07] <jdh> I have one. As does Connor
[03:25:38] <Gene456> are you happy with it?
[03:26:08] <Gene456> if you could do it again, would you have gone with a bigger setup?
[03:26:24] <jdh> it's a big, little mill.
[03:26:34] <jdh> no room for a 'real' one.
[03:27:37] <jdh> I have no complaints about mine.
[03:28:03] <jdh> I did end up with 0.002" backlash on Y and Z, about 0.001 on X
[03:28:35] <Gene456> pretty good tollerances in my book, no problem with a 1/4 endmill for aluminum?
[03:28:53] <jdh> nah, it zips through that pretty fast
[03:29:17] <Gene456> 1/2 end mill?
[03:29:47] <jdh> I've used up to 3/4 plain end mills. 2.5" face mill
[03:30:05] <Gene456> some chatter?
[03:30:19] <jdh> nope
[03:30:39] <Gene456> awesome! that is what I wanted to know. Many thanks!
[03:30:49] <jdh> the face miill does beautiful cuts
[03:31:10] <jdh> Hoss has some youtube videos cutting stainless with 1/2" endmill
[03:32:10] <Gene456> I saw that... just hard for me to assess... the chips looked a little funny, then again I have never machined stainless
[03:32:26] <jdh> he wasn't going for quality
[03:33:22] <Connor> Gene456: I'm happy happy happy with it... (okay, been watching too many Duck Dynasty episodes...)
[03:35:36] <Gene456> I must ask the question again, if floor space wasnt a problem, would you do it again with a bigger setup?
[03:36:24] <jdh> major price difference for something worthwhile bigger
[03:37:13] <Gene456> and the next setup would be?
[03:37:32] <jdh> I have maybe $1700 in mine (mill, motors, drives, ball-screws, etc)
[03:38:03] <AR_> is the Enco website down for anyone else?
[03:38:05] <Connor> Wasn't just floor space that dictated it the decission. Price had allot to do with it.
[03:38:22] <Connor> RF45 would be nice..
[03:38:28] <jdh> http://www.use-enco.com/CGI/INSRHM
[03:38:42] <jdh> rf45 would be nice, but only quill
[03:38:44] <AR_> jdh, yeah i get a 500 error
[03:38:45] <AR_> wtf
[03:38:59] <Connor> No Z ?
[03:39:01] <AR_> oh wait
[03:39:02] <Connor> I thought they had Z?
[03:39:04] <AR_> it's just my browser
[03:39:34] <Connor> If money wasn't a object.. Probably would have went with a Tormach 1100
[03:39:38] <Gene456> are people getting similar tolerances from the RF45 clones
[03:39:40] <jdh> connor: I thought they were all round column
[03:39:45] <jdh> but, coudl be wrong.
[03:40:18] <Connor> http://www.leadermachinerysales.com/MILL_DRILLS.html
[03:41:08] <jdh> looks square
[03:42:17] <Connor> But, for what I do, the G0704 is perfect size. Robot parts and small hobby stuff.
[03:42:22] <Connor> price was right too...
[03:42:28] <Connor> and not too bad $$ to convert.
[03:42:28] <Gene456> what is the cost to make xy cnc on an RF45
[03:43:00] <Connor> With the 45's you could easily get into 2k just for drivers and servers/steppers.
[03:43:06] <Connor> or more.
[03:43:13] <Jymmm> 5-15P NEMA to power pole... CHECK!
[03:43:24] <Gene456> and the cost to cnc the G0704?
[03:43:40] <Connor> (10:38:42 PM) jdh: I have maybe $1700 in mine (mill, motors, drives, ball-screws, etc)
[03:43:49] <Connor> little more now cause the price went up.
[03:44:01] <Gene456> 3axis cnc or 2axis cnc
[03:44:08] <Connor> 3axis.
[03:44:24] <jdh> $200 for chinese ballscrews, $150 for motors, $150 drivers, $200 misc stock/wires/etc
[03:44:44] <Connor> Though, I did run mine 2 Axis for long enough to make a spanner so I could do the Z
[03:44:46] <Gene456> is Hoss's guide the best way to go, or are there other options out there I should research
[03:45:00] <Connor> You can buy the mounts off of ebay from Billy...
[03:45:05] <jdh> mine is mostly hoss
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[03:45:21] <jdh> his mounts are pricey vs. $15ish for stock
[03:45:21] <Connor> But, frankly. I think doing your own mounts is a good way to go if you've never done machine work.
[03:45:57] <Connor> Oh, Support, G0704 has much larger following..
[03:46:30] <Connor> A Few 45's, but, it's mostly dominated by 704's with some X2's and X3's in the mix. (on cnczone forum anyway)
[03:46:45] <Connor> Most use Mach, you'll find a few who do LinuxCNC like me and jdh
[03:46:48] <jdh> I got a good deal on an x2 I was going to convert, but ended up selling it
[03:47:07] <Connor> jdh: You did sell your X2?
[03:47:14] <Connor> I thought you still had it..
[03:47:34] <jdh> yeah, paid $200, had it for a year, used it for the saddle, sold it for $450?
[03:47:48] <Connor> Gene456: What are you looking to use it for.
[03:48:11] <Gene456> aluminum machining for other tools
[03:48:22] <Connor> Yea.. I have a X/Y table I can use on the base so I can machine my Saddle. Not sure about the oil groves though.
[03:48:28] <jdh> depending on size, anything from a taig up would work
[03:48:51] <Connor> Gene456: You'll probably want to upgrade the motor to a Tredmill motor for more RPM. That's a more advanced upgrade.. I'm doing that now..
[03:49:26] <Gene456> can you provide a link for part procurement etc?
[03:49:40] <Connor> jdh: I think I'm going to install the spindle this weekend and try to finish up the PDB
[03:49:46] <jdh> cool
[03:49:48] <Connor> Yea. Motors.. get this package..
[03:49:58] <jdh> Gene: buy the dvd from hoss. Complete parts list for everything
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[03:50:19] <Connor> one sec. http://www.automationtechnologiesinc.com/products-page/stepper-nema23-3-axis-kits
[03:51:28] <Connor> Go with th3 3 x 570oz-in package, or the 2 x 570oz-in + 1x906oz-in (for Z)
[03:51:53] <jdh> I'm still happy with my 3 570's
[03:52:04] <jdh> I'd spend a little more on drives than I did.
[03:52:06] <Connor> You can also upgrade to all digital drivers which area bit more $$$
[03:52:11] <jdh> want to buy 3 drives :)
[03:52:44] <Connor> Use Linearmotionbearing2008 ball screws. Not the Roton's
[03:53:00] <Gene456> I take it the gecko setup was not your first option?
[03:53:02] <jdh> $199 shipped
[03:53:19] <Connor> G540 ?
[03:53:23] <jdh> g540 isn't sufficient IMO
[03:53:46] <Connor> no. and the individual drivers aren't much better than the Kellings...
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[03:54:20] <Connor> http://www.automationtechnologiesinc.com/products-page/stepper-nema23-3-axis-kits/cnc-stepper-motor-3-axis-kit-1
[03:54:22] <jdh> http://www.automationtechnologiesinc.com/products-page/g0704-kit/cnc-stepper-motor-3-axis-kit-5
[03:54:24] <Connor> that's the exact kit I got.
[03:54:49] <jdh> those are digital
[03:55:28] <jdh> my motors/drivers were $314
[03:56:01] <Gene456> I have invested some into mesa, and a intel-510, can you provide more guidance for linuxCNC
[03:56:03] <Connor> They changed them... They upped they kits to 5056D's
[03:56:03] <jdh> I'd like to have those tiny digital drives now though
[03:56:12] <Connor> Mine was only 5056's
[03:56:21] <jdh> mine are KL-6050
[03:56:40] <jdh> gene: ooops... I forgot about the mesa cards in my price
[03:57:53] <jdh> I'm using a 7i43 I bought a while back.
[03:58:01] <Connor> 510 ? Not the 525 ?
[03:58:22] <jdh> you don't have much invested in a 510 :)
[03:58:32] <Gene456> I purchased a 510 right when the 525s were released
[03:58:48] <Connor> Ah.. I think my Router uses a 510. Using the 525 on the G0704.
[03:59:00] <Gene456> so... which one has less latenency now that both are out
[03:59:03] <Connor> Download and burn the LiveCD 2.5.x version. and install it.
[03:59:10] <Connor> About the same.
[03:59:21] <jdh> neither. and they work fine with mesa anyway
[03:59:27] <Connor> I think the diff is 525 is Dual core, and 510 is single ?
[03:59:37] <Gene456> sec
[03:59:43] <jdh> yeah
[04:00:00] <Connor> or, the 510 is just a bit slower.. 1.6 vs 1.8
[04:00:29] <Connor> 2 cores, just 1.6 vs 1.8
[04:01:17] <jdh> the prior series was single core?
[04:01:25] <Connor> and with Mesa, you'll have 0 issues with latency.
[04:01:32] <Connor> I dunno.. let me check mine.. brb
[04:02:34] <Gene456> here is my rise..... and fall.... http://www.linuxcnc.org/index.php/english/forum/30-cnc-machines/25904-diy-shapeoko-cnc-router-350
[04:03:26] <Connor> fall ?
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[04:03:39] <Connor> what happened ?
[04:03:49] <Gene456> its in the thread...
[04:04:06] <Gene456> looks like I will have to purchase a 7i43
[04:04:15] <jdh> I wouldn't
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[04:04:53] <jdh> I think I would have done a g540 and p-port for that router
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[04:05:00] <Connor> 5i25 + 7i76
[04:05:13] <jdh> overkill for that
[04:05:37] <Connor> No, for his g0704
[04:05:48] <Connor> yea. for that router.. G540 + parport would be fine.
[04:07:01] <Gene456> I would rather machine aluminum that thin board stock... do I need 7i43, or do you recommend it over wiring up the printer port
[04:07:33] <Connor> For that machine your talking about in that thread?
[04:07:34] <jdh> either would work fine.
[04:07:49] <jdh> but, I'd pick a 5i25 over a 7i43 probably
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[04:08:21] <Gene456> I am no longer interested in the shapeoko since the G0704 is a cheap option also
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[04:08:49] <Connor> okay.. yea.. then 5i25 + 7i76 kit.
[04:09:04] <Connor> or you can do parport with a Break-out-Board (which is what I'm currently doing)
[04:09:11] <jdh> that, that digi driver kit above
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[04:09:33] <ReadError> so im cutting right now
[04:09:34] <ReadError> http://dl.dropbox.com/u/25091878/Photo%20Jan%2009%2C%2011%2002%2053%20PM.jpg
[04:09:41] <ReadError> am i going the wrong way?
[04:09:47] <ReadError> seems swirly but feels smooth
[04:09:49] <Connor> jdh: No need for that 900oz-in on Z though...
[04:10:01] <jdh> no, but it looks cool and big!
[04:10:17] <t12> readerror: whats the tool
[04:10:42] <Connor> he can have them customize that kit and do 540 Oz-i all away around and put that $$ into the mesa combo
[04:11:06] <jdh> I like my belt drive Z
[04:11:09] <Connor> err. 570
[04:11:10] <Connor> http://www.automationtechnologiesinc.com/products-page/stepper-nema23-3-axis-kits/cnc-stepper-motor-3-axis-kit-1
[04:11:18] <jdh> I'd like the rear mount belt Y also I think.
[04:11:20] <Connor> that one is digital too.. the dropped the non digital one.
[04:11:28] <ReadError> 1/8" 2 flute carbide
[04:11:29] <Gene456> Im assuming the 900oz-in might be of more value when a second spindle gets mounted though... correct
[04:11:34] <ReadError> i think i might be cutting too shallow ?
[04:11:54] <Connor> jdh: I was going to do rear mount.. but, no point, the enclosure is going to extend out far enough in front that it'll be past the front stepper.
[04:12:39] <Connor> Gene456: Hoss has his with a 5th axis on it running the 570's without issue.. Now, he said he might need to upgrade when he goes up to a 56C 3 Phase frame spindle motor... but Geez...
[04:12:45] <t12> thats what my hsmworks cuts look like with too much tool deflection
[04:12:58] <t12> hsmworks spiraly cuts i mean
[04:13:21] <Connor> I can do 70 IPM on my Z and I'm still using Stock screws. Direct Drive, no belts
[04:13:58] <Connor> I did phase 1 conversion because I was cheap and wanted to get up and running faster. :)
[04:14:13] <ReadError> tool deflection?
[04:14:32] <jdh> Read: you don't like the bottom finish?
[04:14:33] <t12> when the tool runs into the metal
[04:14:35] <t12> it bends over a little
[04:14:40] <t12> then one edge cuts deeper
[04:14:46] <Connor> ReadError: Tool bends away from edge..
[04:15:08] <Gene456> please share why you like the 5i25+7i43 over the 7i43
[04:15:43] <jdh> pci vs. p-port.
[04:15:58] <Connor> 5i25 is PCI.. 7i43 is parport driven.
[04:16:06] <ReadError> jdh, i just wanted it to look mirror smooth
[04:16:09] <jdh> really doesn't make much difference though
[04:16:13] <ReadError> im doing a 25% tool stepover
[04:16:18] <jdh> are you trammed?
[04:16:35] <Gene456> both are good answers! Many thanks! Hmmmm and your source for ballscrews?
[04:16:50] <Connor> If you use the 5i25+7i76, you can still use the onboard Par-port for input-output too.
[04:17:05] <jdh> lmb, chinese seller, info on the hoss g0704 pages
[04:17:10] <t12> i think with that cut you can tell if its tool deflection or tram by seeing which way the ridges are
[04:17:16] <Connor> LinearMotionBearins2008, on ebay
[04:17:17] <ReadError> jdh, i have not trammed anything
[04:17:20] <jdh> I sent him the ballscrew drawings, he sent me ball screws & nuts
[04:17:24] <t12> if they all staircase in one direction, its tram, if they staircase to the center, it'd be deflection
[04:17:48] <ReadError> ill wait till its done then get some better pics
[04:17:49] <Connor> http://www.g0704.com/
[04:18:05] <t12> what doc and chip load?
[04:18:26] <Connor> http://www.cnczone.com/forums/benchtop_machines/130097-connors_g0704.html
[04:18:30] <Connor> my build thread.
[04:18:42] <Gene456> does grizzle ever have sales, not including discontinued stock
[04:18:59] <ReadError> doc ?
[04:19:08] <t12> depth of cut
[04:19:08] <Connor> Sometimes...
[04:19:33] <Connor> I haven't seen one in a while.. and if they did.. probably would have been right before the new year.
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[04:19:40] <jdh> I used a 5% off coupon for mine
[04:19:45] <ReadError> im doing 8.7 for inch per minute
[04:19:47] <Connor> if you want a g0704, go ahead and get on order.. they're usually on back order.
[04:19:52] <Connor> though, they may be better now.
[04:19:53] <ReadError> ~0.06 DOC
[04:20:55] <jdh> 1/4" bits give me a much better cut than 1/8"
[04:21:08] <jdh> and 1/2" does even better
[04:21:14] <Connor> I like 3/8" :)
[04:21:15] <t12> also try a finishing pass and see what you see
[04:23:01] <jdh> I have several sizes with 3/8" shanks. Nice to leave one collet in
[04:23:27] <Connor> I love TTS.. Can't wait to get my Power Draw Bar finished...
[04:23:28] <t12> i wonder if i should self torture
[04:23:33] <t12> and trying to build a mill from scratch
[04:23:50] <jdh> connor: someday, I'll try turning some down.
[04:23:59] <jdh> I got the r8 3-jaw chuck
[04:24:35] <Connor> Cool. After PDB, and enclosure... Next project will be a 4th axis spindle, hopefully with 5C spindle.
[04:24:36] <jdh> and a tiny boring bar for the tool side of the holder concentric
[04:25:35] <jdh> but...not this w/e :(
[04:25:58] <ReadError> now i want a grizzly too
[04:26:00] <ReadError> ;(
[04:26:13] <Connor> I want a laser cutter.
[04:26:18] <jdh> me too
[04:26:21] <ReadError> i want a router also
[04:26:22] <jdh> and a 3d printer
[04:26:39] <ReadError> i would be blind after 3 days with a laser cutter
[04:26:40] <jdh> and world peace
[04:26:43] <Connor> I though about buying a tube and retrofitting my router.. but.. I don't think it's good enough..
[04:26:49] <ReadError> jdh, 3d printers are fun
[04:26:55] <ReadError> i built my own recently
[04:27:01] <Connor> I need to upgrade my cupcake..
[04:27:12] <Connor> still running with a DC motor based extruder.
[04:27:36] <Connor> Original idea for my router was for it to be a combo 3d printer / router
[04:27:53] <Connor> but, I never got around to doing the 3d printer part of it.
[04:28:25] <Connor> http://www.cnczone.com/forums/diy-cnc_router_table_machines/116786-diy_mdf_cnc_router.html
[04:28:27] <Connor> thread for it.
[04:28:33] <ReadError> my tripod mounted vacuum system is working pretty good
[04:28:47] <L84Supper> laser cutter 3d printer combo
[04:29:21] <ReadError> i want to build a TK-0
[04:29:27] <ReadError> pretty decent sized printing area
[04:29:28] <Connor> Aligning the optics every time would be a pain in the ass..
[04:29:48] <ReadError> what if you had 2 z axis
[04:29:51] <ReadError> did the laser on 1
[04:29:55] <ReadError> and extruder on the other side
[04:30:00] <ReadError> like opposite sides of the gantry
[04:30:38] <Connor> not on my router. no room on the rear of the gantry.. it goes up against the enclosure.
[04:32:23] <L84Supper> one laser for cutting and sintering, another laser UV curing
[04:32:57] <L84Supper> extruders are slow and low res
[04:33:01] <Gene456> Time to go, thanks jdh and conner............................. http://www.youtube.com/watch?feature=player_embedded&v=3RBSkq-_St8#!
[04:34:14] <t12> anyone here ever worked with taigs?
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[04:35:50] <ReadError> t12, using one now
[04:35:55] <ReadError> but im a noob so...
[04:36:09] <t12> i've never seen one in person
[04:36:19] <ReadError> they are pretty solid
[04:36:22] <ReadError> im happy with mine
[04:36:30] <t12> the bed is anodized alum?
[04:36:32] <ReadError> i never trammed it or anything i just put it gether
[04:36:35] <ReadError> together*
[04:36:41] <ReadError> yea im pretty sure
[04:36:49] <ReadError> or steel not sure
[04:36:51] <ReadError> let me get my megnet
[04:37:09] <ReadError> yea must be aluminum
[04:37:24] <ReadError> its pretty strong though, or atleast it feels that way
[04:37:53] <t12> i dont have enough expirence to really know
[04:37:57] <t12> what kind of bed size i want
[04:38:02] <t12> worried that the taig is too small
[04:38:25] <t12> i'm stuck with a pretty small envelope of what i can actually get into my workspace
[04:38:39] <ReadError> well its decent sized for what i do
[04:38:51] <ReadError> depends what you are making i suppose
[04:39:00] <t12> i'm mainly messing around
[04:39:08] <t12> otherwise i'd have a real spec i guess heh
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[05:04:00] <frysteev> hmm i need some analog inputs now
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[05:16:47] <ReadError> http://dl.dropbox.com/u/25091878/Photo%20Jan%2010%2C%2012%2010%2035%20AM.jpg
[05:16:55] <ReadError> cut that backwards
[05:16:57] <ReadError> poor finish
[05:17:06] <Connor> What is that for ?
[05:18:04] <ReadError> quadrotor arm
[05:18:15] <ReadError> i always get mixed up climb vs. conventional
[05:18:19] <ReadError> i need to keep notes
[05:19:53] <Connor> When doing profiles.. I don't think it makes a big diff.. because, one way, it climb.. as it goes around, it turns to conventional.
[05:20:26] <Connor> unless you code the paths so they don't...
[05:20:39] <Connor> I've never understood how you deal with that with CNC...
[05:21:05] <ReadError> well i know 1 way gives me good edges if im cutting inside
[05:21:12] <ReadError> and the other way gives me good if i cut the outside
[05:21:18] <ReadError> and i forget which is which
[05:21:37] <Connor> but, what about the other side.. does it not get worse ?
[05:22:12] <ReadError> well its a closed loop
[05:22:21] <ReadError> i mean the direction of the cut with the rotation
[05:22:26] <ReadError> how the teeth enter the metal
[05:22:40] <Connor> Right, but, in a closed loop... you change direction...
[05:23:16] <ReadError> yea but the teeth still engage the metal the same way dont they ?
[05:24:32] <Connor> Heck, I don't know.. it's late.. and I can't think straight.. :)
[05:24:40] <ReadError> ditto
[05:24:46] <ReadError> maybe we are confusing eachother
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[05:51:29] <AR_> stop fighting
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[06:20:48] <r00t4rd3d> nah, drink beer and kill each other
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[06:22:27] <tjb1> Quiet r00t4rd3d
[06:22:39] <r00t4rd3d> ive watched a terminal window for like 3 days
[06:23:40] <tjb1> Shhh
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[06:38:35] <ReadError> watched a terminal window huh'
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[07:23:24] <tjb1> seen r00t4rd3d
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[07:44:33] <Valen> tjb1: about 4 hours ago
[07:44:44] <tjb1> lol
[07:44:54] <tjb1> That works in all the other fancy IRC rooms
[07:45:05] <Valen> it worked here what are you bitching about
[07:45:17] <Valen> (typically one also prefaces seen with a ! as i recall)
[07:48:46] <tjb1> !seen r00t4rd3d
[07:48:46] <the_wench> last seen in #linuxcnc 2013-01-10 06:22:40GMT 01:26:06 ago, saying ive watched a terminal window for like 3 days
[07:48:57] <Valen> yeah like that
[07:49:08] <tjb1> I need not perform that slave labor in other rooms
[07:51:07] <tjb1> You got a 3d printer Valen ?
[07:51:19] <tjb1> ReadError fails to help with my decision
[07:51:20] <Valen> pshaw,
[07:51:25] <Valen> 3d printing is for chumps
[07:51:31] <tjb1> Too busy playing with wd-40 and aluminum cans
[07:51:39] <Valen> turning huge hunks of Al into wafers is where its at
[07:54:37] <Valen> i've seen a few though tjb1 and i'm thinking of mounting a print head on our mill ;->
[07:55:18] <tjb1> I'd strap one on the plasma but I can't afford a 4'x8' heated bed ;)
[07:55:24] <Valen> heh
[07:55:33] <Valen> we are making a new light mill/router
[07:55:36] <Valen> 1200x1200mm
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[07:58:09] <tjb1> JT-Shop and PCW_ are going to have a bunch of questions soon
[07:58:18] <tjb1> G540 is on its way back from Cali
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[08:07:20] <DJ9DJ> moin
[08:08:19] <tjb1> Mornin!
[08:08:46] <DJ9DJ> hi there :)
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[08:28:07] <tjb1> I have a serious urge to buy a gameboy color and pokemon...
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[08:35:25] <tjb1> Is this what they call nostalgia
[08:35:49] <DJ9DJ> hrhr, yep :)
[08:36:29] * DJ9DJ played sid meiers civilization a few days ago. the original one from 1995 or so (free now), using dosbox emulator :)
[08:39:22] <Loetmichel> mornin'
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[08:45:42] <tjb1> I would use an emulator but its not the same as the gameboy…probably wont play it anyway
[08:46:31] <DJ9DJ> just hang it at the wall ;)
[08:49:02] <Loetmichel> tjb1: the last use i have for my GBA: http://www.cyrom.org/palbum/main.php?g2_itemId=4183
[08:49:21] <Loetmichel> ... but i still have the tetris cartridge in it sometimes ;-)
[08:49:32] <tjb1> scope?
[08:49:36] <Loetmichel> yes
[08:49:39] <DJ9DJ> hehe
[08:49:44] <tjb1> how hard is that to get working
[08:49:48] <Loetmichel> max 50khz or so, though
[08:51:06] <Loetmichel> would not be reasonable today, you can get better scopes for less money than the scope cardridge has costed. it was about 300 eur
[08:51:32] <Loetmichel> it was a kit from "Elektor"
[08:51:41] <Loetmichel> (google gbdso)
[08:52:12] <tjb1> I have a rigol
[08:52:50] <tjb1> DS1052e hacked to 100Mhz
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[09:02:00] <tjb1> I dunno how to use it really
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[09:24:52] <Loetmichel> tjb1: hrhr, know that feeling;-)
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[12:32:59] <jthornton> http://www.kickstarter.com/projects/crystalfontz/cfa-10036-open-hackable-linux-arm-embedded-gpio-mo
[12:39:18] <L84Supper> arm9 :(
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[14:04:52] <jthornton> Yippie I'm moving tabs now http://gnipsel.com/glade/glade08b.html
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[15:39:30] <ReadError> hsmworks seems pretty nice
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[16:02:32] <ReadError> just need to disable this g28
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[16:20:31] <JT-Shop> well the motor gearbox seems ok... on to the control board
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[17:04:49] <JT-Shop> how would you check this to see if it is borked https://www.relayspec.com/specs/006401/m_output_modules.pdf
[17:05:27] <JT-Shop> the ones I have are gordos M-OAC5AH
[17:06:54] <archivist> I would expect a short if dead across the triac
[17:07:28] <gene__> Got a strange error just now, I added a "net probe parport.0.pin-10.in-not motion.probe.input"
[17:07:54] <gene__> only to be told motion.probe.input does not exist???
[17:08:14] <archivist> JT-Shop, pin 1 to 2 is it open or short
[17:09:11] <JT-Shop> 1 to 2 are 25-30 M ohms except for one that is 20 ohms
[17:09:41] <pcw_home> sounds dead
[17:10:54] <archivist> not healthy
[17:11:15] <JT-Shop> and that one goes to JP10 pin 3B the one that runs the motor!
[17:11:54] <skunkworks> gene motion.probe-input
[17:11:57] <JT-Shop> well that is part of the puzzle solved
[17:12:04] <skunkworks> gene__, motion.probe-input
[17:12:43] <gene__> Ok, but in halconf, its, ahh duh. I'll get me coat
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[17:14:23] <ReadError> who ever recommended hsmworks, thanks
[17:14:26] <ReadError> its pretty nice stuff
[17:14:37] <archivist> JT-Shop, noe tell me where I got my worm calculations from 4 years ago....must make notes in the resulting gcode
[17:19:52] <kwallace> What G76 options are commonly used? Compound angle, Spring Passes?
[17:20:07] <JT-Shop> I use all of them
[17:21:01] <JT-Shop> have you seen my threading subroutine?
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[17:21:27] <archivist> does it do worms :)
[17:22:04] <JT-Shop> just night crawlers
[17:22:28] <archivist> I have to do a .5mod lh plastic worm
[17:22:58] <archivist> not sure whether to mill or turn at the moment
[17:23:08] <kwallace> I should look, but I don't want to include an option if it does more harm than good. I'd like to keep to the 90% applications
[17:23:16] <JT-Shop> I'm even less sure that you
[17:24:03] <gene__> Possibly silly Q, is motion sensitive to probe inputs while doing a backlash comp move?
[17:24:48] <jdh> doesn't all motion stop if it sees the probe during a non-probe-move?
[17:25:37] <JT-Shop> yep
[17:25:42] <kwallace> JT-Shop: May I get a hint to where your subs are?
[17:25:57] <skunkworks> well - I think if you hook it up.. The K&T just gives me a message.
[17:25:59] <JT-Shop> gnipsel.com
[17:26:18] <kwallace> Okay. brb
[17:26:30] <jdh> does gnipsel mean somethign?
[17:26:37] <skunkworks> my probe trips ever once in a while during rapids.
[17:26:49] <JT-Shop> yep
[17:26:53] <gene__> it appears so. My Z has a lot of backlash, and once contact is made, it takes about 50 or more taps on the key to take up the backlash and actually break contact
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[17:29:12] <gene__> skunkworks, that would almost have to be noise pickup I'd think.
[17:29:48] <skunkworks> gene__, really doubt it.. The input is a pretty stout opto.
[17:30:07] <skunkworks> and the probe is pretty sensitive
[17:30:22] <gene__> I just checked here, with z set for 1"/min, it takes 13 taps on the right arrow key to reopen the contact
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[17:31:19] <skunkworks> http://www.youtube.com/watch?v=U61ub6mtpH4
[17:31:28] <gene__> x, with the ball screw in it, has no problem, even at .1"/min motion
[17:32:32] <gene__> this probe is the tool touching a piece of dbl-sided pcb super-glued to the face of the gage I just made
[17:33:21] <gene__> at 5 volts from the pullup on the C1G, s/b perhaps .0001 accurqate?
[17:34:19] <kwallace> JT-Shop , I can't find it, sorry.
[17:34:34] <gene__> Also, I can't use it to measure backlash as the axis cannot bew zeroed when the contact is in effect
[17:34:42] <JT-Shop> http://gnipsel.com/shop/hardinge/hardinge.xhtml
[17:35:12] <gene__> Thats a bummer for us guys with sow's ear hardware.
[17:35:26] <kwallace> Got it, thanks.
[17:35:31] <JT-Shop> np
[17:35:44] <jdh> gene: call it a digital input instead of a probe
[17:35:57] <jdh> display the input value on a panel
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[17:36:36] <JT-Shop> jdh it is what Will Stockdale said to the sargent in the mess hall after the eye test
[17:36:51] <gene__> Bok, but will that work with G38.2 then?
[17:37:17] <gene__> ok, but will that work with G38.2 then?
[17:37:23] <JT-Shop> no
[17:37:43] <gene__> there goes my auto-calibrate idea...
[17:38:16] <JT-Shop> hmmm
[17:39:16] <JT-Shop> didn't someone block the probe input in HAL for some reason?
[17:40:15] <gene__> If you don't "net" it, I'd assume it is ignored.
[17:41:48] <gene__> I need to check the ini to see what I have set for backlash, whatever it is, axis shows it as around .013" in addition to whatever its set for. Grrrrr.
[17:42:11] <JT-Shop> yikes!
[17:43:08] <skunkworks> backlash is evil
[17:43:54] * JT-Shop heads to the cocina to whoop up a sammich
[17:45:14] <jdh> I see.
[17:45:39] <gene__> TEll me about it, z on a 7x12
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[17:45:51] <gene__> pure junque!
[17:46:25] <Connor> 7x12 mini lathe ?
[17:47:02] <jdh> if you are using the stock screw, you can tighten it
[17:49:02] <gene__> It is under a slight compression lengthwise, and the nut is just loose enough to allow it to turn. Part of the problem is the very poor and tapered fit of the nut in the apron casting.
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[17:50:37] <gene__> This thing is over a decade old now, would I fair any better if I ordered a new nut assembly and the apron casting
[17:51:30] <Connor> gene__: You talking about a 7x12 mini lathe ?
[17:51:35] <gene__> yes
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[17:51:46] <Connor> You CNC it ?
[17:51:51] <gene__> yes
[17:51:58] <jdh> put a ballscrew on it.
[17:52:37] <Connor> for the X, that's no problem.. but, how do you do that for the Z? Do they make them small enough ?
[17:52:42] <gene__> A screw that long is most of the price of this thing when I bought it.
[17:52:46] <t12> connor: are you the same connor as on cnczone?
[17:52:56] <Connor> t12: Yes
[17:53:01] <Connor> Well. Connor9220
[17:53:12] <t12> from the uh
[17:53:19] <t12> g0704 thread?
[17:53:23] <Connor> yes.
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[17:53:50] <t12> can i bombard you with ?'s here sometime?
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[17:54:04] <t12> pondering getting one for cnc conversion
[17:54:06] <Connor> Yea, or jdh, he's got one too.
[17:54:54] <jdh> I think people use 8mm ballscrews for z's ?
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[17:56:12] <Connor> gene__: You tighten up the gibs or redo them ?
[17:56:24] <Connor> those can cause lots of issues..
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[17:56:47] <IchGuckLive> hi all B)
[17:57:07] <gene__> I have an 8mm on the x, courtesy one of the guys here, but its not long enough for Z by about a foot. And yes, the gib, such as they are, have been scraped.
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[17:57:41] <Connor> Wait.. What are you calling the Z and what are you calling the X ?
[17:58:00] <jdh> the other ones :)
[17:58:08] <jdh> unless he's got a helluva cross slide
[17:58:17] <gene__> It woul;d take about 24.5" for Z, which is carraige drive, x is crossfreed.
[17:58:28] <Connor> You have that backwards.
[17:58:43] * archivist giggles at the lathe mill confusion
[17:58:52] <Connor> X is the carraige.
[17:59:01] <Connor> Z is the crossfeed.
[17:59:05] <skunkworks> no - that is correct - X is the crossfeed - Z is the carrage... Z is in-out from spindle.
[17:59:10] <gene__> on your machone maybe
[17:59:15] <skunkworks> heh
[17:59:16] <jthornton> lol
[17:59:25] <kwallace> gene__ , It seems a lot of the slop is from parts and joints from bits that could be removed on a CNC lathe. Can you mount the nut directly to the carriage or slide?
[17:59:26] <Connor> Right Z is in-out.
[17:59:28] <skunkworks> z is always too and fro the spindle.
[17:59:34] <jdh> heh
[17:59:44] <jdh> perhaps this is why mine is manual.
[17:59:53] <gene__> and x is across the spindle axis
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[18:00:02] <skunkworks> just like a mill
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[18:00:17] <jthornton> gene__, like this one? http://www.mini-lathe.com/Mini_lathe/Tuning/tuning.htm
[18:00:40] <gene__> My x nut is directly mounted to the cross slide
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[18:01:36] <Connor> grubmle.. I got all confused when I tried running my mill as a Lathe.. All my axises were strange... :)
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[18:03:36] <jdh> you could get a chinese 16mm screw for it pretty cheap
[18:03:38] <Connor> WHY do they use Z instead of Y anyway ?
[18:04:00] <IchGuckLive> gene__: where are you from USA Europ ...
[18:04:00] <gene__> I did folllow quite a bit of that link, but I had to start by making the way groove in the bottom of the saddle match the angles of the ways.
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[18:04:52] <gene__> when the v was pulled down into good contact, the back edge of the saddle was 1/8" up in the air! North central WV, USA
[18:05:02] <skunkworks> because Y isn't what goes towards and away from the spindle - Z is.
[18:05:25] <gene__> No Y on this setup.
[18:05:44] <gene__> Its a lathe, not a mill
[18:05:57] <IchGuckLive> lathe has only ZX in the interpreter to call
[18:06:02] * jthornton thinks a nap is in order now
[18:06:23] <IchGuckLive> jthornton: get a toast also
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[18:09:35] <kwallace> Has anyone done any left hand threading?
[18:10:23] <archivist> I am about to if I make the job I have in hand in the lathe
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[18:11:19] <kwallace> I'd like to take that button off my screen and maybe move it to an extended screen.
[18:11:50] <gene__> I have not using G76, but I believe its invertable, check the man page. I know its usable for internal as well as external threading
[18:11:53] <IchGuckLive> kwallace: what tread
[18:12:08] <IchGuckLive> size
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[18:12:54] <kwallace> http://www.wallacecompany.com/tui/Screenshot-6.png
[18:12:56] <gene__> G76 is universal, you have to tell it what thread pitch in the units yor machine is setup for
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[18:14:00] <archivist> kwallace, do I see something missing :)
[18:15:07] <kwallace> The problem is that the graphic needs to accommodate the feature. Plus the software needs to check input sanity, so I only want to support what really gets used.
[18:15:48] <gene__> I've cut, so far, 6-32, 1/4-28, and 5/8-27 on my toy, worked well as long as the tool is sharp.
[18:16:28] <gene__> kwallace, looks great, could be handier than bottle beer and sliced bread combined
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[18:18:04] <gene__> This is weird, I can see the actual air breakdown in the LED for pin 10 on the C1G as I creep from good contact back to open. :)
[18:18:48] <IchGuckLive> get a debounce in
[18:19:51] <gene__> The ledcreeps up to about 10% britness before its fully open again.
[18:20:29] <archivist> kwallace, you will want depth progression on coarser work or you will be breaking inserts/tooling or you will have to take small bites per pass
[18:22:15] <Connor> kwallace: That looks like a mach wizard...
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[18:22:59] <IchGuckLive> Connor: tkuinter can do this also on linuxcnc
[18:23:08] <Connor> I know.
[18:23:09] <archivist> kwallace, you wont need a safety groove with linuxcnc :)
[18:23:13] <IchGuckLive> glade is also available on this
[18:24:18] <kwallace> It's supposed to look familiar.
[18:24:53] <Connor> kwallace: I noticed some Tormach screen shots in that directory too..
[18:25:08] <kwallace> Oops.
[18:27:39] <skunkworks> crap - already fixed ;)
[18:27:40] <archivist> kwallace, why miss out the taper in out as that is very useful
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[18:28:28] <Connor> kwallace: Why did you remove them?
[18:28:38] <kwallace> That's why I'm asking for input.
[18:29:04] <archivist> there is no way I could have done http://www.collection.archivist.info/archive/DJCPD/PD/2012/2012_05_06_Leawood/IMG_1240.JPG
[18:29:23] <archivist> without a taper out, no safety groove
[18:29:49] <kwallace> It's not up to me to say what gets presented.
[18:30:30] <Connor> huh?
[18:30:34] <archivist> I thought this was your creation
[18:30:41] <IchGuckLive> archivist: reprap
[18:30:49] <kwallace> The taper feature doesn't have a safety zone?
[18:30:51] <skunkworks> kwallace is helping out tormach...
[18:30:51] <FinboySlick> archivist: You do that on your lathe?
[18:31:01] <archivist> FinboySlick, yes
[18:31:09] <Connor> OH.
[18:32:03] <FinboySlick> I really need to get my mill fixed.
[18:32:04] <archivist> kwallace, its coming out in the last threads
[18:33:09] <kwallace> I'll have to try the taper threading to check. Thanks for the warning.
[18:33:25] <archivist> its not taper threading
[18:33:35] <archivist> its the in out move
[18:34:29] <kwallace> Oh, the normal lead in and out?
[18:34:40] <archivist> in or out I should say
[18:34:47] <archivist> yes
[18:35:17] <archivist> but a taper on the out removes the need for a groove
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[18:37:04] <kwallace> I've always put a groove in, so I haven't considered otherwise. I may need to.
[18:37:36] <kwallace> It seems safer to always have one.
[18:38:56] <archivist> but this is cnc not manual :)
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[18:40:18] <gene__> How about this screw for my 7x12? http://www.ebay.com/itm/SFU1605-Ball-Screw-L650mm-Ballscrew-With-SFU1605-Single-Ballnut-For-CNC-/290776364520?pt=LH_DefaultDomain_0&hash=item43b39f35e8
[18:41:55] <Connor> 16mm, with 5mm pitch.. should be fine.
[18:42:10] <Connor> LMB2008 probably has the same thing..
[18:42:15] <Connor> he's on ebay too
[18:44:19] <kwallace> You might want to check if this has a double nut or adjustable preload.
[18:44:27] <jdh> how long is the 8mm screw?
[18:53:26] <gene__> That one is 16mm I believe, if I read the engrish right, single row nut, rolled, would still be a 10x improvement in accuracy
[18:54:15] <gene__> I didn't find him on ebay under ball screw listings
[18:54:54] <gene__> 16mmx5mm pitch, might take a re-think in my gear ratios.
[18:55:24] <gene__> ATM its only 2/1 from motor to screw
[18:57:35] <gene__> lets me run 40" rapids
[18:58:43] <gene__> with a 16tpi screw & 38 volts on the motors
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[19:02:09] <gene__> That screw above, how much more than a 1" square tube with a slot in the bottom to allow the nut mount to slide in, would I need to keep the crap off the threads?
[19:02:48] <mazafaka> http://mazafaka.posterous.com/tony-hawks-american-wasteland-russian-winter had been riding in the night, now fear to awake late, will sit 3 hours and awaiting for the morning...
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[19:07:19] <kwallace> Covering the screw should be doable.
[19:07:52] <JesusAlos> hi people
[19:08:47] <IchGuckLive> Hi how is the weather in spain
[19:08:59] <kwallace> http://www.kabelschlepp.com/conicalspring.htm
[19:12:32] <elmo40> IchGuckLive: how is the oil leak in the Gulf? :-P I bet it is still happening, just a lot less then before
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[19:13:30] <IchGuckLive> B)
[19:13:31] <Connor> gene__: http://stores.ebay.com/linearmotionbearings?_trksid=p2047675.l2563
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[19:20:00] <JesusAlos> a bit cold, but less than germany
[19:24:15] <archivist> gene__, balls screw cover imagine a clock spring pulled to a tube http://www.collection.archivist.info/archive/DJCPD/PD/2009/2009_09_10_Starturn_cnc_lathe/P1010039.JPG
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[19:27:39] <elmo40> it os a common system
[19:27:57] <elmo40> Toshiba uses it on their large boring mills
[19:29:07] <archivist> http://www.dqr.co.uk/ballscrew_covers.html
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[19:34:57] <kwallace> I made up a belows for my HNC from a manila folder to just get by. It has been working well for six years now. Maybe a paper screw cover would work too.
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[19:37:42] <gene__> Conner, that guy has one that is maybe 3/4" too long, but I can machine that. His prices for some items are very good.
[19:38:04] <gene__> What backlash could one expect from a C7 rated screw?
[19:39:01] <gene__> For screw covers, hiw about the spring out of an old, long tape measure?
[19:39:42] <Connor> gene__: Those C7's are the one people are using on the G0704 conversions.. people report .001 to .002 backlash..
[19:40:02] <Connor> For a 7x12, that should be fine.
[19:40:35] <gene__> It would be a 20 thou improvement :)
[19:40:54] <Connor> gene__: You can have him do the machining.. for a little extra $$ I forogt to ask on a set and they came cut flat.. they are surface hardened..
[19:41:37] <Connor> It's a pain to machine too.. because, you have to remove the nut.. and it can be tricky getting it back on if both ends are machined..
[19:43:35] <kwallace> The screw may make the backlash better, but my guess is that once you get used to it, the remaining backlash may become a bother.
[19:43:41] <AR_> that moment when you add up what you have spent on your machine........
[19:43:57] <AR_> i should have just bought a mill
[19:44:29] <AR_> i've definitely spent at least $500
[19:44:34] <AR_> and it isnt even together yet
[19:45:14] <Connor> kwallace: Can't he then use backlash compensation ?
[19:47:34] <gene__> Damn fleabay, they will not let me check out as a guest because my address is alreay known, and there is no way in hell I can recall the throwaway passwords I use with these turkeys.
[19:47:53] <kwallace> In my opinion, no because cutting can pull the axes into the cut. Backlash comp is a way to try and make backlash not feel so bad.
[19:48:05] <Connor> gene__: which one are you looking to get?
[19:48:29] <gene__> leave it sit I guess, while I go scan the wall in the house in case I scribbled it down.
[19:48:35] <Connor> kwallace: Even manual mills/lathes have backlash..
[19:49:41] <gene__> link is <http://www.ebay.com/itm/1antibacklash-ballscrew-RM1605-675mm-C7-BK-BF12-coupler-/250773562835?pt=LH_DefaultDomain_0&hash=item3a6344e5d3>
[19:50:00] <kwallace> But with manual mills, the operator is trained to lock axes and only feed in a direction that doesn't allow the axis to be drawn in.
[19:51:31] <Connor> He has that one machined.. so your good.. It's made to fit those blocks.
[19:52:36] <Connor> If you use those, you'll want to make sure the pockets on the one for the AC bearings aren't too deep.. or you can end up with some lash from that.. I had to put a shim on mine. and make the bearing spacer a bit longer..
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[19:56:51] <kwallace> Angular bearings come with different angles, so one needs to balance axial stiffness with max. RPM.
[19:58:02] <Connor> kwallace: Problem was in the bearing block.. they were machined a tad too deep and had some slop in it.. couldn't pre-load them.. had to add a shim between them..
[19:58:59] <kwallace> Bummer.
[19:59:16] <Connor> then the bearing nut spacer was too short.. caused the lock nut to rub against the rubber bearing shield on the bearing block.. had to have some a bit longer..
[19:59:21] <Connor> got it all worked out in the end..
[19:59:34] <Connor> these was a few years ago now.. I think they've improved their quality since..
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[20:02:36] <kwallace> Another thing I learned the hard way, I very carefully machined the bore for a bearing in an aluminum block for a light press fit. While holding it in my hand, the heat made it grow to a slide fit.
[20:03:41] <Connor> heat expansion can be a pain in the a$$
[20:05:02] <kwallace> I should have known and made the fit for mounting in a preheated mount.
[20:06:02] <gene__> Aware of that. I just tried to call ebay and resolve a bad bid that is in the way of my buying this screw, and the bitch claimed she couldn't hear me for the static and hung up, half a damned hour wasted.
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[20:32:24] <skunkworks> http://www.youtube.com/watch?v=ix7zAX1byaA
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[20:34:40] <ReadError> strange
[20:34:44] <ReadError> canadians must like the G0704
[20:34:52] <ReadError> all the youtube videos are by canadians it seems
[20:36:02] <kwallace> That's pretty cool, but now what?
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[20:37:04] <skunkworks> THe world!
[20:37:34] <skunkworks> I think maybe he has metric/english issues... The tool seems very large for the size of the movement
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[20:38:47] <archivist> is that some form of chair, human, for the excitement of
[20:39:54] <alex4nder> haha
[20:40:17] <MercuryRising> is there a gcode to home the axis at the current position? say I wanted the final x point in my program to be a 'new home'
[20:41:59] <MercuryRising> i have a 3d printer that uses the A axis, and when I g28 at the end, it a) goes really slowly, and b) unwinds my filament, if I could say "a axis, you're home now!" at the end of my gcode, it would be nice
[20:42:47] <kwallace> I would tend to use a windshield wiper worm drive instead of the direct stepper drive.
[20:47:04] <kwallace> Your using the A axis to feed the filament?
[20:47:19] <MercuryRising> yeah
[20:48:55] <kwallace> Off hand, I would not use motion but maybe a custom component, but I've only given it 30 seconds of thought.
[20:49:51] <skunkworks> can you do G10L20P0A0?
[20:50:26] <skunkworks> (assuming home is also 0)
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[20:51:26] <MercuryRising> yeah that worked great!
[20:51:34] <MercuryRising> thanks kwallace and skunkworks!
[20:53:13] <skunkworks> kwallace, I would think you would want motion - I would think the blending of all axis's would be a plus
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[20:54:05] <kwallace> Oh I missed that part, one needs the coordinated motion with XYZ. Oops.
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[21:01:22] <MercuryRising> hmmmm that actually didn't work
[21:02:09] <MercuryRising> it 'zerod' my axis, but it did not rehome it, so when i load up a new gcode file, it runs from the negative the final starting point to 0
[21:04:56] <skunkworks> change so - what is at the begining of the gcode? it must somehow set the a to machine coordinates...
[21:06:27] <MercuryRising> g90
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[21:06:46] <MercuryRising> here's the first lines before it starts moving around with g0's
[21:06:48] <MercuryRising> G28 ; home all axes
[21:06:50] <MercuryRising> G90 ; use absolute coordinates
[21:06:52] <MercuryRising> G21 ; set units to millimeters
[21:07:28] <skunkworks> g28 isn't home all axis - it is - go to a predefined location
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[21:08:27] <MercuryRising> the comments are from slic3r (although I thought it was home) and it's mainly developed for the reprap based gcode, it might be a little different
[21:08:51] <MercuryRising> they have an 'output for emc/mach3' option that i'm using
[21:08:59] <skunkworks> right - I have seen that on other controllers - G28 is home - but on linuxcnc it is not.
[21:09:12] <skunkworks> http://linuxcnc.org/docs/2.5/html/gcode/gcode.html#_g28_g28_1_go_to_predefined_position_a_id_sec_g28_g28_1_a
[21:09:40] <MercuryRising> you can have 9 axes of movement in linuxcnc?
[21:10:43] <skunkworks> yes
[21:10:51] <skunkworks> xyzabcuvw
[21:10:58] <MercuryRising> what kind of machine would use all 9?
[21:11:04] <skunkworks> robot arm..
[21:11:24] <skunkworks> uvw are usually based on tool tip direction
[21:12:01] <Connor> G28 and G30 are alike... ?
[21:12:09] <skunkworks> yes
[21:12:17] <Connor> No G29 ? :)
[21:16:14] <skunkworks> you should be fine without the g28 if you home the machine when you first start it then G10L20P0A0 at the begining of the gcode will set A to 0
[21:16:43] <skunkworks> each run
[21:19:24] <MercuryRising> alright, i'll try that out, thanks!
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[21:37:43] <andypugh> I was trying to think of a way to make a hexagonal socket in the end of a shaft.
[21:38:05] <andypugh> I thouhgt of pressing in a turned-down socket or the head of an allen bolt.
[21:38:16] <andypugh> Then I saw some rotary broaches on eBay
[21:38:40] <andypugh> Only then did I remember that my lathe can bore hxagonal holes...
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[21:43:10] <kwallace> But that's one of the things you are famous for.
[21:45:22] <andypugh> Yes, strange thing to forget really
[21:45:57] <andypugh> I have been adding faceting to my lathe config more permanently this evening.
[21:46:25] <andypugh> (A pyvcp box with "number of facets" in it :-)
[21:47:04] <DJ9DJ> gn8
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[21:50:38] <ReadError> you can bore hex holes?
[21:50:45] <skunkworks> yah - your going to have to do another video...
[21:51:54] <ReadError> oh theres a video ?
[21:51:55] <skunkworks> ReadError, http://www.youtube.com/watch?v=T4q8gCpeY1A
[21:53:17] <ReadError> oh thats cool
[21:53:27] <ReadError> how does it detect the position/rate ?
[21:57:18] <kwallace> The thing is that it goes only on spindle and X encoder ticks. Andy is turning the spindle by hand.
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[22:00:17] <r00t4rd3d> http://www.youtube.com/watch?v=i0HE7dAw2ns&feature=youtu.be&hd=1
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[22:04:23] <kwallace> Turning a hex on a lathe reminds me of a video of a synchronized live tool and spindle cutting a hex. ... here's one at 1:30: http://www.cnczone.com/forums/general_metalwork_discussion/54494-cutting_hex_cnc_lathe_live_tooling.html
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[22:10:11] <andypugh> This machine is specifically for that job, and turns out some interesting shapes. (not just polygons) http://youtu.be/1uZ241GRreg
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[22:17:36] <JT-Shop> what is the meaning of pose in this? " g5x_offset
[22:17:36] <JT-Shop> offset of the currently active coordinate system, a pose. Tuple of floats.
[22:17:36] <JT-Shop> "
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[22:22:06] <kwallace> A pose is a set of joint positions? So Home would describe a particular pose.
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[22:22:33] <JT-Shop> ah ok
[22:22:44] <kwallace> Just a guess.
[22:22:54] <JT-Shop> better than my guess
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[22:29:33] <andypugh> A pose is a set of _axis_ positions.
[22:29:56] <andypugh> (As I understand it)
[22:30:10] <andypugh> XYZABC
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[22:36:22] <JT-Shop> thanks
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[22:37:57] <JT-Shop> just doesn't seem a logical description of a tuple of floats to me
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[22:38:38] <andypugh> PCW: If I comment out the flash_start call, does that mean I can dry-run the rest of the code without worrying about breaking stuff?
[22:38:39] <cradek> I don't think it's helpful in a documentation sense to call it a pose
[22:39:04] <andypugh> JT-Shop: A "tuple of floats" is a description of a Pose, not the other way round.
[22:39:04] <JT-Shop> kinda what I was thinking
[22:39:31] <andypugh> Some tuples of floats are not poses.
[22:39:33] <cradek> it's not at all clear to me that adding "poses" makes sense. adding tuples makes sense, and adding offsets to a pose makes sense (you get a different pose)
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[22:39:47] <cradek> yeah I think we're all saying the same thing
[22:39:48] <JT-Shop> ok, using pose like one would pose for a photograph
[22:40:01] <cradek> yeah
[22:40:20] <andypugh> I personally had no idea what a "tuple" was until last year, so I would also suggest removing that from the docs. It isn't a normal word for normal people.
[22:40:22] <cradek> "everyone move left a bit!" is not also a pose
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[22:40:46] <cradek> this is a bit esoteric
[22:41:22] <cradek> 'tuple' has specific meaning in the python language, so it might make sense to leave that, if you're describing the types as well as what the values mean
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[22:41:50] <cradek> but if you're only describing what the values mean, yeah it's unnecessarily technical
[22:42:32] <andypugh> Other languages use "vector" for "tuple". Which doesn't make any more sense.
[22:42:35] <archivist> I hate the spread of the word tuple
[22:42:40] <JT-Shop> to use the stat you need to know it returns a tuple
[22:42:51] <cradek> what do you mean spread?
[22:42:56] * cpresser uses both. vector and tuple.
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[22:43:36] <cpresser> in fact, they are both used together as 'vector tuple' (at least in the german language)
[22:43:37] <archivist> a set of values that are related and belong to each other (database users over use it too)
[22:44:11] <cradek> archivist: it's the name of a particular type in python, and aside from that I have no opinion :-)
[22:44:18] <cpresser> but since i am no native english speaker, my input to this conversation is not that valuable :)
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[22:44:29] <cradek> I haven't heard it in everyday speech otherwise. maybe it'll get here eventually.
[22:44:45] <archivist> I have never seen it as a vector till now
[22:44:51] <cradek> cpresser: it's not an English question so much as a python question, I think
[22:46:54] <cpresser> in my experience touple is not an everyday word. my coworker here also doesnt know its meaning. i did learn about tuples at university. so it might not be a common word
[22:47:11] <cradek> I agree it's not
[22:47:15] <cpresser> but still, i like the word :)
[22:47:23] <andypugh> We should use tuples of tensors :-)
[22:47:56] <archivist> you are about to be beaten with a wet fish for that
[22:47:58] <cpresser> tensors are just vectors of higher dimension :D
[22:48:04] <cradek> pair, triple, and (to a lesser extent) quad are everyday words, but the generic form tuple (or n-tuple) is not
[22:49:11] <kwallace> I think tuples are in music too.
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[22:49:34] <archivist> a quintuplet
[22:49:44] <JT-Shop> http://linuxcnc.org/index.php/english/forum/41-guis/17806-gscreen-a-gtk--glade--python-based-screen?start=294#28561
[22:49:46] <cradek> kwallace: I only know of triplets and duples in music
[22:50:06] <JT-Shop> is a duple a double tuple?
[22:50:11] <JT-Shop> :)
[22:50:21] <kwallace> Duples, that's it. Sorry
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[23:23:25] <kwallace> The eBay mill down the road from me went cheap: http://www.ebay.com/itm/160949107892 . It would look so much better in my shop.
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[23:25:58] <Valen> you giant bastard
[23:26:12] <Valen> that would have sold for like $15k in australia :-<
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[23:31:20] <kwallace> Valen: It was hard, but I didn't even bid on it. I'm bummed out too.
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[23:52:33] <kwallace> Yay, it's snowing: http://www.wallacecompany.com/E45/cam2_archive/2013-01-10T15:45-0800_E45c2f.jpg
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