#linuxcnc | Logs for 2012-03-07

[00:00:14] <joe9> and the taig guys do not even answer calls. is it even a legit company? there is a lot of stuff about them on the web, so, must be pretty reputed..
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[00:04:05] <JT-Shop> never saw one, got a link
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[00:07:54] <joe9> mikegg: do you think you could help me build a cnc machine as accurate as the taig at an hourly rate?
[00:09:48] <deuplonicus> i don't necessarily want 2.5, but since we've gotten our machine up and moving this thing has crashed like 20 times. and I have an oldie 2.4.3
[00:10:38] <deuplonicus> i mean.... should I not?
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[00:17:16] <deuplonicus> is there a way to simply relocate the cut? I have something that has negative cuts, but it is tiny, how do I move it within axis?
[00:17:23] <JT-Shop> deuplonicus: crashed for configuration problems or other?
[00:17:53] <JT-Shop> joe9: I work by the hour...
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[00:18:05] <JT-Shop> deuplonicus: offsets
[00:18:06] <joe9> JT-Shop: how much?
[00:18:34] <joe9> JT-Shop: and, do you think you can help me build a cnc machine as accurate as the taig?
[00:18:52] <joe9> within a week or so.
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[00:19:14] <JT-Shop> $100, I build automation machines for a living
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[00:22:17] <djdelorie> JT-Shop: is it less fun when there's a paycheck depending on it?
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[00:32:08] <JT-Shop> it's more fun when you get what you expected :) and not more experiance
[00:33:39] <djdelorie> he. As in "well, *that* didn't work..." ?
[00:34:31] <JT-Shop> something like that...
[00:37:11] <alex4nder> hey
[00:38:29] <alex4nder> joe9: when did you call Taig?
[00:40:34] <JT-Shop> Andy only has 5124nm to go...
[00:48:38] <JT-Shop> I am so frustrated with OneCNC it is crap
[00:50:56] <jdhnc> what is it?
[00:51:13] <jdhnc> OneCNC.net loaded and gave me a windows virus alert popup
[00:51:59] <JT-Shop> cam software from down under
[00:52:27] <JT-Shop> oncnc.com
[00:52:33] <JT-Shop> onecnc.com
[00:53:04] <jdhnc> same site it seems.
[00:53:18] <JT-Shop> I get answers like I don't use that cause it don't work right!
[00:53:32] <JT-Shop> wtf
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[00:54:41] <jdhnc> intro video looks col
[00:54:43] <jdhnc> or cool.
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[01:05:25] <elmo40> other then a lack of par port... would this be a potential unit for a linuxCNC machine? http://www.raspberrypi.org/faqs
[01:06:23] <elmo40> maybe a makerbot ;)
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[01:08:38] * JT-Shop wished OneCNC worked as well as LinuxCNC did
[01:08:55] * JT-Shop hugs LinuxCNC again
[01:19:14] <JT-Shop> how about some makers mark
[01:28:35] <Jymmm> JT-Shop: You trying to get LinuxCNC drink again? You know what happened last time... took a week to clean up all the puked coolant from within the control cabinet!
[01:28:43] <Jymmm> s/drink/drunk/
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[01:38:27] <djdelorie> elmo40: it has a parallel port, it's just not a *printer* port. more GPIOs than a printer port... should work
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[01:56:31] <joe9> alex4nder: supposedly, one of their suppliers went out of business and taig does not have any machines.
[01:56:35] <joe9> in stock.
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[02:00:29] <jdhnc> you could get a sherline
[02:04:51] <Tom_itx> meh, they're pretty lightweight
[02:05:03] <alex4nder> joe9: have you called nick carter?
[02:05:31] <alex4nder> but he probably doesn't, since he drop ships everything.
[02:13:03] <joe9> i sent him an email. waiting to hear back from him.
[02:13:24] <alex4nder> that's rough.
[02:13:34] <alex4nder> did you talk to the little old lady?
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[02:14:14] <joe9> who is the little old lady? I have been exchanging emails with a "Daisy" of Taigtools.com
[02:16:19] <alex4nder> oh, you haven't talked to her?
[02:16:26] <jdhnc> have you checked any resellers to see if they have one stocked?
[02:17:40] <joe9> alex4nder: do you know if I need the collet wrench to change collets?
[02:18:02] <joe9> jdhnc: i emailed nick carter. I will start calling all the resellers tomorrow.
[02:18:34] <joe9> alex4nder: i know that you bought the 1 inch collet wrench. I am trying to see what it is used for.
[02:18:44] <joe9> just to change collets or for something else.
[02:18:45] <alex4nder> joe9: you can use any adjustable or open ended wrench
[02:18:54] <elmo40> djdelorie: the reaspberry has GP IOs?
[02:19:01] <jdhnc> http://www.ebay.com/itm/150766924442
[02:19:12] <joe9> does the "Computer ready 2019" come with any wrenches?
[02:19:30] <jdhnc> if it comes with teh collet, it most likely comes with a matching collet wrench
[02:19:38] <jdhnc> but, they are usually just cheap stamped metal
[02:20:05] <djdelorie> http://elinux.org/RPi_Low-level_peripherals
[02:20:27] <joe9> jdhnc: this is what it said: "2 and a half weeks until this item will ship"
[02:21:11] <jdhnc> osm
[02:21:13] <djdelorie> ". . . to provide a total of 17 GPIO pins"
[02:21:21] <jdhnc> isn't that faster than taig?
[02:21:25] <alex4nder> jdhnc: the taigs have a collet wrench available.. but it's 1" .. and that sucks on a 25mm collet. : |
[02:21:42] <jdhnc> that's pretty lame.
[02:22:03] <djdelorie> joe9: for the amount of effort and time you're putting into this, you could have had your boards made by now ;-)
[02:22:24] <elmo40> or bought a used desktop mill
[02:22:25] <jdhnc> and gotten the 2nd revs back from china
[02:22:54] <joe9> alex4nder: taig does not have a 25mm collet wrench.
[02:23:02] <alex4nder> joe9: that's what I said.
[02:23:08] <joe9> alex4nder: I was trying to buy it, since you recommended it.
[02:23:11] <elmo40> djdelorie: ok, I haven't completely read up on this tiny device... but isn't the IO pins a good thing for CNC?
[02:23:14] <joe9> alex4nder: oh, ok.
[02:23:26] <alex4nder> joe9: you buy it from one of the many places that sells open-ended 25 mm wrenches.
[02:23:33] <djdelorie> elmo40: linuxcnc uses the parallel port as "just a bunch of GPIO pins" anyway, so yes.
[02:23:43] <joe9> alex4nder: ok, thanks.
[02:23:52] <jdhnc> buy a set from harbor freight, throw the rest away
[02:24:07] <djdelorie> just be aware that the RPi pins are 3.3v CMOS logic, not 5v TTL logic. Might need a buffer.
[02:25:06] <joe9> jdhnc: osm == awesome or osm == "oh, shit moment"?
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[02:26:08] <jdhnc> osm?
[02:26:37] <jdhnc> I don't know what you mean, but if I ever say osm for awesome, or 'r' or 'u' or worse 'ru', please shoot me.
[02:26:48] <elmo40> ah, cmos. good to know ;)
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[02:27:30] * elmo40 note to self... shoot jdhnc if he begins to type like a 14year old girl...
[02:27:34] <joe9> from here: "21:18 < jdhnc> osm"
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[02:27:48] <jdhnc> heh, no clue :)
[02:27:50] <djdelorie> well, not "cmos" cmos, like the 4000 series. But it's the 20%/80% logic thresholds.
[02:28:10] <jdhnc> elmo40: there are no 14 year old girls on teh internette, just federal agents.
[02:29:39] <elmo40> tell that to my daughter
[02:30:02] <jdhnc> ok agent smith.
[02:33:32] <elmo40> no relation...
[02:33:34] <elmo40> ;)
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[03:07:36] <ssi> nothing's ever easy D:
[03:13:33] <elmo40> if it was then everyone would be doing it!
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[03:17:35] <iwoj> hey all y'all
[03:17:57] <iwoj> I'm trying to compile my own custom linux+rtai+emc2
[03:18:11] <iwoj> but i'm having a helluva time
[03:18:23] <jdhnc> iwoj: nothing's ever easy
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[03:18:31] <iwoj> question: compiling linux-
[03:18:49] <iwoj> but for some reason it's only building 2 kernel modules.
[03:18:55] <iwoj> I have no idea why.
[03:19:11] <iwoj> a normal linux build includes dozens of modules.
[03:19:25] <iwoj> thoughts?
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[04:07:04] <CareBear\> iwoj : what is built as module or not is configurable for >90% of the drivers, and what gets built simply follows the configuration. personally I avoid modules as far as possible.
[04:07:12] <CareBear\> I prefer 0.
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[07:51:27] <DJ9DJ> moin
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[14:28:06] <Mjolinor> this Heekscad takes seom installing, it's been running it's install script for 7 hours now and no sign of an end
[14:32:05] <jdhnc> I'd try again.
[14:33:11] <cncbasher> which install are you using ?
[14:33:20] <Mjolinor> git
[14:33:33] <Mjolinor> just downloded it off git adn set off the ubuntu install script
[14:33:43] <Mjolinor> its going fine, no errors jsut very very slow
[14:34:18] <cncbasher> i'll install it here and see
[14:35:44] <Mjolinor> unless you want it I wouldn't
[14:35:54] <Mjolinor> it obviously does a lot with libraries and stuff
[14:36:04] <Mjolinor> this computer will problay never boot again
[14:36:19] <cncbasher> haha
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[14:37:14] <Mjolinor> woot woot, 98 %
[14:37:14] <Mjolinor> 99
[14:37:15] <Mjolinor> 100
[14:37:15] <cncbasher> yea thats only one library ..
[14:37:15] <Mjolinor> :)
[14:37:15] <cncbasher> another 50 to go
[14:37:28] <Mjolinor> well its mad ehte keekscad deb adn is installing it now
[14:37:39] <Mjolinor> I think there is heekscnc adn other stuff yet to go
[14:38:09] <Jymmm> The .deb only takes 2 minutes to install.
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[14:38:28] <cncbasher> yea just installled the dev
[14:38:30] <cncbasher> deb
[14:38:41] <Mjolinor> I jsut know it is going to error jsut before it finishes
[14:39:10] <Mjolinor> oh crap, its back at counting now, 1%
[14:39:42] <Jymmm> Mjolinor: "CONGRADULATIONS! You're installation of Microsoft Widows 3.11 is complete."
[14:39:52] <Mjolinor> :)
[14:40:08] <Mjolinor> even that from floppys doesnt take this long
[14:40:29] <Jymmm> from source, not floppies
[14:40:30] <Mjolinor> the last good OS microsoft made was that
[14:41:16] <Jymmm> No, W98c was pretty good
[14:41:31] <Mjolinor> it was at the end
[14:41:52] <Mjolinor> I suppose they were all breakthroughs in their time
[14:42:01] <Mjolinor> windows 2.11 sucked
[14:43:18] <Mjolinor> if it takes me 8 hours a time to try these cad packages I could be in for a long discovery cycle
[14:49:35] <Mjolinor> whoopedoop, I got my prompt back and no errors :)
[14:58:21] <ssi> so... can I use a VFD to run my whole machine, coolant pump, original control and all?
[14:58:31] <ssi> or is there something about VFDs that makes them ill suited to running more than just one motor
[14:58:49] <Mjolinor> you wont get variable speed if oyu do that
[14:58:57] <ssi> that's fine, I don't need variable speed
[14:59:08] <ssi> I just want to get this thing running so I can verify everything works before I tear the original control down
[14:59:15] <ssi> and it does mechanical variable speed already
[14:59:51] <Mjolinor> then I htink that provided your VFD is big enough to run everything it shuodl be OK
[14:59:58] <ssi> k that shouldn't be a problem
[15:00:11] <Mjolinor> could call the fire brigade beforehand jsut in case :)
[15:00:14] <ssi> I'll be getting a 3hp vfd, and it's a 2hp spindle motor, but I won't be loading it up
[15:00:16] <Jymmm> Don't look down... http://www.wallpapersland.net/wp-content/uploads/2011/08/Bridge-from-the-air.jpg
[15:00:26] <ssi> I'm not concerned about fire or electrical death
[15:00:33] <ssi> just nastiness that might kill the control
[15:00:40] <jdhnc> fire hurts.
[15:00:54] <Mjolinor> so does electricity
[15:01:02] <ssi> eh electricity's not so bad ;)
[15:01:28] <Mjolinor> depends what it is :)
[15:01:39] <ssi> nothing that I Have in my house scares me :)
[15:01:51] <Jymmm> you must be single
[15:01:59] <ssi> duh
[15:02:04] <ssi> nobody can afford to do this shit right if they're married
[15:02:11] <ssi> or if they run a business
[15:03:17] <jdhnc> I'm married.
[15:03:28] <Mjolinor> me too
[15:03:44] <Mjolinor> lots of things in my house scare me
[15:03:55] <Mjolinor> son << 2 inches taller than me
[15:04:02] <Mjolinor> wife, dog , daughter
[15:04:10] <Mjolinor> all suitable candidtes for being scared
[15:06:19] <ssi> poor fella
[15:06:26] <ssi> nobody should have to be scared in their own house :D
[15:07:32] <jdhnc> if my wife would just move her damned car out of the garage, I'd be set for space.
[15:08:00] <ssi> I just paid a couple guys to completely clean out my garage
[15:08:05] <Jymmm> change her remote control
[15:08:09] <ssi> I have to make room for machines #9 and #10
[15:08:31] <jdhnc> ssi: I've been working on that for months, but it's all my stuff and I can't throw it away.
[15:08:42] <ssi> I have mostly the same issue
[15:08:50] <ssi> it would have taken me months to do it
[15:08:55] <ssi> but these two guys did it for me in a day
[15:08:59] <Mjolinor> did anyone watch that thing on hourders on channel 4 a few days ago
[15:09:09] <ssi> they're gonna do the other side where my big mill and lathe and plasma table are tonight
[15:09:11] <jdhnc> I don't get a channel 4
[15:09:15] <Mjolinor> that was so scary, I have started tidying my loft for fear of going the same way
[15:09:17] <Jymmm> jdhnc: If her garage remote doesn't work anymore, she won't park in the garage =)
[15:09:59] <Mjolinor> guy was a compulsive hoarder of newspaper, he had newspapers stacked to within 12 inches of the top of the door frames all over his house apart from an area 2ft by 6ft where he haad his cooker adn a chair
[15:13:00] <ssi> hrm I can get a TECO 3hp vfd for $215, or a hitachi X200 3hp for $254
[15:13:11] <ssi> I've got a TECO on my little 1hp lathe, and I've been quite happy with it
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[15:26:03] <ssi> ordered the teco
[15:26:14] <ssi> it's sensorless vector drive, the hitachi's not I don't think
[15:26:37] <Jymmm> Shoulda got the burrito, not the taco.
[15:27:00] <ssi> drop the chalupa
[15:41:53] <tehDarkAura> how well do ATX power supplies work in series?
[15:43:28] <tehDarkAura> going to have to make a plastic case for the one without a ground connection...
[15:43:39] <tehDarkAura> that kinda sucks
[15:43:43] <JT-Shop> plug a few together and let us know what happens
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[15:44:11] <tehDarkAura> yeah gonna go to MicroCenter and grab a couple cheap-os to wire together tonight
[15:44:24] <Mjolinor> I owuldnt have thought the gound would be connected
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[15:44:36] <Mjolinor> certainly it isnt on a PS3 power supply, use those instead
[15:44:43] <tehDarkAura> cant have both grounded or its short out
[15:44:48] <Mjolinor> they are cheaper adn higher power
[15:44:54] <tehDarkAura> ohhh
[15:45:07] * tehDarkAura goes to look around on ebay
[15:45:16] <Mjolinor> £5 each I paid
[15:45:23] <tehDarkAura> wow nice!
[15:45:25] <Mjolinor> they are excellent for this sort of thing in my opinion
[15:45:32] <Mjolinor> 32 amps
[15:45:46] <tehDarkAura> :D what are the V levels?
[15:45:46] <Mjolinor> there are 2 models though, one is only 24 amps
[15:45:53] <tehDarkAura> ahhhh
[15:45:57] <Mjolinor> 5 @ 2 amps, 12 @ 32 amps
[15:46:29] <tehDarkAura> very nice
[15:46:44] <Mjolinor> small and relay operated on the 12 volts too
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[16:10:20] <jdhnc> 48V, 11A Power Supply, $50. http://www.mpja.com/email/03-06-12.asp?r=245198&s=2
[16:11:50] <syyl> hengfu sounds very convincing ;)
[16:12:02] <ssi> HENGFU
[16:13:05] <jdhnc> beats trying to wire two ATX PSU's together.
[16:13:28] <syyl> why no meanwell PSUs?
[16:13:37] <syyl> they look a bit more serious :D
[16:13:53] <syyl> also not to expensive
[16:16:57] <jdhnc> http://www.galco.com/buy/Mean-Well/DRP-480-48
[16:16:59] <jdhnc> like that one?
[16:18:01] <syyl> yeah
[16:18:09] <syyl> they have also smaller ones
[16:18:41] <jdhnc> sure, but that one is slightly smaller than the $48 one above.
[16:19:22] <syyl> for example, i use a 48V/6,7A meanwell in my cnc
[16:19:35] <syyl> cost about 50 bucks
[16:24:44] <JT-Shop> Yea! the boat Andy is on is still second place with only 5028nm left to go...
[16:29:25] <tehDarkAura> nauticle miles?
[16:29:50] <JT-Shop> yea
[16:30:02] <tehDarkAura> thats a long freaking ways to go!
[16:30:25] <tehDarkAura> any idea how long the whole race is?
[16:32:17] <awallin> the really really fast volvo ocean race boats can do 500nm/24h
[16:32:47] <tehDarkAura> ohh wow so 10 days left
[16:33:00] <awallin> in the right kind of weather etc. So maybe 2-300nm/day for those boats..
[16:33:04] <tehDarkAura> man i cant imagine being on a boat that long
[16:33:08] <awallin> probably closer to 20 days I guess
[16:33:13] <tehDarkAura> wow!
[16:35:40] <awallin> this page shows 86nm/12h so that would be 200nm/day http://www.clipperroundtheworld.com/
[16:38:09] <tehDarkAura> holy crap looks intense -- those are some crazy people!
[16:40:09] <JT-Shop> tehDarkAura: round the world race
[16:40:18] <JT-Shop> Andy is only on one leg
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[16:41:34] <tehDarkAura> wow! pretty awsome!
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[16:50:27] <joe9> do machine shops normally allow others to use their machines at a certain price?
[16:50:55] <awallin> too high risk of injury to you and/or machine. no.
[16:51:16] <joe9> oh, ok. thanks.
[16:51:26] <awallin> community college, vocational school or similar would be the one to try...
[16:54:04] <JT-Shop> some cities have pay by the hour public machine shop kinda thing
[16:56:06] <JT-Shop> http://techshop.ws/
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[17:01:33] <joe9> JT-Shop: thanks, will check up on it.
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[17:04:08] <archivist> or http://en.wikipedia.org/wiki/Hackerspace
[17:05:09] <joe9> i tried the local hackerspace, they did not have a working cnc m/c.
[17:05:12] <joe9> archivist: thanks.
[17:05:33] <jdhnc> in a few months, you could go help them fix that.
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[17:05:44] <joe9> jdhnc: hopefully...
[17:06:09] <archivist> does your local have manual machines
[17:06:21] <ssi> I wanted to join the local hackerspace
[17:06:25] <ssi> but they're culty and annoying
[17:06:32] <ssi> and I have better machines than them
[17:06:34] <ssi> so screw them :D
[17:06:35] <JT-Shop> LOL
[17:06:37] <joe9> curious, is there any smart way of attaching a calipers or micrometer or dial indicator to an xy-table?
[17:06:43] <joe9> ssi, what is "culty"?
[17:07:03] <archivist> they think they know more
[17:07:05] <JT-Shop> joe9: google DRO 350
[17:07:06] <ssi> they wanted you to have "sponsorship" to join, and they have all these weird fraternity-style rules that I didn't like
[17:07:16] <archivist> self appointed experts
[17:07:24] <ssi> yeah, that too
[17:07:39] <ssi> they want you to come out and spend so many days helping them build out space before they'll let you do anything interesting
[17:07:46] <joe9> ssi: it seemed to be more for beginner/part-time folks to spend some free time.
[17:07:50] <joe9> imho.
[17:07:57] <ssi> yeah, probably so
[17:08:31] <ssi> hell I could probbaly start one of my own
[17:08:32] <joe9> JT-Shop: dro 350 is cool.
[17:08:38] <archivist> I met a local computer group that was entertaining
[17:08:40] <joe9> ssi, where you located?
[17:08:48] <ssi> NW of Atlanta, GA
[17:09:50] <joe9> ssi, can you help me out? any machines that I could use for a fee?
[17:09:55] <ssi> you nearby?
[17:09:58] <joe9> ssi, i am in Atlanta, ga
[17:10:02] <joe9> near Decatur.
[17:10:05] <ssi> what are you looking to do?
[17:10:22] <joe9> to start with, a milling machine to drill some holes.
[17:10:29] <joe9> do you have a taig?
[17:10:41] <ssi> my only operational mill at the moment is a 9x42 bridgeport style
[17:10:46] <ssi> but I'd be happy to help you out with it
[17:11:09] <ssi> I have a g0704 that is in a zillion pieces that eventually will be EMC-controlled
[17:11:28] <jdhnc> ssi: make two sets of everything, send me one.
[17:11:32] <joe9> jt-shop, the dro 350 is a pretty cool one. thanks.
[17:11:46] <ssi> jdhnc: If I was making them via CNC, that might be feasible :)
[17:14:12] <JT-Shop> joe9: np
[17:17:38] * JT-Shop ponders how to make a 13" radius bend in a piece of 1 1/2" wide steel that tapers from 3/8" thick to 1/8"
[17:18:08] <ssi> roller?
[17:23:38] <JT-Shop> looking to see what I have that I can use in the press
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[17:29:59] <mrsun> hmm, sigh .. i suck at designing stuff! :P even a skate bearing block feels to hard to cad up :P
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[17:31:41] <mrsun> i guess as long as i make all the holes in it in one go things shouldnt be able to go wrong ;P
[17:31:53] <mrsun> just flip the piece on all four sides and drill the same location
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[17:32:28] <cradek> mrsun: have you tried using a pencil instead of cad? I find that makes simple parts a lot easier.
[17:32:44] <mrsun> cradek, i want the drawing for the mill afterwards ;P
[17:32:52] <mrsun> problem i have is all the stupid angles
[17:32:57] <mrsun> makes numbers very uneven
[17:32:59] <cradek> yes you can take the paper with you!
[17:33:00] <mrsun> like 12.51321
[17:33:01] <mrsun> etc :P
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[17:33:58] <mrsun> and i figured out that for an excentric mount for a skate bearing i would need to have at a MAXIMUM m5 bolt and that would give me about 1mm adjustability of the bearings
[17:34:01] <tehDarkAura> the hackerspace here is tiny and lame too
[17:34:19] <tehDarkAura> $50 a month for arduino classes ?? lol no thanks ;)
[17:36:05] <ssi> yeah that is lame
[17:36:05] <ssi> hahah
[17:38:11] <tehDarkAura> i like arduino hardware being readily available and stuff .. but I typically burn over the bootloader and use my dragon and avrstudio to program
[17:38:41] <jdhnc> the bootloader is the only useful part
[17:47:17] <TekniQue> jdhnc: agreed
[17:47:35] <TekniQue> the hardware is not so great
[17:47:42] <TekniQue> the board is an odd shape
[17:48:04] <TekniQue> and has connectors that are not even aligned on a grid
[17:48:28] <TekniQue> making it a bit of a PITA to build these shields
[17:48:57] <Connor> You can get stacked headers that are "bent" to compensate for that.
[17:49:10] <TekniQue> Connor: they only compensate at one level
[17:49:23] <TekniQue> it's impossible to stack if you use those
[17:50:03] <Connor> Stupid mistake. They should have corrected it on the next batch and never let it get that prevalent..
[17:50:28] <Connor> It wasn't done on purpose.
[17:51:19] <ssi> yeah but it's baked in now
[17:51:22] <ssi> they may never recover from it
[17:51:22] <ssi> heh
[17:51:43] <A2Sheds> that's one reason why we started making these http://elinux.org/Embedded_Open_Modular_Architecture/EOMA-68
[17:52:04] <A2Sheds> http://rhombus-tech.net./allwinner_a10/
[17:52:32] <A2Sheds> I don't under stand why there aren't Arduino clones for <$10
[17:53:25] <jdhnc> A2: I have a bunch of RBBB kits, $13 Q1
[17:53:26] <A2Sheds> even ST has <$10 STM32 dev boards you can use as embedded boards
[17:53:39] <A2Sheds> RBBB?
[17:53:46] <TekniQue> A2Sheds: the AVR is expensive
[17:53:48] <A2Sheds> is that short for something :)
[17:53:48] <jdhnc> http://shop.moderndevice.com/products/rbbb-kit
[17:54:07] <TekniQue> 8 bit AVR with 2kB RAM costs more than many ARM7 chips with 16-32kB RAM
[17:54:37] <A2Sheds> why did they become so popular?
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[17:54:44] <jdhnc> the bootloader
[17:55:04] <jdhnc> and the IDE... makes programming trivial
[17:55:09] <Connor> more than just that. It was the IDE and Wiring
[17:55:33] <A2Sheds> probably why I never considered them
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[17:56:32] <A2Sheds> I'm only now using the teensy2 for USB to IO control for the open source photopolymer printer
[17:57:09] <A2Sheds> and that mainly due to firmware and application software that was already done
[17:57:14] <A2Sheds> but it's expensive
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[17:57:37] <djdelorie> what *do* you look for in an embedded board? I've built most of my own, but I tailor them to my own needs...
[17:57:42] <A2Sheds> http://www.pjrc.com/store/teensy_pins.html
[17:58:07] <A2Sheds> http://code.google.com/p/lemoncurry/wiki/main
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[17:58:34] <A2Sheds> http://www.pololu.com/catalog/product/1183 using this to drive a nema17 stepper slowly
[17:59:26] <A2Sheds> for low volume I try to find off the shelf, the needs depend on the project
[17:59:54] <djdelorie> A2Sheds: http://www.delorie.com/electronics/r8c-3mk/ http://www.delorie.com/electronics/gR8C/ (see photos at bottom) and http://www.delorie.com/electronics/rx/rx62n-breakout.html
[18:00:14] <djdelorie> but my CNC drivers use the RX/62T which seems to have all the motor control stuff in *hardware* which makes things easy
[18:05:02] <A2Sheds> wow R8, we used to use H8
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[18:05:25] <djdelorie> R8C actually, not the same family as the H8 (which they still develop)
[18:06:44] <djdelorie> the R8C is similar to the 8086 internally, and the new RL78 is like the Z80. The RX is a more modern architecture.
[18:07:20] <A2Sheds> I has high hopes for the SuperH
[18:08:03] <A2Sheds> we are actually looking at the new Renesas mobile quad arm core + SH for the eoma68 cards
[18:08:49] -!- automata has quit [Ping timeout: 260 seconds]
[18:10:49] <A2Sheds> http://renesasmobile.com/technology/ap-cpu.html
[18:13:20] <A2Sheds> http://am.renesas.com/applications/automotive/cis/cis_highend/rcar_h1/index.jsp better link
[18:14:12] <A2Sheds> I'd like to spin a version of the A10 card with an FGPA to interface to the Mesa board
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[18:15:20] <A2Sheds> and also use the FPGA to have a DDR based flash drive for the fast NAND interface, on card FAST SSD for swap 1-4GB
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[18:23:15] <IchGuckLive> Hi all B)
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[18:33:29] <Mjolinor> :( heekscad broke my system
[18:35:23] <IchGuckLive> can you send me a error ?
[18:35:32] <IchGuckLive> OS ?
[18:35:46] <Mjolinor> ubunntu 11.04
[18:36:22] <IchGuckLive> did you use the script ?
[18:36:28] <Mjolinor> yup
[18:36:41] <Mjolinor> it works OK but the upgradfe manager is complaining
[18:36:51] <Mjolinor> The following packages have unmet dependencies:
[18:36:51] <Mjolinor> heekscnc: Depends: python-wxgtk2.8 but it is not installed
[18:36:51] <Mjolinor> Depends: libgtkglext1 (>= 1.2) but 1.2.0-1.1ubuntu1 is installed
[18:36:51] <Mjolinor> Depends: python (>= 2.5) but 2.7.1-0ubuntu5 is installed
[18:36:56] <IchGuckLive> issu wars the opencamlib
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[18:39:55] <IchGuckLive> Mjolinor: so only the heekscnc module is not running
[18:40:23] <Mjolinor> I tihnk I fixed it with "apt-get -f install"
[18:40:40] <Mjolinor> so not a major problem :)
[18:40:54] <IchGuckLive> ok
[18:41:53] <Mjolinor> yup, seems to be all OK now, apt is not whinging and heekscad still works
[18:42:25] <IchGuckLive> please check a postprocess if the libs are in place
[18:42:36] <Mjolinor> ?
[18:42:40] <Mjolinor> in english
[18:42:44] <Mjolinor> or instruciton s:)
[18:43:16] <IchGuckLive> make a circle convert to sketch and run a mill path on it on your mashine
[18:43:44] <jdhnc> could you explain what a sketch is exactly?
[18:43:46] <Mjolinor> :o I havent got taht far yet, still working out how to draw anything never mind make it into soemthign I can use :)
[18:43:58] <IchGuckLive> http://www.youtube.com/watch?v=DAVkVawm6pM
[18:44:09] <IchGuckLive> i got video !!
[18:44:14] <IchGuckLive> B) O.o
[18:44:18] <Mjolinor> tutorials seem to be a bit thin on the ground right now
[18:44:26] <IchGuckLive> but im german i got bad englisg
[18:45:45] <Mjolinor> is there audio on this video?
[18:46:53] <IchGuckLive> yes
[18:47:10] <Mjolinor> hmm, have to find soem speakers to plug in then :)
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[19:11:15] <Mjolinor> hmm, the menu at the top left that has the green paths in is different on mine. It doesnt have the drop down with G0 and py on it
[19:11:31] <joe9> which is better? t-nut or clamp to hold a 1/32inch workpiece down for milling? (taig machine)
[19:11:51] <jdhnc> why are you limited to those two choices?
[19:12:40] <joe9> jdhnc: those are what I know.
[19:12:41] <IchGuckLive> Mjolinor: use the mashine menue in the top bar
[19:12:43] <jdhnc> Any through-holes for components?
[19:13:04] <joe9> jdhnc: yes, there are some through holes and some slots (not all the way through)
[19:13:22] <alex4nder> joe9: buy the mill
[19:13:25] <alex4nder> then worry about this shit
[19:13:27] <joe9> jdhnc: i was initially thinking of ordering this: http://www.hightechsystemsllc.com/pt_work_holding_system.html
[19:13:38] <alex4nder> fixturing is a total complex process that you learn to do properly
[19:13:39] <joe9> alex4nder: just placed the order for the mill.
[19:13:45] <alex4nder> joe9: congrats, what did you order?
[19:13:51] <joe9> alex4nder: the same that you have.
[19:13:57] <alex4nder> nice, someone had one in stock?
[19:13:57] <jdhnc> if you mount your board on that, what happens to the drill when it exits the other side?
[19:14:12] <joe9> but, they did not add the end mills. so, I have to figure out if i need them.
[19:14:32] <alex4nder> for what you're doing, the endmills they include are just nice to have.
[19:14:43] <alex4nder> they're just some nice smallish english-made endmills
[19:14:48] <joe9> jdhnc: good question, I was thinking that I could put a stock of wood oslt below. but, I think that is not a good solution. hence, looking for something better.
[19:15:09] <joe9> alex4nder: yes, a2z corp had them in stock.
[19:15:15] <alex4nder> ah, they're cool
[19:15:25] <joe9> jdhnc: I know that you use anything lying around.
[19:15:39] <jdhnc> that's beside the point.
[19:15:40] <joe9> jdhnc: but, for a noob like me, which would you recommend? something steady.
[19:15:58] <jdhnc> I also have real clamps and holding fixtures.
[19:16:33] <alex4nder> joe9: I highly recommend A2Z's miling clamps, 10-32 thread studd kit, their 10-32 screw kit, and their spherical nut sets.
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[19:17:04] <joe9> or something from here? http://www.mcmaster.com/#standard-leveling-mounts/=gjb6s2
[19:17:35] <alex4nder> I also recommend A2Z's pre-made t-nuts, and their t-slot cleaner.
[19:18:10] <alex4nder> joe9: you'll want to bolt the taig to something.
[19:18:13] <joe9> alex4nder: that is a lot of stuff/money. if you had to pick, any suggestions on what would be absolutely necessary for pcb milling?
[19:18:32] <alex4nder> joe9: I think you're going to have to end up building your own PCB fixtures.
[19:18:40] <alex4nder> to do that, you'll need to mill some metal.
[19:18:44] <djdelorie> joe9: you buy too much stuff, we have to revoke your DIY license ;-)
[19:18:44] <cradek> carpet tape
[19:18:46] <alex4nder> or some plastic.
[19:19:07] <alex4nder> joe9: oh and that shit I just listed isn't a lot of money
[19:19:07] <mazafaka> End mill D16 with 4 flutes, 200 RPM, 3mm in side with 15 mm height, 80 mm per minute, stainless steel ??
[19:19:12] <cradek> you can't clamp a pcb by the edges and have it end up flat
[19:19:23] <alex4nder> joe9: I've spent the cost of my mill just in tools and accessories.
[19:19:54] <joe9> alex4nder: oh, really.
[19:20:11] <joe9> t-nuts to bolt the taig to a table?
[19:20:17] <alex4nder> t-nuts go into t-slots
[19:20:27] <alex4nder> which are the taig table
[19:20:49] <alex4nder> the taig just has holes in its frame that you mount to something using your own hardware.
[19:21:07] <joe9> oh, ok. I can go to homedepot for that after the taig arrives.
[19:21:14] <alex4nder> yes.
[19:21:26] <alex4nder> I bolted mine to 4 inches of granite block
[19:21:33] <joe9> alex4nder: milling clamps vs t-nuts? are both necessary?
[19:22:01] <alex4nder> yes
[19:22:14] <alex4nder> t-nuts give you the locate to thread the fastenere for the clamp into.
[19:22:24] <alex4nder> you can build your own milling clamps though
[19:22:33] <alex4nder> and if you buy a kit, it will probably include t-slot nuts
[19:22:39] <alex4nder> just make sure they fit the taig.. most don't.
[19:23:15] <alex4nder> s/locate/location/
[19:23:46] <ssi> you're gonna need to back it with something to drill into
[19:23:47] <joe9> alex4nder: these are the smallest clamps they have: https://www.a2zcorp.us/store/ProductDetailNP.asp?Cguid={407EB8F5-3BDD-4BAC-BED8-9588BBF4125B}&ProductID=5966&Category=WorkHolding:MillingClamps
[19:24:19] <alex4nder> all of A2Z's clamps will work.
[19:24:48] <alex4nder> I use them all the time
[19:24:54] <ssi> those look pretty nice
[19:24:59] <joe9> for the "10-32 thread studd kit, their 10-32 screw kit, and their spherical nut sets", why not buy these at homedepot?
[19:25:30] <joe9> ssi, i am planning on putting some wood below the pcb and then clamp them both with the a2z clamps.
[19:25:31] <ssi> home depot has crap for SHCS
[19:25:40] <ssi> you can get good ones from mcmaster, but you'll have to buy them in 100qty boxes
[19:25:42] <joe9> what is "SHCS"?
[19:25:46] <ssi> socket head cap screws
[19:25:51] <alex4nder> yes, they suck.
[19:25:58] <alex4nder> you're better off getting the kit.
[19:26:05] <ssi> yeah probably so
[19:26:12] <ssi> $13 will buy you a box of 100 of a given length
[19:26:15] <joe9> should I just get this then: https://www.a2zcorp.us/store/ProductDetailNP.asp?Cguid={407EB8F5-3BDD-4BAC-BED8-9588BBF4125B}&ProductID=5836&Category=WorkHolding:MillingClamps
[19:26:17] <ssi> but for the range of screws, the kit is worthwhile
[19:26:28] <ssi> yep, get that
[19:26:30] <ssi> and some clamps
[19:26:31] <alex4nder> I have that kit.
[19:26:34] <ssi> and some 1/4" plywood
[19:26:35] <alex4nder> it's fine.
[19:26:37] <ssi> and you should be good to go
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[19:26:48] <joe9> alex4nder: which kit? I cannot find a kit at a2z.
[19:27:12] <alex4nder> joe9: that hardware kit
[19:27:37] <alex4nder> if you use A2Z's clamps, you won't need the spherical nuts.. but I still recommend you get them.
[19:28:17] <joe9> alex4nder: this hardware kit : https://www.a2zcorp.us/store/ProductDetailNP.asp?Cguid={407EB8F5-3BDD-4BAC-BED8-9588BBF4125B}&ProductID=5836&Category=WorkHolding:MillingClamps
[19:28:50] <joe9> alex4nder: what is the use of the "spherical nuts"?
[19:29:14] <alex4nder> they provide a face that your hardware can bolt flat against, even if the thing you're bolting to is at an angle.
[19:29:20] <joe9> alex4nder: sorry, I was not sure which "hardware kit" you were talking about.
[19:30:03] <mrsun> two questions, what was the way to alter the tolerance to toolpath, for example when you have to slow acceleration you cannot take sharp corners? :)0
[19:30:34] <mrsun> and, i just milled a piece, 10mm thick, with a straight cutter, just round round round, at the top its exactly on spec, at the bottom its .3mm thicker then at the top, wtf is up with that? :/
[19:30:40] <mrsun> can it be backlash that does that ?
[19:30:47] <joe9> https://www.a2zcorp.us/store/ProductDetailNP.asp?Cguid={407EB8F5-3BDD-4BAC-BED8-9588BBF4125B}&ProductID=6016&Category=WorkHolding:MillingClamps
[19:30:56] <joe9> alex4nder: for the spherical nuts ^^.
[19:31:08] <mrsun> its conical from all angles, so its not the spindle thats standing wrong
[19:31:17] <mrsun> then it would be undercut on one side and overcut on the other =)
[19:32:03] <alex4nder> joe9: yah.. you should stick with 10-32.. you don't "need" these, but you'll want them eventually
[19:34:24] <jdhnc> who had a mill in stock?
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[19:35:22] <Mjolinor> that is so cool :)
[19:36:32] <alex4nder> mrsun: learning what's causing your machine to mess up a cut is one of the great things about owning a mill. ;)
[19:36:41] <mrsun> G64 aparently is what i need =)
[19:37:11] <mrsun> alex4nder, yeah but listening to other that know better is a better and faster way ;P
[19:37:28] <alex4nder> yah, but they're not in front of your machine.
[19:38:07] <mrsun> alex4nder, no but i know i have leadscrew backlash cause the compensation is gone from when i have been playing with the spindle, so was thinking if it could be that that causes the problem =)
[19:38:43] <mrsun> hmm, higher acceleration or use G64 ... higher acceleration comes at the cost that the machine might stall :/
[19:40:05] <mrsun> hard to keep a good chipload if velocity isnt constant
[19:46:58] <jdhnc> what do taigs use for screws?
[19:49:18] <alex4nder> 20 TPI acme
[19:50:45] <jdhnc> brass nuts?
[19:51:06] <FinboySlick> Brave machine.
[19:51:37] <alex4nder> joe9: yup
[19:51:40] <alex4nder> er jdhnc yup
[19:53:07] <joe9> jdhnc: a2z corp
[19:53:29] <joe9> jdhnc: www.a2zcorp.us
[19:54:11] <alex4nder> jdhnc: actually I'm wrong.. they're not acme
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[19:56:12] <alex4nder> 1/2-20
[19:59:08] <ssi> I wanna go home and play with my forklift :'(
[20:00:02] <joe9> alex4nder: i hear that there are solutions to convert them to ball screws.
[20:00:06] <mazafaka> http://www.youtube.com/watch?v=hosXCc6wmIA
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[20:14:05] <joe9> i am about to buy this http://www.antekinc.com/details.php?p=185 along with the fuse module. Is it hard to connect the fuse module to this? just curious, if it is just as simple as plugging a connector in or something more involved.
[20:14:37] <ssi> looks like it's just a transformer
[20:14:48] <ssi> oh never mind, looking at the datasheet now
[20:15:09] <joe9> ssi, i was planning on using this as the psu for the g540 and the steppers.
[20:15:23] <ssi> I'd get the keling one if I were you
[20:15:37] <joe9> this is supposedly better.
[20:15:45] <ssi> it's twice as much :)
[20:16:06] <ssi> switcher will be fine for what you're doing
[20:16:36] <joe9> i agree. it is comparable to this KL- 4875 http://www.kelinginc.net/SwitchingPowerSupply.html http://www.kelinginc.net/KL-4875.pdf
[20:17:03] <ssi> KL-350-48 48V/7.3A
[20:17:07] <ssi> 110V/230V $49.95
[20:17:15] <joe9> heat will not be an issue with this, i am told. and it will last forever too, I am told.
[20:17:19] <ssi> that's what runs my lathe and my plasma table
[20:17:26] <ssi> plasma table has four 305oz/in motors
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[20:18:14] <joe9> yes, that was what I was planning on initially. but, the folks on this channel were unanimous about the ps-4n48 being a better choice, though a little more expensive..
[20:18:27] <ssi> 100% more expensive
[20:18:32] <ssi> but yeah it's probably a better power supply
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[20:20:54] <ssi> k I'm headed home
[20:20:55] <ssi> ttyl
[20:21:01] <joe9> ok, thanks.
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[20:28:10] <A2Sheds> whats the least expensive way to measure the thickness of a plastic filament while it moving slowly (few cm/min)? accurate to 1% thickness ~1.5-3mm
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[20:30:32] <archivist> optically but is it round
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[20:32:11] <A2Sheds> small arm + voice coil , like hard drive heads and coils
[20:33:18] <archivist> contact measuring may effect what you are measuring
[20:33:43] <A2Sheds> s smooth plastic filament
[20:33:56] <archivist> plastic is soft
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[20:34:01] <A2Sheds> contact would be fine
[20:34:18] <A2Sheds> low pressure on the arm
[20:34:21] <archivist> specially if you are still soft from an extruder
[20:34:32] <A2Sheds> nah, this for after it cooled
[20:34:58] <archivist> one sided contact?
[20:35:16] <A2Sheds> sure, over a roller
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[20:35:54] <A2Sheds> the filament would be between the roller and the wiper
[20:36:23] <A2Sheds> or you could have two arm and coils like a caliper
[20:37:06] <archivist> web cam, count the pixels
[20:37:18] <A2Sheds> pinch the filament between to bearings on arms with a little tension between them
[20:37:45] <A2Sheds> 1920 pixels over 3mm
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[20:39:24] <A2Sheds> even 1024 over 3mm is 3um res
[20:40:51] <archivist> cheap webcams are 640 pixel just needs a lens and a backlight to get a sensible image
[20:41:28] <A2Sheds> + a nice macrolense
[20:41:38] <Loetmichel> A2Sheds: not necessary
[20:41:46] <A2Sheds> two cameras 90 deg apart
[20:42:01] <A2Sheds> whats not necessary?
[20:42:21] <archivist> posh lens
[20:42:32] <Loetmichel> a cheap webcam with a normal 90° lens and a thread on the lens holder can be screwed out to an extend that THIS is possible:
[20:42:43] <A2Sheds> you guys must have found some nice inexpensive camers
[20:43:00] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=549
[20:43:30] <A2Sheds> how cheap is that cam?
[20:43:42] <Loetmichel> thats the laser writing on a AtMega8 in tqfp
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[20:43:52] <Loetmichel> iirc 9 euros
[20:43:56] <archivist> http://www.archivist.info/cnc/webcam one stolen from a kids microscope
[20:44:18] <A2Sheds> heh, talk about down and dirty cheap
[20:44:24] <archivist> ally block and added a cctv lens
[20:44:43] <A2Sheds> just calibrate them against something traceable and you're good
[20:45:06] <Loetmichel> here another setup with a sligtly more expenisive cam, 14 euro IIRC
[20:45:10] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12207&g2_imageViewsIndex=1
[20:45:13] <A2Sheds> what was the field of view
[20:45:17] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=12204
[20:45:32] <A2Sheds> these are all too wide
[20:45:43] <A2Sheds> were are looking at 1.5 -3mm filament
[20:46:03] <A2Sheds> these shots are 20-30mm
[20:46:15] <A2Sheds> so better lens and it works
[20:46:19] <archivist> so you extend the lens from the camera as far as needed
[20:46:47] <archivist> you may want to home brew a telecentric lens
[20:47:55] <archivist> I need to do that to get closer and use it for centring cutter to wheel
[20:48:00] <A2Sheds> now we are back to beating the sled in blueray or similar drive
[20:48:08] <A2Sheds> the cost of a sled
[20:48:14] <A2Sheds> thanks
[20:48:40] <archivist> telecentric lens can be a lot further from the object
[20:48:41] <Loetmichel> buy a cheam tele conversion for a webcam
[20:49:07] <Loetmichel> the cheap webcams have mostly the sam thread on the holder over the cmos-image senosor
[20:49:18] <Loetmichel> and refocus it to your needs
[20:49:33] <Loetmichel> -> bingo, instant microscope
[20:49:55] <A2Sheds> it's funny, we made the first real time frame rs170 grabbers back in 83 or so, they were a few thousand $$
[20:50:08] <A2Sheds> now it's $2 in a sensor
[20:50:29] <archivist> we made screen grabbers too
[20:50:46] <Loetmichel> if $2 is not overpayed
[20:51:19] <Loetmichel> i think more in the range of 50ct for a 1024*768 sensor with usb interface complete
[20:51:31] <Loetmichel> if one buys 10k pieces
[20:52:06] <Loetmichel> oh sorry, the sensor of the trust is 1280*1024
[20:52:09] <Loetmichel> ;-)
[20:52:46] <Loetmichel> @ 15Hz, and that only because the data is too much for usb2.0 otherwise
[20:53:01] <Loetmichel> the sensor can be read with 30fps fullsize
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[20:56:53] <djdelorie> A2Sheds: buy a cheap webcam, remove the sensor, put it right up against the filament and light it from a point source on the other side ? Doesn't need to focus, just measure.
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[21:09:59] <alex4nder> joe9: why would you spend the money/effort to convert a taig to ball screws though?
[21:10:20] <joe9> accuracy, I am told.
[21:10:54] <alex4nder> but it's a taig mill
[21:11:02] <alex4nder> you might as well build another mill with ball screws
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[21:12:57] <joe9> oh, ok. just read about it. not decided on doing it myself.
[21:13:03] <Loetmichel> oh, "taig" seems to be that what "optimum" is over here... am i right?
[21:13:09] <Loetmichel> (quality-wise)
[21:13:17] <alex4nder> Loetmichel: I don't know optimum.. how good are they?
[21:13:27] <alex4nder> because the taig is actually decent, and comes setup properly
[21:13:38] <alex4nder> unlike the chinese shit that you get from most places.
[21:13:48] <Loetmichel> that sounded different in your comment above ;-)
[21:14:11] <alex4nder> well, I just mean: don't try to make it something it isn't.
[21:14:17] <alex4nder> it's like dropping a V8 into a miata.
[21:14:30] <alex4nder> there's nothing inherently wrong with it.. but ..
[21:14:48] <Loetmichel> http://www.einfach-cnc.de/images/pb149016.jpg <- thats an Optimum BF20
[21:14:58] <Loetmichel> converted to CNC i think
[21:15:08] <Loetmichel> (just a random photo from the web)
[21:16:01] <alex4nder> Loetmichel: http://maps.google.com/maps?q=2419+E.+Nightingale+Lane,+Chandler+AZ&hl=en&sll=35.029996,-95.712891&sspn=70.382119,135.087891&hnear=2419+E+Nightingale+Ln,+Chandler,+Arizona+85286&t=h&z=17
[21:16:02] <Loetmichel> it has the rumor these are pretty decent but a bit weak and sometimes a bit "chinese"
[21:16:19] <alex4nder> Taig mills are made by a mom and pop shop in that barn.
[21:16:33] <alex4nder> the quality is high, the price is right, but they have limitations.
[21:16:52] <Loetmichel> (missing t in the t-slots, bent Table, broken V-slide-plates and so on)
[21:16:57] <alex4nder> yah
[21:17:01] <alex4nder> Taig doesn't have those types of issues.
[21:17:19] <alex4nder> they just don't have a ton of Z travel,. the tables are aluminum
[21:17:21] <alex4nder> etc.
[21:17:35] <Loetmichel> ah, ok
[21:18:03] <alex4nder> fit and finish in non critical areas isn't the best
[21:18:06] <Loetmichel> it sounded like it were more like the chinese minimills
[21:18:10] <alex4nder> ah
[21:18:57] <Loetmichel> nice shed btw
[21:19:09] <Loetmichel> looks like high production wolume ;-)
[21:19:32] <Loetmichel> volume
[21:19:34] <alex4nder> haha
[21:19:48] <alex4nder> they've been around forever.. I think there are actually a lot in use in the field.
[21:19:53] <alex4nder> especially their mini lathe
[21:37:55] <jdhnc> That looks like a nice conversion with the belt drive on the BF20
[21:38:32] <jdhnc> I was planning direct drive
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[21:53:00] <joe9> alex4nder: do you think this is a good deal? http://codepad.org/D7OOKrIJ
[21:54:41] * fragalot snipes
[21:55:09] <DJ9DJ> gn8
[21:58:26] <JT-Shop> what kind of ways does taig use?
[21:58:30] <alex4nder> joe9: it's up to you, I'd want the ER spindle.
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[21:59:19] <alex4nder> joe9: steel box on Z
[21:59:23] <alex4nder> er JT-Shop
[21:59:44] <alex4nder> and Y is two steel bars
[22:00:02] <JT-Shop> like Thompson shafts?
[22:00:28] <alex4nder> the're "square"
[22:00:36] <joe9> alex4nder: i can order the newer spindle from taig? would that be an easy swap?
[22:00:38] <alex4nder> JT-Shop: http://www.taigtools.com/Images/millparts9.GIF
[22:00:40] <joe9> or, bad idea?
[22:00:42] <JT-Shop> like box ways?
[22:00:54] <JT-Shop> ah ok
[22:03:12] <alex4nder> joe9: I think you're going to have your hands full just learning how to run your mill
[22:03:30] <joe9> alex4nder: good to know that. thanks.
[22:03:42] <alex4nder> the spindle conversion requires pressing, pulleys, and whatever.
[22:03:56] <alex4nder> you could buy the entire ER unit as a complete piece and bolt it up, but it's going to cost more than $100
[22:04:08] <joe9> sorry for bothering you so much about this.. way above what I am capable of.
[22:05:35] <joe9> alex4nder: thanks for being patient with my questions. you have been a great help.
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[22:07:24] <alex4nder> no problem, I hope the mill works out great for you
[22:07:48] <alex4nder> just be ready for heartache and pain
[22:07:59] <alex4nder> when I did my CNC conversion, the first thing I did was kill the bearings on the X axis.
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[22:17:37] <djdelorie> inertia/friction question: does connecting your motor to the CNC machine make it easier to stop (more friction) or harder (more inertia) ?
[22:19:13] <alex4nder> on my machine, easier.
[22:20:18] * djdelorie is trying to let the controller self-calibrate the motor control variables...
[22:22:54] <JT-Shop> alex4nder: do you have a taig mini mill?
[22:23:18] <alex4nder> JT-Shop: I do.
[22:23:36] <JT-Shop> what do you think of the overall design?
[22:23:50] <alex4nder> overall, good.
[22:23:59] <alex4nder> http://www.andern.org/alexander/taig.m4v <- that's a walkthrough
[22:25:09] * JT-Shop waits for it to download
[22:25:27] <alex4nder> I'm running at something like 30 IPM on the steppers I've got.
[22:25:38] <alex4nder> X and Y can run higher, but I don't bother..
[22:28:43] <JT-Shop> did you add the aluminum top to the table?
[22:29:42] <alex4nder> yup
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[22:59:19] <joe9> alex4nder: quick question, the Gecko C540 DB25 connection, it is a female connection, correct?
[22:59:44] <alex4nder> yah, just like a printer.
[23:00:24] <joe9> i have a male to female cable. need a female-to-male db25 adapter. ok, will check if digikey has some. Thanks.
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[23:56:48] <pcw> joe9: M-M IEEE 1284 cables are standard (sometimes called switchbox cables)