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[01:52:58] <seb_kuzminsky> that leadwell is huge
[01:53:03] <seb_kuzminsky> i just went and looked at it
[01:53:05] <seb_kuzminsky> it's a monster
[01:53:26] <seb_kuzminsky> looks in good shape, but it's hard to tell since the controller is dead and it won't come out of estop
[02:13:22] <cradek> bigger than 8' cube?
[02:19:05] <seb_kuzminsky> no, it's very nearly an 8' cube
[02:19:27] <seb_kuzminsky> all the access is on the left and right sides and the front, none on the rear, which is nice
[02:20:27] <seb_kuzminsky> oh, that 8' cube doesnt include the articulated arm with the control panel on it
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[02:21:05] <seb_kuzminsky> the leadwell folks are answering email, i hope to have full manuals soonish
[02:21:08] <cradek> sounds exactly the size of jr, which is super tiny for a vmc
[02:21:45] <cradek> is it linear rail or dovetail?
[02:22:12] <seb_kuzminsky> linear rails (i think)
[02:22:17] <seb_kuzminsky> "box ways"
[02:22:55] <cradek> ah, box ways are a third option
[02:23:07] <seb_kuzminsky> the control panel box is 1/2 taken up by a cathode ray tube
[02:23:09] <cradek> kind of like dovetails but squared off
[02:23:20] <cradek> heh yeah mine was that way too
[02:23:28] <seb_kuzminsky> yeah, looks like a pair of railroad rails
[02:23:52] <cradek> so it's still sliding, no rolling bits in there
[02:24:09] <seb_kuzminsky> ah, i see
[02:24:22] <seb_kuzminsky> i popped the covers off the X screw, it looks in fine shape
[02:24:32] <seb_kuzminsky> but it's hard to tell without actually measuring the backlash
[02:25:05] <seb_kuzminsky> it's currently running on 3-phase power... the seller has a big rpc running off domestic 240 single phase
[02:25:07] <cradek> if you can turn the screw by hand you can tell somewhat by how it feels
[02:25:28] <seb_kuzminsky> hm, i should have tried that
[02:25:56] <cradek> is it full of 3 phase transformers, or just the spindle motor?
[02:26:02] <seb_kuzminsky> it's at the end of about 3 miles of steep, switch-backy rutted dirt road
[02:26:09] <seb_kuzminsky> it's going to be a rigging nightmare to get it out
[02:26:24] <cradek> yuck
[02:26:35] <seb_kuzminsky> i couldn't get to the electronics cabinets, they were completely covered in misc shop detritus
[02:26:38] <cradek> haha "going to be". you're decided already, aren't you
[02:26:50] <seb_kuzminsky> NO! I'M TOTALLY NOT BUYING IT!!!
[02:26:53] <cradek> haha
[02:26:56] <seb_kuzminsky> at least i hope not
[02:27:09] <seb_kuzminsky> cuz fuck, where would i put it???
[02:27:37] <seb_kuzminsky> hoping to get power-supply details from the leadwell manuals next week
[02:27:51] <cradek> you need a hackerspace
[02:30:08] <cradek> I was truly shocked that jr (8' cube) is not much bigger than the bp (6x6x8' cube) although it sure looks bigger
[02:31:09] <seb_kuzminsky> interesting
[02:31:24] <seb_kuzminsky> (our hackspace is way worse set up to install a machine like that than my garage is)
[02:31:31] <cradek> darn
[02:36:30] <seb_kuzminsky> the feature that filled me with silly nerd lust was the giant drawers underneath, where the coolant drains through and leaves the chips
[02:36:53] <seb_kuzminsky> so you pull the drawers out (they're on wheels) and use a snow shovel (i guess) to move the chips to the trash can
[02:37:00] <seb_kuzminsky> that and the atc
[02:37:01] * seb_kuzminsky swoons
[02:37:28] <cradek> yep so nice
[02:37:47] <cradek> when they design coolant/chip collection into the machine, it can actually work well, unlike anything you'd bolt on
[02:38:16] <cradek> jr's is absolutely great
[02:38:53] <cradek> the coolant actually stays in and recirculates
[02:38:58] <seb_kuzminsky> do you run jr with coolant often? i dont recall ever seeing it on
[02:39:17] <cradek> yes always, if doing anything real in aluminum
[02:39:30] <seb_kuzminsky> makes sense
[02:39:31] <cradek> it's coolanted for many hours since I've had it
[02:40:22] * seb_kuzminsky reaches for a dictionary
[02:40:31] <cradek> don't bother...
[02:40:42] <seb_kuzminsky> a friend of a friend has a shop with some free space, and might have use for a VMC
[02:41:11] <seb_kuzminsky> so i might be able to put it there and convert it at a reasonable pace, and still have access to the bp, and then sell the bp and move the leadwell into my garage
[02:42:14] <cradek> check that it'll go under an 8' garage door with the head down - it probably will
[02:42:34] <seb_kuzminsky> i think i'll have to take the Z motor off
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[02:42:49] <seb_kuzminsky> it sticks up higher than the head, and doesn't move with the head
[02:43:02] <cradek> darn
[02:43:11] <cradek> maybe no big deal if it's just the motor
[02:43:22] <cradek> is it coupled to the ballscrew directly?
[02:43:27] <seb_kuzminsky> the current owner claims to have done that when moving it to an earlier home, and said it wasn't too bad
[02:43:32] <seb_kuzminsky> i don't know... :-/
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[02:48:52] <skunkworks__> hmm.. some day I may have coolant control
[02:51:00] <seb_kuzminsky> i used up my first gallon of wd40 the other week
[02:51:04] <seb_kuzminsky> on to my second
[02:51:14] <seb_kuzminsky> i only set off the smoke alarm in the garage once with it
[02:51:40] <skunkworks__> heh
[02:52:14] <skunkworks__> I have used about 4 gallons so far since the K&T has been running.. and maybe about 20 gallons of water based..
[02:52:33] <seb_kuzminsky> wow!
[02:52:44] <skunkworks__> water evaperates...
[02:53:04] <seb_kuzminsky> so does kerosene ;-)
[02:54:29] <skunkworks__> 20 gallon mixed..... (not the concentrate..)
[02:54:48] <seb_kuzminsky> do you apply it with a pump? or a hand spray bottle?
[02:55:45] <skunkworks__> pump
[02:55:58] <skunkworks__> some what recycled..
[02:56:03] <skunkworks__> not perfect by any means
[02:56:56] <skunkworks__> http://www.youtube.com/watch?v=jAcFeVlftrw&list=UUHk52YjGT8HryRYmJKSl-lg&index=3&feature=plcp
[02:58:06] <seb_kuzminsky> very cool skunkworks
[02:58:31] <skunkworks__> http://electronicsam.com/images/KandT/testing/DSC_1826.JPG
[02:59:09] <seb_kuzminsky> i like how the spindle stays synchronized during the xy moves and there's no delay before the peck
[03:00:24] <seb_kuzminsky> that pic looks somewhat terrifying
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[03:03:51] <skunkworks__> worked pretty well
[03:04:19] <skunkworks__> longer exposure
http://electronicsam.com/images/KandT/testing/DSC_1830.JPG
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[06:03:48] <KimK> seb_kuzminsky: Still around?
[06:04:27] <KimK> Congrats on your find!
[06:06:57] <KimK> If you do have to take the Z motor off, find the shaft key first thing, whether it's still in the coupler, or still on the shaft, because it will get lost right away. Don't ask me how I know this.
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[13:06:53] <alex_joni> cradek: I assume that patch is against vanilla 3.2.0?
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[13:36:50] <skunkworks> alex_joni: did you have any luck this weekend?
[13:41:06] <alex_joni> skunkworks: nope, the upgrade left my linux install unbootable
[13:41:15] <alex_joni> and I only managed to install a fresh 12.04 today
[13:42:51] <skunkworks> yeck
[13:47:28] <alex_joni> and right now my win doesn't want to boot anymore.. ain't this great
[13:47:40] <cradek> so, some good and some bad came of it
[13:49:48] <alex_joni> it would be good, if I wouldn't need the laptop tomorrow on a business trip
[13:55:02] <skunkworks> On my laptop that came with win7 - I have not booted into it for quite a few months now. (I used to be a windows only guy)
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[19:17:24] <jv4779> quick question on period and fperiod, these seem to be the ideal interval between thread updates and not the actual amount with latancy, is there a build in method of getting the actual measuered period ?
[19:18:05] <cradek> you mean the time elapsed since the last thread execution?
[19:18:12] <jv4779> yes
[19:18:37] <jv4779> or since the last exectuion of my function
[19:19:20] <cradek> no, but you could try rtapi_get_time() or rtapi_get_clocks() and do the bookkeeping and/or conversions yourself
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[19:27:15] <andypugh> I thought that fperiod / period were meant to be the actual time?
[19:27:27] <andypugh> Though I have never actually checked.
[19:28:00] <andypugh> jv4779: I guess you have been logging the number and not seeign any change?
[19:29:06] <jv4779> I pushed period out as a param and then looked in hal scope
[19:29:43] <jv4779> it was just to sanity check my calculations, but showned me that latency could be pushing my period out from the ideal
[19:30:16] <jv4779> since I believe that latancy usually lenghtens the period and not make it shorter
[19:31:23] <andypugh> And it came out as exactly the same number every time?
[19:31:35] <jv4779> like 49999
[19:32:28] <jv4779> I just hate knowing that there could be some source of drift error in my calculations
[19:32:49] <jv4779> even if it doens't actaully matter in practive
[19:32:51] <jv4779> practice
[19:33:59] <andypugh> siggen assumes that period is correct. Interesting.
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[19:36:20] <andypugh> None of the normal hal_xomponents use rtapi_get_clocks or rtapi_get_time. It is used by the timedelta component. (and, bizarrely, by pcl720 and sserial, both of which I wrote, and I have no idea why I used it)
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