#linuxcnc | Logs for 2013-08-12

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[01:20:20] <NickParker> Today I discovered my mill is ungrounded. I took my sister to play with it barefoot, which was the first time I've done that because metal shavings. I touched one corner and felt something a lot like mains power. turns out it has a ground fault somewhere, which would explain my GFCI problems when i ground the 3 phase converter its spindle runs on.
[01:20:40] <jdh> cool.
[01:21:51] <jdh> I found a nifty kenametal indexable boring bar that came with my lathe and a bunch of carbide inserts. Turns out it is left hand though.
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[01:27:19] <toastydeath> most boring bars for cnc lathes are
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[01:44:31] <jdh> toastydeath: really? why is that? (it came with a manual mill)
[01:44:43] <toastydeath> on a cnc lathe everything's flipped upside down
[01:44:53] <toastydeath> so the tool is mounted upside down for right-handed tooling
[01:45:03] <toastydeath> you can't see a right handed boring bar IN the bore this way
[01:45:20] <toastydeath> so most of the bars are left handed so that you can see them
[01:45:55] <jdh> and run the spindle 'backwards'?
[01:47:12] <toastydeath> yup
[01:48:12] <jdh> just so you can see it?
[01:48:42] <toastydeath> sure
[01:48:54] <toastydeath> on a cnc lathe the spindle direction is as simple as m3/m4
[01:49:01] <toastydeath> nobody cares too much which way it's going
[01:49:07] <jdh> on a real one perhaps
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[02:52:49] <Valen> what do you guys use to generate gcode for lathe work?
[02:54:03] <Tom_itx> jt uses those halpcv bits that come with 2.5
[02:54:13] <Tom_itx> i made a post for my cad cam
[02:54:28] <Tom_itx> lathes are pretty easy to code for
[02:54:41] <Jymmm> http://www.cbsnews.com/video/watch/?id=50152765n
[02:55:05] <Tom_itx> but i don't have a cnc lathe so the cam doesn't get used alot
[02:55:29] <Tom_itx> i fixed one up for andy a while back
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[02:58:21] <Valen> I could probably make one, but I'd really rather not
[02:58:51] <jdh> make what?
[03:01:22] <Valen> cam for lathe
[03:01:52] <Tom_itx> lathe is simple enough you really don't need it
[03:02:11] <Valen> so you write compound curve g code by hand?
[03:02:27] <Tom_itx> no
[03:02:36] <Tom_itx> i have cad cam for that
[03:02:53] <Valen> right, and what do you use for lathe?
[03:02:53] <Tom_itx> but alot of it is simple cuts
[03:02:59] <Tom_itx> smartcam
[03:03:12] <Tom_itx> but i've had it for years
[03:04:08] <Valen> what sort of $ is it?
[03:04:20] <Tom_itx> back then i gave around 6k
[03:04:27] <Valen> spendy
[03:04:37] <Valen> cheaper than mastercam at least lol
[03:04:45] <Tom_itx> for freeform 3d mill and basic lathe
[03:04:56] <Tom_itx> it was better than mastercam at the time
[03:04:59] <Tom_itx> i looked at both
[03:05:04] <Tom_itx> as well as surfcam
[03:05:26] <Valen> mastercam seems to want you to basically do the drawing in it
[03:05:44] <Tom_itx> well so does smartcam but it will import models as well
[03:06:13] <Tom_itx> dxf or iges mostly
[03:18:30] <Valen> we use rhinocam which is built into our cad package which i normally nice
[03:18:56] <Valen> heh I wonder about faking it, give it a 1mm wide bit of stock and a 5mm tool
[03:19:01] <Tom_itx> yeah i've heard of rhino
[03:19:13] <Valen> tell it to do all its stuff on Z axis milling ;->
[03:19:16] <Tom_itx> you'd have to change your axis around probably
[03:19:49] <Tom_itx> i had to import a model from andy using my mill package and my axis were backwards when i went to use the model in my lathe package
[03:20:07] <Tom_itx> wasn't ideal but it did work
[03:20:46] <Tom_itx> everyone said you can't use a solid model for a 2d part :D
[03:21:09] <Tom_itx> i just peeled the profile off it and used ti
[03:21:11] <Tom_itx> it*
[03:23:03] <Tom_itx> and i was having trouble importing the 2d model for some reason
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[03:31:23] <cmorley> Tom_itx: what version of smartcam do you have?
[03:33:22] <cmorley> I have version 7.55 run inside DOS
[03:45:23] <Tom_itx> i had a dos version as well but this is windows
[03:45:29] <Tom_itx> i forget the ver but it's older
[03:45:36] <Tom_itx> both still work
[03:46:15] <Tom_itx> the dos ver was 2.5d, windows is freeform with the basic lathe
[03:47:13] <Tom_itx> i'd have to boot the other pcs to find out
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[03:59:19] <cmorley> hmm I'd like to collect more smartcam programs - I's like to find advanced turning. It appears soon after 7.5 they went to windows and then the dongle i have might not work.
[04:00:41] <cmorley> darn program was $10,000 bought new in 92....
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[04:01:37] <cmorley> milling program would be interesting too...
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[04:02:52] <cmorley> So old I can't find copies on the net :)
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[06:14:32] <aksr> hi guys, one off-topic question, is there some general lathe-related IRC channel?
[06:23:40] <toastydeath> not really
[06:23:58] <toastydeath> linuxcnc is pretty much the only active machining related chat room, irc or otherwise
[06:24:09] <toastydeath> there are a few other smaller ones, but nowhere near as active
[06:24:37] <toastydeath> there are enough machinists (professonal and amateur) in here to answer most general machining questions
[06:24:43] <aksr> toastydeath: well, i have manual lathe, it isn't cnc
[06:24:50] <toastydeath> yep
[06:25:02] <toastydeath> a lot of the people in here have or use manual machines on a regular basis
[06:25:10] <aksr> nice toastydeath
[06:25:30] <aksr> i have a problem with power feed
[06:26:19] <toastydeath> is this a shaft driven power feed or a servo power feed
[06:26:32] <toastydeath> (i.e. does the feed take power off a shaft coming from the headstock)
[06:26:39] <aksr> it clicks, as if it's stucked
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[06:27:44] <toastydeath> when you try to engage it?
[06:27:48] <aksr> toastydeath: i'll find it, just a sec, it's an old lathe (but fairly preserved)
[06:28:30] <aksr> toastydeath: http://www.wotol.com/1-stankoimport-manual-center-lathe-max-2400-u-min-/second-hand-machinery/prod_id/254846
[06:29:00] <toastydeath> unfortunately the only way to really troubleshoot those kinds of problems is to pop the front of the apron off
[06:29:04] <toastydeath> and look at the drive gear
[06:29:20] <toastydeath> it's likely a sheared off drive lug somewh ere
[06:29:57] <aksr> toastydeath: let me tell you the symptoms:
[06:30:36] <aksr> if i engage leadscrew, it works-in a both directions
[06:30:54] <aksr> if i engage power feed, sometimes it works, sometimes is not
[06:31:26] <aksr> but if the leadscrew is engaged, power feed should turn easily by hand, right?
[06:31:41] <toastydeath> "should turn easily by hand?"
[06:32:15] <aksr> toastydeath: i mean, it should be possible to turn it easily?
[06:32:25] <aksr> i read that somewhere
[06:32:35] <toastydeath> uh, i see no particular reason why that would be true
[06:32:55] <aksr> well, it's disengaged
[06:33:08] <toastydeath> but the bottom line is that a lathe is not like a car
[06:33:13] <toastydeath> you cannot diagnose it from external symptoms
[06:33:19] <aksr> sure
[06:33:23] <toastydeath> there is too much inside the headstock and apron to tell
[06:33:39] <toastydeath> you'll have to carefully disassemble the apron to see what's sheared off
[06:34:38] <aksr> toastydeath: it doesn't seem that something is sheared off, not as much as if something is stuck
[06:35:05] <toastydeath> you would be surprised - nearly every mechanical problem inside a power feed is the result of something breaking off.
[06:35:13] <toastydeath> no matter how bizarre or unrelated the symptoms are.
[06:35:22] <toastydeath> either way, you have to open it up. guessing helps nobody.
[06:35:44] <aksr> power feed has some fail safe protection
[06:35:53] <aksr> and it `clicks'
[06:37:29] <aksr> (i'm trying to find a picture of it)
[06:37:45] <toastydeath> i'm confused - you have to open it up
[06:37:57] <toastydeath> discussing it is useless, because it's all guessing.
[06:38:06] <aksr> i know, i was afraid of that :)
[06:38:44] <aksr> toastydeath: is it hard?
[06:38:57] <toastydeath> nobody knows until it's open
[06:39:00] <toastydeath> every lathe is different
[06:39:12] <toastydeath> the powerfeeds on some are ridiculous - like on a american pacemaker
[06:39:15] <toastydeath> others are dead simple
[06:39:47] <toastydeath> take lots of pictures, use ice cube trays and notecards to document where bolts came from
[06:40:05] <toastydeath> and have a notepad that describes everything you do
[06:40:17] <toastydeath> if you get frustrated, walk away
[06:40:23] <toastydeath> that's really all you can do.
[06:40:47] <aksr> the thing that bothers me the most is, i just got it
[06:40:59] <aksr> i didn't do anything (i think)
[06:41:33] <aksr> toastydeath: ok, thank you, i'll try ;)
[06:41:40] <toastydeath> goodf luck
[06:41:43] <toastydeath> *good
[06:41:45] <aksr> :)
[06:42:10] <aksr> i'll report my findings :)
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[08:50:14] <Tom_itx> cmorley, my dos ver was 7.0
[08:50:54] <Tom_itx> freeform is 4.61
[08:51:01] <Tom_itx> windows
[08:51:27] <Tom_itx> under new management (Camax Mfg) not Point Control
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[09:13:19] <RyanS> I always return to this website for a laugh http://www.micro-machine-shop.com/Micro-Machine-Shop_Photo_Gallery.htm I think he spends most of his time collecting and categorising tools
[09:15:31] <archivist> one of those horrible round column mills...avoid
[09:17:55] <archivist> photography good, all on one page bad
[09:20:33] <RyanS> The irony of having a round column mill and more cutting tools than an industrial workshop
[09:21:19] <archivist> I had one before I knew better, managed to get rid
[09:27:02] <RyanS> I still debating that whether I really want to convert a manual to cnc it just seems everyone thinks it's easy until they need higher rpm, then they need to upgrade the bearings, is it going to really save that much money tha turnkey
[09:27:59] <archivist> web fail http://www.micro-machine-shop.com/mensuration_instruments.htm is 22 MB and has 230 resources
[09:31:08] <RyanS> Honestly could not be bothered taking pictures of my stuff and posting to the interwebs
[09:31:23] <RyanS> I would rather build stuff with it
[09:32:04] <archivist> good pictures can explain a lot
[09:33:33] <RyanS> Yes pictures of the actual process of building things are good
[09:34:13] <archivist> he has the best pictures of just about any site I have seen, just a web fail in page size and repeating the same pics
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[09:40:17] <RyanS> Isn't timber a really bad material for storing cutting tools. Rust
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[09:41:19] <DJ9DJ> moin
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[10:13:10] <jesseg> Howdy Folks... :P
[10:30:55] <jthornton> hi
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[11:01:46] <archivist> toy 271253005039
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[11:25:10] <jthornton> what is the common pitch for M3 taps?
[11:25:29] <jthornton> 0.6 or 0.5?
[11:27:12] <archivist> coarse or fine series :)
[11:27:32] <jthornton> same as M6x1 series
[11:27:47] <jthornton> M8x1.25
[11:28:08] <jthornton> M5 x 0.7
[11:28:33] <jthornton> opps M4 x 0.7
[11:28:56] <archivist> .5 mm in the first table I see here
[11:29:14] <jthornton> is M3 a common screw size over there?
[11:29:19] <archivist> 3.5 is .6
[11:29:37] <archivist> reasonably common yes
[11:29:57] <jthornton> ok thanks
[11:30:47] <archivist> this table has 2 2.2 2.5 3 3.5 4 4.5 5 6 and on
[11:31:07] <archivist> ISO metric coarse
[11:31:25] <archivist> circa 1980
[11:33:16] <jthornton> http://littlemachineshop.com/Reference/TapDrillSizes.pdf
[11:45:28] <Jymmm> What does it mean by 75% and 50% thread?
[11:46:17] <Jymmm> jthornton: ^^^^^
[11:46:53] <archivist> amount of engagement
[11:47:28] <jthornton> for softer materials you use 75% thread and for harder materials you use 50% thread
[11:48:07] <Jymmm> archivist: over the length of the threads, or the "gap" between the "nut" and the "bolt" threads?
[11:48:48] <jthornton> archivist, http://linuxcnc.org/index.php/english/forum/20-g-code/26853-free-program-to-make-gears--sprockets#37584
[11:50:03] <Jymmm> Is there such a thing as 100% thread?
[11:50:22] <Jymmm> or just 99% ?
[11:50:40] <archivist> 100% may bind
[11:51:06] <jthornton> 100% works fine on plastics
[11:51:17] <archivist> 99% may seize if some dust gets in the thread
[11:51:20] <Jymmm> archivist: like putting a 0.500" round stock in a a 0.500" hole?
[11:51:51] * Jymmm found that does not work the hard way once =)
[11:52:48] <archivist> jthornton, ew windaz
[11:52:56] <jthornton> you can put 0.501 stock in a 0.500 hole, it just takes more force
[11:53:06] <jthornton> ;yea I noticed that :(
[11:53:07] <archivist> press fit
[11:54:09] <Jymmm> you could use wine to run it *shrug*
[11:54:26] <archivist> jthornton, who needs a download :) http://www.archivist.info/gear/
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[11:55:02] <archivist> I dont use that any more anyway
[11:55:50] <jthornton> you do it by hand now?
[11:56:12] <archivist> its built in to the gcode
[11:56:37] <archivist> o codes and subroutines
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[12:00:29] <jthornton> nice
[12:02:31] <archivist> I tend to be cutting some odd form so am just adjusting the depth and cut length and tooth count variables after some touch off
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[12:11:49] <Tom_itx> force or heat
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[13:48:48] <syyl--> [1351:52] * Jymmm found that does not work the hard way once =) <-- hammer to small? ;')
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[14:29:46] <PetefromTn> mornin' everyone..
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[14:54:06] <jdh> how's things over there?
[14:54:43] <jdh> anyone ever seen/used/heard-of an Acer 13x40 lathe?
[14:55:45] <PetefromTn> Never heard of an acer but probably is an asian 13x40 similar to my 12x36..
[14:56:13] <jdh> 3hp? single phase?
[14:56:45] <PetefromTn> http://www.youtube.com/watch?v=T-hCGaXph-o
[14:56:47] <Tecan> (T-hCGaXph-o) "Acer 13" x 40" Gap Bed Geared Head Engine Lathe - #1340G Reliable Tools" by "HumanAfterAll101" is "Tech" - Length: 0:00:56
[14:57:07] <PetefromTn> probably never had one. Mine is 2hp single phase gear head
[14:57:08] <jdh> I saw that one last night
[14:57:35] <jdh> http://wilmington.craigslist.org/tls/3971112833.html
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[14:58:13] <jdh> I assume his 6.5" is a marketing 13" and I didn't see any 13x36, just 13x40
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[14:58:37] <PetefromTn> Its probably a 12x36 with a gap bed like mine.
[14:58:49] <jdh> the "great for light duty machining, deburring, polishing" seems odd.
[14:59:05] <PetefromTn> I have owned this machine for almost a decade and it STILL works great.
[14:59:20] <PetefromTn> He might be used to some heavy duty lathes....
[14:59:35] <jdh> do you ever remove the gap piece?
[14:59:38] <PetefromTn> In the world of REAL lathes this is a puny machine LOL but it is still HUGE compared to a mini lathe
[14:59:46] <PetefromTn> yup
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[15:00:38] <jdh> HF seems to sell a 12x36 and a 12x37
[15:00:45] <PetefromTn> says it is three phase..
[15:01:04] <PetefromTn> yeah the 12x37 is a belt drive I believe.
[15:01:32] <jdh> they both say gear head
[15:01:49] <PetefromTn> Hmm.. Maybe it is grizzly I am thinking of...
[15:02:27] <PetefromTn> http://www.grizzly.com/outlet/12-x-37-Belt-Drive-Gap-Bed-Lathe/G9249
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[15:08:46] <PetefromTn> Well gotta get back to cabinet work now..Talk later.
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[15:44:24] <CaptHindsight> jdh: http://www.aceronline.net/
[15:45:36] <CaptHindsight> http://www.aceronline.net/acergroup/el-dyn1340g.htm might be an older version of this
[15:47:08] <jdh> That might be ok for $1000
[15:47:17] <CaptHindsight> http://www.aceronline.net/acergroup/el-el1440v.htm
[15:47:30] <CaptHindsight> lots of dealers
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[15:49:56] <CaptHindsight> jdh: http://www.practicalmachinist.com/vb/general/anyone-have-experiance-acer-engine-lathes-248798/
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[15:55:10] <jdh> wonder if I could disguise it for a while so my wife doesn't notice.
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[16:02:17] * JT-Shop notes 13.75 miles is too far at 80F with 85% humidity
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[16:03:23] <jdh> wow, cool and low humidity. Sounds nice!
[16:05:15] <jdh> looks like it's only 75% here, but it is 90F. 'feels like 103'
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[16:29:54] <andypugh> 24C (75F) and 45% here. That classes as "pleasant" to me.
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[16:32:51] <jdh> I got a 24000 BTU air conditioner for my garage 'shop' It does wonders for summer.
[16:33:47] <kwallace2> andypugh: What is your annual rain fall there?
[16:34:13] <andypugh> Enough?
[16:35:03] <andypugh> Wikipedia says 23 inches a year.
[16:36:10] <Loetmichel> andypugh: that IS pleasant!
[16:36:28] <archivist> sufficient to too effin much
[16:36:50] <Loetmichel> 20°c would be even more pleasant for a workshop, but better than 38°c++
[16:37:13] <kwallace2> Yikes, that seems pretty dry. I get 30 inches and it seems like I'm in a dessert. Gardening is a real challenge.
[16:37:33] <andypugh> I am happy with 24C at the moment as I have a batch of wine fermenting in the cormer.
[16:39:56] <Loetmichel> andypugh: over here we had 636mm rain on the square meter last year
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[16:40:40] <andypugh> Essex is pretty dry.
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[16:43:12] <Loetmichel> essex: isnt taht nearly in the highlands?
[16:43:21] <Loetmichel> ir is my geography SO bad?
[16:43:58] <archivist> that is bad geography 1/10
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[16:45:00] <Loetmichel> hmm
[16:45:04] <jdh> we get about 5ft here.
[16:47:57] <jthornton> http://www.mapmyride.com/workout/353389897
[16:49:15] <jdh> in that context, yes, it is to much!
[16:50:02] <jthornton> I hit the wall sometime after 12 miles and my speed dropped way off
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[16:52:26] <IchGuckLive> hi all B)
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[17:00:54] <jdh> I can't find any place local to buy an XL timing belt.
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[17:04:16] <IchGuckLive> go to the next car repair they will tell you the suply schop
[17:05:06] <kwallace2> jthornton: We have a nice 23 mile loop here: http://wallacecompany.com/tmp/Screenshot-2.png , but it has been a couple of years since I've had the bike out. I have been running lately but my knees are starting to give out. :(
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[17:05:41] <IchGuckLive> thunder here i neeed to close down by till tommorow !
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[17:07:01] <kwallace2> I got my last XL belts from McMaster-Carr http://www.mcmaster.com/#xl-series-timing-belts/=o18nwe
[17:08:09] <kwallace2> Oops. I missed "local".
[17:08:14] <jdh> yeah, I ordered them from there after calling every place local that might have one.
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[17:39:40] <Jymmm> http://www.youtube.com/watch?v=ItEA3Tno3bs
[17:39:41] <Tecan> (ItEA3Tno3bs) "'This goat will haunt your dreams'" by "CNN" is "Shows" - Length: 0:02:35
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[18:04:02] <JT-Shop> kwallace2: we will have 26 miles when itt is done
[18:05:21] <JT-Shop> http://a123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai.com/11558/www/nepa/71062_FSPLT2_023858.pdf
[18:08:33] -!- Vq [Vq!~vq@81-225-108-241-no123.tbcn.telia.com] has joined #linuxcnc
[18:10:43] <JT-Shop> I'm 59 and 20 years past my first heart attack so run, jump, etc. no longer exists in my vocabulary
[18:11:20] <skunkworks> you had a heart attack at 39?
[18:11:21] <archivist> a youngsta !
[18:12:12] <TekniQue> happened to my grandfather as well
[18:12:24] <TekniQue> first heart attack at 40
[18:12:47] * skunkworks just turned 40...
[18:15:10] <archivist> we used have an advert for PHYLLOSAN tag line was fortifies the over 40s
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[18:16:58] <JT-Shop> yea, they had a hard time with my age at the hospital but finally let me in lol
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[18:40:15] <cmorley> Tom_itx: did you have any options added to the dos version such as cam or advanced turning?. If yes I would be interested in copies of the (I assume) floppy discs. I could send you 7.55 if your interested but I bet you don't use it anymore.
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[18:59:27] <JT-Shop> wee the tapping program works
[19:00:05] <jdh> how deep do you drill with a center drill?
[19:00:24] <NickParker> where do i get prices on mesa cards? don't see any on their website.
[19:00:42] <JT-Shop> it's on their web site
[19:01:03] <JT-Shop> jdh: depends on the diamater of the drilled hole
[19:01:13] <NickParker> oh duh
[19:01:14] <NickParker> price list lol
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[19:02:23] <jdh> yeah, that's what I figured. I was hoping there was some always-good depth.
[19:02:45] <NickParker> Is there any advantage between 5i25/6i25? My PC can take either one. Also, since i'm using a mesa card i don't need to worry about onboard graphics killing performance correct?
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[19:02:59] <jdh> how about... how far through do you drill for a through-hole with a regular bit
[19:03:25] <JT-Shop> depends on the drill diameter and the point angle
[19:03:44] <JT-Shop> can you open an excel spreadsheet?
[19:03:48] <jdh> sure
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[19:04:53] <andypugh> NickParker: In theory the 6i25 might be potentially faster, but in practive it isn't. Unless it is the other way round.
[19:05:33] <NickParker> but they're the same price, so might as well go for the 6?
[19:05:36] <andypugh> Perhaps the best plan is to think about what else you might want to install. If you go for the 6i25 then you can also add one of the other style PCI cards like a 5i20 :-)
[19:06:04] <NickParker> i have 2 full size PCI, a minimum size PCIe and a full size PCIe
[19:06:33] <NickParker> I got this thing for $75 this morning, seems fantastic for linuxcnc.
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[19:07:30] <JT-Shop> jdh: on the way
[19:07:31] <gambakufu> if I get a joint following error on my stepper based machine when attempting to increase velocity, what most likely is the cause - the stepper drivers can't keep up, or the serial pulse generator (the PC) can't keep up?
[19:08:15] <andypugh> NickParker: Have you run a latency test?
[19:08:43] <andypugh> gambakufu: It is _always_ because the pulse generation can't keep up.
[19:09:19] <NickParker> no, but i was told that doesn't much matter with a mesa card in it. I'm waiting on somebody to get home so i can use their disk burner.
[19:09:26] <andypugh> It happens when the time for a step plus a space is longer than the required frequency of pulses requested
[19:09:49] <andypugh> Can't you install from a USB drive?
[19:09:57] <NickParker> can I? I have plenty of those.
[19:10:20] <andypugh> I did it yesterday (Ubuntu Precise) and today (Lubuntu) and it worked fine :-)
[19:10:34] <gambakufu> I see. I guess I should tune my configs then. my p4 2.4ghz seems way above the required specs...
[19:10:47] <andypugh> Grab the ISO then use the Ubuntu "Startup Disk Creator"
[19:11:22] <andypugh> gambakufu: It can also be if the Stepgen max accelleration number is less than the axis max accelleration.
[19:11:30] <andypugh> (and the same for velocity)
[19:11:44] <andypugh> They both want to be 10% ot 20% higher.
[19:11:57] <andypugh> So that the stepgen can keep up with the commanded speed.
[19:12:48] <ReadError> use unetbootin
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[19:13:24] <andypugh> If you have a Ubuntu install available then the built-in startup disk creator works perfectly.
[19:14:32] <gambakufu> the stepgen max accelleration is 50 while the acceleration is 40, so that seems ok.
[19:17:50] <kwallace2> gambakufu: Normally step/dir configurations have the command and feedback signals tied together, meaning you can never really get a following error. The error comes about when your g-code asks for a motion that can not be met using the motion limits in your .ini file.
[19:18:39] <Jymmm> Ok, this is pretty cool especially from just one 2x4... http://www.youtube.com/watch?v=4fNJrKVsi6A
[19:18:40] <Tecan> (4fNJrKVsi6A) "How to Make a Wood Electric Fan from a Cheap Plastic Fan - DIY 2x4 Contest Project" by "Steve Carmichael" is "Howto" - Length: 0:14:58
[19:18:49] <JT-Shop> gambakufu: http://www.linuxcnc.org/docs/html/common/Stepper_Diagnostics.html#_error_messages
[19:21:21] <gambakufu> thanks
[19:24:30] <andypugh> Jymmm: On my parent's house we made all the sash windows out of a single 12x12 of pitch-pine.
[19:25:19] <Jymmm> andypugh: Nice =)
[19:25:23] <andypugh> Kind of the same idea, but heavier.
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[19:29:55] <andypugh> It turns out that there are about 80 separate pieces of wood in a single sash-window.
[19:34:18] <Jymmm> http://www.youtube.com/watch?v=hLo1fFyi5wM
[19:34:19] <Tecan> (hLo1fFyi5wM) "homemade tools.wmv" by "poroldchap" is "Tech" - Length: 0:06:16
[19:34:30] <Jymmm> Home made metal brake
[19:35:49] <andypugh> He talks like a comedy boring bloke!
[19:37:49] <andypugh> I can very much recommend these: http://www.axminster.co.uk/axminster-adjustable-vice-jaw-benders-prod20496/
[19:37:55] <Jymmm> andypugh: I thought all you Brits sounded like that ;)
[19:38:18] <andypugh> No, just the ones who make technical YouTube videos :-)
[19:40:35] <Jymmm> andypugh In that video and other things I've seen, the 220 outlets have a switch on them. Is that common? Do many device not come with switches built-in and relay upon the outlet switch itself?
[19:40:48] <Jymmm> rely*
[19:41:16] <gambakufu> well, it seems the base period was too long... I've got it to a speed where the failure sounded mechanical rather than a software error.
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[19:42:05] <andypugh> Jymmm: Yes, we typically have switches on both the device and the outlet.
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[19:42:53] <andypugh> I think the idea is that you turn off at the wall in case the cats nibble through the wire.
[19:43:15] <andypugh> There is also a fuse in the plug, to protect the flex.
[19:43:34] <andypugh> (so, you can have a 6A flex plugged in to a 40A main)
[19:44:05] <andypugh> The above scenario doesn't seem to worry any other country in the world though
[19:51:16] <ReadError> its funny how british people say 'schedule'
[19:51:33] <jdh> like it is spelled?
[19:51:44] <ReadError> i guess
[19:53:15] <Jymmm> andypugh: thanks
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[20:09:17] <NickParker> ok on this machine i get max jitter 647132 and 25480
[20:09:28] <NickParker> max interval 1644852 and 50423
[20:09:31] <ReadError> wow
[20:09:36] <ReadError> thats pretty high
[20:09:38] <NickParker> yeah
[20:09:40] <NickParker> onboard graphics atm
[20:10:43] <NickParker> i should go rummaging for an old gpu
[20:11:09] <NickParker> well actually, is it important if i'm going to be using a 6i25 anyway?
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[20:14:48] <Jymmm> This is fucking cool (are those special welding rods by chance???): Welding with jumper cables and a pair of batteries... http://www.youtube.com/watch?v=PV5oLPLUzrM
[20:14:48] <Tecan> (PV5oLPLUzrM) "Welding with jumper cables and a pair of batteries" by "sewerzuk" is "Tech" - Length: 0:05:45
[20:16:41] <jmasseo> DC welding
[20:18:02] <Jymmm> For some reason I thought welding was high voltage, not high current.
[20:18:28] <NickParker> it's high power.
[20:19:27] <Jymmm> Those welds looked pretty good to me.
[20:19:31] <syyl> every dc welding rod might work
[20:20:55] <Jymmm> hmmm, I just need make a jumper then. I don't have any 4ga laying around, just 8ga.
[20:21:09] <syyl> the welds look good because the guy can weld
[20:21:55] <Jymmm> That's fine. Just means it's not a limitation of the "welding device" itself is what I was getting at.
[20:22:20] <NickParker> i should really learn stick welding.. MIG can't be done in the middle of nowhere with 2 car batteries.
[20:22:41] <syyl> get a hobart battery powered mig welder ;)
[20:23:14] <Jymmm> wha'ts mig? wire fed?
[20:23:18] <syyl> jeo
[20:23:20] <syyl> jep
[20:23:33] <syyl> the two battery aproach is nice for a redneck repair out in the desert of nowhere
[20:23:34] <Jymmm> is that the only diff?
[20:23:50] <syyl> thats a major difference
[20:24:14] <NickParker> MIG is also drop dead easy.
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[20:24:50] <NickParker> but I rarely have a need to weld things at all. I'm thinking more along the lines of save some damsel with a broken car on the side of the highway :)
[20:25:35] <syyl> i prefer stick and tig
[20:25:58] <syyl> stick for fabrication and outdoor use, tig for workshop use..
[20:26:49] <Jymmm> I don't think I have crimpers that will do that big either. Maybe I can sneak intot he hardware store are use the ones they chain to the wall near the aircraft cable for crimps.
[20:28:39] <syyl> just twist it together
[20:28:51] <syyl> thats outdoor-repair-spirit ;)
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[20:49:18] <andypugh> NickParker: 650,000 is too high for a 6i25 running a 1,000,000 thread.
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[21:08:58] <DJ9DJ> gn8
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[21:37:45] <NickParker> andypugh: ok, i'll track down a cheap gpu then.
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[21:38:41] <andypugh> Try software-only open-gl first, and other things on the Wiki "Troubleshooting" page
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[23:03:48] <Nick001-Shop> Have a G76 problem G76 P0.0466 Z-0.560 I0.054 J0.006 K0.027 H3 R2 Q29.5 E0.060 L2 gives me an unknown word where unary operation could be. Program snipit and hal file at http://pastebin.com/Ngxxv93L
[23:04:23] <Nick001-Shop> any help would be nice
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[23:05:47] <Nick001-Shop> I'm also reading The pins motion.spindle-at-speed and the encoder.n.phase-Z for the spindle must be connected in your HAL file before G76 will work. I'm not real sure I have them operating.
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[23:16:10] <cradek> Nick001-Shop_: that g76 command runs fine for me, so either your error comes from a different line or you have a transcription error of some kind
[23:16:40] <cradek> I'm running sim/axis/lathe
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[23:18:55] <cradek> Nick001-Shop: ^
[23:20:26] <andypugh> The error is GO X0.500 Z1.5
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[23:21:09] <cradek> haha I didn't even see that
[23:22:56] <andypugh> It's always easier to see the errors you frequently make yourself
[23:26:10] <Nick001-Shop> do I need a G80 to cancell G76?
[23:26:18] <cradek> no
[23:26:44] <Nick001-Shop> then what?
[23:26:52] <cradek> did you not understand what andypugh said? you have GO when you need to have G0
[23:26:59] <andypugh> But you do need to use "0" for zero an d "O" for o.
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[23:27:34] <Nick001-Shop> Ok now i got it -) Ill go try it
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[23:41:32] <Nick001-Shop> That fixed the error - now it goes to the initial x and z position and make a x move about 0.1 and stops. I'm trying to cut a 5/16-24 thread and obviously have someting wrong
[23:41:48] <cradek> if it doesn't go, your spindle feedback is wrong
[23:42:08] <cradek> at-speed is missing, or index-enable isn't working, or it isn't counting in the right direction
[23:42:56] <Nick001-Shop> P0.0466 should be P0.04166
[23:43:27] <cradek> I promise that's not what's making it not go
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[23:46:52] <andypugh> motion.spindle-revs might not be connected.
[23:48:04] <andypugh> <looks at hal file> How quaint! It's all newsigs and linksps. Where did that come from?
[23:48:37] <cradek> if that's the extent of your hal, looks like you don't have your spindle position stuff hooked up at all.
[23:48:50] <cradek> go ahead and finish that before you try threading :-)
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[23:51:23] <andypugh> I am not sure that motion.spindle-speed-in want the RPM value, isn't that meant to be RPS direct from the encoder?
[23:53:07] <Nick001-Shop> came from pico and I sort of know it isn't right because I had to mess with some of the settings to get feed rates work work right.
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[23:54:26] <Nick001-Shop> can someone go thru the hal file and find the errors? I sort of get lost in there.
[23:54:44] <andypugh> net spindle-revs-in ppmc.0.encoder.03.velocity => motion.spindle-speed-in
[23:55:17] <Nick001-Shop> is that a line for me to add to hal?
[23:55:17] <andypugh> net spindle-pos ppmc.0.encoder.03.position => motion.spindle-revs
[23:56:15] <andypugh> net spindle-index-enable motion.spindle-index-enable <=> ppmc.0.encoder.03.index-enable
[23:56:34] <andypugh> Those three lines are what you want.
[23:56:54] <andypugh> You might need to remove other lines that conflict.
[23:57:54] <Nick001-Shop> ok -I'll go try them - conflicts I sort of know how to resolve them - Thanks
[23:58:38] <andypugh> For example, if you want to keep the spindle RPM calculation then you would have to net spindle-revs-in mult2.0.in0 and delete line 199 in the pastebin