#linuxcnc | Logs for 2013-06-11

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[00:00:20] <Felix29> hey, does somebody here have a laser cutter by any chance?
[00:01:17] <JT-Shop> need to borrow one?
[00:02:17] <Felix29> well, i'd need some parts cut from melamine
[00:02:47] <Felix29> so if there's somebody or a hackerspace who has one
[00:02:58] <Felix29> i'd be happy to pay reasonably well for it
[00:04:04] <JT-Shop> can't think of anyone off hand that has a laser cutter, Jymmm has a laser engraver I think...
[00:04:36] <JT-Shop> if you live in any kind of city I'm sure there are some near you
[00:05:35] <Felix29> yeah, not really a city
[00:05:40] <Felix29> close to chicago though
[00:06:48] <JT-Shop> chicago laser cutter gets tons of hits on google
[00:08:13] <Felix29> yeah, i might just do that
[00:08:25] <Felix29> i figured giving beermoney to a hackerspace is better
[00:08:36] <Felix29> but worst case, i'll just contract it out to a small company
[00:08:43] <JT-Shop> laser cutters are not cheap to purchase
[00:09:09] <JT-Shop> why laser and not water jet on melamine?
[00:09:14] <JT-Shop> just wondering
[00:09:46] <Felix29> i think laser cutters are more likely to be in a hackerspace
[00:10:01] <Felix29> so there's no preference, but i think finding a lasercutter is more likely
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[00:27:23] <Tom_itx> how do you run from line?
[00:27:35] <Tom_itx> if you want to start at a tool change in the middle of a file
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[00:49:41] <Tom_shop> what would cause a program to stop in the middle of a tool path and request the next tool before it is finished cutting the first one?
[00:50:04] <Tom_shop> i've been getting odd errors like this the last couple days
[00:50:22] <Tom_shop> ubuntu 8.04 lcnc 2.5.2
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[01:26:58] <atom1> can't do that (EMC_TASK_PLAN_RUN) in manual mode is the error i get when it paused in mid program
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[02:35:22] <CaptHindsight> these are nice http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,892,893&Prod=CHIPKIT-UNO32
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[02:35:47] <CaptHindsight> 1/2 the price of Arduino but with 32b PIC at 80MHz
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[06:31:41] <mrsun> centerdrills ambitions in life is to snap off in the holes.. specialy little ones =)
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[06:32:32] <archivist> do not force them, get your chuck concentric
[06:33:09] <ssi> are you actually centerdrilling?
[06:33:12] <ssi> or are you spot drilling
[06:33:48] <mrsun> hehe was something doubleboost on youtube said =)
[06:34:15] <mrsun> found it quite funny as ive found the same thing, but mostly due to slop in the quill of the lathe =)
[06:34:36] <ssi> :)
[06:34:42] <ssi> too many people spot drill with centerdrills
[06:34:52] <ssi> it's my ambition in life to stamp that practice out :D
[06:34:56] <mrsun> ssi, i do that in the milling machine
[06:35:14] <mrsun> as i do not have any spotdrills =)
[06:35:15] <ssi> bad mrsun, bad
[06:35:20] <ssi> spotdrills are cheap :)
[06:35:23] <ssi> and they don't snap off!
[06:35:26] <ssi> and they start better holes
[06:35:46] <ssi> ok now that I've thouroughly chastised someone
[06:35:47] <ssi> I'm going to bed!
[06:35:59] <mrsun> hah
[06:36:11] <mrsun> like yo are going to get any sleep now that you are all wound up :P
[06:36:17] <ssi> :'(
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[06:47:24] <DJ9DJ> moin
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[10:25:55] <RyanS> how is your CNC scratch build going Valen?
[10:26:59] <mrsun> 1 2 3 a block 4 a block rock!
[10:27:00] <Valen> slowly
[10:27:09] <frallzor> booooh mrsun
[10:27:12] <mrsun> frallzor, haha
[10:27:29] <frallzor> block you
[10:28:11] <frallzor> weey package to pick up with seals inside, here I come vacuum-experiments
[10:29:08] <RyanS> I have a project like that except it's been going slowly for four years
[10:30:05] <Valen> doing other stuff around it at the moment
[10:30:15] <Valen> getting 3 phase power to the shed, extractor fans and the like
[10:30:54] <RyanS> jeezus what sort of beast are you building
[10:31:28] <Valen> the extractor is the thing
[10:31:32] <Valen> stupid powerfull
[10:31:46] <Valen> we got our current mill up to 5A on the spindle ;->
[10:31:50] <Valen> 240v
[10:33:06] <RyanS> Are you building to some available plans for the new machine or rolling your own?
[10:33:07] <Valen> thats actual draw
[10:33:12] <Valen> rolling our own
[10:42:57] <RyanS> I read and conflicting reports. Some making it out to be easy to convert a mill using a kit, but then I read about the process and see that there is a lot of work involved.
[10:43:41] <RyanS> Not many options for turnkey stuff here
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[10:44:48] <jthornton> convert a manual mill?
[10:45:01] <Valen> you can convert
[10:45:10] <Valen> but unless the manual mill is good to start with
[10:45:25] <Valen> you now have a cnc piece of crap rather than a manual piece of crap
[10:46:45] <RyanS> if Money wasn't an issue the choice is easy - get a vmc
[10:47:43] <RyanS> no a multitasking centre
[10:48:10] <RyanS> You had the HF45 yeah?
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[10:57:45] <Valen> yeah
[11:00:45] <RyanS> no good?
[11:01:41] <Valen> its chineese
[11:01:47] <Valen> and "cheap"
[11:03:33] <RyanS> Depends on if your building space shuttles :p idk people seem to be able to build amazing things with cheap machines
[11:04:04] <Valen> probably moreso with manual machines
[11:04:17] <Valen> as you can fiddle to compensate for problems
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[11:07:46] <RyanS> true. thinking of getting into model engineering, design in cad & use cnc, but yeah the cost thing
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[12:54:56] <skunkworks> http://www.youtube.com/watch?v=BSF1F2dOui4
[12:54:57] <TombCat> (BSF1F2dOui4) "RPi LinuxCNC usb glitch" by "Kinsa Manka" is "Tech" - Length: 0:02:40
[12:55:26] <skunkworks> I thought it was decided that the rpi was a bit too underpowered..
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[13:55:52] <pcw_home> I think the RPI is probably fine if its not running a fancy GUI
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[14:22:44] <mozmck> anyone here know anything about a Pratt & Whitney Turnmate lathe? There is one near me in working condition with 6" chuck for $1500
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[14:35:01] <skunkworks> mozmck, are you able to come to the fest?
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[14:51:52] <mozmck> skunkworks: looks like not :(
[14:52:04] <mozmck> too much to do.
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[14:55:19] <skunkworks> aww
[14:56:29] <ssi> always too much to do
[14:59:29] <archivist> I cannot come to play either
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[15:04:22] <cpresser> nice machine for a retrofit: http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&item=321138279870
[15:04:33] * cpresser is trying to get this one :)
[15:05:41] <ReadError_> H&K ?
[15:05:41] <ReadError_> wow
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[15:06:06] <pcw_home> on wheels!
[15:06:38] <cpresser> i guess i will strip the wheels :D
[15:06:38] <ssi> neat
[15:06:47] <ssi> 2 spindles?
[15:06:50] <ssi> one high speed?
[15:07:01] <cpresser> toolchanger
[15:07:10] <ssi> oh
[15:07:17] <ssi> oh ok I see it now
[15:07:23] <ssi> in the wee picture it looked like a second spindle :P
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[15:18:55] <Loetmichel> cpresser: a little small but grat for hobby work i would assume ;-9
[15:19:03] <Loetmichel> great
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[15:58:51] <archivist> Loetmichel, for some work small is just right, I wish it was nearer me and affordable by me
[16:02:41] <archivist> it would be perfect for my little gears except for lack of height for the other two axes
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[16:02:56] <pcw_home> Looks better than hobby grade...
[16:03:29] <archivist> justrightforme grade
[16:04:24] <pcw_home> pretty small but shipping would not be cheap
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[16:40:33] <gene78> Got a halscope prob guys, it shows encoder.0.velocity as 0 microvolts, while turnin 600 rpms
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[16:42:16] <jdh> you measure your speed in uV?
[16:43:01] <gene78> actually, its turning about 750 but I can set that with pid.0.FF0, no, but the scope is flat lined even at microvolt gain
[16:44:06] <gene78> i can look other places in the chain, like scale.1.in
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[16:44:51] <gene78> dead there too
[16:48:02] <pcw_home> is the encoder counting?
[16:50:12] <cbjamo> pcw_home: How do i put that bitfile you sent me on the fpga?
[16:50:15] <mhaberler> cpresser: red mal mit Norbert Schechner <norbert@schechner.info>, der hat mehrere von denen und vielleicht eine übrig mit zubehör
[16:51:06] <pcw_home> Can opener?
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[16:51:59] <pcw_home> you copy it to /lib/firmware/hm2/5i22/ (as root)
[16:53:11] <cbjamo> 5i22 or 5i22-1?
[16:53:27] <pcw_home> and then invoke it in the config line of the hal file
[16:53:32] <pcw_home> 5i22
[16:54:04] <cbjamo> and where am I going to want to put the .pin and .xml files you sent?
[16:54:22] <pcw_home> loadrt hm2_pci config="firmware=hm2/5i22/svsttp6_6_12 ...
[16:54:39] <pcw_home> they can go there as well
[16:55:12] <pcw_home> the .pin file is just for your use (its just a text pinout file)
[16:55:24] <cbjamo> ok
[16:55:46] <pcw_home> I recommend reading it before attaching daughtercards
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[16:56:39] <cbjamo> Ok, but, isn't there only one way to attach them?
[16:56:43] <IchGuckLive> hi all B)
[16:57:18] <IchGuckLive> sunny and warm here in germany today
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[16:58:37] <cbjamo> Shouldn't the hall sensors be returning to the 5i22?
[16:59:05] <IchGuckLive> pcw_home: hi isent there a way you can ad a ppa to get all the newest files in one shot to the linuxcnc distro
[17:01:07] <pcw_home> Yes the Hall signals (if you have them) cand be read by the 7I39
[17:01:52] <cbjamo> right, but they arn't being sent back to the mainboard in that .pin file.
[17:01:57] <pcw_home> IchGuckLive: you mean all latest bitfiles?
[17:02:23] <pcw_home> there are no specific Hall pins, they are GPIO
[17:02:59] <cbjamo> Ah, ok
[17:05:31] <IchGuckLive> pcw_home: and also the firmware
[17:06:18] <IchGuckLive> in one dep packet
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[17:20:35] <cbjamo> pcw_home: I want num_pwmgens=0 and num_3pwmgens=3, correct?
[17:22:03] <pcw_home> num_3pwmgens=6 num_encoders=6
[17:22:18] <cbjamo> ok
[17:22:46] <pcw_home> there are no pwmgens so no need to specify 0
[17:23:11] <pcw_home> num_stepgens = however many you want
[17:23:53] <pcw_home> (if unspecified, the will all be enabled which is very unlikely to be what you want)
[17:24:32] <cbjamo> Yup, I only need 4. will it use channels 0,1,2,3 by default?
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[17:28:17] <pcw_home> No, you need to specify: num_stepgens =4
[17:28:28] <pcw_home> otherwise all 12 will be used
[17:28:46] <cbjamo> Right, i set num_stepgens=4, but what channels will it use?
[17:28:59] <pcw_home> 0 through 3
[17:29:59] <pcw_home> actually the hardware can enable any set or subset of modules but the driver only allows enabling 0 .. N-1
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[17:32:11] <cbjamo> I ran pnnconf to get an example file setup and then changed the firmware and modules, what else am going to need to set. I have
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[17:46:35] <cbjamo> does anyone know what the error "can not find-sec MOT -var MOT -num 1 means?
[17:47:01] <andypugh> It means nothing, ignore it.
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[17:47:41] <andypugh> Somebody probably ought to do something about those messages.
[17:48:13] <cbjamo> how about "-sec IO var IO -num 1" or "-sec LINUXCNC -car NML_FILE -num 1" or "
[17:48:20] <andypugh> The same.
[17:48:28] <andypugh> There are 4 of them I think
[17:48:48] <cbjamo> hmm, yeah, one is the same as the LINUXCNC one, except is says EMC
[17:49:15] <cbjamo> anyway, they are the only errors I'm getting, and linuxcnc is crashing.
[17:50:29] <cbjamo> there is more in dmesg, but no error messages, just status info, as far as I can see.
[17:50:35] <andypugh> Crashing or refusing to run? There is a difference. OK, it amounts to the same thing from your perspective.
[17:50:50] <andypugh> put the dmesg at www.pastebin.com
[17:51:24] <cbjamo> Good point, it opens the config panel, I choose my config then it sits for a sec and closes.
[17:52:56] <pcw_home> do a 'sudo dmesg -c' before you post the log
[17:54:50] <pcw_home> (and before you launch linuxcnc)
[17:55:12] <andypugh> If he does that we miss the "no lapic" message..
[17:55:55] <pcw_home> AFAIK he had things running beyond this point before
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[17:56:53] <cbjamo> yes and no, I had the sim running before, not a real setup.
[17:57:07] <cbjamo> I have both the trimmed dmesg and a full one
[17:57:37] <pcw_home> does the latency test run?
[17:57:50] <cbjamo> trimmed: pastebin.com/hvDfwqvX
[17:57:58] <cbjamo> yes, the latency test works fine
[17:58:41] <andypugh> In that case it isn't the lapic
[17:58:54] <cbjamo> Ok
[17:59:08] <pcw_home> didn't find bitfile
[17:59:09] <andypugh> [ 4467.431296] hm2/hm2_5i22.0: firmware hm2/5i22/svsttp6_6_12 not found
[17:59:10] <andypugh> [ 4467.431306] hm2/hm2_5i22.0: install the package containing the firmware.
[17:59:11] <andypugh> [ 4467.431313] hm2_5i22.0: board fails HM2 registration
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[17:59:30] <andypugh> sudo apt-get install linuxcnc-firmware-all
[17:59:48] <cbjamo> this is a custom bitfile, it won't be in the dep
[17:59:59] <cbjamo> path must be off
[18:00:00] <pcw_home> you left off the .bit
[18:04:10] <IchGuckLive> andypugh: sudo apt-get install hostmot2-firmware-all B)
[18:04:40] <andypugh> Is it? Shows how long it is since I did it.
[18:04:52] <IchGuckLive> O.O
[18:05:11] <IchGuckLive> therefor i alsk every week we need a ppa fr this
[18:05:20] <IchGuckLive> as it is changing
[18:06:33] <IchGuckLive> im figting with the same problem o nthe 5i25 7i76 somme times on updating cnc mashines
[18:06:52] <IchGuckLive> as from 2.4 -> 2.5 - master 2.6.pre
[18:07:02] <IchGuckLive> getting lost of the hostmots
[18:07:44] <pcw_home> there should be no issue with the 5I25/7I76, the included firmware is fine
[18:08:07] <cbjamo> fixed that, and changed permissions, still doesn't work. new dmesg: www.pastebin.com/ZagLYs6P
[18:09:15] <pcw_home> well it did work, but you probably have an error in your hal file
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[18:09:36] <cbjamo> very likely, how do I go about tracking them down?
[18:09:51] <andypugh> If you start linuxcnc from the command line you will probably see a "can't find pin" message
[18:10:06] <pcw_home> hal error are almost always reported with line number
[18:10:14] <pcw_home> errors
[18:12:33] <cbjamo> "Printer.hal:10: parameter or pin 'hm2_5I22.0.pwmgen.pwm_frequency' not found"
[18:13:03] <pcw_home> well thats true, there are no PWM gens
[18:13:48] <cbjamo> right, so I change it to hm2)5I22.0.3pwmgen....
[18:14:23] <pcw_home> And i notice this is a hacked 7I39 config with stepgen outputs on the sense lines, that was a mistake, but it should be harmless
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[18:15:39] <pcw_home> dont know if pncconf knows anything about 3 phase pwmgens
[18:15:47] <cbjamo> Yeah, I thought the stepgens up there were a bit odd, but figured it was related to the 7i39 board in some way.
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[18:16:37] <cbjamo> well, what do I need to do then?
[18:16:44] <pcw_home> No, its just that I copy,pasted from a custom config, I will fix it
[18:17:19] <cbjamo> ok
[18:17:38] <pcw_home> if pncconf doesn't know how to make a 3 phase config you will need to cobble it together yourself
[18:18:12] <pcw_home> (the stepgens will cause no harm unless you want to use the 7I39 sense pins as inputs)
[18:18:32] <cbjamo> Ok, will I be better off starting where I am or from scrach?
[18:19:05] <cbjamo> My motors have hall feedback, and I want to use it.
[18:19:38] <pcw_home> if you have a servo config, its a starting point. maybe andy has some sample 3pwmgen boilerplate
[18:20:16] <cbjamo> that would be great
[18:22:29] <pcw_home> also man hostmot2 for signal names
[18:22:30] <pcw_home> (or list pins and parameters with halcmd)
[18:22:34] <andypugh> http://pastebin.com/Ac94d9eY
[18:23:45] <andypugh> (Which seems to lack the rather important "loadrt bldc" and "addf bldc" bits...
[18:29:28] <Jooa> Hi! Is there way to jog two axis, at the same time, with just one keyboard shortcut?
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[18:30:15] <cradek> you can push both jog keys
[18:31:52] <Jooa> but i want them to jog same amount
[18:32:21] <cradek> what are you trying to do?
[18:34:31] <cbjamo> andypugh: what thread to I want the blcd function to be on?
[18:34:50] <andypugh> servo
[18:34:55] <cbjamo> thanks
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[18:38:26] <andypugh> You probably want h,h,h for three motors with hall sensors
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[18:40:13] <cbjamo> I actually have 6, not 3. And it already has 3
[18:40:29] <cbjamo> two per axis
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[18:42:18] <cbjamo> and in the addf area it has "addf bldc.N servo-thread"
[18:42:50] <cbjamo> am I going to want 0-5?
[18:43:17] <cbjamo> and am I going to need a pid for each one?
[18:43:28] <pcw_home> yep
[18:44:27] <pcw_home> loadrt pid num_chan=6
[18:44:43] <cbjamo> is the N in "addf bldc.N" just a lable? Can I name them x1, x2, etc.
[18:46:05] <cbjamo> this config has "loadrt pid names=pid.x,pid.y,pid.z"
[18:46:33] <pcw_home> ok so you can extend that with 3 more names
[18:46:39] <cbjamo> ok
[18:46:45] <cbjamo> and the name can be anything?
[18:47:18] <pcw_home> Yes
[18:48:04] <andypugh> You can probably name the bldc components. But perhaps leave "blcd" in the name so you don't mistake them for pids..
[18:48:52] <cbjamo> ok, will bldc.x1 and suchlike work?
[18:49:05] <Jooa> cradek: i have a xyuv hotwire cutter and sometimes it would be handy to fix x-u and y-v movements
[18:50:16] <andypugh> cbjamo: Should do. You still need to declare the config types.
[18:50:27] <cbjamo> ok
[18:50:43] <cbjamo> so it'll be
[18:51:38] <cbjamo> "loadrt blcd names=bldc.x1,blcd.x2, etc cfg=h,h,h,h,h,h"
[18:54:26] <andypugh> Yes, that ought to work.
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[18:54:55] <cbjamo> and I need to double everything up in the axis configs, yes?
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[20:01:45] <Matous> Why is everyone so silent?
[20:03:32] <cbjamo> What is the parameter bldc.N.pattern?
[20:05:49] <Matous> does this help? http://www.linuxcnc.org/docs/html/man/man9/bldc.9.html
[20:06:27] <cbjamo> yup, thanks
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[20:17:00] <cbjamo> what happens when you put a net command in a hal file without a <=, => or <=>?
[20:18:39] <JT-Shop> cbjamo: http://www.linuxcnc.org/docs/html/hal/basic_hal.html
[20:18:46] <micges> cbjamo: these are only for better reading
[20:20:03] <cbjamo> I see, thanks
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[20:26:26] <Matous> Has anyone got any good ideas on how to probe for tool length using one of the input switches?
[20:30:18] <archivist> there is an example on your hard disk http://www.linuxcnc.org/docs/2.4/html/examples_gcode.html
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[20:41:06] <Matous> aah thanks a lot! I thought there has to be a simpler solution than the ones I tied... Guess searched for bad keywords or something.
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[20:45:22] <andypugh> I just collected my new lathe. It's lovely. In fact I only bought it because it is lovely, I have absolutely no idea what I will do with it.
[20:45:38] <andypugh> It isn't really CNC-convertible.
[20:46:40] <ds3> what kind of lathe is it?
[20:48:16] <andypugh> http://www.lathes.co.uk/rivett/page2.html
[20:49:16] <ds3> u got the armstrong tool holder still on it?
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[20:49:34] <andypugh> If that's the cylindrical one, then yes.
[20:49:46] <ds3> the 'rocker' one
[20:50:04] <andypugh> No, it's the cylindrical adjustable-height one.
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[20:50:54] <andypugh> I might have to make an oak cabinet to hide the CNC parts :-)
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[20:52:22] <andypugh> Making an oak cabinet is not inconceivable, I made this: https://picasaweb.google.com/lh/photo/RXISmcDuivLRVKO9-hnzqdMTjNZETYmyPJy0liipFm0?feat=directlink
[20:52:26] <archivist> you need a manual lathe for one off quickies
[20:52:30] <andypugh> Makes flood-coolant a bit tricky thought.
[20:53:22] <ds3> brush on oil coolant
[20:54:34] <andypugh> Right, first things first, I need to unload it from the car.
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[20:54:54] <ds3> get out the gantry crane?
[20:54:59] <andypugh> Actually, zeroeth things first, I need to clear the bench so there is somewhere to put it down.
[20:55:16] <archivist> borrow a slave/volunteer
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[20:56:11] <andypugh> It's full of stupid/cool features.
[20:56:28] <andypugh> Have a look at the compound/top slide. How does that work?
[20:56:33] <ds3> what's the size of yours? (swing/length)
[20:56:45] <fragalot_> archivist: or a cnc lathe with a 512 tool changer :P
[20:57:15] <andypugh> only 56 tools allowed in LinuxCNC
[20:57:23] <archivist> fragalot_, bug there is no programming time with manual
[20:57:24] <fragalot_> aw bum there goes that then
[20:57:26] <archivist> but
[20:57:41] <fragalot_> archivist: good CAM software should help there
[20:57:43] <archivist> that tool limit is dumb
[20:57:49] <andypugh> archivist: There is no programming time with mt CNC.
[20:58:09] <fragalot_> if you can afford a 512 tool cnc lathe, you can afford CAM software too
[20:58:09] <fragalot_> :P
[20:58:16] <archivist> my inside rear of skull CAM works a manual lathe just fine
[20:59:18] <fragalot_> unless you've got a turrent lathe, you still need to change tools & touch off again for the new tool though
[21:00:03] <andypugh> archivist: Have you seen http://www.linuxcnc.org/index.php/english/forum/41-guis/26550-lathe-macros ?
[21:00:14] <andypugh> One screen for each operation. No programming.
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[21:14:01] <cbjamo> andypugh: did you see my response in that other channel?
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[21:15:48] <cbjamo> is there any way to run the open loop test from pnnconf without running pnnconf?
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[21:21:46] <JT-Shop> open loop test?
[21:22:24] <cbjamo> open loop servo test
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[21:34:38] <JT-Shop> how can you run a servo in an open loop?
[21:34:45] <fragalot_> JT-Shop: you run it as a dc motor
[21:34:57] <JT-Shop> ah ok
[21:34:58] <ssi> then it's not a servo :)
[21:34:59] <fragalot_> and it just goes 'round and 'round and 'round :P
[21:35:02] <JT-Shop> had me confused
[21:35:22] <cbjamo> yeah, not my name, thats what its called in pnnconf/
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[21:36:10] <cbjamo> I have brushless motors, so I'm just trying to test the driver. I'll worry about feedback when I know I can make them spin.
[21:36:16] <JT-Shop> I would assume you have to have pncconf running to do anything like that
[21:36:30] <JT-Shop> 0-10v input?
[21:36:55] <cbjamo> mesa 7i39, so no
[21:37:45] <cbjamo> it uses pwm.
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[21:42:12] <Tom_itx> 96 F Partly Cloudy
[21:42:46] <Tom_itx> pcw_home what temp are the mesa boards rated for?
[21:43:23] <Tom_itx> i think that may have contributed to my errors yesterday. either the pc or other electronics may have been too warm
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[21:45:04] <JT-Shop> -C version is 0C to 70C
[21:45:35] <Tom_itx> it did a bit better when i took the atom pc out instead of the old clunker
[21:45:50] <Tom_itx> but i still got a few random errors
[21:46:11] <Tom_itx> ie, stopping in the middle of a toolpath and asking for the next tool
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[21:50:30] <JT-Shop> yuck
[21:50:57] <Tom_itx> took all evening to get a file halfway run
[21:51:22] <JT-Shop> sounds like my VMC tripping the drive all the time
[21:51:32] <Tom_itx> i'll wait til it's cooler and try again or get an ac
[21:51:48] <ssi> http://www.prototechnical.com/~imcmahon/spi32bit-4.png
[21:51:49] <ssi> weeee
[21:51:54] <Tom_itx> yeah i figure mine is a heat issue
[21:52:04] <Tom_itx> it worked fine before
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[22:32:32] <Aero-Tec> I want to call a sub
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[22:32:42] <Aero-Tec> but my sub call is to long
[22:33:24] <Aero-Tec> the number of variables and there names are to long
[22:33:54] <JT-Shop> too long?
[22:34:26] <JT-Shop> gives you and error?
[22:34:32] <Aero-Tec> is there any sting function that I could assign the variable line to and then call?
[22:34:35] <Aero-Tec> yes
[22:34:38] <Aero-Tec> to long
[22:35:18] <JT-Shop> not that I know of
[22:35:19] <Aero-Tec> o<cut_circle_rotory_table> call [#<tooldia>][#<FeedRateAaxis>][#<inside>][#<rpm>][#<feedrate>][#<inc-cutDepth>][#<fCutDepth>][#<zsafe>][#<zstart>][#<z-man-auto>][#<cen-x>][#<cen-y>][#<DiaCircle>][#<RadCircle>][#<StartDeg>][#<NumberOfDeg>][#<StartX>][#<StartY>]
[22:36:35] <Aero-Tec> cutting a arc using a rotary table flat on the table
[22:37:22] <Aero-Tec> have to much back lash to just cut a circle using X and Y
[22:37:30] <JT-Shop> I wonder what the line lenght limit is?
[22:38:51] <JT-Shop> Aero-Tec: http://www.linuxcnc.org/docs/html/gcode/overview.html#_format_of_a_line
[22:40:02] <JT-Shop> your 4 characters too many
[22:40:15] <Aero-Tec> lol
[22:42:21] <Tom_itx> abbreviate a couple vars
[22:42:27] <Tom_itx> or can you
[22:43:32] <Aero-Tec> yes I can
[22:44:08] <Aero-Tec> would be cool if there was a continue on next line
[22:44:24] <Tom_itx> there is for some languages
[22:44:30] <Tom_itx> dunno about subs
[22:44:47] <Aero-Tec> so one can add several 256 lines together to make one line
[22:46:00] <Aero-Tec> it could be used to make code more readable
[22:46:23] <Aero-Tec> o<cut_circle_rotory_table> call
[22:46:31] <Aero-Tec> [#<tooldia>]
[22:46:41] <Aero-Tec> [#<FeedRateAaxis>]
[22:46:51] <Aero-Tec> and so on like that
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[22:47:14] <CaptHindsight> BBB's came in today, why would anyone still use the RPi?
[22:48:03] <Aero-Tec> one would need a symbol like ~ or | or something
[22:48:41] <jdh> pi is cheaper, has composite out
[22:48:47] <andypugh> Got distracted by the new toy. It really is the most beautifully over-made thing.
[22:48:50] <Aero-Tec> do the call and have a list of what is passed in a more readable format
[22:49:03] <jdh> did you buy the lathe?
[22:49:13] <andypugh> I didn't mean to.
[22:49:19] <jdh> heh, cool.
[22:50:08] <Tom_itx> did the devil make you do it?
[22:50:10] <jdh> my wife and kids are gone until saturday. My goal is to be able to get to my jet 9x20 I've never used.
[22:50:47] <andypugh> The tailstock has a dovetail to slide across for slight tapers. It really looks like they assembled it, then machined all over, then polished it.
[22:51:48] <andypugh> The guy I bought it from appears to be a loony. He had about 6 lathes and sundry other tools in his garage, all running from line-shafting.
[22:52:08] <andypugh> I don't think anyone needs 6 lathes in their garage.
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[22:52:53] <jdh> how many do you have so far?
[22:53:15] <andypugh> Only two. I need a bigger garage.
[22:53:38] <jdh> I'd trade my 2.5 for one that sucked less!
[22:54:53] <Aero-Tec> if one is doing production I can see a use for multi lathes
[22:55:21] <andypugh> Lets see, he had a http://www.lathes.co.uk/pittler/index.html and a http://www.lathes.co.uk/boley/page3.html and a http://www.lathes.co.uk/holbrookB8/ And those are just the ones I recognised.
[22:55:28] <jdh> or one could just be the lathe equivalent of 'the crazy cat lady down the road"
[22:55:49] <Aero-Tec> lol
[22:55:53] <Aero-Tec> could be
[22:56:04] <Aero-Tec> 2 lathes and 2 mills so far
[22:56:31] <Aero-Tec> 1 plasma cutter 4 welders
[22:56:54] <Aero-Tec> not counting the gas torch
[22:56:56] <ssi> I've got three lathes, 2 mills
[22:57:09] <ssi> cnc plasma table, surface grinder, 2 bandsaws, 2 welders (3 counting torch)
[22:57:32] <ssi> and two small homebuilt desktop mills
[22:57:36] <ssi> and four 3d printers
[22:57:37] <Aero-Tec> got a band saw
[22:58:02] <Aero-Tec> one cutoff saw
[22:58:13] <Aero-Tec> oops forgot the spot welder
[22:58:24] <jdh> http://charleston.craigslist.org/tls/3863415635.html
[22:58:51] <ssi> jdh: what kind of machine is that?
[22:59:09] <jdh> no clue
[22:59:14] <ssi> 5k for both?
[22:59:19] <jdh> looks like it
[22:59:21] <ssi> sounds like a reasonable deal if you can move them
[22:59:28] <jdh> and power them
[22:59:35] <ssi> secondary details :)
[22:59:40] <jdh> I can do neither (nor house them)
[22:59:42] <ssi> they're in a house though
[22:59:53] <ssi> I might call him
[23:00:02] <jdh> not to far
[23:00:04] <ssi> nope
[23:00:05] <CaptHindsight> heh, he purchased the house with the machines already in the workshop
[23:00:10] <ssi> I could put them in my hangar
[23:00:13] <ssi> I've got 3ph there
[23:00:57] <Aero-Tec> looks like 5K for both
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[23:01:18] <Aero-Tec> getting them moved looks to be lots more money
[23:01:19] <ds3> ssi: u have a hanger?
[23:01:24] <ssi> I have two :P
[23:01:28] <ds3> where?
[23:01:29] <Aero-Tec> buying them is the cheap part
[23:01:34] <ssi> south of atlanta
[23:01:48] <ds3> small civ. aviation airports?
[23:01:52] <ssi> yes
[23:02:01] <ds3> nice
[23:02:06] <ds3> how expensive is a hanger per month?
[23:02:37] <Aero-Tec> can one buy a hanger?
[23:03:10] -!- asdfasd has quit [Ping timeout: 276 seconds]
[23:03:14] <ds3> hand some friends talk about renting hanger space for a shop
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[23:03:31] <ssi> sure
[23:03:34] <ssi> ds3: varies with the airport
[23:03:36] <ssi> my airport, they'r about $300/mo
[23:03:42] <ssi> by "my airport", I mean the one seventy miles from me that I have hangars at
[23:03:52] <ds3> $300 include power?
[23:03:54] <ssi> because the one a mile from my house has a 12 year waiting list for hangars and they're $1200/mo
[23:03:57] <ssi> yep
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[23:04:07] <ssi> they typically don't have enough power to run a shop in
[23:04:15] <ssi> but I happen to have the hangar on the end where the 3ph comes in
[23:04:20] <ds3> ohhhh
[23:04:30] <ds3> $300 per month sound sweet
[23:04:47] <CaptHindsight> 3 phase 220 or 221?
[23:04:50] <ssi> I pay $400 for that end hangar cause it's bigger
[23:04:54] <ssi> 3ph 220
[23:05:01] <jdh> whatever it takes
[23:05:10] <Aero-Tec> but if one runs a shop machine shop in it the price will go up
[23:05:12] <ds3> can you abuse power by welding stuff and running a small foundry?
[23:05:14] <ssi> Aero-Tec: yes
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[23:05:26] <ssi> ds3: it's one of those things... it'll be fine til someone notices
[23:05:28] <ssi> then it won't be fine anymore
[23:05:33] <ds3> ah
[23:05:35] ryan_turner_ is now known as ryan_turner
[23:05:59] <Aero-Tec> back to work
[23:06:08] <Aero-Tec> rewrite the code
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[23:15:54] <Aero-Tec> is #<td> and #<TD> the same thing in linux CNC?
[23:17:36] <Aero-Tec> thunder storm rolling in here, my power will often go off during a storm, so if I suddenly drop out you will know why
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[23:19:31] <Aero-Tec> so are names case sensitive in linux CNC?
[23:20:07] <JT-Shop> variable names?
[23:20:27] <JT-Shop> or should I say named parameters?
[23:20:57] <JT-Shop> http://www.linuxcnc.org/docs/html/gcode/overview.html#sub:Named-Parameters
[23:22:58] <Aero-Tec> cool, thanks a mill
[23:23:11] <Aero-Tec> so not case sensitive
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[23:23:42] <Aero-Tec> storm is really getting loud
[23:24:00] <ssi> hdl is hard
[23:24:05] <JT-Shop> no, they get converted to lower case
[23:24:06] <ssi> just letting you all know :(
[23:24:29] <Jymmm> JT-Shop: vars dude, vars
[23:25:37] <Aero-Tec> speaking of witch, what is the best way to protect your CNC and also to best setup to deal with power bumps and outages during a storm?
[23:25:57] <JT-Shop> I turn them off
[23:26:10] <Jymmm> unplug them
[23:26:28] <JT-Shop> and what Jymmm said
[23:26:29] <Aero-Tec> I was thinking a UPS for both the CPU and the servos/steppers drivers
[23:26:53] <Jymmm> Aero-Tec: A UPS will NOT protect you from a storm
[23:27:23] <Jymmm> Aero-Tec: An expensive power conditoner might.
[23:27:59] <Aero-Tec> we have been getting a large number of power bumps here lately
[23:28:10] <Jymmm> Aero-Tec: Most UPS do not deal with inductive laods very well.
[23:28:59] <Aero-Tec> I do not need to produce during a power outage, but would be cool to have the machine start up from where it left off in mid cut
[23:29:54] <Aero-Tec> so large transformers for the steppers and servos would not work well with a UPS?
[23:30:46] <Aero-Tec> have a 1500 watt supply for mill and a 3000 watt one for the lathe
[23:31:24] <Aero-Tec> for the steppers for the mill and servos for the lathe
[23:32:11] <Aero-Tec> do not care if spindle winds down as long as the feed rate follows
[23:32:32] <Aero-Tec> and same with it coming on
[23:32:55] <Aero-Tec> if I was doing a heavy cut if maybe a problem on startup
[23:33:28] <Aero-Tec> soft start may fix that
[23:33:36] <Aero-Tec> any ideas?
[23:34:42] <Aero-Tec> one of the things I love about linux CNC is how it will stop mid cut when spindle is turned off and start up again with the spindle turned on
[23:34:52] <Aero-Tec> Mach would not do that
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[23:35:27] <Aero-Tec> it took a read of spindle start of cut and that was assumed to be the speed for the full cut
[23:35:55] <Aero-Tec> sucked
[23:36:41] <JT-Shop> well guys see you all next week
[23:37:00] <Aero-Tec> have fun
[23:37:06] <JT-Shop> thanks
[23:37:27] <Jymmm> Aero-Tec: You will have to check your specific UPS to be sure. But no consumer grade UPS does well with inductive loads that I've ever seen. Industrial UPS is a different story.
[23:37:36] <Jymmm> JT-Shop: You slutting off to Ohio?
[23:37:47] <JT-Shop> Maggie Valley NC
[23:38:07] <Jymmm> JT-Shop: Same diff, just be glad you're not going to Misery
[23:38:24] <Jymmm> ;)
[23:38:27] <JT-Shop> nope not going to the left coast
[23:38:36] <Jymmm> JT-Shop: Have Fun!!!
[23:39:02] <JT-Shop> we will try our best to have as much fun as two old farts can
[23:39:38] <Jymmm> JT-Shop: Could always get/find a PYT to spice things up a bit =)
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[23:40:16] <Jymmm> JT-Shop: Then all three of you can throw a party =)
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[23:43:06] * JT-Shop puts on his chef hat
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