#linuxcnc | Logs for 2012-06-22

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[00:00:53] <Jymmm> andypugh: now, this guy ate 100% raw organic veggies for a year, not even blanched. so I dont know if that has to do with food processing either.
[00:00:57] <JT-Shop> Jymmm: it usually is real good, I cook it a lot
[00:01:00] <andypugh> More importantly. Some children are diagnosed autistic after the MMR vaccination. Again, that is a correaltion, not a causation.
[00:01:30] <JT-Shop> andypugh: you can make it with veg stock but it lacks a lot of taste
[00:01:42] <Jymmm> andypugh: I have this thing more about PROCESSED foods, than anythign else. Even raw meat is processed these day (recently learned this)
[00:01:53] <Jymmm> JT-Shop: that specific recipe?
[00:02:00] <andypugh> JT-Shop: Yeah, but it doesn't prevent Measles either :-)
[00:02:31] <Jymmm> andypugh: Sadly, kids are REQUIRE BY LAW to now have vaacinnation or will not be admited in schools
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[00:02:51] <andypugh> (I am often amused by the out-of-sequence nature of IRC)
[00:03:07] <andypugh> Jymmm: I don't think that is "sadly" at all.
[00:03:22] <Jymmm> andypugh: these are HS aged
[00:03:34] <Jymmm> andypugh: not the standard child diseases
[00:03:37] <roycroft> in oregon religious objection is an exemption from the vaccination law
[00:03:48] <Jymmm> roycroft: nice, good to know.
[00:03:52] <JT-Shop> Jymmm: more or less that recipe
[00:04:02] <Jymmm> JT-Shop: ok, cool.thanks =)
[00:04:04] <andypugh> <opts out of that conversation now>
[00:04:39] <JT-Shop> oregon is broke
[00:04:47] <Jymmm> andypugh: There are many that get condtions FORM the vaccinations being the problem I have with "required".
[00:04:51] <Jymmm> FROM
[00:04:53] <ReadError> Jymmm
[00:05:05] <ReadError> cholesterol from food doesnt contribute to your blood
[00:05:21] <andypugh> <not interested in having this argument>
[00:05:25] <Valen> I am immensly greatfull that vaccination is required
[00:05:30] <Jymmm> andypugh: =)
[00:05:38] <Valen> its called herd immunity
[00:05:45] <ReadError> last one i got was the menigitus(sp?)
[00:05:48] <ReadError> that shit is horrible
[00:05:59] <ReadError> where they have to cut your limbs off if it doesnt kill you
[00:06:03] <Jymmm> ReadError: blood brian barrier disease
[00:06:19] <Jymmm> brain
[00:06:33] <Valen> ReadError: that sounds more like meningia cockle
[00:06:36] <andypugh> You never want a diesease you can't spell. That's just embarassing.
[00:06:40] <Valen> kills you in 36 hours
[00:06:42] <Jymmm> http://en.wikipedia.org/wiki/Meningitis
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[00:07:19] <Jymmm> Hey, I have 75% of the symptoms listed =)
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[00:08:00] * JT-Shop is ready when the Soylent Green trucks come...
[00:08:15] <Jymmm> JT-Shop: to eat or refuel the tractor?
[00:08:41] <JT-Shop> to shoot
[00:08:57] <Jymmm> JT-Shop: soy Cannon!!! WOOHOO
[00:09:19] <JT-Shop> that ain't about soy Jymmm
[00:09:26] <Jymmm> ?
[00:09:41] <JT-Shop> http://en.wikipedia.org/wiki/Soylent_Green
[00:11:06] <Jymmm> added to netflix queue
[00:13:06] <JT-Shop> you never saw Soylent Green?
[00:13:17] <Jymmm> i dont remember if I have
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[00:17:24] <Jymmm> JT-Shop: I have over 4000 movies. I watch movies like blondes like they dye their hair. It's hard to keep track sometimes =)
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[00:19:35] <Jymmm> JT-Shop: you have any tips/tricks on plastic shrink sleeve/wrap handling?
[00:20:18] <ds3> i.e. #ifndef FOO.... #define FOO 1.... #endif
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[00:24:44] <andypugh> ds3: Aye, I seem to have spotted the magic in the hm2_refactor branch
[00:25:17] <andypugh> Though I still have problems: /home/andypugh/linuxcnc-dev/src/hal/drivers/mesa-hostmot2/hostmot2.h:1070: error: expected declaration specifiers or ‘...’ before ‘hm2_sserial_remote_t’
[00:25:34] <ds3> need a bit more context
[00:25:35] <JT-Shop> Jymmm: tricks?
[00:25:55] <ds3> can you paste bin hostmot2.h or point me to the a git view or like?
[00:26:16] <andypugh> ds3: Or I need fewer typos..
[00:26:53] <Jymmm> JT-Shop: I want use pvc shrink sleeve (1500ft roll), but I'm not sure how to stop, open sleeve, drop an item in, seal one end, seal the other end, repeat.
[00:26:53] <andypugh> I think I spotted the underlying problem. Inconsistent type naming.
[00:26:57] <JT-Shop> btw Jymmm I got python to display the xml file
[00:27:08] <Jymmm> JT-Shop: nice =)
[00:27:34] <JT-Shop> so this means anyone with a mack xml file can translate it to LinuxCNC
[00:27:44] <Jymmm> lol
[00:27:48] <JT-Shop> and come back from the dark side
[00:29:54] <skunkworks__> JT-Shop: wow - pretty cool!
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[00:30:06] <Jymmm> s/from/to||from/ =)
[00:30:13] <JT-Shop> hi skunkworks__
[00:30:22] <skunkworks__> Hi john
[00:31:10] <JT-Shop> I hope to get it to resemble the stepconf wizard so they can open up the xml file and see what it would look like in stepconf wizard
[00:32:10] <JT-Shop> so if they have a working mack config they can directly translate it
[00:32:38] <JT-Shop> does anyone know if mack can export the xml file from your configuration?
[00:32:56] <Jymmm> mach
[00:33:09] <skunkworks__> I know they are constantly wanting to see peoples xml files.. I assume it is just a file they have access to.
[00:35:44] <JT-Shop> yea, I noticed that lots of things have a mack xml file for their hardware
[00:36:21] <andypugh> OK, I could stay here 2 more hours killing these bugs, or I could actually stand a chance of making tomorrows 9am meeting.
[00:36:56] <andypugh> Night all
[00:37:11] <JT-Shop> goodnight
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[00:41:14] <tjb1> Hey JT-Shop, get that mac running yet?
[00:42:35] <JT-Shop> gave up on it
[00:43:13] <tjb1> Are you JT at ShopTask?
[00:58:52] <tjb1> I may build a 3d printer out of makerslide also while building my plasma table if funds permit
[00:59:02] <tjb1> and if I can actually buy the damn makerslide
[00:59:17] <tjb1> Its like winning the lottery when you find it is in stock
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[01:00:36] <draig> anyone here know where to find a THC 300 torch height controller like the one from Campbell designs? been looking all over and cant find them sold anywhere
[01:04:56] <tjb1> http://hydcnc.en.alibaba.com/product/477154918-212696707/torch_height_controller_XPTHC_300.html
[01:05:01] <tjb1> no idea if that is what you are looking for
[01:05:12] <Jymmm> JT-Shop: nm the shirk film, I think I came up with another packaging solution. will need to test it first =)
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[01:46:44] <Jymmm> pcw_home: PCW I just found this one, no idea on it though http://www.dealextreme.com/p/ultrafire-c2-ha-iii-cree-led-flashlight-3-6v-9v-6177
[01:49:22] <PCW> I bought 2 of the other one so am probably set until I break/lose one
[01:49:43] <Jymmm> PCW: Ah which charger did you get?
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[01:50:10] <PCW> I think it was trustfire Only used once so far
[01:50:12] <tjb1> Would it be better to make the stepper ride with the Z or the carriages?
[01:50:17] <Jymmm> PCW: http://s.dealextreme.com/search/18650+charger
[01:50:27] <tjb1> http://www.youtube.com/watch?v=QJxxAl_QW84
[01:51:24] <PCW> maybe ultrafire (hope it doesn't live up to its name)
[01:51:40] <Jymmm> PCW: these batteries? http://www.dealextreme.com/p/trustfire-protected-18650-3-7v-true-2400mah-rechargeable-lithium-batteries-2-pack-20392
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[01:51:53] <Jymmm> PCW: note the word "TRUE"
[01:52:52] <PCW> Yes noted that some of the higher rated batteries were just better exaggerators
[01:53:21] <Jymmm> PCW: Ok =) It's jsut hard sometimes looking through hundreds to find the real thing.
[01:53:29] <Jymmm> took me a while
[01:54:11] <PCW> maybe even sinister exaggerators http://www.youtube.com/watch?v=5IsW4_NecjY
[01:54:33] <Jymmm> PCW: This is the 18650 charger I have, I doubt it's balanced, but it works (slowly, but I like slow chargers as it increase the lifetime of batteries) http://www.dealextreme.com/p/dsd-18650-cr123a-charger-black-936
[01:57:38] <Jymmm> PCW: I have no idea what you're talking about http://i54.tinypic.com/zloxg.jpg
[01:58:49] <PCW> Well they are solving an immediate economic problem creatively
[02:00:00] <Jymmm> lol
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[02:02:12] <jdhNC> I got a package from DX monday that I had completely forgotten I ordered. 3 pairs of stainless tweezers. No clue why I ordered them back then.
[02:02:25] <Jymmm> PCW: Wait, what? You bought TWO $30 flashlights, and batteries, and charger at the same time without ever seeing the flashlight before?
[02:02:51] <Valen> dx is good like that, its like buying presents for yourself
[02:03:04] <Jymmm> that's $80 of sight unseen gear?!
[02:03:11] <Jymmm> Valen: =)
[02:03:12] <Valen> because by the time you get the package you forget what you ordered so you get a suprise
[02:03:20] <Jymmm> hahahah
[02:03:34] <PCW> Yeah they are a big stepup from the flashlights I had
[02:03:34] <jdhNC> I got the rest of the order a month ago
[02:03:35] <Jymmm> I never forget, too afraid it'll get lost i transit
[02:04:13] <Jymmm> PCW: On my recommendation?
[02:04:42] <Jymmm> jdhNC: usually 21 days
[02:04:46] <Jymmm> to US
[02:05:13] <Jymmm> shorter if its a less that $20 order
[02:06:49] <PCW> not a giant deal either way and they had decent reviews
[02:07:05] <Jymmm> =)
[02:07:28] <jdhNC> usually 5-8 days for me. These were backordered
[02:07:28] <Jymmm> I like the charger I got as if I get a car adapter I can charge it from there too
[02:07:48] <Jymmm> jdhNC: free shipping from HK or US waehouse?
[02:08:47] <Jymmm> DAMN ut of stock in the US warehouse http://www.dealextreme.com/p/ultrafire-th-t60-ha-ii-xm-lt60-5-mode-1200-lumen-white-led-flashlight-with-strap-1-x-18650-900157007
[02:08:55] <jdhNC> yes
[02:09:04] <Jymmm> jdhNC: which one?
[02:09:08] <jdhNC> order it anyway. It will show up some day and be a surprise.
[02:09:10] <jdhNC> both.
[02:09:14] <Jymmm> ah
[02:09:16] <jdhNC> I haven't had teh US one be any faster
[02:09:35] <Jymmm> jdhNC: ah, never tried nothing is in stock I want in US
[02:09:45] <jdhNC> actually the last ones from dx.com ended up shipping from hongkon
[02:10:06] <Jymmm> got a gift card?
[02:10:19] <jdhNC> $3.48 with shipping for a 50pack of condoms. How can you go wrong.
[02:10:24] <jdhNC> never seen a dx gift card
[02:10:44] <Jymmm> jdhNC: Let me count the ways... Wa, Waaaaaaaaaaa, DA DA
[02:11:17] <Jymmm> jdhNC: DA goin after your ass for child support =)
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[04:07:11] <ekacnet> hello
[04:07:18] <tjb1> hello
[04:07:52] <ekacnet> I'm wondering if with a 8i20 I can also have the inputs signal of the encoder
[04:08:37] <ekacnet> or I need a separate card for encoder signals from the servo drive
[04:09:51] <pcw_home> You need separate encoder signals (a 7I52 is an appropriate 6 axis encoder+ 6 channel RS-422 daughtercard)
[04:11:31] <pcw_home> (7I52 is for 50 pin FPGA cards) for 25 pin FPGA cards (5I25 6I25 for now) theres the soon to be released 7I85 (4 enc + 5 RS-422)
[04:13:30] <ekacnet> pcw_home: I'm trying to read the description on the mesa site for 7I52
[04:14:24] <pcw_home> you can download the manual
[04:14:26] <samkan> how can i find the stepconf for panasonic servo motor?
[04:14:59] <samkan> I need to configure emc2 with panasonic servo motor, for that I need to do stepconf, now where can i find the exact details?
[04:15:08] <ekacnet> pcw_home: does it mean that I can hook also up to 6 8i20 to the 7i52 ?
[04:15:08] <pcw_home> you need the drive specs and how its setup
[04:15:17] <pcw_home> Yes
[04:17:24] <ekacnet> pcw_home: so the setup could be emc<->5I20<->7I52<->8I20
[04:17:48] <ekacnet> <->8I20
[04:18:02] <ekacnet> up to six card and 6 encoders
[04:19:55] <pcw_home> yes
[04:21:12] <ekacnet> and then a 7i37 for the switch/home input
[04:22:44] <pcw_home> yes or if you dont use all serial channels, a 7I66-8 or 7I71 etc
[04:25:58] <ekacnet> pcw_home: ok
[04:26:10] <ekacnet> I'm starting to understand a bit
[04:27:12] <ekacnet> but what's the difference between a 7I66-8 and a 7I37 in the specs they looks pretty similar
[04:27:43] <samkan> I have downloaded common specification, but I am not able to derive the value that require for setpconf
[04:28:05] <samkan> can someone please explain me in general with different motor specification
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[04:29:07] <samkan> emc run best with servo or stepper motor?
[04:30:19] <pcw_home> Is this a step/dir servo drive? If so the step/dir timing should be available from the drive specifications
[04:30:21] <pcw_home> the scaling parameters may be variable depending on the drive steps per rotation setting
[04:30:47] <ekacnet> samkan: I have no experience with servo, with stepper it's working but don't expect high number of steps per second if you do direct connection on the parallel port
[04:31:09] <pcw_home> EMC will work fine with either, both have advantages and disadvantages
[04:31:10] <samkan> yes, i do direct connection on paraller port
[04:31:40] <samkan> ok, @pcw_home can you have some example of stepconf with panasonic servo motor?
[04:32:06] <pcw_home> do you have the drive manual?
[04:32:18] <samkan> i have downloaded driver spec but unable to derive the parameter require for stepconf, hence there is big mess in dimention
[04:32:22] <samkan> yes
[04:33:19] <samkan> http://industrial.panasonic.com/ww/i_e/25000/fa_pro_acs_e/fa_pro_acs_e/a4.html
[04:33:27] <samkan> i am using minas a4 series motor
[04:33:44] <samkan> from Driver section i have downloaded common specification
[04:34:16] <samkan> it will be great if someone please explain in terms of other motor driver, I will later derive the spec, like gecko or sherlin motor
[04:34:37] <pcw_home> anyway sleepy time for me.
[04:34:39] <pcw_home> can you post that link and your question on the LinuxCNC forum?
[04:34:40] <pcw_home> Then I (or someone else) can try and help tommorow
[04:34:51] <samkan> If you are using standard motor which driver available in stepconf wizard
[04:35:29] <pcw_home> there are some standard templates but normally you need to understand the parameters
[04:35:36] <pcw_home> bbl
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[04:35:54] <ekacnet> pcw_home: I mean it seems that you get the same functionality out of a 7I66-8 and a 7I37, the later can be connected directly to a anything IO card but otherwise I'm not sure I get the difference between the two card
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[04:38:22] <pcw_home> Easier wiring mostly (and easier expansion if you need more I/O)
[04:39:35] <pcw_home> systems that had to have 2 FPGA cards because of lots of I/O are easily done with one card now (and more and denser I/O cards)
[04:40:36] <ekacnet> ok
[04:40:40] <pcw_home> also low cost FPGA cards like the 5I25 with limited I/O pins can now support more than 400 I/O points in real time
[04:41:26] <ekacnet> pardon my ignorance but what's the impact of I/O point ?
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[04:44:28] <uw> yes just scored 2 air conditioners from the trash that were just dirty, nothing else wrong with them.
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[04:44:32] <uw> sorry just had to tell someone
[04:46:00] <uw> for some reason, half of the knobs are missing from both machines though...
[04:46:14] <uw> welp, good thing i have a cnc machine now
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[04:46:51] <samkan> does emc2 supports engraving? do i will need to confiure Z for engraving,
[04:47:10] <uw> engraving?
[04:47:12] <samkan> I am looking for opensource engraving tool that works with emc2 for all kind of object
[04:47:14] <samkan> yes
[04:47:20] <uw> i mean, it supports a z axis right?
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[04:48:19] <uw> it just an interface for your cnc machine
[04:48:19] <tjb1> engraving is just a milling operation
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[04:48:45] <tjb1> you just need the correct g-code
[04:50:53] <samkan> no, if it will done by X and Y then that's fine
[04:51:05] <samkan> but how can i generate correct g-code
[04:51:59] <samkan> here is the link for text engraving, http://www.linuxcnc.org/index.php/english/component/kunena/?func=view&catid=20&id=20816, but I am looking for all the object, like test, vector..
[04:52:34] <uw> what did you make the deisgn in
[04:52:41] <uw> ?
[04:52:56] <uw> what cad program?
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[04:53:32] <uw> you will most likely need a z axis too lift the bit off the surface
[04:54:35] <tjb1> how can you engrave with just x and y without moving the tool?
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[04:55:23] <tjb1> engraving is just a pocket for wide items or a contour with no offset for cutter width engravings
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[04:55:41] <samkan> Oh, sorry I do not have idea about engraving, was just asking you experts,
[04:55:44] <tjb1> programs that are built for engraving would generate the g-code for a specific design
[04:56:08] <tjb1> well a specific cutting design
[04:56:15] <samkan> ok, is there any program available on opensource
[04:57:18] <tjb1> maybe heekscnc
[04:57:19] <tjb1> http://code.google.com/p/heekscnc/
[04:57:25] <tjb1> never used it
[04:57:32] <tjb1> ive only used mastercam for g-code creation
[04:57:48] <ekacnet> pcw_home: on the 7I52 I can for every RS422 chan hook a 7I66-8 card ?
[04:58:05] <samkan> ok
[04:58:30] <tjb1> if you have a wide letter for instance you could just use a pocketing operation
[04:58:46] <tjb1> if you just want the cutting profile just use like a contour cut with no cutter comp/offset
[04:59:05] <tjb1> May not be called contour in heekscnc
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[05:03:18] <pcw_home> ekacnet: yes
[05:04:25] <ekacnet> pcw_home: thanks a lot for your answers
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[05:05:08] <pcw_home> You can also use 2 7I44s and connect 8 7I70s and 8 7I71s for 384 inputs and 384 outputs (though not with a 5I20 you need a 5I23 or > for this)
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[05:06:26] <pcw_home> really bbl
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[05:49:04] <uw> anybody have any ATC prefrences or recommendations?
[05:49:54] <Jymmm> Air Traffic Control? Fuses?
[05:50:37] <uw> sorrry thought it was a common term
[05:50:42] <uw> automatic tool changer
[05:51:09] <Jymmm> ah
[05:51:40] <uw> http://www.ebay.com/itm/CNC-Sherline-ATC-automatic-tool-changer-complete-system-with-controller-/230765448090
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[05:51:46] <Jymmm> I failed my ATC entrance test by one question! bastards!
[05:51:47] <uw> i like that one but its too much money
[05:51:54] <uw> lol its all good
[05:52:13] <uw> i thought ATC ment "all terrain cycle" before i got into cnc not too long ago
[05:52:26] <uw> like my honda ATC250r i had when i was a kit
[05:52:29] <uw> kid
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[05:52:34] <Jymmm> No it's not, I coulda been a freaked out person controlling thusands of lives flying around in the sky =)
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[05:52:50] <Jymmm> ATV
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[05:55:46] <Jymmm> oh wait, that is EVERY ATC that's ever been =)
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[05:57:04] <Jymmm> uw: $1100 brand new, $600 ebay
[05:58:00] <Jymmm> sherline tool changer http://www.cadcamcadcam.com/toolchanger.aspx
[05:58:31] <uw> yea thats still a little much though
[05:58:44] <uw> i was hoping in the 300-400 range
[05:59:01] <uw> and all i really want is the spindle and 2 tool holders
[05:59:50] <uw> not all of that other stuff
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[06:06:43] <tjb1> http://sphotos.xx.fbcdn.net/hphotos-snc7/599635_3951072131212_1715253635_n.jpg
[06:06:48] <tjb1> what do you think of that
[06:13:24] <Jymmm> cant read it
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[06:15:18] <tjb1> zoom it
[06:17:04] <tjb1> http://a2.sphotos.ak.fbcdn.net/hphotos-ak-ash4/456620_3554314972531_493994145_o.jpg
[06:17:06] <tjb1> oops
[06:25:22] <samkan> is it possible to use engraving with InkScape gcodetools extension?
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[06:28:05] <uw> this channel isnt for that
[06:28:15] <uw> ask people at InkScape
[06:28:27] <samkan> ok
[06:29:27] <uw> tjb1, cool till i got to the arduino part
[06:29:47] <tjb1> dont like arduino?
[06:30:22] <uw> nope!
[06:30:32] <samkan> I am using graster for raster now after doing raster marking If i open some vector file like emc2, then no marking, i can see no value on pwm pin in helscope
[06:30:35] <uw> im guessing those other 2 things are ICs right?
[06:30:38] <tjb1> yeah
[06:30:48] <samkan> is it possible to do vector and raster with the same hal and ini file
[06:30:51] <Jymmm> samkan: uw Well, inkscape won't know, but most here are not using inkscape plugins for engravng, but it is potentially possible.
[06:30:54] <tjb1> does that look good to you?
[06:31:33] <samkan> I just read the thread over here..
[06:31:50] <uw> tjb1, I'm not sure what the dc/dc supply is
[06:31:51] <samkan> heekscns sounds good, heading to download it..
[06:31:55] <Jymmm> samkan: Raster? That is all up to your cad/graphics program, not really a CAM/cnc controller thing. All emc knows is gcode.
[06:32:14] <tjb1> its a isolated dc
[06:32:44] <samkan> yes, graster understand graphics and generate gcode out of it
[06:32:49] <Jymmm> tjb1: cant read it, post a clear one if you want others to view such things
[06:33:01] <uw> tjb1, so it that for boosting?
[06:33:21] <tjb1> isolates the arduino from that iso amp plasma cutter side
[06:33:38] <uw> why is the Vin+ connected to the Vin-?
[06:33:39] <samkan> emc2 understand gcode, it loads the graphics , but after raster images i am not able to do vector things
[06:34:20] <Jymmm> samkan: Again, not an emc/cam thing. thats YOUR grpahics/cad program.
[06:34:23] <tjb1> voltage divider uw
[06:34:48] * Jymmm chuckles... plasma isolation, tha'ts like saying isolating the salt from the ocean =)
[06:34:55] <uw> i cant really wrap my head around this, do you have a schematic?
[06:35:00] <tjb1> no
[06:35:01] <tjb1> lol
[06:35:20] <samkan> ok
[06:36:31] <tjb1> the dc/dc isolates the plasma side from the arduino
[06:36:37] <tjb1> because I cant get a common ground
[06:37:12] <tjb1> the 2k resistor steps the 7v down to 3.5 for the arduino
[06:37:27] <tjb1> the iso amp is isolating the plasma voltage from the analog input
[06:37:46] <uw> from this picture, i have no idea how the 2k resisitor does such a thing
[06:37:57] <uw> or what pin 6 and 5 are?
[06:38:00] <tjb1> there is a 2k resistor in the plasma cutter
[06:38:10] <uw> are you sure you couldnt make a schematic?
[06:38:12] <tjb1> pins 5 and 6 are the arc voltage output from the plasma cutter
[06:38:21] <samkan> for gecko540 i found the stepconf value, is it such available for panasonic servo motor? i am using panasonic servo motor but there is calibration problem?
[06:38:38] <samkan> means drawing size differ than actual
[06:38:52] <tjb1> Whats wrong with the current one uw :P
[06:39:12] <samkan> it is somehting like normal not realtime
[06:39:39] <uw> yes sure its a calibration problem
[06:39:58] <tjb1> What do you want in my schematic
[06:39:59] <uw> tjb1, maybe it's just late lol. it looks like a bunch of block diagrams
[06:40:07] <tjb1> it was done in draftsight
[06:40:14] <tjb1> i was tired of working on the damn thing lol
[06:40:15] <uw> what is the iso amp?
[06:40:24] <uw> just a comparitor or ??
[06:40:28] <tjb1> to isolate all of that garbage from the arduino
[06:40:40] <tjb1> those 2 chips are like a dividing line
[06:40:45] <tjb1> :P
[06:41:00] <uw> wo where is the +5v commming from , the arduino?
[06:41:01] <samkan> how can i get perfect stepconf value ?
[06:41:05] <tjb1> yes
[06:41:21] <samkan> i downloaded driver spec, but unable to do stepconf with that !
[06:41:23] <uw> so thats powering the dc/dc supply
[06:41:26] <tjb1> yes
[06:41:59] <uw> do you have a data sheet for this "iso amp"
[06:42:38] <tjb1> http://www.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=ACPL-782T-000E
[06:43:42] <uw> ouch this little 8-DIP is $12?
[06:43:49] <tjb1> yeah
[06:44:02] <tjb1> the dc/dc is like $11
[06:44:14] <uw> yea thats another yolo
[06:44:23] <tjb1> yolo?
[06:44:25] <uw> so that stepps it up?
[06:44:30] <uw> the dc/dc?
[06:44:36] <tjb1> isolates it
[06:44:55] <uw> isnt there a cheaper way to do this?
[06:45:11] <uw> maybe with opticoupler and some gain transistors?
[06:45:26] <tjb1> im sticking with this
[06:45:29] <tjb1> ive had enough of this thing
[06:45:36] <tjb1> and i actually understand this :P
[06:45:45] <tjb1> and its still cheaper than the $600 dthc
[06:45:58] <uw> well, in that case, what are you waiting for?
[06:47:11] <uw> hmm ive never used this crazy isolation amplifier before. kinda neat device
[06:47:23] <Jymmm> what about a relay?
[06:47:27] <uw> for $12 though i dunno
[06:50:49] <tjb1> what am I waiting for?
[06:51:11] <uw> im sticking with thisand i actually understand this :P
[06:51:30] <tjb1> i dont have a table yet :P
[06:51:35] <uw> also so the plasma front is input to this iso amp?
[06:51:51] <tjb1> plasma front?
[06:52:00] <uw> pins 6 5
[06:52:06] <uw> i dunno what youd call it
[06:52:08] <tjb1> they are the arc voltage
[06:52:27] <uw> ok that is input to this iso amp?
[06:52:39] <tjb1> yes
[06:52:45] <tjb1> after it goes through the voltage divider
[06:53:08] <uw> i dont think that 2k resitor is deviding anything
[06:53:17] <tjb1> I explained this
[06:53:27] <tjb1> its working off the 2k resistor inside the plasma cutter :P
[06:53:59] <uw> which, doesnt happen to be in this drawing...
[06:54:09] <tjb1> yeah because I know its there
[06:54:15] <tjb1> and so do you
[06:54:17] <tjb1> :P
[06:54:35] <tjb1> http://sphotos.xx.fbcdn.net/hphotos-ash4/319786_3951014329767_1013097695_n.jpg
[06:54:38] <tjb1> there you go
[06:54:39] <uw> what else "do you know it's there" that isnt there in this drawing?
[06:54:47] <tjb1> the plasma cutter
[06:56:30] <uw> but it still that Vin+ is going to get slammed down by the short to Vin-
[06:56:38] <tjb1> its not a short
[06:56:41] <tjb1> its a voltage divider :P
[06:57:18] <uw> whats that soild line going from Vin+ to Vin-
[06:57:44] <tjb1> thats where it pulls the divided voltage
[06:58:17] <Jymmm> Well crap, I guess I have to make a heater after all =(
[06:58:37] <uw> so youre saying Vin+ will have a different value than Vin-?
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[06:58:50] <tjb1> do you know how voltage divider works?
[06:59:06] <uw> yes
[06:59:24] <uw> if you are saying, Vin+ is going to be different than Vin-, you are wrong
[06:59:25] <uw> flat out
[06:59:29] <uw> no way
[06:59:47] <tjb1> goes pin 6 ---/\/\/\/\ ----Vin------pin 5---/\/\/\/\
[07:00:22] <uw> but ill give you this, youd make a great manager
[07:00:38] <Jymmm> rotf
[07:00:41] <uw> or director level, cause i almost believed you
[07:01:03] <Jymmm> uw: Of marketing or sales dept?
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[07:01:31] <tjb1> well its a voltage divider...
[07:01:35] <uw> either one. Heck, even director of engineering at some places i work
[07:01:44] <uw> there is a voltage divider there
[07:01:46] <Jymmm> uwe_: you poor bastard
[07:01:51] <uw> but not between Vin+ and Vin-
[07:02:05] <tjb1> Vin- is ground
[07:02:14] <uw> so is Vin+
[07:02:40] <uw> careful tjb1, you lose mad credibility this way...
[07:02:45] <DJ9DJ> moin
[07:02:48] <tjb1> I didnt draw it.
[07:02:50] <tjb1> Well I drew it
[07:02:53] <tjb1> I didnt come up with it
[07:03:23] <uw> aahhh i see...
[07:03:31] <uw> yes you would make an EXCELLENT manager
[07:03:45] <tjb1> So you have no input on how to fix it?
[07:03:51] <Jymmm> and he peddles forward, then peddles backwards... come watch the amazing tjb1 the backpeddling wonder of the voltage divider world!!!
[07:04:04] <Jymmm> tjb1: ;)
[07:04:09] <tjb1> yeah funny funny
[07:04:18] <Jymmm> Yeah, it really is =)
[07:04:29] <uw> haha first i would get rid of the line between Vin+ and Vin-
[07:04:45] <tjb1> so how do you propose I get the voltage from 7 to 4
[07:05:37] <uw> is pin 6 going to be +7v?
[07:06:25] <mrsun> hmm, wonder how the quality of the china hss tooling is ... hss bar stock
[07:06:31] <tjb1> pin 6 to pin5 is 7v
[07:06:53] <uw> ok so pin 5 would be groundd...0v
[07:07:02] <uw> pin 6 would be +7v
[07:07:20] <uw> then that line between Vin+ and Vin- needs to be a resistor
[07:07:22] <tjb1> so I need another voltage divider outside ??
[07:07:41] <uw> if you made it 2k, Vin+ would be 3.5v
[07:07:58] <tjb1> is it safe to make it 5v...
[07:08:26] <uw> whoa whoa i have no idea here... pin 6 is 7v right?
[07:09:04] <tjb1> yes.
[07:09:19] <tjb1> the reason it was stepped to 3.5 was to allow "safety overhead"
[07:09:32] <tjb1> because the max input voltage of the arduino is 5v
[07:10:31] <tjb1> Looking at the diagram I think that 5 is the positive voltage
[07:10:34] <tjb1> and 6 is ground
[07:11:28] <tjb1> Is it?
[07:12:09] <uw> from the white background drawing it looks like 6 is + and 5 is -
[07:13:38] <uw> alright got to go to bed
[07:13:47] <uw> have a real job that i get paid to do tomorrow lol
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[07:42:07] <heathmanc> so, if a person wanted to use dual feedback with a 5i20 and 7i77, what would they need for an additional card?
[07:44:44] <heathmanc> just a 7i52?
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[07:52:58] <mrsun> for reaming, say a 12mm hole, what size of drill should i use before? :)
[07:53:05] <mrsun> 11.8 ? 11.9 ?
[07:54:18] <mrsun> only finding 11.8
[07:54:21] <mrsun> or 11.5
[07:55:27] <alex_joni> heathmanc: how many axes?
[07:55:41] <heathmanc> 3
[07:56:07] <heathmanc> i'm using 4 of the inputs on the 7i77, so it's not an option
[07:56:42] <alex_joni> you use the 7i77 on the 5i20?
[07:56:51] <alex_joni> or on a 5i25?
[07:56:53] <heathmanc> yes
[07:56:57] <heathmanc> 5i20
[07:57:05] <heathmanc> damn, i mean 7i48
[07:57:17] <heathmanc> must need some sleep
[07:57:53] <alex_joni> the 7i48 has 6 DAC and 6 encoder interfaces
[07:58:04] <alex_joni> isn't that enough for 2 x 3 ?
[07:58:06] <heathmanc> yes, and i'm using 4 of the encoder interfaces
[07:58:14] <heathmanc> got a spindle encoder
[07:58:42] <alex_joni> ahh, ok, it slowly clears up :D
[07:58:47] <heathmanc> i'm sorry
[07:59:33] <alex_joni> don't be ;) clearing up is always good
[08:00:07] <alex_joni> 7i52 sounds like a good fit
[08:00:18] <heathmanc> is it supported by emc?
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[08:08:32] <alex_joni> heathmanc: now that beats me ;)
[08:10:02] <alex_joni> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Mesa_Cards
[08:10:14] <alex_joni> says there fully supported ;)
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[08:18:52] <Jymmm> alex_joni: you're alive, I'll be damned
[08:21:51] <alex_joni> barely
[08:22:13] <Jymmm> heh
[08:22:22] <alex_joni> mostly still asleep :D
[08:23:11] <heathmanc> i'm assuming you can't use the pnfconf wizard when using that card
[08:23:54] <heathmanc> looks like it's time to dive in, this is my first emc experience
[08:24:49] <Jymmm> alex_joni: you dont do anything with plastics do you?
[08:24:52] <alex_joni> heathmanc: have a good one :)
[08:25:08] <alex_joni> Jymmm: like blow-up dolls? nope
[08:25:22] <heathmanc> you don't know what you're missing
[08:25:29] <Jymmm> alex_joni: like mold injection, extrusion
[08:25:33] <alex_joni> nope
[08:25:48] <alex_joni> nothing yet
[08:25:55] * alex_joni prefers metal
[08:26:18] <Jymmm> I don't know if I need a chemist or an engineer
[08:29:14] <alex_joni> there are people who are both..
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[08:30:11] <Jymmm> mostly dealign with polymers and hydrocarbon materials
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[08:44:32] <micges> heathmanc: 7i52 is for sure supported by linuxcnc
[08:44:56] <micges> (just checked source code)
[08:45:14] <heathmanc> is there a specific firmware i need for the 5i20/7i48/7i52 combo?
[08:46:10] <micges> you need 7i48 and 7i52 together?
[08:46:25] <heathmanc> yes, dual feedback, using 4 channels on the 7i48
[08:46:52] <micges> dual feedback on how many axes?
[08:46:56] <heathmanc> 3
[08:47:09] <micges> so you need 7 encoders 3 pwms?
[08:47:33] <heathmanc> yes, plus availablity for an A axis
[08:47:38] <heathmanc> so 8 encoders, 4 pwm
[08:48:21] <heathmanc> one of those 8 is a spindle encoder
[08:48:51] <micges> 5i25 + 2 x 7i77 is best price
[08:48:59] <micges> but if you want 5i20
[08:49:06] <heathmanc> i already have a 5i20 in the mail
[08:49:26] <micges> I see
[08:49:26] <heathmanc> the 5i25 wasn't available
[08:49:34] <heathmanc> on a 3 week backorder
[08:49:55] <micges> you're from usa?
[08:50:03] <heathmanc> yes
[08:50:06] <micges> ok
[08:50:17] <heathmanc> just not in the usa right now
[08:50:55] <micges> ah I remember - afghanistan
[08:51:07] <heathmanc> yes
[08:51:16] <heathmanc> i just want to have all the toys on hand i need when i get home
[08:54:43] <micges> best price would be 2 x 7i33
[08:55:26] <micges> you have drivers +-10V ?
[08:55:35] <heathmanc> yes, allen bradley ultra 3000 drives
[08:55:54] <heathmanc> not concerned about the price, and i already have a 5i20 and a 7i48
[08:56:31] <heathmanc> all i need is the encoder inputs
[08:57:07] <micges> if price doesn't matter, think what you will need in future
[08:57:27] <heathmanc> this is for a taig mill.. it's already overkill
[08:57:38] <heathmanc> then i should just get another 7i48
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[08:59:16] <micges> you need also 7i37
[08:59:40] <heathmanc> i have the 7i37
[08:59:47] <heathmanc> using it for the 24v field i/o
[09:00:25] <mrsun> hmm, H7 is 0.0018 oversize? :/
[09:00:35] <mrsun> mm that is
[09:00:37] <mrsun> at 10mm
[09:01:09] <micges> heathmanc: ok so you know what you want
[09:01:26] <heathmanc> lol, or at least i think i do
[09:01:35] <micges> now you should check if 2x 7i48 fits 5i20 firmware
[09:02:09] <heathmanc> that's where the confusion begins
[09:02:34] <micges> you talked with PCW?
[09:02:44] <heathmanc> no i haven't
[09:03:27] <heathmanc> i think it fits, in the pnfconf, there is a sv12_2x7148_72 option
[09:03:29] <mrsun> my casting is a fail due to oversized hole :/
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[09:04:37] <micges> yes I see that firmware
[09:04:50] <heathmanc> looks like it would work
[09:05:12] <heathmanc> any suggestions for a good mpg setup?
[09:08:12] <heathmanc> would i just be better suited to put in a pci parallel card and get a cnc4pc pendant?
[09:08:15] <Tom_itx> http://www.pmdx.com/MPG-01
[09:08:29] <Tom_itx> i made my own
[09:08:53] <Tom_itx> seems they're always out of stock on that now though
[09:09:13] <heathmanc> that's my luck
[09:11:05] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/pendant8.jpg
[09:12:25] <heathmanc> looks nice
[09:13:18] <Tom_itx> made from some surplus stamped aluminum box i found
[09:13:28] <heathmanc> so, in emc, i would need an input pin for each axis, and one for each division
[09:13:54] <Tom_itx> yes
[09:13:59] <Tom_itx> sort of
[09:14:01] <heathmanc> a separate input for each on the 7i37
[09:14:14] <Tom_itx> one division is on by default so you really only need 2 iirc
[09:14:23] <heathmanc> so 4 axis, plus 3 increments
[09:14:26] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/pendant.jpg
[09:14:29] <heathmanc> ok
[09:14:44] <heathmanc> so 6 pins for a pretty plain setup
[09:14:58] <heathmanc> plus estop
[09:15:01] <Tom_itx> something like that
[09:15:56] <Tom_itx> just depends what you want on it
[09:16:53] <Tom_itx> spindle, pause, estop, axis, division, mpg is what i have i think
[09:19:26] <heathmanc> http://www.cnc4pc.com/Store/osc/product_info.php?cPath=40&products_id=321
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[09:19:44] <heathmanc> i would like to be able to integrate something like that, non usb of course, using the mesa
[09:19:58] <heathmanc> even if i have to add another one
[09:20:10] <Tom_itx> that one is usb isn't it?
[09:20:29] <heathmanc> yes, but i don't want to use this one, just something similar
[09:23:57] <heathmanc> the 7i73 seems perfect
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[09:44:31] <heathmanc> Ok, so big question of the day, how do i get a firmware for a 5i20, 1x7i44, 1x7i37, 1x7i44, 2,7i73
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[09:51:07] <cylly2> re @ home
[09:51:14] cylly2 is now known as Loetmichel
[09:51:16] <Loetmichel> re @ home
[09:51:43] <Loetmichel> ahem, re @ work...
[09:51:58] <heathmanc> lol
[09:52:18] <Loetmichel> wromg /amg ;-)
[09:53:09] * micges bbb
[09:53:12] <heathmanc> where can a person find custom configuration firmwares?
[09:53:28] <heathmanc> hardware combinations
[09:55:43] <micges> you must compile it yourself
[09:56:07] <micges> http://git.linuxcnc.org/gitweb?p=hostmot2-firmware.git;a=summary
[09:58:07] <heathmanc> ouch
[09:58:26] <heathmanc> i'm not new to linux, but also haven't been using it for several years
[09:59:58] <heathmanc> so, in order to use all of the cards i have together, i have to complile a new firmware?
[10:02:44] <micges> when you order rest of boards, ask them for firmware you want
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[10:53:35] <jthornton> heathmanc, if you catch pcw on here he might have what you need all ready
[10:54:31] * jthornton can't believe I slept so late today...
[10:54:33] <heathmanc> i'll be on the lookout
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[12:01:14] <jthornton> anyone have an actual mack xml file from a mill laying about that they can post to filebin?
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[14:06:51] <heathmanc> Anybody with any pokeys experience?
[14:07:15] <heathmanc> or different membrane type keypads
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[14:50:37] <Jymmm> pokeys?
[14:52:30] <Jymmm> as in slang for jail?
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[14:54:32] <heathmanc> Lol, i wan't to make an operator panel and need some membrane type keypads for it. I don't want to use the pokeys brain though
[14:54:52] <Jymmm> what is "pokeys" though?
[14:55:56] <heathmanc> http://www.cnc4pc.com/Store/osc/index.php?cPath=54&osCsid=82f25eee7ba6c42d4db852750fb8fd08
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[14:57:05] <joe9> ReadError: which pc did you buy for the linuxcnc?
[14:57:25] <joe9> where did you buy it from? my pc just died/fried. need a new one. any suggestions/recommendations?
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[14:58:15] <skunkworks> newegg usually has some pretty good deals
[14:58:21] <skunkworks> watch for free shipping also
[14:58:51] <joe9> ok, thanks. will check it out. is the Intel Atom D525MW still the most recommended pc for linuxcnc?
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[15:00:39] <Jymmm> heathmanc: http://www.ultimarc.com/ipac1.html
[15:01:10] <Jymmm> heathmanc: and has screw terminals
[15:02:17] <Jymmm> heathmanc: Once programmed, no software or drivers are needed as it emulates a usb/ps2 keyboard
[15:02:26] <heathmanc> that's slick
[15:02:49] <Jymmm> heathmanc: You can also pass-thru a real keyboard on soem models
[15:03:00] <heathmanc> but honestly, i'm looking for something more on the industrial side, if i could find an older panel to retro
[15:03:09] <heathmanc> but i've got some ideas for the ipac
[15:03:15] <heathmanc> for a different project
[15:03:16] <Jymmm> heathmanc: Can I ask why?
[15:03:33] <Jymmm> the dedicated buttons that is
[15:03:37] <skunkworks> heathmanc: Touch screen and the 'touchy' gui?
[15:03:58] <Jymmm> heathmanc: what skunkworks said as one idea
[15:04:32] <skunkworks> doesn't require a keyboard - but you do need a minumum amount of hardware buttons.
[15:04:56] <skunkworks> and a jog wheel I think
[15:05:08] <Jymmm> heathmanc: Hell, even one of these http://www.dealextreme.com/p/foldable-flexible-compact-waterproof-usb-silicone-keyboard-color-assorted-85-keys-55897
[15:05:09] <heathmanc> that would work, I ordered a 7i44 and 7i73 for a membrane type setup, but i have an industrial 15" touchscreen
[15:06:00] <Jymmm> heathmanc: or this http://www.dealextreme.com/p/usb-ps2-black-ultraslim-flexible-washable-dustproof-keyboard-indestructible-1845
[15:06:15] <heathmanc> is touchy fairly configurable?
[15:08:18] <ReadError> joe9: yea atom d525
[15:08:28] <joe9> ReadError: where did you buy it from?
[15:08:32] <ReadError> got it from amazon
[15:08:35] <ReadError> since i have prime
[15:08:37] <ReadError> 3.99 overnight
[15:08:53] <joe9> ReadError: do you know if it supports coreboot (bios)?
[15:08:59] <cradek> keyboard emulators make a lousy control panel. you have all the issues of mouse focus, which window is on top, etc. halui is a much better solution.
[15:09:09] <joe9> i could not find anything on the coreboot website.
[15:09:12] <ReadError> not sure joe9
[15:09:19] <Jymmm> joe9: http://www.newegg.com/Product/Product.aspx?Item=N82E16813121442
[15:09:20] <ReadError> never messed with coreboot
[15:09:23] <heathmanc> i don't really want to use a keyboard umulator, that's why i got the 7i73
[15:09:28] <heathmanc> two of them actually
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[15:09:38] <joe9> Jymmm: thakns.
[15:09:40] <joe9> thanks
[15:09:48] <skunkworks> heathmanc: I have not used touchy.. cradek wrote it though... ;)
[15:09:55] <Jymmm> joe9: or if yu want somethng really slick....
[15:10:29] <skunkworks> cradek: are you using touchy on your lathe?
[15:10:34] <joe9> ReadError: no latency issues, I presume.
[15:10:41] <ReadError> joe9: nope
[15:10:41] <Jymmm> joe9: Runs on 8-19VDC DIRECTLY and is only 3/4" tall, but only a PCIe 1x slot http://www.mini-box.com/Intel-DN2800MT-Mini-ITX-Motherboard
[15:10:46] <joe9> Jymmm: ok, thanks.
[15:10:52] <ReadError> but browseing youtube and stuff is pretty slow
[15:10:54] <cradek> skunkworks: not yet
[15:10:59] <ReadError> compared to the core2duo i had before
[15:11:10] <ReadError> but latency is really low
[15:11:16] <joe9> ReadError: i just want it to be a headless machine. so no youtube for me on that.
[15:11:52] <ReadError> oh yea
[15:11:55] <ReadError> it will work well than
[15:12:22] <joe9> Jymmm: love that concept of using DC jack's. makes things so much more easier.
[15:12:23] <ReadError> i had just upgraded the ram in my macbook
[15:12:28] <ReadError> so i had 4gb to put in it
[15:13:04] <Jymmm> joe9: Yeah =) Thee is also an on-board molex connector so you dont have to run power out of the rear coaxal jack too
[15:13:16] <pcw_home> heathmanc: if you want a 7I44 you are better off with a 5I23, as the 5I20 does not have enough space for 8 sserial channels plus the servo control
[15:13:17] <Jymmm> they are electrically the same
[15:13:49] <heathmanc> ouch
[15:14:15] <heathmanc> so 3 ports won't run the 7i48, 7i37, and 7i44
[15:14:48] <joe9> Jymmm: that "Intel DN2800MT Mini-ITX" is just $40
[15:14:51] <pcw_home> not with all 8 sserial channels (probably OK with 4)
[15:15:02] <heathmanc> i'm only going to use two channels at most
[15:15:05] <Jymmm> joe9: link?
[15:15:25] <heathmanc> and probably only one realistacly
[15:15:26] <joe9> Jymmm: sorry, that was the case.
[15:15:33] <Jymmm> joe9: =)
[15:15:52] <Jymmm> joe9: But if you DO find it for $40 let me know =)
[15:16:01] <joe9> ok, will do.
[15:16:36] <Jymmm> joe9: It has an LVDS connector on it too. and I have a 17" dead laptop that would be perfect for gutting =)
[15:16:36] <heathmanc> pcw_home: BTW, do you have a firmware for a setup like that?
[15:17:03] <joe9> Jymmm: what is the use of an LVDS connector?
[15:17:12] <joe9> if you do not mind me asking.
[15:17:19] <Jymmm> joe9: Direct LCD panel connection
[15:17:28] <joe9> oh, ok. thanks.
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[15:20:17] <Jymmm> You know what would be slick... Using a 7 or 10" Android tablet as a "touch screen" =)
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[15:22:47] <joe9> ReadError: do you know if yours has a slot for the IDE cable?
[15:22:56] <joe9> the parallel port IDE, I mean.
[15:23:00] <Jymmm> joe9: IDE?!
[15:23:11] <Jymmm> IDE is ancient HDD =)
[15:23:26] <joe9> i have a bunch of IDE disks around.
[15:23:35] <Jymmm> joe9: No
[15:23:41] <Jymmm> joe9: No No No
[15:23:51] <Jymmm> joe9: Just say No to ide!
[15:24:01] <joe9> ha ha..
[15:24:34] <Jymmm> joe9: If/when you have to replace it, you probably won't find one.
[15:24:48] <joe9> i read that I should make sure that the Parallel Port is EPP capable to run with linuxcnc. Is that correct?
[15:24:50] <Jymmm> joe9: If you are going to buy a new mobo, get sata
[15:24:55] <ReadError> joe9: nope
[15:24:57] <ReadError> no ide
[15:25:17] <ReadError> it does support EPP
[15:25:37] <joe9> http://www.mini-box.com/Intel-D2500HN-Mini-ITX-Motherboard is priced cheaper than the http://www.amazon.com/Intel-Dual-Core-Mini-ITX-Motherboard-BOXD525MW/dp/tech-data/B0041RSC94/ref=de_a_smtd/175-1978493-1927128
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[15:27:41] <joe9> sorry, wrong cost. i am having trouble with newegg and links.
[15:27:47] <joe9> need to switch to firefox.
[15:29:18] <Jymmm> joe9: If you are going to get a mobo that nobody has tested here for latency, at least check out newegg's reviews for it.
[15:29:33] <joe9> good idea. thanks.
[15:32:44] <Connor> okay, so is there a way to get touchy to show the simulated paths like axis does ?
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[15:34:52] <ReadError> joe9
[15:35:00] <ReadError> the benefit to the d525, is its tried and true
[15:35:12] <ReadError> known compatability and low latency
[15:35:23] <joe9> yeah, that makes sense. i am better off sticking with it.
[15:35:29] <joe9> what about the PSU?
[15:35:32] <ReadError> also regarding the HD issue
[15:35:45] <ReadError> you could always run it on a 16gb flash drive
[15:35:52] <ReadError> since i doubt much i/o is going to take place
[15:35:59] <ReadError> maybe even 8 if you strip it down
[15:36:09] <ReadError> i use an old ATX PSU/CASE
[15:36:34] <joe9> ReadError: regarding the psu, no issues with psu connectors?
[15:36:45] <joe9> i have a few psu's lying around.
[15:36:45] <ReadError> nope
[15:36:54] <joe9> cool, thanks.
[15:36:55] <ReadError> its an olllllld antec PSU
[15:36:59] <ReadError> but still has a p4 plug
[15:37:17] <ReadError> now, the switch pinout is a bit different
[15:37:30] <ReadError> but it will still work
[15:37:38] <ReadError> i think HD LED i didnt have plugged in..
[15:38:20] <joe9> ReadError: how much ram did you put in there?
[15:38:26] <ReadError> 4gb
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[15:44:39] <skunkworks> Connor: I think can creat a tab with the preview from axis. Look at the glade examples in the sample configs
[15:45:01] <Connor> okay. That's what I was thinking.
[15:45:34] <skunkworks> in the glade sample configs - there is a touchy config with a 'plot' tab
[15:45:42] <Connor> requires external controls to do cycle start/stop and jog..
[15:45:57] <skunkworks> yes
[15:48:21] <Tom_itx> progress: http://tom-itx.dyndns.org:81/~webpage/cnc/psu/control2.jpg
[15:51:27] <Jymmm> Tom_itx: you had to remount the caps???
[15:51:40] <Jymmm> oh the xmfrs too =(
[15:53:06] <Tom_itx> it was planned that way
[15:53:10] <Tom_itx> the first was test
[15:53:16] <Jymmm> Tom_itx: what is that pcb just above teh terminal strip for?
[15:53:37] <Tom_itx> 5v smps for the mesa cards
[15:53:45] <Jymmm> amp?
[15:53:51] <Tom_itx> 2.5-3
[15:53:56] <heathmanc> which cards are you using?
[15:53:57] <Jymmm> VR?
[15:54:11] <Tom_itx> ?
[15:54:18] <Jymmm> voltage regulator?
[15:54:21] <Tom_itx> voltage regulator or variable regulation?
[15:54:23] <Tom_itx> yes
[15:54:27] <Jymmm> k
[15:54:30] <Tom_itx> takes 25v down to 5
[15:54:34] <Jymmm> ah
[15:54:52] <Tom_itx> i had to tap in at the centertap because the input to it wouldn't take the full 50v
[15:55:02] <Tom_itx> that's what the extra cap in the middle is for
[15:55:10] <Tom_itx> but it's gonna get remounted too
[15:55:11] <Jymmm> ah
[15:55:21] <Tom_itx> there's a diode in the wire
[15:55:23] <Jymmm> I liked the C-Channel perosnally
[15:55:48] <Tom_itx> this has been made from 80% recycled materials
[15:55:55] <Tom_itx> surplus anyway
[15:56:06] <Jymmm> Did you HAVE to recycle the beige paint too? lol
[15:56:15] <Tom_itx> i don't like that either
[15:56:20] <Jymmm> =)
[15:56:24] <Tom_itx> it was a control box for some UV equipment
[15:56:35] <Jymmm> and you dont have any spray paint?
[15:56:36] <Tom_itx> from califor i a
[15:56:44] <Tom_itx> purple
[15:56:52] <Jymmm> hey, whatever works =)
[15:57:07] <Jymmm> pink for all I care, but not beige!
[15:57:20] <Tom_itx> it was originally grey
[15:57:27] <Jymmm> and it's not even a nice beige either
[15:57:31] <Tom_itx> you can see where i swapped the hinges to the other side
[15:57:35] <Jymmm> grey I think would have been better
[15:57:45] <Jymmm> ah, yeah
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[15:58:10] <Tom_itx> i'll go have it powder coated just for you
[15:58:40] <Jymmm> It just looks so, um, aged (?) with that color. Something from the 70's
[15:58:41] <Tom_itx> i think i'll go with the old Gateway box paint job
[15:58:48] <Tom_itx> the 'cow' theme
[15:59:04] <Jymmm> cammo-cow!
[15:59:31] <Jymmm> kinda like "whers waldo", but bovine themed!
[15:59:57] <Tom_itx> i bit the bullet on the wire today
[16:00:02] <Tom_itx> i'll start on that later on
[16:00:10] <Jymmm> Tom_itx: hello ebay!
[16:00:17] <Jymmm> or CL
[16:00:51] <Jymmm> Tom_itx: I see the fan, but where's the vent?
[16:01:01] <Tom_itx> not cut yet
[16:01:09] <Tom_itx> or i may get some feet and use the bottom holes
[16:01:13] <Jymmm> gotcha. Looking good =)
[16:01:36] <Tom_itx> i'm thinking the holes would be a natural repurpose for a vent
[16:01:59] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/psu/box1.jpg
[16:02:10] <Tom_itx> right under the transformers
[16:02:33] <Jymmm> perfect, but add a filter
[16:02:56] <Jymmm> no need for it looking like the inside of a PC after a coule of years
[16:03:15] <Tom_itx> that's why i got a 5hp 80 gal compressor
[16:03:24] <Jymmm> just something you can get off the shelf at the big orange or blue borg
[16:03:41] <Jymmm> yeah but you'll get lazy and not use =)
[16:04:04] <Tom_itx> i got some of the white ones
[16:04:15] <Jymmm> there ya go
[16:04:28] <Tom_itx> more 'cloth' to them than the cheapos
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[16:04:57] <Jymmm> could even make a bracket so it just slides in/out like on HVAC unts
[16:05:18] <Jymmm> less chance for being too lazy to replace it =)
[16:05:21] <Tom_itx> i said i'd put one in, i didn't say i'd change it
[16:06:05] <Jymmm> I know =) I'm think ahead here. "Oh I dont want to change the filter, I need a wrench and it's 2 feet out of reach on that bench over there"
[16:06:43] <Tom_itx> i don't see why this box wasn't moisture rated. it's got a rubber seal on the door
[16:07:00] <Jymmm> it has holes in it? lol
[16:07:18] <Tom_itx> they had water tight connectors in them when i got it
[16:07:24] <Jymmm> ah
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[16:34:21] <joe9> ReadError: just wanted to check with you on this. http://www.amazon.com/gp/product/B002YUBVES/ref=ox_sc_act_title_1?ie=UTF8&m=ATVPDKIKX0DER do you think this will work with the Intel D525
[16:34:34] <joe9> I see the word "Laptop" in the product description.
[16:34:51] <Jymmm> joe9: newegg
[16:34:56] <joe9> and I am not sure if it will work with the
[16:34:57] <Jymmm> joe9: GO NOW
[16:35:16] <Jymmm> joe9: READ REVIEWS
[16:35:17] <joe9> Jymmm: checked out newegg. but, with a .edu address, it appears that amazon is a better deal.
[16:35:22] <joe9> Jymmm: oh, ok. thanks.
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[16:35:58] <Jymmm> joe9: you dont have to BUY from newegg, just READ the technical details at newegg
[16:39:48] <joe9> the ram spec for the atom says it is "DDR3 800"
[16:40:36] <Tom_itx> yup
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[16:58:58] <uw> hmm DDR3 800?
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[17:01:19] <Tom_itx> http://www.newegg.com/Product/Product.aspx?Item=N82E16820139220
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[17:02:00] <IchGuckLive> HI all around the green Globe
[17:02:10] <Tom_itx> it's mostly blue
[17:02:29] <Jymmm> PCW: You know what, I think I'm going to get this http://www.dealextreme.com/p/car-cigarette-powered-dual-usb-adapter-charger-black-2a-max-dc12v-58012 then make a USB to coaxial adapter cord for this charger (which I already have one) http://www.dealextreme.com/p/dsd-18650-cr123a-charger-black-936 Then I can charge from wall, laptop/pc, or car
[17:02:41] <IchGuckLive> politishen and manager think different about the color
[17:03:16] <Jymmm> PCW: It's not a balanced charger, but it works.
[17:03:30] <Jymmm> PCW: and fits protected cells
[17:03:47] -!- DJ9DJ [DJ9DJ!~Deejay@unaffiliated/dj9dj] has joined #linuxcnc
[17:04:09] <DJ9DJ> re
[17:04:15] <Jymmm> er
[17:04:26] <Jymmm> reer!
[17:04:30] <DJ9DJ> deer?
[17:04:36] <DJ9DJ> or did you mean beer?
[17:04:38] <Jymmm> BEER!
[17:04:41] <DJ9DJ> hehe
[17:04:56] <Jymmm> NEER BEER???
[17:06:03] <archivist> http://i.imgur.com/PoC9bl.jpg
[17:06:16] <Jymmm> lol
[17:06:20] <Jymmm> archivist++
[17:06:58] <DJ9DJ> lol
[17:07:54] <IchGuckLive> Question on ELKO near the Driver someone has good experiance on that or live it on the meanwel powersorce internal elkos
[17:08:30] <ReadError> archivist: thats in atlanta ;)
[17:08:40] <IchGuckLive> i got 5 4,2A stages running al at the same time at 500W
[17:09:04] <IchGuckLive> meanwell powersorce leadshine 542
[17:14:03] <IchGuckLive> pcw problem with the 5i25 7i76 setup the leadshine takes a driver enable signal ,As i on 12V Vin for the PNP indicators for in output THERE are only STEPDIR on 5V available
[17:14:06] <Loetmichel> hmmm
[17:14:13] <Loetmichel> re @ home
[17:14:46] <Loetmichel> anyone can name a usa state with P... other than philadelpia? i wonder where my wife is just now...
[17:15:16] <ReadError> pennsylvania
[17:15:31] <Loetmichel> was in Vancouver last week, had flown to philly on thursday and should be on the plane to p... now....
[17:15:38] <heathmanc> Philly isn't a state....
[17:15:45] <Loetmichel> taht wasnt it either
[17:15:52] <ReadError> lol
[17:15:59] <ReadError> theres no other state that starts with a p :)
[17:16:10] <Loetmichel> philadelphia is a city, i know...
[17:16:41] <Loetmichel> ba, my geographic knowledge is on a VERY low level :-(
[17:16:46] <Loetmichel> ... and my memory also
[17:17:29] <Loetmichel> i whish i could rememer where she said she is flying to
[17:18:21] <Loetmichel> hmmm, maybe google helps... *searching for SAP dependancies in the us of a;)
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[17:21:35] <IchGuckLive> pcw so i guess i run from OUT XV to the leadshine Enable and with a resistor 1K to grnd AS Commen Anode ??
[17:22:49] <IchGuckLive> pcw ?
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[17:24:53] <IchGuckLive> pcw_home: ?
[17:27:21] <Loetmichel> ... ah, i think it was phoenix.. sounds familliar...
[17:28:59] <heathmanc> lol
[17:29:02] <alex4nder> hey
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[17:31:14] <IchGuckLive> today i got stuff for another 5Mashines 2x3,1x4 and 2x5 axis
[17:34:01] <Jymmm> IchGuckLive: But do you have at least one machine up and fully operational yet is the question
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[17:38:30] <IchGuckLive> i got over 50 running
[17:39:12] <IchGuckLive> from mini 4x4x2inch to 7x3x3Meter
[17:42:31] <pcw_home> Lead shine has active low enable?
[17:43:36] <IchGuckLive> i donmt think i made that yet as im still putting all togeter
[17:44:14] <IchGuckLive> the step/Dit is positiv isent it
[17:44:21] <IchGuckLive> Step/dir
[17:44:52] <IchGuckLive> and the output also positiv so no active low
[17:45:51] <IchGuckLive> http://www.leadshine.com/UploadFile/Down/M542m.pdf
[17:46:09] <IchGuckLive> on page 4
[17:47:01] <IchGuckLive> Step/Dir goes Bidirectional to 7i76
[17:48:46] <IchGuckLive> pcw_home: as the output can Drive 300mA i will go output5 to all 5Axis Drivers to Enable them
[17:48:48] <IchGuckLive>
[17:52:24] <pcw_home> Yes you can do that (with suitable resistor for 12 or 24 V)
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[18:03:52] <IchGuckLive> so i guess on monday first run of the 5i25-7i76 combination
[18:06:39] <IchGuckLive> is there anywhere a selfmade spindelencoder to look how this is is done by gear or somthing to get the needed precision
[18:06:51] <IchGuckLive> i got no idee
[18:07:53] <IchGuckLive> direct connect will need a big encoder CPR
[18:09:32] <pcw_home> A spindle encoder normally does not need a very high CPR
[18:09:37] <IchGuckLive> wit a 1000CPR to get good system as spindel turns around 6Krpm or disconnect during turning and reconnect to use as axis
[18:10:52] <IchGuckLive> pcw_home: infact as a RPM meter it needs only index
[18:11:25] <pcw_home> if its a direct axis then it wants quite high CPR 64000 is not too high
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[18:12:30] <IchGuckLive> i need to have a look on this there are shure encoders out there that can handle this but at high cost
[18:12:47] <pcw_home> but a high res encoder will liklly not work at 6000 RPM
[18:13:12] <Loetmichel> PCW: the encoder itself will
[18:13:37] <Loetmichel> but the electronics behind may have some problems with MHz clock pulses
[18:13:53] <pcw_home> No the detector will not
[18:14:04] <IchGuckLive> therfor i guess is setup at index pulse RPM meter and wit a Mcode bring a worm gear encoder in
[18:14:15] <Loetmichel> normal photo diodes go easily upt o 2 digit Mhz
[18:14:30] <Loetmichel> maybe not with the full voltage swing but still they go
[18:14:39] <pcw_home> sorry no
[18:14:48] <Loetmichel> if the amplifiers in the encoders can cope with that...
[18:15:18] <IchGuckLive> ok im off thanks to all your answers
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[18:16:15] <Loetmichel> hmmm, may have to check that with some reflex detectors i have here, but i think i have used some reflex detectors with optics as a sortrange 100Mbit data "laser"
[18:16:21] <Loetmichel> shortrange
[18:16:44] <Loetmichel> but they were naked led and photodiode in one casing
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[18:17:05] <Loetmichel> no electronics in the detector casing
[18:17:39] <pcw_home> Much easier with a laser
[18:18:04] <Jymmm> ...and a shark to mount it on
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[18:18:18] <pcw_home> normal encoder detectors have to compromise detector area vs speed
[18:18:39] <Jymmm> compromise?
[18:18:48] <Loetmichel> shark?
[18:18:50] <Jymmm> speed vs precision?
[18:19:01] <pcw_home> you have a diffuse light source
[18:19:04] <Jymmm> Loetmichel: Austin Powers refernce
[18:19:07] <Loetmichel> ah
[18:19:13] <Loetmichel> sorry, never seen that
[18:19:41] <Jymmm> Loetmichel: http://www.youtube.com/watch?v=Bh7bYNAHXxw
[18:21:06] <pcw_home> Some higher res enccoders pulse the LED to get enough signal
[18:21:27] <Loetmichel> Jymmm: ah, now i remember why i didnt look that film
[18:21:32] <Loetmichel> ;-)
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[18:21:57] <Loetmichel> pcw_home: possible abd tha the speed is limited, granted
[18:22:02] <Loetmichel> and then
[18:22:39] <pcw_home> If you look at standard encoders most top out at a few hundred KHz
[18:24:18] <pcw_home> laser encoders can be much faster but most are absolute/pseudo absolute (serial vs quadrature interface)
[18:24:44] <Jymmm> Loetmichel: it's not THAT bad =)
[18:25:38] <pcw_home> its supposed to be bad...
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[18:26:16] <Jymmm> well in a cheesy sorta way =)
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[18:29:46] * Tom_itx passes out pizza bribes for later favors he will collect
[18:31:20] <pcw_home> Wheres mine?
[18:31:33] <Tom_itx> i'm bettin Jymmm stole it
[18:33:24] <andypugh> Woot! http://www.ebay.co.uk/itm/120934176878
[18:33:36] <andypugh> (Not even sure what I want it for)
[18:34:12] <JT-Shop> make your Near a Car electric!
[18:35:04] <Loetmichel> JT-Shop: merely 10 times to small ;-)
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[18:36:05] <Loetmichel> but looks fitting for the toddlers bobby car
[18:36:09] <Loetmichel> ;-)
[18:36:17] <pcw_home> will the seller actually ship it?
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[18:36:44] <andypugh> I don't know. I feel obscurely guilty about asking him to.
[18:36:51] <Loetmichel> <- just in the process of fitting two(!) 1kw brushless motors to wifeys wheelchair ;-)
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[18:42:24] <andypugh> Loetmichel: Differentially steered?
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[18:42:57] <andypugh> It would be relatively simple to drive a wheelchair by G-code. "Load the going to the shops program"
[18:42:57] <Loetmichel> correct
[18:43:14] <pcw_home> Is that 1KW peak or continuous?
[18:43:16] <pcw_home> Normal industrial brushless motors can deliver ~3 X their rating for a number of minutes
[18:43:21] <Loetmichel> continous
[18:43:35] <Loetmichel> (for about 15 min, then the batteries will be dead)
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[18:43:49] <andypugh> A gyro might be useful, as used to keep model helicopters going in straight lines.
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[18:44:10] <pcw_home> OK so they are about 300 W industrial size
[18:44:57] <Loetmichel> willbe steered with a wii nunchuck
[18:45:15] <uw> sounds like quite a project
[18:45:36] <andypugh> Sounds very similar to building a robotwars robot.
[18:45:45] <Loetmichel> the joystick for fwd/reverse/steering and the two keys for "deadman" and two speed ranges
[18:46:07] <uw> how far along are you with this?
[18:46:22] <Loetmichel> so i dont have to shove her through walmart again..
[18:46:40] <Loetmichel> got the motors and are building the contorllers at the moment
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[18:47:00] <Loetmichel> (waitig for a friebnd to modify model brishless controlelrs to fwd/reverse)
[18:47:07] <Loetmichel> the software
[18:47:20] <uw> andypugh, that a good find!
[18:47:30] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=13370
[18:48:04] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=13373 <- atm there is TWO millimeter to less room in the motors for the magnets...
[18:48:15] <Loetmichel> am thinking to make a new bell
[18:48:28] <Loetmichel> or grinding the magnets a bit trapezoidal
[18:48:36] <andypugh> Loetmichel: Definitely look at integrting a gyro then. The controller will probably connect directly.
[18:49:07] <Loetmichel> gyro for what?
[18:49:25] <Loetmichel> steering or limiting thrust so she dont topples over?
[18:49:34] <andypugh> Heading-keeping
[18:49:42] <Loetmichel> dont thinks so
[18:49:53] <Loetmichel> that can be done by the driver ;-)
[18:50:15] <andypugh> There is a tendency for differentially-steered machines to skew alarmingly if one wheel slips or hits an obstacle.,
[18:50:37] <andypugh> A gyro is almost de-rigeur for 2-wheeled robots.
[18:50:47] <uw> id be interested in this project, when it's finished
[18:51:48] <uw> also why using a wiimote?
[18:51:50] <uw> novelty?
[18:52:03] <Loetmichel> not a wiimote
[18:52:07] <Loetmichel> the other half
[18:52:27] <Loetmichel> the little "egg" with the little joystick and the two buttons
[18:52:32] <andypugh> Gyros are pretty cheap. http://www.hobbyking.com/hobbycity/store/%5F%5F15318%5F%5FHobbyKing%5FGA%5F250%5FMINI%5FMEMS%5FGyro%5F.html
[18:52:48] <Loetmichel> because its cheap and fits easyly to the armrest
[18:53:14] <uw> ok i see, just the stick part of it
[18:53:17] <Loetmichel> andypugh: jeah, i have enough gyrosensors here, being a quadcopter pilot ;-)
[18:53:38] <andypugh> Ah, OK.
[18:54:02] <Loetmichel> maybe i integrate one in the main controller
[18:54:07] <uw> so youre not using bluetooth or anything to get the sitck position right?
[18:54:11] <Loetmichel> but i doubt it necessary
[18:54:29] <andypugh> Have you seen: http://vimeo.com/33713231
[18:54:38] <Loetmichel> it should be limited to 20km/h (on "highspeed") anyway
[18:54:51] <Loetmichel> andypugh: yes
[18:55:19] <Loetmichel> but i dont fly autonomous, i dont even own a gps for the copter
[18:55:32] <uw> anything as in, any of the nintendo protocol, just analog control
[18:56:06] <Loetmichel> i just use it for fun, some inflight videos and FPV, and of vouse the occasion night "ufo sighting" provoke ;-)
[18:56:18] <Loetmichel> s/vouse/course
[18:57:01] <Loetmichel> uw: no, just connect the sick directly to the main controller and read it out
[18:57:18] <Loetmichel> uw: you know "KISS"?
[18:57:46] <uw> ah ok, thats a good way to do it.
[18:57:54] <uw> the band?
[18:57:57] <Loetmichel> why use protocols and transmitters when a wire is no problem and more reliable?
[18:58:13] <Loetmichel> "Keep It Simple, Stupid!"
[18:58:23] <uw> no disagreement, you're doing the right thing ;)
[18:58:54] <uw> i was going to criticize you using the wii motes bluetooth, but you arent, so thats cool
[18:58:55] <Loetmichel> the controller o bought lately in the grovery store had cost about 6 eur.
[18:59:03] <uw> esp something like a wheelchair
[18:59:04] <Loetmichel> and is nicely shaped for a hand
[18:59:28] <Loetmichel> uw: ESPECIALLY with my wife sittin in it ;-)
[19:01:28] <Loetmichel> the problem is more to let the wheelchair still fold after fitting the motors, the electronics and the 4 12V 7A lead-acid blocks
[19:01:52] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=9059
[19:02:01] <uw> oh so its a standard wheelchair, not an already electric wheelchai
[19:02:02] <Loetmichel> not much room underneth there
[19:02:07] <Loetmichel> it is ;-)
[19:02:41] <Loetmichel> it has to fold at least 50% in the with or it will not fit in the car
[19:02:59] <Loetmichel> yes, my wife CAN walk a few steps. and drive a car
[19:03:03] <uw> haha yea, lead batteries kinda take the whole "portiableness" out of things
[19:03:18] <Loetmichel> ... and it shouldnt get to heavy for her to lift into the back of the car
[19:03:44] <uw> that or have the battries quick removable so she can pull them out indivitually
[19:04:33] <uw> but that may be too much work to impliment
[19:04:51] <Loetmichel> it will be mostly for my wife buying grocerys without pain in her damaged hip joint
[19:05:27] <Loetmichel> so she can drive around in the store instad of sohoving a shopping cart around and have to fiddle with the crutches
[19:06:03] <uw> understood. well hopefully she recovers soon so she wont have to use either!
[19:06:22] <Loetmichel> so the 4 bartterys 12V 7Ah are a compromise
[19:06:40] <Loetmichel> thats 336Wh
[19:06:56] <uw> that should be decent
[19:07:00] <Loetmichel> that should be enough for about one hour of "walking around"
[19:07:14] <uw> aslong as she doesnt start doing burnouts or extreme sports with it ;)
[19:07:16] <Loetmichel> or 15 minutes of "pedal to the metal" ;-)
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[19:08:26] <Loetmichel> and its only temporary
[19:09:33] <Loetmichel> as sonn as she hits the 200lbs on her diet the docs will fit her a new hip joint . then the wheelchair and the chrutches will hopefully obsolete
[19:09:39] <Loetmichel> soon
[19:10:58] <andypugh> This all looks vaguely old-school and expensive: https://picasaweb.google.com/lh/photo/OayQVi20BPHUTjIjoR7dFdMTjNZETYmyPJy0liipFm0?feat=directlink
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[19:12:25] <Loetmichel> looks like some kind of midi-controller or something
[19:13:11] <Loetmichel> and not SO oldschool: smt components involved ;-)
[19:13:16] <andypugh> It's one of these: http://en.wikipedia.org/wiki/Dial_box
[19:14:06] <Loetmichel> ah, close but no cigar
[19:14:18] <andypugh> There were 6 in the skip at work. By the time it was late enough to unobtrusively rescue them I could only get to 2.
[19:14:19] <Loetmichel> but the midi controllers are not that different
[19:14:41] <Loetmichel> andypugh: what a waste
[19:14:47] <Loetmichel> these look really nice
[19:15:33] <andypugh> The SGI workstation and flat-panel display (with remvable backlight so it could be used on an overhead projector) was more of a waste.
[19:17:16] <Jymmm> andypugh: Not really, sales engineers used them ALOT
[19:17:30] <andypugh> http://uk.rs-online.com/web/p/cable-conduits/0185980/ is expensive, and I only need half a meter. I wonder how well http://www.ebay.co.uk/itm/300728850204 would work?
[19:17:34] <Jymmm> andypugh: IBM Thinkpad had the same thing, $8000 USD at the time
[19:17:58] <andypugh> Jymmm: Yes, exactly, a shame to see it tossed in the skip.
[19:18:11] <Jymmm> andypugh: you really dont have hardware stores that sell by the foot?
[19:18:20] <andypugh> Not that I have found.
[19:18:28] <andypugh> And I did a tour today.
[19:18:34] <Jymmm> andypugh: did you try an electric contractor?
[19:18:46] <Jymmm> they probably have some in theur skip
[19:18:48] <cradek> I wonder why there are two concentric sets of holes on those encoders
[19:18:54] <andypugh> 20mm and 25mm are easily available.
[19:19:22] <andypugh> cradek: I wondered that too. Perhaps they only had big, unfocussed detectors?
[19:19:29] <Jymmm> andypugh: Well, use two 25mm then
[19:19:52] <andypugh> I would need 4
[19:20:04] <pcw_home> yeah no Ronchi plate so 90 degree slot sets
[19:20:07] <Jymmm> ok, four
[19:20:33] <Jymmm> andypugh: that kind of money for just a meter, not worth it
[19:21:24] <Jymmm> has anyone melted hdpe?
[19:22:11] <Loetmichel> the two rings: maybe using it to enhance resolution
[19:22:44] <Loetmichel> if you have a slit plate in front of the transostors wou woud geht a pulse from each hole
[19:23:06] <pcw_home> IF you dont have a Ronchi/resolver plate you need 2 sets of slots
[19:23:49] <Loetmichel> pcw_home: you also can set the 2 recivers exactly 90° phase shiftet
[19:23:52] <Loetmichel> -t
[19:23:57] <Loetmichel> on a single ring
[19:24:10] <pcw_home> yes that works for coarse slots
[19:24:30] <pcw_home> I think these are on the edge
[19:25:21] <pcw_home> high res encoders use a single set of slots and a Ronchi/resolver plate
[19:25:31] <Loetmichel> hmmm
[19:26:09] <pcw_home> (or differential photodiode arrays)
[19:26:17] <archivist> andypugh, there are shortish flexible basin drain pipe that could be re-purposed B&Q wickes
[19:26:24] <Loetmichel> i made me some with this templates: http://www.cyrom.org/palbum/main.php?g2_view=core.DownloadItem&g2_itemId=263
[19:26:48] <Loetmichel> the black one fixed, the white one rotating
[19:27:20] <Loetmichel> and then put a detector on each side and two led underneath
[19:27:25] <Loetmichel> worked like a charm
[19:28:05] <pcw_home> That is how most standard optical encoders work
[19:28:24] <pcw_home> though the disk and resolver are often glass
[19:30:49] <Loetmichel> i made mine of 0,3mmm brass and etched them
[19:36:14] <pcw_home> yeah some commercial ones (maybe up 500 line or so) use thin stainless steel both for the disk and the resolver
[19:37:53] <pcw_home> finest ones I have seen use metal on glass (probably some photo process like wafer mask tech)
[19:39:04] <pcw_home> Ive made some with graphic film on 6 mil mylar
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[19:42:04] <Loetmichel> pcw_home: the silver on glass can be bouhgt for chap at any stage supplier. as "gobos" fit the moving lamps
[19:42:19] <Loetmichel> and custom picture on it
[19:42:23] <Loetmichel> etched in
[19:42:40] <pcw_home> and Andy found that the SMT stencil people can make decent stainless steel ones fairly cheap
[19:43:05] <pcw_home> (the stencil business is pretty competitive)
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[19:49:06] <andypugh> archivist: I want something that will resist me dropping sharp-edged components onto it.
[19:49:35] <Loetmichel> andypugh: linoleum?
[19:49:45] <Loetmichel> for a table lining, or what?
[19:49:52] <andypugh> As a cable conduit
[19:49:56] <Loetmichel> ah
[19:50:37] <Loetmichel> there is a vacuum hose with a kevelar "spring" in it
[19:50:47] <Loetmichel> maybe that would be sufficient?
[19:51:14] <Loetmichel> s/vacuum hose/suction side hose for well pumps
[19:51:45] <archivist> andypugh, depends how sharp and heavy :)
[19:52:15] <Loetmichel> i would definetly not go for steel/metal
[19:52:24] <andypugh> Yes. I realise there are limits
[19:52:34] <Loetmichel> will be deformed if something heavy will fall on
[19:52:38] <andypugh> All the original cable conduits are articulated steel.
[19:53:14] <archivist> I hate that steel stuff it comes unscrewed
[19:53:24] <Loetmichel> maybe the kevlar hose is better because its cut resistant but can be flattened withould deformation?
[19:53:48] <Loetmichel> -l
[19:57:33] <andypugh> OK, this isn't a good reason. But I am trying to stay within the design style of the original machine.
[19:58:52] <pcw_home> No hardware store sells flexible conduit by the foot/meter?
[19:59:21] <pcw_home> or electrical supply store
[20:01:02] <pcw_home> plastic or metallic with plastic jacket?
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[20:04:52] <andypugh> Not that I have found, no. Certainly not in the sort of size I want (Ideally I want a size I can fit a 9-way D-sub down)
[20:05:05] <pcw_home> I see 1 1/4 Electri-Flex metallic/plastic for $1.71 per foot in the good old USA
[20:09:29] <pcw_home> yeah even here places that sell by the foot are rare
[20:11:02] <andypugh> It's not the sort of thing that anyone who needs it is never going to need more of, in general.
[20:13:50] <andypugh> Farnell sell it by the foot, minimum order quantity 50 feet.. http://uk.farnell.com/hubbell-wiring-devices/b2150/flexible-conduit/dp/2078157
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[20:49:56] <pcw_home> that minimum qty kind of makes buying by the foot useless
[21:04:17] <andypugh> I am considering buying http://www.ebay.co.uk/itm/221047121099 then trying to sell what is left.
[21:05:39] <DJ9DJ> gn8!
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[21:07:17] <Tom_itx> andypugh i nearly did the same with my stepper wire
[21:07:33] <Tom_itx> get a 1k roll and peddle 99% of it
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[21:24:31] <archivist> I thought the extra should be kept in the "it might me useful" pile :)
[21:25:04] * Jymmm slaps the shit out of andypugh! NO NO NO shoving in the 4ft tall pile! SELL SELL SELL
[21:25:22] <Jymmm> err archivist not andypugh
[21:25:43] <Jymmm> oh hell, andypugh probably deserves to be slapped too for GP
[21:25:51] <archivist> its not me buying extra conduit !
[21:25:57] <Jymmm> =)
[21:26:18] <Jymmm> archivist: Ok, you can slap andypugh too then (and you're closer too)
[21:26:51] <Jymmm> I'd ship my slap to andypugh, but hed probably have to pay VAT on it.
[21:28:36] <Jymmm> Found a local oring mfg that sells individually, cute too =)
[21:28:49] * Tom_itx slaps Jymmm telling him to take one for the team
[21:29:19] <Jymmm> Tom_itx: take what for the team?
[21:29:21] <Loetmichel> hmmm
[21:29:29] <Loetmichel> "there's no I in team!"
[21:29:30] <Loetmichel> ;-)
[21:29:50] <Jymmm> no there there is ME in team!
[21:30:07] <Loetmichel> Jymmm; there is!
[21:30:10] <Tom_itx> and meat
[21:30:16] <Loetmichel> tEaM
[21:30:30] <Jymmm> and ME EAT MEAT too
[21:30:40] <Jymmm> ME ATE MEAT as well
[21:31:15] <Jymmm> ME T[&]A too =)
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[21:31:35] <Loetmichel> but like we say "TEAM= Toll ein anderer machts! " ("great, anotherone does it")
[21:31:42] <Loetmichel> + in germany
[21:33:14] <Jymmm> Most orings are EPDM (http://en.wikipedia.org/wiki/EPDM_rubber) but silicon ones are only pennys higher in price. I can't understand why would someone want EPDM over silicon for roughly the same price?
[21:33:54] <Jymmm> EPDM has a 5year life, Silicon 20 year. I dont get it.
[21:36:33] <Loetmichel> Jymmm: EDPM is a lot harder and more cut-resistant?
[21:37:13] <Jymmm> Loetmichel: In a gasket, I get it. But in an oring?
[21:37:15] <alex4nder> Jymmm: EPDM has better oil resistance
[21:37:26] <archivist> cheaper matters in production
[21:37:36] <Loetmichel> and incorperates less water
[21:37:37] <alex4nder> as an RX-7 owner, I am intimately familiar with oil and silicone.
[21:37:44] <alex4nder> :(
[21:37:57] <Jymmm> alex4nder: and silicon doens't?
[21:38:02] <Loetmichel> Jymmm: especially in an o-ring
[21:38:12] <alex4nder> Jymmm: silicone breaks down
[21:38:24] <alex4nder> but rubber gets hard over time
[21:38:29] <alex4nder> it's why most RX-7 owners go viton
[21:38:49] <Loetmichel> alex4nder: is that the one with the rotating piston?
[21:38:53] <alex4nder> Loetmichel: yup
[21:39:05] <Jymmm> Ew fluoroelastomer, no thanks
[21:39:06] <Loetmichel> and the seals you mean are for the piston?
[21:39:14] <alex4nder> Loetmichel: no, for control systems
[21:39:19] <Loetmichel> ah
[21:39:37] <alex4nder> the seals of the rotor come in many forms, most are steel
[21:39:49] <alex4nder> but there are carbon, ceramic, etc.
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[21:41:47] <Loetmichel> help me out: what was the name for a rotating piston engine?
[21:41:58] <Jymmm> rotary engine
[21:42:04] <Loetmichel> hrrmpf
[21:42:09] <Jymmm> lol
[21:42:25] <Loetmichel> i meant the (german) inventor
[21:43:10] <Jymmm> Ford =)
[21:43:43] <Jymmm> Mazda, a division of Ford Motor Company
[21:43:50] <archivist> Wankel
[21:44:00] <Loetmichel> ah, wankel it was, thy
[21:44:14] <Loetmichel> i think my memory is fading :-(
[21:44:33] <Loetmichel> Jymmm: wrong
[21:44:36] <Loetmichel> the bought it
[21:45:08] <Loetmichel> but like a lot of toher engines the inventor was a german
[21:45:26] <Loetmichel> (otto, bosch, benz....)
[21:46:36] <alex4nder> yah, his first inventions were rotary valves
[21:46:46] <alex4nder> for pistol engines' heads.
[21:48:41] <andypugh> Mazda is not a division of the Ford Motor Co. Ford are a minority shareholder in Mazda.
[21:50:43] <Jymmm> wikipedia lies!
[21:51:55] <Loetmichel> what else is new?
[21:52:12] <Jymmm> =)
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[21:55:18] <andypugh> Jymmm: Wikipedia says: On November 18, 2010, Ford reduced its stake further to 3%, citing the reduction of ownership would allow greater flexibility to pursue growth in emerging markets. Ford and Mazda remain strategic partners through joint ventures and exchanges of technological information.[12]
[21:55:39] <Jymmm> andypugh: I'm just playing =)
[21:55:56] <Jymmm> andypugh: go look up land rover too
[21:56:01] <Jymmm> and jaguar
[21:57:10] <Jymmm> Heh, I think that was when Ford was going broke.
[21:57:17] <Jymmm> SELL SELL SELL
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[21:59:42] <andypugh> Jymmm: Have you forgotten who I work for?
[22:00:05] <Jymmm> andypugh: I dont think I ever knew
[22:00:20] <andypugh> Ford
[22:00:28] <Jymmm> andypugh: Ah
[22:11:41] <skunkworks__> andypugh: cool. did you get to tune the ford gt?
[22:13:10] <andypugh> No, I work on Euro-market diesels.
[22:13:15] <skunkworks__> ah
[22:13:22] <skunkworks__> no gas guzzlers then ;)
[22:13:36] <andypugh> We try not to.
[22:13:41] <skunkworks__> good call
[22:14:50] <alex4nder> andypugh: you guys using the VCM II yet?
[22:15:19] <andypugh> I don't even know what that is
[22:15:33] <alex4nder> it's the new ford vehicle comms box
[22:16:05] <alex4nder> I think they're just about to release it in europe.
[22:16:25] <Nick001-Shop> How do I control 4 different spindles in linuxcnc?
[22:16:41] <andypugh> Ah, no, we use more generic tools because everything is still being written when we start.
[22:16:56] <alex4nder> andypugh: this box just does PDU and J2534
[22:17:20] <alex4nder> cool
[22:17:21] <andypugh> We only use CCP direct to shadow-memory in the PCM.
[22:17:35] <alex4nder> ah, cool
[22:17:47] <alex4nder> so you're doing calibration on pre-production?
[22:18:08] <andypugh> Mainly with: http://www.accuratetechnologies.com/content/view/178/174/lang,en/
[22:19:03] <andypugh> Yes, I am currently mainly driving around the tracks in a 2013 Mondeo/Fusion.
[22:19:39] <andypugh> http://www.ford.com/cars/fusion/2013/
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[22:19:48] <hive8> hi guys
[22:19:58] <alex4nder> nice
[22:20:01] <andypugh> Not a bad looking car, considering it was designed in the US>
[22:20:05] <alex4nder> haha
[22:20:14] <andypugh> Hi hive8
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[22:20:32] <Tom_itx> where's the one with the teddy bear on the front? :)
[22:21:15] <andypugh> That's old-hat now, been on sale a few years.
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[22:23:17] <skunkworks__> andypugh: sounds like a cool job
[22:24:06] <JT-Shop> hey Sam
[22:24:15] <skunkworks__> hey!
[22:24:40] <skunkworks__> how's the cannon?
[22:24:42] <JT-Shop> I had a crazy idea to take a mack xml file and make my python program create a stepconf file from it
[22:24:43] <Tom_itx> http://www.youtube.com/watch?v=m3KdpzL3Hkk
[22:24:52] <JT-Shop> it goes BOOOOOM
[22:24:58] <skunkworks__> heh
[22:25:10] <joe9> cd /ws 39
[22:25:26] <skunkworks__> I know there was a couple people asking if there was a conversion utility to go from a mach xml to emc
[22:26:02] <skunkworks__> the are supposidly demoing mach 4 at the cnc fest at ann arbor
[22:26:11] <JT-Shop> seems simple enough now, I created a mack xml file and have the python converting to text now
[22:26:23] <skunkworks__> cool
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[22:29:56] <gmagno> hello, good evening
[22:30:31] <gmagno> anyone here ever bought something similar to this board (http://www.ebay.com/itm/3axis-Nema17-stepper-motor-78oz-in-CNC-kit-3A-driver-board-/300654822440) ?
[22:30:40] <gmagno> I'm looking for the driver manual
[22:30:53] <gmagno> since I don't know how to set the dipswitches
[22:31:56] <JT-Shop> did you try and email the contact for more info?
[22:32:36] <andypugh> You can find the datasheet for the driver chip (TB6560) online in many places
[22:33:19] <Tom_itx> JT-Shop did you see my control box so far?
[22:33:32] <JT-Shop> no
[22:33:51] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/psu/psu_index.php
[22:33:54] <Tom_itx> last 2 pics
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[22:34:40] <andypugh> gmagno: Did it come with a CD? There is probably a manual on that. It is very likely to be the manual for a subtly different baord, though.
[22:34:42] <JT-Shop> ohh blue is my favorite color
[22:34:57] <JT-Shop> nice and neat
[22:34:59] <tjb1> Hey JT-Shop
[22:35:15] <JT-Shop> hey
[22:35:19] <Tom_itx> i still gotta mount the mesa boards and wire all of that in
[22:35:27] <Tom_itx> they're just sitting in there
[22:35:41] <tjb1> Got a quote from T-Slots and they gave me 2 pieces of 116" 3"x3" for $187 compared to 80/20 which was $144 for a 113" piece of 3"x3"
[22:35:46] <tjb1> Plus free shipping
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[22:36:18] <JT-Shop> nice score
[22:36:50] <tjb1> Originally quoted me $147 for the 116" piece but I got an email so they must of added an additional student discount
[22:37:26] <andypugh> Tom_itx: You have a woman's capacitors! https://picasaweb.google.com/lh/photo/HdNJXBD5wPqDUi9E8C46HdMTjNZETYmyPJy0liipFm0?feat=directlink
[22:37:57] <Tom_itx> i got em surplus cheap
[22:38:08] <Tom_itx> they still pack a punch
[22:38:29] <andypugh> I got those for £10 each.
[22:38:38] <gmagno> JT-Shop, yeah, I've already contacted them, but I dont want to wait for it :)
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[22:38:42] <gmagno> andypugh, no CD :-/
[22:38:48] <andypugh> (List price £163 each)
[22:39:31] <Tom_itx> and i think you get less ripple with multiple small ones
[22:39:40] <andypugh> gmagno: Well, the driver is the TB6560: http://www.toshiba.com/taec/components2/Datasheet_Sync/382/27885.pdf
[22:40:03] <andypugh> Tom_itx: Mine are quote small, but that is a 300V supply.
[22:40:05] <tjb1> Is there any use for grooved t-slot extrusion as compared to smooth?
[22:40:59] <Tom_itx> andypugh for your spindle?
[22:41:29] <andypugh> gmagno: From that datasheet you can work out the DIP switch settings, and by tracing tracks you can figure out which opto-isolator goes to which parallel portt pin, and which pin on the TB6560. And that will be a lot more reliable than the manual.
[22:41:37] <andypugh> Tom_itx: No, for my servos.
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[22:43:08] <gmagno> andypugh, I think I'm going to do that
[22:43:10] <gmagno> thanks
[22:43:15] <delkin> ora boas
[22:44:32] <andypugh> delkin: ?
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