Back
[00:03:54] <uw> tutti fruity is over rated
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[00:06:25] <PCW> bad EEPROM or insufficient write protection during power cycling
[00:06:26] <PCW> maybe (we have had some bad ones over the years
[00:06:28] <PCW> (you program them and they leak so a year later they've have dropped bits)
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[00:11:01] <JT_Shop> I'll have to watch it to see, I rarely power it down
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[00:26:54] <JT_Shop> say goodnight Gracie
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[00:39:25] <Tom_itx> but Gracie! it's the weekend!!
[00:51:05] <Jymmm> Tom_itx: It's 5pm, 3 hours past JT_Shop / Groucho's bedtime
[00:51:51] <Jymmm> YAY finally sold the Speak and Spell! lol
[00:52:54] <andypugh> Past my bedtime too, I am going to try for a productive Saturday.
[00:52:59] <andypugh> Night all
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[01:20:25] <jdh> are there any hobby-budget 3d printers that aren't just extruded plastic?
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[01:25:22] <kengu> jdh: made of something else?
[01:25:36] <kengu> https://github.com/sgraber/Graber
[01:25:50] <jdh> made of whatever, 'print' witgh something ogther than hot plastic
[01:26:13] <Jymmm> jdh: Such as?
[01:26:38] <kengu> ok. or print with something else than what ever you can extrude
[01:26:39] <jdh> sintered metal, fused plastics, photopolymers?
[01:26:50] <kengu> as the machines do print ceramics and chocolate
[01:27:01] <Jymmm> jdh: photopolymers are plstic btw
[01:27:12] <Jymmm> jdh: there is powders
[01:27:32] <Jymmm> jdh: but that's more a laser fused sorta thing
[01:27:40] <Jymmm> or thermally fused
[01:27:40] <jdh> yeah, plastic is fine, just something other than extruded stuff by layer
[01:27:51] <Jymmm> jdh: application?
[01:27:53] <kengu> we tried laser sintering with our laser engraver. it did sort of work
[01:28:23] <Jymmm> kanzure: medium?
[01:28:45] <Jymmm> bah, kengu ^^^
[01:29:11] <Jymmm> I want to try sugar, but I'm not there yet on programming the Z on my laser
[01:29:51] <kengu> we used some "sintering powder" we got from a company or uni. no idea on what it was
[01:30:12] <Jymmm> Actually, not sure how I' going to program Z on mine
[01:30:22] <Tom_itx> http://the-sugar-lab.com/3d-printed-sugar
[01:30:33] <Jymmm> It's control manually via the serial port,
[01:31:51] <Jymmm> and I'm REALLY chicken to put a huge tub of powdered sugar in my laser
[01:32:05] <Tom_itx> sugar crisp
[01:33:08] <Jymmm> Tom_itx: powdered sugar + 950 CFM blower = VERY VERY BAD
[01:33:33] <GuShH> the sugar should be suspended in water, at least.
[01:33:52] <GuShH> you need a carrier and a bonding agent / mechanism, always.
[01:34:04] <Jymmm> laser IS the bonding agent =)
[01:34:22] <Jymmm> melts the sugar
[01:34:30] <GuShH> you don't really want to melt it
[01:34:35] <GuShH> in that photo, the sugar is not.
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[01:34:43] <Jymmm> Melt, not char
[01:34:45] <GuShH> otherwise you get caramel.
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[01:34:56] <GuShH> that has not seen high temperatures
[01:35:04] <GuShH> it's still in a crystal form
[01:35:19] <Jymmm> I have FULL control of what my laser can do... PPI, IPS, Resolution, etc.
[01:35:33] <GuShH> the carrier was removed by heat most likely, but the sugar remains crystaline
[01:35:49] <GuShH> Jymmm: so, give it a try
[01:36:09] <GuShH> seems you don't have FULL control over your blower though
[01:36:14] <Jymmm> Yeah, and gum up my lenses/mirrors
[01:36:16] <jdh> http://www.dive-xtras.com/cart/pc/viewPrd.asp?idproduct=120&idcategory=27
[01:36:24] <GuShH> Don't use it at all then, just stare at it.
[01:36:29] <jdh> something that would make things like that
[01:36:32] <GuShH> keep it for when you're dead.
[01:37:12] <Jymmm> jdh: you and your thousand dollar dive lights
[01:37:33] <Jymmm> jdh: Gimme the $1000 and I'll make ya a hell of a dive light
[01:37:49] <GuShH> capable of burning all the living creatures.
[01:37:53] <GuShH> and your retinas.
[01:38:00] <Jymmm> Nah
[01:38:06] <GuShH> the money is just about right for it
[01:38:13] <GuShH> leaving marketing out of the picture.
[01:38:23] <GuShH> otherwise we would only have $5 to spend on the light itself
[01:38:24] <Jymmm> batterys will be $$$
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[01:38:45] <GuShH> depends on the desired runtime, in this case we only need a few seconds after that he won't notice, his eyes won't work!
[01:38:45] <jdh> I sold a bunch of excess dive gear so I could buy a chinese laser to play with or a non-glue-gun 3d thing
[01:39:21] <Jymmm> chinese laser imported or alredy in the US ?
[01:39:41] <jdh> keling ships them from chicago
[01:40:02] <jdh> a used non-cheap-chinese would be nice.
[01:40:14] <Jymmm> lol
[01:40:20] <jdh> thousand dollar dive lights would sell well...
http://www.dive-xtras.com/cart/pc/viewPrd.asp?idproduct=197&idcategory=43
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[01:43:42] <Jymmm> jdh: Only thing, you have to charge each battery individually =)
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[01:44:15] <kengu> http://www.peachyprinter.com/
[01:44:26] <jdh> my lights have battery cannisters machined out of delrin rod.
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[01:56:42] <GuShH> couldn't find a cheaper plastic to use?
[01:56:47] * GuShH pokes jdh
[01:57:48] <jdh> others have been used with varying success. The Delrin ones are quite robust and I don't know of any failures due to the material.
[01:58:08] <GuShH> it's good stuff for how cheap it is
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[01:59:51] <jdh> this type of dive gear is usually made by proficient amatuers that need it, but don't really know engineering, design, strength of materials, etc. The $2000 light is an exception and somewhat absurd, even for me.
[02:00:58] <GuShH> jdh: did you seal the canisters with a single point thread followed by an o-ring?
[02:01:28] <GuShH> what's the 2k light rated for, how deep anyway
[02:01:52] <jdh> there have been a few that are threaded, bugt usually a single o-ring and a pair (or 3) locking clasps
[02:02:22] <jdh> 180m depth rating
[02:02:31] <Tom_itx> or both like a mag light?
[02:02:58] <GuShH> that's not much
[02:03:14] <GuShH> even though the forces are, but given the price!
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[02:06:53] <jdh> I'm sitting in a $40/night motel room with $20k worth of dive gear trying to save $67 on a propeller/hub by buying a $1000 3d printer
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[02:12:07] <Jymmm> jdh: dont ya hate when that happens =)
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[02:13:02] <GuShH> jdh: using their wifi?
[02:13:08] <Jymmm> jdh: And you know the first garage sale you drive by tomorrow will have a case of what you want for $20 for the the whole box
[02:13:12] <Tom_itx> money well spent :D
[02:13:13] <GuShH> a shady looking guy is already on his way for the 20k worth of gear
[02:13:47] <jdh> it's a $40 motel, there are plenty of shady looking guys
[02:13:49] <Jymmm> GuShH: ...and will be looking down a shark shot when he arrives =)
[02:14:41] <Jymmm> jdh: do those shark shots use regular 12ga shells?
[02:14:58] <jdh> never seen one.
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[02:16:31] <Jymmm> jdh:
http://en.wikipedia.org/wiki/Powerhead
[02:18:27] <jdh> yeah, there are lots of those around.
[02:19:06] <jdh> most spear guys here use .357mag, some .223 also
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[02:28:16] <jdh> last kickstar
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[02:29:32] <RyanS> I read somewhere "this saving money stuff is expensive"
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[02:37:44] <Tom_itx> jdh similar to hammer gun shots?
[02:37:54] <Tom_itx> basically blanks
[02:38:12] <jdh> blanks are expensive. Plain ammo + fingernail polish is cheap
[02:38:46] <Tom_itx> pull the lead out?
[02:38:56] <jdh> why not just leave it.
[02:39:18] <Tom_itx> i didn't know that it might gum up the 'barrel'
[02:40:23] <Tom_itx> must be a hefty barrel
[02:40:43] <Tom_itx> alot more pressure backed up pushing the rod out instead of just a lead slug
[02:41:00] <RyanS> Any idea why a lot of people seem to use auto reversing tapping heads on CNC mill. Why not just program the spindle to reverse and use a rigid tapping chuck?
[02:41:28] <Tom_itx> not all spindles are capable
[02:42:29] <RyanS> Specifically, I am seeing a Tormach tapping head... It has a VFD that can surely reverse
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[02:43:06] <Tom_itx> you need a brake as well
[02:43:23] <jdh> I could imagine a tapmatic type thing being more forgiving than rigid tapping
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[02:44:37] <RyanS> Anyhow, I got myself a three phase and drill press, which I am going to add a VFD. A brakecapacitor is cheap but I would have thought it would be easy to break the tap when you press the reverse switch
[02:46:20] <RyanS> So you're holding the quill handle and manually feeding the tap. Press the reverse switch. Then what?
[02:48:49] <RyanS> Does the quill push back up so you know when to release the pressure on the handle or does the tap break if you're not careful
[02:49:15] <Tom_itx> takes some finesse
[02:50:01] <Tom_itx> if the tap is small enough it will surely break
[02:50:06] <RyanS> Have you used it on any machines? Is it worthwhile
[02:50:16] <Tom_itx> used what?
[02:50:19] <Tom_itx> tapmatic?
[02:50:20] <Tom_itx> yes
[02:50:36] <Tom_itx> it's been quite a while
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[02:51:01] <RyanS> VFD with a brak capacitor
[02:51:07] <Tom_itx> nope
[02:51:50] <RyanS> hmm. Might as well get the module... not expensive
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[02:55:53] <skunkworks> *resistor
[02:56:52] <RyanS> Yes, resistor, oops :P
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[02:57:50] <RyanS> Okay, it seems it's easier to program a CNC using an autoreverse tapping head rather than rigid
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[03:02:06] <RyanS> http://www.youtube.com/watch?feature=player_detailpage&v=CkTo46ov7FA#t=352
[03:08:28] <skunkworks> eh - I like rigid tapping
[03:08:54] <Tom_itx> yep, works good if your machine is set up for it
[03:09:16] <skunkworks> and you can peck tap..
http://www.youtube.com/watch?v=jAcFeVlftrw
[03:09:33] <skunkworks> all it takes is an encoder... :p
[03:09:58] <RyanS> Maybe tormach are just trying to sell extra accessories...
[03:10:14] <skunkworks> mach3 doesn't rigid tap
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[03:10:40] <skunkworks> (unless you buy some expensive motion cards)
[03:11:14] <RyanS> Can't you just write your own tapping cycle?
[03:11:38] <skunkworks> ?
[03:11:56] <RyanS> in gcode
[03:11:59] <Tom_itx> you can write your own 'linuxcnc' if you feel so inclined
[03:12:05] <Tom_itx> not many have
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[03:12:56] <skunkworks> you need an encoder on the spindle and the cnc controller that can 'gear' the axis to the spindle.
[03:13:17] <RyanS> cant you just have to do tell it to reverse and at what rpm and feed rate?
[03:13:17] <Tom_itx> yep, they must run in sync
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[03:13:54] <RyanS> That didn't make sense... I meant can't you just program the parameters required
[03:14:54] <jdh> if you have an intelligent motion controller (or linuxcnc)
[03:15:25] <RyanS> Program forward, reverse, RPM, z-feed
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[03:16:00] <Tom_itx> the spindle must be in sync with the feed axis
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[03:16:20] <Tom_itx> if it starts feeding before the brake has had time to stop you will brake the tap
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[03:17:28] <RyanS> yeah, but doesn't EMC then also require encoders and what not?
[03:17:39] <Tom_itx> sure
[03:17:54] <Tom_itx> at least for something like that
[03:18:34] <RyanS> but mach3 can't do that? odd
[03:18:50] <skunkworks> it is limited..
[03:19:09] <jdh> windows isn't so great for reading encoder pulses
[03:20:40] <RyanS> ah
[03:23:36] <RyanS> hmm.. I want to get a CNC mill but don't really have the skills to convert manual ... Not much choice around its either Tormach or syill and I haven't read good things about the latter
[03:26:20] <RyanS> At least not in Australia
[03:33:25] <RyanS> I would be in the wrong channel therefore :p
[03:34:06] <jdh> It isn't that hard to convert a small mill if you don't have overly high expectations
[03:34:38] <RyanS> Expectations for the accuracy?
[03:36:02] <jdh> Mine suits my needs for now. It isn't a 'real' mill, but I have room for it in garage and my budget.
[03:36:45] <Tom_itx> jdh, i forgot what you have?
[03:37:36] <RyanS> I'm tired of some forums simply dismissing benchtop mills. Like anyone has the budget for a VMC
[03:39:36] <Jymmm> I doubt anyone dimisses mini mills, they serve their purpose, especialt in prototyping, R&D, dental, jewelry, modeling, etc
[03:39:53] <jdh> Grizzly G0704
[03:40:01] <Tom_itx> ahh yeah
[03:40:45] <Jymmm> Is there actually any US iron mini mills?
[03:40:48] <RyanS> they do on practical machinist... Somebody asks about tormach, for exampleand they instantly get shot down en masse
[03:41:19] <Jymmm> RyanS: They run BP's sized stuff, different venue.
[03:41:43] <Jymmm> That's like having a sports car question on a big rig truck forum
[03:41:44] <jdh> I woudl trade mine for a tormach
[03:41:54] <RyanS> I think that's mainly people who use the machines that their boss owns and forget how much they actually cost
[03:42:06] <Tom_itx> Jymmm they all do the same thing
[03:42:08] <Tom_itx> cut chips
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[03:42:26] <Jymmm> Tom_itx: same with a sports car and a big rig truck
[03:42:36] <Jymmm> they both go down the orad.
[03:42:38] <Jymmm> road*
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[03:43:11] <Tom_itx> i'd rather take the big rig down the freeway nowdays
[03:43:31] <Jymmm> with a NO-FAULT bumper =)
[03:43:41] <Jymmm> 16" thick rubber
[03:43:42] <RyanS> I don't know how many times I've read get a 'real' VMC... sure just remortgage the house
[03:44:02] <Tom_itx> if i had work for one, i'd probably have one
[03:44:11] <Jymmm> RyanS: Then start a new forum for the smaller stuff on PM
[03:44:20] <Jymmm> sub-forum if you will
[03:44:36] <RyanS> I don't post on it, I've just read some
[03:45:04] <Jymmm> Well, you can either bitch about it, or do something about it.
[03:45:19] <jdh> I prefer bitching, it's a lot less work.
[03:45:26] <Tom_itx> yeah let's just bitch a wile
[03:45:28] <Tom_itx> while
[03:45:37] <RyanS> I don't really care.... I'm just saying
[03:46:19] <RyanS> I find it kind of amusing, . That's all
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[03:48:48] <RyanS> Anyhow, so a tormach 770 is something like 770
[03:48:55] <RyanS> oops
[03:49:05] <RyanS> $6800
[03:51:17] <RyanS> I don't think I could save all that much money converting a BF 20, for example.. $2k for the base machine, 1k for ballscrews and hardware, controller, steppers, more top of that, etc, etc
[03:53:11] <RyanS> You then have something that is also going to require a spindle upgrade for higher rpm?
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[04:41:50] <RyanS> http://www.youtube.com/watch?v=Y1IDHIcyHLY the turret looks interesting
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[05:42:39] <NickParker> I believe that video has popped up in here a few times. general consensus was yes, that turret is pretty sexy.
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[06:07:48] <RyanS> You can't use a rotary table as a turret? Needs to have a locking mechanism?
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[06:48:43] <NickParker|2> sorry DC'd. I believe you need a locking mechanism yes.
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[07:21:46] <_DJ_> moin
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[07:49:11] <RyanS> This sounds hideous
http://www.youtube.com/watch?v=qmIpBgK3tzo
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[08:10:03] <Loetmichel> mornin'
[08:18:10] <RyanS> I keep thinking you're Irish? :P
[08:21:29] <Loetmichel> *grrr* i seem to have no luck with cheap ebay NiMH batterys. just bougt an eight pack alledgedly 4800mah... put tem on the computer charger and made 5 cycles discharge/charge... result: 0mAh 412mAh 417mAh 414mAh 413mAh discharged. and over 600mAh put in every time :-(
[08:22:03] <Loetmichel> .. i had put the price into account so i dosn't expected more than 2400mAh... but less than a TEHNTH of the advertised capacity?
[08:22:57] <Jymmm> Why NiMH ?
[08:23:27] <Jymmm> Loetmichel: and what size?
[08:23:27] <Loetmichel> mignon
[08:23:30] <Loetmichel> AA
[08:24:52] <Jymmm> Energizer's are pretty good, but high internal resistance. the Sanyo evelope (?) are suppose to be the best with low internal resistance
[08:25:41] <Loetmichel> if i wanted to spend big $ i would have bought eneloops.
[08:25:48] <Loetmichel> i wanted "cheap"
[08:26:09] <Loetmichel> and already expected a bit of over-avertizement
[08:26:11] <Jymmm> Loetmichel: Ok, so you got a cheap fuck =)
[08:26:15] <Loetmichel> advertisement
[08:26:34] <Loetmichel> but not less than a tenth
[08:26:47] <Jymmm> you got fucked good? lol
[08:27:11] <Jymmm> Loetmichel: tried DX for cheap?
[08:27:51] <Loetmichel> Jymmm: you could say that.
[08:28:36] <Jymmm> Loetmichel: Yeah, that sucks
[08:30:01] <Loetmichel> i meand: i expected the cells to be less than its printed on values. but they're plaun unuseable. less than 20 year old nicd-cell in capacity, horrifying internal resistance (charging at 1,5A brings the voltage up to nearly 2V!) and self discharge that ONE night sitting on the desk halves the capacity...
[08:30:48] <Jymmm> ebay has a new policy on that stuff
[08:30:58] <Jymmm> get what your ordered
[08:33:29] <Loetmichel> btw: thats the second time i had this kind of "fun" with Ebay AA cells... should have learned the first time :-(
[08:35:12] <Loetmichel> i even made me a battery holder with thick Contacts the last time:
http://www.cyrom.org/palbum/main.php?g2_itemId=14292
[08:38:12] <archivist> aldi or lidl cheap nimh are probably better
[08:41:00] <Loetmichel> probably
[08:42:05] <Loetmichel> i mean: a bit low performing for cheap is OK in my opinion. but plain unuseable is not.
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[08:49:16] <Jymmm> Loetmichel:
http://www.amazon.com/Combo-Tenergy-Premium-2500mAh-Rechargeable/dp/B00B4JJTIA/ref=sr_1_2?ie=UTF8&qid=1385196522&sr=8-2&keywords=AA+tenergy
[08:49:31] <archivist> I have a load of lidl ones but I dont use them enough so they die from lack of use
[08:50:02] <Jymmm> archivist: I hate when that happens
[08:51:01] <Loetmichel> archivist: i have a pack of panasonic "red amp" subC-cells here. From the 80ties. was my first "e-plane-model" pack...
[08:51:10] <Loetmichel> abused countless times
[08:51:35] <Loetmichel> (discharged in 3 min in the plane, charged in less than six on a Car battery)
[08:51:52] <Loetmichel> ... STILL have 1600 of the 1700mAh advertized left.
[08:52:06] <Loetmichel> THATS what batteries should be like ;-)
[08:52:18] <Jymmm> archivist: I have one flashlight with rifle bore attachment that I use when cleaning my firearms. The thing was low so I go to change the battery and the damn thing is leaking, yet still working.
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[08:54:01] <Jymmm> Energizer and Duracell both have a guanrtee if their batteries ever leak in a device, they will replace the device (actually they usually just send you a check instead).
[08:54:55] <Jymmm> and send you like $10 in free battery coupons too.
[08:55:43] <Jymmm> They'll even send a pre-paid shipping label if you ask.
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[09:53:19] <RyanS> Are the majority of single phase machine tools split phase-induction motors? Although my bandsaw seems to be a capacitor start
[09:53:59] <RyanS> split-phase*
[09:56:42] <archivist> capacitor provide a second phase(split)
[09:57:15] <archivist> some only use the cap to start, some keep it in circuit for run too
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[09:59:30] <RyanS> I guess corded power tools , use the same? could even use DC motors and a transformer
[10:00:32] <archivist> no they use a universal motor with a commutator
[10:03:32] <RyanS> hehe just as I read the same thing right now in Wikipedia. Interesting; can operate on ac and dc
[10:03:52] <RyanS> or
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[10:15:46] <RyanS> So I think you or someone here mentioned that a single phase motor cannot be run in three-phase.. You can't disconnect the startingcoils and just rewire the main coils into a star on Delta arrangement?
[10:17:25] <RyanS> no... not enough poles
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[12:15:39] <kengu> you know. it is not good for the router bit to drive it to a screw. I just want to share my findings (:
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[12:23:05] <Jymmm> Also not good if you drive a router bit into wood at 180 IPS =)
[12:23:33] <kengu> Jymmm: but that was the end of the previous bit
[12:23:57] <kengu> short living expectance for bits around me
[12:24:08] <Jymmm> heh
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[13:36:19] <mrsun_> http://imagebin.org/278541 first 3d routing.. a tad big stepover and tool but else im pretty happy with the results =)
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[14:17:34] <JT_Shop> what is it?
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[14:27:09] <Tom_itx> a cap start motor will have a larger cap than a run cap
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[15:35:32] <Jymmm> https://www.youtube.com/watch?v=oKmYqUSDch8
[15:35:51] <mrsun_> hmm is it possible to do a touch of routine that does not require mdi mode ?
[15:36:27] <Tom_itx> gcode
[15:36:47] <Tom_itx> err that may be probe
[15:36:58] <Tom_itx> same thing really
[15:37:20] <mrsun_> i want a button by the Z axis so i do not have to go to the computer to go into mdi mode and press "touch of Z" ...
[15:37:36] <mrsun_> but i do not want to have to inject alot of gcode into my programs either :/
[15:37:44] <Tom_itx> you can run a subroutine from the button
[15:37:50] <Tom_itx> and it can have the touch in it
[15:38:22] <Jymmm> pre/post run
[15:38:23] <Tom_itx> tell it to update the current z tool offset
[15:38:41] <Tom_itx> pre
[15:39:21] <Tom_itx> it would take longer since you would want to feed slowly not knowing the tool length
[15:39:29] <Jymmm> No, I mean setup a pre run gcode fiel that is executed for every job, then not even a button is needed
[15:39:44] <Tom_itx> maybe he likes buttons
[15:40:24] <mrsun_> thing is that i need to hold a touchof plate in place while it touches of, and its 2 meters from the computer
[15:40:25] <mrsun_> :P
[15:40:25] <Jymmm> Tom_itx: And you have a purrty mouth, whats your point?
[15:40:30] <mrsun_> i do not have that long arms
[15:40:45] <mrsun_> thats why i want a button by the machine so i can hold the plate there, and press the button to make the touchof
[15:41:26] <Tom_itx> you could have the tool go to a predetermined 'touch off' location and touch off too
[15:41:32] <Jymmm> Tom_itx: =)
[15:41:46] <mrsun_> if i had a stationary Z touch of thingie then it wouldnt be a problem, then the machine goes to 0, 0 or something and checks the tool
[15:42:15] <Tom_itx> if it is not stationary, how will you know it's actual thickness to compensate the z offset?
[15:42:55] <mrsun_> if i lay it on the material and i know how thick the plate is ... ? :P
[15:43:16] <Tom_itx> ok
[15:43:31] <mrsun_> as working with wood is crap and every time you get a new piece its a different thickness
[15:43:48] <mrsun_> just as the humidity goes up 0.01% the damn things expand by 200%
[15:43:49] <mrsun_> :P
[15:47:48] <Tom_itx> http://www.linuxcnc.org/hardy/index.php/italian/forum/10-advanced-configuration/25994-abort-msg-in-o-sub
[15:47:56] <Tom_itx> partially relevant
[15:52:29] derethor is now known as printallthething
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[15:54:26] <Tom_itx> http://timeguy.com/cradek/01262579508
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[16:01:25] <mrsun_> hmm that last one was nice, but how does linuxcnc know when it has reached the probe point? :)
[16:01:36] <mrsun_> ahh
[16:01:40] <mrsun_> probe input signal :P
[16:01:41] <mrsun_> figures :P
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[16:02:16] <mrsun_> hmm need to experiment with this =)
[16:16:28] <JT_Shop> motion.probe-input or something like that
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[16:32:49] <ries> Hey Guys, are there any open source software to create toolpaths from a STL object with rotary exis?
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[17:06:41] <jthornton> anyone speak spanish? does this sound correct? encontrar la máxima velocidad
[17:07:14] <ries> encontrar as in find?
[17:07:20] <ries> @jthornton
[17:07:51] <jthornton> yes the english is finding maximum velocity and finding maximum acceleration
[17:08:04] <ries> Let me ask my lady.... But I think it's buscar la máxima velocidad
[17:08:09] <jthornton> I just used google translate
[17:08:15] <jthornton> ok thanks
[17:09:09] <ries> jthornton: I asked my lady.. she said : encontrar la máxima velocidad
[17:09:23] <jthornton> thanks
[17:09:47] <ries> 9 years in Ecuador, my spanish is still bad :D
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[17:48:47] <IchGuckLive> hi all B)
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[18:32:02] <Loetmichel> *GNAH* $me is dumb as fu**... just emptied the dishwasher... reached for the cutlery basked, didnt see the cheese knife poking out... it came back with the hand as i redraw. ... $me is putting a bandaid on the "mini vampire bite mark"... and cleaning up the blood all over the place... *shi** :-(
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[18:59:20] <IchGuckLive> Loetmichel: its weekend
[18:59:34] <Loetmichel> so?
[18:59:45] <IchGuckLive> never mind the worse
[18:59:58] <Loetmichel> ???
[19:03:12] <IchGuckLive> dishwasher acident
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[19:03:50] <IchGuckLive> im off have a nice weekend where ever you are in the world BYE
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[19:45:14] <JesusAlos> hi
[19:45:31] JesusAlos is now known as JA
[19:45:55] JA is now known as JeAl
[19:46:20] <kengu> hello
[19:47:02] <JeAl> JesusAlos change my nickname for JeAl
[19:47:33] <kengu> 21:45 < JesusAlos> hi
[19:47:33] <kengu> 21:45 -!- JesusAlos is now known as JA
[19:47:33] <kengu> 21:45 -!- JA is now known as JeAl
[19:53:09] <JeAl> http://imagebin.org/278586
[19:53:17] <JeAl> why appear this error?
[19:56:16] <kengu> your z is going too far to min
[19:57:29] <kengu> home offsets and homing sequence conflicting with limit switch position
[20:04:30] -!- lautriv [lautriv!~lautriv@g231000220.adsl.alicedsl.de] has joined #linuxcnc
[20:05:02] <lautriv> is there still somewhere a d/l location for EMC ?
[20:06:24] -!- Tecan [Tecan!~fasdf@unaffiliated/unit41] has joined #linuxcnc
[20:08:13] <lautriv> .... or any version NOT based on canonicals <censored>
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[20:14:08] <kengu> lautriv:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Debian_Wheezy_Linux-Rt_Compile_LinuxCNC
[20:15:53] <lautriv> kengu, thanks a lot, if i had found that, it would save a half day before ;)
[20:17:15] <kengu> i knew there was that. and usually I just google "[whatever] debian" when I need something that is not ubuntu (:
[20:19:38] <kengu> JeAl: ?
[20:22:54] <lautriv> ii have no idea why linuxcnc choosed the worst distro ever.
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[20:23:58] <JeAl> yes
[20:25:11] <kengu> still conflict?
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[20:26:50] <JeAl> don't know how solve.
[20:26:57] <JeAl> but change "minimum limit+ home Z" in stepconf wizard to "Home Z"
[20:27:01] <JeAl> and run ok
[20:27:41] <mrsun_> hmm microswitches as home/end position sensors good or bad? :)
[20:27:47] <mrsun_> (wood router)
[20:28:05] <kengu> JeAl:
http://www.linuxcnc.org/docs/2.4/html/config_ini_homing.html
[20:30:03] <JeAl> Thank, I try after dinner
[20:30:20] <JeAl> My wife call to me
[20:30:25] <JeAl> see you late
[20:30:28] <JeAl> thank again
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[21:36:09] <gene78> Hi all
[21:37:24] <gene78> I have an unkown operation error in some looping code, pointing at this line
[21:37:30] <gene78> o100 call [#<_rcx_temp>][#<_lcx_temp>][#<_bcy_temp>][#<_fcy_temp>]
[21:37:47] <gene78> everything is defined. ideas?
[21:39:28] <gene78> oh wait, the o100 sub accesses those directly, so I'll take those arguments out
[21:40:05] <NickParker> Is it possible to program a "startup sequence" using the 6i25?
[21:40:20] <gene78> didn't help same unk op error...
[21:40:51] <NickParker> e.g. put this pin that never gets used again high, then put dir low and pulse step twice, then put that first pin low and move into regular operation?
[21:42:36] <NickParker> ok actually nevermind, this is a pretty ridiculous plan. simpler question: can i use my 6i25 for some high frequency pwm and use my motherboard's parallel port for everything else (step signals etc)
[21:42:59] <andypugh> NickParker: You probably can, but it seems like waste :-)
[21:43:17] <NickParker> andypugh: well my mill i'm retrofitting has unipolar 4 phase steppers
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[21:43:26] <NickParker> and i've wasted alltogether too much time messing around with them.
[21:43:41] <NickParker> well, messing around with converting step/dir into the phase inputs they take
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[21:44:05] <NickParker> so i'm just going to use software stepgen at this point, and deal with all of that when i have the mill working to make simple pcbs
[21:44:17] <andypugh> I don't expect that there are any unipolar 4-phase firmwares for the 6i25, but there _might_ be.
[21:44:38] <andypugh> I am pretty sure that PCW has code to do it, just not packaged for 6u25
[21:45:34] <NickParker> PCW?
[21:45:44] <andypugh> Hang on, though, Normally you would still use step-dir even with unipolar motors, you would just use a unipolar 4-phase drive.
[21:46:30] <NickParker> andypugh: the motors take 8A per phase, and I haven't found any (economical) 4 phase drives that big. Plus I've already got drivers for them with phase inputs
[21:47:07] <andypugh> How many wires do the motos have?
[21:47:29] <andypugh> "Unipolar" is typically a feature of the drive, not the motor.
[21:47:53] <NickParker> 6 wires per motor
[21:48:24] <NickParker> B2,BCOM,B1,A2,ACOM,A1
[21:48:38] <andypugh> Ignore the COM wires and use a bipolar drive.
[21:49:36] <NickParker> Doesn't that cost me half my resolution? Not to mention 3 new drives
[21:49:53] <andypugh> no and yes
[21:50:39] <andypugh> But on the plus side, you get twice the torque
[21:50:45] <NickParker> Oh I suppose any drive I got would do microstepping huh, so I would probably gain resolution..
[21:54:15] <NickParker> I guess I'll do that come christmas. For now I have to go feed myself. ty for the help andypugh
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[22:14:40] <_DJ_> gn8
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[23:01:06] <pcw_home> NickParker: the stepgen firmware can generate just about any pattern but the driver doesnt know how to set it up
[23:01:53] <pcw_home> Its probably possible to do it with raw-write to setup the setgen mode however
[23:02:20] <pcw_home> stepgen mode
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[23:21:12] <andypugh> Des the FPGA re-allocate pins on the fly if you enable a 4=pin mode?
[23:24:55] <pcw_home> if the config has 4 stepgen outputs that its possible to dynamically chneg from 0,1,2,3,4 pin output modes
[23:25:11] <pcw_home> s/that/then/
[23:25:17] <pcw_home> change
[23:25:41] <pcw_home> so its doable with just raw write
[23:26:18] <pcw_home> (with some fairly magic hex constants)
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[23:30:57] <pcw_home> you would write 1's in the DDR and AltSrc register bits that control the additional stepgen outputs
[23:30:59] <pcw_home> than write the sequence length to the sequence length register and the pattern to the pattern register
[23:31:00] <pcw_home> (in reverse order: step3 pat,step2 pat, step1 pat, step 0 pat)
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[23:34:42] <NickParker> i'm back. so you're saying I could get my 6i25 to do phase outputs?
[23:40:13] <NickParker> pcw_home: You say the stepgen firmware, is that the software stepgen I'm thinking I'll use since 6i25 can't do my drives, or stepgen ported over to 6i25?
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[23:42:33] <andypugh> This is Hostmot2 Stepgen, already in the 6i25
[23:44:36] <NickParker> oh sweet. off to read some docs because i suspect you two have better things to do than walk me through this.
[23:48:26] <pcw_home> how many output pins per stepgen?
[23:49:05] <NickParker> pcw_home: if you're asking what I think you are, 4.
[23:49:24] <pcw_home> current max pins per stepgen is 6 and max pattern depth is 16
[23:49:41] <NickParker> I believe i only need a pattern depth of 8. that's the number of combinations of outputs essentially?
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[23:50:02] <NickParker> I've got a very similar mill to the one kwallace writes about here:
http://www.wallacecompany.com/machine_shop/Shizuoka/
[23:50:24] <NickParker> The only difference I've found is mine has a different spindle and spindle controller than his, but that's easily handled.
[23:50:59] <pcw_home> yeah so depth of 8 and width of 4 are fine
[23:51:11] <pcw_home> bbl shopping trip
[23:51:23] <NickParker> c ya