#linuxcnc | Logs for 2013-03-31

[00:00:10] <Tom_itx> i worked with a guy that rode to work every day no matter what on a BMW
[00:00:16] <JT-Shop> I finally found a c tutorial for studio that made sense and even made a little c program, complied it and debugged it
[00:00:29] <Tom_itx> there was only one day i had to load the bike in the pickup to help him home
[00:00:36] <JT-Shop> those BMW guys are a little touched I think
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[00:00:48] <Tom_itx> yeah
[00:00:54] zenek is now known as linuxcnc-devel
[00:01:13] linuxcnc-devel is now known as micges
[00:01:29] <JT-Shop> I met one that rode from Mexico to the southern tip of South America and back in some crazy time frame
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[00:01:59] <JT-Shop> but his bike had enough fuel to run 12 hours between fill ups
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[00:05:19] <andypugh> You need very special buttocks for that.
[00:05:33] <Tom_itx> i'm not sure i'd wanna ride thru Mexico now
[00:05:43] <JT-Shop> aye, and mine are not sutible for that
[00:05:48] <andypugh> And did he really have a 1200 mile range?
[00:05:49] <JT-Shop> he lives in Mexico
[00:05:53] <Tom_itx> even so
[00:06:04] <andypugh> I liked the bits of Mexico I saw.
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[00:06:27] <Tom_itx> the cops are alot more corrupt now
[00:06:34] <JT-Shop> I doubt he drove 1200 miles on a tank even though he does like to ride at +100mph
[00:07:02] <JT-Shop> all he said and he is a bit hard to understand is he could drive all day on one tank
[00:07:32] <JT-Shop> I think he had at least twice the range that my Goldwing has
[00:07:36] <andypugh> One of my workmates rekons he knows Sjaak Lucassen
[00:08:46] <andypugh> http://dougarider.com/archives/4036/sjaak-9136
[00:09:24] <andypugh> http://www.youtube.com/watch?v=uYpgEOA9LWU
[00:12:59] <Tom_itx> that's crazy
[00:14:14] <alex_joni> http://www.linuxcnc.org/index.php?option=com_lcncmap
[00:16:11] <micges> alex_joni: all registered users?
[00:16:44] <andypugh> Looks like Sjaak made it to the Yukon. He might see liquid water soon.
[00:17:58] <alex_joni> micges: not all, only ones with valid geolocation
[00:18:15] <alex_joni> about half of them
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[00:19:40] <micges> ok
[00:19:56] <andypugh> OK, so there is a user in Tahiti making pens with LinuxCNC. What am I doing in Basildon?
[00:22:23] <alex_joni> someone remind me not to do this ever again.. joomla development :D
[00:22:38] <BHSPiMonkey> heh
[00:22:40] <Tom_itx> is it supposed to show dots or somthing? all i see is a map
[00:23:07] <alex_joni> Tom_itx: give it a couple seconds
[00:24:19] <JT-Shop> that's all I see too is the map
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[00:25:01] <alex_joni> it's supposed to look like this: http://imagebin.org/252279
[00:25:02] <andypugh> Works for me. :-)
[00:25:06] <alex_joni> but you need to be logged in
[00:25:19] <alex_joni> try again?
[00:25:21] <andypugh> But the old Joomla map used to take several minutes to load.
[00:25:26] <Tom_itx> i dunno what my login is :)
[00:25:29] <JT-Shop> I'm logged in
[00:25:35] <alex_joni> JT-Shop: refresh
[00:25:49] <JT-Shop> ok
[00:25:50] <alex_joni> for some reason google caches the marker file
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[00:26:07] <Tom_itx> i don't even see Stewart
[00:26:23] <alex_joni> and I only recently added a check to not draw the map if you're not logged in
[00:26:26] <JT-Shop> I ran into that too... I found something somewhere to force google maps to refresh
[00:27:02] <JT-Shop> otherwise it took days to refresh
[00:27:08] <andypugh> Tom_itx: Which Tom are you? Tom Tomorrow?
[00:27:19] <Tom_itx> ?
[00:27:27] <Tom_L> i'm me
[00:27:33] <andypugh> You could be tome
[00:27:36] <alex_joni> Tom_itx: andypugh is looking at the userlist
[00:27:40] <Tom_L> oh
[00:27:43] <Tom_L> i logged in
[00:27:51] <Tom_L> not sure, tlightus maybe
[00:27:58] <alex_joni> JT-Shop: still nothing?
[00:28:09] <JT-Shop> no
[00:28:20] <alex_joni> I'll msg you an URL
[00:28:20] <andypugh> Yes, that's the one, as you now know.
[00:30:22] <Tom_itx> nope, no blue flags
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[00:35:48] <alex_joni> broke it somehow :)
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[00:38:26] <JT-Shop> I found that was easy to do with kml
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[00:40:41] <alex_joni> I don't get it.. now maps.google.com says the KML is not valid, although I haven't changed anything.. odd
[00:41:54] <JT-Shop> it did that to me and correcting it didn't fix it until I renamed the file...
[00:43:40] <andypugh> It still works for me. Even if I reload.
[00:44:35] <JT-Shop> if I zoom in they show up
[00:44:56] <alex_joni> ok.. it should work again
[00:45:16] <alex_joni> JT-Shop: that sounds like a JavaScript issue
[00:45:27] <alex_joni> that's out of my hands.. should be handled by google
[00:45:38] <JT-Shop> now it works for me and quite fast
[00:45:49] <JT-Shop> I just loaded the link into a new page
[00:46:00] <alex_joni> it should be fast ;)
[00:46:05] <alex_joni> I just spent 2 days on it
[00:46:20] <JT-Shop> Yikes!
[00:50:17] <andypugh> alex_joni: Sounds like a re-phrasing of the old Apple mantra: Hard is easy, Easy is hard. (Making things fast is slow)
[00:54:44] <alex_joni> yup
[00:54:53] <alex_joni> some more finishing touches and I'm off to bed
[00:55:07] <alex_joni> still 6 minutes till DST changes ;)
[00:56:46] <JT-Shop> thanks for fixing the map Alex
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[01:02:16] <micges> where that hour go?!?!
[01:16:14] <andypugh> Darn, even less sleep.
[01:16:48] <andypugh> And after I got up early (like, before 11am) to walk to the tool shop to buy some coolant. (they were shut, too)
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[01:18:18] <Tom_itx> ooo that works now
[01:18:21] <andypugh> I was almost relieved, as I wasn't sure I wanted to spend £80 and then walk back with 20l of coolant that will last me the rest of my life.
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[01:20:45] <Tom_itx> well it did until i refreshed
[01:21:19] <alex_joni> Tom_itx: sounds like you might have a connection issue.. if it times out during the kml loading, it might do that
[01:21:24] <alex_joni> try refreshing it
[01:21:26] <Tom_itx> probably so
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[01:21:40] <Tom_itx> we've had a few problems lately
[01:21:50] <Tom_itx> and this pc is very slow
[01:22:26] <alex_joni> that might be a reason.. there are a lot of pointers on the map ;)
[01:22:41] <Tom_itx> the pointers came up quick the first time
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[01:23:52] <alex_joni> it takes about 2-3 seconds for me
[01:24:12] <Tom_L> i've got old junk for pc's
[01:24:26] <Tom_L> clicking on one seems to kill it
[01:25:15] <alex_joni> this is a fairly recent quad-core I'm on..
[01:25:55] <Tom_L> i'm not seeing Stewarts or mine
[01:26:08] <Tom_L> pretty sure he would be registered
[01:26:21] <andypugh> 6 seconds here. And I have a pretty fast connection. (60MB)
[01:26:42] <andypugh> Wichita? MPM? I see him.
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[01:27:01] <Tom_L> i don't yet
[01:27:04] <Tom_L> yeah that's him
[01:27:04] <skunkworks> andypugh: did you indicate anything to see what was running out of round?
[01:27:28] <Tom_L> i'll try on the atom
[01:27:35] <skunkworks> andypugh: and did the belt fit?
[01:27:36] <andypugh> Not yet
[01:28:04] <andypugh> And I don't have a belt long enough to try really, but the short ones look good.
[01:28:24] <skunkworks> neat
[01:28:30] <andypugh> I have slight worry that I might have the gashing cutter, not the profile cutter.
[01:28:48] <atom1> andy i still don't see him
[01:29:11] <atom1> oh
[01:29:16] <atom1> it's no where near his shop
[01:29:23] <andypugh> Bel Aire?
[01:29:38] <atom1> yeah but that's not where the shop is
[01:30:05] <atom1> am i registered?
[01:30:08] <atom1> i think i am
[01:30:16] <atom1> can't find it anyway
[01:30:34] <andypugh> i thought it was graph paper, but those roads really do exist!
[01:30:46] <andypugh> That's just freaky.
[01:30:48] <atom1> haha
[01:30:54] <atom1> you don't have square roads there?
[01:31:12] <andypugh> No, our roads were laid out by cows heading to the river.
[01:31:37] <alex_joni> or the other way around
[01:31:41] <Tom_L> so why am i not showing up?
[01:31:51] <Tom_L> i'll look for jt
[01:32:02] <Valen> our roads were laid out by planners who wanted to minimise through traffic
[01:32:04] <alex_joni> Tom_L: maybe you didn't add your address
[01:32:16] <Valen> as such they resemble rabbit warrens
[01:32:30] <Tom_L> probably didn't
[01:32:34] <Tom_L> how do i fix that?
[01:33:06] <Tom_L> i found 'big john t'
[01:33:22] <alex_joni> Tom_L: you log in, go to 'My Profile' and add stuff ;)
[01:33:38] <Tom_L> will it refresh fairly quick?
[01:34:02] <alex_joni> it should instantly
[01:34:13] <alex_joni> it's actually My Profile, then Edit
[01:34:14] <andypugh> atom1: Look to the east of London, you will find me. No hint of a grid, and the whole city was built in the 1950s.
[01:34:31] <alex_joni> then you have 3 tabs - the last one is Geocode where you should have a position
[01:34:55] <andypugh> It looks like Wichita roads follow field boundaries. That is the case in the UK too. The difference is that the fields came first.
[01:34:59] <alex_joni> you can find the position on a google maps (right click where you like, and select 'what's here')
[01:35:05] <alex_joni> it'll tell you the lat/long
[01:35:43] <Tom_L> yeah i found andy
[01:36:37] <andypugh> I m not sure that "small-time developer" is still true.
[01:37:31] <alex_joni> heh
[01:37:40] <Tom_L> ok i should be there now
[01:37:45] <alex_joni> ok.. so we have consensus that things work?
[01:37:52] <alex_joni> Tom_L: where's there?
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[01:38:28] <Tom_L> wichita ks
[01:38:29] <Tom_L> usa
[01:38:45] <Tom_L> although it hasn't updated here yet
[01:38:57] <andypugh> Will you be at the LinuxCNC-fest then?
[01:39:08] <Tom_L> at stewart's place?
[01:39:14] <Tom_L> i dunno
[01:39:22] <Tom_L> where's it gonna be?
[01:40:37] <andypugh> Err, at Stewart's place?
[01:41:04] <Tom_L> MPM
[01:41:11] <Tom_L> S west st
[01:41:26] <Tom_L> it was there once i believe
[01:41:34] <alex_joni> Tom_L: I see your marker in the KML
[01:42:14] <Tom_L> it's not showing here yet
[01:43:59] <Tom_L> i honestly figured there would be more in this area
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[01:44:58] <alex_joni> there are a couple using the same coordinates
[01:45:02] <alex_joni> and they are piled up
[01:45:35] <alex_joni> 22 to be exact
[01:46:16] <Tom_L> i see 2 in the KC area
[01:46:23] <Tom_L> 5 in the Wichita ara
[01:46:34] <alex_joni> your marker is halfway between Coffeyville and Independence
[01:46:38] <alex_joni> SE of Wichita
[01:46:39] <Tom_L> and 1 around topeka
[01:47:54] <alex_joni> mind if I try to move you?
[01:48:28] <Tom_L> that's fine
[01:48:40] <Tom_L> i don't see it anyway
[01:48:49] <Tom_L> i see 2 in that area but neither are me
[01:50:06] <alex_joni> now you're in the middle of wichita ;)
[01:50:10] <atom1> yeah
[01:50:19] <atom1> that's actually pretty close
[01:50:52] <atom1> i'm south of the highway and w of the river though
[01:51:20] <andypugh> I now know where to look to steel ur stuffs.
[01:51:36] <Tom_L> you won't get much
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[01:53:25] <Tom_L> google used to show my camper in the drive, not sure if it's been updated or not since
[01:54:22] <alex_joni> well.. as fun as this is.. I'm off to bed
[01:54:26] <alex_joni> 5am again :/
[01:54:29] <Tom_L> thanks
[01:54:31] <alex_joni> night all
[01:56:01] <Tom_L> andypugh, even your 'straight' roads are crooked :)
[01:56:09] <andypugh> Thanks Alex
[01:56:46] <andypugh> Tom_L: Aye and Essex is flat enough to have no excuse.
[01:57:05] <Tom_L> you're big on roundabouts too
[01:57:22] <andypugh> Oh yes.
[01:57:38] <Tom_L> we've recently added a few around here
[01:58:04] <r00t4rd3d> http://i.imgur.com/4ZCXY0x.jpg
[01:58:07] <andypugh> They do work.
[01:58:08] <r00t4rd3d> what kinda wood?
[01:58:30] <Tom_L> beech or bass
[01:58:35] <Tom_L> something like that
[01:58:43] <Tom_L> maple maybe
[01:58:57] <andypugh> r00t4rd3d: Possibly Maple, but probably something more exotic.
[01:59:09] <andypugh> It's rather lovely.
[01:59:17] <Tom_L> it's somewhat the cut too
[01:59:31] <r00t4rd3d> lacewood
[02:00:03] <andypugh> Oh, so you were just asking to expose our ignorance? Pah!
[02:00:38] <r00t4rd3d> seeing if you knew
[02:00:54] <andypugh> I did wonder if it was Plane. http://en.wikipedia.org/wiki/Lacewood
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[02:03:58] <r00t4rd3d> "In the UK, it refers to the quartersawn wood of the related London Plane."
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[02:04:07] <r00t4rd3d> lol
[02:05:26] <andypugh> Oh look, someone can't spell: http://www.ebay.co.uk/itm/Renshaw-Mp3-Probe-/271177751112
[02:05:42] <Connor> nice
[02:05:52] <andypugh> I guess I need that?
[02:06:02] <jdh> most likely
[02:06:02] <Connor> Says he has 4
[02:06:32] <r00t4rd3d> do they play songs?
[02:06:42] <andypugh> I have placed about £300 of bids in the last 2 minutes.
[02:06:57] <andypugh> (err, 20 mins).
[02:07:54] <andypugh> There is a guy with lots of hobs who seems to be giving up on shifting them at £50 so is going to 99p no reserve. So I am snippping at £20.
[02:08:22] <andypugh> archivist: Err, are you the other bidder?
[02:09:28] <archivist> I cannot afford to be bidding on anything at the moment
[02:10:00] <andypugh> That's good for me, bad for you.
[02:10:00] <r00t4rd3d> i tried to bid but they wouldnt take my food stamps as payment
[02:10:34] <jdh> you can sell them for 50%
[02:10:35] <Tom_L> try using your tax breaks
[02:12:22] <archivist> tax breaks! do you understand NO income
[02:13:07] <Tom_L> it's called free handouts
[02:13:15] <Connor> http://robotiq.com/en/products/industrial-robot-hand
[02:13:22] <Connor> I want to make a smaller version of that..
[02:14:34] <archivist> you dont live in england where they just increased the council tax
[02:16:30] <jdh> what's a council tax
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[02:16:44] * Tom_L creates a user tax
[02:17:15] <jdh> how you pay for a council flat?
[02:17:27] <Tom_L> penthouse suite
[02:17:29] <archivist> jdh, a tax on your house
[02:17:48] <Connor> House or land or both ?
[02:18:46] <jdh> I pay the city a tax on my house, and the county a tax on my house
[02:18:55] <jdh> and on my cars, boat, etc
[02:19:28] <Connor> We have City, County , State Sales Tax. (Well In My state, we don't have a tax.. but 1 of only 2 states that don't) , Then State and Federal Income tax.
[02:19:33] <Tom_L> and about 15 different phone taxes
[02:19:34] <Connor> Then Property Tax..
[02:19:38] <Connor> and Use tax.
[02:20:26] <jdh> but, no TeeVee tax
[02:21:27] <Connor> Freaking Use tax stupid.. (for business) Basically have to pay a tax on equipment we own each year.. it gets depreciated.. but, still have to pay for it.. not that much $$$ but it's still stupid..
[02:21:51] <jdh> but, you didn't have to pay sales tax in it?
[02:22:48] <Connor> Not if it's for resale.. but, if it's for internal use you do.
[02:23:07] <jdh> that's lame
[02:23:19] <Connor> You buy a stapler at the Office supply place.. you pay tax.. you still have to pay a use tax each year on it.
[02:24:02] <Connor> It's stupidly LOW amount.. but a PITA in book keeping.
[02:24:38] <Connor> and if you don't do it.. they "asses" your property based on some magic number they pull out of their a$$'s.
[02:24:42] <jdh> "we don't have that any more"
[02:24:53] <Connor> which is almost 10X's the amount it should be.
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[02:25:38] <jdh> but, you get to pay self-employment tax to make up for it.
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[02:26:17] <Connor> We're running as a Corp.. So non of that.. but, geez... the amount we have to pay...
[02:26:24] <Connor> I swear I want to cook the books.
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[02:28:22] <Tom_L> LLC or S ?
[02:28:28] <Connor> S Corp
[02:29:00] <Tom_L> i've done S corp before
[02:29:24] <Tom_L> C is much worse than S
[02:29:35] <pcw_home> should 5% appear too small,
[02:29:37] <pcw_home> be thankful I don't take it all
[02:30:06] <Connor> Yea.. It's all a PITA.
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[02:43:09] <r00t4rd3d> http://i.imgur.com/dQQ3b.gif
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[02:47:11] <seb_kuzminsky> top
[02:47:17] <seb_kuzminsky> doh
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[03:12:43] <andypugh> This is a really good TV series: http://www.ovguide.com/tv/mastercrafts.htm and I say that as someone who has had a god go at half of them. They all seem good, but I especially enjoyed weaving and stonemasonry.
[03:15:50] <Tom_itx> i used to have a friend that had a stained glass shop
[03:17:18] <Tom_itx> never got into it myself but it was interesting
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[03:43:06] <andypugh> I really enjoy doing stained-glass. But I don't really like the finished product.
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[03:59:33] <t12> archivist: grinding the jaws on that lathe with your method worked really well
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[04:27:16] <Connor> okay, so, designing a robotic arm.. Was planning on using window motors with encoders.. then I realized, that, it would have to home the arm every time I turned it back on..
[04:27:22] <Connor> any thoughts?
[04:29:29] <Connor> I guess I need absolute encoders.. but.. I've never used those before.. and not sure how expensive they are..
[04:32:15] <ProxDem> well you could dump the last know coordinates on shutdown to an NVRAM or flash/eeprom and keep going from there and have the occasional rehome
[04:32:15] <Valen> decenltly more
[04:32:30] <Valen> unless you can use something like those magnetic absolute encoders
[04:32:47] <ProxDem> or use an absolute encoder
[04:32:50] <ProxDem> rotary styl
[04:32:53] <ProxDem> damn Valen beat me to it
[04:33:11] <Connor> dumping position won't work.. arm will most likely move on power down.
[04:33:11] <andypugh> Connor: Where are the encoders?
[04:33:31] <Connor> Don't have any yet. I was thinking of the AMT102's.. but those are just incremental.
[04:33:45] <ProxDem> Connor: then an absolute encoder would be the way togo
[04:34:23] <andypugh> If they are in the joints, then something absolute would work, if it is on the motors you might need multi-turn absolute.
[04:34:32] <Valen> you could perhaps combine the two
[04:34:41] <Valen> absolute + incremental
[04:34:46] <Connor> andypugh: On joints most likely
[04:35:31] <Connor> I mean.. I guess I could use POT's.. but.. I wanted something a little more accurate than that..
[04:37:04] <andypugh> I am a real fan of resolvers
[04:38:05] <andypugh> But I don't think you would want to buy them new, they are not cheap.
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[04:39:37] <andypugh> But in principle they are absolute and the accuracy is limited only by your other hardware. The Mesa 7i49 handles 6 of them to 24 bits reslution and 16 bits accuracy.
[04:40:25] <Connor> andypugh: This isn't a CNC arm.. Just a robot arm for use on a personal robot.. no MESA or linuxcnc involved.. I was just asking here because i know some of the principles still apply. :)
[04:40:40] <ProxDem> Connor: absolute rotary encoders are cheap
[04:42:05] <andypugh> Connor: I am not sure how that changes anything?
[04:42:31] <ProxDem> a good MCU program can take care of all that
[04:42:46] <ProxDem> regardless if it's AVR or PIC or Propellers or TI etc
[04:42:59] <Connor> andypugh: May not.. I was just clarifying the intended purpose.
[04:43:16] <Connor> http://www.digikey.com/product-detail/en/AMT203-V/102-2050-ND/2278846
[04:43:26] <Connor> okay. Not too bad. $48.65
[04:44:47] <s1dev> anyone know how thick of a piece of aluminum a 120W laser can cut?
[04:45:31] <andypugh> I do happen to have a set of three of these, that I bought on eBay (drink was involved) and I would like them to find a home. http://www.librascopememories.com/Librascope_Memories/Product_Literature_files/Shaft%20Encoders%20-%201967.pdf
[04:46:15] <andypugh> They are a 2-stage encoder, one at shaft speed and one geared down, 13 bits absolute.
[04:46:42] <Connor> wow, those look old.. :)
[04:47:04] <andypugh> I imgaine they were _colossaly_ expensive when they were made (before I was born)
[04:47:41] <andypugh> (there are several pages, scroll down)
[04:47:57] <Connor> I did. Looks like they're mechanical...
[04:47:58] <Connor> wow.
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[04:50:55] <Connor> now, to figure out now to mount these encoders to the motors...
[04:51:24] <Connor> I may have to make new drive pins.. they only go up to 8mm.. and the pin is closer to 9..
[04:51:29] <andypugh> Googling them found me all sorts of stuff. They are "General Precision" which is the "GP" in the LGP-30 http://en.wikipedia.org/wiki/LGP-30 which is the drum-memory computer in the programmer-folklore tale of Mel: http://en.wikipedia.org/wiki/The_Story_of_Mel
[04:51:31] <Connor> might be able to turn it down..
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[04:55:27] <Connor> it's going to cost a small fortune to build this freaking arm.. $50.00 a pop for the encoders... each motor needs it's own H-bridge, and then the motor itself..
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[04:56:54] <Connor> and then some sort of micro for them.. maybe 1 for each.. or one large one..
[04:57:28] <andypugh> Do you want these Librascope things? I paid £17 for all three, and they are lovely old things.
[04:57:47] <Connor> andypugh: I haven't a faintest idea what I would do with them... :)
[04:58:22] <andypugh> Put them on the motors (geared down) and have absolute position to 13 bits?
[04:59:53] <Connor> honestly.. I think they're a bit bulky.. i'm not sure how I would use them.. I kinda need through shaft design like that AMT203
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[05:02:04] <andypugh> They are quite small, but if I can't give them away, I wlll keep them :)
[05:02:22] <Connor> You'll find something to use them for.
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[05:13:53] <andypugh> Time to get up, (6am) but as I haven't slept yet, I think I will do the opposite. Night, err, moning all.
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[06:46:32] <Jymmm> Would it be sacrilege to convert my IBM Model M to USB?
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[07:31:30] <fragalot> Jymmm: just clip on an adapter
[07:32:11] <Jymmm> fragalot: I guess
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[07:57:09] <DJ9DJ> moin
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[08:25:15] <Loetmichel> mornin'
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[08:51:27] <ReadError> hey guys
[08:51:37] <ReadError> is there anything i can use to measure lines in gcode?
[09:08:32] <Vq> How many lines and how often?
[09:10:20] <ReadError> well
[09:10:31] <ReadError> i was just wondering if theres "digital calipers" i could use
[09:10:37] <ReadError> to check my gcode output
[09:13:21] <Vq> I don't know of any.
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[11:28:42] <r00t4rd3d> you wanna measure your code?
[11:28:52] <r00t4rd3d> ReadError
[11:29:22] <r00t4rd3d> wtf you doing up at 5am messing with that shit anyway
[11:31:00] <Tecan> bing
[11:32:13] <jthornton> bong
[11:34:16] <ReadError> r00t4rd3d i work diff hours
[11:35:56] <r00t4rd3d> selling crack on the night shift?
[11:36:06] <Spida> r00t4rd3d: what timezone?
[11:36:12] <r00t4rd3d> eastern
[11:36:37] <ReadError> r00t4rd3d you know it
[11:36:44] <Spida> gmt+2 here *g*
[11:41:26] <r00t4rd3d> you got all the dxf's for a quad copter done yet?
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[12:59:02] <IchGuckLive> is the THC volts in AC or in DC 116 as on datasheet ?
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[13:30:39] <r00t4rd3d> does the thc use a battery?
[13:31:35] <IchGuckLive> myne ? i use a Voltmeter but i got nothing
[13:31:35] <r00t4rd3d> what is listed for the volts? #
[13:37:28] <IchGuckLive> volt V
[13:37:34] <IchGuckLive> nothing in the sheet
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[13:45:03] <archivist> how does the world know what datasheet is being looked at
[13:46:56] <IchGuckLive> i use a hypertherm plasma powrmax 45
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[13:53:18] <Tom_itx> jthornton, atmel chip selector: http://tinyurl.com/c9dhrho
[13:55:30] <Tom_itx> if you have specific requirements
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[13:59:54] <IchGuckLive> do i need to load the comp in a hal or is the comp inside linux now
[14:00:03] <IchGuckLive> if i did "sudo comp --install thcud.comp
[14:00:12] <IchGuckLive> im not getting a error but it also not woekingv
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[14:19:44] <IchGuckLive> jthornton: ?
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[14:52:20] <IchGuckLive> hi servos4ever
[14:52:49] <IchGuckLive> my cheef is asking for more pricise on the stepper so servo will be the expensiv option
[14:53:39] <IchGuckLive> servos4ever: is it posible to go for stepdir so i need no other electronics for the mashine ony the servo and the driver
[14:53:48] <IchGuckLive> or is this also garbige
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[14:58:36] <andypugh> I don't see any fundamental problem with controlling a serve with a step/dir pulse train. If you use a velocity-mode stepgen it is just anouther way to send speed/direction data and not fundamentally different to any other way of controlling a servo.
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[15:04:52] <pcw_home> Its certainly possible to run step/dir servos with just a parallel port (either closed or open loop)
[15:04:54] <pcw_home> The limitation is step rate vs servo resolution and encoder count rate for closed loop systems
[15:05:06] <IchGuckLive> istill have no return data then does the controler backup the pulses
[15:05:41] <pcw_home> Yes you use the servo just like a step drive
[15:05:55] <IchGuckLive> so what is the goal then
[15:06:04] <IchGuckLive> spend more money
[15:06:43] <IchGuckLive> one servo 400W is more then 3 Stepper at 12Nm with drives
[15:08:11] <pcw_home> If you are ok with the step rate limits and lack of feedback to LinuxCNC,
[15:08:13] <pcw_home> a servo driven in step/dir mode is scaleable to much larger sizes than a step motor
[15:08:52] <pcw_home> and will give a reliable fault signal ifs stalled
[15:11:56] <IchGuckLive> thanks is the cable Standarisised to get them on the 7i77
[15:12:59] <IchGuckLive> there is a 7i76 in so step dir is ok
[15:13:14] <IchGuckLive> but i think with servo better to go as far as 7i77
[15:13:32] <IchGuckLive> and pull all sig throu the system
[15:13:55] <IchGuckLive> i still hope that the price is to high for him to pay of
[15:14:14] <IchGuckLive> 12Nm is a bounchh of force
[15:14:25] <ReadError> i was thinking about putting a nema34 on my Z axis
[15:14:40] <ReadError> do they make breakout boards where i can easily pinout those pins?
[15:14:45] <Tom_itx> why not put a counterweight on it instead?
[15:15:09] <ReadError> me? its a heavy Z axis
[15:15:22] <Tom_itx> so are elevators
[15:15:28] <Tom_itx> they use counterweights
[15:17:37] <archivist> you need grunt to accelerate a large mass
[15:18:46] <IchGuckLive> do i need a servotread for a rtpi comp in hal or just loadrt
[15:23:11] <pcw_home> you normally need to attach the component to a thread with addf
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[15:36:39] <IchGuckLive> i wait till jthornton is here its his comp and im not getting it to work
[15:37:17] <IchGuckLive> i try to hijack Z with a pyvcp button
[15:37:35] <IchGuckLive> manual THC
[15:37:43] <IchGuckLive> with a voltmeter
[15:37:47] <IchGuckLive> O.O
[15:37:55] <IchGuckLive> B)
[15:38:01] <IchGuckLive> coffee time By
[15:38:42] <skunkworks> Mmmm coffee
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[16:27:08] <andypugh> Mwahaha! I just won a "Renshaw" probe on that eBay. I suspect that a "Renishaw" one would have been a lot more expensive :-)
[16:28:18] <Tom_itx> i bet
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[16:34:41] <andypugh> Hmm, it appears to have an inductive transmission system. That might be interesting. (or it might just get removed)
[16:35:46] <Tom_itx> we had one with IR mounted in the cnc
[16:48:14] <skunkworks> pcw_home: how flexable is the 5i20 - how many pwm gens vs encoder counters.. Could you theoretically run a pwm + dir amp system with it (with ttl encoders...)
[16:48:21] <skunkworks> *5i25
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[16:58:42] <pcw_home> skunkworks: Yes (there are 5I20 and 5I25 configs for that)
[16:59:19] <pcw_home> 5I20 with 7I52-S 5I25 with 7I85-S
[17:03:07] <pcw_home> 7I52-S = 6 TTL/DIFF encoder inputs, 6 PWM/DIR outputs
[17:03:09] <pcw_home> 7I85-S = 4 TTL/DIFF encoder inputs, 4 PWM/DIR outputs, 1 sserial exp port
[17:03:36] <pcw_home> (of course PWM/DIR can be STEP/DIR as well)
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[17:04:12] <ReadError> any gecko 540 users here?
[17:04:24] <ReadError> was wondering if i could remap my z axis to some of the aux pins
[17:04:29] <ReadError> since i only need 2
[17:04:42] <ReadError> to use an external driver instead of the built in one
[17:05:20] <IchGuckLive> just open the case and conect to the opo outputs
[17:10:09] <pcw_home> or insert a little M-F DB25 cable and break put the wires
[17:10:27] <ReadError> yea i was thinking their is some breakout adapter
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[17:10:38] <ReadError> that i could just run inline and tap the 2 pins
[17:11:22] <ReadError> https://dl.dropboxusercontent.com/u/25091878/Photo%20Mar%2031%2C%2012%2059%2007%20PM.jpg
[17:11:28] <ReadError> my latest project
[17:14:45] <IchGuckLive> doesent need the rotors to be crossed by color
[17:15:02] <IchGuckLive> as they are left and right
[17:16:01] <IchGuckLive> diagonal B)
[17:16:13] <ReadError> green = front
[17:16:15] <ReadError> red = rear
[17:16:19] <ReadError> orange*
[17:16:29] <ReadError> but this is for FPV, so it doesnt matter much
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[17:17:30] <DJ9DJ> re
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[17:19:25] <IchGuckLive> ReadError: did you already fly it
[17:19:36] <ReadError> yea
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[17:40:51] <DJ9DJ> re
[17:40:54] <IchGuckLive> now as the sun sets it is getting clear after a bad weather day on easter
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[17:48:00] <IchGuckLive> by for today
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[20:18:52] <LeelooMinai> Any idea why a counterbore bit for M6 screw has 6.2mm pilot?
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[20:25:00] <andypugh> LeelooMinai: Because 6.2 is the standard screw clearance size.
[20:25:18] <andypugh> I have seen conterbores with 6.5mm pilots, but that seems too sloppy to me,
[20:25:56] <skunkworks> https://www.youtube.com/watch?v=PC3N-uadAk0
[20:26:05] <LeelooMinai> Hmm... I guess I am confused about the order this is done... Doesn't a tapped M6 hole have more like 4.2mm clearance?
[20:26:20] <LeelooMinai> 5mm that is*
[20:27:02] <andypugh> There isn't much call for a tapped, counterbored, hole.
[20:27:28] <LeelooMinai> O, wait...
[20:28:22] <LeelooMinai> Right... for some reason I was thinking that the hole will be tapped, but you are right - I just need clena hole and I will tapp the other plate
[20:29:18] <andypugh> And the 6.2 clearance size gives you a bit of wiggle room if your taped holes aren't in exactly the right place.
[20:29:56] <LeelooMinai> Hmm... but now that seems a bit small - I mean, if I want to adjust the position later a bit, isn't 0.2mm a small room for adjustment?
[20:30:29] <LeelooMinai> Also... how do I drill 6.2mm hole:)
[20:31:22] <skunkworks> we did some work for a guy that always did things manually.. He went 1/8 bigger in clearance holes. when we did the parts on the cnc we used fractional bigger (1/32 iirc).. He was so surprised that everything went together...
[20:33:02] <LeelooMinai> Ok, I am a bit new to all of this, but I am designing CNC machine. I bought, what I believe correct drills for tapping: 4.2mm, 5 and 6.8, but now I have to use some sane drills for those pilot holes
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[20:33:47] <LeelooMinai> As I see that they have those 6.2mm pilots on couterbore bits... If I drill larger holes, those bit will not center, right?
[20:34:16] <LeelooMinai> http://www.aliexpress.com/item/Free-Shipping-New-1pcs-4-Flute-HSS-AL-Counterbore-End-Mill-6-2X10-4mm-M6-metric/620693003.html
[20:34:33] <LeelooMinai> ^ THis is the counterbore I am talking about
[20:35:17] <LeelooMinai> Or maybe I could drill twice or something? First 6mm, then use this counterbore, and then use another bit to enlarge the 6mm one?
[20:36:19] <pcw_home> probably want a 6.2 mm drill (they are standard)
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[20:37:14] <LeelooMinai> Right... I am worried though that this will prevent me from any adjustment therafter
[20:37:43] <LeelooMinai> Not sure if I will be able to make everything fit that precise using the tools I have
[20:39:21] <pcw_home> You could drill the 6.2 hole out larger later, but it will keep the counterbore concentric with the hole
[20:39:49] <LeelooMinai> Right, ok, thx - I guess I will need to chase those 6.2mm drills
[20:41:02] <gene77> I'll bite, whats wrong when code that runs great in sim mode, claims the vars I assign at the top of the file are "read only" when loaded on the real machine?
[20:41:11] <gene77> I own the file BTW
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[21:18:06] <andypugh> LeelooMinai: Use 6.5mm. Especially if drilling by hand.
[21:18:45] <andypugh> (If you have 6.5 and not 6.2)
[21:19:57] <andypugh> And the trick is often to drill through both parts with the tapping drill, then enlarge the clearance hole in just the top part.
[21:21:03] <andypugh> Alternatively, if the top hole already exists, spot through with the clearance drill to make a starting dimple for the tapping drill.
[21:22:15] <DJ9DJ> gn8
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[21:44:29] * Tom_itx thinks jthornton's been painting easter eggs all day
[21:55:16] Martyn is now known as Guest75935
[21:58:29] <andypugh> I have not paid any attention at all to the Easterness of today. Not even to the extent of eating chocolate.
[22:06:38] <r00t4rd3d> todays easter/
[22:06:39] <r00t4rd3d> ?
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[22:07:07] <r00t4rd3d> stupid religious holidays
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[22:07:28] <andypugh> No holidays are stupid :-)
[22:08:13] <r00t4rd3d> especially Ramadan
[22:09:15] <r00t4rd3d> dwi arrest in my town:
[22:09:21] <r00t4rd3d> "Mr. Meeks allegedly asked a deputy to "stop at the Fairground Inn so he could have a beer," according to police documents."
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[22:09:35] <r00t4rd3d> on his way to jail
[22:10:00] <r00t4rd3d> after a foot chase
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[23:16:30] <r00t4rd3d> https://www.google.com/intl/en/landing/nose/
[23:17:49] <L84Supper> http://phys.org/news/2013-03-tokyo-smelling-screen-demo-scents-virtual.html perfect for these
[23:18:43] <L84Supper> I wish I had a camera that captures odors, sometimes an odor is worth a 1000 pictures
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[23:26:57] <andypugh> Clearly Google work in GMT :-)
[23:29:13] <pcw_home> Hey that link lead me to a article about the impedance of free space
[23:29:15] <pcw_home> being determined by the virtual particle density, which is just plain amazing
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[23:36:07] <r00t4rd3d> i wish smart devices could detect and emit scent. I would IM everyone farts.
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[23:37:22] <r00t4rd3d> sunday 8pm and reddit is broke, shocker
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