#linuxcnc | Logs for 2014-11-15

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[00:30:58] <andypugh> Rab: Well, the bearings will always be backlash-free. Eventually the bearing surface will be large and spherical, so the wear rate will reduce (though re-calibration might be needed). I think it might work rather well. If it doesn’t then the principle would also work with cast-iron cups rather than directly into the magnet, and hardened steel / cast iron pairs last really well in old-school lathe spindles.
[00:31:57] <andypugh> The ball/magnet idea has been used for quite a long time in the Renishaw test bar system.
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[00:32:27] <andypugh> http://www.renishaw.com/en/test-theory-and-practice--6818
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[00:32:57] <andypugh> (In fact the 3D printer might be in breach of a Renishaw patent)
[00:35:15] <zeeshan> so i didnt use the din rail adapters for the 7i77
[00:35:26] <zeeshan> then a vision came to me
[00:35:32] <zeeshan> https://www.flickr.com/photos/128539016@N05/15790564825/
[00:35:43] <zeeshan> https://www.flickr.com/photos/128539016@N05/15605738830/
[00:35:47] <zeeshan> din mounted comp power supply!
[00:35:47] <zeeshan> :D
[00:38:16] <andypugh> I was offered the chance to buy a few more of these https://picasaweb.google.com/lh/photo/AXPmMc9GjIwEuk-7UFsH6dMTjNZETYmyPJy0liipFm0?feat=directlink (24V 2kW supply). The guy wanted £20 each. I can’t recall why I didn’t bite his hand off.
[00:39:00] <zeeshan> thats a lotta power
[00:39:08] <zeeshan> the big ass blue one?
[00:39:13] <andypugh> (the second PSU underneath is now gone, all the other DC voltages are now from the 24V suply via little DC-Dc converters.
[00:43:58] <andypugh> Actually, I might be wrong, perhaps it is only 500W. Even then they are £400 new.
[00:44:18] <andypugh> (So I should have bought all 6 he was offering)
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[02:35:29] <jdh> yep.
[02:36:06] <zeeshan> yep?
[02:36:20] <renesis> never.
[02:37:24] <jdh> nope
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[02:52:20] <PetefromTn_> https://www.youtube.com/watch?v=vA0k8i9VPNA This is an impressive little benchtop mill I have never seen before. I like the rotary unit too.
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[02:57:10] <tjtr33> PetefromTn_, i thinks its a Mactep MC51, seen 'em before, very nice.
[02:57:18] <Tom_itx> yeah i wouldn't mind that sitting in my garage
[02:57:35] <PetefromTn_> I like the base of the column on it
[02:57:36] <zeeshan> PetefromTn_: hvac status?
[02:57:41] <tjtr33> SMithy had a similar machine when the linuxcnc fest was held there, umpteen years ago
[02:57:46] <PetefromTn_> It is like what an RF45 should have been LOL
[02:57:59] <PetefromTn_> zeeshan You would not believe it man
[02:58:09] <zeeshan> didnt work? :/
[02:58:10] <PetefromTn_> I took that damn drawing all over town
[02:58:32] <PetefromTn_> everyone wanted an arm and a freakin' leg to cut and bend the damn thing
[02:58:38] <zeeshan> let me guess
[02:58:40] <zeeshan> 500$?
[02:58:47] <PetefromTn_> so I decided to just buy some sheetmetal and make them
[02:59:09] <PetefromTn_> I did have to shorten the drawing because the only sheetmetal I could find reasonably priced was 24x36
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[02:59:30] <PetefromTn_> so after shortening them enough to add in the damn tabs for joining it to the existing ducting
[02:59:39] <PetefromTn_> I have a drawing to work from now.
[02:59:52] <PetefromTn_> I got enough to make both of them I think
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[03:00:03] <zeeshan> sweet man
[03:00:06] <PetefromTn_> so tomorrow morning we will be laying it out and bending it here in the shop
[03:00:08] <zeeshan> definitely post some pics of them when youre done
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[03:00:17] <zeeshan> it's kind of a cool shape
[03:00:17] <zeeshan> hehe
[03:00:22] <zeeshan> especially with the offset
[03:00:39] <PetefromTn_> I ALMOST got on here and asked you if you could make them again in 23 or 22 inch length but I think I have the drawing modified correctly
[03:00:45] <Tom_itx> PetefromTn_ i needed a part just like that video is cutting a while back
[03:01:14] <PetefromTn_> yeah they will probably not be all that pretty when I finish them because I will not have access to a proper bender
[03:01:26] <PetefromTn_> and I am going to have to lay it out all by hand
[03:01:38] <zeeshan> it might be worth printing it out on a plotter?
[03:01:39] <PetefromTn_> but it will be worth it to save the cost of having them made
[03:01:41] <zeeshan> do you guys have a staples there?
[03:01:48] <PetefromTn_> I wish I had a damn plotter LOL
[03:01:51] <zeeshan> its like 5-6 bux here to print it out on a plotter
[03:01:51] <PetefromTn_> sure
[03:01:52] <zeeshan> up here
[03:01:54] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/temp/thread1.jpg
[03:01:55] <zeeshan> @ staples
[03:02:04] <PetefromTn_> it is like 24x28"
[03:02:04] <XXCoder> wookdgears has something called bigprint program
[03:02:04] <zeeshan> it'll save you a shitload of time
[03:02:08] <Tom_itx> looks quite similar to the part in the video
[03:02:15] <XXCoder> it uses regular paper to make large print areas
[03:02:18] <zeeshan> PetefromTn_: another thing ive done
[03:02:22] <zeeshan> is cut it intos ections
[03:02:26] <zeeshan> and joined the papers together
[03:02:32] <zeeshan> kinda like XXCoder is saying
[03:02:32] <PetefromTn_> Tom_itx That looks like a cool acme thread or somethign
[03:02:34] <zeeshan> but manually
[03:02:48] <Tom_itx> 3 tpi
[03:02:57] <XXCoder> make sure to make it overlap a little so you has room to tape
[03:02:57] <Tom_itx> regular thread
[03:03:00] <XXCoder> edge to edge sucks
[03:03:04] <PetefromTn_> ya know I may call them and ask them what they would charge to print the sucker
[03:03:30] <Tom_itx> ~1.25 diameter or so
[03:03:36] <PetefromTn_> I am going to add tabs on both pieces
[03:03:48] <PetefromTn_> Oh yeah I also cut it in half so I can make it in two halves
[03:04:16] <PetefromTn_> and I shortened it enough to add in the joining tabs for where it will intersect the original ductwork
[03:04:38] <PetefromTn_> what sucks is it is cold as shit here right now
[03:04:47] <PetefromTn_> tomorrow is not supposed to be much better.
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[03:05:10] <PetefromTn_> so I will be having to do it all in the shop as much as possible then taking it outside.
[03:05:56] <PetefromTn_> I was looking at one of these machines today. Wish I had some spare change to buy one.
[03:06:01] <PetefromTn_> http://www.northerntool.com/shop/tools/product_623_623
[03:06:12] <PetefromTn_> Thanks for the idea of printing it at staples
[03:06:19] <PetefromTn_> that will make it a lot easier
[03:06:39] <zeeshan> i was suprised at how cheap they were to print out big drawings
[03:06:53] <zeeshan> but they're still not as cheap as free :(
[03:07:06] <PetefromTn_> yeah if it is like $5 It would be worth it just so I don't mis measure the shit.
[03:07:25] <XXCoder> yeah them sheets is expensive. $5 is worth it
[03:07:35] <zeeshan> isnt hvac stuff
[03:07:39] <zeeshan> aluminized sheets?
[03:07:46] <zeeshan> aluminized steel
[03:07:50] <zeeshan> or is it aluminum
[03:07:52] * zeeshan doesnt know
[03:08:01] <PetefromTn_> no its galvalized steel sheet
[03:08:15] <zeeshan> is it more expensive vs mild steel?
[03:08:24] <Tom_itx> about the same
[03:08:30] <Tom_itx> maybe a bit more
[03:09:12] <PetefromTn_> actually it was not that expensive
[03:09:21] <PetefromTn_> the 24x36 sheet was less than ten bucks
[03:09:26] <zeeshan> hah
[03:09:27] <PetefromTn_> but I need four of them
[03:09:44] <PetefromTn_> Wish i could swing buying that northern tool thing
[03:09:53] <PetefromTn_> Looks like it would make this a piece of crumb cake
[03:10:05] <zeeshan> PetefromTn_: honestly man
[03:10:06] <PetefromTn_> there is actually one on the local craigslist for $400.00
[03:10:09] <zeeshan> when you go to shops and get quotes for that
[03:10:14] <zeeshan> doesnt it make you mad?
[03:10:22] <zeeshan> i mean if you were a clueless person
[03:10:24] <zeeshan> it might be okay
[03:10:32] <PetefromTn_> They wanted $95.00 each piece
[03:10:34] <zeeshan> but youre well versed in how things get made
[03:10:37] <PetefromTn_> plus materials
[03:10:49] <zeeshan> lol
[03:11:01] <zeeshan> i mean if it was my shop, i'd think of it like this
[03:11:04] <zeeshan> "stack 4 sheets"
[03:11:09] <zeeshan> "shear outside shape"
[03:11:10] <PetefromTn_> honestly I was more upset when one shop quoted me $35.00 over the phone after I explained what I needed
[03:11:13] <zeeshan> "bend"
[03:11:14] <zeeshan> 1hr job
[03:11:25] <zeeshan> $60 for materials
[03:11:40] <PetefromTn_> and when I showed up to pay and order it they basically tripled the price saying they did not understand what I meant
[03:11:43] <zeeshan> 120 for bending
[03:11:56] <zeeshan> wow
[03:11:57] <zeeshan> lol
[03:12:06] <renesis> they are not trying to make frens
[03:12:17] <PetefromTn_> I don't mind paying for good work but jeez man it is a simple sheetmetal tube
[03:12:34] <zeeshan> i honestly would pay upto 200bux for that work
[03:12:37] <PetefromTn_> I honestly wondered if they just priced it like they did not want to be bothered with it.
[03:12:40] <zeeshan> anything more than that, i know i am getting ripped
[03:13:13] <PetefromTn_> but I went to three different local shops and it was the same shit basically most did not want to mess with it.
[03:13:33] <zeeshan> they dont need your business
[03:13:35] <zeeshan> youre a little guy
[03:13:55] <zeeshan> i remember when i used to take aluminum piping for welding
[03:13:57] <PetefromTn_> When I told them that I already had a damn .dxf CAD drawing of it made in solidworks they laughed and said they have been there before and not had good experiences with it so they did not want to make it form the drawings.
[03:13:57] <zeeshan> 8 welds..
[03:14:05] <zeeshan> $45 per weld
[03:14:09] <zeeshan> (tig welding)
[03:14:28] <PetefromTn_> Fuckers..
[03:14:43] <zeeshan> experiences liek this
[03:14:49] <zeeshan> is the reason we end up with big ass machine tools in our garage
[03:14:49] <zeeshan> haha
[03:15:03] <PetefromTn_> Oh well I will make it myself and it will be as good as I know how to make it
[03:15:10] <PetefromTn_> should be more than fine
[03:15:25] <PetefromTn_> just wish I had a reasonable brake here to do the bends easier
[03:15:38] <PetefromTn_> going to have to do it the cave man way again ;)
[03:15:42] <zeeshan> since you're going fairly thin stuff
[03:15:45] <zeeshan> cant you use an angle iron
[03:15:51] <zeeshan> to help you bend @ each bend line
[03:15:56] <zeeshan> and just bend by hand?
[03:16:03] <PetefromTn_> yeah clamping an angle to the bench and bending from there
[03:16:08] <PetefromTn_> its thin shit
[03:16:13] <PetefromTn_> should be pretty easy
[03:16:44] <PetefromTn_> I might be able to clamp two pieces of short angle together or something
[03:16:51] <PetefromTn_> I will figure something out.
[03:17:10] <PetefromTn_> I can probably bend it by hand almost against a straight edge it is so thin.
[03:17:33] <PetefromTn_> That little mill is pretty cool.
[03:17:56] <PetefromTn_> I like how wide the Z dovetail looks and how the Z column base is triangulated outward.
[03:18:13] <PetefromTn_> It also looks belt driven from the factory
[03:18:27] <PetefromTn_> much nicer than an RF45 comes
[03:18:41] <PetefromTn_> Has Connor been in here today?
[03:18:58] <jdh> http://knoxville.craigslist.org/tls/4754065282.html
[03:18:59] <PetefromTn_> He spent the last two days in my shop working on his 0704
[03:19:21] <PetefromTn_> LOL yeah I saw that
[03:19:27] <PetefromTn_> sucks to be broke
[03:19:40] <PetefromTn_> after buying this damn air conditioning unit and all the stuff to install it
[03:19:44] <PetefromTn_> and the new to me CNC lathe
[03:19:46] <jdh> http://knoxville.craigslist.org/tls/4726206367.html
[03:19:52] <PetefromTn_> and paying for gas and trailering it here
[03:19:54] <jdh> that guy is delusional
[03:19:58] <PetefromTn_> I am basically broke as shit
[03:20:13] <PetefromTn_> yeah that is not gonna happen
[03:20:24] <PetefromTn_> maybe under a grand if it is pristine
[03:20:35] <PetefromTn_> he has been selling those for awhile now
[03:21:06] <Connor> Dang it..
[03:21:15] <Connor> I'm a little aggravated..
[03:21:27] <Connor> I got one of those HB04 pendants (wired, not wireless)
[03:21:59] <Connor> and it's not working quiet right.. The mpg isn't registering direction change consistently.
[03:21:59] <PetefromTn_> whassammatta?
[03:22:23] <PetefromTn_> oh really I was hoping it was really nice and precise
[03:22:26] <Connor> I thought maybe because I was running it in the sim
[03:22:28] <PetefromTn_> It looks like a nice unit
[03:22:53] <Connor> but, no.. i checked it out on my real time machine.. and it's still acts just as strange.
[03:23:05] <PetefromTn_> what is it doing?
[03:23:24] <Connor> It'll start counting up.. and the just switch to down... for 5-10 clicks.. and then back up..
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[03:23:51] <Connor> I'm not sure if it's a driver issue, the mpg encoder, or firmware on the pendant.
[03:24:00] <PetefromTn_> you mean you turn the wheel in the same direction and it sometimes goes in the wrong direction?
[03:24:05] <Connor> yes.
[03:24:12] <PetefromTn_> damn that is not good
[03:24:16] <Connor> No. It's not.
[03:24:36] <zeeshan> ownt
[03:24:37] <PetefromTn_> does it switch between axes correctly?
[03:24:39] <zeeshan> :P
[03:24:52] <Connor> and the unit I wanted was the 16-button version.. they sent the newer one.. paid $30.00 more
[03:25:00] <Connor> thinking I was getting the 16-button version.
[03:25:16] <Connor> I think I'm going to send this one back and order another from a different vendor.
[03:25:33] <PetefromTn_> https://www.youtube.com/watch?v=HiCpUB6TpdA
[03:25:41] <Connor> Yes, it switches correctly between axis..
[03:26:02] <PetefromTn_> does it malfunction in any axis?
[03:26:09] <Connor> yes.
[03:26:25] <PetefromTn_> maybe there is something wrong with the encoder wheel wiring
[03:26:42] <Connor> I checked it.. it looked good.
[03:26:51] <Connor> I'll double check it.
[03:26:56] <PetefromTn_> you took it apart?
[03:27:03] <Connor> 6 screws. :)
[03:27:13] <PetefromTn_> damn
[03:27:23] <Connor> not the wheel, just the pendant.
[03:27:31] <PetefromTn_> you could probably easily check the wheels function with a meter
[03:27:47] <Connor> I'm not sure it's a standard MPG..
[03:27:50] <PetefromTn_> to make sure it is outputting the correct
[03:27:55] <PetefromTn_> oh really
[03:28:08] <Connor> it's Has F, B, VCC, GND
[03:28:13] <PetefromTn_> they are basically made using magnets
[03:28:25] <Connor> F instead of A ??
[03:28:49] <PetefromTn_> who knows..
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[03:33:20] <PetefromTn_> What's a good filetype to take over to Staples to print this sucker?
[03:33:35] <Connor> pdf
[03:33:45] <PetefromTn_> are you sure?
[03:33:58] <Connor> what are you printing ?
[03:34:01] <Connor> and how big?
[03:34:08] <PetefromTn_> how do I make it 1-1 for them
[03:34:18] <PetefromTn_> it's about 24x28 or so inches
[03:34:28] <Connor> Oh. I have no idea.
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[03:35:01] <zeeshan> PDF
[03:35:50] <PetefromTn_> if it is drawn full scale in the .dxf and I just convert to .pdf will it turn out right?
[03:37:47] <tjtr33> that benchtop, Мастер it looks like english but those are russian letters, made in the Ukraine
[03:39:43] <PetefromTn_> where do you get that macrep from?
[03:40:05] <tjtr33> add a 1" circle in a 1" square to the drawing, so you can check the scale & aspect is correct
[03:40:35] <PetefromTn_> yeah but that is AFTER they print it and I will have to probably pay for it if it is wrong
[03:40:40] <tjtr33> Мастеp http://www.madein.dp.ua/view.aspx?type=ja&lang=2&jaid=77
[03:41:36] <PetefromTn_> don't see any pictures of the machine there
[03:41:44] <tjtr33> yeah but you measure the parts you make too. and thats after you make 'em. just a way to check before you pass it onto next guy
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[03:42:15] <tjtr33> PetefromTn_, its not made anymore, Andreas got a nice old machine
[03:43:41] <PetefromTn_> aah
[03:44:15] <PetefromTn_> I know that Seig was working on a 7 sized machine that had a similar base casting
[03:45:10] <PetefromTn_> http://www.amadeal.co.uk/acatalog/Syil%20X7%20CNC.jpg
[03:45:34] <tjtr33> just check smithy, they have different castings again, but some new stuff to compete with tormach
[03:46:06] <PetefromTn_> really huh
[03:46:19] <tjtr33> that Seig has a decent sized saddle
[03:47:47] <PetefromTn_> they put siemens controls on them apparently
[03:49:23] <zeeshan> PetefromTn_: yes to your question
[03:49:31] <PetefromTn_> There was a time that I would have been very interested in a machine like that
[03:49:51] <PetefromTn_> but now that I have the VMC it is no longer
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[03:50:13] <PetefromTn_> besides the prices on those chinese mills is amazingly high now for whatever reason.
[03:50:29] <PetefromTn_> yes to what question?
[03:50:30] <Tom_itx> demand?
[03:50:37] <zeeshan> ] <PetefromTn_> if it is drawn full scale in the .dxf and I just convert to .pdf will it turn out right?
[03:50:46] <zeeshan> http://www.staples.com/sbd/content/copyandprint/engineering-prints.html
[03:50:47] <PetefromTn_> Ok
[03:50:47] <zeeshan> btw
[03:50:50] <zeeshan> its cheaper for you us bastards
[03:50:52] <zeeshan> 3.89
[03:50:55] <zeeshan> for a 24x36 lol
[03:51:16] <PetefromTn_> Damn that is cheap actually
[03:51:27] <PetefromTn_> makes the idea of buying a plotter seem a bit less important
[03:51:35] <zeeshan> try to order online
[03:51:39] <zeeshan> so you dont have to wait there in person
[03:51:41] <PetefromTn_> I know the consumables on the damn things are pricey
[03:51:47] <zeeshan> yea man its not worth it
[03:51:57] <zeeshan> at least not with the frequency i print drawings
[03:51:58] <zeeshan> for me
[03:52:22] <PetefromTn_> well since this is the first time I have ever had to print anything this large I guess it is even less so for me.
[03:52:39] <PetefromTn_> but yeah it will sure as hell make my life a helluva lot easier
[03:53:06] <PetefromTn_> I am right now working on the drawings adding the tabs and whatnot so I can rivet or screw it together
[03:53:19] <zeeshan> everyone has a different method but what i do for quick layout is
[03:53:26] <PetefromTn_> should have it done here soon and then I can see about sending it out for print
[03:53:29] <zeeshan> i tape it to the work piece
[03:53:34] <zeeshan> then use a center punch
[03:53:40] <zeeshan> 4 marks per line
[03:53:45] <PetefromTn_> yup
[03:53:48] <zeeshan> then i scribe using a scribe and straight edge
[03:53:51] <PetefromTn_> that is kinda what I was thinking
[03:54:07] <PetefromTn_> this drawing is pretty simple once you cut it in half
[03:54:13] <PetefromTn_> hang on
[03:54:51] <tjtr33> posterize it? and tape it together using std size paper http://manpages.ubuntu.com/manpages/lucid/man1/pdfposter.1.html
[03:54:52] <zeeshan> connor
[03:54:54] <zeeshan> hi!
[03:54:59] <PetefromTn_> http://i.imgur.com/UC7HB1W.jpg
[03:55:21] <zeeshan> haha
[03:55:25] <zeeshan> wow that does look a lot easier split up
[03:55:32] <PetefromTn_> yeah
[03:55:35] <PetefromTn_> just a couple bends
[03:55:39] <PetefromTn_> on each piece
[03:55:49] <Connor> zeeshan: Yea?
[03:55:50] <PetefromTn_> gotta add in the tabs
[03:56:01] <zeeshan> connor did you see my butchering of the mesa din rail brackets? :P
[03:56:12] <Connor> No. What did you do to them ?
[03:56:30] <zeeshan> https://www.flickr.com/photos/128539016@N05/15790564825/
[03:56:31] <zeeshan> dun dun dun
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[03:56:39] <zeeshan> https://www.flickr.com/photos/128539016@N05/15605738830/in/photostream/
[03:56:39] <zeeshan> :D
[03:56:59] <zeeshan> hax
[03:57:17] <Connor> Um.. okay. Why didn't you put the mesa on din ?
[03:57:26] <zeeshan> easiet to bolt it on
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[03:58:08] <Connor> That other DIN rail looks too close to the top one..
[03:58:11] <PetefromTn_> they make din mounts for the 7i77
[03:58:17] <zeeshan> Connor: it is
[03:58:18] <PetefromTn_> they are pretty nice
[03:58:23] <zeeshan> i gotta shift it down to where the fuse holders are
[03:58:28] <zeeshan> theres a line marked
[03:58:39] <zeeshan> its just too cold in the garage and im tired
[03:58:44] <zeeshan> ill turn on the heat tommo and go do it
[03:58:58] <zeeshan> i want at least the mesa and computer powered up tomorrow.
[03:59:10] <Connor> Well.. dang it.. I'm just not happy.. paid $30.00 more for the older style unit..got the newer style.. and the MPG encoder isn't working right.. it doesn't count correctly.
[03:59:42] <zeeshan> connor im honestly worried
[03:59:45] <zeeshan> cause i was going tobuy that style.
[03:59:59] <zeeshan> you think you got a defective one?
[04:00:11] <Connor> I think so.. lots of people use these..
[04:00:17] <Connor> I've not seen any reports of it doing this.
[04:00:41] <zeeshan> missing counts
[04:00:45] <zeeshan> sounds like its got a shitty wheel on it
[04:01:05] <Connor> not missing counts.. just missing changed direction.
[04:01:18] <Connor> Like I said, I don't think it's a true quadrature encoder..
[04:02:46] <zeeshan> ok bed time
[04:02:47] <zeeshan> too tired
[04:02:47] <zeeshan> cu
[04:03:25] <PetefromTn_> cya
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[04:11:16] <PetefromTn_> kinda excited to have this printed tomorrow
[04:11:26] <PetefromTn_> gonna be cool to take it exactly as drawn to metal
[04:11:42] <PetefromTn_> and be able to bend it precisely where it needs to be bent
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[08:00:38] <Deejay> moin
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[10:32:42] <SpeedEvil> http://www.ebay.co.uk/itm/horizontal-metal-band-saw-/291293328087?pt=UK_Hand_Tools_Equipment&hash=item43d26f72d7
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[10:32:47] <SpeedEvil> how to take pictures of machinery
[10:36:22] <archivist> 5 quids worth of scrap with an image like that
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[10:56:21] <syyl_> that picture was taken with an potato.
[10:56:24] <syyl_> thats sure
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[12:00:18] <IrrerIvan> hi there, can anyone help me with custom m codes for controlling a hotend via serial
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[12:28:20] <kengu> ..
[12:35:29] <jthornton> we just ask the question around here
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[14:16:42] <Karl> Hello all Here i am Karl from Austria :) does anyone can help me in german to fix some problems with the new 2.6 plese
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[14:31:46] <_methods> Karl: there are usually several german users in here that will be able to help you
[14:32:07] <archivist> best to ask the real question though
[14:32:16] <_methods> it's IRC though so youu're best bet is just to ask
[14:32:25] <_methods> what he said lol
[14:34:12] <Karl> oh is linuxcnc onli for englisch speking peple? sorry i dont know
[14:35:00] <_methods> no lots of people use linuxcnc from all over the world
[14:38:54] <Karl> i am working with emc of 2011 and have no customs components done there but nuw i want to update linuxcnc 2.6 with debian
[14:40:28] <Karl> nuw i want to fit up a litte bit custom switches some i have realize but now it will be complicatet^^
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[15:34:54] <Karl> enjoy the silence :)
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[15:38:45] <archivist> we are waiting for the real question :)
[15:43:45] <rob_h> something to watch while u wait,... can u tap holes this quick ;) https://www.youtube.com/watch?v=G-KO3V8FSD0&index=4&list=UUnCM2g5eW5K6IgY9x22-O4g
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[15:48:18] <Karl> oh my goodness sorry :) my mistake
[15:51:44] <CaptHindsight> rob_h: not by hand
[15:52:18] <archivist> damned slow toolchange for a brother machine
[15:52:59] <Karl> i will try to explain right now
[15:53:11] <archivist> rob_h, https://www.youtube.com/watch?v=4XYakTeQahA
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[15:53:28] <Karl> i am running emc of 2011 on my computer at the machine
[15:53:52] <Karl> some hardware erros are last time so i must upgrade de computer
[15:54:15] <Karl> now i see there is debian with actual software
[15:54:24] <Karl> ubuntu 12 donst runs smoth
[15:54:38] <Karl> so now debian and 2.6 runs fu
[15:55:00] <Karl> fine but i dont like the 2 sliders for feed and quick feed
[15:55:32] <Karl> i want to make one slider oder encoder for all feed
[15:55:42] <Karl> i have reat but i dont understand it
[15:56:11] <Karl> it was difficult to get the rpm into the machine but now it works fine
[15:56:19] <mozmck> oder = or
[15:56:39] <Karl> thank you
[15:57:06] <Karl> i have now i dear ho to programm it i am seeking for verry verry big help i cant do it alone
[15:57:38] <Karl> i have try the Gmoccapy in sim its fine but i cant install it on the real machine
[15:57:46] <Karl> i take 2 reasons
[15:58:03] <Karl> one slider or gmoccapy :)
[15:58:11] <Karl> sorry for textwall :(
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[15:59:34] <CaptHindsight> Karl: just to be clear you are now running Debian Wheezy with 2.6?
[15:59:52] <Karl> i run 2.6.4
[16:00:06] <CaptHindsight> on Wheezy?
[16:00:19] <CaptHindsight> Debian Wheezy
[16:00:25] <Karl> http://www.linuxcnc.org/media/kunena/attachments/19810/Bildschirmfoto-2014-11-15-103551.png
[16:00:32] <Karl> yes debian
[16:00:43] <Tom_itx> is anybody using 2.6 on real hardware yet?
[16:01:02] <mozmck> I'm not sure how easy it is to change the interface in Axis - using gmoccapy might be easier, but I don't know how to set that up yet.
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[16:01:47] <CaptHindsight> most of us have to read the docs when we want to modify either Axis or Gmoccapy
[16:02:55] <CaptHindsight> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Gmoccapy
[16:03:00] <zeeshan> CaptHindsight:
[16:03:03] <Karl> when your language is neat native to english is fine
[16:03:08] <zeeshan> must i use a DLP projector?
[16:03:11] <CaptHindsight> "f you are using the actual DEBIAN Wheesy Linuxcnc iso, you will have to install some more packages "
[16:03:15] <Karl> but most i dont understand
[16:03:38] <CaptHindsight> Karl: have you tried using Google Translate?
[16:04:01] <Karl> i have tryed thos what you say but an error happens at point make
[16:04:12] <Karl> no such file or directory :(
[16:05:34] <CaptHindsight> Gmoccapy has been tested on UBUNTU 10.04 and 12.04 and DEBIAN Wheesy, if you use other versions, please inform about problems or solutions on the forum: in German [Peters CNC Ecke]
[16:05:58] <CaptHindsight> http://www.cncecke.de/forum/showthread.php?t=78549
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[16:06:03] <Karl> i take the iso von linuxcnc site
[16:06:23] <CaptHindsight> looks like that is the German Gmoccapy forum
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[16:06:58] <Karl> i have tanke the computer here i will make then right now fresh with the iso and try again
[16:07:12] <CaptHindsight> Karl: people from all over the world contribute to linuxcnc
[16:07:21] <Karl> but why is this done to make to feed slider
[16:07:55] <CaptHindsight> Gmocappy was a project that somebody wrote for themselves and then contributed it to Linuxcnc
[16:08:22] <CaptHindsight> so you'll need the Gmocappy developers help
[16:09:28] <CaptHindsight> zeeshan: you need to trigger polymerization with UV to ~420nm light
[16:09:46] <Karl> ok i must not use this i only want one feed slider for all speeds this is all i want but i dont know HOW sorry i cant program hal i only must du what people write and sy
[16:10:10] <zeeshan> uv might destroy my polymer
[16:10:10] <CaptHindsight> zeeshan: DLP projectors typically use a mercury lamp and a UV filter
[16:10:12] <zeeshan> :/
[16:10:37] <zeeshan> will the photopolymer "bond" with the substrate?
[16:10:42] <zeeshan> substrate polymer that is
[16:10:48] <CaptHindsight> so very little under 380nm make it past the lens
[16:10:57] <Tom_itx> is this out of date? : http://www.linuxcnc.org/index.php/german/download?task=view
[16:11:36] <CaptHindsight> zeeshan: depends on the polymer
[16:11:38] <Tom_itx> oh nevermind
[16:11:39] <Tom_itx> LinuxCNC 2.6.4 is released!
[16:11:39] <Tom_itx> There are no translations available.
[16:12:13] <zeeshan> how much will the powder cost me? :P
[16:12:17] <zeeshan> i want to try it
[16:12:40] <CaptHindsight> zeeshan: I can send you ~100ml to try
[16:13:00] <CaptHindsight> shipping to CA is pretty low
[16:13:01] <zeeshan> base polymer is a copolymer.. urethane
[16:13:11] <archivist> go to the local painters, they have the oven needed
[16:13:13] <zeeshan> so whatever "sticks" to it would be the best solution
[16:13:28] <CaptHindsight> heh, then I can send you one with urethane
[16:13:40] <zeeshan> WHITE please!
[16:13:46] <CaptHindsight> similar polymers like to bond to each other
[16:14:13] <Tom_itx> zeeshan white uv paint?
[16:14:25] <zeeshan> i will be trying paint too
[16:14:33] <zeeshan> but i suspect the solvent in my paint hurts it
[16:14:34] <Tom_itx> i use that on my programmer boxes with a fishtank UV light
[16:14:38] <zeeshan> unless i look into waterborne paints
[16:14:49] <zeeshan> well i liked the dlp idea..
[16:14:56] <Tom_itx> got a sample of it from the local sign company
[16:15:01] <zeeshan> because i can project a speckle pattern from the projector
[16:15:05] <zeeshan> and have it cure on the sample
[16:15:11] <CaptHindsight> depends on how much adhesion you want
[16:15:24] <zeeshan> CaptHindsight: i honestly cant quantify that right ow
[16:15:30] <zeeshan> im making a 1/8" dimple
[16:16:01] <zeeshan> http://i.imgur.com/ZGgDoQz.png
[16:16:06] <zeeshan> i dont know if you can see the dimple in this pic
[16:16:14] <CaptHindsight> use a cnc hot melt glue gun with .005" nozzle :)
[16:16:26] <zeeshan> notice how big droplet of paint cracked
[16:16:40] <CaptHindsight> snowflakes
[16:16:47] <pcw_home> You could also make a speckle negative and contact print onto your sample
[16:17:36] <zeeshan> pcw_home: how does that work
[16:18:20] <CaptHindsight> zeeshan: do you have a silk screen supplier in the area?
[16:18:42] <zeeshan> http://www.yellowpages.ca/search/si/1/Screen+Printing/Hamilton+ON
[16:18:43] <zeeshan> :D
[16:19:42] <CaptHindsight> a UV cured emulsion is used to make the screens, you could try a bit of that if they are local
[16:19:48] <Tom_itx> the silkscreen actually interferred with my lettering a bit
[16:20:48] <pcw_home> you make a photograph (or photoplot) onto a photographic negative and expose the photopolymer through the negative
[16:20:50] <pcw_home> to UV (sunlight will work)
[16:20:51] <CaptHindsight> but then you still need a mask to expose it
[16:20:54] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/uv_paint.jpg
[16:20:59] <Tom_itx> that's what i used
[16:21:06] <Tom_itx> along with the paint sample there
[16:21:32] <pcw_home> there must be places that will photoplot for you
[16:21:45] <Tom_itx> print it on a clear mylar sheet
[16:22:20] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/exposure.jpg
[16:22:22] <Tom_itx> that's all i did
[16:22:25] <Tom_itx> worked great
[16:22:38] <zeeshan> Tom_itx: what liquid is that
[16:22:40] <CaptHindsight> 405nm blu ray laser will also cure it
[16:22:47] <Tom_itx> zeeshan which liquid?
[16:22:50] <zeeshan> the green
[16:23:01] <Tom_itx> the mask from the previous pic i posted
[16:23:13] <Tom_itx> then you wash off the unexposed
[16:23:31] <zeeshan> "diazo photo emulsion"
[16:23:41] <Tom_itx> btw that was the first time i'd ever done any kind of mask. so anybody can do it
[16:23:41] <CaptHindsight> that is silk scree emulsion, photopolymer emulsion in water
[16:24:06] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/lettered.jpg
[16:24:10] <Tom_itx> turned out 'ok'
[16:24:14] <zeeshan> Tom_itx: can you scratch off the cured emulsion
[16:24:17] <zeeshan> with a finger nail
[16:24:21] <Tom_itx> no
[16:24:35] <Tom_itx> it gets pretty hard
[16:24:44] <CaptHindsight> .005" dots will be a challenge
[16:24:47] <Tom_itx> i've scrubbed it with a brush too
[16:24:49] <zeeshan> CaptHindsight: forget the dots!
[16:24:52] <zeeshan> i want to do a speckle pattern
[16:24:53] <zeeshan> like this:
[16:24:57] <Tom_itx> the problem is the size of the silkscreen
[16:25:28] <zeeshan> https://azttm.files.wordpress.com/2011/04/kinect-pattern.png
[16:25:29] <zeeshan> or even
[16:25:32] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/materials.jpg
[16:25:39] <Tom_itx> i made my own frame and everything
[16:25:43] <zeeshan> http://images.lowes.com/product/converted/042369/042369075527.jpg
[16:25:44] <zeeshan> like that
[16:25:54] <zeeshan> but finer in comparison to the second pic
[16:26:09] <zeeshan> actually the best comparison is the pic i posted
[16:26:10] <zeeshan> http://i.imgur.com/ZGgDoQz.png
[16:26:15] <zeeshan> see the smallest speckles?
[16:26:22] <zeeshan> its gotta be consistently that size
[16:26:23] <zeeshan> all around
[16:26:42] <Tom_itx> you're confined to the grid on the silkscreen
[16:27:01] <Tom_itx> which for most things is pretty darn fine
[16:27:15] <zeeshan> as long as i can make 0.005" speckles
[16:27:16] <zeeshan> i think ill be ok
[16:27:25] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/materials.jpg
[16:27:28] <zeeshan> 0.08-0.12 mm
[16:27:29] <Tom_itx> well you can see it there
[16:27:33] <Tom_itx> judge for yourself
[16:28:02] <Tom_itx> it's cheap to test it...
[16:28:20] <Tom_itx> the sign company actually let me see how they did it
[16:28:27] <Tom_itx> they just had a much larger UV table
[16:28:34] <zeeshan> is that silkscreen porous?
[16:28:45] <Tom_itx> yes
[16:29:48] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/screen_top.jpg
[16:29:56] <Tom_itx> you can see thru it on my nice clean workbench
[16:30:12] <zeeshan> im a bit confused about that
[16:30:20] <zeeshan> so do you cut that screen out or something
[16:30:30] <Tom_itx> look thru all those pics
[16:30:33] <zeeshan> to allow the paint to go through?
[16:30:44] <zeeshan> or is that screen there to distribute the paint evenly
[16:30:57] <zeeshan> emulsion i mean
[16:31:04] <Tom_itx> you paint a mask on it and then once you have your pattern exposed you apply paint thru the mask
[16:31:16] <Tom_itx> allows the paint thru
[16:31:19] <CaptHindsight> the cured emulsion blocks the ink from going through the screen
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[16:31:39] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/text.jpg
[16:31:40] <Tom_itx> there
[16:31:48] <zeeshan> holy shit
[16:31:49] <zeeshan> howd you do that
[16:31:53] <Tom_itx> :D
[16:32:02] <Tom_itx> that's what it's for
[16:32:24] <zeeshan> howd you get the lettering on?
[16:32:31] <zeeshan> you couldnt havent done that by hand :P
[16:32:34] <Tom_itx> i told you above
[16:32:44] <Tom_itx> i printed it on a clear mylar
[16:32:51] <Tom_itx> then exposed that to the mask
[16:33:00] <zeeshan> okay look
[16:33:04] <zeeshan> i understand you printed it
[16:33:06] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/art_in_place.jpg
[16:33:11] <zeeshan> but i dont understand how it transfered from the print to the screen
[16:33:18] <Tom_itx> layed a clear glass over it to keep it flat
[16:33:26] <Tom_itx> i'm showing you
[16:33:32] <CaptHindsight> http://www.youtube.com/watch?v=ZayHkSiPxv8 How To Make a Silkscreen
[16:33:53] <Tom_itx> hell, i didn't even need a youtube to do it.. it's that easy
[16:34:21] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/lid_cutout1.jpg
[16:34:27] <Tom_itx> then i made a frame to hold my lids
[16:34:35] <jasen> use aluminium frame , glue the screen using pneumatic strecher , applay the emulsion using gel coater , scrap the exeed from the printing side , and you will get sharp image.
[16:34:44] <CaptHindsight> screen comes is a wide range of mesh
[16:34:47] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/lid_cutout2.jpg
[16:35:04] <Tom_itx> yeah i got the finest mesh i could find locally
[16:35:13] <CaptHindsight> he wants 5mil features, nit easy for the beginner
[16:35:25] <zeeshan> this is why capt's technique was easier for me
[16:35:33] <zeeshan> i could just project a speckle pattern image off a dlp projector
[16:35:39] <zeeshan> and wipe off the excess powder
[16:35:40] <zeeshan> done :P
[16:35:53] <CaptHindsight> it's a liquid
[16:35:56] <jasen> for this application use screen 120-140 T/cm , bether yellow
[16:36:00] <zeeshan> liquid even better
[16:36:02] <zeeshan> easier to apply
[16:36:08] <zeeshan> evenly
[16:36:24] <zeeshan> Tom_itx: sorry for the dumb question again
[16:36:36] <zeeshan> bu t how did you transfer the text from the mylar
[16:36:38] <zeeshan> to the screen
[16:36:52] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/exposure.jpg
[16:36:55] <Tom_itx> just like that
[16:37:02] <zeeshan> ahhhhhhhhh
[16:37:09] <zeeshan> gotcha!
[16:37:12] <zeeshan> finally LOL
[16:37:14] <Tom_itx> look close and you see the letters
[16:37:24] <zeeshan> okay so i'd need a mylar sheet
[16:37:28] <zeeshan> with random speckles on it
[16:37:31] <zeeshan> and then light to cure
[16:37:56] <Tom_itx> i used nearly everything i had on hand except the screen and emulsion
[16:38:11] <Tom_itx> even got a doorscreen rubber to hold it in place free
[16:38:34] <zeeshan> where do you get the transparent mylar
[16:38:42] <zeeshan> is that just transparencies?
[16:38:47] <Tom_itx> yes
[16:38:50] <Tom_itx> nothing special
[16:39:02] <Tom_itx> you may wanna find some for laserjet
[16:39:06] <zeeshan> wood frame, stretch silk screen (fine mesh)
[16:39:11] <zeeshan> emulsion
[16:39:19] <zeeshan> light, and transperency
[16:39:27] <Tom_itx> use a roller to squeeze the screen rubber in the slot
[16:39:40] <Tom_itx> it serves to tighten the mesh
[16:39:44] <Tom_itx> and hold it
[16:39:54] <zeeshan> they use silk screen printing on bottles dont they?
[16:40:00] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/materials.jpg
[16:40:01] <zeeshan> which you can deform by hand
[16:40:10] <zeeshan> and it doesnt ruin the silk screen printed text
[16:40:13] <Tom_itx> they probably ink spray lettering nowdays
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[16:40:34] <Tom_itx> like your 'born on' dates etc
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[16:42:32] <zeeshan> http://www.proplasticbottle.com/images/printing.jpg
[16:42:32] <zeeshan> yep
[16:42:37] <zeeshan> those are silk screen printed
[16:42:44] <zeeshan> so its a pretty flexible coating
[16:43:00] <Tom_itx> depends on the paint you use too
[16:43:13] <Tom_itx> i looked for paint that would adhere the very best to the plastic
[16:43:21] <Tom_itx> and they suggested UV paint
[16:43:30] <Tom_itx> so i went hunting for that
[16:43:43] <Tom_itx> got the free sample from the local sign company
[16:43:55] <Tom_itx> since i wouldn't be using much at all
[16:44:13] <Tom_itx> i've only used probably a spoonfull of paint so far
[16:44:43] <zeeshan> is ther eanother way to cur eit
[16:44:46] <zeeshan> instead of uv?
[16:44:56] <Tom_itx> not if it's UV paint
[16:45:02] <Tom_itx> sunshine i suppose
[16:45:09] <Tom_itx> but it would take longer
[16:45:19] <zeeshan> what about non uv curing
[16:45:23] <zeeshan> like specific wavelength
[16:45:25] <zeeshan> like red or blue
[16:45:46] <Tom_itx> you'd have to come up with that solution yourself just like i did
[16:45:59] <Tom_itx> i went to nail salons looking for UV lamps
[16:46:15] <Tom_itx> found a friend that was replacing his fishtank bulbs and got those free too
[16:46:16] <Karl> does anyone know an competive user who can help me for my solution in german please?
[16:46:21] <Tom_itx> i had to buy a ballast for it
[16:46:34] <zeeshan> we have a uv lamp
[16:46:45] <zeeshan> but it'll change the properties of the specimen im trying to study
[16:46:47] <zeeshan> :P
[16:46:57] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/boards/USBTiny_Mkii/silkscreen/silk_batch_cure.jpg
[16:46:58] <zeeshan> that is why i am trying to avoid that type of curing
[16:47:05] <Tom_itx> there's my homebrew exposure lamp
[16:47:21] <Tom_itx> 2 bulbs
[16:47:21] <zeeshan> that looks cool :D
[16:47:29] * zeeshan should just take it to a tanning salon
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[16:47:32] <Tom_itx> smells like ozone the second you turn it on
[16:47:42] <Tom_itx> i run the exhaust fan while doing it
[16:48:00] <Tom_itx> those bulbs are probably the wrong wavelength
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[16:48:23] <Tom_itx> the sign company even offered to cure them for me
[16:48:33] <Tom_itx> but i told them i wouldn't be making them all at once
[16:49:19] <Tom_itx> their conveyor table was probably 3'x5' or so
[16:49:26] <Tom_itx> in one side and out the other
[16:49:29] <zeeshan> im going to talk to a silk screen company
[16:49:30] <zeeshan> and see whats up
[16:49:57] <Tom_itx> i first went to an art supply to get the silk and emulsion
[16:50:22] <Tom_itx> sortof a 'professional art' supply
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[16:51:17] <Tom_itx> the guy there was very helpful and told me to go see his friend at the sign company
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[16:51:28] <Tom_itx> for the paint
[16:51:48] <Tom_itx> i really didn't wanna order a gallon of uv paint
[16:54:04] <pcw_home> http://www.ebay.com/itm/1pc-PCB-UV-Curable-Solder-Mask-Repairing-Paint-White-100g-/180917242119?pt=LH_DefaultDomain_0&hash=item2a1f820907
[16:55:07] <Tom_itx> cool
[16:55:08] <CaptHindsight> Shipping to other Countries 20 - 35 days international shipping fun
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[16:55:57] <pcw_home> most PCBs use similar stuff for the legend
[16:55:59] <CaptHindsight> that will cure with UV or sunlight, probably not a projector
[16:56:13] <Tom_itx> pcw_home, i wasn't sure what kind of paint they used
[16:56:16] <CaptHindsight> don't know which pi they used
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[16:56:38] <CaptHindsight> probably drops off >380nm
[16:56:50] <mozmck> this Labtool looks pretty neat for $130, with open source software. The LPC4370 chip it's based on looks quite powerful.
[16:56:52] <mozmck> http://www.lpcware.com/content/project/Mixed-Signal-Logic-Analyzer-Oscilloscope-Lab-Tool-Solution
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[16:57:52] <pcw_home> Is that the ARM with 80 Ms/s A-D?
[16:58:04] <mozmck> looks like it is
[16:59:05] <pcw_home> Looked at those a year or so ago for something
[16:59:26] <mozmck> http://www.nxp.com/products/microcontrollers/cortex_m4/lpc4300/LPC4370FET100.html
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[17:02:21] <mozmck> Looks like one of the cheapest mixed signal usb scope/analysers I've seen.
[17:04:27] <pcw_home> The whats funny is you cannot buy a 12 bit 80 ms/s A-D as cheap as the LPC
[17:06:22] <mozmck> heh, so you just buy the LPC if you need that fast A-D I guess. Make the firmware so the chip looks like an SPI A-D chip if you want to use a different micro for the main controller?
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[17:08:25] <pcw_home> Just pointing out that the integrated A-D is a bargain
[17:08:42] <mozmck> sounds like.
[17:09:13] <pcw_home> (also true on the ~$3 stm32f303 with 4X 12 bit 5 MS/sec A-Ds)
[17:09:43] <mozmck> I haven't used any of the ST chips, are they pretty good
[17:09:44] <mozmck> ?
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[17:12:14] <mozmck> I've looked some at the freescale kinetis - I guess the main difference between the companies cortex-m chips are the peripherals and libraries.
[17:12:38] <pcw_home> Ive just played a bit with the STM discovery boards
[17:12:57] * JT-Shop just sold an air filter kit for the Can Am Spyder to Turkey :)
[17:13:12] <pcw_home> I intend to start using the for more capable sserial remotes
[17:13:48] <mozmck> I see. I've used NXP chips a good bit now.
[17:13:52] <pcw_home> we sell a fair amount of stuff to Turkey
[17:14:14] <Tom_itx> JT-Shop will it arrive?
[17:14:20] <JT-Shop> that's good to know
[17:14:21] <mozmck> pcw_home: what compiler IDE do you use for the ST chips?
[17:14:33] <Tom_itx> don't ship to dubai etc
[17:14:38] <Tom_itx> or india
[17:14:46] <JT-Shop> it takes about 3-4 weeks to get to Australia I'd assume the same to Turkey
[17:14:53] <Tom_itx> approx yes
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[17:15:14] <JT-Shop> why is that?
[17:15:21] <Tom_itx> slow boat to...
[17:15:41] <JT-Shop> I use USPS 99.9% of the time
[17:15:44] <Tom_itx> alot of times it sits in their customs a long time
[17:15:54] <Tom_itx> JT-Shop, same here
[17:16:21] <mozmck> maybe you should put an extra $100 in the package for the customs agent :)
[17:16:25] <pcw_home> I have only messed about with EM:Blocks
[17:16:27] <Tom_itx> canada is bad about customs too
[17:16:38] <pcw_home> canada is the worst
[17:16:56] <LeelooMinai> mozmck: Don't know about PCW, but I use this as the toolchain (it's pretty nice with latest gcc support): https://launchpad.net/gcc-arm-embedded
[17:17:04] <SpeedEvil> Canadian customs are fine. It's just you've gotta say 'eh' a lot.
[17:17:12] <LeelooMinai> It's from ARM guys
[17:17:35] <mozmck> pcw_home: interesting, I haven't heard of EM:Blocks until now.
[17:17:48] <mozmck> LeelooMinai: I use use that as well
[17:18:00] <LeelooMinai> + Eclipse, ARM Plugin, register view plugin, jlink clone
[17:18:13] <mozmck> with eclipse and the gnu-arm plugin.
[17:18:40] <LeelooMinai> RIght, that's my setup too - it works prett well
[17:18:43] <Tom_itx> JT-Shop, some of mine to turkey were ~13 days
[17:18:51] <mozmck> LeelooMinai: heh, similar setup it seems. I haven't heard of the register view or jlink clone.
[17:19:11] <mozmck> Haven't used jtag much at all so far.
[17:19:13] <LeelooMinai> mozmck: by register view I mean embsysregview plugin - don't tell me you don't use it:)
[17:19:28] <mozmck> Nope - haven't heard of it!
[17:20:03] <mozmck> I do most of my debugging by toggling pins and reading with a scope, reading through my code, etc.
[17:20:09] <LeelooMinai> mozmck: Man... install it - it shows all the μC register when you breakpoint - cannot live without it:)
[17:20:26] <LeelooMinai> And I don't mean just CPU registers - all the peripheral ones
[17:20:35] <mozmck> That means I would have to use JTAG.
[17:20:52] <LeelooMinai> No, swd is ok
[17:21:30] <LeelooMinai> mozmck: Looks kind of like this: http://a.fsdn.com/con/app/proj/embsysregview/screenshots/219110.jpg
[17:21:51] <mozmck> ah, that's true. I often use every pin on a project, and haven't really spent that much time in debugging.
[17:22:14] <mozmck> Usually I can toggle a pin or read through my code and find the problem pretty quickly.
[17:23:15] <LeelooMinai> Yes, well, the plugin shines when you deal with hardware in a more direct way
[17:23:32] <mozmck> Freescale recently released a free dev environment based on eclipse/gcc-arm-embedded.
[17:24:15] <mozmck> I'm sure it does. I may have to try some of those more fancy debugging tools someday :)
[17:24:55] <LeelooMinai> mozmck: Btw, I also wrote software for tracing arm execution: https://www.flickr.com/photos/100017731@N03/15267769128/
[17:25:09] <mozmck> pcw_home: I see that EM:Blocks is based on Code::Blocks, which I have used a good bit.
[17:26:27] <mozmck> LeelooMinai: neat! is that sold somewhere?
[17:26:44] <LeelooMinai> mozmck: No, I wrote it for me, myself and I:)
[17:27:09] <mozmck> ok
[17:27:44] <LeelooMinai> Hmm, that 80 Msps μC costs $8 or so - pretty crazt
[17:27:47] <LeelooMinai> crazy*
[17:28:01] <LeelooMinai> With all that stuff it has on board
[17:28:31] <SpeedEvil> LeelooMinai: yeah - that the one with a dozen low speed ADCs too?
[17:28:47] <mozmck> what gui library did you use for that trace program?
[17:28:49] <LeelooMinai> SpeedEvil: http://www.nxp.com/products/microcontrollers/cortex_m4/lpc4300/LPC4370FET100.html
[17:29:22] <SpeedEvil> LeelooMinai: yeah
[17:29:27] <LeelooMinai> mozmck: Eclipse platform - SWT/JFace + the timeline view now is implemented in OpenGL
[17:29:34] <SpeedEvil> someone really needs to get their shizzle on with that and make a scope
[17:30:11] <mozmck> SpeedEvil: you mean like this one? http://www.lpcware.com/content/project/Mixed-Signal-Logic-Analyzer-Oscilloscope-Lab-Tool-Solution
[17:30:46] <mozmck> $130 at mouser: http://www.mouser.com/ProductDetail/Embedded-Artists/EA-XPR-202
[17:31:11] <mozmck> Open source software: https://github.com/embeddedartists/labtool
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[17:32:12] <mozmck> LeelooMinai: I've done very little with Java. Minimal C++ is more my style. https://github.com/mozmck/flpcui
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[17:33:12] <LeelooMinai> mozmck: What is it?
[17:33:32] <mozmck> a gui for lpc21isp - a command line ISP tool for NXP arm chips
[17:33:53] <LeelooMinai> I use C++ sans exceptions. templates, etc., all the unnecessary stuff, for my μC code
[17:34:42] <mozmck> I use FLTK for stuff like that - statically linked it adds about 400K to the binary, and there are no extra dependencies other than system libraries.
[17:34:48] <mozmck> cross platform too!
[17:35:40] <LeelooMinai> THat's why I like that ARM toolchain - can use all the C++11 features no problem
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[17:36:53] <mozmck> That's true. I've used C++ in one uC project, but a lot of mine are pretty small.
[17:37:23] <SpeedEvil> mozmck: I was meaning me kinda.
[17:37:36] <mozmck> do you write your own peripheral libraries?
[17:37:59] <mozmck> SpeedEvil: I see! I may have to get one of those Labtools for that price.
[17:38:02] <LeelooMinai> Hmm, I shall probably now go to work on my CNC - yesterday I tore down all the limit switches, because they could not properly hold NC state:/
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[17:38:19] <SpeedEvil> mozmck: I want to make a ~10 channel 1Msps or so scope,which logs to some RAm on a 10s loop, and then if it gets a trigger, dumps it to flash
[17:38:34] <SpeedEvil> mozmck: basically as a crash recorder for electronics
[17:38:40] <LeelooMinai> Crappy Chinese one, but were cute and tine. Now I will use Omron ones that are 5 times bigger, but at least work
[17:38:44] <mozmck> Sounds interesting.
[17:38:56] <SpeedEvil> mozmck: so you could get the last tenth of a second of your switch-mode PSUs life
[17:39:11] <SpeedEvil> And find out why it actually died, not guess
[17:39:30] <SpeedEvil> Or, of course, motor driver or ...
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[18:34:50] <Loetmichel> *harhar* $me just hanged the laundry on the line... my woofe has a pair of trousers in "urban camo"?!? *looked again* oh, ist just a pile of leaves printed on that in different shades of gray. but looks TOTALLY like american urban camo uniform trousers ;-)
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[18:53:11] <PetefromTn_> Well got two of the four pieces of ductwork cut out and ready to be bent. Working on the other two :D
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[19:25:54] <CaptHindsight> http://www.custompartnet.com/calculator/turning-surface-roughness
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[20:57:13] <JT-Shop> guess it it time to take the old computer off the desk... it keeps shutting down
[21:01:56] <Tom_itx> blow it out with the air hose
[21:02:08] <Tom_itx> wiggle the connectors
[21:02:14] <Tom_itx> it'll be good for another 10
[21:02:50] <Tom_itx> maybe re'cap it
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[21:03:12] <Tom_itx> had to do that to a couple here
[21:05:12] <renesis> kill it with fire
[21:05:45] <renesis> or if you have space just hide in a corner and maybe 1 days youll need like 5% of it
[21:06:27] <renesis> at the very least, it has all the right screws for a pc build
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[21:24:56] <andypugh> Two different and valid viewpoints.
[21:26:22] <andypugh> I tend to always advise everyone else to buy new, and keep my own old stuff running for fun.
[21:28:18] <PetefromTn_> it has become so cheap to buy or build a computer nowadays there is litttle reason to keep an old one running unless you just dig that sort of thing.
[21:29:36] <andypugh> I currently have Roland DXY880 plugged in to my iMac.
[21:29:54] <JT-Shop> I have so many old computers laying about that I trip over them
[21:30:06] <andypugh> (It might be the only USB 880 in the workd :-)
[21:31:13] <PetefromTn_> Honestly after I went to staples today and had them print out the large format drawings I did
[21:31:23] <PetefromTn_> I would probably enjoy having one
[21:31:48] <PetefromTn_> Especially if I could add a drag knife to it and cut plastic adhesive backed materials
[21:32:32] <andypugh> For a while I lived with a friend who has a bad old-Mac habit. The spare room I lived in had a stack of 24 PowerPC 6100
[21:32:48] <SpeedEvil> ...
[21:33:10] <andypugh> On his sideboard in the living room is a stack of 6 Lisas
[21:33:10] <PetefromTn_> http://knoxville.craigslist.org/sys/4694826047.html This looks cool... and cheap
[21:33:51] <andypugh> (And these are just the machines that won’t fit in the storage room, loft, or garage..,
[21:34:14] <JT-Shop> the Lisa was the first computer to use a mouse?
[21:34:29] <JT-Shop> cost like 10k because of the memory IIRC
[21:35:12] <SpeedEvil> JT-Shop: no
[21:35:20] <SpeedEvil> perhaps the first mass market one
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[21:36:02] <andypugh> PetefromTn_: My DXY880 was fitted with a drag knife, I wrote code to slice STL and convert to HPGL to cut out label-paper to make these patterns to make pannier brackets for my bike: https://picasaweb.google.com/lh/photo/tjht3D69CSp25i9tYwD7dtMTjNZETYmyPJy0liipFm0?feat=directlink
[21:36:46] <JT-Shop> ah the first to offer a graphical user interface
[21:36:55] <JT-Shop> I knew it was something or other
[21:37:03] <andypugh> JT-Shop: Not that either.
[21:37:13] <PetefromTn_> andypugh Is it a big deal to add the drag knife to these things?
[21:37:25] <JT-Shop> http://en.wikipedia.org/wiki/Apple_Lisa
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[21:37:41] <PetefromTn_> not following how you made panniers?
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[21:37:53] <PetefromTn_> oh you said pannier brackets.
[21:38:06] <andypugh> But, much like the iPhone didn’t have anythign that hadn’t been seen before, it put a lot of things together and made them actually work properly.
[21:39:19] <PetefromTn_> can you load a small piece into these things easily or does it all have to be from large format sheet?
[21:41:38] <andypugh> The flat-bed plotters will write on an arbitrarily small piece of paper, and then on the bed of the printer when the paper is too small :-)
[21:42:08] <PetefromTn_> is yours a flat bed?
[21:42:17] <andypugh> Yes
[21:42:43] <PetefromTn_> what is the capacity?
[21:43:08] <andypugh> Here is a picture of one: http://i.vimeocdn.com/video/58136752_1280x720.jpg
[21:43:13] <andypugh> A3 size
[21:43:57] <andypugh> I wouldn’t recommend buying one now, unless you want to write your own driver.
[21:44:03] <PetefromTn_> cool...so it is a pen type plotter that grabs the different color pens
[21:44:17] <PetefromTn_> what software do you run it with?
[21:44:32] <andypugh> They speak an obsolete language, and are serial-only
[21:45:24] <PetefromTn_> figures
[21:45:38] <andypugh> I wrote code in Octave (free Matlab) that converted STL to HPGL strings then sent them out of the USB port to the USB-serial converter that I put inside the printer and soldered to the motherboard.
[21:46:00] <PetefromTn_> sounds like a pain in the ass
[21:46:02] <andypugh> (It was a Project :-)
[21:46:20] <PetefromTn_> I can see the beauty of having one tho
[21:46:40] <PetefromTn_> even if it was just for making paint masks and full sized templates like I am doing here
[21:47:25] <andypugh> I wanted to use it last week to cut some stencils from Inventor in Windows, but eventually gave up and laser-printed them and used a scalpel.
[21:47:42] <PetefromTn_> that bad huh.
[21:47:52] <andypugh> That was a one-off job, so not worth the time to sort it all out.
[21:48:29] <andypugh> If I had three to do, I would have figured it out.
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[21:49:09] <pcw_home> That reminds me I need to get rid of the Versatec CE3000 in the back room
[21:52:13] <andypugh> Here is the code that slices an STL and creates a Postscript file of each layer (which I never used) and also controls the plotter to cut out the parts. It is really not very much code. Slicing STL in Matlab/Octave is really very easy. http://pastebin.com/JtCRXWrM
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[21:54:51] <andypugh> This is almost magic: I1 = find(sum((Z>z),2) == 1); % Index of faces with 1 vertex greater than z
[21:54:57] <PetefromTn_> https://www.youtube.com/watch?v=lzfd0jsw0Ro Well just found another reason to build a larger format CNC router..
[21:56:13] <andypugh> (one line of code to import the STL, then that line of code gives a list of all all faces which have one vertex above the slicing plane and two below.)
[21:57:51] <PetefromTn_> sounds complicated. so this pannier mount is sliced and then reassembled...pretty cool
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[21:59:10] <andypugh> The assembly process was gruesomely tedious. One of those jobs where your legs hurt and you want to hit something. Or is that just me?
[21:59:54] <Deejay> gn8
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[22:00:24] <PetefromTn_> looks like that big CNC router with a drag knife and thicker layers might have been easier no?
[22:00:34] <andypugh> It is worth noting that the “drag knife” in that video is not a drag knife, it is on an active axis.
[22:01:07] <PetefromTn_> thats what I thought but it looks like the tip of the knife is actually penetrating causing the rotation.
[22:01:29] <andypugh> LinuxCNC doesn’t currently export the “heading” of the next move, it would be really nice if it did.
[22:03:01] <PetefromTn_> how do they accomplish that then some special software I suppose
[22:03:18] <andypugh> I did write a “tangentkins” that can be used, which is a kinematics file that tells a C axis where to point, but that is a kludge and the info really ought to come from Motion.
[22:03:30] <pcw_home> it also looks like it made multiple plunges on sharp corners
[22:04:01] <andypugh> It can be done with knife-aware CAM.
[22:04:08] <PetefromTn_> that looks like a sweet foam airplane too.
[22:04:29] <andypugh> In fact, CAM is the best place to do it.
[22:04:38] <PetefromTn_> yeah I would think so
[22:05:00] <PetefromTn_> kinda would sorta work like terrible backlash comp hehehe
[22:05:07] <andypugh> G0 C moves when out of the material, and coordinated G1 C-moves for curves.
[22:06:14] <andypugh> I think Viesteurs has used tangentkins for plasma kerf commpensation.
[22:07:15] <ssi> I was actually just thinking about that problem the other day
[22:07:20] <ssi> the "knife heading" problem
[22:08:41] <andypugh> It is easy to do it badly in a kinematics module.
[22:08:53] <PetefromTn_> Damn man my wife made shrimp stir fry and I just had my first taste of WASABI sauce.... My nose is STILL on fire LOL
[22:09:09] <andypugh> It can be done better in the motion module, but hasn;t been.
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[22:09:26] <andypugh> But it can be done best of all in a preprocesor.
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[22:15:26] <pcw_home> Hmm neighbor has just placed a tanning bed on the curb with a sign reading "Free tanning bed, all new bulbs"
[22:15:27] <pcw_home> bit hard to repurpose I guess
[22:16:19] sliptoni` is now known as sliptonic
[22:18:15] <SpeedEvil> PCB exposer
[22:20:16] <syyl_> maybe put a sign on it
[22:20:21] <syyl_> "free skin cancer!"
[22:21:54] <pcw_home> :-)
[22:22:30] <ssi> https://pbs.twimg.com/media/B2g_4QpIIAA-LDb.jpg:large
[22:22:31] <ssi> getting closer!
[22:24:41] <andypugh> I found this last week, a newspaper blindly followong the idea that Radon is good for you. http://www.dailymail.co.uk/travel/article-2255288/Holidays-Austria-Sitting-Radhaus-mountain--thats-real-gas.html
[22:28:32] <roycroft> andypugh: my district has a perpetual candidate for congress who is a scientist and advocates embedding radioactive waste in the foundations of houses, as he believes that low level radiation is a health benefit
[22:28:44] <roycroft> he also believes that public schools are child abuse
[22:28:55] <SpeedEvil> Public schools can be child abuse
[22:29:03] <SpeedEvil> but - probably not in the sense he means
[22:29:06] <roycroft> and he sends me letters asking me to send him my urine on a regular basis
[22:29:36] <XXCoder> Radium. "The Radium Water Worked Fine until His Jaw Came Off"
[22:29:37] <SpeedEvil> err?
[22:29:51] <roycroft> an odd fellow he is, that is certain
[22:30:06] <renesis> roycroft: does he give a reason for the urine request?
[22:30:11] <roycroft> he wants to study it
[22:30:13] <renesis> or he just kind of slips it in
[22:30:20] <renesis> just, in general?
[22:30:25] <roycroft> at his "research institute"
[22:30:30] <SpeedEvil> Why yours?
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[22:30:32] <renesis> his kitchen?
[22:30:34] <roycroft> not just mine
[22:30:35] <renesis> =(
[22:30:37] <roycroft> lots of people's
[22:30:44] <XXCoder> his piss must be tasty
[22:30:46] <SpeedEvil> Is it known he does this?
[22:30:46] <roycroft> he sends these letters to everyone who is not a registered democrat
[22:30:47] <renesis> he wants a PeeDB
[22:30:51] <roycroft> yes
[22:30:57] <roycroft> it is well known
[22:31:02] <roycroft> rachel maddow loves to talk about him on her show
[22:31:10] <renesis> i <3 her
[22:31:14] <renesis> they make her so cute for the show
[22:31:34] <roycroft> his name is art robinson
[22:31:38] <roycroft> in case you're curious
[22:31:57] <roycroft> in the last election campaign he had a debate with the incumbent, peter defazio
[22:32:02] <renesis> ill resist the urge to look it up as ive blown enough time on the internets today
[22:32:09] <renesis> and the sounds like a rabbit hole of sorts
[22:32:15] <renesis> ^that
[22:32:15] <roycroft> peter stood at the podium with one of art's books in hand and read passages directly from it
[22:32:30] <roycroft> art's retort was "if you will quit telling lies about me i'll quit telling the truth about you"
[22:32:31] <renesis> haha awesome
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[22:32:51] <renesis> wow @ 'lies' from his own book
[22:32:55] <roycroft> peter said "i'm reading your book"
[22:33:15] <roycroft> my little corner of the world can be amusing at times
[22:33:43] <renesis> what part do you live in?
[22:33:49] <roycroft> western oregon
[22:33:55] <renesis> oh nice
[22:34:06] <renesis> you guys do some awesome and then some totally gooky things
[22:34:10] <roycroft> art is also a major climate change denier
[22:34:14] <roycroft> yes
[22:34:17] <renesis> when cali breaks off, i want you guys to come with us
[22:34:23] <renesis> whole pacific ring of fire
[22:34:24] <XXCoder> western washington here. hey WO from WW
[22:34:39] <roycroft> what's going to happen in california is scarier than most people think
[22:34:51] <renesis> when people start leaving?
[22:34:53] <roycroft> the western side of the san andreas fault is actually sliding northwards
[22:35:08] <roycroft> in a few million years los angeles will be due west of san francisco
[22:35:11] <roycroft> which is the scary thing
[22:35:17] <renesis> right so LA and the bay eventually connect
[22:35:30] <renesis> not a big concern right now
[22:35:42] <renesis> also i live far from big scary faults now
[22:35:50] <renesis> just dead volcanos now
[22:36:01] <roycroft> i don't leave near any major faults, but also not too far from them
[22:36:10] <roycroft> and we're way way way overdue for a really big earthquake
[22:36:23] <renesis> i lived in souther california until a few months ago
[22:36:27] <roycroft> we don't get little 5.x stress relievers like much of cali does
[22:36:30] <Tom_itx> we've been getting them here lately
[22:36:35] <renesis> yeah they just stopped talking about the big one
[22:37:00] <roycroft> seattle had a decent size one a few years ago, but it's still overdue for a really big one
[22:37:06] <renesis> because northridge was not the big one, and if it happened even an hour later, hundreds or thousands dead
[22:37:14] <Tom_itx> never before, but the last couple years
[22:37:17] <renesis> and they found mad faults like that one all over LA basin
[22:37:25] <roycroft> are you in oklahoma, tom_itx?
[22:37:33] <Tom_itx> ks
[22:37:41] <roycroft> same difference, in context
[22:37:45] <Tom_itx> yep
[22:37:47] <renesis> so like, san andreas is overdue, but there are tons of northridge size faults that could fuck everything up too
[22:37:49] <roycroft> and fracking has absolutely nothing to do with it, right? :)
[22:37:58] <XXCoder> fracking frack
[22:38:25] <roycroft> your tap water catching on fire is unrelated to fracking as well
[22:38:30] <renesis> well it would be kind of amusing if they traced californias lack of quakes to fracking
[22:38:36] <XXCoder> yeah water naturally gets on fire
[22:38:40] <renesis> those vids are so awesome
[22:38:45] <roycroft> well in ohio it used to ...
[22:39:12] <roycroft> the cuyahoga river caught on fire several times during the '70s
[22:39:17] <renesis> =(
[22:39:28] <roycroft> but that was unrelated to the high levels of pollution in the river
[22:39:43] <roycroft> it was a miracle
[22:40:02] <roycroft> speaking of whichi
[22:40:04] <roycroft> i could use one
[22:40:10] <renesis> ask the jezus
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[22:40:25] <roycroft> i could use a machinist coming over right now and drilling and tapping the ss cap i need to deal with
[22:40:30] <roycroft> because i hate machining ss
[22:40:49] <roycroft> and i have to run a 1/2" npt tap through a cap that's about 0.250" thick
[22:40:52] <Tom_itx> what kind?
[22:40:56] <roycroft> 304
[22:41:01] <roycroft> the not worst kind but not best kind
[22:41:05] <Tom_itx> shouldn't be so tough
[22:41:15] <Tom_itx> constant feed
[22:41:22] <roycroft> i've done it before and it is not fun
[22:42:20] <roycroft> the hardest part is clamping the cap tightly enough
[22:42:28] <roycroft> it's a 2" circle
[22:42:44] <Tom_itx> stick it in the lathe chuck and drill it
[22:42:58] <roycroft> my lathe is way too wimpy to do this job
[22:43:04] <roycroft> and it's not the drilling that's a problem - that part is easy
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[22:43:10] <roycroft> it's running the tap down after that is a hassle
[22:43:19] <roycroft> especially since it's a tapered tap
[22:43:35] <Tom_itx> well don't work harden it with the drill...
[22:43:40] <roycroft> i'll try not to
[22:43:51] <roycroft> and i know the routine - slow speed, heavy feed
[22:44:52] <SpeedEvil> roycroft: https://www.youtube.com/watch?v=6YzZ4lfjN1A - amusing. (art)
[22:45:22] <roycroft> what is really scary is that my boss is friends with art
[22:45:34] <roycroft> and art has showed up at my office many times, so i know him fairly well
[22:45:55] <andypugh> Latest project, heat-treatment furnace. http://www.dailymail.co.uk/travel/article-2255288/Holidays-Austria-Sitting-Radhaus-mountain--thats-real-gas.html
[22:46:16] <andypugh> Oops, let me get the right URL, that was the previous one
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[22:46:47] <andypugh> Heat-treatment furnace : https://picasaweb.google.com/lh/photo/kOXgwXHGQ_6kUm_7og3egtMTjNZETYmyPJy0liipFm0?feat=directlink
[22:47:31] <roycroft> you can see i'm not lying, speedevil
[22:48:09] <andypugh> Looking in at 820C (1500 F) https://picasaweb.google.com/lh/photo/0KBnb_gsIAVDxe1ALNSTsNMTjNZETYmyPJy0liipFm0?feat=directlink
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[22:49:09] <SpeedEvil> I bought several of http://www.ebay.co.uk/itm/271481533974?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
[22:49:17] <SpeedEvil> I want to make a leeeetle furnace with them
[22:49:27] <SpeedEvil> Just need to work out the element
[22:49:55] <SpeedEvil> They were bought for battery prototypes - but I can't work out how to make it not possibly explode
[22:50:30] <andypugh> SpeedEvil: That is the _exact_ auction that mine was made from.
[22:50:40] <SpeedEvil> hah
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[22:51:47] <SpeedEvil> What're you using for the heater?
[22:53:12] <andypugh> I found a reel of Brightray wire in a skip years ago. You need 10m per crucible to make a 2kW element.
[22:53:32] <andypugh> http://en.wikipedia.org/wiki/Brightray
[22:54:25] <SpeedEvil> ah
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[22:54:59] <roycroft> i have a front loading kiln that i use for heat treating metals
[22:55:33] <andypugh> I knew I should have taken photos, I used to be a metallurgist and rewound a few furnaces.
[22:56:31] <andypugh> SpeedEvil: Would you like me to post you enough wire for a winding?
[22:56:53] <andypugh> The process is:
[22:57:03] <SpeedEvil> That would be awesome!
[22:59:04] <andypugh> 1) Make a big loop from a foot away from the tube, to the tube, round the back, back to the end, and back to the tube. Then twist that with a cordless drill to make a triple-strand infeed tightly wound to the end of the tube.,
[22:59:56] * SpeedEvil reads.
[22:59:57] <andypugh> Then wind the 10m of element at 3mm pitch round the tube (I used the CNC lathe, but hand will work).
[23:00:18] <andypugh> Then do the same triple-braid thing to finish it off.
[23:01:01] <andypugh> Then smear Pyruma fire cement from B&Q over the whole thing.
[23:01:07] <SpeedEvil> I think I understand how that works.
[23:01:11] <SpeedEvil> And power slowly
[23:01:36] <SpeedEvil> I guess glassfibre insulation will work to several hundred C, then something more exotic is needed
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[23:02:55] <andypugh> Then wrap it all up in: http://www.ebay.co.uk/itm/251457038075?_trksid=p2059210.m2749.l2649&var=550368906852&ssPageName=STRK%3AMEBIDX%3AIT
[23:03:13] <SpeedEvil> yeah - I'd been looking at that and similar
[23:03:26] <SpeedEvil> Iwas speccing a battery box for a 450C battery.
[23:03:43] <SpeedEvil> But can't work out how to make it not explode and keep it cheap - so that projects been shelved for the moment
[23:03:47] <andypugh> Insulate the tails with http://www.ebay.co.uk/itm/Ceramic-Porcelain-Insulating-Beads-size-3-Insulator-x-50pcs-trade-price-or-Offer-/231391048902?
[23:04:07] <SpeedEvil> I think I have some of those somewhere - can test them for temperature I guess
[23:04:29] <andypugh> And connect to the controller with http://www.ebay.co.uk/itm/331183823241?_trksid=p2059210.m2749.l2649&var=540381133491&ssPageName=STRK%3AMEBIDX%3AIT
[23:05:11] <SpeedEvil> I don't suppose you know anything about the rate of solution of lithium and lead if you put them on top of each other at 450C :)
[23:05:23] <SpeedEvil> I suspect the answer is 'way too fast'.
[23:05:40] <SpeedEvil> The energy is enough to heat all the battery components to 2000C
[23:05:55] <andypugh> Hard to say. The density is so different that they might resist mixing.
[23:06:01] <SpeedEvil> yeah
[23:06:12] <SpeedEvil> I guess it's one of those need to test things.
[23:06:24] <SpeedEvil> Will the molten salt layer reform spontaneously
[23:06:30] <SpeedEvil> or will it carry on 'boiling'
[23:06:38] <andypugh> No idea, sorry :-)
[23:06:58] <SpeedEvil> molten metals, flourine, what could go wrong? :)
[23:07:11] <SpeedEvil> I think I'll test it with chlorides only if I do.
[23:07:23] <SpeedEvil> In a teeny vial
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[23:11:17] * jthornton learned an old trick just now shift + insert will paste into the terminal window :)
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[23:14:17] <_methods> anyone know what a suitable modern equivalent to cup grease would be?
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[23:15:11] <andypugh> Interesting question.
[23:15:32] <Tom_itx> you want a synthetic?
[23:17:15] <andypugh> Is that a semi-fluid grease? Spheerol EPL 0 is what the Enfield guys use in their gearboxes. http://www.silmid.com/getattachment/98c30315-46d2-4ef9-8faf-996850bd8343/Castrol-Spheerol-EPL1.aspx
[23:20:03] <_methods> i'd use anything i guess
[23:20:23] <Tom_itx> http://www.mscdirect.com/browse/tn/Lubricants-Coolants-Fluids/Lubricants-Lubrication-Equipment/Lubricants/Grease/?008=-99&pcrid=24430225144&007=Search&006=24430225144&005=17124041&004=5290409464&002=2167139&mkwid=sRamFvam2|dc&cid=ppc-google-Product+-+Lubricants%2C+Coolants+%26+Fluids+--+B_sRamFvam2_synthetic+grease_b_24430225144_c_S&026=-99&025=c&navid=12107439
[23:20:29] <_methods> i was reading that maybe white lithium is a suitable replacement
[23:20:52] <SpeedEvil> what's it for?
[23:21:01] <_methods> grease cups on a lathe
[23:21:27] <_methods> old atlas th42
[23:21:31] <_methods> f10d
[23:22:07] <_methods> all the other lube points call for some 10weight motor oil
[23:22:25] <_methods> but the bearing have grease cups and the manual says to use cup grease
[23:22:45] <_methods> which is apparently something so deadly and dangerous it just stopped existing
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[23:26:16] <andypugh> http://www.easternpetroleum.in/cup_grease.html
[23:26:35] <t12_> my ears
[23:26:48] <t12_> is that a butter knife
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[23:28:57] <_methods> hahah 180kg drums
[23:29:26] <_methods> i'll be a cup grease dealer
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[23:47:19] <Shaun__> hi
[23:47:31] Shaun__ is now known as shaun414
[23:47:45] <shaun414> figured Id ask here, anyone know about restoring old too;s?
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[23:48:44] <Tom_itx> no
[23:48:50] <Tom_itx> ask the real question now.
[23:48:58] <shaun414> how to remeove rust
[23:49:11] <Tom_itx> pickling
[23:49:17] <shaun414> salt and vinegar?
[23:50:17] <Tom_itx> http://en.wikipedia.org/wiki/Pickling_%28metal%29
[23:50:55] <shaun414> idk about using strong acids
[23:51:03] <andypugh> Molasses
[23:51:29] <shaun414> srsly?
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[23:51:43] <andypugh> 10:1 mixture of molasses and water. Leave it to soak for 2 weeks.
[23:51:51] <shaun414> i dont have 2 weeks..
[23:51:57] <shaun414> and some of it has wood nearby
[23:51:59] <shaun414> cant soak
[23:52:31] <andypugh> Ah.
[23:53:25] <andypugh> Well, mollasses works well, is very gentle, and at the end is easy to dispose of.
[23:53:44] <shaun414> i dont have 2 weeks either..
[23:53:57] <andypugh> My experience is blogged here: http://bodgesoc.blogspot.co.uk/2014/04/1921-ner-car.html
[23:53:58] <Tom_itx> it took time to rust
[23:54:05] <Tom_itx> it takes time to undo it
[23:55:08] <XXCoder> unless you just plain grind it away
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[23:58:09] <cradek_> I'm doing the opposite - trying to rust some hopeless screws out of a part
[23:58:11] <shaun414> anyo more?
[23:58:12] <shaun414> any
[23:58:21] <cradek_> (in an alum solution)
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