Back
[00:00:00] <__rob> obviously if you have 2 edges then its some trig
[00:00:07] <__rob> well there is
[00:00:43] <cradek> how you can usefully probe depends on the shape of the part and how it's (approximately) on the table
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[00:01:02] <cradek> how you can go from those probe results to offset/rotation depends on what the points are
[00:01:11] <enleth> cradek: you could hook up a kinect or something...
[00:01:13] <spooq> you only need to probe 1 edge to get rotation, if its parallel to the x
[00:01:28] <__rob> enleth, I thought something like that would be nice
[00:01:34] <__rob> but I dont know ifthe resolution would be good enough
[00:01:35] <cradek> the answer is "it depends" but I guarantee you can do it in gcode :-)
[00:01:36] <enleth> like, determine that there's *something* on the table roughly *there*
[00:01:37] <__rob> to get decent alignment
[00:01:43] <enleth> and start probing in that direction
[00:01:49] <spooq> whats good enough in this case?
[00:01:51] <__rob> the digital probe is pretty accurate
[00:02:11] <cradek> my renishaw repeats extremely well - a few microns
[00:02:13] <__rob> so with enough probe points there would (depending on the part ) be a unique solution
[00:02:25] <cradek> the probe is better than the machine I bet
[00:02:28] <enleth> __rob: it's good enough to locate an object within a couple mm
[00:02:46] <enleth> assuming a distance of ~30cm
[00:02:49] <__rob> yea, guess that would be good to feed to the probe
[00:03:04] <__rob> so it probes in the right place
[00:03:10] <cradek> schmutz on the part will affect your results more than your probe's accuracy will
[00:03:24] <__rob> so are all the plugin scripts for linux cnc written in C or python or something ?
[00:03:24] <enleth> good point
[00:03:38] <__rob> like the probe routines from tormach for their digital probe
[00:04:05] <__rob> I mean, they talk to the ATC over a usb cable, so it must be written in a real language
[00:04:10] <cradek> I bet they're written in gcode
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[00:04:21] <cradek> (probing routines)
[00:04:31] <cradek> the tool changer must have a hal driver
[00:04:36] <cradek> hal drivers are written in C
[00:04:53] <spooq> mach3 scripts are vbscript I believe
[00:04:55] <cradek> well realtime hal drivers are written in C. userland hal components can be just about anything.
[00:04:55] <__rob> so they will have used custom gcodes ?
[00:04:59] <__rob> to talk to it
[00:05:03] <__rob> via their driver ?
[00:05:07] <cradek> to talk to what?
[00:05:11] <__rob> the ATC for instance
[00:05:21] <__rob> tell it to shuffle next
[00:05:32] <__rob> the actual board is hooked up over USB to the control machine
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[00:05:36] <__rob> the ATC board that is
[00:05:43] <cradek> the tool interface of linuxcnc is a few hal pins for 'load this tool' and 'prep this tool'
[00:05:53] <spooq> its normally parallel
[00:05:55] <cradek> tool changes are standard gcodes
[00:06:06] <spooq> Im really surprised they went with usb for anything
[00:06:15] <__rob> well its only for ATC
[00:06:23] <__rob> doesn't need to be realtime
[00:06:46] <__rob> I assumed they would have just used a com usb driver and a python sript or similar to talk to iy
[00:06:48] <__rob> it
[00:06:53] <__rob> bit hard to say without hte source code
[00:06:53] <cradek> yeah, if it's usb it's not realtime, but for slow stuff like talking to humans and tool changers, that's fine
[00:07:33] <spooq> its probably serial over usb
[00:07:39] <__rob> yea
[00:08:09] <__rob> cant see how to get a terminal up to look around..
[00:09:02] <__rob> http://www.tormach.com/blog/wp-content/uploads/2015/03/atc_screen.png
[00:09:08] <spooq> lsusb, check the /dev/tty files, etc
[00:09:09] <__rob> this is what you get for the atc
[00:09:22] <__rob> I would if I could get a terminal :D
[00:09:40] <__rob> its similar under "probe" for probe routings
[00:09:45] <__rob> but theres only like 3 pre done ones
[00:09:55] <__rob> this is what I am interested in finding out how its done so I can add my own
[00:10:22] <spooq> you tried port scanning it?
[00:10:31] <cradek> if you're asking about adding gui stuff to the pathpilot gui, nobody here can help you - probably nobody but tormach will answer those questions
[00:10:37] <spooq> maybe they left sshd open or telnetd?
[00:10:47] <__rob> yea, thats a good point
[00:10:53] <__rob> I'll take a look
[00:11:21] <__rob> ohh - assumed the gui was just their own layout of standard linux cnc with a few scripts for their tools
[00:11:26] <enleth> ah, the irony of Erickson QC tooling - there are no automated tool changers that support EQC, as far as I can see
[00:11:27] <__rob> maybe they've done more then I thought
[00:11:28] <spooq> failing that, pull the drive, mount it somewhere else, see whats on it
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[00:12:10] <cradek> __rob: they did a lot, including discarding the packaging work and making their own system of updates, and they locked in to a certain OS release and a certain monitor size
[00:12:36] <cradek> so ... it's not a whole lot like linuxcnc anymore, although deep down the brains are the same
[00:12:49] <spooq> apparently shift-alt on boot goes to gnome
[00:13:04] <__rob> right, thats good to know. To be honest most of my problems can be solved by just re processing the toolpath
[00:13:17] <__rob> if I can get the probe values exported then that would be an easier route
[00:13:57] <__rob> or just make a jig :)
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[00:20:32] <spooq> try ctrl-alt-x also, gives you a prompt
[00:27:01] <__rob> cool, will give that a go
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[01:00:00] <PetefromTn_> hi folks
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[01:15:37] <malcom2073> Hi
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[01:53:55] <trentster> howdy all
[01:55:03] <trentster> Anyone have a good collection of LCNC code routines to share e.g. center finding and edge finding probing?
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[02:00:09] <Jymmm> trentster: Look at the wiki
http://wiki.linuxcnc.org/cgi-bin/wiki.pl, also here are some gcode generators as example
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Simple_LinuxCNC_G-Code_Generators
[02:00:46] <cradek> trentster:
http://timeguy.com/cradek/01262579508
[02:02:35] <Jymmm> cradek: See how you are, keeping it all to yourself ;)
[02:16:41] <trentster> cradek: thanks a ton
[02:16:53] <trentster> Jymmm: danke her
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[02:33:39] <Jymmm> trentster: bete
[02:36:19] <trentster> Jymmm: I think you mean "Bitte"
[02:36:26] <Jymmm> yeh, that ;)
[02:36:41] <trentster> :-)
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[04:44:25] <SpeedEvil> http://cen.acs.org/articles/94/web/2016/01/Strong-Stretchable-Carbon-Nanotube-Films.html - holy fuck
[04:44:31] <SpeedEvil> that sounds 'easy' to make.
[04:44:34] <SpeedEvil> CVD
[04:44:55] <SpeedEvil> Using a stream of nitrogen gas, they injected ethanol, with a small amount of ferrocene and thiophene added as catalysts, into a 50-mm-wide horizontal tube placed in furnace at 1,150–1,130 °C. A hollow cylinder with walls made of aligned carbon nanotubes forms in the furnace and emerges from the other end of the tube, driven by the nitrogen. As the tube emerges, the researchers wind the floating carbon nanotube cylinder onto a rotating drum.
[04:45:03] <SpeedEvil> Modulo 1150C of course
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[04:48:48] <Jymmm> eh, blow it out your nitrogen tube!
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[04:49:34] <Ralith> how long are the resultant nanotubes?
[04:51:08] <Jymmm> 9.6 gigapascal = 200500168.638 pound-force/foot²
[04:52:04] <SpeedEvil> Ralith: dunno - but 9.6GPa is fucking excellent for what seems like an initial cut of the technique.
[04:52:31] <Ralith> that is pretty impressive, yeah
[04:52:41] <SpeedEvil> Double that, and you're almost at the point you can get a space elevator. (triple is better)
[04:52:53] <Ralith> sounds like it might actually be commercially useful
[04:53:47] <Jymmm> Kinda funny, I was reading last week about the lady who invented Kevlar =)
[04:53:52] <Ralith> wonder how much it weighs
[04:54:03] <Ralith> would be interesting to explore applications to e.g. light aircraft skin
[04:54:46] <SpeedEvil> Ralith: The fundamental theoretical strength is 230GPa, and about 1300kg/m^2.
[04:55:04] <SpeedEvil> Ralith: but - that's for closely packed ideal single-wall nanotubes
[04:55:24] <SpeedEvil> The density will probably be a bit lower as it's badly packed.
[04:55:38] <Ralith> did you mean kg/m^3?
[04:55:42] <SpeedEvil> yes
[04:55:42] <Ralith> or, no, it's a film
[04:55:45] <Jymmm> Kevlar is 50 years old
[04:55:47] <Ralith> oh
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[04:55:51] <Ralith> well then I wonder how thick it is!
[04:56:14] <SpeedEvil> Strength is of course one thing.
[04:56:16] <Jymmm> Ralith: the video shows a filament
[04:56:21] <Jymmm> https://en.wikipedia.org/wiki/Stephanie_Kwolek
[04:56:37] <SpeedEvil> I ahven't checked out the paper - but it may be lots stiffer than the polymer 'strings'
[04:56:51] <SpeedEvil> the polymers are great, but they have an extension of several percent
[04:57:13] <Jymmm> looks like goo
http://cen.acs.org/content/cen/articles/94/web/2016/01/Strong-Stretchable-Carbon-Nanotube-Films/_jcr_content/articlebody/subpar/articlemedia_0.img.jpg/1454095819163.jpg
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[04:59:16] * Jymmm waits for the nanotube printing fad to begin
[05:00:03] <SpeedEvil> It looks almost like it's felt-like
[05:00:26] <SpeedEvil> I do wonder what happens if you roll two layers together at right angles
[05:00:27] <Jymmm> carbon paper (if you rememebr that)
[05:00:33] <SpeedEvil> yeah
[05:00:50] <Jymmm> or nori (on the left)
[05:01:23] <Jymmm> SpeedEvil: tyvek
[05:01:39] <SpeedEvil> yeah - I mean what's the interlayer bond strength like
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[05:03:25] <Jymmm> how you looked at tyvek close up and in a bright light?
[05:03:28] <Jymmm> have*
[05:03:46] <SpeedEvil> yes, I know what it's like
[05:03:59] <SpeedEvil> I mean without binders
[05:04:02] <Jymmm> it's barly a fabric (mesh)
[05:04:07] <SpeedEvil> Felt doesn't have binders
[05:04:15] <Jymmm> here's a microscopic view
http://img.edilportale.com/products/prodotti-7832-reld32e5d1f8ccc4797a529b9327700f9cf.jpg
[05:04:37] <SpeedEvil> tyvek is melted partially though
[05:05:12] <Jymmm> It's really HDPE
[05:05:46] <Jymmm> I'm sure there is some carbon glue of sorts, graphite?
[05:06:09] <SpeedEvil> yes, you can do that, but if you could make it work like felt, that would be enormously better in some ways
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[05:06:20] <Jymmm> and at 2000F, they could make some sort of fabric, or even eae one
[05:06:32] <Jymmm> weave
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[05:06:33] <SpeedEvil> Felt is with a largely mechanical process interweaving the fibres
[05:06:46] <SpeedEvil> it has no binder, just wool
[05:07:48] <Jymmm> oh that's pretty for kevlar fabric
http://g03.s.alicdn.com/kf/HTB1ER7hHXXXXXcxaFXXq6xXFXXXT/325g-Jacquard-Black-Basalt-Colorize-Kevlar-fabrics.jpg
[05:08:13] <Jymmm> I saw just make it into threads and weave it into a fabric
[05:08:16] <Jymmm> say*
[05:08:28] <SpeedEvil> yeah - that's the other option
[05:08:56] <SpeedEvil> weaves have very different properties from a hypothetical 2d 'felt' though
[05:09:18] <SpeedEvil> The other fun issue is inhaled nanotubes
[05:09:40] <Jymmm> cant be much different than fiberglass
[05:10:12] <SpeedEvil> No
[05:10:49] <Jymmm> http://www.aliexpress.com/store/product/SUPER-STRONG-Carbon-3K-Aramid-Fiber-Hybrid-Fabric-Carbon-Kevlar-1500d-W-pattern-Cloth-190g-m2/324101_1224275045.html
[05:12:03] <Jymmm> I guess the stuff is *SO* available, they are just making fabric out of it for car bodies/custom helmets
[05:13:06] <Jymmm> pick a color, any color...
http://img.photobucket.com/albums/v687/wolfness-xi/100_3983.jpg
[05:13:26] <SpeedEvil> Being very careful as sometimes when you see 'carbon' it's actually dyed kevlar
[05:14:13] <Jymmm> But still, kevlar fabric that cheap for what it is?
[05:15:11] <SpeedEvil> you typically need several layers and stuff to make a finished product.
[05:15:45] <Jymmm> Hell, if it wasn't for the planned obsoelsnse of everythign these days, they could make a car bdy out of it, and nobody would die in an accident
[05:16:24] <Jymmm> "Yeah, just hit it with the hair dryer and it'll be good as new" lol
[05:17:04] <SpeedEvil> https://en.wikipedia.org/wiki/Ruppert_Archaeopteryx
[05:17:23] <SpeedEvil> This is a CF glider, which costs as much as silver.
[05:17:28] <SpeedEvil> $1/g or so
[05:18:31] <Jymmm> eeeesh
[05:18:33] <SpeedEvil> Once you put kevlar into a matrix - it snaps in crashes
[05:18:55] <Jymmm> nice
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[05:38:52] <CaptHindsight> tie dyed kevlar?
[05:39:00] <Jymmm> lol
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[05:41:39] <CaptHindsight> and hot grits carbon vapor deposition
[05:42:40] <CaptHindsight> frying pan + lard + CNT's = space elevator
[05:50:34] <Jymmm> I'm cleaning out crap, see this case of (data) cd/dvd's, and go.... why?
[05:51:00] <CaptHindsight> bit rot
[05:51:22] <Jymmm> Oh no, they are perfectly fine. But why keep them these days
[05:52:05] <CaptHindsight> lots of my recordable ones started dying tears ago
[05:52:14] <CaptHindsight> tear/years
[05:52:30] <Jymmm> It's all good, I speak typo =)
[05:53:14] <Jymmm> The VERY first cd I ever burned was a audio/data hybrid. last time I checked it was still good
[05:54:15] <Jymmm> But I have a tendancy to burn slower/depper than most ppl.
[05:54:21] <Jymmm> deeper*
[05:54:58] <Jymmm> Hell, my ZIP100 disks are still working fine.
[05:56:36] <Jymmm> I know cause I had to secure wipe a couple of them =)
[05:58:14] <evil_ren> i have cans of burnt cdr and dvdr, maybe like 10 years old, shit is mostly bad
[05:58:21] <evil_ren> mostly they look fine
[05:58:25] <CaptHindsight> were yours chewed on by toddlers? left in sunlight for 8 years? used to keep the table from rocking? I think NOT!
[05:58:38] <evil_ren> a few you can see some uneven discoloration
[05:59:01] <evil_ren> nope, in cakes, mostly kept in dim places
[05:59:30] <evil_ren> anyway, shit happens, known issue even with certain runs of regular rom CDs
[05:59:36] <Jymmm> One thing I've notice in the progression of technology is the cables; SCSI1, SCSI2, SCSI3, IDE40p, serial, parallel, IDE80p, firewire, usb1.1, usb2, SATA, usb3, lighting,
[06:00:14] <Jymmm> Oh and PS/2
[06:00:25] <Jymmm> AT too
[06:01:04] <CaptHindsight> SPDIF
[06:01:13] <evil_ren> spdif isnt a cable
[06:01:22] <Jymmm> I've never used it
[06:01:32] <CaptHindsight> it's not a moose
[06:01:33] <Jymmm> eh, it's fiber or coaxial
[06:01:35] <evil_ren> its consumer AES/EBU (AES3)
[06:01:46] <evil_ren> it uses RCA cables or optical cables with TOSLINK ends
[06:02:47] <evil_ren> toslink cables are pretty sexy
[06:02:47] <CaptHindsight> if i say fiber optic cable will the world end?
[06:03:11] <evil_ren> sad that it didnt catch on, its the best solution to ground loops
[06:03:14] <Jymmm> I've always kept two generations back on cables (cause they've always been expensive), getting ready to toss out the PS/2 cables
[06:03:27] <evil_ren> capthindsight: you could say toslink cable
[06:04:05] <evil_ren> optical cable is still ambiguous
[06:04:40] <evil_ren> because network cables, and spdif uses two diff optical ends, toslink and the 1/8" connector
[06:04:56] <CaptHindsight> I'm gender neutral on cables
[06:05:00] * Jymmm toss a anal cable at evil_ren. That ambiguous too?
[06:05:39] <CaptHindsight> lets ask Cable Nazi
[06:05:41] <evil_ren> capthindsight: fuck that, XLR and speakon are the shit
[06:05:56] <Jymmm> CaptHindsight: No such thing computer wise, just powerpoles are genderless
[06:05:58] <evil_ren> gendered cables make tons of sense
[06:06:09] <CaptHindsight> <-- goose steps to altar
[06:07:01] <evil_ren> besides not crossing io, automatic extension cables ftmfw
[06:11:04] <CaptHindsight> No results found for "transgender fiber optic audio cables".
[06:11:24] <Jymmm> CaptHindsight: try pansexual
[06:11:31] <Jymmm> or asexual
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[06:11:36] <Jymmm> or trisexual
[06:11:47] <Jymmm> or gender fluid
[06:12:02] <evil_ren> capthindsight: actually neutric has that
[06:12:07] <evil_ren> *neutrik
[06:12:17] <evil_ren> they make a male-female switchable XLR
[06:13:03] <Jymmm> powerpoles are genderless
http://www.powerwerx.com/anderson-powerpoles/powerpole-sets/
[06:14:02] <evil_ren> http://www.bhphotovideo.com/c/product/880888-REG/Neutrik_NC3FM_C_convertCon_Male_Female_Connector.html
[06:14:05] <evil_ren> damn, $14
[06:28:49] <toastyde1th> you generally want good connectors when you're putting XLR on something, which is why they're expensive
[06:29:02] <toastyde1th> imo 15 bucks per connection is the lowest I'd pay if I was building an xlr
[06:31:12] <evil_ren> um
[06:31:24] <evil_ren> neutrik XLR are like $2
[06:31:35] <toastyde1th> you can get .50 xlr
[06:31:44] <evil_ren> that one can change genders, so its basically connector + adapter
[06:32:06] <toastyde1th> anywhere I use xlr gets stepped on, pulled, and generally fucked up
[06:32:15] <evil_ren> right i said neutrik xlr are $2, i avoid most other brands
[06:32:44] <evil_ren> id also take most fake neutrik over actual switchcraft ends
[06:33:06] <evil_ren> the monoprice neutrik clones are pretty good
[06:33:14] <toastyde1th> i will have to look into that
[06:33:29] <toastyde1th> if they're holding up to abuse for you it would be worthwhile to try a few out
[06:33:58] <jfindley> what the hell are y'all talking about?
[06:34:08] <jfindley> pansexual power?
[06:34:15] <evil_ren> http://www.monoprice.com/Product?p_id=601651
[06:34:38] <evil_ren> heh, you have to buy the '3pin dmx' connectors
[06:35:17] <evil_ren> http://www.parts-express.com/neutrik-nc3mx-male-xlr-connector-nickel--092-011
[06:35:33] <evil_ren> its not like real ones are expensive, tho. but if youre already ordering from monoprice, shrug
[06:36:45] <toastyde1th> couldn't hurt to try
[06:50:10] * SpeedEvil ponders.
[06:50:14] <SpeedEvil> Are HSS gears a thing?
[06:50:51] <SpeedEvil> Any searches I try to do result in HSS gearcutting stuff, not gears made of HSS
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[07:06:29] <evil_ren> speedevil: maybe too hard for gears?
[07:06:47] <SpeedEvil> dunno
[07:07:07] <SpeedEvil> I was idly wondering, as I was thinking about tiny geared servos cheap
[07:07:18] <evil_ren> im just guessing you want something tougher for gears, harden the surface
[07:07:23] <SpeedEvil> For example, what you'd need to do a knee-joint.
[07:07:37] <SpeedEvil> running a brushless motor at stupid speeds
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[07:54:17] <archivist> good cutting wear<>toughness for gear teeth
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[08:12:15] <Deejay> moin
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[09:04:04] <minibnz> i have solved my problem with hooking up a RC servo to my speed knob on my X2 mini mill.. it works well enough, has 10 steps between off and full speed. lots a little top end revs but thats ok..
[09:04:29] <minibnz> i have 100 rpm steps on the low gear and 200rpm steps on the high gear...
[09:05:23] <minibnz> ended up having to add a PIC MCU thaat converted the pwm wave into RC servo PPM.. then modified a double gang pot to couple with the servo.
[09:06:31] <minibnz> added a switch that allows me to turn the motor on by hand when not using the cnc drivers. very happy.. now i have coolant lighting and speed all under software control. and the ability to use the mill by hand when i want to freehand a object.
[09:07:00] <minibnz> next will be to hook up the tachometer and then a tool changer..
[09:07:29] <minibnz> but they can wait for a bit.. going to start working on the laser again now i can make parts for it :)
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[09:30:28] <SpeedEvil> :)
[09:30:48] * SpeedEvil is waiting for someone to approach CNC by making a humanoid robot.
[09:30:55] <SpeedEvil> And using a manual mill
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[09:44:08] <archivist> minibnz, would have been as easy to write a hal component to do the same, then everyone could use it
[09:53:04] <minibnz> <archivist> yes but i feel that is far beyond my skills.. i am happy to share the source code for this. as for about $3 the problem can be solved. then there is also the wiki entry;s that say it can be done directly from EMC. to the point i saw the correct waveforms out of EMC on my ossilioscope but the servo would not move. i probably had/have a power issue and dont know it..
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[09:56:19] <minibnz> <archivist> and now i can also share my hack of a servo potentiometer to the rest of the world too.. i found dual gang pots that their base is easy to remove and htye have a lug inside there that mates up to a Servo really easily.. i probably should have milled up something rather than using as much epoxy as i did but meh.. RC servo pots or stepper pots are surprisingly expensive.. my hack is about $8 cheapest i found off the shelf was $
[09:56:20] <minibnz> 30+
[10:00:44] <minibnz> the code took me all night.. was fighting glitches at every turn.. then i decided to not use the interrupts and basically bit bang the ouptut that made things nice and stable.. ended up only using one interrupt to caputer the end
[10:00:58] <minibnz> of the pwm pulse and read the timer...
[10:01:33] <minibnz> now its all setup i just gotta find something fun to machine up with it..
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[10:02:23] <minibnz> contemplating cutting a planetary gearbox.. my Z axis could do with some more torque and belts are not really an option..
[10:03:41] <WalterN> gears are not the easiest thing to cut...
[10:03:57] <WalterN> oh, freenode must have dropped out from under me
[10:04:02] WalterN is now known as tiwake
[10:04:07] <tiwake> better :3
[10:04:46] <minibnz> yeah i have a 4th axis so that makes things a lot easier
[10:05:38] <minibnz> i might have to do rounded gear teeth to make the outter housing easier/possible...
[10:05:43] <tiwake> I know a guy who I can have cut such a thing with a wire EDM... but still... the surface needs more preparation
[10:06:05] <tiwake> good gearing is really picky... heh
[10:06:35] <tiwake> I should make something interesting with such
[10:06:37] <tiwake> hmm
[10:06:42] <tiwake> maybe make a gear pump
[10:07:06] <tiwake> ooo that would be cool
[10:09:01] <archivist> some gearing is surprisingly average
[10:09:41] <minibnz> tiwake i cut a pump from acrylic worked well once i fixed the hole centers.. my mill missed steps due to a software screw up and tried to move way to fast. it worked well the center holes was the only problem
[10:09:48] <archivist> eg clocks and watches
[10:10:01] <tiwake> oh yeah
[10:10:12] <tiwake> clock stuff is pretty sloppy really
[10:10:15] <minibnz> yeah its surprising how rough clock gears can be and still work accurately..
[10:11:26] <tiwake> anyone happen to know what kind of regulations I need to pass to anodize commercially in USA?
[10:11:36] <minibnz> i have the gearbox drawn in solidworks but everytime i think about it ... it just screams this should be laser cut
[10:11:48] <tiwake> I look up stuff on acid and all I get are LSD junk
[10:11:59] <tiwake> s/are/is/
[10:12:26] <Sync> archivist: clocks and watches don't have real gears :P
[10:12:34] <minibnz> tiwake you use sulfuric acid (i think) to open the pores of the metal. once finished the acid is almost neutral if dont well.
[10:12:44] <archivist> I imagine your local health and safety rules can be found
[10:13:00] <archivist> Sync, sure they do
[10:13:01] <Sync> tiwake: probably not many, the only dangerous thing is the sulfuric
[10:13:09] <tiwake> minibnz: sure... yesterday I did another small batch... thinking about doing it commercially
[10:13:12] <minibnz> and you can further neutralize the remains so its safe to take to disposal
[10:13:34] <tiwake> both small batches I did came out wonderfully
[10:13:52] <minibnz> was thinking of doing some at home.. power supplies are so cheap now you can get 5v 60amps for under $50
[10:13:58] <tiwake> seriously thinking about a real anodizing getup
[10:14:28] <tiwake> minibnz: I think you need higher voltage than that
[10:14:41] <archivist> tiwake, ask petefromtn when he gets in later
[10:14:44] <Sync> http://cdn.silodrome.com/wp-content/uploads/2013/08/f1-gear-box.jpg archivist that is a proper gear
[10:14:46] <tiwake> 15ish might be minimum
[10:15:23] <archivist> Sync, nope this is proper
http://gears.archivist.info/gears/IMG_1214_hires.JPG
[10:15:25] <minibnz> yeah but you get my point.. all you need is a current controller added to the right voltage. they are easy for electroplating.
[10:15:30] <tiwake> when I anodize, I typically get about 13volts of voltage draw when targeting 4 amps/ft^2
[10:15:39] <XXCoder> sulfuric acid does well on opening skin poresn too ;)
[10:16:29] <tiwake> but I might use another acid for surface preparation
[10:16:47] <archivist> trouble with some trades is its a "me too" so lots of competition
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[10:17:33] <tiwake> was starting to do a batch yesterday and noticed that the water was balling up on one of the parts indicating oil still on it...
[10:17:42] <Sync> well, there is nothing critical with those archivist
[10:17:58] <tiwake> pulled them out, and took the rest of them and gave them a good acid spraydown
[10:18:32] <tiwake> archivist: well, nobody in town locally is doing it... heh
[10:18:51] <archivist> next town?
[10:18:56] <tiwake> but thats not really surprising either
[10:19:09] <tiwake> closest place might be an hour drive I guess
[10:19:26] <tiwake> where the closest walmart exists
[10:19:41] <tiwake> XD
[10:20:13] <archivist> peteffromtn wants to move dunno if he wants to keep his anodizing gear
[10:20:14] <minibnz> i just like the idea of being able to say i can do that.. or i have one of those.. im working on a laser cutter going to have 4x40watt diodes pumping a yag crystal hoping to cut 3mm metal
[10:20:31] <tiwake> well, I doubt it would help at this point
[10:20:43] <minibnz> i can get stuff cut or milled but i enjoy making things. so lately i have been making things that help make things.
[10:20:52] <tiwake> what I'm considering is mostly as an aid for my existing customers
[10:21:09] <SpeedEvil> minibnz: interesting
[10:23:08] <minibnz> SpeedEvil have finally worked out my drive circuits for the diodes just gotta mill up a laser cavity and get it gold plated. i have had one of the diodes up to about 30watts and it alone burns dark cardbord no lens no problems
[10:23:19] <SpeedEvil> yay
[10:23:23] <tiwake> kinda considering PTFE tubs
[10:23:41] <Sync> hdpe is cheaper and works aswell
[10:23:41] <SpeedEvil> minibnz: There must be a market for a dark cardboard burner! :)
[10:23:46] <minibnz> ptfe is good for nearly all acids
[10:23:54] <tiwake> right
[10:23:56] <SpeedEvil> minibnz: what is the plausible power output for 80W pump?
[10:24:00] <tiwake> PTFE is so badass
[10:24:07] <minibnz> SpeedEvil hehehe
[10:24:37] <tiwake> it would be able to take the heat, or pretty much anything I throw at it
[10:25:02] <tiwake> but HDPE is pretty darn cheap...
[10:25:07] <tiwake> meh
[10:25:33] <tiwake> does HDPE react with nitric acid?
[10:26:05] <minibnz> SpeedEvil if you get good coupling using 808nm diodes it should be easy to get 20-30% output of 1064nm. so with my 4 diodes all pumping 40 watts thats 160watts in so 32 upto 48watts..
[10:26:19] <SpeedEvil> not bad
[10:26:31] <minibnz> if it all works welli will buy more diodes if it doesn't do what i need..
[10:26:39] <SpeedEvil> I wonder about TEA myself
[10:26:39] <Sync> up to 70% it should be fine
[10:27:44] <minibnz> max coupling acheived has been reported as 40% using 808nm diodes but that is with everything Perfect.. with the capital P.. so i guess i should be able to get 30% on my good day
[10:27:49] <tiwake> was just noticing
[10:27:53] <tiwake> yeah
[10:28:07] <tiwake> well, unless I kept it in that container for a long time
[10:28:13] <tiwake> say months on end
[10:28:41] <minibnz> tiwake i would say get a stone crucible but even they are not resistant to everything..
[10:29:28] <tiwake> the problem is really getting the parts clean
[10:29:46] <tiwake> I could get a commercial dish washer...
[10:30:24] <Sync> I usually just dip them in NaOH solution and that works well enough
[10:30:27] <minibnz> the plastics inside probably wont like the acids. but it might get them clean enough..
[10:30:31] <tiwake> but even then, I know how parts are... some sit out for a day or more and coolant drys off and leaves sticky impossible-to-get-off goop
[10:30:40] <minibnz> what about a ultrasonic cleaner?
[10:31:30] <tiwake> http://www.performanceboats.com/attachment.php?attachmentid=151681&stc=1&thumb=1&d=1331073678
[10:31:39] <archivist> ultrasonics on their own dont get corrosion off
[10:31:59] <tiwake> thats what I used, as a final cleaner... it works amazingly well
[10:32:45] <tiwake> don't breath the fumes
[10:32:59] <minibnz> tiwake thats the job of the linsher :)
[10:33:12] <tiwake> linsher?
[10:33:18] <minibnz> but you are right it wont..
[10:33:32] <XXCoder> tiwake: coolant is good coolant resue dissolver
[10:33:32] <minibnz> linisher is a belt or wheel pollisher
[10:33:45] <tiwake> oh
[10:34:15] <tiwake> that won't get inside small drilled holes... or pretty much any hole XD
[10:34:24] <XXCoder> coolant will
[10:34:59] <archivist> they fill holes!
[10:35:03] <tiwake> http://www.performancearcherygear.com/Rear-Mount-p/pag-rmnt.htm
[10:37:22] <tiwake> <insert joke about filling holes>
[10:37:59] <XXCoder> I sure filled your mama's.
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[10:43:05] <Kucharsky> Hello to all
[10:43:14] <XXCoder> hey
[10:43:25] <XXCoder> tiwake: sorry about joke
[10:43:38] <tiwake> *shrug*
[10:45:43] <tiwake> I was going to toss in something about her being in a old person house...
[10:45:56] <tiwake> (not actually true, yet)
[10:46:13] <minibnz> doesn't matter if its funny :)
[10:46:22] <XXCoder> indeed
[10:46:25] <minibnz> and old people in homes are funny.. :)
[10:46:43] <minibnz> specially if XXCoder is taking advantage of them :P
[10:46:52] <XXCoder> lol
[10:47:03] <tiwake> oh gosh this is great
https://www.youtube.com/watch?v=Mh5LY4Mz15o
[10:49:24] <minibnz> im set for my history exam thanks :)
[10:49:33] <tiwake> its so funny
[10:51:18] <XXCoder> japan winds is cruel
[10:51:26] <XXCoder> wiped mongian invaders twice
[10:57:46] <XXCoder> that videos awesme
[10:59:27] <minibnz> i have just found wobble in my dividing head.... i think its been there from the day of manufacture.. how can i true it up?
[11:00:03] <minibnz> can i simply mill all the gripping surfaces?
[11:00:54] <minibnz> say put a 7mm cutter in and run it against the gripping surfaces as the jaws rotate? then do the outside surafaces the same?
[11:01:34] <minibnz> or should i take the jaws out and mill/grind them correct?
[11:02:51] <minibnz> i notice the woblle when i put in a 5mm staight rod in the jaws and spin it. .the top does a little circle.. previously i thought i wasn't putting the footstock at the right height..
[11:05:09] <minibnz> its a small 3 jaw chuch that screws onto the drive shaft.
[11:05:17] <minibnz> chuck&
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[11:08:54] <tiwake> I'm going to try again
[11:11:18] <archivist> minibnz, add spacers to hold the jaws so they clamp in the usual direction and grind the clamping surface, but ordinary 3 jaw chucks are never that good
[11:12:08] <archivist> better to use a collet in the bore of the rotary
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[11:13:48] <archivist> last time I did it I used three packings between the jaws on the angle
[11:14:15] <morbo> hey there...I have a quick question about the use of motion controllers.
[11:14:21] <archivist> all cut from the same bar to make sure they were the same size
[11:14:28] <morbo> or rather, why would I buy one, if I'm using linuxcnc
[11:14:54] <morbo> don't I just require a machine with linuxcnc on it, and drivers for the motors
[11:14:55] <morbo> ?
[11:15:00] <archivist> you wouldnt buy a motion controller
[11:15:19] <morbo> http://www.zappautomation.co.uk/electrical-products/cnc-motion-controllers-18/motion-controllers-from-cs-labs.html
[11:15:44] <morbo> so somethng like this, isn't required...I would just be sending my step/dir directly to my drivers for the motors?
[11:16:21] <archivist> step dir or use servos
[11:16:25] <morbo> right
[11:16:46] <morbo> otherwise, the motion controller is there to receive gcode, and then do the rest, right?
[11:17:01] <morbo> translate to proper signals, then send to drivers
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[11:17:24] <archivist> depends on the contoller
[11:17:34] <morbo> the one I linked?
[11:19:39] <archivist> have you read their manuals?
[11:19:44] <archivist> I have not
[11:20:39] <morbo> having a look through now. Thought maybe you knew off hand
[11:20:48] <morbo> but thanks regardless, I have a general idea now.
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[12:11:07] <Frank__> everyone like zZZzzZZ or working
[12:14:12] <archivist> or waiting for someone to give him some work
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[12:43:48] <minibnz> archivist just took a peice of pipe opened the jaws outward then sent the cutter down into the jaws and rotated it. before the grind 0.25mm wobble after the grind 0.1mm wobble, tested with two diameter rods and lengths.. its much beter, in that i can no longer see the wobble on the end of the rod in the jaws when it spins.. its there on the dial but not by eye.. thats good enough for me.. tight spot or loose spot on the gears..
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[12:44:46] <minibnz> i could notice it when i was turning the jaws against the cutter one had more meat to take off thant the others and it matched up with what the dial was sayin.
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[12:49:29] <archivist> minibnz, the other thing you can get is soft jaws so you turn them so suit each job
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[12:51:59] <minibnz> hmmm interesting idea there achivist..
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[12:53:42] <archivist> still need to provide some holding force in the correct direction to turn them
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[12:59:48] <minibnz> maybe if i place a clamp on the outside of the edge i could get that last 0.1mm out of the jaw but it will be fine for now.
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[14:01:00] <pink_vampire> hi
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[14:34:46] <malcom2073> Hi
[14:35:03] <Jymmm> malcom2073: Greetings Hu-mon
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[14:36:20] <malcom2073> Sup fool?
[14:37:18] <Jymmm> ssdd
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[15:59:42] <SpeedEvil> http://imgur.com/gallery/QDd8txX 3d unprinting
[16:05:12] <TekniQue> nice
[16:08:33] <_methods> hehe
[16:09:08] <gonzo_> no mention of how many discs they used though
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[16:28:14] <archivist> expensive anteeeeek
http://www.ebay.co.uk/itm/Societe-Genevoise-SIP-MUL-300-Universal-Length-Measuring-Machine-/151971205147
[16:28:54] <_methods> wow
[16:29:23] <_methods> that thing is secksay
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[16:29:53] <archivist> better than your average micrometer
[16:31:03] <_methods> all kinds of thread pitch attachments too
[16:31:10] <_methods> whitworth and acme
[16:31:40] <_methods> it comes with a lapping stone too?
[16:32:47] <archivist> what beats me is ebay managed to spam me almost correctly for "bench micrometer" with
http://www.ebay.co.uk/itm/231833769791
[16:34:14] <archivist> that is the base/half of a bench micrometer
[16:35:16] <archivist> a complete one
http://www.collection.archivist.info/searchv13.php?searchstr=sigma+bench
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[16:56:55] <archivist> _methods, I did see one of these in the flesh
http://bbs.homeshopmachinist.net/threads/57544-Add-a-camera-to-a-toolmakers-microscope
[16:58:17] <_methods> wow
[16:58:26] <_methods> overkill for the jobstuff stuff we do
[16:58:40] <_methods> i love high tolerance inspection tooling though
[17:01:17] <archivist> seller wanted £1200 iirc grrrrrr
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[17:06:31] <CaptHindsight> _methods:
http://bigthink.com/videos/john-cleese-on-political-correctness
[17:07:06] <CaptHindsight> oh and "your mother was a hamster and your father smells of elderberries"
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[17:30:57] <_methods> hahahah
[17:34:50] <CaptHindsight> name brand VFD's aren't far off from Chinese pricing anymore
http://www.wolfautomation.com/ProductList.aspx?CategoryID=5796
[17:43:55] -!- mitch_idle [mitch_idle!~mitch@HSI-KBW-078-043-236-197.hsi4.kabel-badenwuerttemberg.de] has joined #linuxcnc
[17:44:23] <CaptHindsight> has anyone found a Chinese VFD with encoder feedback for closed loop?
[17:45:02] <mitch_idle> good evening
[17:49:51] <mitch_idle> i have a question about homing in linuxcnc. my cnc router has 2 stepper motors in x-axis. is there a way to control the 2 motors as one, but with 2 home switches (one for each motor)? after a restart the portal moves out of the right angle, because the stepper motors snap in the next full step, which may cause the motors to move in differend directions.
[17:50:31] <_methods> gantrykins
[17:50:36] <mitch_idle> and sorry for my bad english :-/
[17:50:46] <_methods> i believe is what you want to control dual motors on a single axis
[17:51:09] <_methods> i've never set it up before so i'm afraid i won't be much help
[17:53:56] <mitch_idle> sounds very nice :-)
[17:54:13] <mitch_idle> thanks a lot
[17:54:29] <_methods> np sorry i don't know more about it
[17:54:43] <_methods> i think most people use it on thier plasma tables
[17:54:54] <_methods> or large router tables
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[17:55:40] <CaptHindsight> it's also a way to see if you have a stiff gantry design or not
[17:55:49] -!- Sh1rt [Sh1rt!~Sh1rt@unaffiliated/sh1rt] has parted #linuxcnc
[17:56:02] * Loetmichel sioldered today until his eyes stayed crooked... will take a few more days to populate 100 of these boards: http://www.cyrom.org/palbum/main.php?g2_itemId=16131 :-)
[17:56:42] <CaptHindsight> but hand soldering is soooo much fun
[17:57:36] <_methods> looks like it's time for solder stencil and oven for you
[17:57:45] <CaptHindsight> Loetmichel: do you also use solder paste and cheap oven for small boards like that?
[17:57:59] <Loetmichel> no
[17:58:21] <Loetmichel> 1mm l-sn60pb40 solder wire with rosin core and a steady hand ;)
[17:58:32] <Loetmichel> its only 0805 parts on there ,)
[17:59:27] <_methods> i can see doing 2 or 3 boards like that
[17:59:29] <_methods> but 100's
[17:59:32] <_methods> no thank you
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[18:01:53] <Loetmichel> _methods: a co-worker has to solder 300 pcbs with 2 micro filters and a Dsub9 plug... HE has some fun ;)
[18:03:09] <_methods> oh wow
[18:03:25] <Loetmichel> and yet another co-worker does the 100 TFT monitor keys pcbs (6* micro switch key and a 10 pin pin header and a duo led ;)
[18:05:12] <Loetmichel> ... and thanks to mitch its the first time we actually have enough time to do that... and not hurry it in 12hr shifts because the PCBs arrived a month late like the time before last time (from a german suppplier)
[18:06:29] -!- chris_99 [chris_99!~chris_99@unaffiliated/chris-99/x-3062929] has joined #linuxcnc
[18:07:17] <pink_vampire> someone here use blender for rendering?
[18:11:51] <FloppyDisk> I did a 2.6 disk update and upon reboot I have a GRUB command line prompt.
[18:12:01] <FloppyDisk> Says press tab for list of commands which is many...
[18:12:24] <FloppyDisk> Tried HELP and same/similar list, only organized better.
[18:12:29] <Erant> Damn. A local school is selling three Dyna Myte CNCs for $500 a pop.
[18:12:44] <FloppyDisk> Any ideas on how to get this machine fired up...
[18:13:38] <Erant> http://images.craigslist.org/00A0A_ccYsPmBCjxc_600x450.jpg
[18:15:20] <Erant> Totally would've gone for one of those if I didn't already have so much work sunk into mine.
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[18:17:31] <pcw_home> those are cute
[18:18:24] <gregcnc> There seem to be quite a few of those Dynamite 2400 around
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[18:19:19] <FloppyDisk> http://sfbay.craigslist.org/sby/tls/5430136178.html whole slew of stuff at the dynamite craigslist post.
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[18:21:17] <beikeland> my temporary probe opens the electrical contact before the switch is mechanically reset. So I would like the smartprobe to retract a little more after it has completed the G38.5 z#7 command, and before it starts the G38.3 x#11 command. Is something in the lines of G0 z[#5063+1] the way to go?
[18:23:06] <Erant> FloppyDisk: Yeah, I'm asking him about the southbends
[18:24:28] <FloppyDisk> Erant - You must be the pending:-) Good luck. Nice stuff there...
[18:25:41] <Erant> Huh. No, actually. It went from $1000 to $Pending between me dropping him a line though.
[18:27:11] <Erant> But I'm not in a rush for a lathe. Just going to keep monitoring CL.
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[18:30:22] <membiblio> Question regarding LinuxCNC HAL: the variable spindle-on is CREATED in the .hal file with this: net spindle-on <= motion.spindle-on Is this correct?
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[18:32:12] * Loetmichel issues a warning to all german ITSCO customers: https://www.itsco.de/pc-lenovo-thinkcentre-a62-amd-athlon-64-x2-5000b-2x-2-6ghz-7062-20509.html <- this one doesent work as a LinuxCNC PC... some NMI that makes 600k jitter... nearly unusable
[18:32:16] <Loetmichel> and i cant find it
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[18:35:53] <pcw_home> membiblio: Yes, I think the first invocation of a new signal name in a net statement creates the signal ( but not sure about how its parsed )
[18:35:55] <pcw_home>
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[18:37:24] <membiblio> pwc_home that is what I thought BUT commenting out that line - spindle-on is still present in the HAL viewer.
[18:38:19] <membiblio> How do I create a NEW signal - outside of a .py file - just in the HAL description file like custom_postgui.hal?
[18:39:18] <membiblio> The documentation goes from Getting Started through HAL to developer but - I don't think ever touches on creating new variables - does it? If so - where?
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[18:48:24] <membiblio> pwc_home - I suspect that variable - spindle-on - is created inside the motion module for use outside the motion module
[18:58:05] <pcw_home> any net statement will create it
[19:00:54] <pcw_home> so if you have these statements in your hal file (that connect gooberpin to strazblatt)
[19:00:56] <pcw_home> net foo gooberpin
[19:00:57] <pcw_home> net foo stratzblatt
[19:00:59] <pcw_home> and comment out the first net statment
[19:01:00] <pcw_home> the second will still create the signal
[19:01:18] <_methods> damn monarch sold already
[19:02:56] <Erant> _methods: You're in the bay?
[19:03:01] <chris_99> Has anyone ever seen 80/20 for sale in the UK somewhere oit of interest?
[19:07:09] <_methods> nah
[19:07:16] <_methods> but i'd get a rigger for that at the right price
[19:07:19] <membiblio> pwc_home - yes I understand - but... if you comment out the net spindle-on <= motion.spindle-on - spindle-on is STILL present. This leads me to believe that something else created it.
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[19:33:02] <Erant> _methods: Just out of curiosity, how much would a rigger be?
[19:33:15] <_methods> just depends
[19:33:29] <_methods> for a trip like that might be a 2-5k
[19:33:34] <_methods> it's an easy move
[19:33:37] <_methods> just a single lathe
[19:33:43] <_methods> it would be mostly fuel
[19:34:27] <_methods> probably better off just flyin to sf and renting fork truck and puttin it on freight
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[19:35:36] <Erant> Interesting.
[19:36:42] <Erant> I mean, the lathes I'm looking at would cost less than a rigger, but it's interesting to know that's an option.
[19:36:51] <_methods> yeah
[19:37:03] <_methods> a small lathe like that could be even less if you shopped around
[19:37:10] <_methods> maybe $500-1k
[19:37:19] <_methods> if you were patient on teh freight guys getting a full load
[19:37:28] <_methods> since it's so small they can load the truck with other stuff
[19:37:50] <_methods> not like a real VMC or something like that with chip conveyors and control cabinets and stuff
[19:38:27] <_methods> and if they have a forklift on site then you don't even need to rent one
[19:39:09] -!- PCW [PCW!~chatzilla@99.88.10.65] has joined #linuxcnc
[19:39:24] <_methods> http://www.practicalmachinist.com/vb/general/equipment-transport-west-coast-east-coast-cost-297280/
[19:39:45] <_methods> guy in that post had oversize load from richmond to vancouver wa for $4900
[19:39:52] <_methods> that's with oversize permits too
[19:41:37] <_methods> those monarchs and hardinges can go for big money so if you can get one from someone who doesn't know for $1-2k it's worth the rigger cost
[19:41:46] <_methods> hell even $4k
[19:42:22] <_methods> i just saw a hardinge hlv go at an auction for $19k
[19:42:27] <_methods> crazy
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[19:43:04] <_methods> i seem them on ebay for like $8-10k
[19:43:31] <_methods> all the way up to $25k
[19:44:09] <Erant> Hot damn.
[19:44:49] <_methods> so sometimes you see some crazy deals at those schools dumping stuff just because they don't know and don't care
[19:45:59] <Erant> Yeah, I didn't know those small CNC machines would go for $500.
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[19:47:25] <_methods> that's actually probably low
[19:48:34] <_methods> i just saw a dynamyte 3000 cnc lathe sell for $2800
[19:48:40] <gregcnc> those DM2400 sell for 1500 pretty easy working
[19:49:21] <gregcnc> people ask $ 3000
[19:50:35] <_methods> yeah if i was in the area i'd snatch up all 3 and resell for sure
[19:52:18] <_methods> i got my good deal for the month yesterday though lol
[19:52:29] <_methods> $100 Cinci #2 horizontal lol
[19:52:38] <_methods> with overarm
[19:52:39] <Erant> $100 O_o
[19:52:44] <_methods> yep
[19:52:52] <_methods> going to pick it up on fri
[19:53:24] <_methods> and a keyseater
[19:53:33] <_methods> we paid for that one though
[19:53:52] <_methods> it's hard to get a good deal on a keyseater lately for some reason
[19:54:29] <_methods> $4800 for a davis #5
[19:56:52] <_methods> still not a horrible deal
[19:57:02] <_methods> but i was hopin to get it for like $2k lol
[19:59:27] <Jymmm> _methods: "I'l make you a deal you can't refuse"
[19:59:33] <CaptHindsight> gregcnc: have you ever been to Trading Post. Behind Teddy's off Rt. 14?
[19:59:42] <gregcnc> yes
[19:59:51] <Jymmm> CaptHindsight: Yeah, they have great burgers
[19:59:56] <gregcnc> I saw a box of drills and a 1" mic
[20:00:05] <CaptHindsight> how does it work? do you haggle? or?
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[20:02:39] <gregcnc> never bought anything. typical pawn shop. feel slimy walking around there. last time i was there this a couple came in selling a fur coat they "got for a birthday and didn't need"
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[20:02:56] <CaptHindsight> oh pawn shop
[20:03:08] <gregcnc> I think they own the cash for gold next to Andy and the other pawn shop across the street
[20:03:15] <gregcnc> Andy's
[20:03:23] <CaptHindsight> seems to be full of appliances and tools
[20:03:32] -!- Valen [Valen!~Valen@2401:a400:2306:a100:44f6:6583:6d42:fd7a] has joined #linuxcnc
[20:03:47] <CaptHindsight> "we got this washer for xmas and we already had one"
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[20:04:08] <gregcnc> they list a lot on CL
[20:04:15] <CaptHindsight> where i saw them
[20:04:44] <CaptHindsight> was looking for an oven for small powder coat items
[20:05:17] <CaptHindsight> $50 electric ovens
[20:06:26] <gregcnc> kitchen variety?
[20:06:35] <CaptHindsight> yeah
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[20:07:20] <CaptHindsight> actual powder coat ovens are a niche and you don't see those around
[20:07:38] <CaptHindsight> and commercial is going to be stainless and cost a fortune
[20:07:44] <gregcnc> right usually custom made for the size of shtuf you plan to coat
[20:07:50] <CaptHindsight> yup
[20:09:27] <CaptHindsight> an insulated metal box sounds simple until you start adding up the time and door with window, PID, wiring etc etc
[20:10:05] <_methods> hmmm
[20:10:16] <_methods> i never thought about making a small powdercoat oven
[20:10:23] <_methods> that's a damn good idea
[20:10:53] <CaptHindsight> most of my parts are small control cabinets
[20:11:00] <_methods> i could probably make a killing while getting drunk powdercoating small parts here
[20:11:42] <CaptHindsight> BWI
[20:11:55] <CaptHindsight> baking while intoxicated
[20:12:14] <_methods> amen
[20:12:50] <_methods> small heat treat and small powder coating
[20:13:09] <_methods> get drunk all day and take stuff in and out of ovens
[20:13:15] <_methods> kinda like a baker
[20:13:16] <_methods> lol
[20:13:53] <gregcnc> small heat treat is probably a good market with all the knifemaker trainees
[20:13:57] <CaptHindsight> http://chicago.craigslist.org/chc/for/5419189858.html $1k for a few cubic feet
[20:14:06] <_methods> that's what i was thinking
[20:14:15] <_methods> there are tons of "knifemakers" around here too
[20:14:39] <gregcnc> I was looking to buy and you're talking $1000 for 8x8x8 with digital control
[20:14:45] <_methods> i think they all hang out at that "woodworking" shop
[20:14:50] <_methods> shop/store
[20:15:04] <_methods> the place no real woodworkers would go near
[20:15:18] <_methods> all they sell in there is pen lathes and festool stuff
[20:15:19] <_methods> lol
[20:16:04] <gregcnc> I ended up with a used small paragon for 250 I could pick up locally, it will do for my needs
[20:16:18] <FloppyDisk> what advantage would debian wheezy amd64 have over i386 for linuxcnc or other uses?
[20:16:30] <gregcnc> I'm amazed what Grismo gets for a knife
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[20:16:52] <FloppyDisk> RTAI is for i386 and Preempt-RT can be amd64 or i386?
[20:16:56] <_methods> yeah there's some guy around here who is actually good and he gets good money for his knives too
[20:17:05] <_methods> but he's actually a real knife maker
[20:17:25] <_methods> http://www.jasonknightknives.com/
[20:17:58] <_methods> heh i like his rebar oyster knife
[20:18:03] <_methods> i need to make one ofthose
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[20:18:48] <_methods> we did some work on his powerhammer
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[20:20:03] <CaptHindsight> http://chicago.craigslist.org/wcl/bfs/5431537398.html 38"w X 40" deep X 32" tall
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[20:20:42] <CaptHindsight> so the interior is probably 34 x 26 x 28
[20:20:52] <CaptHindsight> not too bad
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[20:27:05] <Erant> Prob going to this mid-Feb:
http://ashmancompany.com/auctions/details/1000000686
[20:28:23] <Erant> I wanna see what that Wabeco lathe goes for
[20:35:52] <_methods> oh man i'd love to have that little mori in my garage
[20:36:18] <_methods> ah they got hlv too
[20:36:19] <_methods> nice
[20:37:29] <_methods> heh they had all kinds of cool little benchtop machines
[20:38:10] <_methods> i think amada is doing an auction somewhere in cali coming up too
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[20:38:36] <Erant> This one happens to be close enough to work that I can skip over to it.
[20:38:50] <_methods> best auctions of all
[20:39:02] <Erant> I'm going to look at their tooling, but if the lathe's not too expensive I'm finding someone to haul it to my garage.
[20:39:03] <_methods> driving distance
[20:39:04] <_methods> hehe
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[20:39:29] <joem_> hi, i'm looking for a vice for my cnc'd g0704 mill, and was looking at this one, but was wondering... does anbyody have any idea it mounts to the table?
http://www.amazon.com/HHIP-3900-0172-Super-Lock-Machines-Width/dp/B00E0NBOO4
[20:39:32] <joem_> vise*
[20:39:43] <Erant> Too bad the shop has to close, but their loss my gain?
[20:39:46] <_methods> strap clamps
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[20:40:04] <_methods> or low profile toe clamps
[20:40:33] <joem_> okay, makes sense
[20:41:08] <joem_> any advantage to this vs the ones that have built-in wings for mounting?
[20:41:15] <_methods> yes
[20:41:21] <_methods> you can get more vises on a table
[20:41:22] <joem_> more flexibility in mounting location
[20:41:38] <_methods> and mounting flexibility
[20:42:43] <joem_> so like this
[20:42:43] <joem_> https://www.glacern.com/photos/gpvr_01.jpg
[20:42:56] <_methods> yep
[20:42:59] <joem_> cool thx
[20:43:08] <_methods> those are low profile toe clamps
[20:43:52] <joem_> strap clamps
[20:43:54] <joem_> literal straps?
[20:43:58] <_methods> yeah
[20:43:59] <joem_> like how i tie down furniture in the bed of my truck
[20:44:36] <_methods> https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQxPuBVeJh9RdOinkcrMKbx00itjAhn8dTIThcSPEHe1Wp3HViV7Q
[20:44:38] <joem_> oh lol
[20:44:39] <_methods> like that
[20:44:52] <joem_> ok cool
[20:45:02] <_methods> they're called strap clamps
[20:45:27] <_methods> or tslot clamps
[20:45:32] <joem_> yeah, i have this set added to my cart:
http://www.ebay.com/itm/121569821880
[20:45:33] <_methods> http://www.amazon.com/CLAMPING-TSlot-Flange-Coupling-Milling/dp/B00BPEI6WY/ref=sr_1_3?ie=UTF8&qid=1454532319&sr=8-3&keywords=tslot+clamps
[20:45:45] <_methods> yep
[20:45:48] <_methods> that's what you want
[20:46:26] <_methods> well you want the low profile clamps
[20:46:33] <_methods> but the strap clamps will work
[20:46:47] <joem_> well the low profile clamps ill probably make
[20:46:55] <_methods> that's what i do too
[20:47:09] <_methods> they're simple enough to make
[20:47:23] <_methods> bar stock with some steps and some cbore'd holes
[20:47:57] <joem_> done and done
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[21:19:21] <joem_> any experience with closed-loop hybrid servo/stepper motors?
[21:19:25] <joem_> http://www.aliexpress.com/store/product/servo-motor-86HB250-118B-HB860D-Closed-loop-step-motor-8-5N-m-Nema-86-Hybird-closed/817985_32596083003.html
[21:21:39] <Kucharsky> yeah I'm interested in them too
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[21:30:27] <joem_> i'd love my machine to be able to know when too much torque is being applied and slow down the feed rates
[21:30:34] <joem_> or at the very least emergency stop
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[21:42:27] <malcom2073> Servos are nice for that
[21:42:56] <malcom2073> Not slowing down the feed rates, but reporting when there is a follow error
[21:43:43] <gregcnc> impressive drilling
https://www.instagram.com/p/BBQhlxsqxn0/
[21:44:28] <cradek> bet someone got a good deal on a set of drills
[21:45:14] <gregcnc> pretty soft to unwind like that
[21:45:53] <cradek> yes I think they forgot a step or two in the manufacturing of that drill
[21:46:18] <malcom2073> I've heard rumor that the 100+ piece chinese drill sets don't actually harden or coat the majority of drills, only the commonly used ones
[21:46:29] <enleth> I just had an excuse to run a short production batch on the bridgeport and I must say that the old Heidenhain control is even more convenient to use than I thought
[21:47:05] <cradek> haha harden the 1/4 and #7 and call it good?
[21:47:10] <enleth> A friend of a friend needed some LCD slots cut in small generic plastic cases for custom pagers so I told him I'd do that for a beer and some tooling money.
[21:47:29] <XXCoder> malcom2073: heard of that yeah doubt 100% true
[21:47:46] <enleth> We jury-rigged a holding jig for the oddly shaped cases and it went really smooth from there.
[21:47:52] <XXCoder> maybe its actually all shitty hardening not just couple good ones
[21:47:56] <malcom2073> XXCoder: Well it's on the internet, so yeah :P
[21:49:26] <XXCoder> lol
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[21:58:24] <gregcnc> proper heat treat is tough to get in China
[22:04:33] <CaptHindsight> sun hardened
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[22:13:06] <Deejay> gn8
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[22:42:36] <Sync> ssi_: *poke*
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[22:54:06] <malcom2073> CaptHindsight: "Green" manufacturing!
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[23:29:26] <PetefromTn_> http://i.imgur.com/bKEaeRc.jpg
[23:29:44] <PetefromTn_> http://i.imgur.com/NmJWDIH.jpg Almost done ;)
[23:30:02] <_methods> dayum
[23:30:06] <_methods> dats hawt
[23:30:17] <PetefromTn_> you like? ;)
[23:30:27] <_methods> put dat shit on my miata
[23:30:42] <PetefromTn_> it sure as hell is a Pain in the ass I'll tell you that LOL
[23:30:51] <PetefromTn_> Miata's RULE!! :D
[23:31:02] <_methods> like welding an octopus
[23:31:46] <PetefromTn_> yeah man I removed each runner and tig welded them individually or else the thing is impossible to weld
[23:32:32] <_methods> jesus how much were all those elbows
[23:32:47] <PetefromTn_> no idea LOL
[23:32:57] <PetefromTn_> I don't worry about little things like that :D
[23:33:14] <PetefromTn_> they are all 321 schedule 10 Stainless tho
[23:33:56] <PetefromTn_> http://i.imgur.com/bGAY4Ow.jpg
[23:34:02] <PetefromTn_> Top view heh
[23:34:45] <zeeshan|2> PetefromTn_: looks great man
[23:34:46] <_methods> looks good
[23:35:15] <PetefromTn_> zeeshan|2 I wish my welds were better tho... I am TRYING to get my skills up
[23:35:15] <andypugh> You need one of these:
https://www.youtube.com/watch?v=ot0Cxmk2aa4
[23:36:52] <_methods> hhehe
[23:36:57] <_methods> the pipe noodle
[23:37:03] <PetefromTn_> damn that is cool
[23:37:09] <PetefromTn_> put me out of a job LOL
[23:37:27] <PetefromTn_> I doubt it could do it with this thick stuff tho who knows maybe
[23:38:13] <Lowridah> wow
[23:38:20] <Lowridah> its like its pooping out a pipe
[23:38:42] <Lowridah> i used to tell people to piss up a pole but this is on a whole nother level
[23:39:20] <PetefromTn_> kinda does look like its pooping a pipe honestly LOL
[23:39:24] <_methods> hehe
[23:39:26] <cradek> I hope the actual machine plays that irritating music while it runs
[23:39:34] <_methods> i love that song
[23:39:39] <_methods> just put it on my ipod
[23:39:52] <PetefromTn_> heh
[23:40:02] <PetefromTn_> Well Mario's Pizza it is!!
[23:40:52] <_methods> i can't find a close up of that nissin nozzle anywhere
[23:41:10] <PetefromTn_> says it can do up to 1.25"
[23:41:29] <gregcnc> they can't bend tight enough for a manifold like that
[23:41:59] <andypugh> It’s basically a pipe-shaped hole in a spherical housing. The plate at the front moves up and down with immense force, dragging the spherical thing and the pipe with it
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[23:42:43] <PetefromTn_> yeah looks like the orifice floats
[23:43:02] <PetefromTn_> hehe he said orifice :D
[23:43:50] <andypugh> Some “undressed” pictures here:
http://www.neu-gmbh.de/site/en/produkte/biegen/nissin/cnc-freiform-biegemaschinen.php
[23:44:00] <_methods> i think the technical term is die lol
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[23:44:38] <_methods> http://www.thefabricator.com/article/tubepipefabrication/tube-bending-with-no-straightsr-no-problem
[23:45:05] <CaptHindsight> in case anyone else needs a VFD with closed loop Delta makes a VFD with PLC and encoder inputs
[23:45:27] <CaptHindsight> VFD-E series
http://www.deltaww.com/Products/CategoryListT1.aspx?CID=060101&PID=126&hl=en-US&Name=VFD-E%20Series
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[23:46:29] <CaptHindsight> and you also need the plug in module for the encoders the EME-PG01
[23:46:47] <CaptHindsight> http://www.delta.com.tw/product/em/drive/ac_motor/download/optional/EME-PG01_instruction_te.pdf
[23:46:51] <andypugh> PetefromTn_: A slightly different design of the machine here looks to be making tubes of about the size of yours:
http://www.neu-gmbh.de/site/en/produkte/biegen/nissin/video/video-freiform.php
[23:47:01] <CaptHindsight> http://www.wolfautomation.com/assets/15/VFD_E_MANUAL.pdf
[23:47:32] <zeeshan|2> andy too thin
[23:48:00] <zeeshan|2> wall thickness for proper turbo manifolds start .120~
[23:48:48] <zeeshan|2> id my curious to see tight bends with this machine
[23:49:03] <zeeshan|2> i am starting to see crushing
[23:49:20] <gregcnc> there is no mandrel
[23:49:26] <zeeshan|2> exactly :P
[23:49:52] <zeeshan|2> http://streetsports.com/photo/vehicle/honda-acura/civicexctr/images/exhaustcompare4.jpg
[23:49:57] <zeeshan|2> eventually you start getting that
[23:50:32] <zeeshan|2> looks great for frame members though
[23:50:36] <zeeshan|2> i want one :D
[23:51:16] <PetefromTn_> that thing is a beast
[23:51:54] <andypugh> Doing some reading, because there is no mandrel the Nissin machines need at leat 0.050” and preferably 0.100” for a 1” tube.
[23:51:56] <PetefromTn_> sure wish they had ordered pre polished stainless tube fittings for this beast tho would have saved me TONS of time...
[23:52:19] <JT-Shop> anyone got a minute to look at this page and comment mesaus.com
[23:52:40] <andypugh> zeeshan|2: So I think “too thin” might be the opposite of the problem when you get up to 4” pipe.
[23:52:54] <_methods> yeah the wall needs to be 10% of work piece diameter apparently
[23:53:19] <PetefromTn_> you could sure make some kickass downpipes and exhausts with it tho
[23:53:39] <andypugh> JT-Shop: Only one “s” in “Bus”
[23:53:50] <JT-Shop> yikes
[23:54:08] <zeeshan|2> jt looks 10x better than the current site
[23:54:10] <zeeshan|2> :)_
[23:54:10] <PetefromTn_> but the turbo manifold we are making supports the big heavy turbos and needs to be thick cast stainless parts I think or you would need to add structural supports
[23:54:13] <_methods> oh wow are you trying to make a simplified system to choose the boards you need
[23:55:02] <_methods> don't do that, not knowing what to pick made it more challenging
[23:55:13] <_methods> and you actually had to read stuff
[23:55:13] <JT-Shop> zeeshan|2: that is my online store
[23:55:21] <zeeshan|2> ah
[23:56:29] <JT-Shop> are the tool tips helpful, annoying or other?
[23:57:51] <andypugh> Useful. But I think that an exhausive list would be confusing, and an inexhaustive list risks implying that some options won’t work.
[23:58:00] <andypugh> 7i76E is missing.
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[23:58:33] <joem_> sigh, i was all ready to order a big heavy dovetail cast iron vertical mill when the guy said dont do that
[23:58:36] <joem_> its old, its slow, its heavy
[23:58:47] <joem_> put a 15k spind on a gantry made from aluminum extrusion
[23:58:59] <andypugh> Which guy?
[23:59:26] <zeeshan|2> lol
[23:59:29] <joem_> the guy who sells gantry style cnc routers as well as a cnc conversion kit for a grizzly g0704
[23:59:34] <andypugh> (And which mill were you looking at?)
[23:59:42] <joem_> ^
[23:59:56] <zeeshan|2> was his name john nyc cnc
