#linuxcnc | Logs for 2016-02-21

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[00:00:13] -!- jtdesigns01 [jtdesigns01!~quassel@2601:400:8000:34f5:230:bdff:fe71:cebd] has parted #linuxcnc
[00:03:05] <robin_sz> and heres what I did on the lathe today .. https://www.dropbox.com/sh/648yq0blpcjaedn/AACEMX5mYFkY4K79q61PKRIza?dl=0
[00:04:12] <robin_sz> flanging dies!
[00:04:37] <robin_sz> 1 set done, 2 sets to go
[00:05:44] <JT-Shop> and that's what a lathe is supposed to look like chips everywhere!
[00:06:09] <robin_sz> you can't even see the big ball of swarf hiding at the other end
[00:06:20] <JT-Shop> nice looking dies
[00:06:40] <evil_ren> robin_sz: you're the amp guy, no?
[00:06:46] <JT-Shop> one of these days I need to scrap the x on the Samson
[00:07:01] <robin_sz> evil_ren, yes
[00:07:36] <evil_ren> just checking, also nice hubcap
[00:07:38] <robin_sz> JT-Shop, I always wanted a lathe in the shed, I have done so many little projects on it
[00:07:57] <robin_sz> lol hubcap
[00:08:15] <evil_ren> dinner plate?
[00:08:28] <robin_sz> set of 115mm flanging dies
[00:08:48] <evil_ren> stomps flanges into pipe ends?
[00:08:52] <robin_sz> put a piece of ally with a 115mm hole in it between then
[00:09:09] <robin_sz> and it stomps a 45 degree flange into it
[00:10:19] <robin_sz> err
[00:10:21] <robin_sz> like so
[00:10:22] <robin_sz> http://www.kitlog.com/photos/project_221/full/FP21112008A0001L.jpg
[00:10:29] <robin_sz> thats not my picture btw
[00:11:07] <robin_sz> that guy had tried it out pf plywood
[00:11:09] <evil_ren> thats pretty cool
[00:11:30] <malcom2073> ssi was talking about making dies for that a while back I believe
[00:12:00] <robin_sz> I just got some 30mm plate flamecut and set about it with the lath
[00:14:01] <robin_sz> man, the swarf was horrible
[00:14:09] <robin_sz> it simply did not chip
[00:14:19] <robin_sz> one long piece
[00:14:24] <robin_sz> razor sharp
[00:15:44] <robin_sz> I have a huge ball of razor sharp swarf to dispose of tomorrow
[00:17:48] <Crom> My lathe is a chatter box... really need to tighten up the gibs and oil the hell out of it. and get some real way oil
[00:18:27] <Crom> head stock is plain bearing, so I really need some way oil
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[00:24:25] <robin_sz> this one could do with the ways on the crossslide scraping
[00:24:47] <robin_sz> if I tighten the gibs in the middle, it is too stiff at either end
[00:25:09] <robin_sz> the main ways are fine though, not a gib in sight
[00:27:42] <Crom> compound and crossslide could do a bit of work
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[00:28:09] <Crom> LTS 14.04 desktop suxs, installing KDE
[00:28:33] <malcom2073> Unity ftl
[00:35:31] <XXCoder> unity faster than light
[00:35:53] <XXCoder> seriously its xfce for me.
[00:36:01] <XXCoder> unity is the worse of all uis I tried
[00:36:22] <malcom2073> for the lose heh
[00:36:30] <malcom2073> I can't stand it, so many things about it just break my workflow
[00:36:35] <malcom2073> I use gnome 2 uusally
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[01:40:13] <PetefromTn_> Man do I ever hate laying tile.... ;)
[01:41:16] <XXCoder> tile over it!
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[01:49:07] <PetefromTn_> I did LOL
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[01:51:12] <XXCoder> lol
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[05:38:17] <zeeshan> quiet in here :P
[05:42:47] <XXCoder> BOO
[05:44:01] <zeeshan> :P
[05:44:55] <zeeshan> https://www.youtube.com/watch?v=70rd9fK-UGg
[05:45:04] <zeeshan> anyway to make the motion a bit smoother?
[05:45:11] <zeeshan> what is g64 set to normally?
[05:45:15] <zeeshan> in 2.7
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[05:50:13] <XXCoder> looking
[05:50:28] <XXCoder> there is 2 path planning modes
[05:50:39] <XXCoder> forgot G numbers
[05:50:45] <XXCoder> point to point and smoothing
[05:50:59] <zeeshan> it definitely looks like point to point is turned on
[05:51:08] <zeeshan> you really notice it during the rapids
[05:51:21] <XXCoder> point to point is great for sharp corners
[05:51:44] <XXCoder> there is also linuxcnc setting on how "flexiable" you want it to be
[05:51:49] <XXCoder> like .001 or whatever
[05:52:51] <XXCoder> gloves tsk
[05:54:22] <zeeshan> :)
[05:57:00] <XXCoder> g61 and 64
[05:57:12] <XXCoder> g64 is constant velcocity
[05:57:21] <XXCoder> g61 is exact stop mode
[05:57:40] <XXCoder> 61 is good for sharp corners while 64 is great for curves
[05:58:02] <XXCoder> though I do recall some setting in linuxcnc for g64
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[05:58:36] <zeeshan> hm
[05:59:21] <XXCoder> oh
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[05:59:23] <XXCoder> G64 P0.015 (set path following to be within 0.015 of the actual path)
[05:59:33] <XXCoder> apparently I was wrong
[05:59:42] * zeeshan reads
[05:59:46] <zeeshan> n goes to bed
[05:59:46] <zeeshan> thanks :D
[05:59:55] <XXCoder> np enjoy bed
[06:04:20] <yasnak> man
[06:04:34] <yasnak> i'm so lazy today
[06:10:58] <robin_sz> why did my cat have to go and wake me up?
[06:12:45] <evil_ren> cats dont need reasons
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[06:31:59] <Crom> cats are the reason
[06:33:28] <Crom> OK my Jacobs 6A chuck from around 1934ish finally has an arbor! mt2-jt2 tanged
[06:33:35] <XXCoder> cats is reason cats exists.
[06:34:10] <Crom> nice 1/2" chuck holds down to tiny bits
[06:34:29] <Crom> My 33C only goes does to 3/64's
[06:34:41] <Crom> s/does/down/
[06:36:15] <Crom> 6a holds a #72
[06:36:24] <Crom> 0.025"
[06:41:50] <mow> I feel lazy every day
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[07:35:15] <yasnak> Yeah had same issue here, ended up just turning the threaded end of a tiny mini chuck that wasn't for my kent and stuck it in a collet. Otherwise I never run anything less than 1/8 shank as we have hsc
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[07:57:21] <Deejay> moin
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[10:56:19] <Spida> http://www.rtmlk.com/2016/02/09/conflagration/ <- cnc machine lab of my university :-(
[10:56:30] <Spida> (not my pictures)
[10:57:24] <archivist> does not work on my browser
[10:58:51] <__rob> how much better is a carbide chucking reamer likely to be vs HSS ?
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[10:58:59] <__rob> the price is like £20 vs £120
[10:59:13] <XXCoder> Spida: interesting. in my region it is illegal to go to place on fire
[10:59:33] <__rob> for alumninium*
[11:01:30] <XXCoder> Spida: basically, anti-gawker law
[11:01:45] <archivist> __rob, is this a hobby?
[11:02:38] <__rob> well, sort of
[11:04:48] <__rob> its not for someone
[11:05:24] <archivist> go into cromwell tools and get an hss one for cash
[11:08:31] <archivist> their online prices are silly
[11:10:04] <archivist> here is another supplier http://www.mscdirect.co.uk/cgi/insrhm
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[11:10:48] <archivist> that last one is where I last got a reamer from
[11:11:03] <archivist> when it was still called J&L
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[11:37:32] <__rob> great, thanks
[11:37:42] <__rob> the HSS ones will be good enough i'm sure
[11:38:23] <__rob> think i'll spot, drill, spot, drill for each layer, then ream the lot, without moving x,y
[11:38:29] <__rob> should be perfect
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[11:55:21] <SpeedEvil> Spida: yeah - never good when you can see a fire in the distance in the skyline and there's stuff you care about below
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[12:50:16] <yasnak> _rob: honestly, how many times will you need the reamer is the first question to ask.
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[12:57:20] <__rob> yea, well its £20 from mscdirect, cheaper than a boring head
[12:58:40] <__rob> not so encouraging that their website spells energy efficient as "Emergy Effcient"
[12:59:14] <__rob> but prob not that often but still nice to have
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[13:19:09] <archivist> probably printed on an Epsom printer :)
[13:20:18] <archivist> hehe 36 listings with the incorrect spelling on ebay
[13:20:57] <archivist> one idiot is putting epson epsom
[13:21:38] <malcom2073> That's not an idiot, he's catching people who misspell
[13:21:46] <malcom2073> He's selling to idiots :P
[13:22:39] <Jymmm> malcom2073: Did you just click BUY NOW by chance? ;)
[13:23:11] <malcom2073> Hah, I don't buy printers that use unobtanium to print :P
[13:23:20] <Jymmm> hahaha
[13:23:59] <archivist> malcom2073, he is an idiot because the ebay search engine fixes the search anyway
[13:24:12] <malcom2073> Eh? That's new, it didn't used to
[13:24:18] <malcom2073> At least as of a couple years ago when I used to sell stuff heh
[13:24:24] <archivist> had to use "" to find the miss spellings
[13:24:33] <Jymmm> It's kinda sad... I buy BRAND NEW $50-$60 laser printers and when the "trial" toner goes empty, I just buy another printer instead of a $79 toner cartridge.
[13:25:54] <malcom2073> Heh. I bought a used bigger office laser printer and have been using that
[13:26:09] <malcom2073> the toners are like $80 each, but so far I've only run out once this year, and only of one color. My wife prints a LOT of stuff
[13:26:23] <malcom2073> erm, once in the *past* year
[13:26:45] <Jymmm> malcom2073: what does she do with the printouts?
[13:28:12] <malcom2073> Jymmm: kid stuff, school stull, all sorts of stuff
[13:28:14] <malcom2073> apparently
[13:28:19] <malcom2073> (I just asked her that haha)
[13:28:21] <Jymmm> ah
[13:28:36] <Jymmm> lol
[13:29:32] <Jymmm> I worked at one company (as IT) and the accounting dept would print THREE of everything, emails, invoices, etc... 1) file copy, 2) office copy, and 3) archive copy.
[13:30:02] <Jymmm> they would go thru 4 CASES of paper each day
[13:30:06] <malcom2073> Ew
[13:30:20] <Jymmm> Had 6 printers setup and there was a waiting line
[13:30:38] <Jymmm> there were only 8-12 ppl in the dept.
[13:31:07] <Jymmm> tables were STACKED with printouts every day
[13:31:18] <Sync> wtf
[13:31:23] <malcom2073> That's awesome
[13:31:56] <Jymmm> Until you have 6 ladies calling you that they can't print all at the same time
[13:32:01] <Sync> none of which is really needed
[13:32:55] <archivist> I had printers off the back of serial terminals printing out delivery/invoice/whatever
[13:32:59] <Jymmm> It was a japanese based company, totally different culture.
[13:33:24] <SpeedEvil> Jymmm: how long did they store the archive paper?
[13:33:52] <Jymmm> SpeedEvil: NFC, I just knew they had an offsite storage somewhere.
[13:35:35] <Jymmm> SpeedEvil: My responsability ended when it left the printer =)
[13:37:54] <yasnak> anyone use backblaze or backup?
[13:38:02] <yasnak> *for
[13:38:19] <Jymmm> But we had an obscene budget to play with and bought lots of toys =)
[13:40:22] <malcom2073> Gotta love that
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[15:55:03] <tiwake> roycroft: https://eugene.craigslist.org/pts/5434889250.html
[15:57:42] <zeeshan> hi
[15:58:37] <pink_vampire> hi
[15:58:58] <tiwake> zeeshan: got a mustang :P
[15:59:01] <tiwake> yesterday
[15:59:04] <zeeshan> did anyone get a chance to see my machining video and possibly tell me how to fix the jerkiness?
[15:59:05] <zeeshan> https://www.youtube.com/watch?v=70rd9fK-UGg
[15:59:06] <pink_vampire> 26
[15:59:08] <zeeshan> tiwake nice
[15:59:16] <zeeshan> which year
[15:59:37] <tiwake> 1998
[15:59:42] <zeeshan> nice :P
[15:59:44] <tiwake> its just a base v6
[15:59:44] <zeeshan> 5.0L?
[15:59:46] <zeeshan> AW:{
[15:59:48] <tiwake> 150hp
[15:59:51] <tiwake> buuuuut
[16:00:01] <tiwake> my friend has a motor he is going to give me
[16:00:10] <tiwake> to beef it up into a GT
[16:00:31] <zeeshan> :)
[16:00:49] <t12> that is a sweet machine zeeshan
[16:01:02] <zeeshan> t12 thanks :D
[16:01:10] <zeeshan> i really want to fix that jerkiness
[16:01:22] <zeeshan> i know its something to do with the trajectory planner settings
[16:02:17] <Erant> zeeshan: What are you powering the mister off?
[16:02:28] <zeeshan> air
[16:02:28] <t12> which jerkyness
[16:02:36] <t12> the varying speed when doing the series of cuts on the left
[16:02:38] <zeeshan> lemme show video at the portion
[16:02:42] <zeeshan> where i think it could be better
[16:03:02] <zeeshan> look at 3:55
[16:03:04] <zeeshan> when the tool returns back
[16:03:11] <zeeshan> it slows down around the corners
[16:03:13] <Erant> zeeshan: I got the air part. I meant more, what kind of compressor.
[16:03:33] <zeeshan> erant its a 18 scfm compressor
[16:03:36] <zeeshan> but you dont need that
[16:03:42] <zeeshan> you can do it off a pancake style
[16:03:46] <zeeshan> it doesnt use much air
[16:04:02] <zeeshan> to give you an idea , my tank is a 60 gallon, if its fully charged at 120psi
[16:04:13] <t12> still dont really see it
[16:04:16] <t12> unless you mean the rapids?
[16:04:18] <Erant> k, which one do you have? China special, or a koolmist or whatever?
[16:04:20] <zeeshan> and i turn off the pump, i can run the mister for 50 mins
[16:04:29] <zeeshan> noga minicool that has been modified
[16:04:29] <Erant> t12: There's a slow-down when it goes around the corner
[16:04:33] <zeeshan> t12 yes in the rapids
[16:04:40] -!- ibaca has quit [Ping timeout: 264 seconds]
[16:04:46] <Erant> Because it's two combined axes
[16:04:54] <t12> what would you prefer the trajectory to be
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[16:05:02] <Erant> And I think it might go speed-X + speed-Y = speed
[16:05:02] <zeeshan> maintain feedrate
[16:05:04] <zeeshan> around those corners
[16:05:05] <t12> that just looks like rapid accel limiting?
[16:05:13] <t12> the slow feedrate?
[16:05:41] <zeeshan> i mean i am happy with it
[16:05:44] <zeeshan> but if i can improve it
[16:05:46] <zeeshan> it'd be nicer
[16:05:52] <zeeshan> i plan to run only hsm paths in the future
[16:05:58] <t12> i guess i'm asking what the improvement goal is
[16:06:09] <zeeshan> t12 itd be faster
[16:06:11] <zeeshan> and less jerky
[16:06:13] <Erant> t12: Do you notice how it slows down as it prepares to enter the turn?
[16:06:22] <t12> is this hsm paths
[16:06:26] <zeeshan> yes
[16:06:37] <Erant> Right around like 3:43
[16:06:44] <t12> i think thats all adjustable in leadin parameters?
[16:06:53] <zeeshan> no
[16:07:06] <zeeshan> it could be actually
[16:07:14] <zeeshan> but i didnt see anything obvious inthe g-code, wasnt looking there
[16:07:29] <zeeshan> cause its happening during changes of direction only
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[16:07:39] <Tom_itx> zeeshan fix your pid loop
[16:07:59] <Erant> zeeshan: Is this G0 or G1?
[16:07:59] -!- jacob| has quit [Ping timeout: 240 seconds]
[16:08:05] <zeeshan> erant g1
[16:08:09] <Tom_itx> g1
[16:08:20] <zeeshan> mastercam for some reason likes to do backfeeds are g1
[16:08:28] <zeeshan> maybe cause it doesnt want to overshoot into a wall?
[16:08:38] <zeeshan> http://i.imgur.com/akA0vq9.png
[16:08:41] <zeeshan> this is what the tool path looks like
[16:08:43] <zeeshan> for a similar part
[16:08:44] <Erant> And the feed is set once?
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[16:08:59] <zeeshan> no
[16:09:08] <zeeshan> cutting feedrate is set to 43ipm
[16:09:12] <PetefromTn_> zeeshan was that done in Mastrcam?
[16:09:12] <Erant> Or is doing a G2/3 around the corner with a different feed?
[16:09:14] <pink_vampire> what is that part?
[16:09:50] <zeeshan> and when it does the back feedrate, it lifts the tool up by 0.010" and back feeds at what rate you specify, usually for me this is 200 ipm
[16:09:54] <zeeshan> pete yes
[16:10:00] <zeeshan> Erant: lemme check
[16:10:31] <PetefromTn_> that is typical in my experience and it does it on HAAS machines or whatever. I think it is something in the parameters of Mastercam I am sure there is a way to fix it but I had the same thing
[16:10:47] <t12> i think with hsm
[16:10:49] <t12> buried somewhere
[16:10:54] <t12> is a python script that actually writes the gcode
[16:10:56] <t12> for a given machine
[16:12:45] <t12> from there i think you can work out exactly how it interpertes
[16:13:21] <t12> the .cps files I think?
[16:13:38] <t12> maybe its not python
[16:13:49] <zeeshan> N40 X-.8288 Y-.8641 F43. , then it does like many lines of xy moves, then it reaches the backfeed and does N6400 G3 X1.9834 Y1.608 I-.0689 J.0487 F200. and then it does a bunch of xy moves lines until the next cutting move
[16:14:03] <zeeshan> so its not changing feedrate at corners
[16:14:09] <t12> is this all adaptive clearing?
[16:14:13] <zeeshan> ya
[16:14:19] <t12> linuxcnc?
[16:14:22] <zeeshan> ya
[16:14:32] <zeeshan> how dare you ask me if im running anything but linuxcnc
[16:14:36] <zeeshan> :)
[16:14:38] <t12> is it bogging the gcode interperter
[16:14:48] <Erant> zeeshan: Huh. If it's F200, then that sounds like a LinuxCNC problem for sure.
[16:14:50] <t12> hsm adaptice clearing on too high of a resolution
[16:14:58] <t12> will spam ALOT of tiny moves in curves
[16:15:08] <t12> i've seen it get weird from bottlenecks in mach3 at least
[16:15:21] <Erant> That wouldn't be the case here, it's not actually machining
[16:15:35] <t12> sorry for my bad spelling
[16:15:45] <Erant> Just rapid-ing. And especially the G3 should be fine.
[16:15:45] <archivist> version of linuxcnc?
[16:15:50] <zeeshan> 2.7.3
[16:16:57] <t12> http://www.hsmworks.com/docs/hsmworks/2013/en/#StrategyAdaptive3D passes section
[16:17:04] <PetefromTn_> sometimes if you do NOT select keep tool down it will avoid some of that... but there are a lot of options you can play with in Mastercam to help fix it.
[16:17:18] <zeeshan> like what
[16:17:21] <zeeshan> i dont see any options
[16:17:39] -!- aventtini6 has quit [Ping timeout: 248 seconds]
[16:17:40] <t12> somehow i missed that this is mastercam sorry
[16:17:54] <PetefromTn_> I have no idea what you are looking at I am just speaking in general about mastercam...
[16:18:00] <zeeshan> its doing it around corners
[16:18:02] <zeeshan> in between moves
[16:18:06] <zeeshan> without changing z height
[16:18:07] <Tom_itx> zeeshan does this movement show up in the gcode file?
[16:18:11] <PetefromTn_> I did not get tons of time to play with it
[16:18:33] <Tom_itx> start there and work your way to the pid loop
[16:18:43] <zeeshan> its not there in the g-code
[16:18:46] <zeeshan> but i did find one mistake i made
[16:18:54] <zeeshan> which can be part of the reason, but not the entir reason
[16:19:02] <Tom_itx> if it's not in the gcode, it's in the machine
[16:19:13] <zeeshan> when it does the microlift of .010, it needs to plunge back down 0.010, but the plunge feedrate is set to 5 ipm
[16:19:19] <zeeshan> so it suddenly wants to slow from 200 to 5 ipm
[16:19:29] <zeeshan> wait lemme check if thats the case in the gcode
[16:20:06] <Tom_itx> maybe the TP isn't handling that sudden change in feed right
[16:20:12] <zeeshan> NM
[16:20:24] <zeeshan> that plunge feedrate only affects the very first plunge
[16:20:24] <zeeshan> thats it
[16:20:25] <PetefromTn_> Tom_itx like I said earlier I experienced almost the exact same behaviour in many programs on Haas mills
[16:20:46] <Tom_itx> i'd certainly look at the post then
[16:20:55] <zeeshan> to me this seems like
[16:21:01] <zeeshan> i have point to point path blending enabled
[16:21:42] <t12> post the gcode?
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[16:23:21] <zeeshan> gimme a min
[16:23:30] <zeeshan> pasting the gcode in my browser crashed it
[16:23:31] <zeeshan> haha
[16:23:34] <t12> lol
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[16:24:37] <zeeshan> https://www.dropbox.com/s/qq0uqg06syysx9o/thedrip_caliper_side_facing.ngc?dl=0
[16:24:39] <zeeshan> itll have to be a dl
[16:24:40] <zeeshan> =/
[16:27:43] * Tom_itx declines the offer
[16:31:57] <Roguish> zeeshan. what's 'backfeed'
[16:32:14] <zeeshan> the tool lifts 0.010 in z
[16:32:22] <Roguish> why
[16:32:28] <zeeshan> so its not rubing
[16:32:34] <zeeshan> and returns back to the original spot
[16:32:58] <Roguish> ok, not sure why it would do that, but, ok
[16:33:06] <zeeshan> imagine this
[16:33:08] <zeeshan> you just cut a slot
[16:33:34] <zeeshan> thats slightly wider than your tool..
[16:33:46] <zeeshan> how would you return to the beginning of the slot in the shortest amount of time?
[16:33:54] <zeeshan> without rubbing the tool against the slot walls and slot floor?
[16:34:04] <Roguish> ok, i get it now. thanks
[16:34:15] <zeeshan> there is always deflection so you want to clear at least a couple thou
[16:35:05] <Loetmichel> MAAAAN why is it always on sundays? Washing machine is just tumbling/pumping the grey water out... *UUUUUUUOOOOOOOUOUOUUOUOUOUOUOUOOOOOOOOO* The shaft of the grey water pump rattles about in the worn bearing... where do i get a new pump now?
[16:35:06] <Roguish> r u running mastercam?
[16:35:16] <zeeshan> ya
[16:35:35] <Roguish> what version? what post?
[16:35:46] <zeeshan> x8
[16:35:47] <zeeshan> custom post
[16:35:52] <Roguish> for lcnc?
[16:35:55] <zeeshan> ya
[16:36:12] <zeeshan> i still have a small bug in it where it posts subroutines after the main code
[16:36:31] <zeeshan> and 0 feed error when doing multiple drill holes using subroutines
[16:36:40] <zeeshan> but those are the only ones i know that i ened to fix when i get some time
[16:37:38] <Roguish> i've modified a post for X5, but never ventured near the subroutines.
[16:37:53] <zeeshan> the post is poorly setup
[16:37:56] <zeeshan> when you compare it with hsmworks
[16:38:23] <Roguish> figures. mastercam is old, probably carries lots of baggage.
[16:39:54] <zeeshan> id like to try hsmworks
[16:39:56] <zeeshan> but $
[16:40:23] <zeeshan> in my opinion hsmworks is better :P
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[16:42:57] <zeeshan> the problem with mastercam is it covers all types of machines
[16:43:03] <zeeshan> so it is pretty complex to use and setup
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[16:45:42] <t12> hsmxpress is decent for flat stuff
[16:46:08] <zeeshan> i usually send flat stuff out for laser cutting
[16:46:09] <zeeshan> lol
[16:46:11] <zeeshan> not worth machining!
[16:46:22] <t12> by flat i mean not doing curves in Z mainly
[16:46:24] <zeeshan> ill finish machine here if its got a crazy tolerance hole
[16:46:27] <zeeshan> o
[16:52:01] <zeeshan> PetefromTn_: youve done thread milling?
[16:53:07] <PetefromTn_> yeah I have
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[16:53:29] <zeeshan> if i want to make 1/4-20 holes , m6x1 and larger
[16:53:39] <zeeshan> which single point thread mill would you recommend?
[16:53:47] <zeeshan> im really thinking of keeping one dedicating tool for thread milling
[16:53:51] <PetefromTn_> I have asked the same question
[16:53:54] <zeeshan> cause it avoids setting up rigid tap
[16:53:56] <zeeshan> hehe
[16:53:59] <PetefromTn_> the ones we used in the shops
[16:54:05] <PetefromTn_> were the insert type
[16:54:12] <PetefromTn_> multi tooth threaforming mills
[16:54:24] <PetefromTn_> but they did have a single flute one
[16:54:33] <PetefromTn_> and used it for a lot of threads.
[16:54:41] <PetefromTn_> I know lakeshore carbide has some
[16:54:55] <Erant> zeeshan: Why don't you want rigid tapping?
[16:55:06] <zeeshan> Erant: less tools to keep ready
[16:55:08] <PetefromTn_> for 1/4-20
[16:55:20] <PetefromTn_> you are better off just tapping most likely
[16:55:23] <zeeshan> erant i have only 1 tap holder , so it means i have to set it up for whatever tap im using
[16:55:26] <Erant> They're so expensive though.
[16:55:28] <zeeshan> usually its set for 1/4-20
[16:55:34] <Erant> Ah, fair enough.
[16:55:48] <Erant> I was just going to get collets.
[16:55:49] <zeeshan> if i could have another tool that always holds a single point thread mill, even though its slower
[16:56:00] <zeeshan> i know i can call up thread milling in the software and use this tool every time
[16:56:06] <zeeshan> for almost any possible thread
[16:56:31] <zeeshan> Erant: you should still have about .015 thou float at least in the axial direction
[16:56:33] <zeeshan> for rigid tapping
[16:57:01] <Erant> I heard that, extends tool-life.
[16:57:34] -!- jacob| has quit [Ping timeout: 240 seconds]
[16:58:17] <Erant> I just wanted better control of my spindle, and I happen to get position control out of it.
[16:59:23] <PetefromTn_> https://www.maritool.com/Cutting-Tools-Thread-Mills-Single-Thread-Forms/c78_135_381/index.html
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[17:00:35] <zeeshan> not sure which one to go with :D
[17:00:52] <Erant> Huh. That's a bunch cheaper than I remember them being
[17:01:00] <PetefromTn_> those are reasonably priced I think..
[17:01:02] <Tom_itx> zeeshan ever try fusion 360?
[17:01:18] <zeeshan> Tom_itx: nop
[17:01:20] <zeeshan> looks garbage
[17:01:25] <Tom_itx> it's free
[17:01:40] <Tom_itx> i'm kinda anxious to see catia's post
[17:01:45] <Tom_itx> but i'm not there yet
[17:01:51] <zeeshan> learning it isnt free
[17:01:53] <zeeshan> takes time :P
[17:01:55] <PetefromTn_> seems like the .240 dia one would be good
[17:02:08] <Tom_itx> not worth the effort?
[17:02:11] <PetefromTn_> .625 max depth
[17:02:23] <Tom_itx> that .010 lift shouldn't be happening unless you tell it to
[17:03:04] <aventtini6> zee first test run
[17:03:05] <aventtini6> https://www.youtube.com/watch?v=i7U1iJhtDdI
[17:03:08] <aventtini6> :)))
[17:03:21] <zeeshan> Tom_itx: i am telling it to!
[17:03:41] <zeeshan> aventtini6: holy cow thats a big part
[17:03:42] <zeeshan> :D
[17:03:47] <Tom_itx> wtf for?
[17:03:52] <zeeshan> so it doesnt rub
[17:03:52] <Tom_itx> you don't need it there
[17:04:00] <zeeshan> thats how basic adaptive clearing tool paths work
[17:04:03] <zeeshan> they always lift on the back stroke
[17:04:32] <aventtini6> yap
[17:04:34] <PetefromTn_> mastercam has some pretty impressive clearing toolpaths...
[17:04:39] <aventtini6> i have a biger one
[17:04:40] <Erant> PetefromTn_: The .120 would allow you to do #8 and #10 threads...
[17:04:42] <aventtini6> 750 kg
[17:04:42] <Tom_itx> wtf with the rubber gloves?
[17:05:00] <PetefromTn_> Erant as I said before I would just tap holes that small
[17:05:49] <zeeshan> yea i need only m6 and above
[17:05:54] <Tom_itx> zeeshan, so it moves away in x or y and also lifts?
[17:06:01] <Erant> Yeah, .33" deep isn't very deep at all
[17:06:04] <PetefromTn_> for milling holes larger than say 3/8 or so need a lot of spindle torque to rigid tap so thread milling comes into its own there IMHO
[17:06:12] <Erant> Be good for blind holes, I guess.
[17:06:56] <zeeshan> tom it moves away from the walls also
[17:07:32] <Tom_itx> looks like your mister is working good
[17:07:50] <aventtini6> i need to cut all the way down
[17:07:52] <aventtini6> :)))
[17:08:25] <aventtini6> i have for sale a 4 axis if some one wants
[17:08:31] <zeeshan> the mister is garbage
[17:08:32] <Tom_itx> hah, a mastercam training video pops up after yours https://www.youtube.com/watch?v=YuNuB2IT2Ww
[17:08:34] <aventtini6> 1000mm diameter
[17:08:36] <zeeshan> with that md7 bullshit in it
[17:08:40] <zeeshan> or whatever that overly expensive oil is
[17:08:51] <zeeshan> mister is good, but lubricant is garbage
[17:08:55] <zeeshan> it provides no cooling at all
[17:09:28] <PetefromTn_> Here's a stupid question for you home improvement guys
[17:09:45] <PetefromTn_> I just laid down tile in my downstairs bathroom and into the laundry room
[17:09:52] <PetefromTn_> and I got a brand new toilet I need to install
[17:10:03] <PetefromTn_> I am putting in the new flange for the drain
[17:10:26] <PetefromTn_> would you typically grout all the tile BEFORE you set the toilet or after?
[17:10:35] <Tom_itx> before
[17:10:37] <Tom_itx> for sure
[17:10:40] <PetefromTn_> why?
[17:10:44] <Tom_itx> then it's sealed
[17:10:57] <Erant> Can't grout underneath the toilet...
[17:10:57] <PetefromTn_> what is sealed?
[17:11:03] <Tom_itx> ^^
[17:11:32] <Erant> And if there's no grout, water can get in there.
[17:11:35] <Erant> And bad shit happens.
[17:11:37] <PetefromTn_> I realize you can't grout under the toilet but I figured it would not matter really..
[17:11:47] <PetefromTn_> grout is NOT waterproof
[17:11:47] <Tom_itx> invariably moisture will be under the toilet
[17:12:03] <Tom_itx> and creepy stuff will grow in the cracks
[17:12:14] <Tom_itx> no but it's better than nothing
[17:12:17] <PetefromTn_> that is probably true
[17:12:20] <Tom_itx> and you can get a sealer for it
[17:12:23] <Tom_itx> i used it
[17:12:27] <PetefromTn_> yeah I bought the sealer
[17:12:38] <Tom_itx> doubt it works all that well
[17:13:01] -!- txp has quit [Ping timeout: 255 seconds]
[17:13:10] <Tom_itx> besides you'll have one less thing to grout around
[17:13:42] <PetefromTn_> heh I figured I would have one less area to grout if I did it after I set the toilet
[17:13:59] <Erant> I wonder how well this works for hardening shit: http://www.banggood.com/5V-12V-ZVS-Induction-Heating-Power-Supply-Module-With-Coil-p-1015637.html?utm_source=google&utm_medium=cpc&utm_campaign=Celc-ad-rm-DM-ZVSHeat&utm_content=hazel&utm_design=25&gclid=CNOgivSricsCFQYIaQod44gOzQ
[17:14:13] <zeeshan> erant thats cheap
[17:14:13] <zeeshan> lol
[17:14:38] <Erant> Seems to get stuff to red-hot. Pulls about 100W
[17:14:42] <Tom_itx> PetefromTn_, especially in humid Tn
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[17:16:02] <PetefromTn_> humid TN?
[17:16:02] <Tom_itx> kinda small
[17:16:11] <Tom_itx> yeah even worse in Fl
[17:16:35] <PetefromTn_> we do get some humidity during the height of the summer but I never considered this place Humid really..
[17:17:01] <yasnak> whos from florida?
[17:17:16] <PetefromTn_> define From
[17:17:24] <yasnak> haha, okay who was relocated
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[17:17:42] <PetefromTn_> I lived and grew up in Florida
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[17:17:55] <PetefromTn_> have lived here in tennessee for 15 years or so
[17:18:07] <PetefromTn_> now sold my home and am currently working on moving BACK to Florida
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[17:19:07] <Tom_itx> you got a job lined up there?
[17:19:25] <PetefromTn_> not yet
[17:19:31] <PetefromTn_> my wife already has a job there
[17:19:44] <PetefromTn_> working for the same people she worked for when we lived there
[17:20:14] <PetefromTn_> there do seem to be quite a few possibilities for me tho including several cool race shops and not a small amount of custom cabinet shops...
[17:20:47] <zeeshan> man this cant be right
[17:21:06] <zeeshan> fswizard is saying 0.003" ipt 250 sfm for machining 304
[17:21:09] <zeeshan> thats 31 ipm
[17:21:10] <PetefromTn_> I am more concerned with getting into a house and getting my machines back up so I can continue my business down there as well as getting my house updates finished and my household goods packed up.
[17:21:34] <Tom_itx> zeeshan keeps it moving so it won't work harden
[17:21:44] <Tom_itx> that's what kills it
[17:21:48] <zeeshan> hm
[17:21:55] <zeeshan> i really gotta play with ss more often
[17:21:59] <zeeshan> a lot of shops machine it no problem
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[17:22:16] <Tom_itx> it's all in figuring out the feeds
[17:24:21] <Tom_itx> zeeshan, working my way thru that list of dwgs
[17:24:40] <yasnak> 250 sfm?
[17:24:47] <yasnak> what kind of em?
[17:24:49] <zeeshan> Tom_itx: cad nerd
[17:24:55] <zeeshan> yasnak tialn carbide
[17:25:00] <Tom_itx> not much else to do here
[17:25:19] <yasnak> what kind of form are you milling and dia of em?
[17:25:37] <yasnak> 304 sucks but with the right speeds/feeds its not bad
[17:25:48] <yasnak> just really gummy and workhardens so fast
[17:26:20] <zeeshan> yasnak: not machining anything specific
[17:26:22] <zeeshan> general talk
[17:26:28] <yasnak> ah
[17:26:29] <zeeshan> actually another thing, i always hear people saying 4 flute is no good in al
[17:26:32] <yasnak> yeah 250 seems a bit fast
[17:26:35] <zeeshan> but is that really true?
[17:26:42] <yasnak> depends on the size of em
[17:26:48] <yasnak> need room for chips to get loose
[17:26:50] <zeeshan> my experience with 4 flute without any lubrication for al has been instant snapped end mill
[17:26:55] <zeeshan> 3/8
[17:27:01] <Tom_itx> zeeshan they say that because of the high chiploads and no room to evacuate them
[17:27:15] <zeeshan> ive also snapped a 3 fluter
[17:27:17] <yasnak> how are you cutting it? slots? side?
[17:27:26] <zeeshan> id like to only do hsm tool paths
[17:27:28] <Tom_itx> i like 2 for Al
[17:27:36] <yasnak> yeah i use 2ft
[17:27:44] <zeeshan> mari recommends 3 flut
[17:27:50] <yasnak> or insert mills with sharp as hell inserts
[17:27:55] <Tom_itx> i don't like 3 for much of anything
[17:28:24] <Tom_itx> A: you can't put a mic on em
[17:28:31] <Tom_itx> B: you can't put a mic on them
[17:28:35] <yasnak> but i run 2ft and 4ft. 2ft for al just for chip evacuation. 4ft for stainless.
[17:28:44] <yasnak> sure ya can, v-mic
[17:28:53] <Tom_itx> if you have one
[17:28:58] <yasnak> oh, my bad
[17:29:03] <Tom_itx> heh
[17:29:09] <Tom_itx> could cmm it
[17:29:19] <Tom_itx> but that's kinda overkill
[17:29:27] <zeeshan> if i use 3 flute, i can .625doc, .075 woc, 3100 rpm (spindle limited) and 58 ipm
[17:29:37] <zeeshan> would be nice..
[17:29:46] <yasnak> i just see no use and since 2,4 are standard there is a cost faster involved when we blow 50 pounds of carbide a month
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[17:30:13] <zeeshan> i need a 6000 rpm spindle
[17:30:15] * zeeshan looks at pete
[17:32:29] <yasnak> i run our 0.375 4ft ems in al @ 14500 rpm (15k 40taper) w/0.1 stepover and full depth of cut
[17:32:58] <yasnak> comes out around 600 sfm but thats with fully hsm paths
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[17:38:27] <Tom_itx> yasnak, do you bother to sharpen the carbide em?
[17:39:07] <Tom_itx> at that point it's almost better to use insert cutters
[17:39:33] <yasnak> if they are used on just the tips then yeah, we've got a rollomatic i run them in. do that whenever we have a huge amount of one kind (mainly 0.5+)
[17:39:56] <zeeshan> yasnak: for al?
[17:39:59] <zeeshan> nice
[17:40:01] <yasnak> but I personally, unless its some expensive custom tool, do not regrid od's as it fucks everyone up on the machines
[17:41:13] <MrSunshine> https://scontent-ams2-1.xx.fbcdn.net/hphotos-xpf1/v/t34.0-12/12767270_10153932919168648_363503297_n.jpg?oh=367106fc7d6d3e07941b49374f3a7efb&oe=56CCCAA0 delidded my first cpu! .. or its the 3rd .. the other two broke :P
[17:41:15] <zeeshan> i love watching chips fly :p
[17:41:31] <zeeshan> when you file some steel by hand
[17:41:32] <Tom_itx> don't watch too close
[17:41:37] <zeeshan> you really appreciate chips flying
[17:41:38] <zeeshan> :D
[17:42:02] <zeeshan> https://www.youtube.com/watch?v=6mlxRMz7qw4
[17:42:04] <zeeshan> lets rock on
[17:44:36] <Erant> 'bout to make some HDPE fly. God that stuff machines.
[17:44:45] <zeeshan> haha
[17:45:04] <Tom_itx> rates right there with machinable wax
[17:45:34] <zeeshan> i really regret doing my masters in metal forming
[17:45:41] <zeeshan> im more interested in machining :/
[17:45:42] <Tom_itx> why?
[17:45:54] <Tom_itx> go back and do it over
[17:45:57] <zeeshan> i took courses in machining
[17:46:03] <zeeshan> i liked it a lot more :P
[17:46:10] <zeeshan> cant, im almost half way thru
[17:46:19] <yasnak> metal forming might get you in the door faster
[17:46:20] <Tom_itx> i'd love to see the metal printer they have at the skool
[17:46:25] <yasnak> you can learn machining on the job
[17:46:27] <zeeshan> yasnak: i already work full time
[17:46:28] <zeeshan> :P
[17:46:39] <Tom_itx> zeeshan's always looking for more work
[17:46:51] <yasnak> lol
[17:46:56] <zeeshan> most of the work i do at eaton is sheet metal forming
[17:46:57] <yasnak> one of those huh? im the same way
[17:48:37] <yasnak> at shop now, going to be setting up the 5 axis and was thinking about doing a periscope type livestream
[17:48:46] <zeeshan> do it
[17:48:46] <zeeshan> :P
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[17:52:05] <zeeshan> https://www.youtube.com/watch?v=RZB8W81ae_g
[17:52:07] <zeeshan> rofl
[17:52:15] <zeeshan> im reading a thread where theyre trying to blame mastercam for this
[17:52:18] <pink_vampire> http://www.amadamiyachi.com/products/laser-welding/lw-power-supplies
[17:56:43] <yasnak> eh, new programmer had a post that didn't translate the safe planes correctly
[17:56:58] <zeeshan> doesnt look the clearance plane was set
[17:57:06] <yasnak> didn't know how to fix it and edited each one manually until he told me. he did the same thing
[17:57:30] <zeeshan> i need to learn fbm tool paths in mastercam
[17:57:37] <zeeshan> it literally generates all the tool paths for you
[17:57:53] <yasnak> yeah, if you have models that are correct
[17:58:01] <zeeshan> yes
[17:58:07] <yasnak> if they're modeled very poorly the cam software will do all sorts of odd shit
[17:58:19] <zeeshan> it still feels better to do it by hand
[17:58:21] <yasnak> which brings me back to...engineers. i hate them
[17:58:22] <zeeshan> to catch mistakes
[17:58:34] <zeeshan> dont hate us :{
[17:58:54] <yasnak> sadly with 5axis you dont have much a choice. sometimes your tool is inside on an angle and your balls are so far up your throat...
[17:59:13] <Tom_itx> yasnak, what cad cam do you use on your 5 axis?
[17:59:21] <yasnak> powermill
[17:59:31] <yasnak> been playing with hsmworks though
[18:00:20] <yasnak> imachining rep is calling more than my gf. honestly, if it posts crap code i dont want it. too much a risk
[18:00:30] <Tom_itx> a shop around here was looking at this http://www.nccs.com/products/ncl.html
[18:01:30] <yasnak> when you buy these machines youre looking at 500k+. if its your first i'd ask the manufacturer what to use as they should know. another couple grand isn't going to close up shop after that pricetag
[18:01:55] <Tom_itx> everybody around here uses catia
[18:02:28] <Tom_itx> but it's 75k per
[18:02:36] <yasnak> we do solidworks and their epdm software for rev control and workflows.
[18:03:00] <Tom_itx> they're quite similar
[18:03:09] <Tom_itx> catia has alot more features i think
[18:03:17] <yasnak> epdm is a flaming pos. the licensing is crap
[18:03:29] <Tom_itx> and it has it's own post
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[18:04:23] <Tom_itx> probably 95% aircraft machining around here
[18:04:29] <Tom_itx> a little agri
[18:04:49] <zeeshan> yasnak: why powermill
[18:05:16] <yasnak> eh, i've used partmaker for years as i started machining on swiss machines
[18:05:36] <Tom_itx> force of habit...
[18:05:49] <yasnak> and powermill somewhat integrets into partmaker. same commands and controls
[18:06:06] <zeeshan> yasnak: i ask cause ive been looking at the 5 axis tool paths for mastercam
[18:06:14] <zeeshan> and ive always heard power mill is better
[18:06:16] <zeeshan> but no one says why =/
[18:06:24] <yasnak> yeah, but honestly its not bad. best part is my sales rep knows how to machine and is a god when it comes to complex posts. i have posts with clearance routines and it gets a bit overkill sometimes
[18:06:57] <Tom_itx> how do you keep track of each machine post?
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[18:15:51] <Denkishi> Quick question, should the end stop adjusting screws hit the limit switch right at the black button, or utilize the extention arm for cushion? (If that even makes sense)
[18:16:24] <Tom_itx> use the arm, that's what it's for
[18:16:45] <Denkishi> Pic for hopefully some clarity: http://i.imgur.com/Ws2cE6Y.jpg
[18:17:04] <Denkishi> That
[18:17:48] <Denkishi> That's what I figured. I was just probing to see if it made a delta style 3d printer harder to cal
[18:20:11] <CaptHindsight> what breaks first when over-traveled? The plastic wood screw holder or the switch?
[18:22:12] <Denkishi> Plastic I'd say. But I already fucked it up and put the wrong size screw in when i was building it :/
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[18:23:47] <witnit> Im sure you could re-engineer it so your switch in not in line with your travel but adjacent to the travel, so in the case of an overrun it simply passes by the switch
[18:24:24] <witnit> *is not in line*
[18:24:52] <CaptHindsight> sounds suspect
[18:25:10] <Tom_itx> zeeshan how would you approach drawing the left end of the one on P21?
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[18:28:01] <os1r1s> Denkishi Is that your orion?
[18:28:41] <Denkishi> rostock max v2
[18:28:52] <os1r1s> Denkishi Ahh, ok. I have both
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[18:29:05] <witnit> CaptHindsight: what is suspect?
[18:29:32] <os1r1s> Denkishi On the orion there is no lever and it hits the button directly
[18:29:34] <os1r1s> fwiw
[18:29:58] <zeeshan> Tom_itx: the one with the .5" slot?
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[18:31:04] <CaptHindsight> witnit: then you won't hear the sound of plastic cracking. It's a strong visual and audible indicator like a tamper proof seal.
[18:31:35] <witnit> ha yes indeed
[18:32:10] <Denkishi> os1r1s, I assume the hard end of the stop is a bit more rigid, or dampened?
[18:32:23] <Denkishi> on the orion..
[18:32:46] <witnit> I found with limit and home switches is best to put them anywhere excect directly in the path of a moving slide.
[18:32:54] <witnit> except*
[18:33:29] <witnit> http://i1115.photobucket.com/albums/k550/Michael_In_California/CNC%20build/P9220015.jpg
[18:33:41] <witnit> descent example
[18:34:07] <Denkishi> But right now, when I do an "all" in MatterControl, it's slamming those limit switches pretty hard. And in my defence, I followed the directions lol. I was just curious if there was some reason I was missing that they did it that way.
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[18:38:33] <witnit> hmm, soo, it makes... "toys" lel http://ecx.images-amazon.com/images/I/4196NI2nGEL.01_SL500_.jpg
[18:39:41] <Jymmm> looks like someone got screwed
[18:40:26] <witnit> "No more embarrassing trips to the market!"
[18:40:47] <witnit> Oh the things I have seen made in shops..
[18:45:32] <Tom_itx> zeeshan, no
[18:45:35] <Tom_itx> i got it though
[18:45:53] <Tom_itx> the one with the 120 deg angle end on a 60 deg slope
[18:46:24] <Tom_itx> err yeah it has a .5 slot
[18:46:57] <Erant> Time to go make some annoyingly static chips.
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[18:48:42] <witnit> Erant: what material?
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[19:04:05] <zeeshan> lol erant
[19:04:09] <zeeshan> i know the feeling :P
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[19:24:28] <Denkishi-> What's a stable 12/24V 30+A power supply one of ya'll would reccommend?
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[19:35:12] <Jymmm> 2x 12V@60A =)
[19:36:53] <os1r1s> Denkishi- No. It isn't dampened or rigid
[19:37:44] <os1r1s> Denkishi- Its the same
[19:37:49] <os1r1s> Denkishi- And works fine
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[19:55:20] <witnit> Anyone used these before? http://www.a-m-c.com/download/datasheet/be25a20.pdf
[19:56:42] <gregcnc> just set up a smaller pair on my lathe
[19:57:32] <witnit> I had some motors laying around with no amps, this I expect to work on it, but when I tried my motor it seemed to hold and move some with test/offset pot but I was expecting the motor to drive away in one direction when I applied ref+ instead it just bumps over some and holds
[19:58:08] <witnit> gregcnc: brushless then?
[19:58:12] <gregcnc> no
[19:58:46] <witnit> all I have ever used were brush systems, so I am a bit unsure what to expect with this.
[19:58:54] <gregcnc> is commutation setup correctly
[20:00:12] <witnit> doubtful, I was expecting it to work with encoder
[20:00:16] <witnit> and nothing else
[20:00:19] <gregcnc> brushless isn't any different except you have to connect hall sensors
[20:00:28] <witnit> but I am unsure the effects of halls
[20:00:51] <gregcnc> hall sensors detect rotor position for commutation
[20:00:53] <witnit> since I never used them before and my motor doesnt have halls on them
[20:01:16] <gregcnc> does the encoder have commutation output?
[20:01:37] <witnit> uhh?
[20:02:05] <gregcnc> some encoders are configured with commutation in addition to incremental
[20:02:13] <witnit> oh, no
[20:02:42] <witnit> so, the encoder attached to the amp is not enough?
[20:02:55] <gregcnc> you probably need to get an encoder with commutation to make life easy.
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[20:03:55] <gregcnc> that amp won't do it
[20:04:09] <witnit> what does the ENCODER input on the amp do?
[20:04:27] <gregcnc> it replaces a tachometer in some applications.
[20:04:52] <gregcnc> it's used to derive a velocity signal
[20:04:56] <witnit> hmm, seemings how my motors dont have hall sensors, encoder, or tach, im not sure what to do with them
[20:05:14] <gregcnc> get an encoder with commutation
[20:05:38] <witnit> that sounds like something which would cost more than the motors
[20:06:03] <gregcnc> you need ancoders anyway
[20:06:05] <gregcnc> ?
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[20:09:13] <gregcnc> what kind of a motor is it that it has no hall? RC use?
[20:10:49] <witnit> rc?
[20:11:00] <gregcnc> radio control
[20:11:00] <witnit> It currently uses resolvers
[20:11:05] <gregcnc> Oh
[20:11:10] <witnit> but I dont have a way to make sense of a resolver
[20:14:46] <CaptHindsight> where do you find people to do all your work for you for free so that you can make a profit?
[20:15:36] <witnit> You mean like opensource community, the basis of all our own profit?
[20:15:41] <gregcnc> Ask the Waltons?
[20:15:43] <CaptHindsight> I assuming that I have just been contacted by someone from an alternate universe
[20:17:25] <Sync> zeeshan: did subaru already get back to you?
[20:17:35] <CaptHindsight> witnit: who is the "our" in that question? I don't sell any open source software.
[20:17:49] <gregcnc> The big names in servos make drives that can run a brushless with resolver, beyond that I don't know.
[20:17:57] <witnit> who sells opensource software? :P
[20:18:13] <witnit> yeah but those are expensive gregcnc
[20:18:34] <witnit> I make profit on hardware driven by opensource software
[20:18:49] <witnit> probably like everyone else who ever did anything worth selling in here.
[20:20:13] <CaptHindsight> then you're selling hardware
[20:20:32] <Sync> witnit: you apply a signal and measure amplitude of the return
[20:20:34] <gregcnc> Ebay and hope for the best?
[20:20:39] <witnit> wait someone wanted to buy opensource software from you? is what your saying?
[20:20:55] <CaptHindsight> witnit: not at all
[20:21:10] <witnit> hahah i dunno what you are talking about then :P
[20:21:57] <CaptHindsight> witnit: would you design and build custom hardware from free?
[20:22:09] <witnit> Sync: yeah but what i mean is, without buying anything will this work
[20:22:24] <witnit> I could spend money on a something to make use of the resolver
[20:22:38] <witnit> CaptHindsight: no?
[20:23:02] <gregcnc> pico system makes a resolver to incremental, but you needs comm as well
[20:23:47] <witnit> CaptHindsight: I would give away work I already did for free, but not do some project for free.
[20:23:59] <CaptHindsight> witnit: even for someone who thinks of themselves as very very special?
[20:24:08] <witnit> huh?
[20:24:08] <Sync> you could use our servo drives for it witnit
[20:24:40] <witnit> CaptHindsight: i dont know what you are talking about
[20:24:56] <witnit> link me sync
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[20:26:21] <gregcnc> some customers are demanding?
[20:27:01] <witnit> im having troubles following what he is talking about
[20:27:04] <CaptHindsight> paying customers
[20:27:13] <CaptHindsight> witnit: it's ok
[20:27:46] <gregcnc> but I spend xxx dollars with you this year, can't you do it for me????
[20:27:47] <CaptHindsight> what are non-paying customers?
[20:28:20] <CaptHindsight> ahh the throw me some free bees type
[20:29:00] <witnit> sync who is "our"
[20:29:09] <CaptHindsight> I send them a box of bees
[20:29:15] <Sync> https://github.com/rene-dev/stmbl witnit
[20:33:10] <zeeshan> sync prolly monday
[20:33:24] <zeeshan> fix my mill!!!!!!!
[20:33:45] <CaptHindsight> zeeshan: send it here
[20:34:16] <Crom> damnbit!!
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[20:35:11] <Crom> trying to find a util to create a canned scrollwork snub end. and there ain't nothing out there...
[20:35:25] <Sync> zeeshan: wat broke?
[20:35:28] <witnit> Sync: I was thinking these were 1.7 kW is ok?
[20:35:33] <zeeshan> sync nothing broke
[20:35:33] <CaptHindsight> JT has Mesa boards in stock that Mesa is currently out of
[20:35:37] <zeeshan> u didnt see the machining video?
[20:35:39] <CaptHindsight> thanks JT-Shop
[20:35:39] <Sync> no
[20:35:48] <Sync> witnit: 1.7kW should work
[20:37:11] <zeeshan> https://youtu.be/70rd9fK-UGg?t=205
[20:37:14] <zeeshan> sync watch the motion
[20:37:20] <zeeshan> on the back feed
[20:39:09] <Sync> I don't see anything suspicious
[20:39:16] <zeeshan> it slows down on the corners
[20:39:47] <Sync> ah
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[20:40:31] <Sync> ah yeah
[20:41:20] <zeeshan> i think for now im just going to retract
[20:41:24] <zeeshan> rather trhan retrace the path
[20:41:48] <Sync> just use a continuous path around the part?
[20:42:08] <zeeshan> compare my path
[20:42:14] <zeeshan> er my machine vs this one on the left
[20:42:21] <zeeshan> https://youtu.be/XcUTcSbGebY?t=27
[20:42:28] <zeeshan> look at how smooth the backfeed is around that corner
[20:43:34] <zeeshan> something fishy going on :P
[20:44:00] <Sync> hm yeah
[20:44:08] <Sync> is it a demo part or what?
[20:44:22] <zeeshan> nah i was actually working on a friends part
[20:44:28] <Sync> ah
[20:44:29] <zeeshan> starting to use hsm paths now
[20:44:37] <gregcnc> programmed in mastercam?
[20:44:38] <zeeshan> no reason really to be using conventional
[20:44:42] <zeeshan> greg yes
[20:45:38] <Sync> well, the path looks inefficient, somehow
[20:46:14] <zeeshan> its not!
[20:46:32] <gregcnc> it should retract and go the shortest way, but I don't write CAM
[20:46:40] <zeeshan> you can do that too
[20:47:08] <witnit> it seems like excessive wear on the cutters bottom half to take those types of cuts, the machine on left would have better tool life it seems. But Im not a mill guy.
[20:47:11] <gregcnc> the code has no goofing F values in it?
[20:47:29] <zeeshan> greg nop
[20:47:42] <zeeshan> witnit yep the left tool path means longer cutter life
[20:47:45] <zeeshan> and faster
[20:47:48] <zeeshan> and easier on the machine
[20:47:59] <witnit> easier on machine?
[20:48:01] <zeeshan> cause constant chipload is maintained always
[20:48:02] <zeeshan> yes
[20:48:08] <witnit> oh
[20:48:58] <witnit> I was thinking it would require more torque over the length of cut. probably a bad angle for me to judge "easiness on machine"
[20:49:11] <zeeshan> math doesnt lie :P
[20:49:11] <witnit> more consistant at least
[20:49:17] <gregcnc> that machine can easily break 100 of those endmills a day? and be ready to break more
[20:49:18] <Sync> zeeshan: I think volumill would try to hug the coutour
[20:49:35] <zeeshan> the toolpath isnt the prob
[20:49:39] <zeeshan> its something either in my pid
[20:49:44] <zeeshan> or linuxcnc settings
[20:50:18] <zeeshan> i was hoping someone has played iwth g64 here
[20:50:40] <witnit> is your scaling identical for each axis?
[20:50:43] <pcw_home> Can't be PID unless you have way too wide following error limits
[20:50:56] <zeeshan> nah the ferror is set to 0.002
[20:51:07] <zeeshan> okay so not pid
[20:51:08] <pcw_home> so not tuning/PID
[20:51:17] <zeeshan> witnit yes
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[20:51:46] <zeeshan> maybe the cam is outputting too much line segments?
[20:51:55] <witnit> I thought maybe you had a max velocity set for one axis and not the other causing the machine to slow for curvature
[20:51:59] <zeeshan> hmm lemme try turning on the line filter on
[20:52:44] <zeeshan> current prog is 464kb as is,
[20:53:07] <CaptHindsight> are you sure that you used big enough wire?
[20:53:18] <zeeshan> if i turn on line/arc filtering on xy only, with minimum arc radius set to 0.005, and maximum arc radius set to 100, and total tolerance set to 0.001
[20:53:28] <zeeshan> the program size drops to 112kb
[20:53:28] <zeeshan> hmm
[20:53:46] <zeeshan> the little line segments might be overwhelming the controller?
[20:54:14] <CaptHindsight> the old planner only looked ahead by one move
[20:54:38] <CaptHindsight> I forget how far ahead the new one looks
[20:54:51] <CaptHindsight> maybe one of the devs will chime in
[20:55:59] <zeeshan> theres a setting for it
[20:56:36] <zeeshan> ARC_BLEND_OPTIMIZATION_DEPTH = 50 - Look ahead depth in number of segments.
[20:56:48] <zeeshan> # n = v_max / (2.0 * a_max * t_c) #
[20:56:49] <zeeshan> :P
[20:57:19] <CaptHindsight> how many is your CAM putting out in the areas of concern?
[20:57:40] <Sync> 9001
[20:59:26] <zeeshan> 200/(2*10*0.00025)
[20:59:47] <zeeshan> oh ips
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[21:00:39] <zeeshan> 3.3333/(2*10*0.00025)
[21:00:44] <zeeshan> 666
[21:00:45] <zeeshan> hmm
[21:00:52] <zeeshan> my current look ahead is set to 50..
[21:01:16] <Sync> set it to 600? :D
[21:01:33] <zeeshan> If you still see strange slowdowns, it may be because you have short segments in the program. If this is the case, try adding a small tolerance for Naive CAM detection. A good rule of thumb is this: # min_length ~= v_req * t_c # where: # v_req = desired velocity in UU / sec # t_c = servo period (seconds) If you want to travel along a path at 1 IPS = 60 IPM, and your servo period is 0.001 sec, th
[21:02:37] * zeeshan tries
[21:02:55] <witnit> can you recreate the problem manually with "long segments"
[21:03:45] <witnit> just a set of similar paths and different segments and compare when and where the velocity is changing
[21:04:02] <zeeshan> im gonna try that setting first
[21:04:18] <zeeshan> and then use the tolerance method in cam
[21:06:25] <gregcnc> what is you rapid on that machine?
[21:06:29] <zeeshan> 200ipm
[21:06:35] <zeeshan> okay i can see right away with tolerance method
[21:06:44] <zeeshan> its combining all those little lines into arcs
[21:06:47] <zeeshan> very cool
[21:08:18] <witnit> if you ran this same job at 10% you probably wont see any speed loss comparing it to a linear motion. I would suspect its not keeping up with trajectory planning.
[21:08:42] <gregcnc> did the other guy having this problem with breaking endmills on inside corners get it figured out?
[21:08:55] <gregcnc> he was also slowing way down in corners
[21:09:37] <zeeshan> it doesnt seem to be a problem at 43ipm
[21:09:44] <zeeshan> but i can suspect it will become a problem at higher speeds
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[21:10:12] <zeeshan> im really excited to test these thigns!
[21:11:51] <witnit> does it do circles at a high speed?
[21:12:45] <zeeshan> ill try that out too
[21:12:47] <zeeshan> sec going to machine
[21:15:26] <witnit> I would assume it can do a circle at high speed but when it switches to a multi-segmented curve/arc its not keeping up. Ohh i need to learn so much more about this stuff, everything I say is just guesses ahahahah
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[21:23:08] <zeeshan-mill> warm up ...
[21:23:19] <witnit> *cracks knuckles*
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[21:30:04] <zeeshan-mill> almost done :P
[21:30:13] <zeeshan-mill> i am curious about circles at high speeds
[21:30:19] <witnit> Im patiently waiting for your research results
[21:30:32] <zeeshan-mill> haha
[21:30:40] <zeeshan-mill> i think the first step is the circle
[21:30:45] <zeeshan-mill> cause its a simple path
[21:31:16] <witnit> you have Z axis?
[21:31:47] <Tom_itx> G6.2
[21:31:59] <Tom_itx> looks interesting
[21:32:31] <zeeshan-mill> yes witnit
[21:32:32] <zeeshan-mill> its 3axis
[21:33:04] <Tom_itx> http://www.mmsonline.com/articles/tool-path-strategies-for-high-speed-machining
[21:34:01] <witnit> I was wondering if you changed your program from x-y to X-z or Y-Z and see if one of the two axis are funny. but more than likely if you can do fast circles its probably the trajectory planning which is slow or something.
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[21:37:39] <zeeshan-mill> okay
[21:37:43] <zeeshan-mill> doing a 5 " circle
[21:37:48] <zeeshan-mill> er 3" circle at 200 ipm
[21:37:57] <zeeshan-mill> it drops massive speed at the quadrants
[21:38:14] <zeeshan-mill> at each half quadrant
[21:38:29] <witnit> okay, time for a smart person to come explain :P
[21:38:35] <zeeshan-mill> lol
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[21:42:44] <witnit> your ngc file?
[21:45:37] <zeeshan-mill> nm fixed it
[21:45:39] <zeeshan-mill> it was the gcode
[21:45:42] <zeeshan-mill> write the circle by hand :P
[21:45:43] <witnit> ;)
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[21:46:27] <gregcnc> I saw going to ask if it was a single g2 move, but thought ......
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[21:50:14] <zeeshan-mill> testing the old prog :P
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[21:53:17] <zeeshan-mill> okay adding tolerance didnt help
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[21:55:03] <zeeshan-mill> increased ARC_BLEND_OPTIMIZATION_DEPTH = 50 to 670
[21:55:15] <zeeshan-mill> seemed like it helped but prob still there
[21:55:57] <gregcnc> interesting, how fast is the PC on that machine?
[21:56:13] <zeeshan-mill> how do you want me to quantify that
[21:56:16] <zeeshan-mill> like cpu speed?
[21:56:24] <zeeshan-mill> this is using a mesa 7i77 and 5i25 combo
[21:56:44] <CaptHindsight> in bananas per fortnight
[21:56:46] <gregcnc> if not CPU speed, where is the hangup?
[21:57:24] <zeeshan-mill> g64 is on
[21:57:25] <zeeshan-mill> btw
[21:57:34] <zeeshan-mill> G64 - without P means to keep the best speed possible, no matter how far away from the programmed point you end up.
[21:57:43] <CaptHindsight> zeeshan-mill: have toy asked the devs about the issues and where to poke around?
[21:57:51] <CaptHindsight> toy/you
[21:57:54] <zeeshan-mill> no
[21:58:18] <CaptHindsight> they are pretty helpful and generally have good suggestions fr where to look
[21:59:28] <CaptHindsight> or other code to test it with too see if it's your CAM vs setup or a possible bug
[22:10:49] <Deejay> gn8
[22:11:08] * Tom_itx smacks zeeshan
[22:11:16] * Tom_itx smacks zeeshan with a PID tuning tool
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[22:18:50] <CaptHindsight> Tom_itx: cut him some slack, have you seen his hands? :)
[22:21:04] <Crom> hmmm has Duc been here? thinking about his 0-30 code
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[22:41:42] <alex_joni> anyone knows any stepper driver chips which are programmable?
[22:42:06] <alex_joni> e.g. you can set microsteps, current limit & such via some interface?
[22:42:31] <alex_joni> (not with resistors, but I2C or similar)
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[22:47:25] <pcw_home> some Allegro ones can (SPI)
[22:49:01] <alex_joni> I only want i2c or spi for configuring it
[22:49:07] <alex_joni> I still mean to drive it with step/dir
[22:50:28] <__rob> alex_joni, you can program with the STM dspin ones
[22:51:19] <__rob> fet currents, microsteps etc..
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[22:51:54] <__rob> but you can't dynamically change microsteps, you have to put outputs hi-z
[22:52:03] <__rob> still quite nice tho
[22:54:22] <__rob> those ones also have a full motion engine built in for setting target speeds, accel, decel, position etc.. rather then stepping yourself. never used it tho
[22:54:51] <alex_joni> __rob: cheers, looking at L6470 now
[22:56:34] <pink_vampire> hi alex_joni
[22:56:57] <pink_vampire> i think I know
[22:58:25] <pink_vampire> found it
[22:58:27] <pink_vampire> http://www.elmomc.com/
[22:59:43] <pink_vampire> alex_joni: are the admin here?
[23:00:42] * alex_joni is off to bed
[23:00:45] <alex_joni> thanks all
[23:01:22] <pink_vampire> I have a discord server about cnc macining.
[23:01:44] <pink_vampire> maybe you can add it to the topic here
[23:05:25] <pink_vampire> https://discordapp.com/invite/0oAimSwFHdSWZCUl
[23:05:39] <pink_vampire> this is the invite link.
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[23:20:04] <Tom_itx> CaptHindsight, haha
[23:21:22] <witnit> wait admin, people admin around here?
[23:22:14] <Tom_itx> not much
[23:23:00] <witnit> this community seems really good about self regulation
[23:23:15] <witnit> also the topic of interest seems to filter out the morons :)
[23:24:15] <XXCoder> yeah here dont get much scrollers and such'
[23:25:13] <witnit> Im quite possibly one of the weakest minded individuals here. Just a try-hard linux user.
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[23:35:48] <Jymmm> Shit, I didn't know linuxcnc was a game! But I guess it is... https://www.youtube.com/watch?v=Zs0MTWUkBaQ
[23:37:52] <Jymmm> witnit: Um, why would you say that bout yourself?
[23:37:59] <Denkishi> os1r1s, what bed do you have on the rostock? I have an Onyx HB, Rev 7, but it takes years it seems to even reach 80 :(
[23:38:17] <os1r1s> Denkishi I have the latest one, not sure the version
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[23:38:27] <Denkishi> running on 12v?
[23:38:33] <os1r1s> Denkishi But I don't print ABS with it so I don't go that high
[23:38:46] <Denkishi> Fair enough.
[23:38:47] <os1r1s> Denkishi Correct. You can't run that bed on 24v
[23:39:17] <Denkishi> Erm, I heard different for models after rev 3? o.0
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[23:40:17] <witnit> Jymmm: I have spent countless hours staring into the abyss of manuals and still things don't click
[23:40:27] <witnit> very aggravating
[23:41:15] <os1r1s> Denkishi Fairly certain it does not. I can ask John next time I talk to him.
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[23:43:47] <witnit> I dont think its ever a good idea to trust robot to do something like that
[23:45:23] <witnit> that guy riding around on it like some toy, there has got to be some possibility its just going to smash him into the concrete
[23:47:18] <malcom2073> Though I hear about those arms killing people in the mfg world, more than the hobbiest world... granted there is an order of magnatude or 5 difference between the numbers, but I wonder if anyone has killed themselves just playing with one
[23:47:57] <witnit> im sure of it malcom2073 people do some really stupid stuff
[23:48:08] <malcom2073> And sometimes don't stick it on youtube heh
[23:48:45] <witnit> there was a guy not far from here got the squish from one
[23:49:34] <malcom2073> I almost got one for free, just for the cost of hauling it 500 miles.
[23:49:40] <malcom2073> It scared me too much
[23:49:45] <witnit> I assume he was just setting it up and a motion got triggered unexpectedly but why put yourself in the range of a robot while its waiting to move
[23:50:04] <malcom2073> Yeah, I'd be nowhere in reach anytime power is applied
[23:50:27] <witnit> I paid $100 for a broken motoman :)
[23:50:34] <witnit> works now =D
[23:50:51] <malcom2073> Heh, whatcha use it for?
[23:51:11] <malcom2073> That's the other thing, I didn't have a really good usefor one
[23:51:11] <witnit> I had an engineer come in and help me work out loading system to replace the robot, just a small part fed into a vice then removed
[23:52:00] <witnit> but I had the robot cylcling and he just rolls a stool up beside it and starts measuring things while the bot is cruising around.. im like UHHHH no dood. this thing needs shut off
[23:52:47] <malcom2073> lol
[23:52:49] <witnit> I dont have much faith in things created by humans
[23:53:08] <witnit> ntm the robot was from like 1989 or something
[23:53:16] <witnit> so how safe can it REALLY be
[23:53:59] <witnit> malcom2073: i didnt have a use for one until I got it
[23:54:46] <witnit> imagine this, 10,000 turned parts in lathe, when part is done on one end the robot picks it off, flips it and puts it back in for rear work
[23:55:06] <witnit> or parts come down vibrating bowl and then robot picks them up and deburs a hole
[23:55:35] <witnit> tons of little operations I never thought I would need it for, and it saved me alot of work, but I guess thats for me since I do higher quantity production
[23:56:49] <witnit> originally it was set up for welding, but I mostly use it for part handling and minimal machining
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