#linuxcnc | Logs for 2018-12-24
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[02:09:05] <gloops> Police tell BBC News they “cannot discount the possibility that there may have been no drone at all”.
[02:09:09] <gloops> what??
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[02:26:22] <ziper> lsd in the water
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[02:56:50] <gloops> well, im going to have a couple of hours on my bandsaw project today, changing pulleys to reduce speed, if this doesnt work ill buy a bigger motor
[02:57:24] <gloops> according to the bandsaw heads, 1 hp should drive this fine, but it isnt
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[03:33:49] <Deejay> moin
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[03:42:52] <XXCoder> gloops: usually when nobody made eye contact with it, just radar register
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[03:58:30] <gloops> well thats some blunder to make lol, could have been a falcon hovering or anything
[03:59:32] <XXCoder> falcon is invisible to radar.
[04:00:18] <XXCoder> if its NOT a drone, likely its artifict of error or maybe metal balloon
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[04:01:47] <gloops> they did find a damaged drone nearby apparently
[04:13:13] <Deejay> ufo!
[04:13:32] <XXCoder> yeah it turned into damaged drone before it was found
[04:13:39] <XXCoder> its a way to avoid being truly discovered
[04:13:46] <XXCoder> https://www.youtube.com nice restore video
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[05:26:01] <XXCoder> https://www.youtube.com another good omne
[05:31:12] <XXCoder> im paying him $1 monthly now
[05:31:16] <XXCoder> awesome
[05:34:08] <XXCoder> melting copper coins holding it on hand - with "starlite" as protection. https://www.youtube.com
[05:46:11] * Loetmichel just found an older video of me driving my convertible... MAN do i need to buy a new one this summer. and is it remotely possible that i drive like an ass? -> https://www.youtube.com
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[05:59:42] <syyl> i hope fragalot gets his parcel today
[05:59:44] <syyl> :D
[06:00:09] <XXCoder> whats he getting
[06:00:31] <syyl> a christmas gift :D
[06:00:37] <XXCoder> nice
[06:00:37] <syyl> some stones
[06:00:50] <XXCoder> your family jewels? :P
[06:00:53] <XXCoder> ;)
[06:01:04] <syyl> lol
[06:01:12] <XXCoder> thats one of stuff I wanna try milling, rocks
[06:01:22] <XXCoder> though need very high rpm cooling and special tools
[06:01:40] <syyl> there are some grades of stone/rock that can be milled with normal carbide tools
[06:01:50] <syyl> soapstone for example
[06:02:06] <syyl> and slate
[06:02:29] <XXCoder> im thinking cermtic
[06:02:45] <syyl> Macor!
[06:02:52] <XXCoder> though not with my machine it'd have to be better maybe dunno
[06:02:52] <syyl> but its bloody expensive
[06:02:56] <XXCoder> it would need so much water
[06:03:06] <XXCoder> and water = rust
[06:03:20] <syyl> i cut a bunch of marcor ceramic at work
[06:03:23] <XXCoder> most of machine is alum but theres some metals that can rust
[06:03:32] <syyl> its interesting - can be cut with hss and carbide, even dry
[06:03:47] <syyl> turning, milling, drilling and tapping work without a problem
[06:12:45] <miss0r> Marry christmas ect.
[06:12:52] <XXCoder> merry xmas
[06:13:35] <miss0r> kids & wife is asleep... :D Now I have do some milling - I'm making a new steering relay bracket for the landy
[06:13:37] <miss0r> :)
[06:13:53] * miss0r is feeling the christmas spirit
[06:14:17] <XXCoder> starry night milling eh heh
[06:14:35] <XXCoder> if i tried that there'd be knocks on door and it would go unanswered lol
[06:14:52] <miss0r> hehe
[06:14:56] <miss0r> Nah, its noon here
[06:15:17] <miss0r> Even if I did the starry night milling, it would be no problem. The shop is quite sound proof
[06:16:01] <XXCoder> nice
[06:16:12] <XXCoder> 3 am here
[06:16:39] <miss0r> hehe
[06:18:33] <miss0r> part one: "What should the part look like?" part two: "What does the stock I have allow for?"...
[06:18:36] * Loetmichel imagines miss0r in green clothing with a pointy green hat and red/white striped socks... and pointy ears... giggling and singing christmas carols wile jumping around the shop and operating 5 machines at once ;)
[06:18:38] <miss0r> Now it looks such :D
[06:19:09] <miss0r> Hey! I don't like pointy hats.. :) Otherwise it is spot on :D
[06:19:28] <miss0r> you forgot about the overgrown beard
[06:19:40] <XXCoder> better giggling with pointy hat than on shelf and watching
[06:19:46] <XXCoder> big brother elf
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[06:21:18] <miss0r> hehe. I need to do this bracket for the landy soon. The steering relay can move a little, and that is causing some backlash in the steering, which is otherwise damn tight.
[06:21:27] <miss0r> Almost can't feel it is an old push bar system
[06:24:53] <jthornton> morning
[06:25:35] <miss0r> mornin
[06:25:40] <XXCoder> hey
[06:26:01] <XXCoder> miss0r: car part? or truck whatever?
[06:26:21] <miss0r> It is a part for the car, yeah
[06:26:31] <miss0r> a 1972 series three 88" land rover
[06:26:52] <gloops> well i got a hole to drill for a retaining pin for a pulley, that will reduce rpm by 50%, if that dont work its another motor
[06:27:24] <miss0r> gloops: o_0 you have something spinning quite freely on a shaft there? :)
[06:27:49] <gloops> yeah i just bored out a pulley to fit a motor spindle
[06:28:20] <gloops> 10ft of bandsaw blade running very nice, but no cutting torque
[06:28:45] <miss0r> can you hear the motor bog down?
[06:28:57] <miss0r> or could you tell it was still spinning freely? :)
[06:29:05] <gloops> it slows down pretty quick when force applied
[06:29:19] <miss0r> the blade, sure. but what about the motor?
[06:29:46] <gloops> well i only tried it once, tbh i didnt check belt was slipping but it did sound like the motor stopped
[06:30:12] <gloops> i was so pissed off at the time i just pulled the plug lol
[06:30:31] <miss0r> well. if the motor stops, the pin won't do you much good realy
[06:30:56] <gloops> oh no, its a smaller pulley - just locking it with a pin
[06:31:36] <gloops> ive been looking for a 1hp motor local, finally found one but its 2800 rpm
[06:31:47] <miss0r> ahh indeed :]
[06:32:00] <gloops> the original motor for this was 1350 rpm - hence having torque problems - well i hope the speed is the reason
[06:32:09] <miss0r> For a second there I thought you were experiencing a senior moment :D
[06:32:33] <miss0r> "Speed fixes everything" - Clarksson
[06:32:49] <gloops> if my calculations are correct ive reduced rpm by half, so that should get me the original torque back?
[06:33:18] <miss0r> depends on the hp of the original motor
[06:33:32] <gloops> was the same thereabouts
[06:33:52] <miss0r> In that case it should land you roughly in the same torque
[06:33:58] <gloops> or it could be i just bought a crap motor lol
[06:34:12] <miss0r> hehe. You are about to find out :D
[06:34:26] <gloops> yeah in about 15 minutes or so
[06:34:31] <gloops> last chance before xmas
[06:34:33] <miss0r> anyway.. I'm on the mill. I will be back to see the results here
[06:34:47] <gloops> yeah im going back to it
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[06:40:25] <SpeedEvil> When carbon fibre is too hard.
[06:40:26] <SpeedEvil> https://mobile.twitter.com
[06:41:04] <SpeedEvil> Stainless steel starship. (test vehicle)
[06:41:05] <SpeedEvil> Usable strength/weight of full hard stainless at cryo is slightly better than carbon fiber, room temp is worse, high temp is vastly better
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[07:15:54] <gloops> right, i got me a bandsaw
[07:16:50] <XXCoder> welcomed back
[07:16:58] <gloops> thanks lol
[07:17:51] <miss0r> it worked, eh?
[07:18:26] <gloops> yep, doesnt slow down now - well i can push a six inch log into it freehand and nothing slows
[07:18:38] <miss0r> nice
[07:18:42] <miss0r> congrats
[07:18:44] <gloops> i had every confidence in that, just a slight oversight
[07:18:53] <gloops> in the heat of the moment
[07:19:17] <miss0r> :)
[07:19:20] <SpeedEvil> And you only now have one hand
[07:19:50] <gloops> yes ill have to be careful with this, easily chop a daydreaming arm or head off
[07:20:30] <jthornton> gloops: got a photo of the bandsaw?
[07:20:33] <gloops> but will be operating by pushing from behind the blade
[07:20:55] <gloops> i promise i will get some photos when ive tidied up around it lol
[07:22:03] <jthornton> I'd rather see it in it's natural state :)
[07:22:12] <gloops> id rather you didnt lol
[07:22:28] <jthornton> lol
[07:23:12] <gloops> its basically just a bandsaw, chop the back out of it so you got 2 ends, weld a 100mm box section to connect them at the desired distance
[07:24:01] <gloops> some testing to go yet but its cutting, 2 car jacks lower and raise cut
[07:24:12] <SpeedEvil> Car jacks, for 6" ?
[07:24:30] <gloops> lifts about 16 inch
[07:24:46] <gloops> nah 14 inch i think
[07:26:22] <gloops> i might go on to ad either chain or screws to travel it, with a hand to turn
[07:26:31] <gloops> handle
[07:27:14] <SpeedEvil> ah
[07:27:45] <jthornton> that's how my neighbors saw mill works, two acme screws and a hand crank with a chain to couple them IIRC
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[07:28:27] <gloops> yeah something like that would be worth adding if all else works well
[07:28:41] <gloops> dont really want to be pushing it through
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[08:21:47] * jthornton gives up using linux mint as a motion eye server and install ubuntu server 16
[08:22:44] <XXCoder> whats difference that make it not work?
[08:23:29] <jthornton> dunno, can't install motioneye on it so I did have motioneye installed on ubuntu server before I swapped pc's
[08:25:14] <XXCoder> not bad
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[08:29:01] <jthornton> putzing around with it this morning didn't get any chicken programming done lol
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[08:44:49] <Net|> https://netpipe.ca first dvd print
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[10:52:51] <Deejay> re
[10:54:07] <JT-Shop2> er
[10:54:58] <Deejay> yo guys :)
[10:58:45] * Deejay wishes nices christmas days to everyone
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[11:04:49] <fragalot> syyl_: package arrived, just in time to pop it under the tree :-) thanks!
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[17:21:33] <Deejay> gn8
[17:22:29] <Tom_L> seems you had more to say than anyone today
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[17:45:14] <jthornton> pretty quiet day around here...
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[17:52:45] <Tom_L> a little too quiet
[17:53:36] <XXCoder> quuuiet
[17:53:39] <XXCoder> merry xmas
[17:57:29] <XXCoder> "nothing is stirring, not even a mouse"
[18:01:17] <roycroft> hi, folks, if anyone is around
[18:01:27] <roycroft> a 4" dial caliper that i've had for many years has finally given up the ghost
[18:01:49] <roycroft> it was a cheap imported model
[18:02:05] <XXCoder> what went wrong?
[18:02:18] <roycroft> i need to replace it, as it's such a convenient size (it fits in a pocket well)
[18:02:27] <roycroft> it's gotten jumpy
[18:02:35] <roycroft> and it's making noises when tracking
[18:02:41] <XXCoder> sigh same as my nice one it failed certification due to that
[18:02:43] <roycroft> i'm sure there's grit and crap in it
[18:02:47] <roycroft> anway
[18:02:50] <roycroft> it was cheap
[18:03:03] <roycroft> but now that i need to replace it i'm thinking of getting a digital one
[18:03:23] <XXCoder> well maybe look for used mitoyoto on ebay or something
[18:03:26] <roycroft> if for no other reason, because i'm doing almost as much metric stuff as american customary stuff
[18:03:32] <XXCoder> dial since digital is VERY often faked
[18:03:33] <roycroft> and a digital one would do both
[18:03:36] <roycroft> well
[18:03:40] <XXCoder> fakies drain batteries pretty bad
[18:03:42] <roycroft> i'm not going to get one off ebay
[18:03:58] <roycroft> because about 99% of the "mitutoyo" ones on ebay are fakes
[18:04:21] <roycroft> i mean, there's no way you're going to get a brand new mitutoyo for $9.99, or even $29.99
[18:04:30] <roycroft> so the question is
[18:04:44] <roycroft> i can get a genuine mitutoyo for about $130
[18:04:52] <roycroft> and i can also get one the same length for about $400
[18:05:00] <roycroft> what's the difference?
[18:05:04] <roycroft> besides $270
[18:05:27] <XXCoder> never saw a $400 caliper, only $130 or so and $10,000
[18:06:31] <roycroft> https://www.amazon.com
[18:06:35] <roycroft> that's the cheap one
[18:07:09] <roycroft> i don't need remote readout or any other fancy features
[18:07:19] <roycroft> i don't need it to be submersable
[18:07:22] <roycroft> or shock proof
[18:07:35] <roycroft> i just want simple, accurate, reliable
[18:07:43] <XXCoder> indeed me too
[18:08:06] <roycroft> and yes, i could go get a plastic one from harbor freight that will actually be fairly accurate
[18:08:21] <roycroft> but it will cost me $30 + a new battery every time i use it
[18:08:24] <XXCoder> i have mitoyoto dial and digitial caliper
[18:08:41] <roycroft> i have a starrett 6" dial caliper
[18:08:43] <roycroft> and i like it
[18:08:48] <roycroft> but it's too big to be pocket size
[18:08:52] <XXCoder> mitoyoto digitial mic and 1" 1950s starret mic
[18:08:56] <XXCoder> love em
[18:09:55] <roycroft> the one i linked to measures absolute capacitance, so it won't lose pulses if you move it too fast
[18:10:04] <roycroft> that seems a very important feature
[18:11:17] <XXCoder> none of mine have ever lost position (ignoring very shitty china one i got first)
[18:11:36] <roycroft> hmm, amazon warehouse have one in like new condition for $93.13
[18:11:50] <roycroft> i don't mind getting one like that - it comes in the original packaging, has full warranty
[18:11:55] <roycroft> but it's a return
[18:11:55] <XXCoder> sometimes "like new" = new when i dropped it
[18:12:11] <roycroft> yeah, but if it comes with full warranty i could get it fixed
[18:12:36] <roycroft> and since it's from amazon i can also always return it, questions asked, but no answer wrong
[18:12:45] <XXCoder> i learned the lession of precision measuring not liking concerete floor hard lol
[18:12:56] <XXCoder> paid $70 to get it repaired. works fine since
[18:13:21] <roycroft> i dropped my starrett once
[18:13:32] <roycroft> it hit a stall mat, not a concrete floor
[18:13:36] <roycroft> but the needle moved a bit
[18:13:49] <roycroft> starrett charged me $62 to repair and recertify it
[18:14:07] <XXCoder> ow but cheaper than new
[18:14:10] <roycroft> that's fine - it would cost me $220 to replace
[18:15:29] <roycroft> so that "low end" mitutoyo would probably be just fine?
[18:15:43] <XXCoder> whats your user case anyway
[18:15:54] <XXCoder> ie whats you use it
[18:15:56] <XXCoder> for
[18:16:04] <XXCoder> (besides olvious)
[18:16:06] <roycroft> i don't do real precision stuff with them
[18:16:19] <roycroft> i use micrometers when i need to dial things in super accurate
[18:16:24] <roycroft> quick measurements
[18:16:25] <XXCoder> then it should be fine yeah
[18:16:28] <roycroft> i like something i can travel with
[18:16:36] <roycroft> yeah, i'm kind of weird
[18:16:50] <XXCoder> who isnt
[18:16:50] <roycroft> when i go to the fastener store i like to bring a little dial caliper with me
[18:16:57] <ziper> guys i know this is a stupid question but i have to ask. is there any reason why a CNC lathe part has to be circular in cross section
[18:17:07] <roycroft> because folks always pull fasteners out of the bins and toss them back in the wrong place
[18:17:15] <roycroft> so i like to measure my stuff as i'm picking it
[18:17:33] <roycroft> no reason at all, ziper
[18:17:33] <XXCoder> honestly for that use you could get away with basic vernier
[18:17:56] <roycroft> yeah, well i like to do semi-precise stuff with it
[18:18:05] <ziper> how do you index the spindle to the location of the tool?
[18:18:08] <roycroft> i use a dial caliper way more than a micrometer on the mill
[18:18:18] <XXCoder> yeah that one would work fine (one you linked to)
[18:18:25] <XXCoder> i'd suggest buy from say MSI or something
[18:18:35] <XXCoder> better warranty AND for sure its real one
[18:18:44] <XXCoder> and maybe small price increase
[18:19:27] <roycroft> msi?
[18:19:29] <roycroft> or msc?
[18:19:37] <XXCoder> hmm latter i think
[18:19:46] <roycroft> if i buy from msc i'd probably pay $50 more
[18:20:01] <roycroft> if enco were still around i could probably get it for $10 less
[18:20:15] <roycroft> but msc shitcanned enco after they bought them
[18:20:23] <roycroft> then promised me the would not jack the prices up
[18:20:29] <roycroft> then promptly jacked the prices up
[18:20:46] <XXCoder> 0-150 mm one $138
[18:21:01] <XXCoder> 0-200mm just under 200
[18:21:14] <roycroft> i need 0-100mm
[18:21:28] <roycroft> oh, there is an msi
[18:21:41] <roycroft> "msi viking gage"
[18:21:47] <roycroft> is that the outfit you're talking about?
[18:22:05] <XXCoder> i dont know how good SPI is but i found 6" one for $50
[18:22:21] <XXCoder> https://www.mscdirect.com
[18:22:24] <roycroft> they have the 100mm one for $116
[18:22:36] <XXCoder> looking for 100mm
[18:22:49] <roycroft> spi are in between shite and good
[18:23:02] <roycroft> i might as well get mitutoyo
[18:23:20] <XXCoder> msi search dont do boolean. bah
[18:23:24] <XXCoder> yeah
[18:23:52] <XXCoder> btw $10,000 one i wasnt joking. used it 3 times lol
[18:23:58] <XXCoder> it was over a meter long
[18:24:09] <roycroft> oh, it looks like the one i linked to doesn't have a depth bar
[18:24:10] <XXCoder> yet retains +- .0005" as usual
[18:24:13] <roycroft> hmm
[18:24:25] <roycroft> i use the depth bar all the time on my dial calipers
[18:24:35] <roycroft> $193.40 for one with a depth bar
[18:24:56] <roycroft> oh, wait, it does have a depth bar
[18:24:57] <roycroft> ok
[18:25:35] <roycroft> aah, the one for $193.50 has an spd output
[18:25:36] <roycroft> spc
[18:25:39] <roycroft> i don't need that at all
[18:25:46] <jthornton> someone need a digital caliper?
[18:25:58] <roycroft> i do
[18:26:05] <roycroft> well, i'd like one
[18:26:10] <jthornton> I have some extras
[18:26:16] <roycroft> 100mm/4"?
[18:26:23] <jthornton> https://mesaus.com
[18:26:27] <jthornton> all 6"
[18:26:31] <roycroft> my years old 4" dial caliper just bit the dust
[18:26:34] <roycroft> i need 4"
[18:26:42] <roycroft> so i can stick it in my pocket and travel with it
[18:26:50] <jthornton> no 4" ones sorry only 6"
[18:26:50] <roycroft> 6" is too awkward for that
[18:27:09] <roycroft> i might be interested in a 6" as well though, but not right now
[18:27:38] <XXCoder> roycroft: ohh found good one for you https://amzn.to
[18:27:46] <roycroft> fowler is a big step up from harbor freight
[18:27:48] <jthornton> it will be there till it's gone :)
[18:27:57] <roycroft> and you're not asking much more than harbor freight price
[18:28:22] <jthornton> oh wait I have a brass 4" caliper somewhere
[18:28:24] <roycroft> are you doing free super-saver shipping? :)
[18:28:46] <jthornton> shipping is on you
[18:29:08] <roycroft> if i were getting a vernier caliper i'd get a shiny brass one
[18:29:32] <roycroft> that one would be fine for verifying bolt measurements at the hardware store
[18:29:42] <roycroft> but i do need to use it for other, more precise things
[18:29:50] <XXCoder> ya was kidding on that link lol
[18:29:55] <XXCoder> a whole do,llar lol
[18:30:35] <XXCoder> wtf theres $1 digitial ones too
[18:30:56] <roycroft> and they're worth a whole dollar, i'm sure
[18:31:36] <XXCoder> "BETTER LOOKING,SMOOTH SLIDING AND ACCURATE RESULT：Finely polished stainless steel frame gives a better texture and quality,knurled thumb roller and locking screw ensure smooth sliding and accurate positioning in use. Moreover, with its 5 minutes Auto shut off function, this will save battery life and remembers position when turned off. "
[18:31:44] <XXCoder> lol
[18:31:48] <XXCoder> fancy discription
[18:32:04] <XXCoder> i'd put in "its $1 caliper whats you expect?"
[18:32:29] <roycroft> i'll check in when i'm ready for a 150mm/6" one, jthornton, and see if you still have any
[18:32:43] <roycroft> unless i like the smaller mitutoyo so much i'll want another mitutoyo
[18:33:10] <roycroft> they're claiming an average of 3.5 years battery life
[18:33:23] <roycroft> which is way better than the harbor freight units that have a 3.5 hour battery life
[18:33:36] <XXCoder> lol yeah because those dont sleep properly
[18:33:45] <XXCoder> it turns off display but rest dont turn off
[18:34:03] <XXCoder> fake mitoyoto is same
[18:34:18] <XXCoder> mine tend to last a year or 2, because I use it so often
[18:34:49] <jthornton> wow that is a short battery life
[18:35:13] <XXCoder> my digitial mic in contrast I only changed battery once in 4 years
[18:35:39] <roycroft> well i think i'll probably get that little mitutoyo
[18:35:49] <XXCoder> i'd recommand it yeah
[18:35:54] <roycroft> it's a good price for a fairly precise instrument
[18:36:19] <XXCoder> jthornton: I love my 1950s mic so much I rarely use my mitoyoto digitial mic lol
[18:38:42] <jthornton> my eyes are not that good anymore so I need digital mic's that's the reason the other mic's are for sale
[18:40:08] <roycroft> i just got new contacts, and i'm back to 20/15 vision, which is nice
[18:40:22] <roycroft> however, i've developed mild cararacts
[18:40:42] <roycroft> which makes seeing things in low light conditions a bit difficult
[18:41:42] <roycroft> my eye doctor says that the cataracts are on the low end of normal for my age - not bad at all
[18:41:48] <roycroft> but my eyes will never be 20 again
[18:42:26] <XXCoder> mines not too bad 20/30 and 20/20 with minor agasism
[18:42:31] <XXCoder> very good eyesight for my age
[18:42:54] <XXCoder> night vision is insanely good unfortnately... lights really mess with my vision making driving bit hard
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[18:44:04] <jthornton> I always like the line "I made your eyes" from Blade Runner
[18:44:27] <roycroft> well, i should get back to the shop for a bit before it's time to get ready for christmas eve stuff
[18:44:31] <roycroft> happy holidays, all!
[18:44:43] <jthornton> yep time for me to cook some tacos
[18:44:49] <jthornton> happy holidays
[18:44:59] <XXCoder> happy ho;lidays :)
[18:45:48] <jthornton> XXCoder: you off all week or just for the holidays?
[18:45:55] <XXCoder> holidays
[18:46:05] <XXCoder> 2 day off this week, next week 2 days off again
[18:46:17] <XXCoder> so in 2 weeks I will only work 2 days
[18:46:27] <XXCoder> approx anyway
[18:47:39] <jthornton> you work 4 nights a week?
[18:53:41] * jthornton puts on his chef hat
[18:54:55] <XXCoder> yeah 10 hour shifts
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[19:24:04] <XXCoder> my solder board arrived! and 2 solder tubes
[19:24:14] <XXCoder> but still no projects and flux
[19:27:44] <renesis> theres usually flux in the solder '
[19:27:51] <XXCoder> yeah
[19:27:59] <XXCoder> just want to have flux also
[19:29:36] <MarcelineVQ> ye it's very helpful to have flux you can apply yourself
[19:29:37] <renesis> yeah its useful
[19:29:52] <XXCoder> cant do anything without kits arriving anyway
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[21:40:15] <zeeshan> howdy :D
[22:08:52] <Rab> zeeshan, greetz
[22:09:37] <Rab> https://i.imgur.com
[22:11:00] <zeeshan> yours?
[22:11:38] <Rab> 'Fraid not.
[22:13:02] <Rab> That's some sick CAM, or else hand coded.
[22:19:30] <renesis> cnc professor: what do you mean you cant code that its just geometry wtf
[22:20:17] <zeeshan> ;]
[22:21:50] <renesis> triangle is the only one one not immediately obvious to code
[22:22:45] <renesis> the circle just traces a full circle with a full C axis rev, thickness is initial cut angle
[22:23:58] <renesis> the S you just have to figure out the entry and exit slide and arc, then its same deal, C angle vs path is thickness
[22:24:45] <zeeshan> why bother
[22:24:53] <renesis> yeah the entry on the curve does a bit of a moonwalk to keep from cutting into the interior
[22:24:55] <zeeshan> when you can click a line and have code generated
[22:24:56] <zeeshan> ;p
[22:25:30] <renesis> because cam for that maybe doesnt exist or isnt affordable and the solutions turns out to be pretty simple
[22:25:46] <zeeshan> hsm
[22:25:48] <zeeshan> done!
[22:25:52] <renesis> anyway those types of paths suggest hand coding
[22:26:04] <zeeshan> id fire someone if they tried to hand code
[22:26:10] <renesis> for hot foam or youre saying to generate the code?
[22:26:26] <renesis> well right because you dont know the diff between modal and non modal words
[22:27:05] <zeeshan> o rly
[22:27:19] <renesis> if you had a list of coordinates to drill, you wouldnt just MDI the shit?
[22:27:39] <zeeshan> nah cause humans
[22:27:45] <zeeshan> easy to typo
[22:27:52] <renesis> same with CAM
[22:28:02] <zeeshan> if its just a 4 bolt pattern, not a big deal to do it with mdi
[22:28:07] <Rab> I'm trying to figure out if the S is a consistent width. If so, there's more to it.
[22:28:13] <zeeshan> but some of the parts we make have like 100+ holes
[22:28:29] <zeeshan> nice thing is when that part slightly changes
[22:28:32] <zeeshan> the code mostly updates
[22:28:41] <renesis> rab: theres not you just have to keep C the same angle vs the path
[22:29:00] <renesis> then it does a moonwalk to pull the cutter out without an arc'd end
[22:32:27] <renesis> doesnt look like hsm has foam cutter specific stuff
[22:34:10] <zeeshan> i'm trying to design a linear actuator for work
[22:34:35] <renesis> with protoculture?
[22:34:51] <zeeshan> frigging thing is looking like its going to be 28' long
[22:35:18] <zeeshan> im trying to decide whether i should just make the main beam out of 30' HSS
[22:35:20] <renesis> looks like RC plane types have 4-axis hot foam cutter software
[22:35:30] <zeeshan> or split it up into multiple sections
[22:38:52] <renesis> one of the projects at school used two stage air linear actuator, did like a foot, then another foot
[22:39:00] <renesis> telescopic cylinder or something
[22:39:11] <zeeshan> using a timing belt drive for this
[22:39:23] <zeeshan> makes sense for something that needs to move at around 60in/s over this span
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[22:39:35] <zeeshan> really the only other thing i can think of is rack and pinion
[22:40:19] <renesis> rail gun w/ monster brake
[22:40:25] <zeeshan> haha
[22:41:00] <Rab> zeeshan, heard of this? https://www.bell-everman.com
[22:41:38] <Rab> It uses two meshed belts, one adhered to a rigid beam, to counteract belt stretch.
[22:42:22] <renesis> what is meshed belts
[22:42:40] <renesis> like instead of a belt and sprocket?
[22:43:46] <Rab> Two timing belts, face to face, only coming apart where the motor engages: https://dc-us.resource.bosch.com
[22:44:08] <renesis> oh neat
[22:44:47] <Rab> I thought Bell-Everman had it patented, but that's Bosch Rexroth...maybe they licensed it.
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[22:45:36] <Rab> Anyway if I wanted a 30' belt drive, I'd seriously consider that concept.
[22:46:08] <zeeshan> looks like a pain in the butt to work on!
[22:46:22] <zeeshan> our typical design just has 2 pulleys end to end
[22:46:37] <zeeshan> with a linear rail in between... and a timing belt clamp
[22:47:07] <zeeshan> the challenge for this design is keeping dust out without using bellows or covers
[22:47:11] <zeeshan> telescoping covers that is
[22:47:25] <zeeshan> and possibly modular
[22:47:29] <Rab> Massive cnczone thread, various DIY efforts: https://www.cnczone.com
[22:47:30] <zeeshan> so it can be shipped easy
[22:47:56] <Rab> zeeshan, how do you keep the belt from sagging?
[22:48:04] <zeeshan> pre-tension
[22:48:19] <zeeshan> we use belts with steel cords in them
[22:48:50] <zeeshan> im not being close minded
[22:48:52] <zeeshan> throw more of this at me
[22:48:55] <zeeshan> i'm at concept stage
[22:49:24] <zeeshan> you know whats cool about that double belt method
[22:49:34] <zeeshan> the dust cant get in between the teeth
[22:49:44] <Rab> yeah\
[22:49:51] <_unreal_> do you have dust collction?
[22:50:01] <zeeshan> not a big fan of the moving motor though
[22:50:13] <zeeshan> yes _unreal_
[22:50:13] <renesis> shrug, depends on load
[22:50:23] <zeeshan> but even with dust collection, drywall plants are pretty nasty
[22:50:28] <zeeshan> can get nasty
[22:50:41] <_unreal_> drywall plants?
[22:51:04] <zeeshan> yes
[22:51:16] <_unreal_> I have no idea what that means
[22:51:23] <zeeshan> gypsum board
[22:52:01] <renesis> the wall factory, _unreal_
[22:53:31] <zeeshan> rab
[22:53:38] <zeeshan> im watching the belt replacement video on this
[22:53:53] <zeeshan> that automatically means this mechanism is out
[22:53:53] <zeeshan> ;p
[22:53:57] <Rab> Another cool aspect is that there's virtually no tension on the inactive major portions of the belt. I think a 60' belt will need a fair amount of tension to have any control over position. But I don't know how precise this actuator needs to be.
[22:54:17] <zeeshan> +/- .015" plenty accurate
[22:55:07] <zeeshan> rab i'm looking at a design the senior engineer made like 12 years ago
[22:55:13] <zeeshan> he's got a 80mm wide belt
[22:55:39] <zeeshan> the travel length is 30'
[22:55:54] <zeeshan> i was on site a couplee weeks ago..
[22:56:00] <zeeshan> on our gantries the belt was whipping
[22:56:05] <zeeshan> it wasn't tensioned right..
[22:56:12] <zeeshan> i tensioned it, it didnt move at all
[22:56:48] <renesis> maybe loosens or stretches over time?
[22:57:33] <Rab> If there's functional prior art, that changes things. How often do the belts need to be serviced?
[22:57:51] <zeeshan> renesis: shouldnt
[22:58:09] <zeeshan> rab years!
[22:58:24] <zeeshan> Rab: i have 2 designs i know that work
[22:58:34] <zeeshan> but i think they can be improved.. i'm not a big fan of weldments
[22:58:48] <zeeshan> i like modular things so you can change them if needed
[23:00:20] <zeeshan> any other designs? :D
[23:06:29] <Rab> Bell-Everman is also responsible for this crazy thing, but I don't think it'll help you: https://www.youtube.com
[23:06:36] <Rab> I really want to build one though.
[23:08:31] <zeeshan> haha
[23:08:33] <zeeshan> that is nuts!
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[23:12:24] <CaptHindsight> typical linear servos
[23:12:37] <zeeshan> hi CaptHindsight
[23:12:59] <zeeshan> i need to come to this chat room more often ;[
[23:13:07] <zeeshan> i've been on my own trying to figure this stuff out!
[23:13:37] <CaptHindsight> there's not much talk of this in here
[23:13:47] <zeeshan> whats going on here lately?
[23:13:58] <CaptHindsight> mostly ballscrew driven machines for machining in here
[23:14:16] <CaptHindsight> oh lots of cooking
[23:14:20] <zeeshan> cant beat ball screws for precision
[23:14:35] <zeeshan> but for a plasma cutter or somethiung
[23:14:40] <zeeshan> belts would work well
[23:14:49] <CaptHindsight> political discussions, complaining etc
[23:15:03] <Rab> Chicken drama.
[23:15:20] <CaptHindsight> fowl drama :)
[23:15:28] <zeeshan> im trying to find the belt vid for you rab
[23:16:15] <zeeshan> found it
[23:17:51] <CaptHindsight> zeeshan: I was working on 5-axis CNC multicolor airbrush
[23:18:33] <Rab> I didn't realize until I saw the KAOS product page that there must be two carriages on a single stator track: https://www.bell-everman.com
[23:18:37] <zeeshan> cnc picasso?
[23:18:38] <zeeshan> :D
[23:19:05] <zeeshan> those igus energy chains
[23:19:05] <CaptHindsight> 3d part decoration (not in mold)
[23:19:07] <zeeshan> are SO cheap!
[23:19:25] <Rab> I assumed it was two separate motors...I think their early designs had a pair of belt stages.
[23:19:36] <zeeshan> i dont even know what is going on that pic
[23:19:38] <zeeshan> i see energy chains
[23:19:40] <zeeshan> and 3 rails
[23:19:41] <zeeshan> ;p
[23:21:14] <renesis> drive two X's and the Y just happens
[23:21:36] <zeeshan> theres 2 motors on the horizontal direction?
[23:21:46] <Rab> rite
[23:21:51] <renesis> i think so, just guessing
[23:21:51] <zeeshan> how can you tell
[23:22:05] <renesis> because thats how i would drive an arrangement like that
[23:22:06] <Rab> Except that it's like 1.5 linear motors.
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[23:22:51] <renesis> i dunno why they would do it like that but i imagine it has to do with moving mass on the Y
[23:23:07] <zeeshan> duhh.. this is related to the video you posted.
[23:23:37] <flyback> zeeshan, BMCC
[23:23:38] <flyback> :)
[23:23:44] <flyback> merry xmas eh-hole
[23:23:48] <zeeshan> so when the two motors move at diff speeds that triggers the vertical axis
[23:23:50] <renesis> classic flyback
[23:23:57] <renesis> yeah
[23:23:57] <pfred1> I saw a vinyl cutter once the size of a basketball court
[23:24:00] <zeeshan> when they move at the same speed, then you translate only
[23:24:02] <flyback> hello renesis
[23:24:04] <flyback> BMCC
[23:24:15] <zeeshan> smart for pick and place
[23:24:41] <pfred1> the gantry on that thing was like 5 feet thick
[23:24:43] <CaptHindsight> how many year of biting CC's is this now on IRC?
[23:24:48] <flyback> 20
[23:24:55] <zeeshan> whats bmcc
[23:25:18] <flyback> BITE MY "CANUCK"...........................................................................................CANUCK!
[23:25:23] <CaptHindsight> time flys
[23:25:31] <cradek> ]
[23:25:37] <zeeshan> what does that even mean
[23:25:38] <zeeshan> lol
[23:25:52] <flyback> it doesn't mean anything
[23:25:53] <flyback> hahahaha
[23:26:11] <pfred1> it only has meaning if you're drunk on maple syrup
[23:26:17] <CaptHindsight> flyback has been obsessed with CC's for some time
[23:26:35] <flyback> https://www.facebook.com
[23:26:39] <flyback> CUNY BMCC
[23:27:17] <CaptHindsight> Obsessive Offtopic Canuck Disorder, it's in the DSM go check honest
[23:27:51] <pfred1> we need to build a wall on the Canadian border so their cold stops sneaking down here
[23:28:15] <renesis> canadian border officers are cute
[23:28:29] <CaptHindsight> and protect them from US
[23:28:56] <CaptHindsight> and I'm all for a border wall on the north side of Texas
[23:29:11] <pfred1> fences make for good neighbors
[23:29:22] <renesis> capthindsight: literally nothing there
[23:30:25] <Tom_L> walls make better climbers
[23:30:48] <CaptHindsight> has Santa showed up by yous yet?
[23:31:35] <CaptHindsight> https://www.noradsanta.org
[23:31:57] <pfred1> Tom_L if they can scale a 30 foot tall wall I say give them a shot
[23:32:40] <CaptHindsight> ohh ohh Santa is nearing Detroit
[23:32:52] <pfred1> I hope St. Nick is wel larmed
[23:32:57] <Tom_L> i'd rather see a few dozen gattling guns installed on the hilltops as a deterrent
[23:32:57] <zeeshan> Rab: https://youtu.be
[23:33:09] <zeeshan> see the whip on the opposite side
[23:33:11] <Tom_L> alot cheaper too
[23:33:15] <zeeshan> only happens with not enough pretension
[23:33:35] <pfred1> Tom_L the barrier is just there to give border patrol time to get in position
[23:34:41] <CaptHindsight> zeeshan: then don't bring it to Chicago, lots of pretension down here :)
[23:34:55] <zeeshan> :D
[23:36:13] <CaptHindsight> hey wait, Google has santa over Deleware and Norad over Ohio, somethins fishy
[23:36:44] <CaptHindsight> fake Santa?
[23:37:22] <CaptHindsight> https://santatracker.google.com
[23:37:59] <Rab> zeeshan, interesting.
[23:45:49] <CaptHindsight> zeeshan: drywall slicer?
[23:46:39] <Tom_L> wonder how often the bearings in those motors crap out
[23:47:15] <zeeshan> which motors
[23:47:21] <zeeshan> CaptHindsight: essentially lol
[23:47:36] <Tom_L> around 4:30
[23:48:18] <zeeshan> theyre are TEFC
[23:49:07] <zeeshan> but it is pretty rough for linear bearings to survive
[23:49:14] <zeeshan> especially they see direct dust all the time
[23:49:30] <zeeshan> that lifter platform that extends and retracts was already getting gummy
[23:49:42] <zeeshan> i need to make a dust deflector
[23:49:58] <zeeshan> they were running with poor dust collection for a while
[23:50:14] <CaptHindsight> whats making the annoying squeaking sound in the video?
[23:50:38] <CaptHindsight> as opposed to the non-annoying squeaking sound?
[23:50:59] <zeeshan> haha
[23:51:04] <zeeshan> i dunno prolly the saws
[23:51:16] <zeeshan> theres 2 saws, one that cross cuts and one that trims the edge
[23:51:25] <Tom_L> no sound here
[23:51:59] <CaptHindsight> I'd last about 10 minutes working there
[23:52:23] <zeeshan> haha i had to be there for 2 weeks!!!!!!!!
[23:52:29] <zeeshan> tuning that machine up
[23:53:12] <CaptHindsight> I'll play that for my neighbors next time they bring their yappy dog to work
[23:53:18] <zeeshan> haha
[23:53:24] <CaptHindsight> 110db
[23:53:38] <zeeshan> its funny, when the blades are brand new
[23:53:44] <zeeshan> you can barely hear it cutting
[23:53:47] <CaptHindsight> what, we are just working over here, whats the problem?
[23:53:53] <zeeshan> but 2 min later, they' sound exactly like the vid
[23:55:15] <Tom_L> are they toothed blades or more like a roller razor blade?
[23:55:26] <CaptHindsight> does the gypsum stick to the sides of the blades
[23:55:36] <Tom_L> i'd bet it does
[23:55:40] <zeeshan> theyre pretty much what you use in your table saw
[23:56:05] <zeeshan> nah, it pretty must turns into dust
[23:56:06] <zeeshan> and paper
[23:56:18] <zeeshan> majority of it is caught by the dust collection system
[23:57:51] <CaptHindsight> I'm supposed to be TIG brazing right now
[23:57:56] <CaptHindsight> but's xmas eve
[23:58:17] <zeeshan> what are you tig brazing
[23:58:25] <zeeshan> supposed to be that is
[23:58:41] <CaptHindsight> auto sheet metal
[23:59:01] <Tom_L> z, your lathe still sits idle?
[23:59:02] <pfred1> you need shield gas to TIG braze?
[23:59:10] <CaptHindsight> the holidays are all about finishing your car projects
[23:59:13] <zeeshan> Tom_L: yes
[23:59:19] <Tom_L> :(
[23:59:22] <zeeshan> haha
[23:59:26] <zeeshan> one day mate!
[23:59:27] <zeeshan> one day!
[23:59:32] <zeeshan> even my mill is apart
[23:59:39] <zeeshan> the horizontal tool changer is leaking
[23:59:53] <zeeshan> too many projects, little time ;[