#linuxcnc | Logs for 2018-11-28
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[01:23:27] <ChunkyPuffs> gloops where you at
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[01:31:30] <ChunkyPuffs> hey gloops
[01:31:42] <ChunkyPuffs> streaming, trying to cut out some major shit
[01:31:49] <ChunkyPuffs> gonna try and do 3mm passes on a tool
[01:31:56] <ChunkyPuffs> https://twitch.tv
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[01:36:39] <ChunkyPuffs> gloops, you said you do 2000 mm/min with a 3mm bit at 14k rpm?
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[01:52:04] <ChunkyPuffs> Tom_L, You still around? :D
[01:52:09] <ChunkyPuffs> I need to ask about chip rate
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[01:52:55] <ChunkyPuffs> https://www.cnccookbook.com
[01:53:23] <ChunkyPuffs> this thing, how do I find an ideal chipload for my bit?
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[01:57:33] <ChunkyPuffs> Tom_L, In fact, I think I'm starting to get it
[01:57:41] <ChunkyPuffs> how do I figure out what pass depth is best for my material?
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[02:23:04] <MarcelineVQ> ChunkyPuffs: it will depend on tool sitckout, machine rigidity, and how well the stock material is affixed. you will have to test it out to determine what's best for yours. I wouldn't recommend deeper than the endmill is wide for initial test runs. Start shallow and work your way up to what seems good with a few test cuts. listen to the cut, when you're getting too deep you can often hear a difference due to the vibrations being
[02:23:04] <MarcelineVQ> introduced from the tool deflecting
[02:33:13] <ChunkyPuffs> So the guess work is in only the passes you can do with a tool?
[02:33:23] <ChunkyPuffs> so 3mm vs 1mm per pass is guesswork, but everything else is science
[02:33:56] <MarcelineVQ> I don't understand the question
[02:35:57] <gloops> common sense approach - start with light cuts slow feed
[02:36:50] <gloops> 0.1mm pass, the lowest spindle speed practical, slow feed, 400mm/min
[02:37:30] <gloops> these calculators assume ideal conditions, totally rigid machine etc, this is a router
[02:47:37] <gloops> what will happen with deep/fast cuts, even though in theory the feed speed and cut is right (chipload) the machine wont be strong or rigid enough to hold the cut, it will vibrate and deflect causing the cut to be erratic and snap tools etc
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[03:02:56] <Deejay> moin
[03:12:14] <ChunkyPuffs> gloops, why are you suggesting that I wait days for my cuts to finish
[03:12:18] <ChunkyPuffs> I don't know what planet you're on
[03:12:52] <gloops> haha, youll soon be on the same planet im on
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[03:13:34] <gloops> you wont be cutting 3mm i dont think, or 1mm
[03:14:08] <ChunkyPuffs> Ijust successfully cut a piece out of 3mm passes, just fine, no worry whatsoever
[03:14:14] <ChunkyPuffs> I just succesfully planed at 2mm
[03:14:26] <ChunkyPuffs> although I don't feel comfortable at 2mm 2000mm/min
[03:15:16] <gloops> well ill concede on this occassion then
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[03:40:33] <CaptHindsight> https://www.crowdsupply.com
[03:41:05] <CaptHindsight> stepper drivers capable of driving up to four NEMA 17/23/34 motors at up to 4 A per motor
[03:41:17] <CaptHindsight> up to 16 micro-steps
[03:41:37] <CaptHindsight> $250
[03:42:13] <sensille> comes with grbl?
[03:42:26] <sensille> just for convenience, i guess
[03:43:01] <CaptHindsight> doesn't have any smarts except for the stepper drivers current limiting as far as I can tell
[03:44:10] <CaptHindsight> https://classbproject.com
[03:44:21] <sensille> that's what they say
[03:44:49] <sensille> but it's not really a bargain, why do they have to be that expensive?
[03:46:03] <CaptHindsight> https://www.automationtechnologiesinc.com
[03:47:32] <CaptHindsight> oh geez TB6600 drivers
[03:50:43] <gloops> yes the old faithful
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[03:51:06] <gloops> 4 in one driver has the drawback - one goes, the lot is kaput
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[03:51:48] <CaptHindsight> has a AVR opn board for GRBL and USB , oh noes
[03:51:59] <CaptHindsight> opn/on
[03:52:26] <CaptHindsight> goes back to zzz
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[05:07:54] <XXCoder> booyah
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[06:10:58] <Tom_L> morning
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[06:15:30] <XXCoder> hey tachoknight
[06:15:33] <XXCoder> er Tom_L
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[06:20:51] <jthornton> morning
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[06:22:20] <XXCoder> hey jt
[06:26:02] <selroc> aloha
[06:26:22] <XXCoder> hey
[06:26:40] <jthornton> warming up a bit today to 40F
[06:28:48] <jthornton> last two nights a hen has laid an egg from the roost
[06:29:27] <XXCoder> high 40s f all day and night. also rain all day and night
[06:30:18] <jthornton> wet and cold not any fun
[06:30:45] <XXCoder> yeah
[06:30:51] <XXCoder> got MASSIVELY splashed on way home
[06:31:06] <XXCoder> couldnt see for few 60 mph seconds
[06:31:41] <jthornton> yikes
[06:31:51] <XXCoder> yeah
[06:32:54] <jthornton> I spent all afternoon reverting reconciliations on my business accounts until I got back to June
[06:33:22] <jthornton> finally got them all reconciled... what a pia to have 4 accounts linked to each other
[06:33:32] <XXCoder> sounds fun
[06:36:47] <jthornton> after having my business account hacked through paypal I setup a buffer account that I use to receive transfers from paypal then I transfer out of that to a holding account the business account gets funds from the holding account because I've had it hacked through the debit card lol
[06:38:26] <XXCoder> ugh
[06:38:55] <jthornton> now I need to figure out a way to order from alexpress without using a regular bank account because they deny payment to them lol
[06:46:26] <gloops> dont talk to me about splashing lol, went through some water yesterday now van wont do more than 20 lol
[06:46:43] <XXCoder> doh
[06:49:28] <jthornton> electrical issue?
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[07:00:40] <_abc_> Hi. Does anyone know if pipe cutter wheels, hardened steel, can be relatively easily mounted on a bearing of some sort for machining (scoring) purposes?
[07:00:59] <_abc_> Things like these https://www.homedepot.com
[07:01:15] <_abc_> Obviously the original journal "bearing" is better ignored.
[07:02:50] <_abc_> Ahh they make them with ball bearings too - nice
[07:02:50] <_abc_> https://www.amazon.com
[07:02:56] <_abc_> SRZNGVDB
[07:02:58] <_abc_> eww
[07:03:09] <_abc_> https://www.amazon.com -- should work
[07:03:31] <jthornton> you don't have to post anything after /ref inclucing /ref
[07:04:04] <_abc_> So, has anyone attached such a wheel to a cnc to score/rut material with? There's usually an extra A axle motor to set the wheel angle orientation on the material.
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[07:04:25] <XXCoder> some spindle can set its position and hold
[07:04:36] <jthornton> wow that has a roller bearing, I've thought of using one to make a wire stripper
[07:04:37] <_abc_> I don't have such a thing.
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[07:05:33] <XXCoder> well theres another otion, just move around adjusted for rotating
[07:05:49] <XXCoder> possible have "strach sheet" used only for rotating it
[07:05:59] <_abc_> Trailing link like mode is used on some PVC cutters. Roland etc.
[07:06:15] <_abc_> That is not ok for heavy duty use normall. It can be used but it's a hack
[07:06:33] <_abc_> normally
[07:06:59] <_abc_> Ridgid is a big name in tools? I do not see anything from them in Europe.
[07:07:32] <_abc_> Okay so I know what to look out for.
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[07:46:31] <jthornton> wow I can use a GB per day for the rest of the month lol
[07:47:43] <Jymmm> jthornton: gone in sixty seconds
[07:47:44] <XXCoder> fancy
[07:48:18] <Jymmm> jthornton: Can't you rent a hilltop and toss up a cell repeater?
[07:48:35] <_abc_> Rent a hilltop?!
[07:49:04] <Jymmm> _abc_: Yes, that'show many transmitters are done commercially
[07:50:01] <XXCoder> jthornton: looked some into hui?
[07:50:17] <XXCoder> can it make some interactable stuff or is it just display data?
[07:50:18] <Jymmm> _abc_: https://en.wikipedia.org(California)#Television_on_Mount_Wilson
[07:51:19] <jthornton> lets see cell data for 3GB here cost as much as 10GB of sat data...
[07:52:12] <Jymmm> jthornton: $50/mo unlimted tmoble prepaid,
[07:52:32] <jthornton> yea if you have tmobile towers around
[07:52:59] <Jymmm> jthornton: Do you have a hilltop to test?
[07:53:55] <jthornton> test what
[07:54:00] <Jymmm> _abc_: hilltop antenna farm... https://upload.wikimedia.org
[07:54:07] <Jymmm> jthornton: coverage availability
[07:54:33] <jthornton> we have att and verison only here
[07:54:39] <Jymmm> jthornton: as I understand it, you are in a hole/valley, yes?
[07:55:03] <jthornton> sorta, I'm out in the wilderness lol
[07:55:48] <jthornton> only a few years ago we got a tower near enough to receive cell service here and with the tower only 2 bars but enough for texting lol
[07:56:47] <Jymmm> jthornton: Gotcha. Well if you can get to a hilltop, you could always toss up a hardware solution to extend coverage to you. It might cost $600 in hardware, then you could use cellular
[07:57:00] <jthornton> that's when I got rid of my cell booster antenna lol
[07:57:32] <jthornton> and get cellular from where? cali?
[07:57:54] <jthornton> I had an $800 cell booster mounted at the top of the hill...
[07:58:21] <jthornton> <jthornton> we have att and verison only here
[07:58:24] <Jymmm> and still only 2 bars?
[07:58:39] <Jymmm> and still only 2 bars WITH the booster?
[07:58:53] <jthornton> booster is long gone
[07:59:02] <Jymmm> why?
[07:59:15] <jthornton> don't need it anymore
[07:59:30] <Jymmm> since you got sat data ?
[07:59:34] <jthornton> and it only worked in the shop
[07:59:47] <jthornton> no I have a cell tower a few miles away now...
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[08:00:39] <jthornton> my neighbor tried every cell solution possible and gave up and went back to sat...
[08:01:01] <Jymmm> jthornton: have you considered getting all those gators to just hold up micro repeaters for ya?
[08:04:30] <Jymmm> Verizon is offering unlimied data prepaid for $65/mo, 8GB/$45mo
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[08:05:27] <XXCoder> 65 a month is pretty dang cheap
[08:06:22] <Jymmm> AND... he could sell service to his neighbors too
[08:09:35] <jthornton> my neighbor lives in a trashy trailer and does not have any money
[08:10:46] <Jymmm> jthornton: pay with goats?
[08:11:05] <jthornton> they don't have any livestock only kids
[08:11:24] <Jymmm> jthornton: free child labor?
[08:11:57] <jthornton> they are too fat to do any work lol
[08:12:05] <Jymmm> lol
[08:12:37] <Jymmm> well, they can split firewood and lose weight at the same time
[08:12:58] <Jymmm> ...and stack it too
[08:20:02] <XXCoder> call it woodteris
[08:20:20] <XXCoder> feee games till stack of uncut wood runs out
[08:20:39] <ChunkyPuffs> So, I'm cutting through 10mm at a time with a 3mm bit using adaptive clearing
[08:20:54] <ChunkyPuffs> the guy who works for autodesk seems confident in this method of using all the flute rather than just the tip of the flute
[08:21:04] <ChunkyPuffs> Well, used to.
[08:21:23] <ChunkyPuffs> This is basically a breakthrough, it's incredible.
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[08:34:20] <_abc_> is it?
[08:40:47] <gregcnc> adaptive is the answer to all world problems
[08:54:31] <jesseg> What is adaptive about it?
[08:55:05] <gregcnc> adaptive aka: high speed milling
[08:56:15] <jesseg> it may be too early for me to be attempting to think here... but I'm still not sure what's high speed or adaptive about simply doing a more shallow cut on a longer length of the bit..
[08:56:37] <jesseg> unless the high speed refers to the fact that there can be an improvement of productivity
[08:57:16] <jesseg> and maybe autodesk just needed some slick marketing jargon so they called it adaptive and high speed :D
[08:57:18] <gregcnc> that's basically it, but CAM alos calculates apprpriate entry and exit moves so as to minimize shock onthe tool
[08:57:30] <gregcnc> that's why you get the odd toolpaths
[08:57:48] <jesseg> Oh -- compiler style optimization for toolpaths?
[08:58:02] <jesseg> I can dig that.
[08:58:32] <jesseg> but I'd call it CSOFTP or simply HOTP - Highly Optimized Toolpaths :P
[09:06:38] <gloops> probably less stress on a 3mm tool bearing less force along the length than having all the force at the point levering on the collet?
[09:06:58] <gloops> whether any actual time is saved - youd have to time both
[09:07:47] <gregcnc> force is force
[09:08:29] <gloops> yes but spread
[09:08:33] <gregcnc> no
[09:08:40] <gloops> very different moment at the collet
[09:08:52] <gregcnc> does the collet care?
[09:09:03] <gloops> no but the tool does
[09:09:27] <gloops> if you have a 10ft crow bar fixed one end etc
[09:09:42] <gloops> 10lb on the tip - massive leverage
[09:09:56] <gloops> 1lb per foot - different matter
[09:09:58] <gregcnc> clearly, but if you load either to break the tool the tool is broken
[09:10:19] <gloops> oh yeah the tool will still snap at some point
[09:10:33] <gregcnc> one factor is tool wear. if you're using the whole flute, you use it all
[09:11:18] <gloops> yeah but you got to make more passes
[09:11:39] <gregcnc> I suggest you read up on it
[09:11:52] <gloops> i dont need it lol
[09:12:08] <gregcnc> if you want to talk about it
[09:12:24] <gloops> im learning by talking about it
[09:12:27] <_abc_> What type of steel is exhaust pipe made of?
[09:12:31] <_abc_> Stainless?
[09:12:35] <gloops> abc - crap
[09:12:38] <gregcnc> sometimes
[09:12:45] <gregcnc> whatever you pay for
[09:12:59] <gloops> mostly mild steel
[09:13:06] <_abc_> Let's assume it is not quite crap, but a piece of aftermarket kit bought on purpose, used
[09:13:21] <_abc_> Is it not high temp rated? Why is is known to be hard to weld?
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[09:13:36] <gregcnc> i wouldn't assume anything
[09:13:55] <gloops> i dont know of it being high temp or anything, manifold is different
[09:13:57] <gregcnc> what's the real question?
[09:14:10] <gloops> exhausts are hard to weld because theyre usually corroded
[09:14:35] <_abc_> I would like to make something which is exposed to high temps and use that material
[09:14:55] <gloops> water vapour from the inside, the elements from outside
[09:15:02] <_abc_> Yes.
[09:15:22] <gloops> someone at the steelos made one from copper - it sagged
[09:15:34] <_abc_> Aren't grooved bearings carrying a VV in the type name? I found one which has VV and no groves
[09:15:47] <gregcnc> groove?
[09:15:51] <_abc_> gloops: sagged under weight or from heat?
[09:16:00] <gregcnc> either or both
[09:16:03] <_abc_> gloops: VV DIN bearings are supposed to have a V groove
[09:16:11] <gloops> abc heat then its own weight probably
[09:16:15] <gregcnc> use the spec number
[09:16:36] <_abc_> I am looking online for a catalog/etc based on VV in the type
[09:17:02] <gloops> strange im about to weld an adaptor on an exhaust
[09:20:37] <gregcnc> i don't think there is a DIN spec for v guide bearings
[09:21:39] <_abc_> There is
[09:21:47] <gregcnc> what's the number?
[09:22:28] <_abc_> https://www.vxb.com
[09:23:14] <gregcnc> DIN xxxx
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[09:24:51] <Contract_Pilot> Sup.
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[10:03:47] <gregcnc> Contract_Pilot are you running a path pilot lathe?
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[10:06:31] <Contract_Pilot> Sort of put it on back burner last spring.
[10:07:00] <Contract_Pilot> Not much let to do to it minor tweaks.
[10:07:16] <gregcnc> ok I was trying to figure out if it had turning cycles like major controls
[10:07:31] <Contract_Pilot> Need to get some pulleys install limit switches and make a tool post.
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[10:32:45] <weenerdog> howdy
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[10:38:10] <jthornton> hay
[10:52:52] <jesseg> jthornton, hey you got chickens right?
[10:54:10] <methods_> he iz the chkn man
[10:54:59] <JT-Shop> jesseg: yes I have some hens
[10:55:21] <JT-Shop> did you know chickens don't cluck?
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[10:56:13] <jesseg> JT-Shop, well, in fact I did not know that, but we may have to define "don't" or "cluck" to continue this conversation
[10:56:29] <methods_> does anyone really give a cluck
[10:57:49] <jesseg> anyway I discovered something interesting.. if you take a freshly hatched chick and hold it in your hands and breath warm air into your hands to warm up the little bugger, he'll try to climb right into your mouth because it's warm and moist. I guess he thinks he's under his mommies wing LOL
[10:59:20] <JT-Shop> never tried that with a fresh chick
[10:59:44] <JT-Shop> they are amazing actually as they can sort out everything without a mom to teach them
[11:00:44] <jesseg> JT-Shop, what do you mean when you say chickens don't cluck, though?
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[11:01:56] <jesseg> I only tried it with one chick. But I tried it twice and it worked twice.
[11:02:28] <methods_> you're all a bunch of crazy mother cluckers
[11:02:40] <jesseg> on a roll there methods_ :D
[11:02:44] <methods_> heheh
[11:02:46] <methods_> i'm here all day
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[11:03:31] <Roguish> don't give up your day job....
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[11:05:32] <methods_> this is my day job sheesh
[11:05:45] <methods_> you're all a bunch of suckahs workin like slaves
[11:05:50] <gregcnc> it' what we pay him for
[11:05:54] <methods_> i tell chikn jokes professionally
[11:06:28] <methods_> i make $30,000 dollars a month......
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[11:07:35] <Roguish> cheap labor.
[11:07:54] <methods_> heheh
[11:07:56] <jesseg> JT-Shop, well anyway, chickens do make a sound which I always thought was "clucking." The roosters make it when they find a fresh pile of food and they do it to call the hens over for a snack, and the hens with chicks do it to talk to the chicks and show them where food is. It sounds like this: https://www.youtube.com
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[11:08:21] <jesseg> oh that video then goes onto cackling
[11:10:04] <JT-Shop> no rooster here lol he was a pain in the rear so he went to freezer camp
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[11:10:18] <JT-Shop> mine make all kinds of noises lol but never cluck
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[11:10:53] <jesseg> JT-Shop, are we thinking about the same thing though when we say "cluck?"
[11:12:25] <JT-Shop> yea the rooster in the video was clucking for sure
[11:12:30] <methods_> hahahah freezer camp
[11:12:41] <methods_> i'm addin that to my chicken joke book
[11:14:00] <jesseg> methods_, ok you heard about the parrot that had the vocabulary of a sailor? he was always cussing and his new owner was trying to train him not to - he tried everything from cold water to rolled up news papers and the old bird just cussed all the worse.
[11:14:13] <jesseg> So finally he put the bird in the freezer for a few minutes to cool down.
[11:14:19] <methods_> hehehehe
[11:14:28] <jesseg> Suddenly the cussing stopped. Worried that he'd killed the bird he quickly took it out.
[11:14:50] <methods_> don't leave me hanging
[11:14:53] <jesseg> The parrot was totally changed. Completely stopped cussing.
[11:15:01] <jesseg> All he said was "What did the turkey do?"
[11:15:05] <methods_> hahahahahah
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[11:15:09] <methods_> that's funny
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[11:17:38] <jesseg> methods_, did you hear about this guy who was installing a new carpet for an old lady?
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[11:18:38] <jesseg> As he was going about his job, he went to get his pack of cigarettes out of his pocket, but they weren't there, so he figured he'd left them in the truck. Not waiting to take the time to go get them he just kept on working.
[11:19:29] <jesseg> But as he went, he found a lump under the newly installed carpet. He figured it must be his pack of cigarettes, and not wanting to tear the carpet back up to get them, he just pounded them flat with his heel and kept on going.
[11:20:31] <jesseg> After he was all done, he headed out to his truck. But just as he was getting into the cab, two things happened simultaneously: He noticed his pack of cigarettes on the dash board, and he heard the lady calling out "Have you seen my parakeet?"
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[11:24:34] <Rab> 4 minutes, still no punchline
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[11:25:12] <jesseg> The punchline is that the thing he smashed flat under the carpet was the lady's pet parakeet bird
[11:25:34] <jesseg> but it was implied
[11:25:43] <jesseg> but I guess if I have to explain it, it's no good
[11:25:58] <Rab> I've owned a bunch of chickens, I'm positive I've heard hens cluck.
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[11:26:02] <phaxx> I liked it.
[11:26:22] <jesseg> Rab, yeah they do. when you feed them often.
[11:26:59] <Rab> It was a weird dynamic because we had way too many roosters (like 1:1).
[11:27:09] <jesseg> or when they have chicks. I saw a friend's hen sitting on eggs yesterday and I scratched her behind the years andshe was clucking
[11:29:05] <Rab> We also had a hen which switched genders--like, going from normal laying/brooding/chick raising behavior, to aggressiveness and humping other hens.
[11:31:11] <weenerdog> bok bok
[11:31:25] <Rab> boKOK
[11:32:36] <JT-Shop> yea I have one that liked to jump on other hens back and her name is Mable (Mean Ass Bitch le) but she stopped when the other hens started doing it back
[11:34:01] <Rab> haha
[11:36:49] <weenerdog> linuxcnc = linux chickuns n clucking
[11:37:25] <methods_> heheh
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[12:27:36] <weenerdog> i'm developing a love/hate relationship with fusion
[12:27:59] * JT-Shop skipped the love part and went directly to hate it
[12:28:03] <weenerdog> except without the love
[12:28:04] <weenerdog> lol
[12:29:13] <weenerdog> maybe i'll design my build in freecad
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[12:34:16] <Getty> XXCoder: i am an idiot, that card would never fit into that computer :D just by the power
[12:34:33] <Getty> XXCoder: but now i used that new card to upgrade another PC :D lol just dont know how to go from here
[12:36:44] <JT-Shop> Getty: XXCoder is asleep
[12:41:23] <Getty> JT-Shop: yeah he can read later, not important
[12:45:04] <Getty> i was really stupid to expect to put a high end gfx card in a pre-built dell computer, even tho if the connector fits
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[13:20:35] <JT-Shop> well all 70 parts are done deburring the 530 holes x 2 sides for 1060 holes to debur lol
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[13:26:53] <Getty> well, in worst case you just do it by hand <badumtss>
[13:27:40] <Getty> my dad actually drilled nearly everything by himself instead of using the CNC, because he said it was a good moment to think
[13:28:09] <Getty> he also made his boards by himself, good that all those chemicals are now gone ;)
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[14:45:47] <gregcnc> lol time to get rich https://youtu.be
[14:48:00] <syyl_> that guy is so full off himself
[14:48:21] <syyl_> yeah, fixture plates are a buisness idea
[14:48:35] <syyl_> because there are not enough people that are drilling holes in plate
[14:49:37] <CaptHindsight> have you met most uhmericans?
[14:49:44] <gregcnc> high end niche products made by people who have spent most of their waking hours trying to break into
[14:49:47] <syyl_> a hand full
[14:52:26] <gregcnc> though some of the things I see on instagram (other than new biax scrapers) that people make and sell for unheard of prices really blow my mind
[14:52:28] <CaptHindsight> youtubes are full of hardly know anythings making howto videos
[14:52:53] <gloops> i knew star wars would come in to it
[14:52:53] <gregcnc> that guy making titanium key caps...
[14:53:12] <syyl_> i love when they make a one off part
[14:53:23] <gregcnc> the guy with the golf club keychains...
[14:53:27] <syyl_> and think they need to push speed/feed/doc to absolute max
[14:53:38] <Rab> A fixture pallet system made in somebody's garage on a Shapeoko? Shut up and take my money!
[14:53:40] <syyl_> because otherwise the chinese will steal his job
[14:53:44] <CaptHindsight> time is money :)
[14:54:07] <gloops> what good is money with no time?
[14:54:34] <CaptHindsight> Rab: he has a video for that as well https://www.youtube.com
[14:54:42] <syyl_> how much time did i gain when my setup failes because of pushing everything? ;)
[14:55:09] <gregcnc> what does this nerd guy make? he has some product
[14:55:12] <syyl_> heavy duty aluminum!
[14:55:19] <syyl_> oh boy
[14:55:34] <CaptHindsight> gregcnc: videos for makers
[14:55:47] <syyl_> am i elitist for thinking that tooling out of aluminium is disposable? ;)
[14:56:11] <CaptHindsight> syyl_: depends on your perspective
[14:56:13] <gregcnc> sometimes that is the point
[14:56:28] <CaptHindsight> if you let hardly know anythings define you then maybe
[14:56:37] <Rab> First comment on that second video: Jan Detlefsen 2 months ago What are you guys actually producing?
[14:57:24] <syyl_> that unboxing video is as useless as
[14:57:25] <syyl_> um
[14:57:27] <syyl_> dont know
[14:57:53] <CaptHindsight> syyl_: what if you have never opened a box before?
[14:58:11] <syyl_> i think most humans can adapt to that concept pretty fast
[14:58:22] <syyl_> using a sharpened rock to slice open something
[14:58:24] <Rab> What if you've never sat through 30 seconds of Haas splash screens before?
[14:58:28] <CaptHindsight> deserves a video howto :)
[14:58:59] <syyl_> i will do videos on trivial things too
[14:59:11] <syyl_> but man. unboxing without checking anything on it?
[14:59:20] <CaptHindsight> how to not miss the bowl when relieving yourself
[14:59:28] <syyl_> throw it on a surface plate and run a indicator over it
[15:01:26] <CaptHindsight> which shoe or sock do you put on first?
[15:01:44] <CaptHindsight> lets move on to the important questions
[15:02:03] <syyl_> :D
[15:02:41] <CaptHindsight> why are all the videos on how to use some software applications always using some version that only they have or with mysterious plug-ins?
[15:03:05] <CaptHindsight> or they don't edit out their mistaken mouse clicks
[15:03:40] <syyl_> or edit at all
[15:03:44] <CaptHindsight> I watched >10 videos on inkscape to g-code examples
[15:03:50] <syyl_> haha
[15:03:53] <syyl_> a world of pain
[15:03:59] <CaptHindsight> before I just tried stuff
[15:05:19] <Rab> Quality comment: https://www.youtube.com
[15:05:44] <CaptHindsight> yeah, no good docs, but it does work once you get the hang of how they thought about it
[15:06:08] <CaptHindsight> Russian to English docs didn't help much
[15:06:44] <CaptHindsight> http://www.scorchworks.com this dev is interesting
[15:06:53] <Rab> I started with the just try stuff...I only know how to do one thing in gcodetools as a result, but I sure know how to do it, and I'm terrified to deviate.
[15:07:21] <CaptHindsight> he doesn't have much for tools but his software works
[15:07:29] <CaptHindsight> and he doesn't use github
[15:08:17] <CaptHindsight> Rab: I spent a few days just trying things...
[15:09:01] <CaptHindsight> the frustrating things is that you get no feedback or missleading feedback when converting objects to paths and then paths to g-code
[15:09:44] <LeoNerd> inkscape->gcode is almost universally terrible, I find
[15:09:52] <gregcnc> this appears to be him. looks like he's vacuum forming the bodies
[15:09:55] <gregcnc> http://rawspeedrc.com
[15:10:02] <LeoNerd> No decent plugins for generating it directly. inkscape's DXF output is rubbish, so no luck there either
[15:10:27] <LeoNerd> jscut.org isn't *too* bad but it's not great for doing anything repeatably, and it takes a long time of lots of manual clicking to get any useful results
[15:11:33] <Rab> CaptHindsight, I've learned to inspect objects/paths in "Edit paths by nodes" mode, saves a ton of heartache. As for gcode feedback...don't you get the gcode path preview overlay?
[15:12:40] <CaptHindsight> Rab: yes but maybe it's my version of Inkscape when I select an object I often get not object selected when running convert to paths yet the paths show up
[15:12:48] <CaptHindsight> not/no
[15:13:02] <Rab> The little lines and arrows pop up on the screen after running path to gcode: http://reboots.g-cipher.net
[15:14:03] <CaptHindsight> Rab: if successful I get those as well, but I'll also get blank g-code output with divide by zero as an error
[15:15:07] <CaptHindsight> http://www.scorchworks.com
[15:15:20] <CaptHindsight> generates g-code to cut depth
[15:15:20] <CaptHindsight> based on a gray scale image darkness or lightness
[15:15:36] <CaptHindsight> this is the one that comes included with LCNC
[15:16:36] <CaptHindsight> Rab: do you use it to engrave just the outlines or also all the fills?
[15:16:46] <Rab> CaptHindsight, might be worth your while to mess with the options in the Path to Gcode and Preferences tabs of the plugin, particularly making sure that 'Minimum arc radius' is something sane.
[15:17:16] <CaptHindsight> is 0.000001mm asking too much :)
[15:18:22] <Rab> CaptHindsight, I've tried to do automatic fills. I've done fills the hard way, i.e., laying down a bunch of paths the width of the tool to cover an area.
[15:18:30] <CaptHindsight> I was looking all this over before writing some 5-axis CAM for CNC inkjet and airbrush
[15:18:37] <Rab> uhh make that "I've never tried to do automatic fills"
[15:20:02] <CaptHindsight> the interesting part I need to write is "tools" for airbrush since it's variable like a V-shaped cutter
[15:20:21] <Rab> CaptHindsight, have you looked at the Eggbot print driver for Inkscape? Seems like it might be very similar in concept.
[15:21:50] <fragalot> syyl_: moral of the story: never trust a youtuber.
[15:21:55] <syyl_> yes
[15:21:59] <syyl_> agreed
[15:22:00] <CaptHindsight> open the nozzle 0.05mm and you get a .2mm line, 0.1mm and .5mm line etc
[15:22:06] <syyl_> and yes i know that i am part of the problem :D
[15:22:10] <Rab> I haven't delved into it at all, but supposedly the purpose is to warp a rectangle over the surface of an egg (and then draw it with the EggBot). https://github.com
[15:22:47] <CaptHindsight> Rab: yes, saw that
[15:23:21] <CaptHindsight> rab scortshworks will do that
[15:24:13] <CaptHindsight> Rab: https://imgur.com cnc airbrush on contoured parts
[15:25:36] <syyl_> speaking of youtube
[15:25:36] <Rab> CaptHindsight, are you moving Z-axis to match the contour for consistent line width?
[15:25:42] <syyl_> grimsmo has a new video
[15:25:49] <syyl_> they always seems so funny clueless
[15:26:32] <CaptHindsight> Rab: the airbrush can vary the line width by modulating the needle valve, it will be 5-axis
[15:26:47] <CaptHindsight> as well as adjusting the nozzle air pressure
[15:27:55] <Rab> CaptHindsight, 5-axis motion? So you will also be able to draw lines down the sides of the contours? :)
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[15:28:10] <CaptHindsight> Rab: yes
[15:28:29] <Rab> CaptHindsight, sounds non-trivial but excellent.
[15:28:32] <CaptHindsight> the line widths are continuously variable
[15:28:49] <CaptHindsight> well from 0.15mm to ~25mm
[15:29:21] <CaptHindsight> am able to spray lines at 1m/sec
[15:29:45] <CaptHindsight> so coloring an egg would be a few seconds
[15:30:45] <Rab> CaptHindsight, can you reliably turn the airbrush on/off entirely? Like, without blobs or other artifacts at the line ends?
[15:30:59] <CaptHindsight> yeah
[15:31:09] <fragalot> if you use good quality valves in the right locations, sure
[15:31:21] <CaptHindsight> https://i.imgur.com
[15:31:23] <MarcelineVQ> can you vary the paint and air independently?
[15:31:26] <fragalot> we run our spray nozzles at up to 250Hz
[15:31:29] <Rab> I guess that's happening in the pics, although looks like there's some dwell in a few places.
[15:31:34] <MarcelineVQ> Because you could auto-paint the shit out of a model if you could
[15:31:56] <CaptHindsight> yeah, that was trying inksacpe and g-code tools with some hand editing
[15:32:06] <Rab> Yeah, this would be awesome for model graphics.
[15:32:32] <CaptHindsight> custom (low volume) parts
[15:33:22] <CaptHindsight> vs in mold labelling/decorating
[15:33:34] <CaptHindsight> also for anodizing graphics
[15:33:43] <Rab> ooo yeah
[15:34:03] <CaptHindsight> http://i.imgur.com
[15:34:56] <CaptHindsight> targeting something like a gun stock, receiver and barrel in a minute or two
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[15:35:36] <MarcelineVQ> What's the common method for that sort of thing? permanent decals?
[15:36:08] <CaptHindsight> I've been doing this with inkjet for several years but inkjet can't handle recesses over 2mm
[15:36:08] <Rab> Looks like that gun was hydrodipped: http://www.hydrodip.com
[15:36:58] <CaptHindsight> Rab: yeah so it's not anodized, so it will come off pretty easilt
[15:37:27] <Rab> I wondered how robust that film was.
[15:37:35] <CaptHindsight> it's not
[15:37:41] <CaptHindsight> you have to overcoat
[15:37:43] <fragalot> that's why they typically clear coat it
[15:37:53] <CaptHindsight> but you can put a clear powder coat over
[15:38:07] <Rab> I guess there are serious indelible airbrush inks?
[15:38:18] <CaptHindsight> you can airbrush powdercoat as well
[15:38:37] <CaptHindsight> for anodize you print into the pores before sealing
[15:39:03] <CaptHindsight> so the aluminum gets anodized but before sealing you print into the nanopores, then seal
[15:39:27] <Rab> Let me guess, next project after/during 5-axis CAM is multiple brush heads? ;)
[15:39:46] <CaptHindsight> one brush, 4 color CMYK
[15:39:57] <CaptHindsight> for in the nozzle blending
[15:39:59] <Rab> You can mix in the airbrush?
[15:40:07] <Rab> wow
[15:40:10] <CaptHindsight> there is a spot color airbrush
[15:40:14] <fragalot> how long does it take to change colors?
[15:40:18] <CaptHindsight> let me find the link
[15:41:08] <CaptHindsight> https://www.madisonartshop.com
[15:41:20] <CaptHindsight> they just have a valve that swaps color lines
[15:41:49] <CaptHindsight> so it's at least a few mL between color changes
[15:42:05] <CaptHindsight> rather several mL
[15:43:04] <Rab> Silentaire needs to take some better product photos.
[15:43:04] <fragalot> I wonder if they have a cleaning liquid in between to flush the old color through without wasting ink
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[15:43:43] <CaptHindsight> fragalot: I don't have one but I have heard that it just wastes ink between changes
[15:43:45] <Rab> All the vendors are using the sorry graphic on this page: https://www.silentaire.com
[15:43:55] <CaptHindsight> ink is cheap to make, well many inks
[15:44:25] <fragalot> perhaps, but it still feels "wrong" :)
[15:44:45] <CaptHindsight> yeah wasn't their goal
[15:45:17] <CaptHindsight> I'm still working on the 4-color brush
[15:45:46] <CaptHindsight> no waste for color changes is the goal
[15:46:39] <fragalot> no waste will not be possible if you want them to actually mix, but it is possible to minimize it so much that you could potentially hide the changes under the dark spray areas
[15:46:48] <CaptHindsight> or rather have continuously variable color
[15:47:38] <CaptHindsight> if you have dark areas you can hide them in or you just make a rapid to the gutter and dump ink
[15:47:53] <fragalot> yup
[15:48:55] <CaptHindsight> single nozzle inkjet off the shelf runs at up to ~1200 drops/sec
[15:49:00] <fragalot> I wonder how clean you can get the nozzle in between colors if you air blast it into the gutter first
[15:50:30] <fragalot> inkjet is a pretty neat tech, unless if you use electrostatic deflection on it, and you are the technician that needs to align it
[15:50:52] <CaptHindsight> continuous inkjet
[15:50:55] <CaptHindsight> CIJ
[15:53:17] <CaptHindsight> I used some diesel fuel injectors a few years ago
[15:53:42] <fragalot> fuel injectors work really well, but they do NOT like water
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[16:07:03] <CaptHindsight> Rab: 5-axis machines aren't cheap, so not sure if it's for the hobby market
[16:07:52] <CaptHindsight> I guess you could use a cheap chinaco 5-axis
[16:11:40] <CaptHindsight> https://www.automationtechnologiesinc.com
[16:14:42] <CaptHindsight> https://www.automationtechnologiesinc.com
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[16:40:29] <CaptHindsight> https://imgur.com anodize with inkjet
[16:41:09] <CaptHindsight> you can see in the t-slot that inkjet can't reach more than a couple mm into a recess
[16:47:57] <Deejay> gn8
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[16:57:07] <CaptHindsight> who makes a decent drill press these days for sale in the US?
[16:58:19] <CaptHindsight> https://www.mscdirect.com
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[17:10:17] <syyl_> powermatic?
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[17:26:32] <JT-Shop> msc is proud of that drill press
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