#linuxcnc | Logs for 2019-04-12
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[02:56:03] <Deejay> moin
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[03:12:30] <rmu> _unreal_: yes
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[03:46:53] <_abc_> Hi. Moving from 2.7 to 2.8, axiz 2 (Z) has home sw and home position high on Z, at +60mm or so, and is set accordingly in the .ini file. But in 2.7 I had to use negative home seeking verlocity for this, in 2.8, it has to be positive to work? Has this changed or am I confused by stepconf generated files I edited?
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[05:07:22] <XXCoder> man
[05:07:28] <XXCoder> work have been pretty bad todayu
[05:07:39] <XXCoder> i ran very very very hard metal parts
[05:07:44] <XXCoder> and program was shit
[05:07:51] <XXCoder> machine was shit
[05:07:55] <XXCoder> I was shit
[05:07:57] <XXCoder> shit.
[05:08:09] <XXCoder> kidding on third one but it wasnt great
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[05:28:29] <Deejay> re
[06:00:12] <Tom_L> morning
[06:00:58] <XXCoder> mornings
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[06:03:46] <jthornton> morning
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[06:04:58] <XXCoder> hey jt
[06:05:07] <XXCoder> man today sucked heh
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[06:07:20] <jthornton> why is that?
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[06:09:17] <XXCoder> can you read up in history?
[06:09:50] <jthornton> yea, just woke up so a bit slow
[06:11:09] <XXCoder> man
[06:11:19] <Tom_L> jthornton, looks like your start radius is about .029 larger than mine
[06:11:36] <XXCoder> at end i took 7-8 hours to make 26 parts that should total 2 hours
[06:11:42] <XXCoder> endless problems
[06:11:44] <Tom_L> and near as i can tell the end is .0165
[06:12:03] <Tom_L> but it's hard to tell
[06:12:34] <jthornton> are you doing a 180° start arc?
[06:12:46] <Tom_L> i rotated my model
[06:13:01] <Tom_L> so x is 0
[06:13:06] <Tom_L> and y is -xxx
[06:13:08] <jthornton> also the tool edge is 0.020" from the id of the hole
[06:13:31] <Tom_L> http://tom-itx.no-ip.biz:81
[06:13:31] <jthornton> at the start of the arc
[06:13:33] <Tom_L> http://tom-itx.no-ip.biz:81
[06:13:46] <Tom_L> that's partially why i'm not certain
[06:14:31] <Tom_L> and your's has 3 G3 per turn instead of the 1 on mine
[06:15:41] <jthornton> should be 1 G3 for the threads and 1 for lead in and 1 for lead out
[06:16:02] <Tom_L> i wondered about that. i did a linear move instead
[06:16:14] <Tom_L> yours is technically more correct
[06:17:03] <jthornton> eww line numbers lol
[06:17:24] <Tom_L> :)
[06:17:34] <Tom_L> i left them in when i was working on my post
[06:18:38] <Tom_L> i'm just used to them. we always left them in
[06:19:10] <Tom_L> the programmer and operator could communicate edits easier
[06:19:23] <jthornton> hard to compare when they are not at the same zy coordinate lol
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[06:19:55] <Tom_L> yeah
[06:20:33] <Tom_L> maybe later i'll rotate it _and_ lower it and repost
[06:21:06] <jthornton> you have 3 passes all even amounts of step over
[06:21:21] <Tom_L> right and on that one i did a spring pass
[06:22:07] <Tom_L> http://tom-itx.no-ip.biz:81
[06:22:17] <Tom_L> there's before i changed the model
[06:22:23] <jthornton> I guess you assume your out of the hole when finished?
[06:22:35] <Tom_L> ?
[06:22:42] <Tom_L> i didn't copy the leadout
[06:23:14] <jthornton> to be safe I have a lead out move in case I'm cutting threads on the far side
[06:23:26] <Tom_L> oh, on the last pass i just block copied it
[06:23:43] <Tom_L> the 3rd one has it
[06:23:54] <Tom_L> but yes i knew it was clear of the hole
[06:24:04] <jthornton> I need to edit it so you can pick the xy location
[06:24:20] <Tom_L> it's handier
[06:24:25] <jthornton> and the z start along with the number of threads
[06:24:48] <Tom_L> but when i do external it goes the opposite direction so i have to move it in z
[06:25:15] <Tom_L> my z lead in is 1 thread above the helix start
[06:25:39] <Tom_L> you plunge to z then feed over to the helix
[06:26:03] <Tom_L> until i proved the macro i didn't care to plunge into the abyss
[06:26:22] <jthornton> sure I understand that
[06:27:55] <Tom_L> i'm just guessing but i think we're about .010" off
[06:28:06] <Tom_L> but
[06:28:14] <Tom_L> i wanted a snug thread on the spindle too
[06:28:26] <Tom_L> my 'gage' is a bolt
[06:29:19] <jthornton> what size is the thread?
[06:29:28] <Tom_L> UNF
[06:29:30] <Tom_L> 16
[06:29:38] <Tom_L> 3/4
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[06:31:33] <jthornton> I still have a few tweaks to make on mine
[06:31:41] <abcabc__> hi,did the .ini homing velocity sign for home on +coord change from 2.7 to 2.8 git?
[06:31:54] <Tom_L> so do i but i've been distracted
[06:32:46] <Tom_L> spent all of sunday working on books
[06:32:46] <abcabc__> for same setup i need -v for 2.7 and + for 2.8
[06:33:21] <Tom_L> abcabc__ i didn't have to change mine
[06:33:32] <jthornton> me either
[06:33:39] <abcabc__> hm
[06:34:40] <Tom_L> jthornton, i'll be able to mess with it later this afternoon if you want me to move the model around and post it again
[06:35:53] <Tom_L> that's one that _has_ been run
[06:39:23] <jthornton> I'll add xy location so the location can be the same
[06:39:31] <jthornton> which one did you run?
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[08:16:03] <Tom_L> the original is x+ y0 on the start of the helix
[08:16:06] <Tom_L> http://tom-itx.no-ip.biz:81
[08:16:34] <Tom_L> there are 2 examples there
[08:18:44] <Tom_L> with X0 Y0 as the arc center
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[12:37:37] <Loetmichel> *hmmpff* the BMW starts to get on my nerves... right xeonon lamp just went dead. still ran yesterday... maaan, why me? (because thats what happens when you buy a 2001 BMW 525i touring with 243000km on the odo for 2100 eur, dummie!)
[12:39:58] <jthornton> https://youtu.be
[12:41:10] <jthornton> that's only 151,000 miles barely broken in
[12:46:17] <tiwake> BMWs are crap
[12:46:24] <tiwake> expensive crap
[12:52:37] <Loetmichel> jthornton: indeed, the engine is good. but the exhaust isnt. and the electrics seem to have the one or other problem as well
[12:53:14] <Loetmichel> the overhead light and card reading lights flicker, too
[12:54:51] <Wolf__> at least its not a mercedes…
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[13:52:52] <gregcnc> https://youtu.be
[13:56:46] <gloops> probably sell for a lot more than wooden bowl, to some swanky place for a wedding or something
[14:00:47] <Tom_L> jthornton what's the code look like now?
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[14:08:33] <CaptHindsight> someone report that German child to the authorities for doing something fun vs practical
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[14:21:51] <CaptHindsight> self leveling way scraping spray
[14:26:19] <tiwake> CaptHindsight: started a new job
[14:26:31] <tiwake> this week was my first week working there
[14:26:52] <tiwake> working with CNC machines again... its rather nice
[14:29:19] <Rab> CaptHindsight, 1 part moglice : 100 parts epoxy solvent?
[14:30:56] <CaptHindsight> tiwake: what were you doing all this time before?
[14:31:24] <tiwake> CaptHindsight: manual machining in an electric motor repair company
[14:31:32] <tiwake> for 2.5 years
[14:32:15] <tiwake> I've done lots of both for a lot of years, so I don't have a lot of preference... just doing one thing a lot gets old
[14:32:34] <tiwake> well, a lot meaning 12 years or so
[14:34:04] <CaptHindsight> yeah, sometimes I get tired of something before I even start
[14:34:20] <tiwake> its a CNC machine job shop too, so lots of new parts, lots of setups, with a decent balance of production too
[14:34:46] <CaptHindsight> I'd never be able to do the same thing for very long
[14:34:59] <tiwake> no kidding
[14:35:38] <CaptHindsight> some people like consistency
[14:35:51] <CaptHindsight> same food, same job, same schedule
[14:35:53] <tiwake> consistently different
[14:36:45] <CaptHindsight> is it hot and humid down there yet?
[14:37:12] <tiwake> it does not really get humid here this far north texas
[14:37:35] <CaptHindsight> been jumping between the best weather (60's F and sun, no bugs) and 30 with flurries and high winds
[14:37:59] <tiwake> today I'm wearing my sweatshirt actually... supposed to warm up to 70's starting sunday for the rest of the week
[14:38:00] <CaptHindsight> 50+ mph winds today
[14:38:17] <CaptHindsight> 40's F but sunny
[14:38:26] <tiwake> CaptHindsight: you should move out here
[14:38:33] <tiwake> everything is better :3
[14:38:44] <CaptHindsight> it was glorious to be outside with no bugs in sight
[14:38:50] <mozmck> it was almost 90 F here a couple days ago - just balmy!
[14:39:26] <mozmck> tiwake: where in NT?
[14:39:39] <CaptHindsight> mozmck: where are you? Brazilian rain forest?
[14:39:45] <mozmck> north texas
[14:40:20] <mozmck> as tiwake said though, a bit chilly today :-0
[14:40:21] <gregcnc> there is north and south texas now, what happened?
[14:40:31] <CaptHindsight> I considered Austin at one time...
[14:40:41] <tiwake> mozmck: what part?
[14:40:51] <tiwake> oh, right you are a bit above DFW arnt you
[14:41:11] <mozmck> yeah, north of McKinney about 25 minutes
[14:41:24] <tiwake> lubbock is a fair bit west from there, much better weather
[14:41:47] <gregcnc> dang, chatching up on everything I was supposed to do during the week isn't working
[14:41:49] <mozmck> Ah, colder in winter, dryer... I like more water.
[14:42:06] <CaptHindsight> dry and warm is a possibility, no more heat and humidity for me
[14:42:25] <mozmck> Austin is pretty dry
[14:43:04] <CaptHindsight> but with all those central americans waiting just south of the border i would not feel safe :)
[14:43:15] <tiwake> CaptHindsight: you would like lubbock
[14:43:47] <methods_> it's a national emergency!!
[14:44:07] <CaptHindsight> oh noes!
[14:44:26] <methods_> someone send in the army to save all those texans
[14:44:31] <Rab> mozmck, dry compared to Houston, New Orleans, Honolulu...?
[14:45:25] <CaptHindsight> gregcnc: actually met 2 people from Kuwait in town here the other day....
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[14:46:09] <CaptHindsight> gregcnc: they were shocked that i knew where it was and that they were speaking Arabic...
[14:46:11] <gregcnc> visiting or living here?
[14:46:17] <CaptHindsight> living
[14:46:23] <Rab> Austin is finished, not even a shotgun shack for under $400K and you have to dodge Teslas and e-scooters everywhere you go.
[14:46:28] <CaptHindsight> no police were called
[14:47:27] <gregcnc> i think people around here don't mind much
[14:47:38] <tiwake> Rab: https://www.youtube.com
[14:47:51] <tiwake> also mozmck ^^
[14:48:54] <CaptHindsight> lol the video
[14:53:06] <CaptHindsight> https://www.practicalmachinist.com
[14:53:16] <Tom_L> Rab, dunno if you saw this from yesterday: http://tom-itx.no-ip.biz:81
[14:53:29] <tiwake> CaptHindsight: the place I work at new does a lot of monel machining
[14:53:40] <tiwake> s/new/now
[14:53:56] <CaptHindsight> tiwake: for electronics or??
[14:54:01] <tiwake> donno
[14:54:12] <CaptHindsight> what do the parts look like?
[14:54:17] <tiwake> donno
[14:54:19] <tiwake> lol
[14:54:42] <tiwake> I see a lot of monel materal, and people taking about monel parts and how annoying it is to machine
[14:55:03] <tiwake> never worked with the stuff myself... yet
[14:55:55] <Rab> Tom_L, I missed it, thanks for the (re)post!
[14:56:01] <CaptHindsight> https://www.mscdirect.com
[14:56:21] <CaptHindsight> https://www.youtube.com
[14:57:19] <Rab> Tom_L, I did find this one, the double-headed design looks about right: http://mcgillmfg.com
[14:58:08] <CaptHindsight> "I keep a large bucket of ice cold water to pour on those considering projects that may be within enthusiasm but possibly beyond their present ability. Abilities and skills have to be developed like muscle tissue and that can be done only by doing "
[14:58:19] <Tom_L> i saw those yesterday but wasn't sure how well they worked
[14:58:30] <Tom_L> the double one is very similar to what i drew
[14:58:48] <Rab> Unfortunately it would need to be open on one side, because there's a signal cable threaded through the rods. But maybe that puller could be rebuilt with just a serious piece of plate on one side.
[14:58:54] <Tom_L> probably better since it's like a cam
[14:59:21] <CaptHindsight> is that used for pulling conduit over wires already in place?
[14:59:59] <Rab> CaptHindsight, no, for pulling well pipe. It'd be pretty heavy-duty for conduit.
[15:00:27] <Tom_L> that last 'hook' one is a jome
[15:00:29] <Tom_L> joke
[15:01:52] <Rab> They claim 3000lbs+. It's hard to gauge from the pix, but it could be 1/2" plate.
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[15:02:30] <Tom_L> i'm pretty sure i exceeded that by quite a bit pulling my well pipe
[15:02:51] <Rab> The rods we use thread flush with no coupler, so unfortunately there's no feature to catch like with that type of pipe.
[15:03:00] <Tom_L> but it hadn't been pulled since i put it there
[15:03:29] <Tom_L> is it just the weight of the pipe you're pulling or are they stuck in dirt?
[15:04:11] <Rab> Our 1m rods are 14lbs, which is lighter than I thought...40m would be 560lbs dead weight. There's some resistance from the soil and sometimes the sensor packages are a bigger diameter than the rod size, though.
[15:04:34] <Tom_L> but it's not hard packed
[15:04:47] <Tom_L> the well had been in there for a good 25 yrs
[15:05:53] <Rab> Soil composition varies, sometimes it's wet clay which can exert a fair amount of pressure esp. since it's already been displaced by ramming the rods.
[15:06:04] <Tom_L> a chain by itself can pull quite a bit if it's wrapped over itself a few times
[15:06:42] <Tom_L> but they do tend to slip once in a while
[15:07:01] <Rab> Our ram only has 1m worth of stroke, so we have to move down every time a rod comes up.
[15:07:37] <Rab> So chain arrangement would be a time sink, and possibly a safety hazard.
[15:07:56] <Tom_L> one of those yellow ones with the double cam would be ideal. you could mod one side with a slot so you could flip it open to move the wires
[15:09:21] <Tom_L> data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAkGBw8NDQ4ODQ0PDQ0NEg0VDQ4PDw8NERIQFREWFxUSExMYHSggGBolGxMVIT0hJSk3Li4uFx8zODMtNygtLisBCgoKDg0NDw0PEi0ZFRkrLSsrKzc3LS0rKys3KysrKysrLS0tKy0rKysrKysrKysrKysrKysrKysrKysrKysrK//AABEIAOEA4QMBIgACEQEDEQH/xAAbAAEAAgMBAQAAAAAAAAAAAAAAAQYDBQcEAv/EAD0QAAICAQEGAwQHBwIHAAAAAAABAgMEEQUGEiExQRNRYSIycZEUI0JScoGxFTNikqHB0VPwJENUVYKD0v/EABUBAQEAAAAAAAAAAAAAAAAAAAAB/8QAFhEBAQEAAAAAAAAAAAAAAAAAABEB/9oADAMBAAIRAx
[15:09:23] <Tom_L> wow
[15:09:29] <Tom_L> what about something like that
[15:09:41] <Rab> I thought about rigging up a couple of opposing pipe wrenches; that's what we use to keep the rod from slipping below the surface anyway. But that sort of side load is definitely outside their scope of operation, and AFAIK pipe wrenches are cast iron...might snap and thwack somebody.
[15:11:12] <Rab> Tom_L, link doesn't work for me. I guess the browser has to have the resource loaded already.
[15:11:23] <Tom_L> https://d3vxa2wxxeijf4.cloudfront.net
[15:11:30] <Tom_L> yeah that was a bad link
[15:12:28] <Rab> Chinese finger trap technology?
[15:12:33] <Tom_L> yeah
[15:13:27] <Tom_L> https://www.cablegrip.com
[15:13:33] <Tom_L> 2nd one there has 2 pulls
[15:14:26] <Rab> The bigger ones look serious, but not sure how the signal cable escapes from that.
[15:15:40] <Tom_L> just thinking out loud.
[15:16:44] <Rab> I'm still thinking about designing my own. McMaster-Carr has cute little hydraulic cylinders with a threaded OD which would be a good fit, and gripping studs. Off-the-shelf (and no power required) would be great though.
[15:17:47] <Tom_L> how long would you be there pumping on a hydraulic cylinder before you got it out?
[15:19:37] <Rab> We use a hydraulic ram on a truck to push the rods and pull them out, so there's already hydraulic power available.
[15:19:47] <Tom_L> ok
[15:21:42] <Rab> We are doing something similar to this: https://en.wikipedia.org
[15:24:10] <Rab> Here's what's inside the type of truck pictured. It's a high tech fancy thing that threads and pushes/pulls the rods with minimal operator interaction. Air conditioning and so on. We are not so luxuriously appointed. https://www.apvandenberg.com
[15:25:29] <Tom_L> well the. i'd go for the ac truck first!
[15:25:33] <Tom_L> then*
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[15:35:05] <Elmo40> mobile testing?
[15:35:09] <Elmo40> that looks cool
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[15:45:13] <SpeedEvil> ====================================================================================================
[15:53:21] <CaptHindsight> SpeedEvil: my screen is too fuzzy, was that a flood of =?
[15:54:00] <Jymmm> CaptHindsight: >>><<><><<<><><><><><<<<><<>><><><><>>>>><<<><><><>>><><<><><>
[15:54:30] <CaptHindsight> omg!
[15:55:38] <CaptHindsight> I'm all for using only expressions in here for the day that a 13 year old would use
[15:56:05] -!- syyl has quit [Quit: Leaving]
[15:57:16] <SpeedEvil> Sigh.
[15:58:08] <CaptHindsight> or worse, IRC with emojis
[15:59:04] <CaptHindsight> https://999ktdy.com
[15:59:39] <methods_> 🍆
[15:59:50] <skunkworks> ¯\_(ツ)_/¯
[16:00:01] <methods_> ^^
[16:00:46] <skunkworks> Found the smell in the fridge!
[16:00:46] <methods_> ಠ_ಠ
[16:00:47] <methods_> <|>
[16:00:50] <methods_> /ω\
[16:01:07] <Elmo40> I use Hexchat. I don't see 'emojis'.
[16:01:18] <CaptHindsight> skunkworks: I found one earlier today
[16:01:21] <methods_> the balls of disapproval
[16:01:27] <Elmo40> O_o
[16:01:37] <skunkworks> (angry oranges...)
[16:02:54] <CaptHindsight> 🐉
[16:03:23] <CaptHindsight> oh sorry meant 🎉
[16:04:14] <Jymmm> CaptHindsight: telnet://towel.blinkenlights.nl
[16:04:45] <CaptHindsight> time for a hike, bbl
[16:06:03] <skunkworks> log
[16:06:04] <c-log> skunkworks: Today's Log http://tom-itx.no-ip.biz:81
[16:10:20] <CaptHindsight> https://www.netpris.net
[16:10:34] <CaptHindsight> came across this at the deli earlier today
[16:10:42] <CaptHindsight> tastes like a light beer
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[16:11:09] <gregcnc> Polish deli?
[16:12:17] <CaptHindsight> gregcnc: yes http://kalinowskideli.com
[16:13:59] <Loetmichel> *BELCH* maybe, just maybeee a full can (1000gr) of chilli con carne was a bit much as a dinner for one... will i ever learn to not eat until its all empty? ;)
[16:14:25] <CaptHindsight> best weird soda lately https://brooklynbrainery.com
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[16:22:36] <Rab> What's a good roughing end mill for mild steel (low-speed manual milling)? 4-flute HSS, or cobalt, or?
[16:23:30] <Elmo40> 2-flute wavey
[16:23:53] <Elmo40> HSS is fine for mild steel. Carbide is better.
[16:23:56] <tiwake> Rab: how rough? cob endmill?
[16:23:57] <methods_> 2 flute for steel?
[16:24:04] <Elmo40> why not?
[16:24:08] <Elmo40> it is a rougher
[16:24:14] <tiwake> cob endmills are much better as cobalt
[16:24:23] <Elmo40> i love the 3-flute endmills, though. They are tough and can hog away material.
[16:24:24] <tiwake> when cutting steel
[16:24:35] <methods_> i normally only use 2 and 3 flutes on alum
[16:24:38] <tiwake> the chips tend to get in the way and chip out carbide
[16:24:39] <Rab> tiwake, just want maximum material removal for the limited power I have (MT2 shank).
[16:24:46] <Loetmichel> carbide is really sensitive to "rough" hand milling though
[16:24:54] <tiwake> that too
[16:24:59] <Loetmichel> HSS can take hits a lot better
[16:25:01] <Elmo40> Loetmichel, true. it is more brittle.
[16:25:16] <Rab> Elmo40, I've heard 3-flute is very good for Al.
[16:25:17] <tiwake> if you don't have good chip removal then carbide is a bad idea in general
[16:25:26] <Elmo40> 3-flute is good for anything
[16:25:37] <Elmo40> it is all about the grind of the cutting edge
[16:25:48] <Elmo40> any flute is good, depending on the condition you use it
[16:25:52] <Loetmichel> tiwake: i mill my Aluminium sheets with a 2mm carbide 2flute
[16:26:02] <Elmo40> you can use a 10-flute on anything but don't expect it to hog away material
[16:26:03] <Loetmichel> but at 24lrpm and with a CNC router
[16:26:20] <Loetmichel> wouldt try that with hand feed and lower rpm to be honest
[16:26:31] <Rab> tiwake, yeah, I mean cob endmill.
[16:26:33] <Elmo40> hand feed is death to tooling.
[16:26:35] <tiwake> aluminum is kind of special
[16:26:44] <Elmo40> certain aluminums
[16:26:47] <Elmo40> not all
[16:26:48] <Loetmichel> s/lrpm/krpm
[16:26:50] <tiwake> enh
[16:26:51] <Elmo40> some machine very well
[16:27:00] <tiwake> 7075 is pretty nice to machine too
[16:27:07] <Elmo40> some are like goop.
[16:27:12] <Loetmichel> tiwake: 6061 is ok, too
[16:27:26] <tiwake> worked with 3000 series for airplanes
[16:27:28] <Loetmichel> only alu i dont like is AL99,9 and AlMg1
[16:27:31] <tiwake> didn't seem bad either
[16:27:33] <Elmo40> lovely material to cut. drilling is a different issue. i find i burn up drills quickly with 7075.
[16:27:37] <Loetmichel> AlMg3 is ok though
[16:28:00] <Loetmichel> Elmo40: use carbide drills ;)
[16:28:04] <Elmo40> very little give with 7075. very rigid.
[16:28:19] <Elmo40> 6061 and them are softer
[16:28:20] <tiwake> yeah, 7075 is hard enough for carbide to be happy with it
[16:28:24] <Loetmichel> yeah, but 7075 dosent like vibrations
[16:28:25] <Elmo40> yes
[16:28:30] <Elmo40> nope
[16:28:46] <Loetmichel> so its no good for "work stressed" parts
[16:28:48] <Elmo40> hence why it is used as support components in airplane wings
[16:28:53] <Loetmichel> it breaks easily
[16:29:01] <tiwake> Rab: just get a cheap cobalt cob endmill... where you get it from does not matter that much
[16:29:03] <Elmo40> but not made for the actual stuts in the wing
[16:29:19] <Loetmichel> indeed
[16:30:08] <Elmo40> you want a solid, light and rigid part, 7075. you want one to handle flexing a little better, 6xxx series.
[16:30:28] <Elmo40> motorcycle companies found that one out.
[16:30:49] <tiwake> what are aluminum engine heads made from?
[16:31:04] <Tom_L> pop cans
[16:31:12] <Rab> tiwake, roger, thanks!
[16:31:16] <Elmo40> they make the chassis with 6061 but any place for bearings (swing arm area, neck for forks...) are welded in 7075
[16:31:37] <Elmo40> tiwake, casting of various Al mixes.
[16:31:48] <Elmo40> but you'll find people making billet heads with 6061
[16:32:07] <tiwake> Rab: if you are only using it once, then cheaper high speed steel is fine... but I generally try to stick to cobalt... its just so much better and longer lasting
[16:32:45] <XXCoder> heh forgot what alum # it was, but once dropped a alum sheet part couple inches and bent it. scrapped.
[16:32:53] <Elmo40> milling mild steel is a breeze. 2 or 3-flute for roughing. having low Hp means you can't load that chip too much.
[16:32:59] <XXCoder> bent was at ear with drilled hole
[16:33:18] <Loetmichel> Elmo40: 7075 is like cast steel. very rigid and strong, but try to bend it and it shatters
[16:33:22] <Elmo40> can't straighten Al all that easily.
[16:33:22] <XXCoder> know whats nightmare? stainless steel that was baked first before doing anything to it.
[16:33:38] <tiwake> donno
[16:33:54] <tiwake> 416 stainless is pretty freaking nice to machine
[16:33:58] <XXCoder> Elmo40: easily can strighten but memory effect means its scrap anyway
[16:34:01] <Elmo40> baked as in annealed? or hardened
[16:34:06] <XXCoder> hardened
[16:34:10] <Loetmichel> XXCoder: stainless work hardenes
[16:34:18] <XXCoder> extremely hardened.
[16:34:21] <Loetmichel> its a PITA to drill or bend
[16:34:43] <Loetmichel> you only have ONE chance to cut thru
[16:34:49] <Elmo40> certain 3-series stainless also collects on tooling. horrible to ream unless you have proper coolant/lube
[16:34:55] <tiwake> it does depend on the stainless though... I think 303 and 416 are the only two that are really nice to machine
[16:35:00] <Loetmichel> once the drill bit gets even remotely dull you are done for
[16:35:01] <tiwake> oh, I guess 17-4 too
[16:35:13] <XXCoder> whatever steel it was it was nightmare yeserday.
[16:35:28] <XXCoder> 26 parts. problemic parts, problemic program, problemic machine
[16:35:41] <Loetmichel> V2A feels like iconel to me in that regard
[16:35:48] <Elmo40> couldn't press START and walk away? those jobs are annoying.
[16:35:53] <Loetmichel> v4a is even worse
[16:36:00] <tiwake> Loetmichel: thats what she said
[16:36:21] <XXCoder> Elmo40: lol know what makes it worse? im deaf so I cant tell if its cutting good or not after afterwards
[16:36:29] <XXCoder> it vibrates so hard either way
[16:36:45] <XXCoder> it kept killing facemill lol
[16:36:57] <Loetmichel> XXCoder: ouch. i can not imagine that
[16:37:04] <XXCoder> i check tool each time.
[16:37:12] <Loetmichel> i once worked as a "machinist" for thyssen
[16:37:16] <XXCoder> so i avoid destroying facemill entired
[16:37:21] <XXCoder> entirely
[16:37:29] <Loetmichel> had to put crankshafts into a big CNC lathe
[16:37:32] <Loetmichel> every 3 hours
[16:37:45] <Loetmichel> so i learned Gcode programming
[16:37:47] <XXCoder> big rod eh
[16:37:49] <Tom_L> a monkey can do that
[16:37:56] <Tom_L> :)
[16:37:58] <Loetmichel> and ramped up a few feeds and speeds
[16:38:04] <XXCoder> can monkey even lift it? heh
[16:38:09] <Tom_L> a big one
[16:38:22] <Loetmichel> ... result was that you could feel the lathe running thru the entire fabrication hall ;)
[16:38:23] <XXCoder> yeah adult one is quite strong
[16:38:39] <XXCoder> lol thats crazy
[16:38:42] <Loetmichel> but i did 4 crankshafts a shift
[16:38:51] <Tom_L> it wasn't mounted on vibration dampeners?
[16:39:06] <Loetmichel> couldnt imagine it without hearing the tool palte getting dull though
[16:39:15] <Loetmichel> plate
[16:39:17] <XXCoder> tom i run a61 sometimes, and sometimes you can feel its rapids 3 feet away
[16:39:30] <Loetmichel> Tom_L: it was. you could feel it regardless ;)
[16:39:48] <XXCoder> a61 is expensive machine, and well damped
[16:40:10] <Loetmichel> it was a 5m long crankshaft and a CNC lathe that could accomodate that beast with ease
[16:40:31] <Tom_L> for a boat or train?
[16:40:34] <XXCoder> when 500 pound pallet and parts move inch then stop instantly you feel it.
[16:40:41] <Loetmichel> ship
[16:41:41] <Loetmichel> one day the programmer of the original program came down: "show me the other program!"
[16:42:00] <Loetmichel> <- "other program? we are not allowed to change any program!"
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[16:42:36] <XXCoder> interesting. at my work people is expected to stuff they know, and dont do stuff they dont know
[16:42:43] <Loetmichel> programmer: "Cut the crap, i could feel the machine running up in the offices. show me it. it will not be your problem!"
[16:42:54] <XXCoder> i have changed programs once a while, pretty uncommon tho.
[16:43:13] <Loetmichel> XXCoder: it was a school holiday job. i was 16 at the time
[16:43:21] <Loetmichel> and it was indeed a "monkey" job
[16:43:33] <XXCoder> lol you invented a building vibrator
[16:43:49] <XXCoder> oh interesting
[16:44:03] <gregcnc> due to balance or ???
[16:44:07] <Loetmichel> he looked at the program told me where i overshot and did to much, then advised me to NOT let anyone else run that program.
[16:44:28] <Loetmichel> due to balance and chip load
[16:44:51] <Loetmichel> you could see the boronitirde plate glow under the 1" coolant stream
[16:45:08] <XXCoder> man thats crazy chipload lol
[16:45:40] <Loetmichel> thats why he advised me to not let that program be run by the other shifts
[16:46:11] <Loetmichel> they couldnt discern a "good plate" from a chipped one just by the sound the machine was making
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[16:46:39] <Loetmichel> i could, having done machining before
[16:46:39] <XXCoder> you probably saved them good money
[16:46:43] <Loetmichel> yes
[16:47:00] <Loetmichel> about 30% shorter process time
[16:47:00] <XXCoder> hours of machine time isnt something to sniff at
[16:47:04] <gregcnc> boron nitride as in CBN?
[16:47:07] <Loetmichel> yes
[16:47:14] <gregcnc> with coolant?
[16:47:17] <Loetmichel> yes
[16:47:20] <Loetmichel> not my idea
[16:47:27] <Loetmichel> was that way when i got there
[16:47:42] <Loetmichel> i just upped the feeds and DOC a bit
[16:48:07] <XXCoder> that was one of issues I THINK, yeserday. facemill inserts looked like type that shouldnt touch coolant but air blast, but program used coolant
[16:48:13] <Loetmichel> the plates were NOT CHEAP... 120DM a piece IIRV
[16:48:15] <Loetmichel> IIRC
[16:48:22] <XXCoder> i dont know enough to change over and didnt want to make a mistake
[16:48:45] <Loetmichel> and i usually used one up per crankshaft
[16:49:02] <XXCoder> how do you know if inserts must be air blasted and not coolant sprayed?
[16:49:17] <gregcnc> depends on what they are made of
[16:49:36] <XXCoder> hmm ok
[16:49:36] <Loetmichel> generally: carbide of any sort dosent like shocks
[16:49:52] <XXCoder> yeah cutting felt nasty, but then hard metal cutting always feels so
[16:50:15] <Loetmichel> but you CAN use coolant, you just have to be sure that you switch it on before cutting AND have it running until the plate cooled down to room before shutting off
[16:51:26] <XXCoder> hm program had 3 parts, the facemill, the keyway cutter, then finally basic endmill
[16:51:41] <XXCoder> its to make block prepped for hold on techi-grip
[16:52:02] <XXCoder> i like the techi-grip system, its great system.
[16:52:44] <Loetmichel> and btw: i was inprecise
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[16:52:57] <Loetmichel> it wasn the tool that was glowing red under the coolant stream
[16:53:09] <Loetmichel> it was the spray of swarf that was red hot
[16:53:17] <XXCoder> yeah i was guessing it was chips
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[16:53:24] <XXCoder> yeah. if tool itself was hot you seriously messed up
[16:53:32] <XXCoder> (redhot not just hot)
[16:53:37] <Loetmichel> so it glowed under the coolant, make it look like a little volcano ;)
[16:53:58] <XXCoder> you ever seen cermtic tool cutting inocol?
[16:54:07] <Deejay> gn8
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[16:56:13] <Loetmichel> nope
[16:56:13] <gregcnc> Ceramic runs dry
[16:56:28] <gregcnc> https://www.youtube.com
[16:57:39] <Loetmichel> XXCoder: the only time i worked with iconel was on big construction earthmovers
[16:57:41] <XXCoder> ceramic tools love heat
[16:57:45] <XXCoder> hotter, stronger it is
[16:57:46] <Loetmichel> that stuff is NASTY
[16:58:35] <XXCoder> gregcnc: did you know they are working on cermtic endmills?
[16:58:41] <Loetmichel> i did ignite a bit of Ti allow at an ex company though with ceramic inserts
[16:58:51] <XXCoder> i saw one thats half cer,mtic and another thats entirelyu cermtic
[16:58:51] <gregcnc> ceramic endmills have existed for years
[16:59:06] <XXCoder> oh really? hmm how many years? heh
[16:59:08] <Loetmichel> ... then i knew why there was a bucket of sand next to the machine ;)
[16:59:27] <Loetmichel> s/allow/alloy
[16:59:35] <XXCoder> man that looks like lava pouring off part
[16:59:39] <XXCoder> love that video
[16:59:49] <Loetmichel> it kinda IS lava
[17:00:02] <Loetmichel> very short of melting completely in that video
[17:06:12] <XXCoder> fancy heh
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[17:20:54] <XXCoder> wow https://www.theguardian.com
[17:49:31] <gregcnc> Oh gee, I may have found another project I can't live without. depends if I'm willing to put up with more oddball mill holders and the price
[17:51:30] <XXCoder> projects all way down ;)
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[18:24:23] <_unreal_> hello
[18:26:41] <XXCoder> hey
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[18:54:02] <XXCoder> gloops: got any tips on finding compitable parts?
[18:54:22] <XXCoder> companies use weird parts serial numbers and i cant find if its compitable with my car.
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[18:55:30] <gloops> XXCoder, hmm tricky, i usually go for visual match - any photos?
[18:55:54] <XXCoder> thats the problem my car only has mirrored part lol
[18:56:10] <XXCoder> https://parts.ford.com seems to match mine
[18:56:20] <XXCoder> but it dont seem to have compitable cars list
[18:57:37] <XXCoder> oh! https://parts.ford.com
[18:57:49] <gloops> yeah theres usually a list of compatible
[18:58:36] <XXCoder> on that site its just 17D743
[18:58:39] <gloops> there is a 'select vehicle' button top right
[18:58:49] <XXCoder> on amazon its CP9Z-17D743-BA
[18:58:51] <gloops> on last link
[18:58:57] <XXCoder> makes it confusing
[19:00:28] <gloops> https://www.ebay.co.uk
[19:00:50] <XXCoder> my car is focus 2012
[19:01:44] <XXCoder> https://www.ebay.com|Make%3AFord&hash=item56bee3d4c2:g:f8gAAOSw0YVcW0xY
[19:02:25] <gloops> i thought it looked like a focus mirror lol, but didnt think america had ford focus
[19:02:37] <XXCoder> 2019 is last year I think
[19:02:48] <XXCoder> usa dont buy smaller cars anymore
[19:02:59] <XXCoder> thats why I got mine fairly cheap for very low mileage
[19:03:15] <gloops> there is a compatible vehicles list on the ebay links
[19:03:24] <XXCoder> yathats why i linked it
[19:03:39] <gloops> so you could at least work out which code is yours
[19:03:41] <XXCoder> that one is painted to maych my car so not bad. 20 bucks isnt too bad
[19:03:51] <XXCoder> the other parts is harder :(
[19:03:59] <XXCoder> its also missing light on mirror
[19:04:21] <XXCoder> traffic barrel ripped cover and light off my mirror but thankfully mirror assembly is fine
[19:04:52] <XXCoder> i got trapped between semi and ever-tightening traffel barrels
[19:05:10] <XXCoder> i had to brake hard and change lines but i tagged 2 barrels before i got out of trap
[19:05:58] <gloops> well, losing a mirror is probably better than a scrape down the wing/door
[19:06:19] <XXCoder> second one tagged the side but it just left marks
[19:06:25] <XXCoder> i rubbed em out so it wasnt too bad
[19:08:20] <gloops> i usually try ebay first for parts - if it isnt in local car spares shop, if its something i need right away ill try local breakers yards
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[19:08:36] <gloops> this is close to a city though so plenty of breakers around
[19:09:09] <gloops> at least you can take your part and compare it
[19:09:28] <XXCoder> hm
[19:09:34] <XXCoder> seems light is part of assembly
[19:09:41] <XXCoder> looing if can buy seperately
[19:09:54] <gloops> so its the whole thing to buy
[19:09:55] <XXCoder> part 17682
[19:09:59] <gloops> ahh
[19:10:30] <XXCoder> ebay seperate!
[19:10:53] <XXCoder> what does LH side mean?
[19:11:04] <gloops> the spares shop here hates ebay lol
[19:11:20] <gloops> left hand...so kerb side?
[19:11:29] <XXCoder> ah need right one looking
[19:12:04] <gloops> would be kerb side here anyway
[19:12:52] <XXCoder> wtttf ALL left so far!
[19:13:10] <gloops> lol
[19:13:32] <gloops> they probably sold all the rights
[19:13:35] <XXCoder> https://www.fordpartsgiant.com
[19:13:44] <gloops> nobody ever hits left mirror lol
[19:13:58] <XXCoder> yeah not very likely
[19:14:18] <_unreal_> I assume non of you do pic programming
[19:15:21] <gloops> whats that _unreal_?
[19:16:11] <_unreal_> ? I assume no one in here knows how to program in pic language
[19:16:21] <XXCoder> what is pic programming?
[19:16:37] <gloops> no i dont
[19:16:42] <_unreal_> hehe
[19:17:05] <XXCoder> gloops: dude ford parts website is as cheap as ebay in general
[19:17:09] <XXCoder> pretty good deal
[19:18:11] <gloops> well its pays to search around
[19:18:52] <XXCoder> problem is they does NOT say if its for left or right at all
[19:19:14] <XXCoder> it does actually but i cant find other side
[19:22:46] <gloops> bedtime for me anyway
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[19:54:45] <Tom_L> _unreal_ i did pic but switched to avr
[19:55:05] <Tom_L> do hardly none now
[19:55:41] <Tom_L> what was the real question behind that one?
[19:56:51] <Tom_L> picbasic or c?
[19:57:02] <Tom_L> i hardly remember anything about either one now
[20:22:31] <_unreal_> Tom_L, :)
[20:22:39] <jthornton> I pushed the latest to thread_mill
[20:22:45] <_unreal_> I've always wanted to convert come code from one pic to an other pic
[20:23:01] <_unreal_> ? minus "come"
[20:23:21] <jthornton> https://paste.ubuntu.com
[20:23:32] <jthornton> g code for 1 thread and 3 passes
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[20:36:30] <Tom_L> jthornton, how do i pull the changes?
[20:36:57] <jthornton> git pull from the thread_mill directory
[20:40:53] <Tom_L> where did you start the main helix?
[20:41:13] <Tom_L> or did you leave it like it was?
[20:49:35] <jthornton> hmm I defined the start z to I forget lol
[20:50:08] <jthornton> I think it was 1.5 thread pitches down from z0 so one full thread up to z0
[20:51:22] <Tom_L> i think it's gonna be difficult to compare with the different leadin moves
[20:52:45] <Tom_L> oh i was gonna ask if you had a place to add 'comp' in the mix
[20:53:05] <Tom_L> if it was a bit tight you could come back and add say .002" or such to the helix
[20:53:32] <Tom_L> or just run comp on the machine..
[20:54:01] <jthornton> right now the hole diameter controls the final pitch diameter so you can adjust that way but I'm thinking of a better way
[20:54:54] <jthornton> you could just have a single pass and ignore the lead in and lead out arc
[20:55:06] <jthornton> I used your tool size for 3/4 threads
[20:55:23] <Tom_L> the .595" ?
[20:55:50] <Tom_L> that's from their site but i measured it as well
[20:55:52] <jthornton> that sounds like the tool diameter not the hole diameter
[20:56:02] <Tom_L> that's what i meant
[20:56:06] <Tom_L> the tool diameter
[20:56:18] <jthornton> yea their OD and your neck OD and the cut length
[20:56:31] <Tom_L> i forget what i used for the ID of the hole
[20:57:01] <jthornton> imho it should really use the pitch diameter...
[20:57:12] <Tom_L> i'm pretty sure i did
[20:57:34] <Tom_L> the basic minor diameter is .6823"
[20:57:46] <Tom_L> for internal threads
[20:57:56] <jthornton> every formula I've found is from the minor or major diameter
[20:57:57] <Tom_L> for external threads it is .6733"
[21:00:16] <jthornton> time to retire to the living room
[21:00:23] <Tom_L> later
[21:00:41] <Tom_L> http://vedge.org
[21:01:30] <Tom_L> not the one i used but similar
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[22:34:57] <gregcnc> Minor diamater has nothing to do with pitch diameter
[22:37:23] <Tom_L> PD is the midpoint
[22:37:54] <Tom_L> minor diameter is the root diameter and i use it to calculate the pass divisions
[22:38:09] <Tom_L> jt used percentages which is probably better
[22:38:31] <Tom_L> i may work on mine again one day
[22:40:10] <Tom_L> gregcnc, what would you calculate it from?
[22:58:27] <XXCoder> we know when we advanced in computing tech so much when guy can put windows 3.1 in bios. https://sakamoto.pl
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[23:13:24] <XXCoder> man!
[23:13:33] <XXCoder> wish my cnc router was setup and running. https://hackaday.com
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