#linuxcnc Logs

Mar 03 2017

#linuxcnc Calendar

12:29 AM MacGalempsy: good evening gents
12:43 AM CaptHindsight: http://www.ebay.com/itm/222415834359 sumbuddy got a bargain
12:48 AM MacGalempsy: was thae someone u?
12:49 AM CaptHindsight: nope, was too busy to check it out
12:50 AM MacGalempsy: dang
12:52 AM CaptHindsight: http://www.ebay.com/itm/291441819739 $1900
12:53 AM SpeedEvil: Heavy.
12:53 AM MacGalempsy: no place for that let alone 3
12:56 AM CaptHindsight: http://www.ebay.com/itm/Sheldon-Lathe-/282350453959 who has a sheldon? andy?
01:30 AM MacGalempsy: $1900 must be the magic number this week
01:31 AM roycroft: hopefully $1100 will be the magic number for me
01:37 AM Deejay: moin
01:47 AM MacGalempsy: hi Deejay
01:48 AM MacGalempsy: got to love when a forum post requests volunteers to walk them thru a retrofit
01:50 AM MacGalempsy: i need a few volunteers to donate to my patreon
02:03 AM SpeedEvil: I donate to several peoples patreons. It's nice to help.
02:04 AM SpeedEvil: Virology podcasts to equipment teardowns to fanfic creators.
02:04 AM * MacGalempsy scrambles to get one set up.
02:05 AM SpeedEvil: But 'walk me through' something you haven't actually done exactly and already documented ...
02:06 AM MacGalempsy: my sarcastic point exactly.
02:52 AM MacGalempsy: anyone like classic cars? www.beverlyhillscarclub.com lots of pics of every car the have.
02:55 AM MacGalempsy: http://www.beverlyhillscarclub.com/1962-mercedes-benz-190sl-with-2-tops-c-6696.htm
02:56 AM MacGalempsy: thats what ive had my eye on for 20 years. the colors even match my other ride
04:45 AM XXCoder: boom
04:45 AM XXCoder: weird lights in sky today
04:45 AM MacGalempsy: oh?
04:45 AM XXCoder: a short glows, caught 2 so far
04:46 AM XXCoder: showed from above clouds
04:46 AM MacGalempsy: northern lights?
04:46 AM XXCoder: if that is the case then it is pretty far south.=
04:46 AM XXCoder: I have never seen one so I cannot compare, and its partially covered by clouds anyway
04:47 AM MacGalempsy: once a year you can catch them in Arkansas
04:47 AM XXCoder: too bad cant really see
04:47 AM XXCoder: just see glow once a while
04:48 AM MacGalempsy: could be lightening or ufos
04:49 AM XXCoder: too long for former, too short for latter, assuming one exists :P
04:50 AM XXCoder: pretty much 100% chance there is another intellent species besides us, but ya know, universe is big and theres plenty ways they might wipe themselves before they discover ftl, and even after
04:50 AM MacGalempsy: ufo only needs to unidentified, not alien
04:50 AM XXCoder: well true that but then I know of no human craft that can light half of sky
04:51 AM MacGalempsy: how long was the sr71 in existence before its public debue?
04:51 AM XXCoder: sr17?
04:52 AM MacGalempsy: https://en.m.wikipedia.org/wiki/Lockheed_SR-71_Blackbird
04:53 AM XXCoder: ah yes, fastest plane then, and still is.
04:53 AM SpeedEvil: Unless you count gliders.
04:55 AM SpeedEvil: http://sprott.physics.wisc.edu/pickover/pc/cnn_shuttle.jpg
04:56 AM XXCoder: that slow
05:00 AM MacGalempsy: heh. 18x the speed of light trying to escape a blackhole
05:00 AM jthornton: morning
05:00 AM SpeedEvil: A quick google says that the shuttle is likely at ~mach 2-3 at SR71 altitudes
05:01 AM XXCoder: hey jt
05:01 AM XXCoder: shuttle kinda cheats
05:01 AM MacGalempsy: hi jt
05:01 AM MacGalempsy: how?
05:01 AM SpeedEvil: 2-4
05:01 AM XXCoder: it uses BIG rocket to get it to orbit, then goes back that fast heh
05:01 AM XXCoder: so basically most of mass is left behind heh
05:02 AM XXCoder: older pic lol http://cdn.smosh.com/sites/default/files/ftpuploads/bloguploads/pug-man-swap.jpg
05:03 AM SpeedEvil: https://www.youtube.com/watch?v=hFPJ6DUAY10 - RC glider going a 500MPH
05:04 AM MacGalempsy: X-43A hit 9.6 Mach
05:04 AM MacGalempsy: https://www.nasa.gov/missions/research/x43-main.html
05:04 AM MacGalempsy: unmanned though
05:09 AM XXCoder: interesting
05:10 AM MacGalempsy: some unofficial reports try to claim the sr71 hit 9 mach. i recall a childhood school mate whos dad supposedly worked on them saying 7-8 mach was max
05:12 AM SpeedEvil: It most certainly diddn't hit mach 9.
05:12 AM SpeedEvil: Or 7.
05:13 AM SpeedEvil: The angles are all wrong, for example.
05:13 AM MacGalempsy: apparently on article says at 3.5 the windshield begins to lose integrity
05:14 AM MacGalempsy: it also ssys the titanium was smuggled from ussr
05:14 AM MacGalempsy: heh.
05:16 AM jthornton: https://www.youtube.com/watch?v=4HOxfZKIZQk
05:19 AM SpeedEvil: https://i.stack.imgur.com/ZNIJj.jpg - SR71 pic. The shockwave propagates in an angle which steepens as you go faster.
05:20 AM MacGalempsy: eventually right into the jets huh?
05:20 AM SpeedEvil: Draw a line from the tip, back, and as you go faster, at some point, you start getting a large shock into the engines
05:25 AM Spida: MacGalempsy: if you call "buying without talking about the purpose or the real buyer" smuggling...
05:25 AM MacGalempsy: https://youtu.be/reytu0y5efs
05:26 AM MacGalempsy: i think lying on a export permit would constitute smuggling
05:38 AM XXCoder: nice video https://www.youtube.com/watch?v=aKpDyfJnxQQ
05:55 AM XXCoder: https://www.youtube.com/watch?v=wtDHaXcS6Tg pretty cool. tool to move and pour pot of melted metal
06:01 AM MacGalempsy: that first video was good.
06:01 AM XXCoder: it is.
06:01 AM MacGalempsy: that carbonfiber robot arm looked cool
06:02 AM MacGalempsy: kinda like a robot tapegun
06:02 AM XXCoder: yeah, nice way to make HUGE tanks
06:03 AM MacGalempsy: the fiber compared to a hair was impressive
06:03 AM MacGalempsy: the fiber must be <0.0001"
06:04 AM XXCoder: yeah
06:05 AM MacGalempsy: someone told us tonight about an amish donut shop in town. cant wait to see the frier
06:10 AM MacGalempsy: have a good day guys. make those chips!
06:11 AM jthornton: Ijust need to not toss parts in the scrap bucket lol
06:11 AM jthornton: see you around
06:31 AM XXCoder: wow
06:31 AM XXCoder: https://www.youtube.com/watch?v=HyatuwDOYbY
06:31 AM XXCoder: thats a way to recycle steel chips I guess
06:34 AM jthornton: I wondered where the chips went on my cold saw
06:34 AM XXCoder: lol
09:24 AM roycroft: the listing for that lathe has not been deleted, so i'm somewhat encouraged that i'll be able to get it
09:58 AM Simonious: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&cad=rja&uact=8&ved=0ahUKEwiC-pKTyrrSAhUS12MKHYlDAsQQFggxMAg&url=http%3A%2F%2Fforum.caswellplating.com%2Ffiledata%2Ffetch%3Fid%3D128177&usg=AFQjCNEi4usRJm8sGdaKLUwgVnh2Yt6yIg&sig2=abvPWAzgFgtob-Mc5iC1uA Have I asked you guys if you've worked with one of these? Have you?
11:02 AM jym: Sp, how much would YOU pay for this picnic table? How much for the picnic bench? http://imgur.com/D9awrYQ
11:04 AM roycroft: if that picnic table is cedar it's worth $150 including two benches
11:05 AM jym: roycroft: See pm
11:05 AM roycroft: *chuckle*
11:05 AM jym: roycroft: =)
11:06 AM roycroft: i live in cedarland
11:06 AM roycroft: back east it might be worth $300
11:06 AM jym: roycroft: you know what I use cedar for? kindling
11:06 AM roycroft: it is great kindling
11:07 AM roycroft: you can light it with a match in the rain
11:07 AM jym: Yeah, almost
11:07 AM roycroft: we use it for fencing and siding and outdoor furniture
11:07 AM jym: Well, that too =)
11:34 AM jym: roycroft: Then spill mustard on the table the first time it's used =)
11:51 AM jym: roycroft: might be teak, but still
11:51 AM roycroft: it doesn't look like teak to me
11:51 AM roycroft: but if it were, maybe $750 for the whole set
11:51 AM roycroft: which means two benches, not one
11:51 AM jym: yeah
11:52 AM jym: roycroft: 2300 CAD http://www.instructables.com/id/Harvest-Table/?ALLSTEPS
12:14 PM cradek_ is now known as cradek
12:15 PM -!- #linuxcnc mode set to +v by ChanServ
12:27 PM Vq_ is now known as Vq
12:28 PM sliptoni` is now known as sliptonic
12:31 PM jym: Whats the term for epoxy filled wood? like pen blanks? Not "preserved wood" but something else.
12:31 PM roycroft: i've always heard it referred to as stabilized wood
12:31 PM jym: ah, yes, ty
01:20 PM JT-Shop: yea my M2.5 tap showed up
01:22 PM jdh: did you order only one?
01:23 PM roycroft: use it very carefully :)
01:24 PM andypugh: M2.5 isn’t _that_ tiny
01:28 PM JT-Shop: smallest one I have now :)
01:28 PM DaViruz_: i saw an M0.3 tap once
01:28 PM DaViruz_: that's just silly
01:28 PM roycroft: i do all hand tapping at the moment
01:28 PM JT-Shop: I have two different pitch m3 taps in my Sears metric tap set I got a long time ago
01:29 PM roycroft: 2.5mm tiny for hand tapping
01:29 PM DaViruz_: sorry, M0.6
01:29 PM roycroft: is tiny
01:29 PM JT-Shop: I tap in the VMC
01:29 PM roycroft: anything smaller than 6-32 is dicey for me
01:29 PM * JT-Shop goes back to work now the tap is here
01:29 PM gregcnc: at least M0.6 is comprehensible what is #000-120?
01:30 PM DaViruz_: arbitrary
01:31 PM gregcnc: http://www.custompartnet.com/tap-size-chart
01:33 PM andypugh: My table goes smaller: http://www.bodgesoc.org/thread_dia_pitch.html
01:33 PM roycroft: my eyes don't go that small
01:34 PM andypugh: (mm < 3 are conspicuous by their absence, I should add them)
01:34 PM roycroft: i need powerful loupes to see that kind of stuff
01:34 PM gregcnc: clock makers threads?
01:35 PM DaViruz_: my smallest tap is M2, i don't find that particuarly bothersome or fragile at all
01:39 PM andypugh: second section here: M0.1 x 1000 nut and bolt http://piepklein.blogspot.co.uk
01:40 PM DaViruz_: x1000 as in 1000mm long?
01:40 PM DaViruz_: does that come on a spool? :D
01:41 PM andypugh: 1000 tpi :-)
01:42 PM DaViruz_: oh dear
01:42 PM DaViruz_: why would you mix a metric diameter with a tpi thread pitch :(
01:42 PM andypugh: Actually M0.1 x 0.025
01:42 PM DaViruz_: oh.
01:43 PM DaViruz_: one of those rare cases where a thread size is best expressed in micrometers
01:44 PM andypugh: µm100x25 thread?
01:59 PM Todd_Z: Oh, crap. Any one here ever have the air end rebuilt on a rotary-screw pump?
02:00 PM Todd_Z: Just had a 20hp Sulair vacuum pump sieze up.
02:02 PM DaViruz_: that sounds like a quite expensive thing to have happen
02:07 PM gregcnc: I must have missed this pizza printer https://www.youtube.com/watch?v=kYopdes1x1o
02:08 PM _methods: you might just have to replace the bearings
02:09 PM _methods: but i guess you won't know until you check the chamber and the vanes
02:09 PM _methods: or i guess not vanes
02:09 PM _methods: the screws
02:11 PM _methods: if you get lucky there won't be any damage to the screws
02:20 PM CaptHindsight: gregcnc: and still no 3d pizza! It's just a flat circle. Where is my pizza pyramid or personalized pizza statue of myself?
02:21 PM gregcnc: 2d printed pizza pffft
02:22 PM CaptHindsight: 3d burrito printer
02:22 PM CaptHindsight: or soup!
02:24 PM FinboySlick: CaptHindsight: With enough toppings, a pizza can be a cone.
02:25 PM jym: FinboySlick: <--- Freak
02:25 PM jym: FinboySlick: A pizza is like the world, flat and round damnit!
02:25 PM FinboySlick: And with mountains around the rim so you don't fall off, hmm?
02:26 PM jym: Nah, you get to the edge, hey that's on you if ya fall
02:26 PM FinboySlick: jym: Did you figure out your spiral thing, btw? I'm not sure if I understood the issue too well.
02:27 PM jym: FinboySlick: too much math for me, so no. But the idea was to have a smooth spiral for fresh air intake so it can be pre-heated
02:27 PM FinboySlick: jym: It would be pretty easy to input into a spreadsheet.
02:27 PM jym: FinboySlick: sharp bends/corners muck with the flow.
02:28 PM jym: FinboySlick: I really want to know what n length of material would give me mostly
02:28 PM FinboySlick: As in how many turns?
02:29 PM jym: This is interesting, just not sure what each SQRT signifies? Length? angle? http://mykhmsmathclass.blogspot.com/2007/10/check-out-my-slide-show.html
02:29 PM jym: FinboySlick: Kinda, yeah.
02:30 PM jym: FinboySlick: But I also HAVE to have n sq area too; no less than 16 sq in
02:30 PM jym: ...at any given point.
02:30 PM jym: FinboySlick: Think like coiling a 4" diamater hose
02:32 PM FinboySlick: jym: Let me see if I can put together a spreadsheet for you.
02:33 PM jym: FinboySlick: It's all good, but ty anyway
02:33 PM jym: FinboySlick: It's not THAT big a deal. More just wanted some perspective before I dive in as this is just a concept desigin
02:34 PM jym: FinboySlick: But if you could tell me what those SQRT means, I'd appreciate it http://mykhmsmathclass.blogspot.com/2007/10/check-out-my-slide-show.html
02:41 PM CaptHindsight: jym: how about a pizza shaped like a cone but still thin like a cone used for ice cream?
02:42 PM CaptHindsight: or pizza in a cup where the cup is the pizza
02:44 PM FinboySlick: jym: It's all pythagorean. sqrt(1²+1²) is the first one. (so sqrt(2))
02:45 PM FinboySlick: The next one is essentially a simplification. Since you know that one side is srt(2) and one side is 1, you have srqt(sqrt(2)^2+1^2) which comes down to sqrt(3)
02:46 PM FinboySlick: And so on.
02:48 PM FinboySlick: It's very elegant.
02:53 PM FinboySlick: (so yes, length)
02:55 PM FinboySlick: if you want a constant surface area, the approach I described yesterday is probably better.
03:02 PM gregcnc: If spacing is constant like a scroll thread, I'd just mark the quadrants for reference. say 2" between 0°=0, 90°=.5", 180°=1".....
03:08 PM jym: CaptHindsight: Hand held pizza vone... interesting
03:09 PM jym: FinboySlick: No, I mean what does each scteion represent? angle ? length fromt he center?
03:09 PM roycroft: dammit
03:09 PM roycroft: that lathe listing has been deleted :(
03:10 PM roycroft: i should probably look at how much it would cost to ship one cross-country
03:10 PM roycroft: and find a nice on in the rust belt to buy
03:10 PM roycroft: although i would prefer to look at it in person before purchasing
03:15 PM FinboySlick: jym it represents the length of the base of the triangle, which is the hypotenuse of the previous triangle.
03:16 PM jym: FinboySlick: Ok so the length of the red line to the left of the SQRT(2) ?
03:17 PM FinboySlick: The length of the red line is sqrt(3)+sqrt(11)
03:18 PM jym: FinboySlick: and why are they pointing out the 1 1 1 1 1 1 1 1 oall along the outside?
03:21 PM FinboySlick: 1 is the length of the outside line.
03:23 PM jym: FinboySlick: Hmmm, ok the blue line left of the top red line woutld be SQRT(4) + SQRT(2) ?
03:23 PM jym: or SQRT(4) + SQRT(1) ?
03:26 PM FinboySlick: No, all the perimeter segments are just 1. The lines from the center to the edge are all sqrt() their respective number. Since the first one is 1 in length, the others are sqrt(n)
03:26 PM CaptHindsight: jym: I'm a gastronomic inventerator
03:27 PM jym: CaptHindsight: =)
03:27 PM CaptHindsight: roycroft: I'll gladly keep and eye out since I'm looking for manual lathes as well
03:27 PM jym: FinboySlick: I misread the 11 as 1 ---> 2017-03-03.12:47:51 FinboySlick: The length of the red line is sqrt(3)+sqrt(11)
03:27 PM CaptHindsight: roycroft: do you have a way to unload a truck at your end?
03:29 PM CaptHindsight: roycroft: a ~$1k lb lathe on a pallet from the midwest to west coast <$500, more if a liftgate is required
03:30 PM CaptHindsight: https://www.uship.com/ has been great for me
03:35 PM CaptHindsight: closer to $600-700 if you need a liftgate on both ends
03:36 PM CaptHindsight: Clear Lane Freight just quoted me $270 from Chicago to Portland without a liftgate for $1200lbs on a pallet
03:36 PM FinboySlick: jym: I finished that spreadsheet, btw.
03:38 PM FinboySlick: For 100", you'll have to go 846 degrees with a spiral pitch of 4"
03:38 PM FinboySlick: I computed it with a tack every 18°
03:44 PM andypugh: CaptHindsight: Do you want a _really_ pretty lathe from 1931?
03:45 PM CaptHindsight: andypugh: is it on my side of the pond? :)
03:45 PM andypugh: Which side is that?
03:46 PM CaptHindsight: the with the orange leader
03:47 PM andypugh: Northern Ireland?
03:48 PM CaptHindsight: they have one as well?!
03:48 PM andypugh: This is the one: Ontario,40 mins West of Niagra Falls
03:49 PM andypugh: https://goo.gl/photos/4Y8NMRva94u8DKTd8
03:49 PM andypugh: A particularly complete and well equipped example of a Rivet 608
03:50 PM andypugh: He does want rather a lot of money for it.
03:52 PM _methods: https://www.youtube.com/watch?v=F-mju_gW3c8
03:52 PM CaptHindsight: the good ones disappear quickly but their ads stay up
03:52 PM _methods: so offensive
03:54 PM FinboySlick: jym: http://s000.tinyupload.com/index.php?file_id=99429527555233213854
03:55 PM FinboySlick: (assuming you use libreoffice)
03:55 PM CaptHindsight: he has one on how to become gluten intolerant as well lol
03:55 PM Devilhol1 is now known as Devilholk
03:57 PM _methods: heheh
04:16 PM roycroft: gluten intolerence is mostly a fad, imo
04:16 PM Deejay: gn8
04:26 PM Todd_Z: I'm mostly intolerent of gluten intolerent people, people with celiac disease can be forgiven though.
04:26 PM roycroft: it's a real thing
04:26 PM roycroft: but it's also a fad
04:27 PM CaptHindsight: remember the days of the peanut allergies
04:29 PM Todd_Z: Thank God none of my children have a peanut alergy, we'd have to put them up for adoption.
04:30 PM Todd_Z: Time to go eat some peanuts.
04:31 PM roycroft: peanut allergies are very scary
04:31 PM roycroft: some frat boys just got jail sentences for a peanut hazing incident
04:32 PM roycroft: they rubbed peanut butter over the face of a passed-out pledge who had a peanut allergy as some kind of hazing ritual
04:32 PM roycroft: i never understood hazing, so don't ask me to explain what that was supposed to be about
04:32 PM roycroft: kid had to go to the er and almost died
04:32 PM roycroft: said frat had been kicked off campus a couple years earlier because of hazing
04:34 PM cradek: frats are gross
04:34 PM gregcnc: i had/have selenium allergy, no brazil nuts. my wife brought me cookies with some while we were dating, she still feels bad
04:35 PM andypugh: cradek: That may be a bit of a blanket statement. Some might be entirely fine. But you don’t hear about those, and nobody makes films about them.
04:35 PM andypugh: (Or they might all be terrible, I know nothing about them)
04:36 PM andypugh: Other than what I learned from that documentary :Animal House:
04:36 PM andypugh: :-)
04:36 PM gregcnc: are 40uf motor run caps something to be found at electric supply?
04:37 PM roycroft: animal house was filmed in eugene!
04:37 PM roycroft: some friends and i just watched it a few weeks ago
04:37 PM roycroft: and part of it was filmed here, where i work
04:37 PM roycroft: the parade scene towards the end was filmed on main street in cottage grove oregon
04:37 PM cradek: gregcnc: I get stuff like that from surplus center in lincoln. they have them all.
04:37 PM roycroft: i can see the parade route from my office
04:38 PM gregcnc: need to be "real"
04:38 PM roycroft: and cottage grove still has an annual toga party
04:38 PM cradek: gregcnc: http://www.surpluscenter.com/shop.axd/Search?keywords=40+MFD
04:38 PM andypugh: gregcnc: I can buy 30uF ones from a high-street retailer: http://www.maplin.co.uk/search?text=motor+run&x=0&y=0
04:39 PM cradek: of course being 5 minutes from me helps me choose them
04:46 PM gregcnc: if only it was 5 minutes from here
04:46 PM CaptHindsight: my take on hazing http://www.personal.psu.edu/afr3/blogs/SIOW/2011/09/schadenfreude-naturally.html
04:57 PM os1r1s: Anyone use vise keys?
05:09 PM robertj: are there any good builds to look at for closed-loop 3d cnc milling?
05:09 PM robertj: My budget isn't terribly tight
05:11 PM roycroft: mine is
05:11 PM roycroft: please to share some of your budget with me, thank you very much
05:11 PM robertj: hehe
05:11 PM XXCoder: yes loosen your budget lol
05:16 PM gregcnc: some costs are fixed, but many are related to how much axis power you need which is based on how big and how fast the machine will be
05:21 PM robertj: gregcnc, I can go as small as 100mmx100mmx20mm in terms of work surface
05:22 PM robertj: and it can be wretchedly slow
05:22 PM robertj: but i want to be able to mill steel
05:26 PM JT-Shop: hmm, I don't have a M3x0.5 machine tap...
05:29 PM andypugh: JT-Shop: I found that I habe M1, M1,25 up to M4.5
05:30 PM * JT-Shop wonders if the 30 year old Craftsman tap will do the job
05:31 PM XXCoder: thats when craftman was quality
05:31 PM andypugh: robertj: Google finds folk machining steel on a Sherline
05:32 PM JT-Shop: the M2.5 x 0.45 cut those holes like butta
05:32 PM XXCoder: craftmans shit now
05:32 PM XXCoder: chinese shit
05:35 PM andypugh: cradek: Is it you who has a Max-NC? Would that fit the specification above?
05:40 PM andypugh: robertj: This is what you want. But you won’t find one: http://www.lathes.co.uk/aciera/index.html (Aciera F1)
05:41 PM robertj: andypugh, yup
05:42 PM robertj: so is it low rpms that i'm gonna be wanting?
05:42 PM andypugh: I am wrong, there is one on eBay. At a decent price too: http://www.ebay.com/itm/Aciera-F1-milling-machine-on-original-stand-/192117356546?hash=item2cbb163802:g:v9YAAOSwax5Yt27q
05:43 PM andypugh: Not very low, unless you plan on using large cutters.
05:44 PM robertj: andypugh, that's semi-local for me...
05:44 PM os1r1s: robertj You could get a taig and put servos on it
05:46 PM andypugh: robertj: There was an F1 on eBay Italy recently for $10,000
05:48 PM robertj: so what servos would go on something like that?
05:48 PM pcw_mesa: There are a few F1 CNCs in Switzerland, very cute
05:49 PM andypugh: pcw_mesa: I put a 12V logic power feed in for my 8i20s. Reliability appears much better, it boots first time now.
05:50 PM andypugh: (used 12V from the SATA power connector to get a 12V that comes on with the PC)
05:51 PM andypugh: robertj: With a 10mm cutter and tool steel you would need 500rpm. Any other material or smaller cutter would be faster.
05:52 PM XXCoder: pretty good photoshop though I see some issues: https://scontent.fsnc1-2.fna.fbcdn.net/v/t31.0-8/17016102_1723220144355623_6420507139527927849_o.jpg?oh=2c5282b7f289579ee24e0de6467534a9&oe=593402AE
05:52 PM XXCoder: facebook so probably dont work. dunno
05:53 PM andypugh: Should I recognise the woman?
05:54 PM XXCoder: shes rather infamous for sitting casually in president picture. everyone was standing except her, and she was sitting weirdly in couch. that posture in fact.
05:55 PM XXCoder: wups time for tasks laters
06:00 PM robertj: andypugh, so how is that gonna do in terms of precision vs what cncrouterparts pro getup can do?
06:00 PM andypugh: The F1? No comparison. It designed for makine watch parts.
06:00 PM robertj: assuming I don't screw up the CNC conversion and manage to find a new motor for mill itself since it has been previously butchered
06:02 PM andypugh: Might be an expensive conversion. It would be if I did it, I would feel obliged to make new castings and attempt the same quality as original in my parts.
06:04 PM robertj: so i have no machining experience at all
06:04 PM robertj: so err...
06:04 PM pcw_mesa: https://www.machinio.com/listings/10668895-aciera-f1-cnc-cnc-milling-machine-1451-in-la-chaux-de-fonds-switzerland
06:07 PM andypugh: robertj: Well, starting with a manual machine and getting a feel for machining might not be a bad thing. What do you want to make?
06:08 PM robertj: watch cases
06:08 PM robertj: :>)
06:08 PM robertj: >:)
06:08 PM robertj: sorry, I have a toddler helping type :p
06:08 PM andypugh: Well, there you are then. :-)
06:09 PM andypugh: Have you looked at all the lathes.co.uk pages of the F1, and the massive number of accessories that you can get?
06:10 PM andypugh: (one problem with the eBay one is that it seems to have lost the T-slot table, but that would be easy to replace, possibly with an off-the-shelf angle plate.
06:14 PM andypugh: archivist: DO you agree that £3000 for an Aciera F1 seems a bargain?
06:16 PM R2E4_bevins: Hey Peter, that rs-485 is running at 750Kbaud
06:16 PM andypugh: robertj: How much were you looking to spend at cncrouterparts?
06:16 PM robertj: dunno, worst case $3000 + electronics elsewhere but probably less there and atotal of ~ $5000?
06:17 PM robertj: and that's just as akinda 'I googled and that looks like a reasonable baseline of a non-crap kit cnc table'
06:17 PM andypugh: So, F1 and servos is still well in budget? And you end up with an F1. If it was near me I might be tempted to buy it just to cuddle at night :-)
06:17 PM robertj: so what about the motor
06:18 PM robertj: he apparently has been fiddling with it
06:18 PM robertj: you will see its sold as for parts
06:21 PM andypugh: Yeah. That wouldn’t scare me, especially not if you are already thinking about CNC. Do you have 240V available?
06:23 PM andypugh: It is possible to mess with the input stage of a VFD to make it into a doubler circuit, and get twice the voltage. A 1.5Hp VFD (3x what that motor needs) is about $150. That would give you 240V from 110V input
06:23 PM andypugh: Or just change the motor.
06:26 PM robertj: andypugh, I don't
06:27 PM robertj: I sent him a low-ball offer through ebay
06:27 PM robertj: Says he is leaving town in 3 days and he has to be gone after that so we will see if he is hungry
06:28 PM andypugh: I wouldn’t expect it to hang around long at the asking price, to be honest.
06:29 PM JT-Shop: I ignore low ball offers and what's your best price questions
06:29 PM robertj: JT-Shop, that's fine
06:29 PM andypugh: But a lot of machinists are terrified of motors, so perhaps I am wrong.
06:29 PM robertj: I sold 300k worth of stuff on ebay last year, hecan take it ornot
06:29 PM malcom2073: Never know unless you ask
06:29 PM malcom2073: If the seller is smart, they'll counter offer
06:30 PM robertj: The one thing I can gaurauntee you is that if it doesn't sell he will still take 3k for it
06:30 PM robertj: 'ima have to pay you incas inperson since the auction has ended -that gonna be a problem?'
06:31 PM robertj: I kinda miss my ebay days but not much
06:31 PM robertj: SASS is easier on the lower back
06:31 PM robertj: SAAS rather
06:32 PM malcom2073: I finally sold something on ebay for the first time the other day
06:32 PM robertj: Yay!
06:33 PM malcom2073: If I had the capital I'd go to more local machine auctions and flip stuff on ebay, there's a decent enough margin locally to do so, and make good beer money
06:33 PM robertj: so mechanically, what makes this more accurate? is it because of the gearing between the handles and the screws?
06:34 PM robertj: malcom2073, dealing with freight on ebay sucks unless your buyers are professionals and used to it
06:34 PM robertj: I was selling to folks who bought used stuff via freight all day and it was still not very rosey
06:34 PM robertj: also you need to make enough to have a worker-bee on site all day waiting for trucks unless you want to be that person
06:35 PM malcom2073: robertj: Yeah I'd stick to smaller stuff
06:35 PM malcom2073: 70lbs of less, tooling goes for cheap in big lots here
06:35 PM malcom2073: Oftentimes you can get machines with tooling, and then scrap the machine to regain a good chunk of money
06:36 PM robertj: if you had thecapital my recommendation would also be to buy a 2-part foam injection system
06:36 PM malcom2073: Hah, I have zero capital, negative even atm :-P
06:36 PM malcom2073: I like those self-inflating packing foam thingies
06:38 PM robertj: they cost you an arm and a leg
06:38 PM malcom2073: Do they? I've only recieved parts with them, never actually purchased
06:38 PM malcom2073: I got a transmission with that stuff, it was amazing
06:38 PM robertj: ohhh that probably wasnt self inflating, that probably was the 2-part stuff
06:38 PM robertj: they have like bags that have it inthere and you brake itand it inflates or something
06:39 PM malcom2073: Yeah that stuff
06:39 PM andypugh: This is beautiful, and all maths. https://www.youtube.com/watch?v=zXTpASSd9xE
06:43 PM andypugh: robertj: The difference is that the F1 is made out of lumps of cast iron, hand scraped to a perfect fit by Swiss craftsmen, back when machine tools were made to last decades.
06:44 PM gregcnc: well back when you were cranking by hand and couldn't actually wear a good machine out
06:44 PM _methods: lol all maths
06:44 PM _methods: that's all lsd
06:45 PM andypugh: _methods: Well, to be accurate, it’s actually all Arithmetic
06:45 PM _methods: heheh
06:45 PM _methods: arithmetic blotter
06:46 PM andypugh: robertj: One bug advantage of the F1 over an extruded router is the many possible ways there are to mount the work.
06:46 PM andypugh: Even with CNC that helps.
06:48 PM andypugh: robertj: Here is my converted universal miller doing a job that a router couldn’t: https://goo.gl/photos/mLQvmx7rn7op4ymeA
06:49 PM andypugh: It needed CNC to feed all the axes together to get the required movement.
06:49 PM andypugh: But it needed the adaptable machine to set up the geometry.
06:50 PM andypugh: (My Harrison is like the F1’s big, low quality, brother)
06:56 PM MacGalempsy: afternoon
06:56 PM malcom2073: Evening
06:57 PM MacGalempsy: have a good day?
06:58 PM malcom2073: Yeah, got the pick and place machine running fast and smooth today. Still wish it was linuxcnc though haha
07:02 PM andypugh: And the new thing I learned today is: https://en.wikipedia.org/wiki/Dippel%27s_oil
07:03 PM gregcnc: I wonder how hard it would be to add motors to this for a tiny mil. Probably has leadscrews though http://www.ebay.com/itm/112304095562
07:04 PM andypugh: There was something similar at the Wichita fest I went to, but already motorised.
07:05 PM andypugh: But at 1/4 the cost of an actual Aciera F1..
07:07 PM MacGalempsy: andypugh how does one stumble upon such info?
07:07 PM CaptHindsight: the lead screws on those typically are only rated for ~10kg axial loads
07:08 PM CaptHindsight: something like 1/4"-80 or -100
07:08 PM andypugh: MacGalempsy: Reading about Goyen Ornamental turning lathes at lathes.co.uk had me wondering what Neatsfoot oil was, and from there it was but one click.
07:09 PM gregcnc: www.ebay.com/itm/171973825568 I wonder what this was
07:11 PM MacGalempsy: perhaps some kind of cell counter?
07:11 PM MacGalempsy: the light table would suggest something in a glass dish
07:11 PM CaptHindsight: I've gotten several things from that seller
07:11 PM gregcnc: www.ebay.com/itm/171660148589 just add spindle?
07:12 PM CaptHindsight: maybe for light cutting negraving
07:12 PM gregcnc: yeah
07:12 PM CaptHindsight: or printing
07:13 PM CaptHindsight: they are typically inspection systems so are not designed for much force
07:15 PM andypugh: Note how all these “not actually a milling machine yet” are about the same price as that F1?
07:16 PM andypugh: <muse> I wonder if anyone has noticed that I have been wanting an Aciera F1 for years and really like the look of them?
07:16 PM gregcnc: if he's cutting with <1/8" cutters it's probably OK
07:17 PM gregcnc: aciera, schaulbin, and the like just isn't common around here
07:17 PM andypugh: Not anywhere.
07:18 PM gregcnc: I'm sure much more likely to be had in europe, how many many it to the states?
07:18 PM CaptHindsight: http://www.ebay.com/itm/Aciera-F1-milling-machine-on-original-stand-/192117356546 $2950 out the door
07:18 PM andypugh: I was astonished when I idly mentioned one in the sense of “but they don’t exist” and then when I looked, there one was, near the guy who wanted one.
07:18 PM R2E4_bevins: loadusr -W xhc-hb04 -H -I xhc-hb04-cfg -s 3 this should get me halui.axis.0.pos-feedback ?
07:19 PM CaptHindsight: a big brother here http://www.ebay.com/itm/Aciera-F5-Precision-Universal-Milling-Machine-Swiss-made-/252757965457
07:19 PM gregcnc: it's entriely possible the US market equalled the rest of the world like many things, but I wouldn't know
07:20 PM andypugh: R2E4_bevins: Err, no. That’s a complete non-sequiter
07:20 PM * roycroft doesn't understand people sometimes
07:20 PM gregcnc: if you get the itch to get all the accessories for you'll forever be broke
07:20 PM roycroft: i found another prospective lathe - machine shop going out of business
07:20 PM roycroft: so i went over to look at it
07:21 PM roycroft: a logan 12x30, and the asking price was $1750
07:21 PM andypugh: Fair, but no bargain.
07:21 PM roycroft: it looked pretty tired, but i figured a logan is a good lathe, and might be worth it
07:21 PM roycroft: then the owner said "yeah, the gearbox crashed, and you'll have to weld up the bearing mounts, line bore, and replace the bearings and some of the gears"
07:21 PM CaptHindsight: gregcnc: this one is complete with the microscope for $1k http://www.ebay.com/itm/Pacific-Precision-Laboratories-Z-Scope-Microscope-w-X-Y-Table-10x-70x-Zoom/132094440062
07:22 PM roycroft: i'm thinking that i don't want to do that but i could get him to drop the price a bit because of it if i decide i'm interested
07:22 PM andypugh: roycroft: So you punched him in the nose for wasting your time?
07:22 PM roycroft: then he said "you know, that's a really nice little lathe - i thin i need to get $2900 for it"
07:22 PM R2E4_bevins: I thought that loadrt would get the signals from the modules for the xhc hb04
07:23 PM roycroft: so another dead end
07:23 PM andypugh: R2E4_bevins: Yes, but that halui pin you mentioned is part of halui. Nothing to do with XHC
07:24 PM andypugh: roycroft: It was worth scrap metal prices.
07:24 PM CaptHindsight: roycroft: yeah, may he be stricken with leprosy
07:24 PM R2E4_bevins: So as long as I load halui it should be there?
07:24 PM roycroft: i figure it is worth about $300 in that condition
07:24 PM roycroft: and it would probably cost me $500 to get it repaired
07:24 PM andypugh: One good/bad thing about eBay is that old machine tools can find a market.
07:25 PM roycroft: the problem is that all the good ones are in the rust belt
07:25 PM andypugh: R2E4_bevins: Yes
07:25 PM roycroft: or way way way overpriced
07:25 PM roycroft: and i'm as far away from the rust belt as one can get
07:25 PM roycroft: and still be in the continental us
07:25 PM roycroft: ohio is a 3 long days drive from here
07:26 PM CaptHindsight: roycroft: deals to be found in California
07:26 PM roycroft: not too many
07:26 PM roycroft: occasionally in la
07:26 PM roycroft: but la is a day and a half from here
07:26 PM roycroft: very few in norcal
07:26 PM CaptHindsight: this time of year is when machines tend to go for the lowest prices
07:26 PM CaptHindsight: spring cleaning time
07:26 PM roycroft: i do see an interesting machinery listing in sacramento once in a while
07:27 PM CaptHindsight: the misses wants it out of the garage/basement/living room etc
07:27 PM andypugh: roycroft: I am jealous of my dad who tooled-up before eBay. He bought his horizontal borer literally for the scrap metal price. Here is is in action. https://www.youtube.com/watch?v=xlqDzQEn69I
07:27 PM roycroft: oregon/washington is a horrible place to buy machinery
07:28 PM gregcnc: capthindsight someone sent me a package from Rockford by fedex smartpost on 2/24 arrived today 3/3
07:28 PM roycroft: it's squeaky!
07:29 PM CaptHindsight: gregcnc: yeah should have been next day arrival
07:29 PM andypugh: It is. I was working at quite extreme diameter to length ratios. A lesser machine would have failed rather than squeaked
07:30 PM * roycroft will keep looking
07:30 PM R2E4_bevins: [HAL] HALUI = halui is in my ini file. so it should be loaded
07:30 PM roycroft: i'd like to get a good deal on something used
07:30 PM roycroft: especially if it's old american iron
07:31 PM roycroft: but the grizzly tent sale is on 6 may, so if i don't find anything by then there's a good chance i'll buy something new and asian
07:31 PM andypugh: Noooooooo!
07:32 PM roycroft: the prices folks ask around here are insane
07:32 PM roycroft: https://oregoncoast.craigslist.org/tls/5966748819.html
07:32 PM roycroft: $1900 for an old south bend that is in pieces
07:32 PM roycroft: and the pieces are literally laying on the ground
07:33 PM gregcnc: posted about a month ago......
07:33 PM gregcnc: for the umpteenth time
07:33 PM andypugh: I used to hate using the Colchester Student in the MC garage because every time I did it reminded me just how much money I had sunk into CNC converting my Cheap Chinese Lathe. And the Colchester Student isn’t even a premium lathe.
07:33 PM roycroft: and i'm sure the seller won't budge a dollar
07:33 PM R2E4_bevins: halui is loaded but those xhc pins are not showing up
07:34 PM R2E4_bevins: signals
07:34 PM andypugh: R2E4_bevins: They won’t. You will get the halui pins, but you only ever get the _signals_ that you create.
07:35 PM gregcnc: writing programs for lathe is not hard, seem many are using cam for simple turned parts
07:35 PM roycroft: if i get a decent 12x36 i'll probably leave it manual
07:35 PM andypugh: Signals are entirely config specifig. You can net pink_unicorns halui.axis.0.jog-plus if you want
07:35 PM roycroft: if i end up getting a 10x22 i'll probably cnc it
07:36 PM roycroft: and eventually get a 12x36 manual lathe
07:36 PM R2E4_bevins: yes, what I am saying is I can see halui in the hal configuration buit no xhc pins
07:36 PM roycroft: i don't care which i get first
07:37 PM andypugh: R2E4_bevins: Can you state your question in the form of a question? What are you actually trying to do?
07:37 PM gregcnc: oh while I remember, anyone used dicing blades to cut anything? www.ebay.com/itm/222426100533
07:37 PM R2E4_bevins: Trying to get the xhc-hb04 working.
07:37 PM andypugh: roycroft: I rarely write G-code, but I use CNC all the time. I just have a set of macros and a GUI.
07:38 PM R2E4_bevins: I dont care about any of the buttons righ now just the mpg.
07:38 PM roycroft: it seems that for some simple turning doing it manually would be easier
07:38 PM roycroft: i think for a milling machine having just one that is cnc would be fine
07:38 PM roycroft: maybe that would work for a lathe as well
07:38 PM andypugh: R2E4_bevins: Ah, in that case you do need some variant of that loadusr XHC…. line you posted. But you originally seemed to be asking why that didn’t create a halui pin
07:39 PM roycroft: but there's also the matter of my enjoying operating a lathe
07:39 PM R2E4_bevins: When I run LCNC it crashes with cant find halui.axis.0.pos-feedback
07:39 PM R2E4_bevins: ah ok.
07:39 PM andypugh: roycroft: Actually not. Because a CNC plain-turning cycle is easier than standing there engaging feed and winding dials
07:40 PM andypugh: roycroft: I really enjoy operating my lathe still.
07:40 PM andypugh: (much more than I have ever enjoyed milling)
07:43 PM andypugh: roycroft: This (in real time) is me making a part with my macros. It’s just like power-feed but with taper and radius options: https://www.youtube.com/watch?v=nIYMfyf4jDI&t=319s
07:45 PM andypugh: (incidentally, that is the ghastly Chinese lathe)
07:47 PM gregcnc: if making a handful or less manual turning is OK I like it too. but I''d rather watch the CNC do it.
07:48 PM andypugh: I think those sprockets are a good medium example, I made 25 to fulfl the world market for Ner-a-Car spares.
07:50 PM gregcnc: did you sell than all?
07:50 PM gregcnc: them
07:50 PM andypugh: Sold them all in less than a week. Didn’t see that as a reason to tool-up for thousands :-)
07:51 PM gregcnc: that's great
07:52 PM roycroft: a small production run like that definitely calls for cnc
07:52 PM roycroft: but for a prototype manual is fine
07:52 PM roycroft: cnc is fine too
07:53 PM andypugh: I make mainly one-off. The macros let me just enter a diameter and length for an op, and press “go”
07:53 PM andypugh: I really do use it like power-feed++
07:53 PM enleth: andypugh: did you publish the source of this cycles GUI anywhere?
07:54 PM andypugh: Yes. https://forum.linuxcnc.org/41-guis/26550-lathe-macros?limitstart=0
07:54 PM andypugh: And, for touch-screen: https://forum.linuxcnc.org/41-guis/26550-lathe-macros?start=150#82743
07:55 PM enleth: andypugh: thanks, bookmarked, will get installed on the ORAC for sure
07:57 PM gregcnc: how are roughing cycles progressing for linuxcnc lathe?
07:57 PM enleth: andypugh: BTW, you provided some input on power drawbars a couple days ago - if you're curious, this is where I'm now designing one for the bridgeport: http://imgur.com/Xp8IaVO
07:58 PM gregcnc: did you find someone to drill the spindle?
07:58 PM andypugh: gregcnc: Ben has gone a bit quiet on roughing cycles.
07:59 PM andypugh: I might need to pick up where he left off.
07:59 PM enleth: andypugh: you can't see it directly on the wireframe side shot, but tool extraction is supposed to be done by the drawbar by butting it against a shoulder in the bore at a depth where the threads are still engaged with the toolholder by 2-2.5 turns or so
07:59 PM enleth: gregcnc: haven't really looked, to be honest
07:59 PM gregcnc: andypugh cycles in fanuc i'm learning are awesome
08:00 PM enleth: gregcnc: replacing the tube in the laser cutter was more important in the last week and I couldn't be bothered to do anything else
08:00 PM andypugh: gregcnc: My remapped version works, if you are desperate.
08:00 PM gregcnc: my linuxcnc lathe isn't ready yet
08:00 PM gregcnc: so no rush
08:01 PM andypugh: enleth: Why not use a pull-stud variant? All the tapers are the same, so you can mix-and-match. I use SK30 tooling with BT30 pull-studs in a spindle made for 30INT.
08:02 PM enleth: andypugh: zero experience with those, to be honest
08:02 PM andypugh: You have seen mine?
08:03 PM enleth: I don't think so
08:03 PM andypugh: https://www.youtube.com/watch?v=pxrzJ_KfcQ0
08:04 PM enleth: as far as I understand, the spindle bore needs a couple precision shoulders, small tapers and whatnot that fit the pullstud grabber type used to work properly
08:04 PM gregcnc: night, cnc drivers
08:04 PM enleth: I'm not sure if trying to design and make that with no chance to do a prototype is a good idea
08:05 PM enleth: especially to fit that into a telescoping quill
08:06 PM andypugh: I was lucky, my spindle had a plain hole all the way through.
08:06 PM enleth: your mill doesn't have that last complication
08:07 PM andypugh: No. But my power drawbar is basically a drop-in replacement for the threaded drawbar.
08:07 PM enleth: ah, you're using an intermediate sleeve
08:08 PM andypugh: It works differently at the toolholder end, but they both react against the spindle top surface.
08:08 PM enleth: no go here, too little space for a mechanism that thick
08:08 PM enleth: I have to make a drawbar that fits into the spindle-bore-to-be directly
08:09 PM enleth: so the spindle itself would need to accomodate whatever the gripper needs around itself to operate
08:10 PM enleth: that's certainly doable, I'm just not sure if that's something I'd be willing to attempt, this modification is tricky enough as it is now
08:14 PM enleth: BTW, I've seen people use pullstuds with ISO30 tooling, just screwing them into the protruding tail. I was wondering if it's at all possible to make a single mechanism that can grab and hold those and the shorter BT/SK holders with no part swaps
08:14 PM andypugh: My drawbar is the most reliable thing I think I have ever made. I think I got lucky. It’s a constant source of amazement to me :-)
08:14 PM XXCoder: so your quality usually is that low? ;)
08:14 PM XXCoder: joking
08:14 PM andypugh: Yes
08:15 PM Wolf_: that is a pretty nice design, may have to copy it if I ever get the bigger machines
08:16 PM andypugh: Most one-offs have an unexpected flaw. So far that flaw has not become evident on the drawbar. Which is good, because some failure modes would require machining parts off to disassemble.
08:18 PM XXCoder: decent video
08:19 PM Wolf_: are the pull stud collets a off the shelf part?
08:19 PM andypugh: The studs are. I made the collets.
08:19 PM XXCoder: well there might be mrket for it.
08:20 PM Wolf_: hmm, what do the commercial machines use for pulling?
08:20 PM Wolf_: I know the studs are off the shelf
08:20 PM andypugh: You can buy them on Amazon. But I had specific design constraints.
08:21 PM Wolf_: so what are you using for the top spring?
08:21 PM andypugh: http://www.ebay.co.uk/itm/BT30-45-4-Petal-Clamp-Pull-claw-for-cnc-Spindle-w-45-degree-outer-screw-/181798954826?hash=item2a540fe74a:g:uVQAAOSwNRdX46DT
08:23 PM andypugh: Wolf_: I have a stack of disc-springs actually inside the tube. The whole thing works (in theory) without the release-cylinder in place.
08:23 PM R2E4_bevins: Was halui changed in pre8? I am trying to follow some xhc examples in forum and a bunch pf halui pins do not exist.
08:24 PM andypugh: R2E4_bevins: There are extras. You get per-joint and per-axis pins now. haui.joint.0.jog and halui.axis.x.jog..
08:25 PM Wolf_: yeah, I can see how the cylinder setup works, how much force worth of belleville washers?
08:25 PM andypugh: You won’t find “axis” and a number any more. axis.0.jog will be axis.x.jog now, and so on.
08:25 PM andypugh: Wolf_: 3kN
08:25 PM R2E4_bevins: I found that out.
08:25 PM R2E4_bevins: Trying to find halui.jogspeed
08:26 PM Wolf_: hmm so 674.5lbs of force…
08:28 PM andypugh: It’s on the lower edge of what is considered sufficient.
08:29 PM R2E4_bevins: so if they changed it in pre8 and xhc module was not changed, it is not going to work?
08:35 PM Wolf_: funny, I think thats around the same load that I’m using for my R8 collet setup 12.2mm ID, 25mm OD 2.9kN working, 3.8kN flat load
08:41 PM andypugh: R2E4_bevins: You should be able to just edit the HAL.
08:41 PM R2E4_bevins: yeah, I am working on that
08:41 PM andypugh: That’s the great thing about HAL, any pin can connect to any pin.
08:49 PM R2E4_bevins: OK, I got it, now that I know pin schema was changed....lol
08:50 PM R2E4_bevins: where can I find what has been and what is being worked on in pre8XX
08:52 PM andypugh: http://linuxcnc.org/docs/devel/html/getting-started/updating-linuxcnc.html#_updating_configuration_files
09:00 PM XXCoder: custom fuel cap https://www.youtube.com/watch?v=9IONw9vEiRk
09:10 PM Tom_itx is now known as Tom_L
09:14 PM andypugh: He could be a lot less gentle. He is taking tiny cuts at low feed and sped.
09:15 PM insomnia is now known as BipolarBear
09:15 PM XXCoder: comment there said much the same
09:16 PM XXCoder: though other said unsure if small lathe can handle
09:18 PM andypugh: And Dremeling off the pins? Maybe he doesnt have a hacksaw?
09:19 PM andypugh: There again, my woodworking neigbour was astonished when I just took a kacksaw to the 1” steel bar he asked me to cut.
09:19 PM andypugh: (hacksaw, I mean)
09:23 PM andypugh: I have set about a 6” bar with a hacksaw, but expecting to be at it for anhour or more.
09:24 PM andypugh: Anyway, time to sleep.
09:37 PM MacGalempsy: making chips tonight with dip?
09:39 PM * roycroft made gnocchi tonight
09:39 PM * XXCoder needs to think on what to make.
09:40 PM MacGalempsy: what is gnocchi?
09:40 PM MacGalempsy: soylent?
09:40 PM roycroft: an italian pasta made with potato and flour
09:40 PM XXCoder: my box of soylent finally arrived today lol
09:41 PM XXCoder: 2 plain soylent 2.0 and one each flavor (not coffee)
09:41 PM MacGalempsy: yummm
09:42 PM MacGalempsy: i found out more about the amish food around here.
09:42 PM MacGalempsy: all fresh no preservatives
09:42 PM roycroft: i should have made the mozzarella cheese from scratch
09:43 PM roycroft: but it's friday night and i was not that ambitious
09:45 PM MacGalempsy: south park, jail-type workout circuits, and a 2500hp drill is the start of the perfect evening
10:03 PM R2E4_bevins: How can I touchoff axis with mdi command?
10:07 PM Tom_L: http://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g38
10:11 PM MacGalempsy: Tom_L: whats going on tonight?
10:12 PM Tom_L: very little
10:12 PM Tom_L: drillin holes tonight?
10:13 PM XXCoder: im kinda stuck on plan
10:13 PM XXCoder: dunno lol
10:15 PM MacGalempsy: yep. 40ft/hr
10:15 PM Tom_L: what diameter is the hole?
10:15 PM Tom_L: always wondered that
10:15 PM MacGalempsy: 8 3/4"
10:16 PM Tom_L: ever break a bit down there?
10:16 PM MacGalempsy: we try to avoid that :)
10:17 PM Tom_L: oh i'm sure of that
10:17 PM MacGalempsy: usually when it starts to drill slow we'll make a trip
10:17 PM SpeedEvil: The hardest part is finding 8 3/4" wide welders.
10:18 PM MacGalempsy: sometimes you'll see shavings in the shakers, which is where the rock chips are separated from the drilling fluid
10:18 PM SpeedEvil: How deep are you going? Deep enough it gets hot?
10:18 PM MacGalempsy: we are at 14500' down. its 260f
10:19 PM MacGalempsy: heard of a new unit this week. tonne/miles
10:19 PM XXCoder: "delved too greedily and too deep"
10:20 PM _methods: that's how you end up with a balrog on your bridge
10:21 PM XXCoder: yep
10:22 PM MacGalempsy: heh. tonne/miles is used to calculate change out criteria on a drilling rigs line that lifts the topdrive (where the drill pipe is connected)
10:22 PM SpeedEvil: 260F - I was wondering as the recent NASA announcement they'd gotten chips working at venusian temperatures - which would be an advance over the ~250C or so available for downhole electronics now
10:22 PM MacGalempsy: down in louisiana we would be at 18k ft and the temps were like 400+
10:23 PM SpeedEvil: Honeywell IIRC had a webstore at one point. 8031s for $500 at that temp.
10:23 PM MacGalempsy: the electronics dont seem to wear out as fast as the rubber seals
10:23 PM MacGalempsy: so im told
10:24 PM SpeedEvil: MacGalempsy: I mean where you're limited in temp.
10:24 PM _methods: https://curazy.com/archives/167446
10:24 PM _methods: spreadable coffee
10:25 PM MacGalempsy: the service guys require a rebuild at 300
10:34 PM _methods: just go 21.5
10:34 PM CaptHindsight: hand tap
10:35 PM CaptHindsight: it's for optics
10:35 PM CaptHindsight: has to stay in place with virtually no load
10:36 PM _methods: 21.5 should be fine then
10:36 PM CaptHindsight: shipping will be it's greatest demand
10:36 PM _methods: i would think
10:36 PM CaptHindsight: 21.35 it is :)
10:36 PM _methods: or a standard drill size in that range
10:36 PM _methods: whatever is easier to get ahold of
10:36 PM CaptHindsight: going to mill it
10:38 PM CaptHindsight: 21.4313mm .84375" 27/32"
10:38 PM CaptHindsight: 21.5mm .8465"
10:41 PM _methods: probably easier to get 27/32
10:49 PM CaptHindsight: not in the next 15 minutes
10:53 PM robertj: is there wiki somewhere that has alist of the usual suspects for stepper motors?
10:53 PM R2E4_bevins: Man, got my x, Y moving at 2000 inches per minute
10:53 PM R2E4_bevins: whew thats fast
10:54 PM robertj: :)
10:54 PM Wolf_: hmm, this could be fun, killing the plan to buy a crappy china laser cutter, going to build one instead…
10:56 PM Tom_itx: robertj what exactly are you looking for?
10:56 PM XXCoder: wolf probably cheaper for a given qualty too
10:56 PM Wolf_: yeah, thats the thought I had
10:56 PM robertj: Tom_itx, I want to do 3d milling on steel with very fine precision
10:57 PM XXCoder: hey wolf im sure you checked out video I made?
10:57 PM XXCoder: you helped me a LOT to make it work lol
10:57 PM robertj: i've made a lowball offer on proper mill that would need to be modified, but i think im gonna plan to build a 3d router table anyway
10:57 PM Wolf_: can go with quality linear motion stuff, 100w laser tube, psu and probably smoothy board using LaserWeb control :)
10:58 PM Wolf_: XXCoder: which vid? lol
10:58 PM XXCoder: onje where it cuts bamboo floor sample
10:58 PM Wolf_: nope haven’t seen it
10:58 PM XXCoder: ok a second
10:59 PM XXCoder: https://www.youtube.com/watch?v=kZXK1ljoxF8
10:59 PM Wolf_: damn, nice :)
10:59 PM XXCoder: it is.
10:59 PM XXCoder: I really love the world heightmap
11:00 PM XXCoder: it was made 2x by mistake but next one will be better, and bigger
11:00 PM XXCoder: (2x in height)
11:01 PM XXCoder: the dry run before that https://www.youtube.com/watch?v=1JMSRF6Q9uw
11:01 PM Wolf_: other plus to DIY the laser thing is I can make it modular so it can be broken down to move
11:03 PM _methods: https://www.youtube.com/watch?v=Bt9zSfinwFA
11:03 PM _methods: just say no to vertical video
11:04 PM XXCoder: ya usually do horzional but was last minute "oh yeah should make video"
11:04 PM XXCoder: love the video.
11:05 PM _methods: so you're in the 2nd group then.........
11:05 PM XXCoder: LOL the youtube 4 video bit
11:08 PM XXCoder: im not in either group, usually do horzional like I said :P
11:09 PM R2E4_bevins: G10 L20 P0 X0 would that do a touchoff for X in G54?
11:15 PM Wolf_: http://linuxcnc.org/docs/html/gcode/g-code.html#gcode:g10-l2
11:15 PM R2E4_bevins: lol, thanks....
11:16 PM Wolf_: scroll down some lol
11:16 PM Wolf_: G10 L20 P1 X1.5 (set the X axis current location in coordinate system 1 to 1.5)
11:17 PM Wolf_: P0 would be cords the machine homes off of
11:17 PM R2E4_bevins: yeah, I didnt see if explaining the P because I was looking in G10 L20 and it is in the beginning of the section...
11:17 PM Wolf_: I think touching off would be G54 or P1
11:18 PM Wolf_: I’m usually jogging when I do touch offs so I just use the gui buttons :D
11:18 PM R2E4_bevins: After you home in axis and do a touchoff of x and Y does it do it in G54 unless you specify different?
11:19 PM Wolf_: really, I haven’t paid that much attention when I have been running my cnc lmao
11:20 PM R2E4_bevins: I think P0 is whatever offset you are in re: after homing you move and unless you specify something different you are in G54 and when touchoff it sets G54 offsets.
11:20 PM R2E4_bevins: At least that is what I thought.
11:21 PM R2E4_bevins: I rarely use G55 or any of the other coord sys
11:21 PM Wolf_: well, the link to the docs has the coordinate system table
11:21 PM Wolf_: I haven’t run my machine in about 8 months so I forget how it works
11:21 PM Wolf_:
11:22 PM R2E4_bevins: yeah, I see that. Just dont know if the active is the current coords.
11:22 PM R2E4_bevins: you havent rubn your machine in 8 months?
11:22 PM Wolf_: nope lol
11:23 PM R2E4_bevins: So I hope your not using it to pay the bills....lol
11:23 PM Wolf_: its a x1 converted, it couldnt pay bills if it needed to
11:24 PM R2E4_bevins: lol
11:24 PM R2E4_bevins: small bills maybe
11:26 PM Wolf_: laser cutter/engraver and cnc plasma table are intended to pay bills
11:32 PM R2E4_bevins: yeah, I want to do a plasma, rather have laser but cant afford big enough laser head
11:34 PM Wolf_: what are you thinking of cutting?
11:34 PM Wolf_: for the laser...
11:37 PM Wolf_: ouch, I’m looking at $1550 ish w/ shipping for just the 100W tube and PSU...
11:41 PM XXCoder: ow
11:42 PM Wolf_: that leaves a budget of $1130 to come in below the cost of a POS china “100w” ebay special lol
11:43 PM SpeedEvil: First find large cardboard box for enclosure.
11:45 PM XXCoder: sadly the cheapest method is just not doing it lol
11:46 PM CaptHindsight: woohoo came out perfect
11:47 PM XXCoder: what did?
11:47 PM CaptHindsight: M22-0.75 thread
11:47 PM XXCoder: making your own screws?
11:48 PM R2E4_bevins: cutting 1/4 steel
11:48 PM CaptHindsight: tapping holders for optics
11:48 PM CaptHindsight: 1" 6061
11:49 PM Wolf_: hah, yeah big damn laser for 1/4 steel
11:50 PM CaptHindsight: nice way to finish off a week after starting out by drill holes 0.1" out place :(
11:54 PM CaptHindsight: this system just melts plastics
11:54 PM CaptHindsight: can mark just about anything
11:54 PM Wolf_: fiber laser?
11:54 PM CaptHindsight: RF CO2
11:55 PM CaptHindsight: calling it a night since it can only go downhill from here
11:56 PM CaptHindsight: https://www.coherent.com/lasers/main/co2-and-co-lasers