#linuxcnc Logs
Nov 21 2018
#linuxcnc Calendar
01:38 AM ChunkyPuffs: Shit's working really well now with a 3mm bit
01:42 AM ChunkyPuffs: incredibly well in fact, I figured out the stepping
01:42 AM ChunkyPuffs: fusion360 is incredible software, all I can say
01:42 AM ChunkyPuffs: the adaptive clearing algorithm man, does freecad have anything like it?
01:56 AM Deejay: moin
02:17 AM Contract_Pilot: Howdy Everyone..
03:43 AM ChunkyPuffs: anybody good enough with a cnc to tell me whether what I'm doing is a bad idea?
03:43 AM ChunkyPuffs: 3mm bit 15mm depth cut
03:43 AM ChunkyPuffs: lots of passes, each pass is 4mm on the 3mm bit
03:43 AM ChunkyPuffs: so it digs 4mm at a time. I'm doing 1120mm/min at 13000rpm, is this valid?
03:43 AM ChunkyPuffs: you can see the cut taking place at https://twitch.tv/memetic_
03:48 AM rmu: ChunkyPuffs: there is some development in freecad re adaptive clearing
03:48 AM rmu: ChunkyPuffs: look at 0.18 daily builds
03:50 AM Loetmichel: ChunkyPuffs: that seems an awfully lot
03:50 AM Loetmichel: in what material
03:50 AM Loetmichel: ?
03:50 AM ChunkyPuffs: what looks like some pine
03:50 AM Loetmichel: ah, pine
03:50 AM ChunkyPuffs: I haven't yet got a concept of how fast you can go based on your rpm
03:51 AM ChunkyPuffs: it's a 3mm bit so I don't want to go too fast on the feedrate else I'll snap it
03:51 AM Loetmichel: that should work then provided you tool is SHARP, has enough room for swarf to escape AND your machine is rigid
03:51 AM ChunkyPuffs: I've snapped two bits, but things seem to be going just fine with my intuition now
03:51 AM ChunkyPuffs: I only really started learning about 9 hours ago
03:51 AM ChunkyPuffs: I've been streaming for around 8
03:51 AM Loetmichel: dont you have that HeiZ piece of garbage?
03:51 AM ChunkyPuffs: yeah you can see it on stream I think the name is on the aluminium
03:51 AM ChunkyPuffs: it's not that bad lol
03:52 AM Loetmichel: then dial it down to 1mm each pass
03:52 AM Loetmichel: that machine is not rigid at all
03:52 AM ChunkyPuffs: Seems fine at 4mm per pass
03:52 AM Loetmichel: it cant cope with the forces involved in 4mm DOC
03:52 AM ChunkyPuffs: genuinely, the last part came out, I just set the bit wrong so I couldn't pull it out
03:52 AM ChunkyPuffs: maybe I'm a noob and can't tell, but it's really sharp
03:52 AM Loetmichel: it will not be precise AND it may dig in and break the bit off
03:53 AM ChunkyPuffs: right, but like I said, that's not happening and has consistently not happened
03:53 AM ChunkyPuffs: I don't have a proper scope for how it all works, but it seems to be working quite fine now, I've only broken two bits because of complete idiocy relating to that
03:53 AM ChunkyPuffs: 4mm per pass is fine, it seems, even if it's pushing it
03:54 AM Loetmichel: the forces deflect the gantry and z axis, so the mill bit moves out of the intended path, and it can dig into the material if there is an "astloch" and it suddenly gets harder resulting in it "biting more that it can chew" and breaking off
03:54 AM ChunkyPuffs: also no, you're wrong about the rigidity, it seems absolutley fine, there are no signs of blatant innaccuracy that I can see
03:54 AM ChunkyPuffs: sure but I'm at 13000 rpm
03:54 AM ChunkyPuffs: so how can it chew?
03:55 AM Loetmichel: for wood and 2 flute tungten carbide mill bits i woud recommend 24kRPM or more
03:55 AM ChunkyPuffs: I'm using a 3 flute hss
03:55 AM Loetmichel: next point is that if you go so deep it can clog up because it cant get the swarf out in time
03:55 AM Loetmichel: ouch
03:55 AM ChunkyPuffs: these terms lol
03:55 AM Loetmichel: HSS and wood is a nono
03:55 AM ChunkyPuffs: you can see the progress of the cut
03:55 AM ChunkyPuffs: wtf you guys are honestly so fucking pessimistic
03:56 AM Loetmichel: it will be dull in less than 10 meters
03:56 AM ChunkyPuffs: you really don't get the mindset that I and most people are coming at this from
03:56 AM Loetmichel: we are not pessimistic, we are realistic
03:56 AM ChunkyPuffs: I just want to learn, I'm not buying fancy bits, you're extraordinares.
03:56 AM Loetmichel: i have a cinse 6040 and built 8 gantry type mills myself now... i know what they can and cant do
03:56 AM Loetmichel: chinese
03:56 AM ChunkyPuffs: I've stated this over and over, I don't care about dulling or breaking my practice bits
03:57 AM Loetmichel: you can of course take a dull bit and burn your way thru the wood
03:57 AM ChunkyPuffs: you can see the progress on the stream anyway, and the part is coming out fine, despite what you're saying
03:57 AM Loetmichel: just dont come complaining when your workshop gets up in flames
03:57 AM ChunkyPuffs: I don't get the burning, there is no sign of burning
03:58 AM Loetmichel: the signs will appear shortly
03:58 AM sensille: ChunkyPuffs: trust Loetmichel
03:58 AM ChunkyPuffs: see what I mean about the pessimism? I'm just learning.
03:58 AM ChunkyPuffs: You can see my workshop go up in flames if you like, if you're really thinking that'll happen.
03:58 AM Loetmichel: yes, and i try to teach you a thing or two. if you dont want to listen its your problem though.
03:59 AM ChunkyPuffs: I want to cut, I'll listen, but you're not going to prevent me from cutting to learn the wise ways of the grasshopper
03:59 AM ChunkyPuffs: listen, what is it that you want me to do?
03:59 AM Loetmichel: no, i dont want your workshop go up in flames. i want to spare you that experience
03:59 AM ChunkyPuffs: Pay expensive money for expensive bits just so I can be perfect?
03:59 AM Loetmichel: thats what its all about
03:59 AM ChunkyPuffs: I do not give a flying fuck about perfect, I just want to practice
03:59 AM Loetmichel: a 3mm tungsten carbide bit is less than 5 eur
03:59 AM ChunkyPuffs: and you're explaining completely irrelevant things to me that are far too advanced
04:00 AM ChunkyPuffs: You're being supreme, just let me practice will you lol
04:00 AM ChunkyPuffs: I'm not doubting your expertise, I know everyone in here is a pro.
04:00 AM Loetmichel: https://www.sorotec.de/shop/VHM-Fr-ser-Zweischneider--3-0mm-15mm.html
04:00 AM ChunkyPuffs: But you're acting as if cnc machines aren't to be fucked with.
04:00 AM Loetmichel: ok, 8 eur
04:00 AM ChunkyPuffs: I am not buying bits. 8 euros is too expensive.
04:00 AM Loetmichel: still cheap as fu**
04:01 AM ChunkyPuffs: I know you mean well, but I'm not buying bits, I'm practicing on 3mm freebies.
04:01 AM ChunkyPuffs: And if you can't see beyond that, then you're just being silly and treating me like I'm far more advanced than I actually am.
04:01 AM Loetmichel: your decision. that bit would last pretty much forever in wood. the HSS bit will dull in no time.
04:02 AM ChunkyPuffs: Sure, and I'll buy it when I'm in the market for buying bits, which will be soon.
04:02 AM ChunkyPuffs: But for now all I wanted to know is the status of 13k RPM, 3mm bit, 4mm passes, 15mm depth, hss
04:03 AM Loetmichel: point is that any feed/speed/DOC advice you will get here is meant for sharp bits , because nobody that does this for a while will intentionally use a dull/wrong bit.
04:03 AM ChunkyPuffs: So is there a place that is less perfectionist, more practical and more noob friendly than this that I can go to?
04:04 AM ChunkyPuffs: for learning, instead of being told I shouldn't use hss to cut wood, despite that being all I have.
04:04 AM Loetmichel: as i said: with that weak HeiZ machine you should go down in depth of cut, high forces can cause the bit to deflect and break off
04:04 AM Loetmichel: but you dismissed that advice already twice, i am done here.
04:04 AM ChunkyPuffs: Sure, and I believe you, but why are these 4mm cuts working well for now?
04:04 AM ChunkyPuffs: I don't care about wearing the bit out right now, I just care about speed.
04:05 AM ChunkyPuffs: In the future, I will follow that advice, but the cut is IN PROGRESS right now, I can't change it.
04:05 AM ChunkyPuffs: You weren't here 50 mins ago when I was generating the gcode, so I couldn't apply that. So I appreciate it, but I just want to know why 4mm is working so well for me right now
04:07 AM ChunkyPuffs: I've been given advice right now by someone probably less advanced, but experienced enough in CNCing, to turn up the spindle to 20k and increase feed speed slowly
04:07 AM ChunkyPuffs: hss 3mm 4mm passes to 15mm depth
04:10 AM XXCoder: Loetmichel: lol I have some really shot 1/16 ball endmills from work. it engraved inocel. works well on wood though, to point where my spindle stopped spinning and it went though wood and didn tbreak
04:10 AM ChunkyPuffs: lolol
04:10 AM XXCoder: granted it was pine but... lol
04:10 AM ChunkyPuffs: The cut is falling apart, you got your last laugh :D
04:10 AM ChunkyPuffs: but it's not burning though
04:11 AM ChunkyPuffs: for a different reason, the cut is falling apart
04:11 AM XXCoder: cut is falling apart?
04:11 AM XXCoder: hopeully not cnc is falling apart lol
04:12 AM ChunkyPuffs: yeah
04:12 AM ChunkyPuffs: you can see at my stream if you have the link, scroll up
04:12 AM ChunkyPuffs: you can see it falling a-fucking-part lmfao
04:12 AM XXCoder: looking
04:18 AM Loetmichel: XXCoder: totally probable, especially with a weak gantry mill
04:18 AM Loetmichel: i managed to weld my tungten carbide bit to my cast iron vice once
04:18 AM XXCoder: interesting. machine looks a lot more beefier than mine
04:19 AM XXCoder: maybe not tightened down enoufgh or something?
04:19 AM Loetmichel: because it moved into it form the side
04:19 AM XXCoder: ow
04:19 AM Loetmichel: at 24kRPM ;)
04:19 AM XXCoder: 'I welded endmill into nylon once. learned why they use shitload of coolant at work
04:19 AM Loetmichel: and the steppers werent beefy enough to break it... so it stopped and friction welded in place
04:20 AM Loetmichel: it was white hot in the time it took to press the estop
04:20 AM XXCoder: did you manage to remove?
04:20 AM Loetmichel: hammer and chisel...
04:20 AM XXCoder: yep thats hot enough for 2 is now one thing
04:24 AM Loetmichel: ChunkyPuffs: the spped per tooh and chip load are the deciding factors
04:24 AM Loetmichel: speed
04:26 AM Loetmichel: ChunkyPuffs: read that: http://www.cenon.de/toolKnowHow/index.html
04:26 AM Loetmichel: you are german, arent you?
04:38 AM miss0r: He sounds like an english chap :)
04:42 AM miss0r: ChunkyPuffs: So, will you be showing any cutting in a near future? I'm curious as to how well the HeiZ runs..
04:45 AM jthornton: morning
04:45 AM miss0r: morning jt
04:46 AM XXCoder: yo jt
04:53 AM rmu: miss0r: they use 10mm ballscrews, that are 1,2m long. my table book says a 8mm ballscrew should not be longer than about 0,6m, and that is without any load!
04:54 AM miss0r: I didn'y say I had high expectance :)
04:54 AM rmu: 16mm would be appropriate IMHO
04:55 AM miss0r: indeed
04:55 AM miss0r: but that would break the back of the machine
04:55 AM ChunkyPuffs: miss0r: yeah
04:56 AM ChunkyPuffs: I was cutting earlier, will be cutting again in about 10 mins
04:56 AM jthornton: you building something?
04:56 AM ChunkyPuffs: just testing shit
04:56 AM ChunkyPuffs: trying to cut a basic part for a remote, nice and complicated lol
04:57 AM ChunkyPuffs: be cutting in about 10 mins honestly just need to gen this toolpath
04:58 AM ChunkyPuffs: the guy who invented adaptive clearing, literally, was just in the room talking
04:59 AM ChunkyPuffs: will be doing smaller pecks at your advice Loetmichel
05:01 AM miss0r: Looking forward to it then
05:06 AM Loetmichel: rmu: worse than the ballscrews are the 20mm cylindrical unsupported rails on the 1.2m length that carry the whole gantry...
05:07 AM Loetmichel: or it may be 25mm
05:07 AM weenerdog: howdy
05:07 AM Loetmichel: and of course no ball cage linear slides but simple sintered bronce ones that have play or are stuck
05:08 AM Loetmichel: mornin, weenerdog
05:08 AM weenerdog: good morning :>
05:13 AM rmu: Loetmichel: 22mm... yeah, not optimal, that's bad for accuracy and all, but it won't be damaged in regular use
05:13 AM rmu: Loetmichel: the ballscrews can buckle when subjected to any kind of load
05:14 AM rmu: Loetmichel: it happend with the trapezoidal screws on my heizfräse
05:14 AM Tom_itx: morning jthornton
05:14 AM Tom_itx: i see Loetmichel got a dose of the noob
05:14 AM XXCoder: hey tom
05:14 AM Tom_itx: morning
05:14 AM jthornton: I missed it as he is on ignore for me lol
05:15 AM Tom_itx: he did finally slow it down a bit
05:16 AM miss0r: jthornton: Who is on ignore? :)
05:16 AM * miss0r wonders what he missed :D
05:16 AM XXCoder: me
05:16 AM XXCoder: ;)
05:16 AM miss0r: ha.. ?
05:16 AM jthornton: lol
05:16 AM Tom_itx: 30°F Hi 59
05:16 AM weenerdog: i will be when i start my build :P
05:17 AM weenerdog: by alla yez
05:19 AM Tom_itx: ChunkyPuffs, you should read this: https://discuss.inventables.com/t/a-guide-to-understanding-basic-feeds-and-speeds/15583
05:21 AM Tom_itx: https://www.destinytool.com/speeds--feeds.html
05:21 AM weenerdog: does it discuss whether you are getting paid hourly or piecework? :)
05:22 AM Tom_itx: goodpiecework
05:23 AM * Tom_itx wonders what the chipload is on pumpkin pie
05:24 AM jthornton: about 9 pounds lol
05:26 AM XXCoder: lol
05:26 AM XXCoder: if its detectable youre doing it wrong
05:27 AM weenerdog: i'm going to gf's sister's tomorrow. first time in years i haven't had to bust ass cooking all day :)
05:29 AM jthornton: after the last 4 days of eating out I think we are going to have a turkey sandwich minus the bread for tomorrow
05:31 AM ChunkyPuffs: miss0r: we're cutting
05:32 AM miss0r: ChunkyPuffs: Is it even cutting? it seems realy slow
05:33 AM miss0r: At those rpms(? 15-20k ?) You should move it alot faster
05:33 AM miss0r: move=feed
05:33 AM ChunkyPuffs: it is cutting yeah
05:33 AM ChunkyPuffs: let me show you
05:34 AM miss0r: The only thing I got from that was seasick
05:34 AM ChunkyPuffs: sorry hah should have a better view now though
05:34 AM miss0r: I would think you should up the feed a pretty amount
05:35 AM miss0r: if the router is 'stiff' enough
05:35 AM ChunkyPuffs: can you see it?
05:35 AM ChunkyPuffs: the router is not stiff
05:35 AM ChunkyPuffs: the router is renowned for not being stiff according to many here lol
05:36 AM miss0r: hehe. Indeed. But I still think you can feed faster at those RPMs without having a too high chip load
05:36 AM miss0r: or the router is even crummier than I thought
05:36 AM ChunkyPuffs: I'm just too afraid to since it's a 3mm bit
05:37 AM miss0r: well... How fast is the spindle going?
05:37 AM miss0r: and what is your feed?
05:37 AM ChunkyPuffs: the spindle is 13k and the feedrate is 1060mm/min
05:38 AM miss0r: That sounds like you are feeding it a wee bit too slow in my ears
05:38 AM miss0r: how many flutes on that 3mm cutter?
05:38 AM ChunkyPuffs: 3
05:38 AM ChunkyPuffs: I just gave it some more juice
05:38 AM ChunkyPuffs: you can see the feedrate on the topright
05:39 AM ChunkyPuffs: thanks so much for helping out and watching btw, this is exactly what I wanted from this chat :D
05:40 AM miss0r: I probably would try to slowly push it to around 1600mm/min
05:40 AM ChunkyPuffs: seriously?
05:41 AM miss0r: Maybe it breaks because the frame flexes. maybe it wont :)
05:41 AM miss0r: Either way, you'll know
05:41 AM miss0r: Take it a step at a time - listen & feel
05:41 AM ChunkyPuffs: seems pretty nice now to be honest
05:41 AM ChunkyPuffs: no inconsistencies in the sound
05:42 AM ChunkyPuffs: just straight cutting, will play around
05:43 AM miss0r: Now that you are getting to know your machine(for better & for worse) is the time to break some endmills, to see what it can/cannot do and build some basis knowledge and spine feeling about how to go about using it
05:43 AM miss0r: In the future when you are cutting something important, that is when you want to be conservative so you don't mess up stuff
05:44 AM ChunkyPuffs: I personally think 1250mm/min is about right to my ear as you're suggesting
05:44 AM miss0r: Another important thing to take into account: What is your width/depth of cut?
05:44 AM miss0r: .. I would try to push it closer to 1600 and see what that sounds like
05:45 AM ChunkyPuffs: the width of cut?
05:45 AM ChunkyPuffs: the depth is 15mm
05:45 AM miss0r: how much of the cutter is engaged?
05:45 AM ChunkyPuffs: each cut/peck is 4mm deep with a 3mm bit
05:45 AM ChunkyPuffs: what do you mean by that?
05:45 AM miss0r: stepover?
05:45 AM ChunkyPuffs: dunno what that is quite yet
05:45 AM miss0r: erhm...
05:46 AM miss0r: what is the distance from center of the last pass to the center of the current pass?
05:46 AM ChunkyPuffs: oh all of it
05:46 AM miss0r: so a 3mm stepover?
05:46 AM ChunkyPuffs: oh man idk that's a fusion thing I didn't pay too much attention to
05:46 AM ChunkyPuffs: I think probably all of it is in action
05:46 AM miss0r: That also affects the amount of forces excerted on the tool while cutting
05:47 AM miss0r: Push the feed higher:)
05:47 AM weenerdog: drive it like ya stole it
05:47 AM ChunkyPuffs: is running too slow with a high rpm likely to snap the bit?
05:47 AM ChunkyPuffs: I have already broken 2 bits, I don't really want to break another one
05:47 AM miss0r: nope-
05:47 AM ChunkyPuffs: this seems like it's going well
05:47 AM miss0r: well
05:47 AM miss0r: it will dull the cutter if you run too slow, in term breaking it because it cannot cut anymore
05:47 AM ChunkyPuffs: It's going well and I would honestly not want to snap the bit at this point until I have some more practice material
05:48 AM ChunkyPuffs: no say I'm running too fast
05:48 AM miss0r: if you feed it too fast?
05:48 AM ChunkyPuffs: I'm running at 13k rpm right now, which you're saying is too fast for the feed
05:48 AM ChunkyPuffs: rpm, not feed, my bad
05:49 AM miss0r: well.. I would probably also run a 3mm bit at around 13000rpm on my desktop cnc. But I would feed it faster
05:49 AM ChunkyPuffs: and what variables affect whether it will snap imminently?
05:49 AM miss0r: you could bump it up 50rpm at a time, untill it starts to sound funny, then back off a bit
05:49 AM miss0r: well, too high feed will snap it at once, almost
05:49 AM miss0r: if you run it too slow
05:50 AM miss0r: RPM
05:50 AM ChunkyPuffs: right and I understand why
05:50 AM ChunkyPuffs: but what if I run "too high" rpm
05:50 AM ChunkyPuffs: is there such a thing?
05:50 AM miss0r: Might I recommend you get G-code wizard? Excellent tool for beginners, and more practiced users. It can guide you in feed'n speed
05:50 AM miss0r: sure :)
05:51 AM ChunkyPuffs: will try it out sure
05:51 AM miss0r: You 'can' run too fast. but as long as you feed to match it will be fine, up until a point where the power output of the spindle cannot keep up, and the cutter snaps
05:51 AM miss0r: in wood that is. Theres other variables to think about with other materials
05:51 AM ChunkyPuffs: it's running at 14k rpm actually, my bad
05:52 AM miss0r: go 1300 on the feed, lets listen to that for a while
05:52 AM ChunkyPuffs: do I have to push the feed up slowly?
05:52 AM ChunkyPuffs: and we're on 1300
05:53 AM miss0r: that doesn't sound half bad, does it?
05:53 AM ChunkyPuffs: It sounds higher pitched, which to me for a long time meant bad things
05:53 AM ChunkyPuffs: ouch
05:53 AM ChunkyPuffs: did you hear that
05:54 AM ChunkyPuffs: bad sound
05:54 AM ChunkyPuffs: I put it down
05:54 AM miss0r: yeah
05:54 AM miss0r: did it break? :)
05:54 AM miss0r: sounds like it is gone
05:54 AM ChunkyPuffs: ffs
05:54 AM ChunkyPuffs: this isn't funny
05:55 AM ChunkyPuffs: I did say it was going fine
05:55 AM miss0r: Well, now we know what is up.
05:55 AM ChunkyPuffs: annoying
05:55 AM ChunkyPuffs: I already broke two bits, I told you, I didn't want to push it
05:55 AM ChunkyPuffs: last time I take serious advice from you
05:55 AM miss0r: woah.
05:56 AM miss0r: Yeah, you don't have to worrie about that.
05:57 AM ChunkyPuffs: hold on....
05:57 AM ChunkyPuffs: it might have failed for a different reason
05:57 AM ChunkyPuffs: I think it hit a screw
06:00 AM ChunkyPuffs: so dumb
06:01 AM miss0r: What an ass.
06:02 AM miss0r: Oh well. I'm off for lunch. See you around
06:05 AM ChunkyPuffs: thanks for the help miss0r
06:10 AM jthornton: hmm today looks like a nice day high of 56°F and sunny
06:10 AM Loetmichel: hmm... anyone a hint how to stream video from a linuxCNC machine? i have a spare webcam here... but being behind a company firewall doesent make that easier...
06:10 AM XXCoder: nice
06:10 AM jthornton: I've never tried that before
06:10 AM miss0r: Loetmichel: I know of a way, but that way does not allow for sound
06:10 AM XXCoder: firefall thats fun
06:11 AM XXCoder: *wall
06:11 AM miss0r: firefall sounds cooler
06:11 AM miss0r: like a waterfall, only with FIRE!
06:11 AM Loetmichel: miss0r: i can do it inside the lan with vlc... but no ide how to get that to external...
06:11 AM Loetmichel: tried youtube streaming already, it wants me to install chrome...
06:11 AM Loetmichel: not a good idea i think
06:12 AM miss0r: Loetmichel: I did it alot of years ago, where it basically uploaded one frame at a time, to a viewer updating ever so often.
06:12 AM Loetmichel: yeah, did the same 15 years ago at my old company
06:12 AM miss0r: but this was build around an internet connection that did not allow for direct video stream because of poor speed :)
06:12 AM miss0r: hence the method
06:12 AM Loetmichel: could still do that if i remember my servers ftp PW ;)
06:12 AM miss0r: :]
06:13 AM miss0r: anyway. That lunch is not going to eat itself... bbiab
06:14 AM ChunkyPuffs: miss0r: I'm continuing from another bit
06:14 AM ChunkyPuffs: what do you reckon? good idea?
06:14 AM ChunkyPuffs: probs a bad idea
06:25 AM Loetmichel: ChunkyPuffs: dont you have a 2 flute bit?
06:25 AM Loetmichel: would be better for wood
06:27 AM ChunkyPuffs: I don't right now that I'm aware of
06:27 AM ChunkyPuffs: well, we do, but we don't have the collet
06:27 AM ChunkyPuffs: so it's useless, but we found a large collection of collets earlier, maybe we can find one
06:28 AM Loetmichel: problem is that with a 3 flute you have less room for the swarf to escape
06:29 AM Loetmichel: so it will clog eventually, especially if you mill so deep in one pass, resulting in a broken bit even with a fixed workpiece
06:29 AM Loetmichel: swarf= the milled off pieces of wood
06:30 AM ChunkyPuffs: r
06:30 AM ChunkyPuffs: interesting
06:31 AM ChunkyPuffs: so I'm milling 4mm with a 3mm bit
06:31 AM ChunkyPuffs: 4mm at a time, eventually milling the whole thing
06:32 AM XXCoder: jthornton: think I will make a router, but as a way to differate, it will use obj imports to show how to do this maybe?
06:32 AM XXCoder: dunno
06:32 AM ChunkyPuffs: gonna take your advice and speed it back up
06:32 AM XXCoder: also somehow use a sphere and tringle somewhere as I never used those in rolfmill
06:33 AM jthornton: import stl files?
06:33 AM XXCoder: obj is also supported but yeah stl also lol
06:33 AM sensille: Loetmichel: would it in theory be possible to mill steel with the 6040 when only doing very very little with each run?
06:33 AM Loetmichel: not really
06:33 AM Loetmichel: did try it... resulted in a lot of broken bits...
06:33 AM XXCoder: too much backlash I guess?
06:34 AM XXCoder: flex would shatter tool as its under pretty big sideload when cutting steel
06:34 AM Loetmichel: http://www.cyrom.org/palbum/main.php?g2_itemId=15074&g2_imageViewsIndex=1 <- and that was only 1.. galvanized mild steel
06:34 AM Loetmichel: 1mm
06:34 AM XXCoder: lol thats fun
06:34 AM Loetmichel: XXCoder: not backlash, too weak gantry, chatter
06:34 AM Loetmichel: -o
06:34 AM sensille: i meant more like 0.1mm
06:35 AM XXCoder: you got a firestarter there pretending to be a cnc
06:35 AM Loetmichel: sensille: that was 0.05mm per pass
06:35 AM sensille: oh
06:35 AM Loetmichel: the chatter breaks off the cutting edges of the tool...
06:35 AM sensille: ah, the 1mm was the steel
06:35 AM Loetmichel: yes
06:36 AM miss0r: Thats lunch. Then I have to clean up the shop for the next 30 minuts. And because it is Wensday, I'm off early to go mess with my old land rover. :) See you around
06:37 AM ChunkyPuffs: miss0r: see you, put it up to 1300 and it's staying there
06:37 AM ChunkyPuffs: bad coincidence earlier lol
06:37 AM XXCoder: bah!
06:37 AM ChunkyPuffs: I continued from a new bit, presumably this should be fine
06:37 AM XXCoder: I gonna work tomorrow, and I sure as heck dont wanna work
06:39 AM jthornton: dang, do they pay double time for that?
06:39 AM XXCoder: tomorrow is not vacation
06:39 AM XXCoder: its wed lol
06:39 AM XXCoder: I always go to work same day I go home from work, yet time progresses. i wonder how ;)
06:40 AM jthornton: keeps me confused lol
06:40 AM XXCoder: yeah swing shift is fun
06:41 AM jthornton: I used to love working 3rd shift at the shipyard overhauling nuc subs... work 7 hours got paid for 8
06:41 AM XXCoder: weekend shift its 3 days 36 hours, paid 40
06:42 AM weenerdog: i liked running wire edms 2nd shift. work 30 min. get paid for 8 hrs :P
06:43 AM jthornton: that could get boring lol
06:44 AM weenerdog: nah i made crap for myself on everything else
06:44 AM XXCoder: dang
06:44 AM XXCoder: wht you leave? out of books to read?
06:45 AM weenerdog: nah this was in the paper tape days. joined the air force so i could go to college.
06:45 AM XXCoder: nice
06:49 AM weenerdog: i thought about joining the military, but joined the air force instead. spent my whole enlistment in montana lol
06:49 AM XXCoder: too bad that wasnt option for me lol
06:50 AM weenerdog: so i basically fished and skied and shot antelope
06:51 AM weenerdog: "what did you do in the war, daddy?" :)
07:16 AM ChunkyPuffs: can smacking the bit into a wall of material be a problem?
07:17 AM ChunkyPuffs: for example, say I've hollowed out an area, will it react differently going from hollow to solid wall
07:21 AM ChunkyPuffs: by comparison to solid material being drilled into and then outwards
07:21 AM ChunkyPuffs: is there a risk of smacking into it rather than slowly burrowing out of
07:33 AM weenerdog: my uninformed answer is 'hell yes'
07:33 AM weenerdog: more material all of a sudden
07:34 AM weenerdog: you're instantly doing a much deeper pass
07:35 AM weenerdog: or do you mean like feeding across, for example, a drilled hole?
07:35 AM ChunkyPuffs: I'm running a job again over a failed one
07:35 AM ChunkyPuffs: fusion exported the gcode wrong and put it up 2mm more than it should have been
07:35 AM ChunkyPuffs: so I accounted for it and started again in the exact same position
07:36 AM ChunkyPuffs: so the thin hollow shell that is the item is now being smacked into continuously by the bit, is this bad
07:37 AM weenerdog: my uninformed answer would be to slow down the feed on it
07:38 AM weenerdog: what are ye making?
09:46 AM MarcelineVQ: ChunkyPuffs: it's a good idea to have pictures with questions like that, it's quite vague what you're asking in relation to your workdpiece so it'd be hard to answer properly.
09:47 AM MarcelineVQ: 'smacked into continuously' is a concerning combination of words that could do with some clarification, in text or in video
09:48 AM ChunkyPuffs: I was streaming not long ago, will stream again soon
09:48 AM ChunkyPuffs: MarcelineVQ: I streamed for 12 hours all of what I'm asking :D
09:48 AM MarcelineVQ: could you make a clip from the vod?
09:49 AM ChunkyPuffs: I didn't have recordings enabled
09:49 AM ChunkyPuffs: I will have to simply stream again at some stage, I now have video recordings enabled
09:49 AM ChunkyPuffs: very upset I couldn't have saved that hah
12:03 PM enleth: rene_dev_: with STMBL moving to a discrete transistor power board, do you think it would make sense to officially allow the use of a partially populated board with just two channels for DC servo control?
12:04 PM enleth: I guess it should be easy to ensure it works properly on the electrical level with the components for the third channel missing
12:33 PM Rab: eBay 15% off cart RIGHT NOW: https://pages.ebay.com/promo/2018/1121/70319.html
12:34 PM * SpeedEvil sighs.
12:35 PM SpeedEvil: The first nice stirling engine ebay listing I found in years was cancelled by the seller.
12:35 PM SpeedEvil: - someone selling a 1kWe natural gas stirling engine/combi boiler
01:09 PM fragalot: hey
01:45 PM gregcnc: speedevil that would be fun. who made that?
01:59 PM SpeedEvil: https://www.jhrenewables.com/system/brand_attachments/1139/original/Baxi_Ecogen_brochure.pdf
02:00 PM SpeedEvil: I think they're off the market now though
02:02 PM SpeedEvil: @2:18 https://www.youtube.com/watch?v=MQXURO-3xrI
02:02 PM SpeedEvil: 550C in
02:06 PM phipli: Tom_itx, is there a smart solution to voltage regulation that doesn't involve either expensive, or huge capacitors?
02:07 PM phipli: I have a load of AMS1117 regulators, but they need ~100uF capacitors, which is the irritating range
02:07 PM phipli: for surface mount capacitors
02:08 PM Loetmichel: phili: you can get 100 uF electrolytics these days in 1206
02:09 PM phipli: Loetmichel, yeah, I've ordered some - I hear bad things about cheap tantalum capacitors
02:09 PM phipli: I was wondering if there was something... better and or cheaper
02:09 PM Loetmichel: yeah, tantalum should be voltage derated at least 50%
02:09 PM Loetmichel: or elese you will have some surprise fireworks some years down the road
02:10 PM Loetmichel: especially the cheap ones
02:11 PM jthornton: hey phipli how's it going
02:11 PM phipli: yeah - from what I can tell it is the single most "don't cheap out on this" thing
02:11 PM phipli: hey jt
02:11 PM phipli: not too bad,
02:11 PM phipli: work sucks but I have 5 weeks leave booked from the end of next week
02:11 PM jthornton: nice
02:11 PM phipli: ordering in project stock ready
02:12 PM phipli: although the steel is late and I'm grumpy because I worked from home waiting for it
02:12 PM * Loetmichel just had fun at work to day messing with a customers boss...
02:12 PM rmu: what is the boss of a customer?
02:13 PM jthornton: I'm working on a touch screen interface for the coop lol
02:13 PM phipli: jt : for you or the birds?
02:13 PM phipli: rmu : a person with a sense of self importance
02:16 PM Tom_itx: what voltage do you need?
02:16 PM jdh: 220,221, whatever it takes.
02:16 PM Tom_itx: those cheap chinese switchers are about as cheap as you can get
02:17 PM Loetmichel: customer is at our facility for 3 weeks now doing a bit measurement job... today i overheard him talking with his boss... "no, they dont have the time here to do extra work, not their problem that you made a deadline so early"... his boss whining about customer being angry that that thing isnt done yet and so on... $me jumped in yelling across the shop floor: "hey, Gerd (customers name), hows
02:17 PM Loetmichel: that: i will stay an hour late today and fix that /§W$&$% PC for you!"... silence on the other end of the telephone line... then. "who was that?"... Gerd: "That was the production manager here. You heard him, he will do it in his free time for you!"... the boss on the other end couldnt fathom that for quite a while. ;)
02:17 PM Loetmichel: In the end it took me 3.5 hours to fix that thing but that ????? in the voice of Gerds boss was worth it ;)
02:18 PM phipli: Tom_itx, 3.3 from 5
02:18 PM Loetmichel: rmu: we have a large order of measuring servers here.... and one of the customers workers is here to ensure that we get those systems out of the racks they are delivered in in working order
02:18 PM Loetmichel: so it was his boss who called
02:18 PM Loetmichel: the workers boss
02:19 PM Tom_itx: https://www.ebay.com/itm/DC-DC-Buck-Step-down-5V-36V-to-3-3V-6V-9V-12V-24V-5A-Converter-Voltage-Regulator/272834659085?hash=item3f8636830d:g:5GYAAOSwwpdW3ZZM:rk:2:pf:0
02:19 PM Tom_itx: https://www.ebay.com/itm/3A-Mini-DC-DC-Buck-Step-Down-Voltage-Converter-3-3V-5V-9V-12V-24V-Volt-Regulator/323214220468?hash=item4b41119cb4:rk:1:pf:0&var
02:20 PM jthornton: I should display a cricket on the screen and teach them how to get a treat lol
02:20 PM jthornton: phipli: just for fun you know
02:20 PM Tom_itx: https://www.ebay.com/itm/DC-DC-Buck-Step-down-Regulator-Converter-4-2-23v-to-3V-3-3V-5V-9V-12V-24V-Module/112472493337?hash=item1a2fe20d19:g:CsEAAOSwYUdbShcv:rk:3:pf:0
02:20 PM Tom_itx: ninety nice cents
02:20 PM Tom_itx: you can't buy a cap for that
02:20 PM phipli: Tom_itx, I've ordered some of these https://www.banggood.com/5PCS-DC-DC-12V-5V-to-3_3V-Step-Down-Voltage-Regulator-Power-Module-p-1102908.html
02:21 PM phipli: but while I wait the month I was looking in the drawers and seeing what I could do :)
02:21 PM phipli: jthornton, yeah - have you heard about the pigeon guided missiles?
02:22 PM Tom_itx: jthornton has a bunch of spoiled chickens
02:22 PM jthornton: no, but they did use pideons in WW2 to spot downed pilots in the pacific
02:22 PM Tom_itx: touch screen n all... pretty soon they'll order their feed via touch screen :)
02:22 PM phipli: jthornton, https://en.wikipedia.org/wiki/Project_Pigeon
02:22 PM phipli: Tom_itx, and one day they'll watch his CNC for him and peck the e-stop when it goes wrong
02:23 PM Loetmichel: jthornton: didnt they use eagles for that?
02:23 PM Loetmichel: or was that the more recent SAR project?
02:23 PM Loetmichel: about the eighties?
02:24 PM Tecan is now known as Net|
02:27 PM jthornton: I did find this breakout module that works better for me but it's a bit in the expensive side at $20 https://www.amazon.com/gp/product/B01M2ZSUP2
02:27 PM phipli: jthornton, 64gb micro SD cards (good ones) are £9 on amazon.co.uk today - don't know if you guys have a similar offer
02:28 PM phipli: handy for sbc projects
02:28 PM jthornton: mine are all scandisk 32GB cards
02:29 PM phipli: https://www.amazon.co.uk/SanDisk-microSDXC-Memory-Adapter-Performance/dp/B073JYVKNX
02:29 PM jthornton: https://www.amazon.com/gp/product/B073JWXGNT
02:29 PM phipli: atm the 64 is cheaper than the 32 on the uk page
02:29 PM phipli: also, curse your US prices
02:30 PM phipli: for some reason, nobody has told companies that the £<>$ exchange rate isn't 1:1
02:30 PM jthornton: hmm I need to get the new program up and running in the coop today
02:31 PM jthornton: looks like the price on the 32GB went from $9.59 down to $8.00 in the last two weeks
02:32 PM phipli: The samsung ones seem to be the cheap ones for you guys : https://www.amazon.com/apb/page/ref=gbps_tit_m-9_62c3_20df6153
02:32 PM jthornton: I have to be careful I have 3 RPi's on my network now
02:32 PM phipli: oops bad url
02:33 PM phipli: https://www.amazon.com/Samsung-MicroSD-Adapter-MB-ME32GA-AM/dp/B06XWN9Q99
02:33 PM phipli: use cowsay in the login script to remind you which is which
02:33 PM phipli: thats what I do
02:34 PM jthornton: I should have waited till I got back from vacation but who would have known
02:34 PM jthornton: cowsay?
02:34 PM phipli: :)
02:34 PM phipli: best linux program
02:34 PM phipli: if you enter >cowsay "Hello"
02:35 PM phipli: it outputs an ascii cow with "Hello" in a speech bubble
02:35 PM jthornton: lol
02:35 PM phipli: https://www.linuxjournal.com/sites/default/files/styles/360_250/public/nodeimage/story/11742cowsayf1.png
02:35 PM phipli: like that
02:38 PM phipli: then things like figlet and toilet let you do block ascii text in colour and pipe it into cowsay
02:38 PM jthornton: lol
02:40 PM jthornton: https://paste.ubuntu.com/p/YNw9dX6d4N/
02:41 PM jthornton: that's the new program schedule so they get a break from 14 hours of light in the fall
02:41 PM Rab: Excuse me, xroach is best Linux program. But toilet and cowsay are excellent, thanks!
02:42 PM phipli: Rab : xroach is more tricky over an ssh session though
02:43 PM jthornton: phipli: where did you visit the US AIR FORCE missile?
02:44 PM phipli: jthornton, the National Space Centre a few miles from here
02:44 PM phipli: a schoolfriend's grandfather helped design the one next to it
02:44 PM phipli: interesting guy :)
02:44 PM jthornton: cool, we went to NASA in Houston and they had the unused Saturn 5 rocket on display
02:45 PM jthornton: I bet he can tell some stories...
02:45 PM phipli: the US one is a THOR I think
02:45 PM phipli: really smart guy
02:45 PM phipli: my dad was teaching him how to use apple macs in the 90s
02:46 PM phipli: he wanted an upgrade from his C64
02:46 PM jthornton: be back in a bit need to put the display on the RPi in the coop so the code runs
02:46 PM phipli: he gave us some 60s oscilloscopes and signal generators
02:52 PM fragalot: typically scopes are rated in the megahertz range
02:52 PM fragalot: not seconds
02:52 PM fragalot: :P
02:53 PM phipli: Rab : figlet "Hello" | cowsay -n | toilet --gay -f term
02:54 PM phipli: Rab, or even : figlet "Quack" | cowsay -f duck -n | toilet --gay -f term
02:55 PM fragalot: phipli: why not add -e xx to the cowsay
02:56 PM phipli: fragalot, but it doesn't work with the duck :)
02:56 PM fragalot: indeed it does not
02:56 PM fragalot: I forgot what toilet does.. care to remind me? :P
02:57 PM phipli: I'm using it to apply rainbow colours
02:57 PM fragalot: I see
02:58 PM Rab: phipli, superb
02:58 PM jthornton: phipli: I still have one hen that likes to fly up to my shoulder and ride around with me
02:58 PM phipli: jthornton, excellent :) we still have one that jumps up
02:58 PM phipli: she jumped on my arm while I was feeding them the other day
02:59 PM phipli: and is comfortable enough that I walked into the house through two closed doors with her still stood there
03:00 PM jthornton: mine won't go through a door lol they fly off when I open it
03:00 PM phipli: The two young ones are more tame than they were
03:01 PM phipli: they'll eat from my hand now
03:01 PM phipli: but nothing compared to the older one
03:01 PM jthornton: yours all getting along now?
03:01 PM phipli: I can move the older one with one hand because it will just sit on my hand if I pick it up
03:01 PM phipli: better, but not perfect
03:02 PM phipli: still the occasional squawk as soon as you turn your back (they know not to while you're watching)
03:02 PM jthornton: hmm my lights are on for some reason...
03:02 PM jthornton: lol
03:03 PM phipli: does it log to a file?
03:03 PM jthornton: no, I just add print statements or send some info to the screen
03:08 PM jthornton: I think my logic if flawed
03:30 PM jthornton: oh yea I have different relays in the old coop they act normally not bassackwards like the 4 in one relays
03:30 PM phipli: :)
03:30 PM phipli: that would do it
03:37 PM jthornton: yea door was in the correct position so it didn't move I guess
03:41 PM jthornton: now I just have to wait till 5:16PM to see if the door closes lol
03:41 PM phipli: change the timezone to test it?
03:42 PM jthornton: that's a good idea
03:44 PM phipli: 21:43 here - set it to the UK :)
03:50 PM jthornton: I have to set coordinates as well for astral to compute the sun times
03:50 PM jthornton: I just tested with the manual override switch and it works so I'll just work on something else for an hour or so
03:59 PM phipli: back in a bit
04:04 PM phipli: Still find it amazing that my 8 core computer and monitor only needs 110W to idle
04:14 PM Deejay: gn8
04:14 PM phipli: night
05:20 PM jthornton: yea the door worked
05:37 PM {HD}: Hey jthornton what app do you use to track the sun for chickens?
05:37 PM jthornton: astral
05:38 PM {HD}: Yea!
05:38 PM {HD}: I was racking my brain
05:38 PM jthornton: for python 2 or 3?
05:40 PM {HD}: Have a link to the www?
05:40 PM {HD}: I haven’t figured out my project completely yet.
05:40 PM jthornton: for python 3 pip-3.2 install Astral
05:42 PM {HD}: A found a doc on pypi.org
05:43 PM {HD}: Seems good
05:43 PM jthornton: https://paste.ubuntu.com/p/JhJNsbKhrq/
05:43 PM jthornton: that's the gist of using it
05:43 PM {HD}: I like it tracks Rahukaalam also
05:43 PM jthornton: dinner time here
05:44 PM {HD}: You need astral to tell you that?
05:44 PM jthornton: no my nose tells me it's ready
05:45 PM jthornton: https://github.com/sffjunkie/astral
08:00 PM flyback: https://www.youtube.com/watch?v=L5yVpvCav_U
08:43 PM Lcvette: is anyone in here a old computer collector or know alot about them and compatibility?
08:44 PM Tom_itx: ask the real question
08:45 PM Tom_itx: how's the GUI comin along btw...
08:45 PM Tom_itx: how old? i'm running a P166 still
08:50 PM Tom_itx is now known as Tom_L
09:07 PM jdh: I have a couple of PDP11's
09:13 PM SpeedEvil: jdh: have they ported skyrim to pdp/11 yet?
09:13 PM SpeedEvil: I think my oldest working system is a Z80, which takes 4AAs
09:21 PM flyback-: trs 80 100?
09:22 PM weenerdog: howdy
11:47 PM Lcvette: sorru internet flaked on me earlier
11:47 PM Lcvette: have an old dead floppy drive on a dos 6.22 system and cannot boot the machine
11:48 PM Lcvette: system is an 8088, non ISA, with a 3.5" floppy and a 5.25" floppy
11:48 PM Lcvette: both are edge card connector units
11:49 PM Lcvette: the board they plug into is a 34 pin that looks very much like a more modern 34 pin and i have found some edge car and IDE connector cables but im uncertain if a newer drive will work
11:49 PM Lcvette: and if so if there is a point at which the drives changed
11:50 PM Lcvette: so far the information is scattered and a bit tough to wrangle up with any confidence and i don't want to fry the computer
11:50 PM Lcvette: but im having some trouble finding a replacement floppy the same type as this one that doesn't cost what a core I7 machine enw would
11:54 PM * Lcvette uploaded an image: IMG_20181120_032507089.jpg (148KB) < https://matrix.org/_matrix/media/v1/download/matrix.org/MxjvHnRiQJEgYsUbOQrINhqZ >