#linuxcnc Logs
Oct 13 2019
#linuxcnc Calendar
02:32 AM Deejay: moin
05:33 AM jthornton: morning
05:34 AM XXCoder: mooning
06:21 AM jthornton: https://youtu.be/R2VW0lmOZwQ
06:22 AM jthornton: went a little higher yesterday, I need to pan slower and find a place that is more open
06:25 AM XXCoder: looking
06:25 AM XXCoder: no spider this time
06:25 AM XXCoder: little shy this time! lol
06:26 AM jthornton: spider must have went to hide from the cold
06:27 AM XXCoder: not surpised lol
06:27 AM XXCoder: videos pretty great
06:28 AM jthornton: tablet should be here Tuesday so much easier to see the screen
06:28 AM XXCoder: nice
06:29 AM jthornton: can't wait to try out the intelligent flight modes
06:30 AM XXCoder: just dont try to go above clouds
06:30 AM XXCoder: guy did that with far better drone than yours
06:30 AM XXCoder: it couldnt return, wind was way too fast, it couldnt even go down
06:31 AM XXCoder: then guy forced it to go down, and after it finally went below clouds, it went out of power and crashed into park
06:31 AM jthornton: I'm not that brave or dumb
06:31 AM Tom_L: morning
06:32 AM XXCoder: hey
06:32 AM jthornton: https://www.youtube.com/watch?v=qRrjvOi_dFA
06:32 AM jthornton: yo
06:36 AM Tom_L: nice toy :)
06:44 AM jthornton: been wanting one that has better flight modes and I saw one a guy at a benefit ride flying a phantom and talked to him a while and they seem to be better than they look
06:44 AM jthornton: I thought they looked cheap at first
06:47 AM _unreal_: helllo
06:48 AM _unreal_: yep 3 little black dots in my figer I can see now cactus spins
06:48 AM _unreal_: spines
08:00 AM _unreal_: there just redrew the drill press coller that is broken on my drill press
08:00 AM _unreal_: going to see if I can mill it from aluminum on my machine
08:00 AM _unreal_: when I get the chance
08:37 AM jthornton: it feels colder than 36f frost on the roof this morning... ah the humidity is 93%
08:43 AM _unreal_: 36f BURRR
08:43 AM _unreal_: let me check here >:)
08:43 AM _unreal_: 83F of burr
08:49 AM JT-Shop2: thermoforming box done... just need to finish the polycarbonate holder
08:51 AM _unreal_: thermoforming?
08:51 AM _unreal_: like a VAC former?
08:52 AM jthornton: yea
08:53 AM _unreal_: ok
08:53 AM _unreal_: figurs I went out earlyer only to be greated by a standard florida passing 2min shower
08:54 AM _unreal_: $%!@#$ fusion360 for all the power it has is still VERY limited compaired to design spark
08:55 AM _unreal_: figurs I have to make an item in fusion for the CAM feature. but i've now discovered I cant cut my item in half the way Ineed to and FUSION360 outright says it does not support this method of coplainer parting lines
08:55 AM _unreal_: coplanar
08:56 AM _unreal_: In desgin spark I could do it in a second
09:04 AM _unreal_: BUT I'm making an item that requires high precision and its a 3d milling job. and estlcam only supports 2 decimal placements of math for tool diam. accuracy
09:37 AM taloot: hello everyone
09:43 AM taloot: im building the ultimte CNC controller
09:52 AM SpeedEvil: Congratulations.
09:59 AM fdarling: taloot: how so?
10:00 AM * JT-Shop forgot what temperature to heat the 3/16" polycarbonate for thermoforming
10:05 AM Deejay: maximum!
10:05 AM Tom_L: 350°F to 360°F
10:06 AM JT-Shop: thanks
10:08 AM Tom_L: The heat required will be higher for more complex shapes.
10:10 AM SpeedEvil: JT-Shop: it is very easy to bend at 1220F
10:10 AM Tom_L: or ignite
10:11 AM JT-Shop: it's a simple part
10:11 AM Tom_L: watch it. if it sags in the middle, it's ready
10:12 AM Tom_L: if it droops to the floor, you went for coffee and never came back
10:12 AM JT-Shop: lol
10:13 AM Tom_L: what color?
10:13 AM JT-Shop: I was going to ask how long for a 12" x 12" x 3/16"
10:13 AM JT-Shop: clear
10:13 AM Tom_L: that will make a difference
10:13 AM Tom_L: black is miserable to cut
10:14 AM JT-Shop: I wonder why
10:15 AM JT-Shop: and I've been pondering how to cut it and I think I'll chuck it in the lathe and part it off
10:16 AM _unreal_: what if its white poly and turns back ;)
10:16 AM _unreal_: cut what?
10:16 AM _unreal_: poly?
10:17 AM _unreal_: single flute upcut
10:17 AM _unreal_: straight flutes and you will melt
10:17 AM _unreal_: or you can go with down cut
10:18 AM _unreal_: as long as your cutting all the way through
10:18 AM Tom_L: JT-Shop, i use a tri cut 10" saw blade
10:18 AM _unreal_: 3 teeth?
10:18 AM Tom_L: every 3rd one is the same
10:18 AM Tom_L: right cut, center cut, left cut
10:19 AM _unreal_: JT-Shop, I use my vac plate for cutting poly :)
10:19 AM _unreal_: small plates anyways.
10:19 AM skunkworks: You certainly need idle=poll on the rpi4
10:19 AM _unreal_: put it on the CNC and use an UP or down cut with the vac plate
10:19 AM Tom_L: as far as milling, 2 flute iirc
10:19 AM _unreal_: Tom_L, poly I strongly suggest single flute up or down cut
10:20 AM _unreal_: straight flute will melt if the chips are not cleared
10:21 AM Tom_L: net cycle-seconds qtpyvcp.timerseconds.in <= time.0.seconds
10:21 AM Tom_L: is timeseconds in probe_basic
10:21 AM _unreal_: Tom_L, I have to cut a lot of Poly "imitation carbon fiber" panels for boat consoles. and that shit melts at very VERY low rpms
10:22 AM skunkworks: I remember cutting some plastic and it was shit until I finally cranked the speed up 200% :)
10:22 AM Tom_L: generates too much heat
10:23 AM _unreal_: cant use a jigsaw on it at lowest RPMS as well. frigging fuses back together AS I cut it. a dremel
10:23 AM _unreal_: a dremel with a router base at lowest RPM and up or down cut blade works
10:26 AM drdoc: morning, gents
10:27 AM _unreal_: hello sun shine
10:31 AM drdoc: how goes it?
10:33 AM drdoc: 2-flute spiral at speeds that sound like it's eating gravel
10:34 AM * drdoc hates on polycarbonate
10:34 AM drdoc: Hrrrmm
10:34 AM drdoc: has anybody tried soldering a 26-pin header on one of these:
10:35 AM drdoc: https://www.newegg.com/p/14G-000G-00005
10:35 AM drdoc: Syba MCS9865 serial card
10:35 AM drdoc: PCI
10:36 AM JT-Shop: opps I forgot to change thunderbird to the new hosting site lol
10:36 AM Tom_L: JT-Shop, geany is rather nice!
10:36 AM Tom_L: woopsie
10:36 AM drdoc: the local Goodwill has a bunch of them for about $7
10:37 AM JT-Shop: yea I'm liking geany
10:41 AM drdoc: wait, sorry
10:41 AM drdoc: it's there:
10:41 AM drdoc: https://www.amazon.com/Multimedia-Controller-Serial-2xDB-9-SYB-SY-PCI15004/dp/B0060SX3UA
10:41 AM drdoc: these
10:41 AM drdoc: visually, it's exactly the same card as the SY-PCI10002, just with different headers populated
11:05 AM fdarling: is there a way to name joints in the motmod HAL module such that it would be joint.y1 instead of joint.1 for instance?
11:06 AM fdarling: the idea is that on machines with multiple Y motors, the joint numbering scheme can be confusing for the machine operator. It would be nice if it said "joint.y2 following error" instead of "joint.2 following error". The counting is also zero based, so someone might think "joint.1" is X and not Y1
11:20 AM skunkworks: fdarling: could you use alias? http://linuxcnc.org/docs/2.7/html/man/man1/halcmd.1.html
11:53 AM jym: Hola
12:03 PM * jym hears crickets
12:04 PM fdarling: hi
12:10 PM jym: Has anyone heard of a case where you could have a bad O2 sensor and still pass smog?
12:11 PM drdoc: I think you'd have to chip the OBC
12:12 PM drdoc: the OBD test would catch it even if the sniffer didn't
12:14 PM jym: drdoc: No sniffer in the tailpipe for 2000 and up for smog, it's all pulled from the computer these days.
12:16 PM jym: There are no codes being thrown, and unless I misread something... Bank 1 is oscillating (which I read as "normal"), but bank 2 is not, just stays even.
12:26 PM jym: IF anyone cares, this is a good article on how oxygen sensors work... https://troubleshootmyvehicle.com/ford/4.6L-5.4L/how-to-test-the-oxygen-sensors-2
01:05 PM drdoc: jym: I dunno then
01:05 PM jym: drdoc: That makes 3 of us =)
01:05 PM drdoc: I had to replace the O2 sensor in a '98 Dakota to get inspected
01:06 PM jym: drdoc: did it throw a code though?
01:06 PM drdoc: it wasn't expensive or difficult, just aggravating
01:06 PM jym: or check engine light?
01:06 PM drdoc: check engine and code
01:07 PM jym: drdoc: Yeah, I have no codes, but the live data is flat instead of oscillating
01:07 PM jym: drdoc: PITA... https://www.youtube.com/watch?v=Bi3M3wnCrds
01:07 PM drdoc: In Texas, that would mean "It depends on who inspects it"
01:08 PM drdoc: oh, yeah
01:08 PM jym: lmao, Well in Kommifornia, it's all read from the computer directly to the state's computer's live.
01:08 PM drdoc: the Dakota's sensor was just ahead of the CC
01:09 PM jym: drdoc: My car has 4, 2 before, and 2 after.
01:10 PM drdoc: bless your heart...
01:10 PM drdoc: ;-)
01:10 PM drdoc: dagnabbit
01:10 PM jym: fuck you and the exhaust pipe you rode in on! lmao
01:11 PM drdoc: one of the scrappers here has a handful of 3rd-gen i5 boxes for $50
01:11 PM jym: complete with ram?
01:12 PM drdoc: https://www.ebay.com/itm/274008789323
01:13 PM drdoc: although honestly, the $26 to get it shipped would be cheaper than going to get it
01:15 PM jym: Only 2gb ram, and no hdd caddy
01:16 PM jym: And I don't like this "WE DO NOT GUARANTEE ANTHING "
01:16 PM jym: Just give us your money and fuck off, tyvm
01:16 PM jym: and they don't have the best reviews
01:17 PM drdoc: I've dealt with them before, they aren't bad
01:18 PM jym: I'll contact a seller before bidding, and if they dn't respond quickly, that tells me what to expect later.
01:53 PM JT-Shop: speriment #27 about to start
02:08 PM MarkusBec: pcw_mesa: is it possible to modify a 7i77 to a 7i77D?
02:11 PM CaptHindsight: jym: I saw the drawing before, so does the generator switch give the user a choice of 20A across 240V or 30A on one 120V side?
02:14 PM jym: CaptHindsight: The switch goes 220@15A OR 120V@30A. But when I first tried the 120V position it didn't work, but I JUST found out the 120V output is only on "Y", not "X"
02:17 PM jym: CaptHindsight: What got me thinking is when he said generator to RV connection (120V only)
02:19 PM CaptHindsight: makes sense
02:20 PM CaptHindsight: would be helpful if they included a clear description on the generators instructions
02:20 PM CaptHindsight: but naaaaaaahhhh
02:22 PM jym: CaptHindsight: Yeah, no doubt, and I've asked them three times over a year what that switch REALLY is doing (internally). But Now I'm speculating it just series/parallel the lines
02:23 PM CaptHindsight: take it apart and check continuity
02:25 PM jym: If I had a wiring diagram I might. I should probably ask for one.
02:25 PM jym: I installed an hour meter, just need to figure out how many hours between oil changes now
02:28 PM sync: I usually do once a year when the thing is not running a lot
02:29 PM jym: During the three day blackout, it ran non-stop for 18 hours at a time.
02:30 PM CaptHindsight: are the blackouts over?
02:30 PM _unreal_: strongly thinking about rebuilding my cnc macine :/
02:30 PM _unreal_: just setting this one aside
02:31 PM _unreal_: the issue is "size"
02:31 PM jym: CaptHindsight: For the moment at least.
02:31 PM _unreal_: ;) it really does matter
02:32 PM _unreal_: this project I'm going tonight when I get back from picking up my daughter I will mill the last part. but I'm going to have to do it in 2 halfs and a special move and relocating etc... :/
02:33 PM _unreal_: I'll likely mill the first half then jog the machine off to the side drill a partial hole and use the machine to drag/move the work part an exact movement distance after releasing the clamps. then putting the clamps back on
02:34 PM _unreal_: it "should" be in the correct location. I'll just have a fixed edge guide in place
02:34 PM _unreal_: any of you guys had to do that?
02:34 PM _unreal_: "stuff" like that?
02:36 PM _unreal_: ?
02:38 PM jym: Dont quite understand the question, maybe rephrase it?
02:40 PM CaptHindsight: weakly thinking about his
02:42 PM _unreal_: I'm milling or prepping to mill a part that is larger then my machine
02:42 PM _unreal_: and its all 3d milling etc...
02:42 PM _unreal_: have any of you had to re-locate a part do to size?
02:44 PM CaptHindsight: yes
02:46 PM CaptHindsight: https://www.cnczone.com/forums/uncategorised-woodworking-machines/241828-cnc.html
02:46 PM CaptHindsight: http://bbs.homeshopmachinist.net/threads/32553-Milling-a-surface-larger-than-machine-work-area
02:46 PM CaptHindsight: https://www.cnccookbook.com/how-to-work-with-parts-that-are-too-big-for-your-cnc-machine/
02:46 PM CaptHindsight: has Google broken down in your area?
02:48 PM CaptHindsight: https://www.youtube.com/watch?v=XjRjY97lriI
02:48 PM CaptHindsight: https://www.youtube.com/watch?v=3jhnKr4fc_c
02:49 PM CaptHindsight: https://www.youtube.com/watch?v=6c7iN2NlSHA
02:49 PM CaptHindsight: https://www.youtube.com/watch?v=c8Q6HPn4d58
02:50 PM CaptHindsight: https://www.youtube.com/watch?v=gLAvno52gn0
03:18 PM jym: FWIW... Harbor Freight quick connect air fittings work well on propane (low pressure, after regulator).
03:21 PM _unreal_: they will leak sooner or later. I should use super lube on the connector and gaskets fyi
03:21 PM _unreal_: should=would
03:22 PM _unreal_: >:) correct me if I'm wrong but isnt harbor freight known to the state of cali to cause cancer ???
03:23 PM jym: I'll just replace them if they ever did.
03:24 PM jym: Crossing the street causes cancer.
03:25 PM _unreal_: !!!!!!!!!!!! now you tell me
03:25 PM _unreal_: shit I had my daughter with me and everything the other day
03:26 PM jym: Children cause cancer
03:29 PM _unreal_: ! of that I am certain... speaking of I have to take off for the 3hour tour to get mine
03:29 PM _unreal_: later
03:30 PM _unreal_: When I get back I start milling my project
03:40 PM Deejay: gn8
03:45 PM Tom_itx is now known as Tom_L
06:22 PM CaptHindsight: has andy made it back to merry ole England?
06:24 PM CaptHindsight: Arrived 28 min late 7:35 pm 11:35 am
06:24 PM CaptHindsight: he's been back for ~12 hours
06:24 PM XXCoder: he'll never be back. he goes half the distance remaining a day
06:25 PM CaptHindsight: thats only true if he flew back from west to east
06:25 PM CaptHindsight: from east to east then it's 6 hours + the difference minus the day
06:26 PM CaptHindsight: it's traveling from the southern hemisphere to northern that really changes things
06:26 PM CaptHindsight: since you have to reference opposite poles
06:27 PM CaptHindsight: one second you're flying clockwise then the next counter clockwise
06:27 PM CaptHindsight: when you cross the equator
06:31 PM jym: lol
06:31 PM jym: All I can say is better him than me
07:11 PM _unreal_: Well with luck there is 50% of the job
07:11 PM _unreal_: going to set things up and see if it look right
07:11 PM _unreal_: going for the mill half then the other half JOB
07:11 PM _unreal_: will be interesting
07:15 PM CaptHindsight: https://youtu.be/cOEBwBERPv4?t=434 how that video ends, had it running in the background
07:22 PM CaptHindsight: https://www.huffpost.com/entry/the-glass-floor-is-keeping-americas-richest-idiots-at-the-top_n_5d9fb1c9e4b06ddfc516e076 top story on HuffPost, whats on FOX?
07:23 PM CaptHindsight: migrant story, no fun
07:54 PM _unreal_: Started the 3d mill job
07:54 PM _unreal_: fingers crossed
08:05 PM _unreal_: any one doing anything interesting
08:15 PM SpeedEvil: I am wondering how to cut down stainless steel trays to fit in my microwave, if that counts.
08:16 PM SpeedEvil: Current idea is angle grinder.
08:18 PM Tom_L: likely your best bet
08:18 PM Tom_L: abrasive wheel
08:19 PM Tom_L: just a side note, why?
08:19 PM SpeedEvil: https://www.aliexpress.com/item/32948514547.html
08:20 PM SpeedEvil: - it doesn't quite fit - needs 5mm off. - using it in oven mode to slow cook a large stew
08:20 PM Tom_L: off the lip?
08:20 PM SpeedEvil: yes
08:20 PM Tom_L: bend it up
08:20 PM Tom_L: 2.5mm each end
08:21 PM Tom_L: no fuss no muss
08:21 PM SpeedEvil: It is sufficiently thick and annoying that grinding it off is fine, and will leave a more useful edge.
08:26 PM _unreal_: grinding=useful edge????
08:26 PM _unreal_: I missed tsomething I think
08:27 PM _unreal_: btw I just emptied my vacuum, it was amazingly full
08:29 PM _unreal_: damn, I have 1.5 hours left of milling and I still have to do the same thing to the other end.
08:29 PM _unreal_: 3+ hour milling job
08:29 PM _unreal_: 3d milling :/
08:40 PM SpeedEvil: Err - an edge which would end up less annoying than what I can usefully re-fold.
08:51 PM Rab: SpeedEvil, I made a kitchen backsplash from old restaurant prep surfaces, and angle grinder was the only reasonable option for the stainless.
08:52 PM Rab: Those pans are probably a lot thinner, though. Air nibbler might work. But angle grinder would be fastest.
08:55 PM FleaFart is now known as LittleStinker
09:00 PM LittleStinker is now known as FleaFart
09:30 PM FleaFart is now known as OneNut
09:31 PM OneNut is now known as FleaFart
09:35 PM FleaFart is now known as LittleStinker
09:35 PM LittleStinker is now known as FleaFart
09:39 PM _unreal_: 10min to go
09:39 PM _unreal_: hehe
09:39 PM _unreal_: will be interesting. I'm going to set the bit in the middle. drill down a 1/4" and free all of the clamps
09:39 PM _unreal_: then move the machine 162... something mm dragging the part
09:40 PM _unreal_: I'lll then dbl check its aligned along the one fixed side and it should be exactly where I need it to be
09:54 PM _unreal_: i AM SOOO FREAKING SMART :)
11:48 PM _unreal_: omg make it end, I'm still milling
11:53 PM SpeedEvil: snap, snap, snap, snap
11:54 PM XXCoder: honk, honk, honk, honk