#linuxcnc Logs

Aug 23 2021

#linuxcnc Calendar

01:16 AM randy: morning
01:23 AM Deejay: moin
04:19 AM Tom_L: morning
04:19 AM XXCoder: yo
05:00 AM JT-Cave: morning
06:36 AM JT-Cave: spammers are active this morning on the forum
07:05 AM unterhaus: someone posted a full frontal picture on the otherwise family-friendly forum I moderate on
07:05 AM unterhaus: banned
07:07 AM XXCoder: some people think with only small head
07:11 AM unterhaus: it happens every 5 years
07:12 AM unterhaus: the anti-spam on that forum is so strong that I almost admire the spammers that make it through
07:12 AM unterhaus: owned by the same company as develops vbullitin
08:11 AM JT-Shop: roguish[m], when you log in download the deb again, it should generate working canned cycles now
08:12 AM unterhaus: JT-Shop, is it on your webpage?
08:36 AM unterhaus: I can't decide if I should get the dog a wheelchair or just train her to walk on her hind legs
08:36 AM unterhaus: she already walks on her hind legs if she thinks she's getting food
08:54 AM unterhaus: thanks
09:29 AM roycroft: it looks like my new lathe may arrive today
09:30 AM roycroft: i suppose i should probably go find my gouges/skews and sharpen them at some point
10:03 AM unterhaus: roycroft, what lathe?
10:12 AM unterhaus: pi is talking to mesa now, that's nice
10:14 AM unterhaus: I'm getting really fast at switching my monitor to picture in picture, but I should get xwindows on there instead
11:25 AM unterhaus: Mr. Softy now has native linux desktop integration. Only if you get win11 though
11:26 AM unterhaus: the linux integration with visual studio has been really slick for years now
11:36 AM JT-Cave: https://truepositiontools.com/product/tp-1934-cabinet-hardware-jig/#reviews
11:45 AM unterhaus: I guess if I were doing kitchens that would be a no-brainer, but I have almost pulled the trigger on the much less expensive ones on amazon
11:46 AM JT-Cave: I found a plastic one at menards and use a pencil to mark the dot... works for me and only costs $5 or so
11:46 AM JT-Cave: but yeah if your doing production cabinets that would be the thing to have
11:47 AM unterhaus: Last time I looked, there were some pretty nice aluminum ones on Amazon that are 1/3 as much
11:48 AM unterhaus: ^looking, but looks can be deceiving
11:48 AM CaptHindsight[m]: I hate measuring and measuring. If i built more than one I'd just use or build a CNC to do it
11:50 AM unterhaus: that's the advantage of that thing, center measurement and setting has to be done once and that's it
11:50 AM unterhaus: you could well ruin some drawer faces setting up the cnc, and wood doesn't grow on trees
11:51 AM CaptHindsight[m]: what sort of CNC ruins things?
11:51 AM JT-Cave: lunch minute is up...
11:51 AM unterhaus: button pushers do
11:53 AM CaptHindsight[m]: i want the trucks to deliver timber at one door and pickup packaged cabinets at another
11:54 AM CaptHindsight[m]: manufacturing is boring since it's so repetitive
11:55 AM CaptHindsight[m]: https://www.youtube.com/watch?v=3Wh9NYvfStk
11:59 AM unterhaus: yeah, the workers are there to clean up for the machines
12:00 PM unterhaus: I would be curious how the russians make ply differently giving the vastly higher quality they put out
12:03 PM roycroft: they use a larger number of thinner plies, and they use higher quality plies
12:03 PM CaptHindsight[m]: they use more Russians
12:04 PM roycroft: much if it is made in the baltic states
12:04 PM roycroft: not russia per se
12:04 PM CaptHindsight[m]: and "they invented it first"
12:05 PM CaptHindsight[m]: maybe they have yet to realize that inferior plywoods sell very well
12:05 PM CaptHindsight[m]: and with more profit margin
12:08 PM roycroft: high quality plywood is made in the us as well
12:09 PM roycroft: with more, thinner plies than the standard stuff, and voidless
12:09 PM roycroft: but it's really expensive, and never found in big box stores
12:09 PM unterhaus: I need a 2' by 18" piece of 3mm ply and I don't want to spend what it costs to buy 10x what I need
12:09 PM roycroft: so make it yourself
12:10 PM unterhaus: I can see making 1/2" ply, but not 1/8" ply
12:10 PM CaptHindsight[m]: hobby shop
12:10 PM CaptHindsight[m]: Craigslist
12:11 PM unterhaus: you may not realize I live in a rural hellhole
12:11 PM CaptHindsight[m]: me roo
12:12 PM CaptHindsight[m]: I have comer accept having to drive >30 minutes for just about anything
12:12 PM roycroft: for a narrow piece of 3mm wood like that i'd probably just use solid wood
12:12 PM CaptHindsight[m]: comer/come to
12:12 PM unterhaus: I thought about using solid wood, but since it's for a drum, the most robust solution is to use ply
12:13 PM unterhaus: I have some cheap acoustic guitar tops I got off of ebay for practice
12:14 PM CaptHindsight[m]: https://www.homedepot.com/p/Utility-Panel-Common-1-8-in-x-4-ft-x-8-ft-Actual-0-106-in-x-48-in-x-96-in-833096/100543684
12:14 PM unterhaus: but this conversation has been helpful, I have resolved to cut it up and use it for drawer parts
12:14 PM CaptHindsight[m]: $16.28
12:16 PM unterhaus: the only craft/hobby store here is micheals, and they don't have any anywhere
12:17 PM CaptHindsight[m]: why self driving cars will start in the cities and work their way out
12:17 PM unterhaus: waymo still says they won't
12:17 PM CaptHindsight[m]: more like linked streetcars
12:17 PM unterhaus: cities are the worst application for them
12:17 PM CaptHindsight[m]: city centers
12:18 PM unterhaus: no, busses with protected lanes work great for that
12:18 PM CaptHindsight[m]: with no person driving cars, no road sharing
12:18 PM CaptHindsight[m]: self driving buses
12:18 PM unterhaus: maybe
12:18 PM CaptHindsight[m]: various vehicle sizes to get rid of meat drivers
12:19 PM unterhaus: theyll have one of those tesla dancing robot suit guys driving them for a while though
12:19 PM unterhaus: I wonder how many people that do research on two legged robots died laughing when musk said the big problem was batteries
12:19 PM CaptHindsight[m]: robot dogs for hire should be a thing as well
12:20 PM CaptHindsight[m]: just no human drivers/operators
12:20 PM unterhaus: anyway, musk is doing his best to convince people that batteries are too dangerous
12:21 PM CaptHindsight[m]: way too many, it's all over the robot forums/discussions
12:21 PM unterhaus: how could they discuss it if they died?
12:22 PM CaptHindsight[m]: i don't see self driving or humanoid bots as real issues since they only hire half assed engineers to design them
12:22 PM CaptHindsight[m]: they just won't work well enough for quite a while
12:23 PM unterhaus: It's a tough problem. Think about what the difference between a pedestrian and a light pole is in a camera view
12:23 PM CaptHindsight[m]: they won't pay enough to hire actual atlent
12:23 PM unterhaus: both of them are approaching you at approximately vehicle speed
12:23 PM unterhaus: they spend plenty
12:24 PM unterhaus: the problem is they want cheap solutions, we're talking about companies that would sell your grandma for 25 cents a unit
12:24 PM unterhaus: But of all the control specialist Ph.D. I know, only the charlatans have gone into automated cars
12:25 PM CaptHindsight[m]: https://www.youtube.com/watch?v=kz165f1g8-E another example of the same
12:25 PM CaptHindsight[m]: AI will fix it
12:26 PM CaptHindsight[m]: it takes a buzzword to solve a buzzword
12:26 PM unterhaus: a penn state mechanical engineering prof got rich when GE bought his 3d printed weld analysis software company
12:26 PM JT-Shop: honda uses radar to know if anything is in your path and will slam on the brakes for you
12:27 PM unterhaus: Resurgent interest in AI really messed up my field
12:27 PM CaptHindsight[m]: people were slapping together open source projects and selling it for $$$$ for self driving
12:28 PM CaptHindsight[m]: similar to linux in the early 90's
12:28 PM unterhaus: right, opencv is fundamental to the industry
12:28 PM CaptHindsight[m]: greed and stupid
12:28 PM unterhaus: well, they probably think they are being smart by being lazy
12:29 PM unterhaus: I have done that same thing, but never for such high stakes. maybe a little hole in the lab drywall
12:30 PM unterhaus: we used some software that purportedly located robots with barcodes. It only worked if the robots were within about a 20 degree angle of one direction
12:30 PM unterhaus: guy got his masters with it. Probably out working on autonomous cars now
12:31 PM unterhaus: granted, making it work for 360 degree orientation took us a day
12:32 PM unterhaus: But the person that used it for their masters thesis must have known that limitation
12:33 PM CaptHindsight[m]: just FYI for anyone interested in the antibody or Activ-II studies or covid...
12:33 PM CaptHindsight[m]: you have 10 days from symptoms to apply for the antibody trials
12:33 PM CaptHindsight[m]: 10 days from Positive test for the Activ-II study
12:34 PM CaptHindsight[m]: plan on spending lots of time calling and holding
12:35 PM CaptHindsight[m]: https://www.riseabovecovid.org/us/en/
12:36 PM unterhaus: Cap'n does that mean you are too late?
12:36 PM CaptHindsight[m]: missed out on all
12:36 PM unterhaus: that stinks
12:36 PM CaptHindsight[m]: my symptoms came on slow
12:36 PM CaptHindsight[m]: well felt like a cold
12:36 PM Tom_L: JT-Shop, that honda system isn't fool proof
12:37 PM CaptHindsight[m]: got tested to just let others know or not
12:37 PM Tom_L: i've had it slam on the brakes with nothing there but rain/sleet
12:37 PM JT-Shop: none are, I don't use lane control on interchanges
12:37 PM JT-Shop: better safe than sorry
12:38 PM CaptHindsight[m]: Activ-II study it just hit or miss anyway. Fills up quick
12:39 PM CaptHindsight[m]: but your doc can prescribe the antibodies
12:39 PM Tom_L: JT-Shop, you figured out a way to use cruise without the front sensor on?
12:39 PM CaptHindsight[m]: it just becomes an insurance issue or out of pocket expense in the US
12:39 PM JT-Shop: no, I like the following mode
12:40 PM Tom_L: i do too until someone move in front and it slams on the brakes
12:41 PM JT-Shop: hmm I touch the brakes and turn off cruse when I see that coming
12:42 PM unterhaus: I am used to the way it works, we had a 2010 car with that feature
12:43 PM unterhaus: I usually drive it on the lowest distance setting
12:43 PM unterhaus: unless it's late at night and that would seem out of place
12:43 PM Tom_L: they're not my normal driver so i'm not used to it but am aware of it
12:43 PM Tom_L: i much prefer the cruise on GM
12:43 PM unterhaus: both toyota and nissan will disable it if you have the windshield washers on high
12:43 PM JT-Shop: you can turn following off or on
12:44 PM Tom_L: i think it has to be on to use cruise
12:44 PM Tom_L: at least that's what they told me
12:44 PM unterhaus: On a toyota, the longest distance cuts a really wide swath, it will slow for people on exits
12:44 PM unterhaus: or at least the 2010 would
12:45 PM unterhaus: I think toyota lets you use cruise without following. The 2010 would. It took some ridiculous manipulations of the controls though
12:46 PM unterhaus: But on the 2020 toyota, it won't even drive if the rear hatch is open, so much for carrying boards over 10'
12:46 PM Tom_L: meh, just strap em to the top :)
12:47 PM unterhaus: roof would collapse
12:47 PM Tom_L: i believe that
12:48 PM unterhaus: I assume it's just the switch, so it might be pretty easy to defeat
12:48 PM unterhaus: my need for that is quite infrequent
12:49 PM unterhaus: cordless circular saws work extremely well, or the big box stores will cut wood for almost nothing
12:51 PM CaptHindsight[m]: just carry the boards sideways :)
12:51 PM CaptHindsight[m]: Self Braking Test vehicle
12:54 PM unterhaus: I have carried stuff sticking out the front window
12:54 PM unterhaus: it always felt a little hinky
12:54 PM unterhaus: unless it was bendy
12:55 PM unterhaus: like trim
12:57 PM roycroft: i've hauled hardwood boards sticking out the front window of my prius
12:57 PM * JT-Shop had to rtfm to finger out onecnc chamfer
12:58 PM roycroft: i prefer not to do that though
12:58 PM roycroft: and i have to pick some boards up soon, so when i got back from my vacation i left the roof rack attached to the car
12:58 PM roycroft: that's a much better way to haul long things
12:59 PM * JT-Shop has moved a whole apartment of furniture with a 65 mustang but prefers not to do it again
01:01 PM Tom_L: JT-Shop, i thought you had chamfer figured out
01:01 PM roycroft: at least it wasn't a 64-1/2 mustang
01:01 PM roycroft: if you had one of those you wouldn't even want to drive it
01:02 PM JT-Shop: tom almost but needed to change the size a tad
01:02 PM JT-Shop: the 65 was 6 cyl with floor shifter an bench seat
01:03 PM Tom_L: when i do mine, i do a wall offset on the edge then lower the cutter the same as the offset for 0 and proceed from there
01:03 PM JT-Shop: Tom_L, there is two numbers you can change with no explanation of what one or the other might do
01:03 PM Tom_L: i try to use as much of the cutter as i can
01:04 PM JT-Shop: if I was hand coding I'd have a g code generator do the math
01:05 PM Tom_L: it would be a little harder for your generator to follow something like this: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/A12_New/A12_P2_2.jpg
01:08 PM Tom_L: the two numbers on yours are likely the offset and depth
01:10 PM Tom_L: on a 45 changing either one would likely have the same effect
01:12 PM JT-Shop: one is length of the chamfer and the other is width
01:13 PM JT-Shop: I'm going length of what?
01:13 PM Tom_L: depth
01:13 PM Tom_L: it's allowing for something other than a 45 chamfer to be calculated
01:14 PM Tom_L: i usually get them backwards in catia :)
01:14 PM JT-Shop: length of the face of the chamfer
01:15 PM JT-Shop: which makes no sense, hence why I had to look it up
01:16 PM Tom_L: so they want the hypotenuse?
01:16 PM JT-Shop: if you change on the other is calculated
01:16 PM JT-Shop: it used the angle of the tool
01:17 PM Tom_L: all i ever do at least so far is 45 so it's easy
01:18 PM Tom_L: that onecnc looked like a pretty good package
01:18 PM JT-Shop: sometimes onecnc can be a royal pia
01:18 PM JT-Shop: better than bobcrap for sure
01:19 PM Tom_L: you probably wouldn't like mine... like driving a stick shift
01:20 PM JT-Shop: my favorite car is a 6 speed :)
01:20 PM Tom_L: but it's also a good 30 yrs old too
01:20 PM JT-Shop: I hated the first windblows os and still hate it
01:20 PM CaptHindsight[m]: https://www.youtube.com/watch?v=TkXMkMxHbjc
01:20 PM * JT-Shop finally got the counterbore diameter correct
01:25 PM JT-Shop: I got as far as his face in the camera and puked and closed the window
01:26 PM Tom_L: same
01:26 PM JT-Shop: but I should have gave it a thumbs down first
01:26 PM Tom_L: don't like 'in your face' videos
01:26 PM JT-Shop: or zoom bang intros they are just stupid
01:27 PM JT-Shop: or waving hands
01:28 PM Tom_L: oh now, that's just part of any good presentation :)
01:28 PM unterhaus: what I hate is when they don't show you what they are making until the end
01:28 PM Tom_L: if i really wanna know that's where i start
01:29 PM unterhaus: or long over-produced intros
01:29 PM Connor: JT-Shop: Hope your not that critical of my videos. :)
01:31 PM JT-Shop: I've never seen one
01:31 PM Connor: JT-Shop: https://www.youtube.com/KnoxMachining
01:31 PM Tom_L: boy you're really askin for it...
01:32 PM JT-Shop: lol
01:32 PM Connor: *shrug*
01:32 PM roycroft: clickspring still makes the best machining videos ever
01:33 PM Tom_L: Connor, is that the makerspace?
01:33 PM roycroft: even though they're all sub 5 minute shorts now
01:33 PM Connor: Tom_L: Yes. :)
01:33 PM JT-Shop: I see nothing wrong with that video, to the point
01:34 PM Connor: Maker Space is called Knox Makers. But, I run my own channel doing my own projects, show casing new stuff I picked for the shop (purchased by me, KM, donated to me/channel or the Space) etc etc etc..
01:35 PM Connor: I need to finish up the Float lock drill press vise build series (And the damn vise). As well as a few more other projects.
01:35 PM Connor: Time is just getting limited.
01:37 PM JT-Shop: even though I didn't watch the whole video I left the speakers on while loading/unloading the vmc every 2 mintues
01:38 PM JT-Shop: nice shop
01:38 PM Connor: Thanks.
01:40 PM JT-Shop: how many sq ft?
01:41 PM Connor: Currently around 7000sq ft, plus another 600 for the Black smith building
01:41 PM JT-Shop: nice
01:41 PM Connor: We're going to be around 10,000 by end of year. We're picking up another bay.
01:41 PM Connor: at which point, we'll be maxed out in the current building.
01:48 PM * JT-Shop thinks a break is in order after finishing the last two parts before switching to another size
01:51 PM CaptHindsight[m]: Connor: how much is the rent for that space?
01:53 PM unterhaus: At least my package from JT seems to be headed in the right general direction
01:54 PM roycroft: for now
01:55 PM roycroft: until the usps decide it needs to visit san francisco or nyc for a bit before it reaches its final destination
02:00 PM Connor: CaptHindsight[m]: $3800 per month
02:01 PM JT-Shop: I'm actually surprised my last package to canucland arrived in reasonable time
02:11 PM CaptHindsight[m]: Connor: what is the ceiling height? 16ft -ish?
02:17 PM Connor: More like 12
02:17 PM Connor: Except for the Blacksmith building.. It's a lot taller because it's a pole barn on a concrete pad.
03:35 PM unterhaus: I didn't need to find out there was water in my storage room
03:35 PM unterhaus: good news is not very much
03:36 PM unterhaus: bad news is don't know where it came from
04:40 PM CaptHindsight[m]: unterhaus: small damp spot? Small puddle? Had to get the fishing waders on the get to the drain?
04:50 PM unterhaus: it looks like water ran down the wall into a storage box. I haven't had the energy to go look for the full extent of it
04:51 PM unterhaus: the visible part of the floor is dry
05:25 PM JT-Shop: crap I can't find the email from powermatic tech support saying my replacement part will ship a week ago
05:33 PM Tom_L: this message will automatically self destruct in 5 sec
05:44 PM JT-Shop: at least I figured out the email came from jpwindustries.com
06:06 PM JT-Cave: 4 more inputs to trace down and connect on the copy lathe and I'm ready to start writing some ladder
06:08 PM Tom_L: nice
06:08 PM Tom_L: figure out how you're goin about it?
06:10 PM JT-Cave: the ladder?
06:13 PM Tom_L: yeah
06:13 PM JT-Cave: that's pretty straight forward for this machine, so yeah I have the ladder in my brain already
06:15 PM JT-Cave: basically if it's in manual the manual buttons can control each function and in auto the auto start runs the sequence once
06:17 PM Tom_L: i see
06:17 PM Tom_L: it just kinda looked like a complicated thing but i suppose if you break it down it's not
06:19 PM JT-Cave: the complicated part was tracing down the wires lol
06:31 PM JT-Cave: I have a tried and true ladder sequencer routine that I use so auto is a breeze... usually
06:32 PM Tom_L: good tools always help
06:32 PM JT-Cave: yep
06:33 PM JT-Cave: basically some condition starts the auto sequence and each step is numbered so you do a compare on each rung to see if it's your turn
06:34 PM JT-Cave: some condition will trigger the step to be done and change the number to the next step
06:34 PM JT-Cave: the cool think is you can have an output on for multiple steps with > and < comparison
06:34 PM JT-Cave: thing
06:34 PM Tom_L: any delays need built in?
06:35 PM JT-Cave: sometimes but usually I use sensors to determine if something is in position
06:35 PM Tom_L: i never learned ladder or even really looked at it
06:35 PM JT-Cave: so cyl 1 is extended go to next step
06:36 PM Tom_L: yeah i get the sequencing part
06:36 PM JT-Cave: ladder reads all the inputs, solves all the logic then updates the outputs in order
06:36 PM JT-Cave: salad time here
06:37 PM _unreal_: god... why do all of these clients of mine keep giving me STL files for stuff they want to have built
06:37 PM Tom_L: cause you keep saying yes
06:37 PM _unreal_: DXF or fusion360 file would be so much less work
06:42 PM unterhaus: do you charge for the conversion time?
06:42 PM unterhaus: if not, that's why they do it. Or they don't have a better format
07:02 PM roycroft: they probably do it because that's what their software produces
07:03 PM roycroft: and unterhaus is correct - you need to charge when you get files in a format you cannot directly handle
07:06 PM Tom_L: burklefoo, do you know if there's a free version for vivado?
07:10 PM CaptHindsight[m]: Vivado ML Standard Edition free.
07:10 PM CaptHindsight[m]: https://www.xilinx.com/support/download.html
07:11 PM Tom_L: thanks
07:11 PM Tom_L: does that include a linux version?
07:13 PM Tom_L: yeah i see it
08:46 PM -!- #linuxcnc mode set to +v by ChanServ
08:52 PM unterhaus: the user manuals for some of my stepper drives are lost to history and it sure would be nice to be able to read a couple of them
08:52 PM unterhaus: I probably have a paper copy somewhere
08:52 PM Tom_L: you can probably find a pdf somewhere
09:15 PM unterhaus: I found a pdf of the most high value one, but unfortunately it's an analog brushless drive.
09:15 PM unterhaus: okay, that's not really unfortunate
09:16 PM unterhaus: but it's not going to work with the application
09:16 PM unterhaus: I was using these stepper drives apparently without any instructions on a parport bob, but I would like to understand them a bit better
10:14 PM perry_j1987: just got back from night time moped ride lol
10:14 PM perry_j1987: fun stuff
11:27 PM snakedGT is now known as snaked