#linuxcnc Logs
Jan 03 2022
#linuxcnc Calendar
12:59 AM * Bleepshop finds several more square feet of floor...
01:07 AM Bleepshop: And for those of you looking for a shop dustpan I highly recommend the 'Quickie Bulldozer Debris Pan #49510 https://www.homedepot.com/p/Quickie-14-in-Jumbo-Debris-Dust-Pan-49510/202523588
01:40 AM XXCoder: roycroft: half of snow is gone here by rain., same your end?
02:04 AM Deejay: moin
02:19 AM Bleepshop: Deejay: Morning. :D
02:19 AM randy: morning
02:19 AM Deejay: hey there :)
02:20 AM Bleepshop: XXCoder: We got ~3" here and then the temperature dropped like a politicians polling numbers and it froze solid.
02:21 AM XXCoder: fun
02:21 AM XXCoder: rapid temperate change only rarely happens here
02:21 AM Bleepshop: In fact it's warmed up put there a bit since sundown. It was 14F earlier and now it's a tropical 18F. LOL
02:27 AM XXCoder: likely warm air mass moving in or somethin
02:32 AM Bleepshop: Temperature doesn't matter that much anyway at the moment. I just got out of a scalding hot shower, got dressed and walked the 100' to the shop drying my hair with a towel. I'll be warm for at least an hour. LOL
02:34 AM -!- #linuxcnc mode set to +v by ChanServ
05:07 AM Tom_L: morning
05:09 AM Tom_L: 15°F
05:14 AM andypugh: enleth: On the 7i77 the screw heads are not necessarily connected if there is no wire in the clamp. I don’t know if that is possibly what you are seeing.
05:15 AM andypugh: And it’s 15C here. Unusually warm for the time of year.
06:04 AM -!- #linuxcnc mode set to +v by ChanServ
06:04 AM JT-Cave: morning
06:05 AM JT-Cave: seems the oil filled heaters are making a huge difference in the big coop 23°F outside and 38°F in the coop
06:08 AM pjm_ is now known as pjm
09:16 AM * flyback bites buzzmarshall
09:16 AM flyback: EH?_HOLE
09:56 AM enleth: andypugh: no, that was definitely a bad driver
10:04 AM t4nk_freenode: just had a look at my apparatus, and it seems I have busted a nut :|
10:05 AM t4nk_freenode: printing a new one
10:05 AM t4nk_freenode: that must account for some unpredictable results I say
10:06 AM t4nk_freenode: printing a different kind of locking collar now
10:06 AM t4nk_freenode: don't like having to take it apart to mount it though
10:27 AM t4nk_freenode: takes 1h45m to print
10:27 AM t4nk_freenode: the rest of em seem ok-ish
10:27 AM t4nk_freenode: but I'm not even gonna keep these leadscrews on
10:28 AM t4nk_freenode: I don't like wasting filament
10:28 AM t4nk_freenode: but... it needs to be done
10:57 AM enleth: eh, the VFD I'm using is pretty much perfect in every way except for the fact that its programmable digital inputs are sourcing
10:57 AM enleth: what were they thinking?
10:59 AM enleth: I can invert their logic state in config, but that doesn't do much good
11:00 AM enleth: it's either going to be unsafe on short to ground (sourcing active-high), or unsafe on open circuit
11:37 AM t4nk_freenode: well, that wasn't too bad, it's a nice collar, fit it in a bit
11:55 AM t4nk_freenode: .... yeah... the other one is nuts too :(
11:55 AM t4nk_freenode: better print another one
12:03 PM roycroft: the wind has finally died down, and the forecast now calls for about 1/2 the rain that was originally expected
12:04 PM roycroft: still, most school districts across the county have either cancelled classes today or are on a delayed schedule, due to heavy rain and power outages
12:31 PM JT-Shop: https://gnipsel.com/images/chickens/elevated-dust-bath/edb-01.jpg
12:32 PM JT-Shop: I'm getting ready to do something I've never done before put splines in a mitered joint
12:32 PM JT-Shop: going to trim the corners off the put a 3/16" spline in the middle... should I cut the splines first?
12:33 PM t4nk_freenode: hey man... isn't that oil heater giving off bad fumes?
12:34 PM JT-Shop: I'm a bit concerned about the joint(s) failing while cutting the spline... thinking of pocket screw some bits to the inside
12:34 PM * JT-Shop ponders this while cleaning chicken poop off the tools
12:41 PM JT-Shop: the cardboard is the finished part size
12:58 PM roycroft: i would cut the spline slots first
01:01 PM roycroft: well this is a potentially good sign
01:01 PM roycroft: i have a few errands to run at lunch today
01:01 PM roycroft: and the rain is letting up a bit
01:01 PM roycroft: at least it's not blowing sideways any more
01:07 PM JT-Shop: ok, I glued some bits cut off to make the miter to the inside for extra temp strength
01:08 PM JT-Shop: so cut the spline slots from both sides so they are centered then make the splines it is
01:15 PM roycroft: they don't necessarily need to be centered
01:16 PM roycroft: as long as you use the same reference surface for all the parts
02:02 PM _unreal_: enleth, why not use a simple inverter array chip
02:03 PM enleth: _unreal_: I made a simple board with a bunch of relays to interface that thing
02:20 PM _unreal_: t4nk_freenode, so what software packages did you use to compile with/on?
02:20 PM _unreal_: for the stm32
02:20 PM _unreal_: am i'm trying to focus if I can. but man this throat things is a pain.
02:21 PM _unreal_: some good news. the bug count in the house has gone WAYHYYYY down
02:29 PM t4nk_freenode: _unreal_, https://github.com/grblHAL/STM32F4xx
02:30 PM t4nk_freenode: I used stm32cubeide myself
02:30 PM _unreal_: ok
02:30 PM _unreal_: I have that setup
02:30 PM _unreal_: for windows and working
02:30 PM t4nk_freenode: though I must say... I'm probably movingaway from this soonb
02:30 PM _unreal_: ?
02:30 PM Tom_L: moving to what?
02:31 PM t4nk_freenode: well, I had a dabble with linuxcnc not so long ago, but I couldn't quite depend on it when I needed to do some stuff with the machine
02:31 PM t4nk_freenode: so I went back to grbl
02:31 PM t4nk_freenode: but now I want back to linuxcnc ;)
02:32 PM _unreal_: good move regardless i just need to solve adding features desired and compile
02:32 PM t4nk_freenode: but not until I get these pcbs to a satisfactory level
02:33 PM t4nk_freenode: I've been working up a sweat just now, fitting the new collars
02:33 PM t4nk_freenode: it's nearly there now
02:37 PM t4nk_freenode: those 6008zz bearings are a pain in the butt
02:38 PM t4nk_freenode: getting caught on the leadscrew at the most inconvenient of times
02:40 PM t4nk_freenode: and I can't reach the upper two screws from the z anti backlash nut to tighten them
02:40 PM t4nk_freenode: can grab em from the other side from the threads.. but I don't like that
02:41 PM JT-Shop: https://gnipsel.com/images/chickens/elevated-dust-bath/edb-02.jpg
02:41 PM JT-Shop: glued some doublers to the inside corners for extra support while cutting and fitting the splines
02:49 PM enleth: so my 7i77 just started reporting error 28 ("Over voltage") despite VIN being at 25V
02:49 PM enleth: what the hell?
02:49 PM enleth: did it several times, won't even last long enough to home the machine now
02:50 PM _unreal_: over voltage?
02:50 PM _unreal_: on your motor or on your logic?
02:51 PM enleth: on whatever it is when 7i77 reports that error
02:52 PM enleth: I haven't measured the input voltage with a scope, just a multimeter, which would not show transients, off to measure against other reference voltages in the machine
02:56 PM enleth: no AC component anywhere that I can find, field ground is at machine ground, anything I poked with a probe relative to ground was what it should be
02:57 PM enleth: pcw--home: does 7i77 or 5i25 actually *do* anything other than report this error, or is it just linuxcnc refusing to continue using the card?
02:57 PM Tom_L: what about when the compressor kicks on?
02:58 PM Tom_L: etc
02:58 PM enleth: the mill is the only piece of heavy equipment running right now, in the whole building
02:58 PM _unreal_: does it give any more detail as to WHAT area of the card is sensing?
02:59 PM _unreal_: and I would assume the card is isolated from the motor controllers
02:59 PM enleth: _unreal_: guessing from the forums, this refers to field VIN, but there's no details of any sort
03:02 PM enleth: the specific error is "hm2/hm2_5i25.0: Smart serial card hm2_5i25.0.7i77.0.0 error = (28) Over Voltage"
03:03 PM t4nk_freenode: pfff there, it's back together now.. may have given the collars a bit too much tension, it's running quite heavy
03:03 PM t4nk_freenode: relatively, but I think the stepper can take it
03:04 PM t4nk_freenode: new collars are really nice, I may print 4 more overnight
03:05 PM t4nk_freenode: I need a break.
03:06 PM roycroft: enleth: are you sure that error means the voltage somewhere is detected as 28v?
03:07 PM roycroft: could the 28 just be the error number?
03:07 PM roycroft: in which case, it could be an overvoltage anywhere on the board, not just in the 25v circuit
03:08 PM enleth: roycroft: at no point did I ever mention 28V
03:08 PM enleth: roycroft: this is obviously error code 28
03:08 PM enleth: and I noted the voltage is at 25V, because the maximum for 7i77 is 32V
03:10 PM roycroft: ok
03:12 PM enleth: at this point I'm convinced the overvoltage sensing is acting up with no actual overvoltage, so I'm looking for a way to ignore it
03:12 PM enleth: apparently, this has been known to happen
03:21 PM enleth: blowing off crap (wasn't much) with compressed air didn't help
03:55 PM enleth: bugger me - machine ground has been connected to VFD logic ground yesterday, so I disconnected that because no other recent change could have caused the problem
03:55 PM enleth: presto, fixed
03:56 PM XXCoder: yay on discovery. I decline the offering though
03:56 PM enleth: VFD logic *ground* is somehow causing this even though the 24V line is not connected to the VFD
03:57 PM enleth: whatever the VFD is feeding into the ground line, must have been truly horrible
03:57 PM enleth: and completely invisible to a DMM
03:57 PM XXCoder: high noise?
03:57 PM enleth: I don't have time to scope it, but I'd assume as much
03:59 PM enleth: and it was a problem despite machine ground being, well, *grounded*
04:03 PM JT-Shop: most vfd's are extremely noisy
04:03 PM XXCoder: jt is there a way to ground those without inference?
04:04 PM enleth: measure the noise, design a filter, put it in
04:05 PM enleth: although there's a problem of "where do you shunt the noise *to* if you're trying to get it out of the *ground* line"
04:07 PM JT-Shop: mine is grounded to the frame right next to the vfd and I think the vfd is mounted to some kind of filter thing
04:10 PM JT-Shop: https://www.amazon.com/gp/product/B00N3ZZ4PU
04:10 PM enleth: now there's one more problem
04:10 PM JT-Shop: and there is one of those on the single phase input lines
04:10 PM enleth: pcw--home: is the analog output ground on 7i77 separated from other grounds on the board?
04:11 PM enleth: actually, wait, I can check that
04:11 PM enleth: not now, the machine is running, but I can later
04:36 PM t4nk_freenode: hehe.. yesterday I was completely baffled about why my machine was going crazy when homing and probing
04:36 PM t4nk_freenode: ... turns out I had backlash compensation set to 430mm instead of 0.43
04:36 PM t4nk_freenode: lol
04:37 PM t4nk_freenode: just switched on, and understood
04:39 PM t4nk_freenode: yeah, the stepper can handle it no problem.. it's looking tight now
04:39 PM XXCoder: wow just read about twins being born in different years. awesome lol
04:39 PM jdh: pretty much every year
04:39 PM t4nk_freenode: I'll print 4 more nuts overnight, make the y more solid too
04:55 PM _unreal_: cypictures?
04:57 PM XXCoder: jdh: will there be triples, all different years? ;)
04:57 PM XXCoder: kidding
04:59 PM jdh: that would be cruel to the mother.
04:59 PM roycroft: and just think, the ambitious one got the parents a nice tax credit for 2021
04:59 PM roycroft: the lazy one did not
04:59 PM roycroft: who's going to get the best birthday present next year?
05:02 PM XXCoder: lol
05:04 PM CaptHindsight[m]: XXCoder: have you seen the SNL sketch about the mom with kids only a few months apart?
05:04 PM XXCoder: nah I dont really watch any tc
05:04 PM XXCoder: tc
05:04 PM XXCoder: dammit tv'
05:05 PM JT-Shop: gotta move the door up output from GPIO 4 to somewhere else so I can connect a 1 wire temperature sensor
05:09 PM JT-Shop: maybe not you can use any gpio pin for 1 wire if you set it up in the boot config
05:35 PM Tom_itx: JT-Cave, ?
05:35 PM Tom_itx is now known as Tom_L
05:43 PM Tom_L: how do you get a centerline to show up on an extruded hole in sw?
05:43 PM Tom_L: catia automagically puts one there for constraint (mate) use
05:43 PM Tom_L: sw seems to like using the edge of the cylinder or hole
05:45 PM CaptHindsight[m]: bjorkintosh: I thought that the reprappers figured out how to make the fastest printers years ago
05:45 PM _unreal_: bjorkintosh, more or less what you just said to me is "I did no research I know nothing about what I got and I'm dissapointed in the outcome"
05:45 PM bjorkintosh: well. I assembled it immediately after I bought it in May, but I gave it away. perfect christmas present.
05:45 PM roycroft: bjorkintosh: i have purchased a new hot end for my ender5
05:46 PM Tom_L: bjorkintosh, if you have .1" resolution it will be faster than .001" if you can get it to squirt out fast enough without sagging
05:46 PM _unreal_: CaptHindsight[m], I think he's expecting it to be like a laser printer printing on a peice of paper
05:46 PM bjorkintosh: _unreal_, yes. that's exactly right!
05:46 PM _unreal_: hit go done
05:46 PM roycroft: i'm waiting on some connectors to arrive, then i can install it
05:46 PM roycroft: it should allow me to use a much larger nozzle, and print much faster
05:46 PM bjorkintosh: roycroft, do you have a link for it by any chance?
05:46 PM roycroft: i anticipate i'll be able to at least double my print speed
05:47 PM t4nk_freenode: bjorkintosh, ... the ender is pretty decent, no worries ;)
05:47 PM _unreal_: bjorkintosh, a 3d printer at home is more like a super super super easy way to do a professional one off of a part that .9999999999999999% of people are not able to produce by hand.
05:47 PM bjorkintosh: _unreal_, my purchase was based completely on seeing someone else on here printing with one.
05:47 PM Tom_L: they should rethink how they do it. fill a vat with molten plastic and squirt it out like a katsup bottle
05:47 PM Tom_L: or like a pastry chef
05:48 PM roycroft: https://www.filastruder.com/collections/e3d-hotends/products/e3d-volcano
05:48 PM bjorkintosh: Tom_L, that sounds exactly like injection molding.
05:48 PM roycroft: the 'volcano' variant is the key
05:48 PM Tom_L: without the mold?
05:48 PM roycroft: it has a much longer nozzle and heating chamber
05:48 PM roycroft: and a more powerful heater
05:48 PM CaptHindsight[m]: DLP/LCD resin print the mould
05:49 PM CaptHindsight[m]: inject with molten poymers
05:49 PM _unreal_: injection molding diy at home is do able there are not small DIY injection mold machines that are desktop style. but they are only good for tiny tiny ?? 50x50x50mm runs
05:49 PM CaptHindsight[m]: or thermoset resins
05:49 PM roycroft: but i should also tell you that you may be able to print a lot faster by just adjusting your slicer parameters
05:49 PM Tom_L: i know a guy that made one but his links are all gone now
05:49 PM _unreal_: and have like a 2-20min setup per injection depending on mold design
05:49 PM bjorkintosh: <CaptHindsight[m]> bjorkintosh: I thought that the reprappers figured out how to make the fastest printers years ago. I'll have to do some research.
05:50 PM _unreal_: bjorkintosh, what is your goal
05:50 PM roycroft: yoyu can perhaps double it that way
05:50 PM roycroft: at the potential loss of some resolution and/or part strength
05:50 PM bjorkintosh: _unreal_, fun. nothing more. I just don't want to take longer than 2 hours to print a part.
05:50 PM bjorkintosh: it doesn't scratch my instant gratification itch.
05:50 PM * roycroft has a 15 hour print job on the printer right now
05:50 PM _unreal_: ?????? fun??? then why are you complaining about speed
05:50 PM roycroft: but that's 9 parts being printed simultaneously
05:50 PM bjorkintosh: hahahah. instant gratification.
05:51 PM CaptHindsight[m]: FDM is inherently slow due to only have one small nozzle that deposits materials
05:51 PM Tom_L: roycroft, unless on the last few layers it lets loose from the table
05:51 PM CaptHindsight[m]: bjorkintosh: have you looked into resin printers?
05:51 PM roycroft: bjorkintosh: with your stock printer you can adjust layer height, infill type and percent, and gain a lot of speed that way
05:51 PM XXCoder: bjorkintosh: theres vorons biw
05:51 PM XXCoder: quite a bit faster but still not huge speed gain
05:52 PM CaptHindsight[m]: they print an entire layer at one time, <1 second
05:52 PM roycroft: tom_l: the parts i'm printing now i've printed before
05:52 PM roycroft: i know how they will turn out
05:52 PM bjorkintosh: CaptHindsight[m], that's next. I thought the fumes would be too overwhelming for an apartment.
05:52 PM unterhaus: I need to attach a 1 inch wide piece of baseboard
05:52 PM * Tom_L introduces roycroft to Mr Murphy
05:52 PM roycroft: resin prints cost 2x as much as squirt prints
05:52 PM _unreal_: bjorkintosh, as I said resin printers are fast, but they take a lot LOT of maintenance
05:52 PM bjorkintosh: ah. the faster costs more.
05:53 PM roycroft: i'd be more interested in them otherwise
05:53 PM CaptHindsight[m]: bjorkintosh: do you has windows? It depends on the resins
05:53 PM bjorkintosh: okay I see.
05:53 PM _unreal_: roycroft, dont feed into him your repeating everything I just said above
05:53 PM Tom_L: my local guy called today to let me know he finally got my drill set in after probably 6-8 months
05:53 PM bjorkintosh: CaptHindsight[m], I do.
05:53 PM bjorkintosh: I don't know if my neighbors will be so pleased.
05:53 PM roycroft: i missed the beginning of this discussion
05:53 PM Tom_L: i told him i forgot why i needed it
05:54 PM roycroft: if i'm repeating what others have already said and others find it annoying, i'll just shut up
05:54 PM CaptHindsight[m]: bjorkintosh: apartments are generally not conducive to fabricating components or manufacturing
05:54 PM roycroft: i did not intend to annoy
05:54 PM Tom_L: aww go ahead
05:54 PM CaptHindsight[m]: yeah neighbors are always a problem
05:54 PM bjorkintosh: CaptHindsight[m], in hindsight, you're absolutely correct.
05:54 PM roycroft: all i know is that there are ways to speed up filament printing significantly
05:54 PM Tom_L: roycroft, have a chance to test my idea?
05:54 PM _unreal_: roycroft, message
05:54 PM roycroft: yes, but i have another issue, tom_l
05:54 PM roycroft: and i've been really busy with work today
05:54 PM Tom_L: oh goodie
05:55 PM Tom_L: something else to work out
05:55 PM roycroft: i think i know what's going on
05:55 PM CaptHindsight[m]: apartments are best with empty next door as well as above and below
05:55 PM bjorkintosh: or a house. which I'll be moving into.
05:56 PM roycroft: remember i told you that when i "pull" an existing hole location down to the part i'm going to mate to it that it makes an invisible relation to the other part?
05:56 PM roycroft: i think that's getting in the way
05:56 PM roycroft: the plate i'm working on now
05:56 PM roycroft: i drew it
05:56 PM roycroft: then i mated it to the other assembly
05:56 PM roycroft: put the four corner holes in
05:56 PM _unreal_: roy so a hidden constraint
05:56 PM roycroft: then removed it from that assembly
05:56 PM roycroft: yes
05:56 PM _unreal_: I always just turn off all constraints
05:57 PM _unreal_: and disable
05:57 PM roycroft: now, when i try to extrude the holes on it, i get errors that the part cannot be modified because it has external references
05:57 PM Tom_L: then you have broken constraints
05:57 PM roycroft: so i just need to open it, delete the contraints on the existing holes, fully constrain the part internally, and then i should be good to go
05:57 PM Tom_L: and depending how you did them makes it difficult to recover from
05:57 PM bjorkintosh: roycroft, what software are you using?
05:57 PM roycroft: solidworks 2012
05:58 PM roycroft: i don't think this will be hard to do
05:58 PM roycroft: and if it is, then i just need to change my order of operations
05:58 PM Tom_L: where is the tab for part visibility in sw?
05:58 PM Tom_L: like we discussed
05:58 PM roycroft: i need to build the subassembly completely before i mate it to the main assembly for those holes
05:59 PM _unreal_: bjorkintosh, do you have 3d printer questions or cnc questions? if your looking for more 3d printing help #reprap can help a lot more
05:59 PM roycroft: i did it the way i did because i wanted to know those hole locations before i located the trucks, so that they would not interfere
05:59 PM JT-Shop: ready to spline tomorrow
05:59 PM roycroft: after i get back from errands i'm going to try to remove the constraints
05:59 PM roycroft: if not, i'll scrap the part and rebuild it from scratch
06:00 PM roycroft: and not do those first holes until i have everything else built on the subassembly
06:00 PM bjorkintosh: _unreal_, nah. I figured there was significant crossover though. Besides, I think I want to upgrade the hardware at some point to run marlin
06:00 PM roycroft: i have one more part to add after the trucks
06:00 PM _unreal_: bjorkintosh, there is some degree of "cross talk" in all rooms but this is more going to be linuxcnc and cnc milling.....
06:01 PM Tom_L: _unreal_, and chickens
06:01 PM bjorkintosh: _unreal_, yes. I know that.
06:01 PM _unreal_: Tom_L, ?
06:01 PM roycroft: tom_l: it did look like adding the points and then lining them up with the holes was going to work, other than that error
06:01 PM bjorkintosh: _unreal_, I come and go all the time. just haven't been in this # recently.
06:02 PM bjorkintosh: speaking of. now that I'm done with 3d printing. I think it's time to buy a desktop mill.
06:02 PM JT-Shop: roycroft, if you want to give me a link to the files I can look in the am
06:02 PM roycroft: if i still can't get it sorted i'll post some files
06:03 PM JT-Shop: I don't make assembly modifications to a part just mate the parts in the assembly
06:03 PM Tom_L: JT-Shop, he was trying to use the hole wizzard with hole locations by constraint and i don't think that's possible with the hole wizzard
06:03 PM roycroft: tom_l found the problem with the method i was using
06:03 PM roycroft: the hole wizard does not work the same as just extruding a circle
06:03 PM Tom_L: it's a spun profile
06:03 PM Tom_L: not a hole
06:04 PM roycroft: it builds a profile of the hole then does a revolved extrusion to create it
06:04 PM Tom_L: so trying to locate it with a constraint ahead of time seems nearly impossible
06:04 PM JT-Shop: I use the hole wizard for tapped holes only and use dimensions to locate them
06:04 PM Tom_L: he didn't want to use dimensions
06:04 PM roycroft: that's what i was doing
06:04 PM roycroft: but i don't want to have to deal with that
06:04 PM roycroft: not only to save time, but to make things more accurate
06:05 PM roycroft: if i have an existing set of holes on a mated part, i want to use those hole locations to locate the new holes
06:05 PM JT-Shop: when I mate holes I mate them all so I can check if any dimensions are off
06:05 PM roycroft: if i measure wrong they won't line up
06:05 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/cnc/roycroft/step3.jpg
06:05 PM JT-Shop: and they won't mate up either
06:05 PM Tom_L: JT-Shop, ^^
06:05 PM roycroft: if i'm just building parts from scratch it's easy to do it with dimensions
06:05 PM Tom_L: only with a spun profile you can't do that
06:05 PM roycroft: because i have total control over the entire design process
06:06 PM roycroft: but if i'm importing part models from third parties, i don't know the dimensions, and they're sometimes not easy to derive
06:06 PM JT-Shop: if your using imported parts just use the measure tool to find the hole locations
06:06 PM roycroft: and in this case especially, i'm building my parts using american customary units
06:06 PM roycroft: and mating them to metric parts
06:06 PM JT-Shop: super easy... the measure tool
06:06 PM JT-Shop: doesn't matter
06:06 PM roycroft: it requires math
06:06 PM JT-Shop: the measure tool is your friend
06:06 PM roycroft: which i can do
06:06 PM Tom_L: in the end i had him use points to the concentric hole from the mating part and that semed to work
06:07 PM JT-Shop: not at all
06:07 PM roycroft: but calculations take time
06:07 PM JT-Shop: no need to calc anything
06:07 PM JT-Shop: just measure the hole locations
06:07 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/cnc/roycroft/step4.jpg
06:07 PM roycroft: jt-shop: if i'm locating an m5 hole on a part that is centered 7mm from the edge of the part
06:07 PM Tom_L: then he can use the wizzard to locate his holes
06:07 PM roycroft: and the edge of the part is 0.875" from the edge of the mating part
06:08 PM roycroft: then i have to do some math to set the dimension on the mating part
06:08 PM JT-Shop: you can type in 7mm in a inch part...
06:08 PM roycroft: i've tried using the measure tool to measure from the hole center of part a to the edge of part b
06:08 PM roycroft: yes, but i need not to be 7mm
06:08 PM roycroft: i need it to be 7mm +7/8"
06:08 PM Tom_L: not knowing all the in's and out's of sw that looked pretty easy to me
06:09 PM JT-Shop: you can do that too
06:09 PM roycroft: maybe i can do that in a dimension
06:09 PM JT-Shop: yup
06:09 PM roycroft: but at the end of the day, when i'm going to be mating potentially hundreds of holes
06:09 PM Tom_L: that's why i was asking about a centerline projecting down from the mating part
06:09 PM JT-Shop: I use the measure tool to find the hole layout
06:09 PM roycroft: it would be easier to not do any measuring at all, and locate them using concentric constraints
06:09 PM andypugh: I tested my new touch-probe. It seems to have 1µm repeatability.
06:09 PM JT-Shop: if they repeat then just do a linear repeat
06:09 PM Tom_L: nice andy
06:10 PM andypugh: (under very limited conditions)
06:10 PM roycroft: i should head to market before it gets full of anti-maskers
06:10 PM andypugh: Concentricity to the spindle is a lot less good. 0.6mm run-out.
06:10 PM JT-Shop: my BP can't do that
06:10 PM roycroft: and then get back to some solidworks stuff
06:11 PM * JT-Shop wanders inside for some rabbit food
06:11 PM andypugh: But, then, all the spindle-mounted probes that I have seen have centring adjustment.
06:13 PM Tom_L: anyone have an opinion on the wobbler edgefinders that are cylinder opposed to having a flat on the side?
06:14 PM XXCoder: interesting. I always used cylinder ones
06:14 PM XXCoder: works fine
06:15 PM XXCoder: mine is designed to be used on 1000 rpm, though some people use less, like 700 rpm
06:18 PM JT-Cave: Tom_L, mine have a cylinder and a cone, not sure what the cone is for
06:18 PM JT-Cave: I've always heard 1k rpm for them
06:19 PM XXCoder: cone isnt that for aligning with a bore
06:19 PM JT-Cave: but how does it work?
06:19 PM JT-Cave: the cyl kicks off to the side when your exactly on the edge
06:19 PM XXCoder: assuming I understood it correctly, you move on xy till clinder is aligned with cone
06:20 PM XXCoder: but I probably is wrong, never saw anyone use cone type
06:20 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/cnc/cutters/Edgefinder.jpg
06:20 PM XXCoder: and personally, I prefer dial test indiuctor for bore center finding
06:20 PM Tom_L: supposedly you can hear it better?
06:20 PM JT-Cave: never seen one like that
06:20 PM Tom_L: i haven't used the one with the flat yet
06:21 PM XXCoder: interesting. being deaf thats bit useless for me though lo
06:21 PM Tom_L: kid got it at votech as part of his tool package
06:21 PM JT-Cave: maybe you could feel it better
06:21 PM Tom_L: that or hear, i'm not sure
06:22 PM XXCoder: maybe though I prefer to see it pop offset. way easier to see
06:22 PM Tom_L: and it's too cold out there to find out right now :)
06:22 PM JT-Cave: well if your deaf you have to feel
06:22 PM XXCoder: not for edgefinder
06:22 PM Tom_L: yup
06:22 PM Tom_L: i'm getting there gradually
06:22 PM JT-Cave: yes I look for the pop
06:22 PM Tom_L: so do i
06:23 PM Tom_L: i've also seen the cones but never tried one
06:23 PM JT-Cave: in any case back to sw if roycroft reads back to make holes for a linear rail say 100 holes it takes me a minute... dimension the first hole then linear offset the rest
06:23 PM Tom_L: yeah
06:24 PM Tom_L: catia can do a grid that way too, i'm sure sw will also
06:24 PM Tom_L: with varying offsets
06:25 PM JT-Cave: you can do a grid, a straight line or a circular pattern
06:25 PM JT-Cave: I think roycroft is trying to do it the hard way...
06:26 PM Tom_L: i'm in agreement there
06:26 PM andypugh: XXCoder: Captions on the way. Can you let me know if there are any problems? https://youtu.be/2ia1_NKQJKs
06:26 PM Tom_L: was trying to help but what little i knew about sw went poof and i was trying to recall bits of it
06:26 PM JT-Cave: but I can understand trying to save time when designing a part
06:27 PM XXCoder: looking
06:27 PM JT-Cave: look in the morning during free time
06:27 PM andypugh: I think that YouTube is still workig on the caption timings
06:27 PM Tom_L: you need to hurry up and get starlink :)
06:27 PM JT-Cave: I'm on the list...
06:28 PM JT-Cave: chow time, see you in the am
06:29 PM XXCoder: have fun jt
06:29 PM XXCoder: andy will let you know when it has captions.
06:29 PM XXCoder: wtf youtube autoplays now
06:29 PM Tom_L: depends how it is set
06:29 PM XXCoder: its set to off.
06:30 PM XXCoder: it wasnt playing and I switched from hexchat to browser, and it just started playing
06:32 PM XXCoder: captions is in
06:34 PM XXCoder: oh yes its you andypugh lol I knew someone was thinking on making cyclinder based probe
06:34 PM XXCoder: but couldnt remember who
06:39 PM XXCoder: did vise have stop for repeatability
06:40 PM andypugh: Yes
06:40 PM XXCoder: ok
06:41 PM XXCoder: oh you menions on second holes readjusting stop
06:42 PM andypugh: I think that I need to change some timings for best comedy value
06:43 PM XXCoder: doh
06:45 PM XXCoder: using heat inserts interesting
06:46 PM andypugh: Just a way to attach the cable firmly without ripping off the solder connections to the rods.
06:46 PM andypugh: So the “doh” was the “start again” point?
06:46 PM XXCoder: yeah endmill ripped part heh
06:47 PM XXCoder: interesting
06:48 PM XXCoder: one word error in captioning"centring"
06:49 PM XXCoder: centred. im not sure what lobality and lobularity words is
06:50 PM andypugh: My (UK) spell-checker likes “centring”
06:50 PM XXCoder: well its excellent video
06:51 PM XXCoder: I wonder if you could add set screw to push in one side of one of cylinders in all 3 groups
06:51 PM XXCoder: having 1 mm adjustable, +- would make it centerabkle
06:52 PM andypugh: Normally there would be 4 screws that mount the probe in a tool shank, and you adjust those like a 4-jaw chuck to centre the ball.
06:52 PM andypugh: Bear in mind that the styluses just screw in, there isn’t anything to centre them in the screw thread.
06:54 PM XXCoder: if it wasnt made from worn tools, and are made, probably could make cylinders actually slightly tapered, with threads and slot on bottom for easy adjusting
07:01 PM CaptHindsight[m]: the ball and LED type will bend if you jog with the stem below the surface of the part, not just the ball. Ask me how I know.
07:02 PM CaptHindsight[m]: https://www.amazon.com/Precision-Electronic-Finder-Milling-Machine/dp/B01LXEZY1L
07:02 PM roycroft: but they will only bend until they break
07:02 PM roycroft: so they won't bend very much
07:03 PM CaptHindsight[m]: few mm at least
07:03 PM andypugh: The one in my video uses about $100 of PEEK, so the Amazon one looks like a bargain :-)
07:03 PM andypugh: (But I got the PEEK for free, and it looks super-technical)
07:04 PM XXCoder: I did want to think a extreme short probe for cnc router use
07:04 PM XXCoder: because z is so short. 3" on my case
07:05 PM CaptHindsight[m]: andypugh: https://github.com/tormach/hal_ros_control/tree/foxy-devel just noticed this on the ML
07:06 PM andypugh: Yes, I wish I gad the time to follow that. And the LinuxCNC PO4 stuff.
07:06 PM Tom_L: quit your $$$Day job and play all day :)
07:07 PM andypugh: XXCoder: My design could be made even shorter, and could be buried inside the tool taper.
07:07 PM XXCoder: nice
07:07 PM CaptHindsight[m]: Tom_L: you need a day job that is playing with CNC and similar
07:08 PM andypugh: It’s not hard to imagine a version where the stylus and cabe come out through the hole in the ER collet nut.
07:08 PM Tom_L: CaptHindsight[m], then it wouldn't be fun
07:08 PM CaptHindsight[m]: andypugh: what is PO4?
07:08 PM XXCoder: depends on size of collet I guess. mine is er16 standard
07:08 PM Tom_L: CaptHindsight[m], it's the new doc formater they're working on
07:08 PM Tom_L: for the lcnc docs
07:08 PM CaptHindsight[m]: ah
07:09 PM Tom_L: for language translation etc
07:09 PM andypugh: A probe inside an ER16 taper would be a challenge, I think.
07:09 PM andypugh: https://github.com/LinuxCNC/linuxcnc/pull/1356/files/8f3459262b3ff3b1b12f37d8c6d63540170c85fc..f4dca8db9fe4ccffcdd59cba4e3af95b28db9961
07:09 PM CaptHindsight[m]: also https://forum.linuxcnc.org/27-driver-boards/44422-colorcnc
07:09 PM andypugh: Yes, that also looks like fun
07:10 PM CaptHindsight[m]: a low cost FPGA board that is starting to work with LCNC
07:10 PM andypugh: Anyway. Back to work tomorrow. Time to go.
07:10 PM CaptHindsight[m]: g'nite
07:10 PM XXCoder: just had a interesting thought. probe is essentally tack-like but with longer spike. the contacts is 3 pins, adjustable by pusing up or down
07:10 PM XXCoder: oh left
07:11 PM CaptHindsight[m]: Tom_L: running a CNC all day doesn't sound like much fun
07:12 PM Tom_L: probably.. there are worse things
07:13 PM CaptHindsight[m]: crap sorter sounds worse
07:15 PM CaptHindsight[m]: I'm sorting out about 50 boxes of STUFF. Glad it's not crap.
07:20 PM roycroft: https://www.youtube.com/watch?v=MvgN5gCuLac
07:21 PM XXCoder: my favorite quote by him https://www.zenpencils.com/comic/25-george-carlin-on-bullshit-explicit/
07:39 PM _unreal_: considering my left inner ear is hurting it only took me several tries make a left into my room.
07:55 PM CaptHindsight[m]: Bullshit is just a subset of Orwell
07:55 PM * t4nk_freenode sticks his finger in _unreal_'s right inner ear, to even things up
08:00 PM CaptHindsight[m]: The past was erased, the erasure was forgotten, the lie became the truth. timely
08:16 PM roycroft: the quiche is in the oven
08:31 PM CaptHindsight[m]: roycroft: is that a quote by Betty C?
08:31 PM roycroft: it's a statement of local fact
08:32 PM roycroft: asparagus was on sale today
08:32 PM CaptHindsight[m]: i thought it was mere rumor
08:32 PM roycroft: so i'm making asparagus quiche in january
08:32 PM roycroft: unprecedented
08:32 PM roycroft: but surely delicious
09:01 PM snakedGT is now known as snaked