#linuxcnc Logs

Aug 01 2021

#linuxcnc Calendar

12:10 AM -!- #linuxcnc mode set to +v by ChanServ
12:17 AM -!- #linuxcnc mode set to +v by ChanServ
08:11 PM _unreal_: the lift I have no missing
08:11 PM _unreal_: wiring was stripped out as well
08:11 PM _unreal_: already got that redone
08:11 PM _unreal_: just need the power board to get it going
08:12 PM _unreal_: it will be soo damn cool to get that lift working
08:15 PM _unreal_: so whats new?
08:15 PM _unreal_: anyone making someting amazing?
08:36 PM roycroft: i'm struggling to sort out how lamp hardware works
08:36 PM roycroft: i've determined that i need '1/8"ips' fittings
08:37 PM roycroft: but i bought a variet of '1/8"ips' fittings today, and while they are all labeled exactly the same, they are three different sizes
08:38 PM roycroft: i found one piece of tubing and some nuts that work with my lampholders, and that gets me going for making the prototype
08:38 PM roycroft: but it's going to drive me insane if i have to figure out which '1/8"ips" size i'm ordering at any given time
08:40 PM roycroft: allegedly the standard for 1/8"ip is 0.405" major diameter and 27tpi
08:40 PM roycroft: i don't know what the hell ips is supposed to be
08:41 PM roycroft: 1/8"ip is a 19th century standard for iron pipe and is supposed to be the standard for lamp fixtures
08:41 PM roycroft: but everything i've found, and i've looked at multiple stores, is labeled '1/8"ips'
08:41 PM Tom_L: 3/8" diameter
08:42 PM Tom_L: https://grandbrass.zendesk.com/hc/en-us/articles/203607534-Thread-Size-Chart-
08:42 PM roycroft: 3/8"-24 and m10-1.0 nuts fit on the nipples, but loosely
08:42 PM roycroft: and that confused me, because 24tpi and 1.0 thread pitch are close, but not nearly the same
08:42 PM Tom_L: most of the ones i've seen have crappy threads
08:43 PM roycroft: i'm beginning to wonder if that's really the case
08:43 PM roycroft: that the stuff i bought that fits i just made better
08:43 PM roycroft: and the other "sizes" are just out of tolerance
08:43 PM Tom_L: https://www.bplampsupply.com/help/15WebNippleReference.php
08:43 PM Tom_L: basically the same as the first one
08:44 PM roycroft: so i think my problem has shifted
08:44 PM roycroft: from figuring out what size i need to finding a vendor who can make parts and hold tolerances reasonably
08:45 PM roycroft: that's actually a good shift
08:46 PM roycroft: i should like to mention once again that i'm astonished that i went all these years without a 12" disc sander
08:46 PM roycroft: that machine is amazing
08:46 PM roycroft: it's going to save so much time
08:47 PM _unreal_: arg... broke an other .5mm bit
08:48 PM _unreal_: this PCB is odd
08:48 PM roycroft: from one store today i bought a 3' length of 1/8"ips all thread rod
08:48 PM _unreal_: its extra hard?
08:48 PM roycroft: i could not even begin to determine the thread pitch
08:48 PM _unreal_: my normal feeds/speeds are not working on it
08:48 PM _unreal_: sigh
08:48 PM roycroft: i think it was double threaded or something
08:48 PM Tom_L: 2 lead?
08:48 PM Tom_L: odd
08:49 PM roycroft: i don't think it was intentional
08:49 PM Tom_L: like i said, the ones i've seen look pretty crappy
08:50 PM roycroft: yes, i'm beginning to dawn on me that that's the real problem
08:50 PM Tom_L: after all they weren't made to keep liquid from leaking out
08:50 PM roycroft: i think 3/8"od x 27tpi is what it is supposed to be
08:56 PM _unreal_: make it cut faster....
08:56 PM _unreal_: soooo slow
08:57 PM roycroft: they were originally made to keep explosive gases in
08:58 PM roycroft: but apparently they were usually brazed, not threaded, when they were gas conduits
08:59 PM CloudEvil: roycroft: you said you wanted all thread. They put on it all the threads.
08:59 PM CloudEvil: Not just one.That's service.
09:01 PM CaptHindsight[m]: How much do you want threaded sir?
09:01 PM _unreal_: solarwind, where ya at?
09:01 PM CaptHindsight[m]: All of them.
09:01 PM _unreal_: all of them ;)
09:02 PM roycroft: i just confirmed that the parts that fit are 27tpi
09:02 PM roycroft: so that's sorted
09:03 PM roycroft: i also just thought that i should make sure the lamp cord fits inside the tubing
09:03 PM roycroft: i'm using lamp cord that has a braided cloth cover
09:03 PM roycroft: and it will just barely fit, but it fits
09:03 PM CaptHindsight[m]: Thought the spindle bearings on the Clausing were going. Ends up the guard over the belt drive was just on too tight and was rubbing on the pulleys.
09:04 PM roycroft: solarwind is in gta
09:05 PM CloudEvil: CaptHindsight[m]: :)
09:05 PM CaptHindsight[m]: Grand Theft Auto?
09:06 PM _unreal_: man my dust collection jar is half full
09:06 PM _unreal_: going to have to empty it soon
09:06 PM _unreal_: thats going to be one dusty mess
09:07 PM CaptHindsight[m]: roycroft: so far so good at Interserver
09:08 PM CaptHindsight[m]: professional timely responses from support staff
09:08 PM Tom_L: _unreal_, no... it's half empty :)
09:08 PM _unreal_: very well could be
09:08 PM roycroft: greater toronto area
09:08 PM roycroft: i've been happy with them, capthindsight
09:09 PM CaptHindsight[m]: I was lazy and had them transfer some websites
09:09 PM CaptHindsight[m]: just some minor login hiccups and done within 2 hours
09:10 PM CaptHindsight[m]: maybe 4GB of data
09:11 PM solarwind: _unreal_ I'm back and forth between Toronto and a rural area a bit north of Toronto
09:11 PM _unreal_: I simply went to the beach today end of the day :)
09:12 PM _unreal_: nothing like bath water
09:19 PM solarwind: _unreal_ I just realized you meant where I was tonight, sorry, still didn't get chance to get to my EE computer
09:19 PM CaptHindsight[m]: how far out of Toronto do you have to go to hit potholes with some street around it?
09:19 PM _unreal_: CaptHindsight[m], thats someting I dont miss about maine
09:19 PM solarwind: CaptHindsight[m] I think you mean how far _into_ Toronto
09:19 PM CaptHindsight[m]: https://lakesuperiornews.com/Portals/0/EasyGalleryImages/1/1116/Funding_roads_Ontario.jpg the after is on the left :)
09:19 PM solarwind: The roads less travelled are very nice here. Also rated for a nominal "7 tons per axle" everywhere
09:19 PM CaptHindsight[m]: just like here in Illinois
09:21 PM CaptHindsight[m]: if you're under by 0.002" you have to grind off 0.006-0.007"
09:22 PM solarwind: 7 thou is HSS turning levels
09:22 PM CaptHindsight[m]: I could not find one video of a "pro" engine rebuild where they checked for out of round
09:22 PM solarwind: I wouldn't even mount a toolpost grinder until I start hitting 30┬Ám ranges
09:23 PM roycroft: i was told a long time ago by a mechanic that it's hard to overbore a cylinder by just a couple thousandths, and that's why oversize pistons/rings are usually made in increments of 0.010"
09:23 PM CaptHindsight[m]: maybe with their simple cylinder bore machines
09:23 PM roycroft: if the cylinder were perfectly round, but a bit worn, it would not be a big deal to overbore by a couple thousandts
09:23 PM roycroft: but they mostly wear into ovals, not bigger circles
09:24 PM roycroft: and you want to take a full cut when you rebore
09:24 PM solarwind: Unless you have a BMW opposed twin, then they wear into asymmetric ovals ;)
09:24 PM CaptHindsight[m]: depends on what went wrong, spun bearings make a mess
09:25 PM roycroft: i don't know for sure that that is the reason, but that's what i was told
09:25 PM roycroft: and increments of 0.010" are pretty commont
09:25 PM roycroft: it's at least a plausible explanation
09:25 PM solarwind: And yes they do wear into ovals
09:25 PM CaptHindsight[m]: used rubbing compound earlier to polish crank journals
09:26 PM roycroft: but don't worry about it
09:26 PM solarwind: In the same plane as the piston rod's movement
09:26 PM roycroft: a bigger bore means more horsepower
09:26 PM CaptHindsight[m]: works on paint as well
09:26 PM roycroft: if you tune the engine properly
09:26 PM solarwind: Which is hard to do with locked down modern ECUs
09:27 PM solarwind: Unless yuu have the right programmer, sometimes highly manufacturer specific
09:27 PM CaptHindsight[m]: see rusefi
09:27 PM CaptHindsight[m]: 2 engines, one for the testing date, and the other for daily driver
09:29 PM solarwind: I'm in the process of converting an old snowblower engine to a supercharged, EFI system with a custom built engine controller
09:30 PM solarwind: it has cast iron lined cylinders, so it should be able to handle a mild boost
09:30 PM solarwind: I'm going to make it as electronic as possible with optical encoders everywhere
09:31 PM CloudEvil: :)
09:31 PM CaptHindsight[m]: https://rusefi.com/ what I use
09:31 PM solarwind: If I can get rid of the camshaft and use solenoids to actuate the valves, even better
09:31 PM CloudEvil: actuated valves are quite hard and expensive
09:31 PM solarwind: yes that's one of the hardest parts
09:32 PM * roycroft could use a fireplace bellows as a snowblower
09:32 PM CloudEvil: They are of very limited benefit beyond variable timing and amplide which is rather easier
09:32 PM solarwind: CaptHindsight[m] thanks I'll check out rusefi
09:34 PM CaptHindsight[m]: https://www.popularmechanics.com/cars/a8174/liquidpistons-hyper-efficient-engine-turning-the-rotary-inside-out-13817971/
09:35 PM CloudEvil: I'm pretty sure '20% of a typical engine' today is a lie
09:35 PM CaptHindsight[m]: https://www.liquidpiston.com/
09:36 PM CaptHindsight[m]: why not just go electric on the snow blower?
09:36 PM CaptHindsight[m]: 50k rpm spindle
09:40 PM CloudEvil: https://www.ebay.ca/itm/393467902504?oid=403031886223 Or jus get five of these and skip the motor
10:33 PM _unreal_: that it my power suppply build is now done for the scissor lift
10:33 PM _unreal_: all I have to do tomorrow is set it up plug things in add more blade connectors and I'm off and running
10:35 PM _unreal_: I am VERY tempted to build this https://www.thingiverse.com/thing:418777
10:35 PM solarwind: Favourite fountain pen y'all?
10:36 PM solarwind: Lamy 2000 and Pilot vanishing point for me. Gold/platinum extra fine nibs on HP premium paper which doesn't feather is a dream
10:36 PM Tom_L: one that works
10:37 PM solarwind: Well the point of a fountain pen these days is to enjoy writing. If all you want is a working writing instrument, there are far more cheaper (and reliable) alternatives
10:38 PM solarwind: A cheap BIC gel pen is super smooth, doesn't smear or feather, works well on any paper, doesn't bleed, and costs a few dollars for a pack of 12
10:38 PM roycroft: i still like my parker 75 the best
10:38 PM roycroft: i've had it for close to 40 years now
10:39 PM roycroft: it's a classic design, is made of sterling silver which gives it the perfect weight, and the nib is smooth and easy to maintain
10:39 PM solarwind: Yes! I have one of those as well
10:39 PM roycroft: there are fancier and more expensive pens, but to me the parker 75 is the perfect writing instrument
10:39 PM XXCoder: me, just cheap bic pen. good enough
10:40 PM * roycroft notes again that he's had his parker 75 for close to 40 years
10:40 PM * roycroft wonders how much a person invests in "cheap bic pens" over the course of four decades
10:40 PM XXCoder: my oldest pen is set of superheros pens, 3 in package
10:40 PM XXCoder: 1970s
10:41 PM roycroft: and there are zero of my parker 75s in a landfill over all those years
10:41 PM XXCoder: roy, I used 3 bic pens across 5 years of heavy usage
10:41 PM solarwind: Indeed, one tends to take care of quality tools in general
10:41 PM XXCoder: 2 of em due to losing it somewhere
10:42 PM XXCoder: one of lost pen, i couldnt see ink left, but it was still working. wanted to run it out dammit lol
10:42 PM roycroft: i don't use cartridges, of course - i have a bladder in mine
10:42 PM roycroft: i'm currently using noodler's waterproof ink, in a dark grey color
10:43 PM XXCoder: roy if you use that pen you might be interested in new ink
10:43 PM XXCoder: dries very dark and waterproof
10:43 PM XXCoder: https://www.culturehustleusa.com/products/blink-black-ink
10:43 PM roycroft: the ink i use is a dark grey, and it dries waterproof
10:44 PM XXCoder: cool :)
10:44 PM solarwind: I use Noodler's X-Feather because of how black it is. I haven't noticed it resist feathering any more than other inks, but it's definitely darker
10:45 PM XXCoder: suggest watch video, its interesting. if i used such type of pens id order it myself
10:45 PM XXCoder: but i use cheap pens lol
10:45 PM solarwind: The paper makes all the difference at the end of the day. HP premium laserjet is good quality stuff. The only thing better I'm aware of is Rhodia, but it's much more expensive
10:46 PM roycroft: https://noodlersink.com/product/19042-lexington-gray/
10:46 PM roycroft: that's what i'm using
10:47 PM roycroft: the noodler's ink is reactive with the cellulose in the paper
10:47 PM solarwind: I also like it because it reduces clogging the metal tips of my rOtring Isograph technical pens
10:47 PM roycroft: i find a dark grey easier on the eyes that jet black
10:47 PM solarwind: roycroft oh wow I didn't know that. What effect does the reaction have?
10:48 PM roycroft: it makes it what they call "archiva"
10:48 PM roycroft: archival
10:48 PM roycroft: it is truly waterproof and solvent proof
10:48 PM solarwind: oh nice
10:48 PM roycroft: once it reacts with the cellulose it's indelible until you burn or compost the paper
10:56 PM XXCoder: interesting
10:56 PM roycroft: i've been using noodler's inks since the guy who makes them was making small batches in his garage
10:56 PM roycroft: https://noodlersink.com/about-us/noodlers-durable-ink-classification/
10:56 PM roycroft: see the "bulletproof" section
10:57 PM roycroft: i think noodler's has the largest selection of colored inks of anyone these days
10:57 PM roycroft: a far cry from the early days when there were 3 or 4 colors
10:58 PM roycroft: i have an old waterman pen that's kind of fat for my taste
10:59 PM roycroft: i had the nib modified to a wide chisel tip, and i fill it with noodler's flourescent yellow ink
10:59 PM roycroft: it's an awesome highlighter
10:59 PM solarwind: Didn't know they had that either, looks like it's time to take a trip to the local fountain pen shop
11:00 PM solarwind: Does it smear the underlying black ink?
11:00 PM roycroft: https://noodlersink.com/product-tag/fluorescent/
11:00 PM roycroft: not if you use bulletproof ink :)
11:00 PM roycroft: and let it dry before you highlight it
11:00 PM solarwind: I guess I'll get some of that too
11:02 PM roycroft: if you have dipping pens for doing artwork you surely have some chisel tip ones already
11:02 PM solarwind: Yes, a full set
11:12 PM roycroft: oh nice
11:12 PM roycroft: https://noodlersink.com/product/19806-year-of-the-pig-hl-4-5-oz/
11:12 PM roycroft: a bulletproof highlighter ink
11:13 PM XXCoder: lol