#linuxcnc | Logs for 2018-11-12

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[01:15:16] <Crom> Been 2 months since I was able to do anything on my X2 CNC conversion. Still working on my RF-30 conversion, need the X2 to cut some parts.
[01:15:48] <Crom> RF-30 Harbor Freight 33686 I think is the model.
[01:17:24] <Crom> Bought the head alignment kit from Bruce Whickham in .AU, very nice. Still working on getting a NEMA34 maybe NEMA42 closed loop for head height.
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[01:18:07] <XXCoder> closed loop would allow you to do rigid taps I think
[01:18:32] <Crom> I still need to put an encoder on the spindle as well
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[01:20:28] <XXCoder> cool
[01:20:49] <XXCoder> tony made a interesting 4th axis for his cnc router
[01:20:56] <Crom> I have the 5HP VFD and a 3HP 3phase motor for the spindle. Just need to wire the 240v as well, also need to wire a 3phase outlet on the front of the benches as well
[01:20:56] <XXCoder> unfortunately bit of backlash
[01:21:09] <XXCoder> https://youtu.be
[01:21:56] <Crom> I took 4" rotary table from fleabay and added a NEMA23 closed loop stepper to it
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[01:26:06] <XXCoder> making it a C axis?
[01:26:35] <CaptHindsight> https://imgur.com getting down to ~0.15mm lines, should be up to 1m/sec for lines
[01:27:58] <XXCoder> painting lines eh. looks decent
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[01:29:10] <CaptHindsight> will be doing full color fills in CMYK with 5-axis
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[01:31:28] <XXCoder> nice
[01:31:40] <XXCoder> is it mixing sprayer or do you do one color a time?
[01:32:16] <CaptHindsight> I have to build a brush that mixes at the tip
[01:32:30] <CaptHindsight> nobody sells one
[01:33:21] <CaptHindsight> but with off the shelf you can spray CMYK and/or spot colors
[01:33:49] <CaptHindsight> just have to flush between colors
[01:34:18] <CaptHindsight> ^^ modified $20 HF airbrush
[01:34:21] <XXCoder> could just have "home" area where it can spray into paper or something
[01:34:40] <Crom> https://www.youtube.com is me building a piece for it.. Thought I had a video of it working...
[01:37:27] <XXCoder> sigh your video is nearly unwatchable to me, too much movements. but paused and checked it out. looks cool
[01:42:55] <CaptHindsight> the airbrush will also self calibrate
[01:54:26] <Crom> Yeah, I need to make a boom and a better clamp for my phone...
[01:54:57] <XXCoder> that precision guy made huge one that was excessively precise wanna watch the video?
[01:55:17] <Crom> My tripod legs have troubles locking... I need a new tripod
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[01:57:20] <XXCoder> https://www.youtube.com found it
[01:57:46] <XXCoder> basically he saw some other guy in youtube complain about weak indictor arm used as camera hold
[01:57:52] <XXCoder> so he made this wayyyy overkill one
[01:58:07] <XXCoder> in preview picture you can see how large it is.
[01:58:22] <XXCoder> looks rigid enough to be actually used as indictor arm.
[02:00:45] <XXCoder> as he is robrenz he ground balls for it also. high precision balls
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[02:35:02] <Crom> heh... I actually have a Boom rig for a $1500 tripod, I don't have the tripod though...
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[02:35:32] <XXCoder> you should watch it tho, the ball grinding is very interesting
[02:35:54] <XXCoder> he uses lathe with special tool, uses grinding gel and later sandpaper to ensure roundness
[02:36:16] <XXCoder> very unfortunate for me that its not even autocaptioned.
[02:36:36] <XXCoder> grinding starts at approx 21 minutes
[02:37:12] <Crom> I would never be grinding my own balls, unless I was making a set of Screwy balls, but I'd just buy them from Chuck
[02:37:46] <Crom> Since I also don't have a surface grinder.
[02:37:58] <XXCoder> he dont use suirface grinder
[02:38:06] <XXCoder> he uses a lathe lol
[02:38:41] <Crom> Just trying to get my X2 all working pretty and the 33686 (RF-30) as well
[02:45:48] <miss0r> mornin'
[02:45:55] <XXCoder> hey
[02:46:17] <miss0r> So; whats new? :)
[02:46:23] <XXCoder> you
[02:46:39] <CaptHindsight> hah Milling Machine Restoration, Overhaul and Base Build
[02:46:42] <miss0r> lets call me new old news :)
[02:46:50] <XXCoder> lol
[02:46:55] <CaptHindsight> not a second was spent on squaring anything
[02:47:03] <CaptHindsight> https://www.youtube.com
[02:47:33] <miss0r> looking at the desgin; I don't think squaring would help anyway ;)
[02:47:40] <XXCoder> I really need to square mine, I was still doing electrics tests and test milling when I moved and lost room to do anything with it.
[02:48:14] <CaptHindsight> wut, but itsah round post drill press!
[02:49:20] <XXCoder> next 2 videos is not about it
[02:49:31] <XXCoder> so I guess he either squared it off screen or it still arent
[02:49:32] <CaptHindsight> miss0r: nuttin much just been squirtin ink with CNC
[02:49:50] <XXCoder> miss0r: yep he turned his mill into inkjet
[02:49:52] <miss0r> huhmm.. What was the idea about that wooden plug they hammered into the bottom of the column? they didn't even fill it with epoxy afterwards.
[02:50:06] <miss0r> :-o
[02:51:33] <miss0r> friday I made a cool temporary repair on a pretty sizeable 5-axis mill
[02:52:25] <XXCoder> used nails to fix one of ballscrews? ;0
[02:53:07] <miss0r> It has three stages when it comes to the tool status of the main spindle: Clamped with tool, clamped without tool & unclamped. The way it determines this status, is by measuring the oilflow from the cylinder doing the releasing. so, all three stages are determined from pulses from a oil flow meter.
[02:53:52] <miss0r> after the refurb of the head, the values had changed minutely, which made it unable to differ between clamped with tool & clamped without tool
[02:54:40] <miss0r> this is controlled by a PLC seprate to the heidenhein controller. It has a 4bit digital bus, it uses to talk to the main controller with.
[02:55:18] <XXCoder> wow
[02:55:30] <miss0r> so; as I didn't have either software or the proprietary cable needed for the PLC doing so, I had to do some 'creative problem solving' :)
[02:56:06] <miss0r> So, I added a PLC(temporarily, mind you) inbetween the oil flow meter & the digital input on the PLC.
[02:57:13] <miss0r> I know the amount of pulses it actualy sends from either state, so I made the PLC relay the pulses and add more pulses or remove pulses if needed, to fall within the original tolerances. :) Worked like a charm
[02:57:53] <miss0r> Now I am just waiting for the proprietary cable & software to be delievered here, so I can go back and update the tolerances in the existing PLC. :)
[02:58:03] <XXCoder> nice. gonna keep machine running!
[02:58:17] <XXCoder> some places machine stopped one day would cost thousand bucks or more
[02:58:49] <miss0r> I had to figure out something to make it work on the spot; the machine had been down for repair for two weeks, and they had a 3 shifts 24hour/day plan for the entire weekend, as they were pretty far behind :)
[02:59:48] <miss0r> But it is a realy nice machine :D I think the table is 6meters long in X direction + a 1750mm roundtable on the end. Probally 2meters of y travel and 4 meters of z travel
[02:59:54] <CaptHindsight> https://imgur.com
[03:00:01] <miss0r> The head can rotate on two axis ect.. crazy machine :D
[03:00:24] <miss0r> :D I love stuff like that CaptHindsight
[03:01:25] * miss0r needs to do some mill tramming now. Something is slightly off
[03:01:30] <XXCoder> dang! thats insane
[03:02:05] <XXCoder> https://i.imgur.com indeed
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[03:03:02] <miss0r> When you are doing a 80mm wide cut on aluminium, it doesn't take alot for it to show on the surface, if you are even slightly out of tram
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[03:06:10] <Deejay> moin
[03:06:50] <miss0r> 'ello
[03:07:23] <XXCoder> miss0r: yeah if its slightly off tram, you can feel where facemill overlaps are
[03:08:15] <miss0r> Indeed. What is happending right now.
[03:08:33] <XXCoder> im just browsing internet
[03:08:49] <miss0r> And it takes a little too much work with scotch brite to remove the tool marks
[03:08:52] <miss0r> That will not fly
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[03:26:07] <miss0r> hmm... I am only have ~0.007mm out of tram over 380mm X... Then Y must be what is wrong
[03:26:46] <XXCoder> 7 thou off mm off? that is pretty good
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[03:28:14] <miss0r> Y axis is bad
[03:28:24] <miss0r> 0.06mm over 300mm
[03:28:47] <XXCoder> comparately huge
[03:28:54] <miss0r> and this sucks more... because I don't have a "nod" ajustment in the head. This means I have to shim the table...
[03:29:21] <miss0r> fak!
[03:29:41] <miss0r> not realy a huge numer, no. But plenty big to leave marks
[03:29:50] <miss0r> number*
[03:31:12] <miss0r> if you haven't already seen This old tonys last video: https://www.youtube.com
[03:31:34] <XXCoder> ya saw
[03:31:48] <XXCoder> pretty cool but it has problem with backlash
[03:32:21] <miss0r> No spoilers :) I just clicked it :D
[03:33:06] <XXCoder> no problem
[03:38:36] <miss0r> his ninja chops always cracks me up :)
[03:38:47] <XXCoder> indeed
[03:41:17] <miss0r> Welding on those parts AFTER doing the bearing fits almost gives me a heartburn
[03:46:11] <CaptHindsight> when we were kids if we had done that it would have been a beating and no machining for a week
[03:47:03] <miss0r> heheh yeah
[03:47:08] <XXCoder> lol
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[03:52:38] <XXCoder> crazy. https://www.youtube.com
[03:52:48] <XXCoder> expecially with lathe with bar of metal
[03:58:08] <miss0r> this old tony needs a brake on that spindle if he wants to use it as an indexing head
[03:59:06] <XXCoder> spindle or the 4th axis?
[03:59:09] <miss0r> okay.. that was 27 minuts of procrastination... Back to the tramming :)
[03:59:13] <XXCoder> it can be spindle too but yeah
[03:59:14] <miss0r> the 4th axis/spindle
[03:59:24] <XXCoder> ya did you see the backlash on it?
[03:59:27] <miss0r> yeah
[03:59:32] <miss0r> That will not fly for milling
[03:59:36] <XXCoder> how would it be removed I wonder
[03:59:42] <miss0r> a brake
[03:59:55] <XXCoder> oh locks in place so cant move
[04:00:00] <XXCoder> makes sense
[04:00:15] <miss0r> most 4th axis spindles/workpiece holders have a brake in'em
[04:00:22] <miss0r> atleast the industrial ones
[04:00:48] <miss0r> alright, enough skipping work. My boss will freak out any moment, I need to get back to it
[04:01:51] <XXCoder> lol later
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[04:50:23] <rmu> pcw_home: i noticed the 7i90 firmware(s) don't contain the dpll module, are the FPGAs too small?
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[05:23:30] <miss0r> alright. Got the tram within 0.01 on the y-axis as well. I hope this will do the trick :)
[05:23:48] <XXCoder> thats closer than before but couldnt get closer?
[05:25:42] <miss0r> Not with my combination of shimstock anyway
[05:26:18] <miss0r> its less than 0.01.. but the dial indicator I used on this axis for comfort is only a 0.01 dial, so, saying 0.007-8 ish, would just be a guess
[05:26:41] <miss0r> but a little less than 0.01 anyway
[05:28:21] <miss0r> but hey.. Its a 1985 cnc - *some* inacuracy is to be expected :)
[05:28:38] <XXCoder> yeah
[05:29:49] <miss0r> I just hope it is 'good enough' so i can remove the tool marks without too much work, that is the goal anyway
[05:34:07] <XXCoder> indeed
[05:34:39] <XXCoder> its worth couple hours of adjustment to take 2 or 3 minutes off blending
[05:34:50] <XXCoder> because you make far more parts than adjusting
[05:35:56] <miss0r> Indeed
[05:43:10] <miss0r> alright; vise is not squared up beyound reason. Time to do the test cuts
[05:56:01] <jthornton> morning
[05:57:32] <XXCoder> hey jthornton
[06:03:29] <jthornton> dang another dip in the temperatures here
[06:03:45] <jthornton> did you ever make any sense out of vismach?
[06:04:20] <XXCoder> not really its bit harder for me to analyze stuff when under weather
[06:04:30] <XXCoder> I certainlyu dont look forward to work tomorrow lol
[06:04:55] <jthornton> work starts on Monday night?
[06:05:02] <XXCoder> yeah
[06:06:06] <jthornton> I hate being sick too, been a long time since I was sick knock on wood
[06:06:39] <XXCoder> im suck each other week it seems
[06:07:00] <XXCoder> my body have easy time fighting dieases but it doesnt do well on protecting from being sick in first place lol
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[06:10:16] <miss0r> XXCoder: Damnit. It didn't completely fix it
[06:10:36] <XXCoder> drat
[06:10:43] <XXCoder> some more tramming?
[06:10:44] <miss0r> Measuring, I get a difference of 0.006-7mm over the overlap
[06:11:02] <miss0r> I'm beginning to suspect the ram is sagging
[06:11:11] <XXCoder> is that measurable?
[06:11:30] <miss0r> Yeah, but it is something that takes alot of setup time
[06:11:38] <XXCoder> I might have idea, if you use indictor arm you touch side of spindle with it, have it cut something see if it twists
[06:11:44] <XXCoder> but vobration would kill it
[06:12:12] <miss0r> hmm. Interresting; I'm not sure cutting forces are at work here.
[06:12:25] <miss0r> that would be a whole new can of worms
[06:12:31] <XXCoder> yeah
[06:12:58] <XXCoder> any way to test it in stressed mode?
[06:13:01] <miss0r> i.e. the surface is unchanged from a 2mm doc to a 0.125mm doc
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[06:13:21] <miss0r> Theres always the monkey test
[06:13:22] <XXCoder> finish a surface, blue it, see how much spring cut it does
[06:13:42] <XXCoder> since spring cut is MUCH less stress
[06:13:45] <miss0r> not a half bad idea
[06:14:08] <miss0r> blueing it up.
[06:18:13] <miss0r> pattern is clear now
[06:18:24] <XXCoder> yeah? whats happening with it?
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[06:19:14] <miss0r> I had to lower Z by 0.001mm
[06:19:47] <XXCoder> in order to touch blue?
[06:20:25] <miss0r> https://imgur.com
[06:20:38] <miss0r> It was scimming the blue too lightly, for me to see it :)
[06:20:51] <miss0r> then I lowered it 0.001mm and took a full width pass
[06:21:11] <miss0r> out of tram.
[06:21:23] <miss0r> I just need to figure out where the hell this is all comming from
[06:21:35] <XXCoder> is tram changed since last test?
[06:21:52] <XXCoder> might be something loose if its changing
[06:22:12] <miss0r> Yeah. I will do some other measurements before tramming again :D
[06:22:23] <miss0r> I have to completely remove setup & clean everything. That takes a while
[06:22:29] <miss0r> I want to exhaust other options first
[06:22:30] <XXCoder> lot of fun oh well
[06:22:32] <XXCoder> indeed
[06:22:41] <miss0r> not *that* fun :)
[06:22:55] <XXCoder> heh my 'fun' part was sarastic
[06:22:57] <miss0r> the mill you saw was a mess there. It was *CLEAN* two surface passes ago :D
[06:23:15] <miss0r> I know I know
[06:23:41] <XXCoder> :)
[06:24:16] <miss0r> This part is due soon. I think I will just scrub it with the facemill, and do a surface path with a 10mm carbide endmill for this part. Then I will figure out what is wrong afterwards
[06:24:53] <miss0r> shouldn't be more than a few 1/1000mm difference with a 10mm endmill
[06:25:03] <miss0r> if that atall
[06:26:33] <XXCoder> cool. clients furst always
[06:27:55] <miss0r> even though it is annoying the hell out of me :D That is just the way it is
[06:28:25] <XXCoder> yeah
[06:28:28] <Tom_L> 29�F, Hi 30, Lo 17
[06:30:18] <XXCoder> 49f 39f here
[06:30:31] <Tom_L> jthornton, looks like you could get some of this
[06:30:45] <XXCoder> votex missing me lol yay but same time aww no snow
[06:31:05] <XXCoder> it warms to low 50s with sometimes rain here whole week
[06:31:13] <jthornton> yea the temps will fall today here down to 28°F tonight
[06:31:29] <Tom_L> just enough to have to scrape the windows here
[06:31:36] <Tom_L> maybe 2"
[06:32:29] <XXCoder> snow hates this region
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[06:48:48] <miss0r> acording to this string with a knot at each end marking the length, this part is to spec
[06:49:19] <XXCoder> lol
[06:51:35] <miss0r> Precision QC is no laughing matter! :D
[07:00:37] <XXCoder> most imprecise thing I used to do qc was tape measure
[07:01:11] <XXCoder> I used it since part were 3 feet long and I wanted to see if it was within reasonable size before irreverable removing ut
[07:01:17] <XXCoder> it was good
[07:02:31] <miss0r> :]
[07:03:02] <miss0r> if I have to measure above 300mm, I am forced to use a caliber. If larger than 500, I am also down to tape measurements :D
[07:03:33] <miss0r> but; as my mill X travel is only 530, which hardly allows me to make anything larger than 500 mm - I'm good :)
[07:04:27] <miss0r> I wouldn't mind owning a REALY large cnc mill. A high precision one. That thing would most likely take in some realy cool orders
[07:05:20] <pcw_home> rmu: the 7I90 has room for a DPLL in most configs, I mainly have used DPLL in ethernet configs since Ethernet tends to have higher transfer jitter
[07:06:02] <XXCoder> miss0r: large as in what workspace volume?
[07:06:15] <miss0r> XXCoder: Right now I am cursing myself for not having had the time to complete the linuxcnc retrofit. Transfer rate with this serial connection is killing me :D
[07:06:38] <pcw_home> But the RPI SPI interface also has pretty bad jitter so I should probably add the DPLL to the SPI configs
[07:06:41] <miss0r> hmm.. 8-10meters of X travel, 6-8meters of Y travel.. and perhaps 2meters of Z travel
[07:07:21] <miss0r> brb, I have to go break some endmills on this part
[07:07:41] <XXCoder> lol that IS large
[07:12:21] <miss0r> I've done repairs on a few of'em. They realy speak to me :D
[07:12:40] <XXCoder> its so tough to fit such a large machine
[07:14:11] <miss0r> then comes the tool changer, the control cabinets.. the external hydraulics and lubrication system ect. It takes up a small warehouse
[07:15:22] <miss0r> the word ludacris comes to mind
[07:15:47] <XXCoder> then,.. whole cell
[07:16:04] <gregcnc> not something you just buy at auction without asking the wife first
[07:16:06] <XXCoder> 2 horzional mills, 2 part workstation, computer center, and pallet system
[07:16:25] <miss0r> yeah
[07:16:51] <miss0r> gregcnc: I hardly dare folding the toilet paper double without asking her, so no
[07:16:53] <MarcelineVQ> mill yourself a house
[07:17:16] <miss0r> I've always wanted a solid stainless steel house. All square corners, no bullshit :D
[07:18:15] <miss0r> do damage when the foundation starts slipping in one end. The house will go as a whole! no cracks ect. :D
[07:18:37] * miss0r starts dreaming with a 1000yard stare
[07:18:42] <MarcelineVQ> yeah just let it tilt whent he foundation goes
[07:19:09] <MarcelineVQ> pour a new epoxy floor on the inside and let it self-level
[07:19:41] <miss0r> good plan. This needs to be considered when building it from the start. higher roof levels, to allow for future alignments :D
[07:20:09] <gregcnc> incase you weren't redneck enough https://www.walmart.com
[07:20:11] <MarcelineVQ> yes, I'll draw up the business papers
[07:20:12] <miss0r> hanging a picture? forget about the drillhammer. break out the drill & tap set
[07:20:40] <MarcelineVQ> miss0r you silly goose, you can just put magnet strips on the frame
[07:20:58] <miss0r> MarcelineVQ: I was realy planning to use 316...
[07:21:04] <MarcelineVQ> you're not using non-magnetic stainless are you? were not made of money
[07:21:25] <MarcelineVQ> wait, I have a plan
[07:21:53] <MarcelineVQ> copper-wire siding
[07:21:59] <MarcelineVQ> magnetic house
[07:22:02] <miss0r> gregcnc: I could probally get arrested for having something that even looks like shells :D (this is Denmark)
[07:22:45] <miss0r> hehe; need popcorn? no problem! Just place lidded bowl on living room floor, and crank up the magnetic field momentarily, problem solved !
[07:22:51] <gregcnc> here we fire two shots in the air when we hear a noise outside
[07:23:23] <miss0r> I envy that
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[07:24:09] <miss0r> I hardly fired a gun since I was in the army.
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[07:28:59] <miss0r> I did some competition pistol shooting a few years back, which was fun. but I just didn't find it fun enough to fit it into my calendar.
[07:30:49] <gregcnc> I have a busy week ahead. several one of lathe parts, one with a broached slot i'm hoping someone comes through with a reasonable quote for so I don't have to make it.
[07:31:38] <miss0r> :D I'll do it.
[07:31:50] <miss0r> But with the shipping, you are most likely far worse off ;)
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[07:34:50] <jthornton> I need to get the wind blocking done for the run
[07:37:16] <jthornton> got one done yesterday and installed... came out pretty good a 1 1/2" x 3/4" frame pocket screwed together with some 8 mill plastic stapled on it
[07:43:37] <miss0r> Picture or it didn't happen ;)
[07:45:48] <jthornton> I'll get some after I get the louver vent installed in the new coop
[07:46:35] <miss0r> :]
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[07:48:42] <jthornton> http://gnipsel.com
[07:49:20] <miss0r> Looking good. Nice work
[07:49:45] <XXCoder> indeed
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[07:51:07] <jthornton> hmm I thought I had a photo of the finished product but can't find it... painted barn red with metal screen on the inside covered with 1/2" x 1/2" welded wire hardware cloth just to keep sneaky weasels out
[07:52:22] <miss0r> nice
[08:07:52] <miss0r> I realy realy need a new coolant pump. This one does not deliever enough pressure for me to clear chips properly
[08:08:02] <miss0r> a more better one
[08:08:08] <XXCoder> betterer'
[08:09:04] <miss0r> Thats the one :D
[08:09:10] <miss0r> I have waay too little flow
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[08:14:53] <jthornton> I pissed around with 3 coolant pumps until I found a good one and learned a lot about pumps in the process lol
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[08:38:33] <XXCoder> bah! wish linuxcnc post changelog
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[08:42:11] <miss0r> I just cut myself on a damn alu insert...
[08:42:17] <miss0r> Those things are razor sharp :)
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[08:49:14] <gregcnc> Yeah that's no fun..
[08:49:15] <miss0r> There, outer dimensions for part 1/4 is done now. This is alot more work than I thought. :) Again I think my boss is going to make me work late
[08:50:17] <gregcnc> then again, if you work late, the boss might have a bottle of whiskey waiting
[08:50:32] <miss0r> nah - he is cheap
[08:51:55] <miss0r> So, that'll never happen :)
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[08:52:10] <miss0r> gregcnc: incase this is going over your hear; i'm selfemployed
[08:52:14] <XXCoder> salary or hourly
[08:52:18] <miss0r> hear=head*
[08:52:22] <XXCoder> doh forgot
[08:52:27] <gregcnc> I know it, that's why I expected the finest whiskey
[08:52:33] <miss0r> lol
[08:52:39] <miss0r> I do enjoy a good whiskey.. :)
[08:53:28] <miss0r> But most days, when I've put the kid to bed & i'm done doing what needs to be done in the house, I mostly just go to bed.. if I don't have more work to do
[08:54:00] <miss0r> but when this is done, sure. I will have a glass of whiskey :D
[08:54:26] <gregcnc> see your boss isn't that bad
[08:54:38] <miss0r> hehe
[08:54:54] <miss0r> He will give me the whiskey, but he will not like it, nor look happy while doing it :P
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[08:56:34] <miss0r> Speaking of kids. I need to get going. See you around
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[08:56:55] <XXCoder> later
[08:57:01] <gregcnc> i already fed mine and took them to school
[08:57:57] <weenerdog> i sold mine to the circus
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[09:17:59] <skunkworks> huh - just had to fsck my ssd...
[09:19:29] <skunkworks> went to send an email and I had lost write access to the drive. rebooted into initramfs
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[09:19:54] <skunkworks> cradek: morning!
[09:19:55] <cradek> skunkworks: make sure SMART is turned on and being checked
[09:20:02] <cradek> hi!
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[09:26:56] <skunkworks> sure - first time I have had issues witha ssd - -
[09:28:14] <sync> ssd failure is usually sudden and fatal :/
[09:30:46] <SpeedEvil> Just one bit changes SSD to SAD.
[09:31:05] <SpeedEvil> (I have not looked up the ASCII table, and suspect that is strictly incorrect)
[09:31:10] <cradek> yeah I've had several just suddenly brick
[09:31:21] <cradek> the bios doesn't even see them afterward
[09:31:49] <cradek> but it's been several years since I had that routinely happening
[09:32:02] <MarcelineVQ> if you're luck you get SMART warnings from the bios ahead of time
[09:32:32] <MarcelineVQ> I wouldn't buy anything but samsung ssd's these days, as far as longevity goes
[09:32:47] <MarcelineVQ> evo or pro or one of those lines
[09:33:39] <SpeedEvil> Back the fuck up.
[09:33:46] <SpeedEvil> If you care about data.
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[09:44:30] <skunkworks> that is what this is - samsung evo
[09:44:32] <skunkworks> 1tb
[09:44:45] <skunkworks> what smart tools do you use?
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[09:45:50] <cradek> linux has smartmontools, in debian I've had to turn on start_smartd=yes in /etc/default/smartmontools
[09:46:02] <cradek> it checks things periodically and sends an email if something is wonky
[10:03:43] <FinboySlick> Intel has some pretty high-longevity SSDs in their pro series but they're *very* expensive.
[10:03:53] <FinboySlick> (for write-heavy workloads)
[10:10:22] <weenerdog> i aint had the balls or money to go ssd
[10:10:53] <weenerdog> but the stuff i do doesn't require uber hot performance
[10:12:43] <skunkworks> https://pastebin.com
[10:13:31] <MarcelineVQ> weenerdog: after having an ssd even just rebooting a computer becomes a life-changing experience
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[10:13:59] <FinboySlick> weenerdog: They're probably the most significant upgrade one can do to a computer.
[10:15:09] <weenerdog> heh i have my coffeemaker exactly located so i can go reload in the time it takes to reboot
[10:16:45] <weenerdog> plus i live in the middle of nowhere and pay $50/month for 1 megabit lol. i assure you i am patient.
[10:17:30] <skunkworks> sounds like my parents
[10:17:32] <MarcelineVQ> its your time, but I'm happy with mostly not having to wait for applicatins to open
[10:18:07] <MarcelineVQ> I mean, I love wasting time, but waiting is awful
[10:18:08] <weenerdog> any application i open is gonna be open for hours and hours. i'm just not sure i see the payoff (for me)
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[10:19:18] <weenerdog> so whats the winning toolchain on linux for modeling nurbs surfaces -> gcode?
[10:19:23] <MarcelineVQ> many/most applications access the disk all the time, browsers for instance use plenty of different disk caches, each of those little actions sped up makes a difference
[10:19:47] <weenerdog> yeah prolly
[10:20:02] <skunkworks> ssd's are amazing
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[10:21:12] <skunkworks> http://electronicsam.com
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[10:23:13] <weenerdog> freecad -> foozion?
[10:23:48] <weenerdog> then emc or whatever its called now to turn the cranks?
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[10:55:20] <skunkworks> the ssd seems fine
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[11:02:54] <FinboySlick> Anyone here played with solvespace?
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[11:12:22] <weenerdog> i've not. it looks cool as hell
[11:13:16] <FinboySlick> Doesn't seem so good for complex shapes though.
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[11:14:58] <weenerdog> dunno. what are you trying to make?
[11:16:05] <weenerdog> i've always done my 3d with autocad and rhino when i need to nurbs. parametric is kinda new to me. new same old thing lol
[11:19:15] * fragalot finally got a blast cabinet & one of those 3-in-1 sheet metal shear / bend / roller things
[11:19:29] <fragalot> should have gotten these things much sooner
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[11:19:43] <fragalot> also, I have now *REALLY* run out of space, ol
[11:20:54] <weenerdog> my girlfriend is used to crazy things showing up in the living room and dining room.
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[11:21:23] <FinboySlick> weenerdog: Oh I haven't tried to do anything specific. Was just reading the forums and there's no parametric way to do a spiral, for example.
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[11:23:24] <fragalot> flyback: got muted somewhere? :P
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[11:27:39] <weenerdog> i dunno FinboySlick. maybe its not added yet. looks like a pretty good work in progress
[11:28:54] <weenerdog> maybe they're adding more commonly useful things first. if you're cnc machining your own bolts you're doing some seriously mad scientist shit
[11:29:15] <FinboySlick> weenerdog: Yeah. Side-effect of not just doing a front-end to OpenCASCADE.
[11:30:10] <FinboySlick> weenerdog: Nah. I'm just keen to find an open-source CAD package that isn't dragging the 20 year old OpenCASCADE engine along.
[11:30:30] <rmu> last release of solvespace was in 2016-12
[11:30:46] <weenerdog> hm
[11:31:04] <MarcelineVQ> last edit to its git repo was 2 days ago
[11:32:26] <rmu> if some real development is happening, it is not happening here https://github.com most recent commits are janitorial
[11:32:31] <FinboySlick> There are some very complex problems to fix to have anything complete. Just think of doing fillets on a model's edges. Writing code that does that and works well is pretty tricky.
[11:32:41] <weenerdog> i dont care if my gcode comes from hamsters chiseling my parts while reading ancient sumerian cuneiform if my part looks spiffy :)
[11:33:44] <FinboySlick> weenerdog: I enjoy doing parametric CAD, even if it never gets to an actual part. I just wish I didn't have to encourage the likes of Autodesk to do it.
[11:33:58] <skunkworks> I have been corupted by acad.. parametric cad learning has been slow for me
[11:34:45] <FinboySlick> skunkworks: I started 3d modelling with things like Lightwave so parametric was quite a revelation for me back in the day.
[11:34:49] <weenerdog> it is kinda nice and unexpected for autodick to make fusion 360 free for mad scientists. i'd love to not use it. but its so sweet and syrupy
[11:35:12] <weenerdog> FinboySlick, have you messed with blender or rhino?
[11:36:03] <FinboySlick> Blender is fun, but it's not really for accurate modelling. I love to play with the game engine though. It's been ages since I played with Rhino but it was pretty awesome.
[11:36:34] <mozmck> What is wrong with OpenCASCADE?
[11:37:23] <rmu> hehe. many many many things.
[11:37:37] <weenerdog> rhino is fuckin bangin for some stuff.
[11:38:07] <FinboySlick> It's very powerful, but it's also ancient and very very complex.
[11:38:31] <rmu> opencascade doesn't like close parallel surfaces
[11:39:42] <rmu> and i always seem to encounter new chamfering bugs
[11:40:17] <flyback> fagalot, no where
[11:40:28] <flyback> :P
[11:40:28] <rmu> some operations can leave solids with a hole in the surface
[11:42:23] <mozmck> Is that with FreeCAD?
[11:42:50] <flyback> must bite canucks
[11:42:59] <gloops> you can make precise models in blender without much effort, although that doesnt make it the part makers choice of course
[11:43:55] <weenerdog> it aint the kitchen... its the cook :)
[11:44:40] <rmu> mozmck: yes
[11:45:10] <mozmck> rmu: so do you know if the problem is opencascade - or freecad?
[11:46:38] <rmu> yes, those problems i mentioned are OCC problems
[11:46:40] <skunkworks> yah - that is why I have been searching for my perfect laptop that will do video passthrough so fusion runs fast enough to be usable.
[11:46:51] <skunkworks> you can't beat the cam part of fusion
[11:47:00] <rmu> the only thing freecad could do is detect those problematic situations and refuse to do the operation
[11:47:53] <mozmck> So is there an opensource alternative to opencascade? I suspect the reason it is complex is that 3d cad is complex!
[11:48:53] <sync> skunkworks: you can beat it pretty easily, any cam package that can do constant scallop height beats it
[11:49:17] <skunkworks> sync: free?
[11:50:57] <rmu> fusion is not free
[11:52:11] <gregcnc> they changed the pricing structure last month, but i thought hobbyist is still free
[11:52:20] <weenerdog> it is
[11:53:03] <skunkworks> so far it is.
[11:53:14] <skunkworks> if that changes - who knows./.
[11:53:37] <gregcnc> it will sooner or later
[11:54:07] <gregcnc> i've had a free copy for several years, but I basically don't use it
[11:55:05] <skunkworks> of the two - I have probably drawn more in freecad...
[11:55:28] <skunkworks> but that was to 2d print.. no real toolpath generation
[11:55:37] <gregcnc> I did try recently to get toolpaths for 3d milling on a C axis, but couldn't get the tool to stay on spindle center, ie no y axis
[11:55:39] <skunkworks> *3d print
[11:58:12] <rmu> i would probably use fusion if it was available for linux, but dealing with windows just for fusion is a no-go
[12:00:47] <skunkworks> right. I still need windows for my day job... So - I deal
[12:01:15] <pcw_home> rmu: did you see my note about DPLL on the 7I90?
[12:02:40] <rmu> pcw_home: yes thanks. with SPI there should be no transfer jitter so DPLL doesn't gain much, is that rightß
[12:03:17] <pcw_home> Well, it does have a lot of jitter so probably DPLL would help
[12:04:14] <pcw_home> not sure if its the SPI driver or just RPI but if I monitor the read time it has a couple 100 usec of jitter
[12:04:37] <rmu> read time is duration of the read operation?
[12:05:26] <rmu> no
[12:08:34] <pcw_home> yes basically (halcmd show param *.tmax is useful here)
[12:10:23] <rmu> you mean jitter in duration from one read operation to next
[12:11:29] <rmu> a couple 100 usec would be O(servo period)
[12:17:10] <skunkworks> heh - debian stretch boots on surface pro
[12:17:21] <skunkworks> latenyc is about 300us
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[12:19:19] <gloops> fusion was free 2 months ago when i got it, have had an email from Sandra with a price list though
[12:20:50] <rmu> gloops: it may be free as in "doesn't cost anything at the moment" for some users, but that is not really free.
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[12:22:12] <gloops> pretty obvious that ALL your activity with fusion and sketchup is monitored, i think if you trigger the 'pretty active' alarm, they will take a look at your free status
[12:23:20] <gloops> you are allowed to use it so long as youre earning under 100k per annum, if youre drawing numerous commercial parts a day that might be questioned - but then if that was your status, you wouldnt mind paying
[12:24:27] <rmu> i dont like the subscription model, nothing prevents adesk to increase price 5-fold after locking in enough users
[12:25:32] <MarcelineVQ> That's not particularly worth their time gloops, a couple commercial users more than offset many small players doing what they want. it's in their interest to increase bug testers and word of mouth, that's why there's a free liscence
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[12:34:28] <skunkworks> I hope buy the time fusion becomes unfree - freecad will be up to snuff :)
[12:34:40] <gloops> maybe MarcelineVQ but i think there is a line to be drawn with free use
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[12:36:05] <weenerdog> if you have enough sense to do cnc, you have enough sense to adapt if autodick changes things on us :P
[12:36:44] <gregcnc> lol https://www.shutterstock.com
[12:37:02] <weenerdog> i'm giving freecad a whirl
[12:37:32] <rmu> even is adapting was no problem, losing a library of designs might be
[12:38:12] <mozmck> gregcnc: that should be renamed: "model posing with milling machine"
[12:38:31] <weenerdog> thats an important consideration, rmu
[12:39:04] <gregcnc> there are a bunch like that, when models pretend to be machinists
[12:39:13] <rmu> hehe
[12:39:43] <weenerdog> cnc stuntcock?
[12:40:14] <rmu> "if it smells like chicken, you are holding it [soldering iron] wrong"
[12:40:20] <weenerdog> lol
[12:41:04] <fragalot> related. https://imgur.com
[12:41:26] <gloops> i like freecad but its no good for wood really
[12:41:46] <gregcnc> fragalot https://imgur.com
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[12:42:38] <fragalot> That cat has seen things
[12:42:48] <gloops> someone posted a photo of a frog just at the moment it made the leap to hyper-space earlier
[12:42:54] <gloops> lucky shot
[12:55:54] <skunkworks> http://electronicsam.com
[12:56:03] <skunkworks> no real way to get in or out of it...
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[13:21:05] <Lcvette> paging pcw_home pcw_mesa
[13:21:29] <Lcvette> quick question about mesa cards for an application beyond my knowledge (old school stuff
[13:21:38] * Lcvette uploaded an image: rhino control.png (291KB) < https://matrix.org >
[13:21:56] <Lcvette> trying to determine what i might need to retrofit this little machine
[13:22:09] <Lcvette> this is a description of its existing control
[13:22:41] <Lcvette> would like to see if i could reuse the existing servos/amplifiers or if not what i could replace as little as possible
[13:22:54] <Lcvette> if you have a card or cards to work with them
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[13:29:47] <gregcnc> rhino? that little yellow lathe
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[13:34:04] <Lcvette> yup
[13:34:14] <norias> oi
[13:34:57] <norias> soooo much reading
[13:34:58] <gregcnc> I asked about PWM drives a while back and was told it's no problem for Mesa
[13:35:23] <norias> gregcnc: that's my understanding, as well
[13:42:39] * Lcvette uploaded an image: Rhino ST8 CNC Lathe 1.png (932KB) < https://matrix.org >
[13:42:49] <Lcvette> thats good news
[13:43:26] <Lcvette> I am just trying to figure out if its just a 7i77 or something more specificly specialized i need to grab to do the retrofit to retain the existing amplifiers and what not
[13:43:27] <norias> i'm still working on my "mini-mill" design
[13:43:39] <norias> i think it will be a multi-year effort
[13:44:21] <norias> my key assumption is that new strategies like trochodial milling
[13:44:36] <norias> can enable better performance of small milling machines
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[13:45:09] <norias> so, i'm starting at calculating average and max cutting forces in those scenarios
[13:45:23] <norias> so I can translate it to require machine / spindle stiffness
[13:45:27] <norias> and motor requirements
[13:45:32] <norias> etc
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[13:46:15] <gregcnc> Where did you find that Rhino? there aren't very many
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[13:46:53] <Lcvette> i set a notification on ebay
[13:46:55] <Lcvette> it dinged and i grabbed it..lol
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[13:47:02] <Lcvette> always wanted one of these little machines
[13:47:14] <Lcvette> learned on one in college back in the early 90's
[13:47:15] <pcw_mesa> Lcvette:Probably a daughtercard like the 7I85S would do (4 PWM/DIR pairs, 4 encoder inputs)
[13:47:16] <TurBoss> nice!
[13:47:17] <norias> Lcvette: what do you like about it?
[13:47:35] <gregcnc> cool, there was a small dynamite lathe recently too 500USD BIN, needed spindle motor
[13:47:52] <Lcvette> i know i missed that one last saturday it was also on my radar
[13:48:06] <Lcvette> was kicking myself!
[13:48:16] <Lcvette> pcw_mesa, thats awesome!
[13:48:20] <gregcnc> If this was closer I'd consider it. https://www.ebay.com
[13:49:39] <pcw_mesa> you would still need something else for GPIO (either a sserial card line a 7I84 or a cheap parallel port BOB)
[13:50:25] <Lcvette> 7i84 and 7i85S
[13:52:41] <Lcvette> out of stock 😞 7i85s
[13:53:25] <pcw_mesa> they are being built as we should have them within a week or so
[13:53:36] <Lcvette> sweet!
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[13:54:43] <Lcvette> so 5i25, 7i84, 7i85s?
[13:56:29] <pcw_mesa> or 7i92 7i85S 7I84
[13:59:19] <gloops> these always fetch a surprising amount - would be easy to make https://www.ebay.co.uk
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[13:59:57] <gregcnc> starting making them>>>> profit
[14:01:14] <gloops> yeah i think you could make profit on something like that
[14:02:02] <Tom_L> don't tell china or they'll cut your throat on it
[14:02:26] <gregcnc> that's why people pay money
[14:03:46] <gregcnc> Thea smallest toolpost grinder Dumore makes is 1150USD, next one up is 2k.
[14:03:48] <gloops> be ok till someone grinds his thumb off then sues you
[14:04:27] <gloops> ive seen some ingenious home made ones, with slides and tilt etc
[14:06:02] <gloops> my own is more primitive https://www.youtube.com
[14:07:52] <Lcvette> how is the latency on the 7i92 with a nuc?
[14:08:01] <Lcvette> is that an option?
[14:29:35] <fragalot> miss0r: fun fact: the stop button on the schaublin can fail in such a way that it doesn't actually stop the machine.. good job they've got another, and there are like 5 other ways to stop it, but guess what i'm doing tomorrow? :D
[14:32:31] <MarcelineVQ> having a pizza party?
[14:32:39] <fragalot> no that was today
[14:33:02] <MarcelineVQ> Be sure to save some for after your fun times tomorrow :O
[14:33:17] <fragalot> always
[14:33:23] <fragalot> it's the breakfast of men.
[14:33:45] <gloops> i know someone on a challenge to eat only pizza for 1 month
[14:33:46] <MarcelineVQ> cold? right out of the fridge?
[14:33:54] <gloops> he doesnt look very well
[14:34:18] <fragalot> MarcelineVQ: that is an option; however if you've got a grill, why not fire that thing up?
[14:34:20] <MarcelineVQ> just means he ate shitty pizza, you can get a complete meal into a pizza pretty easily :>
[14:34:32] <fragalot> gloops: but pizza counts as a vegetable
[14:34:39] <fragalot> according to US congress
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[14:36:29] <gloops> probably more vegetable matter than animal
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[14:41:41] <fragalot> holy crap
[14:42:02] <fragalot> the 3 in 1 sheet metal machine thing I got.. they just emailed me the perfectly translated dutch manual as a PDF
[14:42:32] <fragalot> I think that this is a first where there's a manual that hasn't been translated by someone's cousin that knows a guy that speaks the language
[14:50:07] <SpeedEvil> :)
[14:52:08] <gloops> only thing is, its for a toaster lol
[14:55:37] <cnomad> quick question -- I'm trying to use a limit switch as a home switch, linuxcnc appears to support it and I want to verify my config before testing it
[14:56:02] <cnomad> so:
[14:56:05] <cnomad> net limit-x-min => axis.0.home-sw-in
[14:56:11] <CaptHindsight> https://i.imgur.com hazards of poor g-code
[14:56:27] <cnomad> ^ should assign the limit-x-min switch to a virtual "home switch" -- is that correct?
[14:56:30] <gloops> i see Stan Lee has died
[14:56:34] <fragalot> I literally just watched the burp baby one, CaptHindsight
[14:56:40] <fragalot> https://imgur.com
[14:56:53] <cnomad> the something like this in the INI:
[14:56:56] <cnomad> HOME = 1.00
[14:56:57] <CaptHindsight> yeah fun stuff
[14:56:58] <cnomad> HOME_OFFSET = 0.00
[14:57:00] <cnomad> HOME_IGNORE_LIMITS = YES
[14:57:02] <cnomad> HOME_USE_INDEX = NO
[14:57:04] <cnomad> HOME_SEQUENCE = 0
[14:58:22] <cnomad> and HOME_SEARCH_VEL + HOME_LATCH_VEL set to 0.5 (so axis can assume there IS a home switch, simultaneously ignore the limit switch signal while homing to avoid tripping the 'emergency off' while homing)
[14:58:31] <gloops> you want this switch to be both home and limit?
[14:59:06] <cnomad> don't have much of a choice, but yes
[14:59:25] <cnomad> This is for a Z, so home would be bottom + 1mm
[14:59:43] <fragalot> just to know.. why are you homing Z down?
[15:01:07] <cnomad> is there a convention to home it up? to be specific, this is a Z stage for microscopy, so I can arbitrarily set the focus on the microscope head as well
[15:01:32] <fragalot> convention is to home up as that's an "always safe" direction
[15:01:46] <fragalot> homing down could crash into whatever is on the table.. not sure if that applies to microscopes
[15:01:52] <cnomad> It'll crash upwards due to the body / design on the stage
[15:01:56] <cnomad> *of
[15:02:05] <fragalot> if in your case homing down is safer, then carry on :)
[15:02:53] <cnomad> maybe, there might be something I'm missing, too. The Z stage has a manual knob, if I turn it all the way up -- it stops hard
[15:03:26] <cnomad> the knob appears directly attached to the stepper shaft
[15:04:17] <gloops> i havent done a home/limit switch tbh, but it is an option in the stepconfig wizard, if you ran a sample config and checked home/limit for a switch youll get the ini and hal code
[15:04:59] <cnomad> (looking more, there's a spring attached to the top of the Z stage. maybe the mode of failure while crashing up is preferable to crashing down...)
[15:05:20] <cnomad> ah, ok, I'll run the config then and get a sample output
[15:05:34] <cnomad> thanks! I've been fiddling with the INI / hal directly so far
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[15:07:43] <gloops> just remember if you run stepcofig on your machine file, it will overwrite any changes you have painstakingly made
[15:08:05] <cnomad> yep, just generated one with a different name :)
[15:08:11] <cnomad> also -- backups. yay
[15:14:26] <cnomad> OK, seems like my config matches the homing paramters generated by stepconf when I set an input to "homing+ min limit". time to test
[15:14:48] <cnomad> I slowed down my search / latch vel for what it's worth
[15:15:01] <fragalot> always good when testing :)
[15:15:34] <gloops> yeah, youll probably play with that a bit when its running
[15:17:38] <cnomad> huh. it homes up and passes the limit switch. good thing i slowed it down!
[15:17:38] <gloops> im pretty careful where i park the gantry when im done - gets very tedious waiting it for it to crawl from the far end to home the next day
[15:18:18] <fragalot> cnomad: invert the homing direction
[15:18:25] <fragalot> and you DID tell it to "ignore limits"
[15:18:28] <gloops> you mean it just sails past the switch, or passes it while homing?
[15:18:45] <cnomad> fragalot: yep
[15:19:19] <cnomad> gloops: yeah this seems to be a matter of homing direction and ignore the limit switch, but that top limit switch isn't assigned as a home switch, so....
[15:19:34] <gloops> it needs to back off the other way
[15:20:20] <cnomad> you mean the overshoot part of the homing routine?
[15:22:26] <gloops> well it finds the switch then backs off to come in slowly for an accurate latch
[15:22:51] <gloops> how do you change the direction now, latch velocity maybe
[15:23:04] <gloops> i cant remember - not got linuxcnc here with me
[15:23:08] <cnomad> according to a forum post, the homing direction is just a matter of negating the home search velocity.is it possible to home up, then down, if the bottom limit switch is already hit?
[15:23:44] <cnomad> so say limit switch triggered, and that's the switch assigned as a home switch as well
[15:24:23] <cnomad> when i tell axis to home, it should ignore the limit switch in-as-far as not shutting down... but it should also know not to continue in that direction
[15:24:35] <cnomad> ah, so perhaps that's what the latch vel is for?
[15:25:55] <gloops> latch velocity is the final search for the switch speed
[15:26:29] <cnomad> ok
[15:27:22] <cnomad> ok, seems like http://linuxcnc.org is pretty clear
[15:27:28] <cnomad> "If HOME_SEARCH_VEL is non-zero, then LinuxCNC assumes that there is a home switch. It begins by checking whether the home switch is already tripped. If tripped it backs off the switch at HOME_SEARCH_VEL. The direction of the back-off is opposite the sign of HOME_SEARCH_VEL. Then it searches for the home switch by moving in the direction specified by the sign of HOME_SEARCH_VEL, at a speed determined by its
[15:27:30] <cnomad> absolute value. When the home switch is detected, the joint will stop as fast as possible, but there will always be some overshoot. The amount of overshoot depends on the speed. If it is too high, the joint might overshoot enough to hit a limit switch or crash into the end of travel. On the other hand, if HOME_SEARCH_VEL is too low, homing can take a long time."
[15:27:41] <cnomad> then for home_latch_val: "Specifies the speed and direction that LinuxCNC uses when it makes its final accurate determination of the home switch (if present) and index pulse location (if present). It will usually be slower than the search velocity to maximize accuracy. If HOME_SEARCH_VEL and HOME_LATCH_VEL have the same sign, then the latch phase is done while moving in the same direction as the search
[15:27:43] <cnomad> phase. (In that case, LinuxCNC first backs off the switch, before moving towards it again at the latch velocity.) If HOME_SEARCH_VEL and HOME_LATCH_VEL have opposite signs, the latch phase is done while moving in the opposite direction from the search phase. That means LinuxCNC will latch the first pulse after it moves off the switch. If HOME_SEARCH_VEL is zero (meaning there is no home switch), and this
[15:27:45] <cnomad> parameter is nonzero, LinuxCNC goes ahead to the index pulse search. If HOME_SEARCH_VEL is non-zero and this parameter is zero, it is an error and the homing operation will fail. The default value is zero."
[15:27:49] <gloops> you probably found this already http://linuxcnc.org
[15:27:55] <cnomad> :P
[15:28:08] <cnomad> yeha had to re-read it
[15:30:38] <gloops> If HOME_SEARCH_VEL and HOME_LATCH_VEL have the same sign, then the latch phase is done while moving in the same direction as the search phase. (In that case, LinuxCNC first backs off the switch, before moving towards it again at the latch velocity.) If HOME_SEARCH_VEL and HOME_LATCH_VEL have opposite signs, the latch phase is done while moving in the opposite direction from the search phase. That means LinuxCNC will latch the first pulse
[15:30:39] <gloops> after it moves off the switch.
[15:30:51] <gloops> dunno if that is related to your problem
[15:31:02] <cnomad> beautiful. i got it to work as intended
[15:31:38] <cnomad> yeah I left the latch vel positive and search vel negative
[15:32:32] <cnomad> thank you kindly for your guidance. I will reconsider the homing direction as well, in case the damage caused by crashing is more repairable in the other case
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[15:36:15] <gloops> well im not much of a guide lol, but i have gone through this myself
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[16:39:11] <beanbag-> https://www.newegg.com
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[16:43:02] <Deejay> gn8
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[17:25:25] <Lcvette> anyone running a 7i92 or 7i76e with a nuc?
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[18:20:18] <SpeedEvil> https://youtu.be - you won't believe what happens next!
[18:20:27] <SpeedEvil> How Much Weight Can a Soda Can Hold? Hydraulic Press Test
[18:20:27] <SpeedEvil>
[18:20:34] <SpeedEvil> Really interesting fail when full
[18:30:18] <andypugh> The corrugated can is really pretty
[18:31:35] <CaptHindsight> love the accent
[18:33:04] <CaptHindsight> Smashin with Stash
[18:34:01] <SpeedEvil> andypugh: I'd never have predicted that, it's beautiful
[18:36:29] <CaptHindsight> that guy should have a kids science show
[18:37:04] <SpeedEvil> He pretty much does.
[18:37:09] <CaptHindsight> Today kidnicks we are to have many bubbles in moms and dads hot tub
[18:37:58] <sync> SpeedEvil: it is one of the properties Al and carbon fiber exhibits when you squeeze them
[18:39:55] <CaptHindsight> CCCPTV Kids Sciences
[18:40:11] <SpeedEvil> sync: Carbon fibre does not fail like that at all.
[18:40:29] <SpeedEvil> It is a failure specific to pressurised thinwall pipes I think.
[18:40:55] <andypugh> The corrugutaions stop growing, at a guess, when the work-hardening effect overcomes the geometric effect.
[18:41:40] <sync> SpeedEvil: it fails very similarily
[18:41:46] <CaptHindsight> how much does fluids in the cans has effects on the crushingneses?
[18:41:58] <sync> crushing from one end tho, which also happens with Al tubes
[18:42:02] <SpeedEvil> CaptHindsight: lots. It just crumples without it
[18:42:58] <sync> the interesting thing about Al and cfrp is that they take the same energy throughout the crushing
[18:42:59] <SpeedEvil> they show an empty can just before - which fails as expected, at ~70kg, compared to the 340 of the full one
[18:43:03] <CaptHindsight> how much does air pocket have on can vs full can
[18:43:59] <SpeedEvil> It stats out likely at ~30PSI or so, and will rapidly rise as you crush it.
[18:44:04] <CaptHindsight> when I'm no longer surrounded by those accents I find it charming
[18:44:47] <SpeedEvil> andypugh: I guess it's designed for impact-forming, and needs a ridiculous ductile range - but that eventually runs out when the corrugation stops growing
[18:47:50] <SpeedEvil> Inpact forming is ridiculously awesome
[18:51:51] <sync> the can? they are formed through dies
[18:52:06] <sync> but yeah the alloy has to be very ductile
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[19:10:10] <CaptHindsight> have you noticed how easily the cans burst when you drop them on an edge?
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[19:12:47] <CaptHindsight> https://www.antiquesnavigator.com they used to have rolled lips on each end
[19:13:53] <sync> yes, but that is more expensive to make
[19:15:19] <CaptHindsight> cap with bottle cap https://img.buzzfeed.com*&output-format=auto&output-quality=auto
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[19:15:36] <CaptHindsight> can with
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[19:26:02] <Sawdust83> hello
[19:26:33] <Sawdust83> is there a good websight to get the setup for chinese cnc 2030?
[19:27:14] <Sawdust83> first time using linxcnc
[19:28:27] <renesis> check 1
[19:29:17] <renesis> nickserv is annoying i cant believe i gotta use this crap now
[19:29:21] <renesis> also hi
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[19:47:00] <rmu> UFOs over ireland!
[19:48:57] <CaptHindsight> already quit
[19:49:23] <CaptHindsight> I'll take answer my question in under 20 minutes for $200
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[20:42:51] <weenerdog> howdy howdy
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[21:23:12] <andypugh> Goodnight all
[21:23:31] <Tom_itx> later andy
[21:26:57] <Tom_itx> https://www.youtube.com
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[21:34:06] <sadpone> anyone here have experience or know how good a taig cnc mill is?
[21:34:25] <sadpone> im thinking of getting one because for the cost it seems quite capable
[21:39:25] <renesis> ive had one 12 years, works better now than new
[21:40:34] <renesis> https://www.deepgroove1.com
[21:40:46] <renesis> i got it from this guy, hes on ebay
[21:41:02] <renesis> make sure you get the ER16 spindle
[21:41:54] <renesis> also if you are machining taller parts, interference with the z screw and ways can eat up your evelope
[21:42:01] <renesis> *envelope
[21:42:36] <renesis> itll do 6061 and circuit boards like whatever, had good experience engraving w/o a spring-loaded tool
[21:43:06] <renesis> def a score versus some aluminum extrusion frame gantry shit, or converted china mills
[21:47:05] <sadpone> ooh neat
[21:47:54] <sadpone> whats the difference between deepgroove1's one and one i get from taig?
[21:48:03] <sadpone> im in australia you see
[21:49:21] <sadpone> ive heard deepgroove mentioned before
[21:52:20] <renesis> im not sure taig offers the machine with motors and drivers
[21:52:37] <renesis> he sells it pretty much turnkey, you just need a pc with a parport
[21:53:54] <sadpone> over here they do but i feel like its super marked up and only a mediocre setup
[21:54:16] <sadpone> im just gonna buy a manual one and upgrade later once ive saved the money and really need/want cnc
[21:54:36] <sadpone> which raises the question, should i get stepper or servos?
[21:54:38] <renesis> deepgroove has steppers as big as you would want, and a gecko driver
[21:54:56] <renesis> stepper is a lot easier i think but servo might be fine now
[21:55:08] <sadpone> fine now?
[21:55:30] <renesis> yeah like, cheap, easy to drive
[21:55:34] <sadpone> ah
[21:57:54] <renesis> deepgroove will sell you the motor and drive setup
[21:58:55] <sadpone> deepgroove is in usd and in the us
[21:58:59] <renesis> would email him and let him know your plan
[21:59:01] <renesis> yes
[21:59:26] <sadpone> the cost in usd matches the cost here in aud
[21:59:27] <renesis> but he will deal off ebay, i purchased through paypal direct after a few emails
[21:59:39] <sadpone> and aud-> usd is 1:0.6
[21:59:46] <renesis> with gecko drives, motors, power supply, and nice box?
[21:59:58] <sadpone> currency exchange is not my friend here
[22:00:04] <renesis> ooh
[22:00:24] <renesis> well, all that aside, great machine however you end up getting it
[22:00:29] <sadpone> yeah with postage itle probably cost me nearly twice as much
[22:00:38] <sadpone> ill keep an eye out for the name though
[22:06:04] <sadpone> oh look https://www.ebay.com.au
[22:06:10] <sadpone> deepgroove
[22:06:22] <sadpone> no controller or anything tho (
[22:06:24] <sadpone> or motors
[22:07:58] <sadpone> so, about PCB milling
[22:08:21] <sadpone> what is 6061?
[22:08:57] <sadpone> or is that just a type of alu used in alu backed PCBs?
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[23:04:22] <Tom_itx> 6061 is an aluminum alloy used in all sorts of things
[23:04:34] <Tom_itx> but you left
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