#linuxcnc | Logs for 2018-10-12

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[01:43:24] <pink_vampire> skunkworks: interesting
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[02:31:36] <gloops> https://www.alibaba.com
[02:31:52] <pink_vampire> nice
[02:31:57] <gloops> literally couldnt buy the timber here for those for that money
[02:32:23] <gloops> 65 cents, not even worth setting the machine up if you got the wood free
[02:32:41] <pink_vampire> yeah
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[03:01:04] <gloops> well, i may have made one fatal error with my bandsaw build, the body of it is so heavy i think its gonna bow the runners lol
[03:02:26] <gloops> so i can either have slightly bowed boards, or i need to insert something in the tubes to strengthen them
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[03:05:34] <Deejay> moin
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[04:06:54] <Loetmichel> *GNAH*... some customers... just got an order to EMI-measure half a dozen brandnew video projectors for 30keur++ each... Put the first in the measurement chamber: *CLANK* Customer obviously dismanlted it and put only 2 of 8 screws back in the botton cover... AND managed to misplace on of the corner gussets that have the threads for those bottom lid screws... *designing a copy of that gusset*
[04:06:54] <Loetmichel> *warming up the CNC mill*... *sigh*
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[04:25:07] <pink_vampire> Loetmichel: did you got a mill?
[04:25:17] <Loetmichel> router
[04:26:22] <Loetmichel> two 6040 here at the company now... thoug one sitll isnt operational yet, have to find time to go to the wood supplier to get marine plywood for its enclosure
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[04:39:30] <Jin^eLD> morning
[04:47:06] <pink_vampire> I don't know why it took me so long to make an enclosure to my machine
[04:48:42] <pink_vampire> I just used insulation foam, that was surprised me how strong it is.
[04:48:52] <pink_vampire> hi Jin^eLD
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[05:03:05] <gloops> of all the stupid things i welded a mouting on the wrong side of the box section...pfff
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[05:55:30] <jthornton> my neighbor has lost 6-8 hens and a turkey and now the dog owner is going to "TRY" and keep the dog in... now she has the waiting game to see when the shit kid lets the dog out again after mommy leaves for work
[05:56:25] <jthornton> gloops: just flip it over lol
[05:57:06] <gloops> ive just put it right lol
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[05:58:19] <jthornton> on a good note I finally sorted out what the heck I forgot to do with my python code and now I expect the pseudo door to open at dawn on my test rig
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[06:00:10] <jthornton> 6°C this morning nice and crisp
[06:04:16] <Loetmichel> pink_vampire: arguably my machine at home is a "knee mill"... its small though: https://www.youtube.com
[06:05:01] <pink_vampire> I like your light
[06:05:49] <jthornton> I have a dozen of those lights from ikea
[06:05:59] <Loetmichel> http://www.cyrom.org
[06:06:07] <Loetmichel> yes, its ikea jansö
[06:06:16] <Loetmichel> very good for small machine lights
[06:06:22] <jthornton> aye
[06:06:50] <pink_vampire> where did you got it?
[06:07:07] <jthornton> ikea
[06:07:18] <Loetmichel> because reasonably waterproof/sealed, all metal design (can take touching the mill bit accidentally) and pretty bright if you put the 3W led head directly near to the mill bit
[06:07:22] <Loetmichel> ikea
[06:07:30] <Loetmichel> bought a dozen for 10 eur each.
[06:08:05] <Loetmichel> littered them all around at home, nighstands, my desk, my wifes desk, the CNC, the bandsaw and so on
[06:08:44] <pink_vampire> I think i know where I'm going to do shopping very soon
[06:10:57] <Loetmichel> i have a couple of them that flicker like crazy... its not the led or the PSU though, its the dirt cheap in line switch.
[06:11:23] <Loetmichel> s/in line/cord
[06:13:17] <pink_vampire> do you know about good pump for the spindle?
[06:14:58] * Loetmichel uses a cheap indoor fountain pump
[06:15:11] <Loetmichel> the coolant dosent get contaminated, so that is sufficient
[06:15:16] <Loetmichel> the submersible kind
[06:15:35] <Loetmichel> you dont need much volume nor pressure
[06:23:15] <XXCoder> hey all
[06:23:25] <pink_vampire> hi XXCoder
[06:23:39] <jthornton> hay
[06:23:51] * jthornton is just looking at blynk
[06:23:56] <pink_vampire> Loetmichel: but the tank is on the floor
[06:24:05] <XXCoder> is for horsies
[06:24:41] <Tom_L> 49�F Hi 55
[06:25:14] <Loetmichel> pink_vampire: no problem as long as you return line goes back below the coolant surface in the tank
[06:25:22] <XXCoder> jthornton: in one fiction book, invaders discovered that somehow country people they are invading can poison everything, including fruit in trees, cows that is still living, so on
[06:25:23] <Loetmichel> closed loop: no pressure needed
[06:25:27] <XXCoder> maybe theres a way for chickens lol
[06:25:41] <Loetmichel> you may have to fill the system until all air is out of the tubes though
[06:26:27] <pink_vampire> I'm using now RV pump
[06:26:33] <pink_vampire> but it is noisy
[06:26:37] <Tom_L> yeah, i used a submersible fishtank pump because i had it
[06:26:38] <XXCoder> gloops: 1000 at 63 cents each lol
[06:26:39] <jthornton> I know how to poison dead chickens to kill coyotes but dogs don't mess with a dead one
[06:27:04] <jthornton> you just have to give the dog lead poison
[06:27:51] <XXCoder> Loetmichel: yeah I have one for my machine. sadly still in box lol
[06:28:29] <XXCoder> jthornton: somehow keep chicken alive lol
[06:29:53] <XXCoder> orrrr chicken rv :P
[06:33:13] <jthornton> well a dog won't eat the chicken usually because they are not hungry
[06:33:37] <XXCoder> it'd be really powerful contact poison :P
[06:34:04] <XXCoder> seriously though dont use poison, we had a dog die by someone feeding it antifreeze. our dog didnt kill anything or even gotten out of yard
[06:34:08] <jthornton> well with tracking powder the dog just has to walk on it lol
[06:39:18] <jthornton> the problem with bait and stuff is you can't just target one animal
[06:39:28] <XXCoder> indeed
[06:39:39] <XXCoder> you'd probably attract wasps also
[06:39:49] <XXCoder> they apparently love them chicken
[06:40:23] <jthornton> yea bits of raw chicken in wasp traps works well
[06:40:30] <SpeedEvil> Trap, and release accidentally caught dogs.
[06:40:47] <XXCoder> or "acciently caught" dogs
[06:41:25] <jthornton> the problem is when you release the snare the dog won't leave on it's own anymore
[06:45:23] <jthornton> XXCoder: I fingered out my dumb mistake on my python code
[06:45:57] <XXCoder> yeah? what was error? hopefully not something superstupid like not initalizing variabke
[06:46:10] <jthornton> forgot to declare the variables as global in the function so update was only updating local variables lol
[06:46:14] <SpeedEvil> :)
[06:46:24] <XXCoder> doh
[06:46:34] <jthornton> only mildly stupid lol
[06:46:49] <XXCoder> not as stupid as my code lack of something->pointerthing = null; :)
[06:47:05] <jthornton> focused too much on damn schedule which does not work for days
[06:49:27] <XXCoder> anyway yeah scope of variables you gonna keep eye on that :)
[06:51:05] <jthornton> I'm just glad I finally sorted out that schedule.day() is flaky and moved on to my own code to update the astral times for the new day
[06:51:30] <XXCoder> talking about time
[06:51:49] <XXCoder> I got pebble classic. looks awesome, but charger didnt work so waiting for new one to arrive. bah lol
[06:52:48] <jthornton> what is a pebble?
[06:53:01] <syyl> a smatch
[06:53:03] <XXCoder> its interesting smart watch, uses eink
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[06:57:24] <jthornton> I wish my gear motor would show up so I can start building the new chicken door
[07:05:15] <XXCoder> waiting game is so boring
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[07:06:56] <SpeedEvil> Make a gear motor from bear skins and flint knives.
[07:07:54] <XXCoder> I want a show where guy start with just shorts in wild and end with cnc machine and computer to run it and make gcode
[07:08:09] <jthornton> we have chert but flint is pretty rare around here
[07:08:25] <XXCoder> rocks of all kinds here
[07:08:36] <XXCoder> lot of terrain history here
[07:09:11] <jthornton> and only a few black bears as I'm too close to the city I assume
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[07:15:03] <jthornton> one of the hens laid an egg from the roost yesterday then when the lights came on the hens stated eating it cause it was broken
[07:17:16] <XXCoder> not surpised as egg is pretty sigificant resources
[07:17:32] <XXCoder> as well as reclaim it if it is broken
[07:18:08] <jthornton> aye but I have one egg eater that will bust her eggs if given the chance and eat them
[07:18:15] <jthornton> what a pia to clean up
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[07:20:00] <XXCoder> jeez lol
[07:21:26] <jthornton> put an egg in my pocket yesterday and when I grabbed it to weight it it broke in my pocket what a mess
[07:22:33] <jthornton> mickey
[07:22:52] <XXCoder> yeah remember you menioning that. funny. lol
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[07:39:32] <jthornton> another egg laid from the roost...
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[07:40:58] <XXCoder> how many do you get in a day?
[07:41:33] <jthornton> 5-8
[07:41:44] <XXCoder> wow never run out of eggs lol
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[07:41:59] <XXCoder> they can last over a month in room temperate if you keep it not washed
[07:42:09] <jthornton> sometimes a challenge to give them away lol
[07:42:19] <jthornton> aye, I never wash them
[07:43:41] <XXCoder> heh I still think my infinite bug feeder for chickens would work
[07:44:02] <XXCoder> all you'd need to is to refill bugs food - ie: food trash sometimes
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[07:45:19] <jthornton> yea my chicken door code said to open the door on time... on to the next step
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[07:56:39] <XXCoder> cool :)
[07:58:35] <jthornton> pretty crispy outside in shorts and a muscle shirt lol
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[08:00:31] <XXCoder> :)
[08:01:49] <Loetmichel> crispy?
[08:01:55] <Loetmichel> as in hot or as in cold?
[08:02:23] <jthornton> 6°C\
[08:02:49] <Loetmichel> thats "wohlfühltemperatur" for germans with shorts and tshirt :-)
[08:03:24] <Loetmichel> jk, that would be a bit cold for my taste. luckily its about 19°C out here
[08:03:25] <jthornton> aye
[08:03:37] <XXCoder> given germany language tendacy to cram words together I guess its (something) temperate
[08:03:49] <Loetmichel> "feel good temperature"
[08:03:53] <jthornton> feel-good temperature
[08:06:22] <XXCoder> lol ojk
[08:06:33] * Loetmichel worked outdoors for a few decades (electrician on construction sites)... cold isnt that bad, just work a little harder, gets warm. Being on a ceiling mold in third floor all day pulling cables and armor tube wetween the rebar before the concrete gets pured at 30°C is a PITA though
[08:07:01] <Loetmichel> -w+b
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[08:12:18] * jthornton has worked as an electrician and you always work in the dark... as soon as the lights come on your done working there
[08:12:35] <robotustra> :)
[08:12:40] <XXCoder> or you light up because someone threw switch while youre working
[08:28:19] <Loetmichel> hihi
[08:29:36] <robotustra> illuminati are electicians becasue they do illumination
[08:29:43] <XXCoder> lol
[08:30:22] <XXCoder> one time we was rewiring kitchen, and we turned off power there. in least that was what we thought
[08:31:08] <XXCoder> friend got stuck holding wires so i made two handed fist to break his arms off wire, but he managed to react and let go before I hit his hands
[08:32:48] <XXCoder> its nasty when electricity causes person to be unable to let go
[08:33:14] * Loetmichel once was on a fuse panel in a house... yelled down the staircaise to the apprentice: "did you switch off unit #14?" "YES!" ... so i touched the 3 phase main terminals with my finger... *good* *good* *OUCH!* turned around, started yelling "YOU FORGOT ONE PHASE!" when i notced my boss standing behind me...
[08:33:40] <robotustra> the first rule of electrician - behave like wires are under the tension even if you switched off the power.
[08:33:45] <Loetmichel> ... MAN did he chew me out for being to lazy to go down three flights of stairs to the car to get the "duspol"
[08:34:02] <XXCoder> robotustra: I always do. my friend didnt lol
[08:34:25] <XXCoder> even when known dead I always treat wires like its live
[08:38:14] <Loetmichel> robotustra: 230V isn that bad if you know whats coming and touch it in a way you cant "latch on" to the wire once your muscles spasm
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[08:38:34] <Loetmichel> still boss was not amused that i used my finger as a voltage tester ;9
[08:40:44] <robotustra> to test if wire is hot you should use external side of the arm, in this case you'll not clamp your hand in case it's hot
[08:48:21] <Jin^eLD> I picked up a Solberga SE1630 drill press at an auction yesterday, does anyone happen to have a service manual? I only found a parts manual so far... was wondering about lubrication etc
[08:53:24] <XXCoder> sometimes it seems to me that service manuals is top secret
[08:58:01] <Jin^eLD> yes.. no idea why they can't be downloaded freely.. it's not like you really need one if you don't already own the machine
[08:58:24] <gloops> http://www.hhrobertsmachinery.com
[08:58:45] <Jin^eLD> gloops: thats the parts manual, also handy but only for ordering new spare parts
[08:59:01] <Jin^eLD> I am looking for info what lubricants to use, where, how much etc
[08:59:45] <Jin^eLD> oh well, let's see if the manufacturer answers
[09:00:27] <Jin^eLD> Ortlieb was really nice, they sent me a very good manual for the collet chuck, maybe I'll be lucky with Solberga as well
[09:00:54] <Jin^eLD> was just hoping to get some info if anyone happened to have the same drill around here :)
[09:01:01] <gloops> yeah, just get various links to forum posts etc, would have to chase them up
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[09:44:42] <gregcnc> Jin^eLD did you see this? https://goo.gl
[09:50:24] <Jin^eLD> yes, I was planning to register there in the evening, but since the manual is probably in swedish that was not my first choice
[09:50:35] <Jin^eLD> worst case will help myself with google translate or ask my friends wife
[09:50:43] <Jin^eLD> she's from .se
[09:51:19] <gregcnc> you could probably scan and translate fairly easy these days
[09:52:29] <Jin^eLD> well
[09:52:41] <Jin^eLD> well a manual - probably yes
[09:52:49] <Jin^eLD> I did not have that good experiences with google translate ;)
[09:52:52] <gregcnc> i've done it in google drive a few years ago
[09:53:02] <gregcnc> enough to figure what to oil and when
[09:53:41] <Jin^eLD> when I was searching for lathes in Hungary (back then I wanted an E2N) I was really close at getting into trouble with translations :) luckily I have a habit of counter checking the translated output back and forth vs several languages
[09:53:55] <Jin^eLD> yes, for those things it will be enough, I agree
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[10:05:48] <gloops> interesting curio https://www.ebay.co.uk
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[10:18:39] <gregcnc> you seen those quite often here
[10:20:10] <gloops> be lucky to get that for it methinks
[10:22:57] <Jin^eLD> that's one weird looking machine :)
[10:24:58] <gregcnc> https://youtu.be
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[10:42:02] <gloops> would save a lot of time with some processes
[10:46:27] <methods_> https://fossbytes.com
[10:47:57] <Glorfindel> wow
[10:49:29] <gregcnc> huh, my internet has been odd since yesterday
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[10:50:39] <Jin^eLD> that'd be awesome, then I could stop doing work for today and go to the shed because I "cant work without internet" lol ;)
[10:58:57] <CaptHindsight> http://www.3ders.org
[10:59:20] <CaptHindsight> "print 42-micron layers at speeds of up to 100 cubic centimeters per hour. Until now, this binder-jetting technology has already enabled production of more than 300,000 components. "
[10:59:43] <CaptHindsight> 100 cc/hr is really slow
[11:00:23] <Jin^eLD> CaptHindsight: well, I doubt any of us will be able to afford that anyway :)
[11:00:35] <CaptHindsight> LCNC controlled inkjet binder printer is easy
[11:01:06] <Jin^eLD> I find this guy somewhat promising in terms of cost: http://iro3d.com
[11:01:13] <Jin^eLD> but its of course not exactly the same...
[11:01:30] <CaptHindsight> how useful would metal powder + binder that requires sintering be?
[11:03:19] <Jin^eLD> depends on the output, no? I mean, if you can get strong parts in the end, like, print gears for your gearbox - that'd be really cool
[11:04:15] <Jin^eLD> I also read an interesting article that this could open totally new possibilities, the gears dont have to be completely solid, instead the structure could be chosen in a way to support direction where max strengh is needed and otherwise be hollow, reudicing weight
[11:05:15] <CaptHindsight> that is true for machined gears as well...
[11:05:43] <CaptHindsight> this is where either the marketing dept or the news writers go off track
[11:06:44] <CaptHindsight> a part that is just sintered won't be as strong as a machined part unless you add more metal to fill the voids
[11:07:05] <Jin^eLD> what kind of metal printing do they use for airplane turbines?
[11:08:09] <CaptHindsight> we worked on SLA printing the molds and casting
[11:09:27] <CaptHindsight> 3d printing an alloy that changes composition is a big benefit
[11:10:45] <CaptHindsight> https://digitalmetal.tech from the link above
[11:12:46] <Jin^eLD> looks like a more sophisticated version of what the iro3d guy is trying to do
[11:13:01] <Jin^eLD> its all cool, but not affordable :(
[11:14:41] <CaptHindsight> https://youtu.be you SPD links shows dry powder being deposited
[11:15:23] <CaptHindsight> or is there a binder in the powder?
[11:15:26] <Jin^eLD> the iro3d guy? yes, what he does is really primitive, basically its just a more advanced way of filling sand forms
[11:15:39] <CaptHindsight> it's obvious from his video
[11:15:54] <CaptHindsight> sorry , not obvious
[11:17:07] <Jin^eLD> yep, its not
[11:17:20] <CaptHindsight> oh is he just depositing the powder for the "mold" and the metal powder?
[11:17:23] <Jin^eLD> my impression was that he just builds up the forum using metal powder and sand
[11:17:29] <Jin^eLD> I think so, yes
[11:17:33] <CaptHindsight> ah
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[11:18:27] <Jin^eLD> so its not comparable to the pro-links you posted, this is more home-use kind of stuff I guess, but really simple
[11:18:51] <CaptHindsight> http://www.3ders.org
[11:20:47] <CaptHindsight> his SPD printer is a bit slow
[11:21:59] <Jin^eLD> for me I'd prefer slow, but affordable to not affordable at all, provided it can do the job... for manufacturing large series of some stuff it's a different story of course...
[11:22:57] <CaptHindsight> you could retrofit a small router to deposit powder
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[11:23:21] <CaptHindsight> or "3d" (FDM) printer
[11:23:32] <Jin^eLD> probably
[11:23:42] <Jin^eLD> should be possible to replicate that
[11:24:32] <Jin^eLD> most fiddling is probably in filling up the crucible nicely
[11:24:48] <Jin^eLD> like when to pour how much and make sure to fill the corners
[11:25:35] <Jin^eLD> otherwise, basic layered model build up is probably not that much different from regular 3D printers
[11:27:03] <CaptHindsight> what simple about using a nozzle to deposit both metal and sand is that you don't need a spreader
[11:28:00] <CaptHindsight> it's just not fast
[11:28:49] <Jin^eLD> for me the main disadvantage is the surface, I think everything baked in sand will probably require some mechanical surface finish afterwards
[11:31:39] <CaptHindsight> even the inkjet + binder and sintered parts need secondary operations
[11:32:26] <Jin^eLD> oh.. so no way around that anyway yet?
[11:33:00] <Jin^eLD> well, maybe if I manage to finish all my ongoing projects I may give that a try :)
[11:33:57] <CaptHindsight> http://www.precisionpm.com
[11:34:37] <Jin^eLD> that does look really nice
[11:34:43] <CaptHindsight> depends on how "finished" you need it
[11:35:12] <Jin^eLD> could you just harden and use that gear or does it need more polishing?
[11:35:25] <Jin^eLD> I surely have not enough knowledge in the mechanical area
[11:35:46] <Jin^eLD> or say, in the mechanical engineering area
[11:36:10] <Jin^eLD> I can repair the gearbox of my car, but I don't know about gear properties and requirements
[11:36:10] <CaptHindsight> depends on the application, kids toy or rocket flap actuator
[11:36:29] <Jin^eLD> offroader
[11:36:47] <CaptHindsight> HF drill or any other good drill :)
[11:36:52] <Jin^eLD> lol :)))
[11:37:01] <Jin^eLD> probably... especially taking into account that its from 1976 ;)
[11:37:57] <Jin^eLD> they still make parts for those, but the quality got much much worse, everything fits badly, some custom tuning of the gearbox would probably work wonders, also regarding the noise level
[11:38:49] <Rab> How predictable is consistency and performance of the sintered metal? If you can't e.g. run a useful FEA, there's a limit to how far you can "engineer" the design.
[11:39:05] <Rab> Which will limit useful applications.
[11:39:38] <CaptHindsight> http://www.precisionpm.com
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[11:39:46] <CaptHindsight> look at their apps
[11:40:29] <CaptHindsight> but their method is like injection molding
[11:40:43] <Rab> I guess those guys know what they're doing, but it doesn't necessarily extend to DIY or home shop-level processes.
[11:40:44] <CaptHindsight> powder compressed into a mold
[11:40:48] <CaptHindsight> then sintered
[11:41:11] <CaptHindsight> with binder + metal powder you have more voids since it's not as dense
[11:41:22] <Jin^eLD> Rab: well that was one of my points... its just unaffordable for DIY use
[11:41:42] <Jin^eLD> and it'll probably take a really long while till the prices go down there
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[11:42:06] <Jin^eLD> provided that we will be allowed to buy metal printers at all :)
[11:42:43] <CaptHindsight> how down is down? $5k, $2K, $50
[11:43:22] <CaptHindsight> what was the sweet spot for the all the CNC glue guns?
[11:43:37] <Rab> $200
[11:43:41] <CaptHindsight> when they were <$1k
[11:43:46] <CaptHindsight> heh
[11:44:10] <Jin^eLD> <1k is probably down enough
[11:44:54] <CaptHindsight> a chinaco router is ~$500 for a 8x10"
[11:45:20] <Rab> Sintered metal is more desirable than PLA vermicelli, so I'd put it somewhere between laser cutter and waterjet.
[11:45:59] <CaptHindsight> but it's non contact so you could make the machine frame for $200
[11:46:09] <cpresser> just get all the tools/machines :)
[11:46:34] <Rab> <$10K for hackerspaces and moneyed techies.
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[11:47:11] <CaptHindsight> and they wouldn't need a big printer
[11:47:40] <CaptHindsight> maybe 5^3 inches
[11:47:53] <CaptHindsight> 12.5cm^3
[11:48:59] <CaptHindsight> vs sand casting printer
[11:49:10] <CaptHindsight> what would be more useful?
[11:49:42] <CaptHindsight> print sand molds vs metal parts that need to be sintered?
[11:50:29] <CaptHindsight> casting might be outside of what most hackerspaces can do
[11:51:00] <CaptHindsight> electric kiln for sintering is safer and easier
[11:54:27] <gloops> how long are these printed molds taking to print?
[11:54:53] <SpeedEvil> CaptHindsight: Zamak is pretty decent
[11:55:20] <CaptHindsight> https://www.exxentis.co.uk
[11:56:37] <CaptHindsight> gloops: the https://youtu.be says 24 hours for the size shown
[11:57:52] <gloops> that is impractical
[11:58:23] <CaptHindsight> not for production but it's ok for home use
[12:00:14] <gloops> still i suppose once you got the first casting you can take a mold from that for using lost wax or something
[12:00:50] <gloops> if youre making more than 1 of the same item
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[12:02:04] <CaptHindsight> maybe SLA with metal paste, metal powder and binder paste
[12:03:03] <CaptHindsight> spread even layer of metal paste, selective cure with laser or DLP, rinse part, sinter
[12:03:18] <gloops> sounds technical lol
[12:03:41] <CaptHindsight> I bet the "spreader" patent would be an issue
[12:04:03] <CaptHindsight> would be a top projection SLA
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[12:05:01] <gloops> print mold for #1, cast the aluminium, make silicone mold on that part, cast endless wax parts, set in casting sand, with drain pipes, make endless aluminium copies
[12:05:40] <CaptHindsight> depends on the objective
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[12:06:01] <gloops> yeah, you might only want 1 intricate part
[12:06:11] <CaptHindsight> 3d printed moolds or patterns can make parts in shapes that can't be machined in one piece
[12:06:23] <CaptHindsight> moolds/molds
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[12:06:51] <CaptHindsight> vs easy part you make a zillion of
[12:06:59] <gloops> and 24 hours sounds a lot, but the manual way may take longer
[12:07:19] <CaptHindsight> hackerspace gear, could take days
[12:07:24] <CaptHindsight> if ever
[12:08:11] <CaptHindsight> printed and sintered gear could be made with far less engineering and hands on skills...
[12:08:39] <Jin^eLD> we 3d printed some parts, made a form out of how is it called, gypsum? then burned out the plastic that was inside and then used the remaning form for casting, it did work but it was a somewhat teadious process
[12:08:40] <CaptHindsight> often you'd still have poorly designed parts
[12:08:54] <CaptHindsight> but thats how you learn, well some of us
[12:10:19] <gloops> i made a steel plate mold when i was trying to cast ally plates, but that was after an impressive explosion of a stone mold
[12:10:50] <gloops> 3kg of liquid ally went up like a bomb
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[12:18:02] <CaptHindsight> http://www.3ders.org
[12:18:56] <CaptHindsight> they likely machine just the holes to finished size
[12:20:50] <gloops> difficult to cast normally, to get the metal to flow round those delicate channels
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[12:24:17] <CaptHindsight> metal powders are easier to produce than polymer powders
[12:29:10] <CaptHindsight> powder bed spreader can be combined with a gantry
[12:29:47] <CaptHindsight> lower roller for spread pass, lift for print pass
[12:41:36] <CaptHindsight> $50 https://www.ebay.com
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[12:48:06] <pink_vampire> CaptHindsight: how do you control it?
[12:49:53] <Rab> Wonder if this is a reasonable bed for a small router: https://www.ebay.com
[12:49:55] <CaptHindsight> ^^ is analog +-5V
[12:50:28] <Rab> Presumably it's pretty flat, rigid, and closely dimensioned.
[12:50:31] <pink_vampire> Rab: OPTICAL BREADBOARD
[12:50:38] <pink_vampire> over kill
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[12:51:16] <Rab> Shrug, raw cast Al tooling plate is about half the price.
[12:51:39] <CaptHindsight> vs already has holes tapped
[12:52:06] <pink_vampire> and you can make the holes with the cnc easy
[12:52:07] <CaptHindsight> labs often don't have machine tools so they buy the pre made stuff
[12:53:19] <pink_vampire> Rab: on a router you need to use waste board, so the plate below it can be anything
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[12:54:25] <pink_vampire> and you anyway true the waste board flat the first time you use it.
[12:54:31] <Rab> pink_vampire, I mostly use workholding jigs which need to be mounted reproducably to a rigid surface.
[12:54:40] <gloops> yeah, suppose it depends what youre doing, but that will get ripped to shreds with normal router use
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[12:55:07] <pink_vampire> then maybe..
[12:55:31] <pink_vampire> but just for few holes to pay 125$
[12:55:40] <fragalot> Heya
[12:55:41] <Rab> Like cutting into your mill table, just don't do that then. ;)
[12:55:44] <pink_vampire> it is not even 1'X1'
[12:56:36] <Rab> I don't know if that specific table is a good deal, just something to keep my eyes open for.
[12:57:37] <pink_vampire> for 130 you can get 1" 1'x1'
[12:57:48] <fragalot> but how flat is it then, pink_vampire
[12:58:15] <pink_vampire> you make a face operation on it
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[12:58:37] <gloops> wood thickness is often not to close tolerances, you always rip the spoil board up
[12:58:50] <Rab> pink_vampire, 1" plate is a lot of weight to be dragging around.
[12:58:50] <pink_vampire> fragalot: https://i.imgur.com
[12:58:55] <gregcnc> ground, tapped, anodized not bad if you want a table with threaded holes
[12:59:01] <gloops> or it might be bowed or whatever, fairly normal to cut over depth
[12:59:10] <fragalot> I agree with gregcnc.
[12:59:18] <fragalot> pink_vampire: did you take that picture with a potato?
[12:59:41] <pink_vampire> no
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[12:59:55] <gregcnc> eh, they are 135 new
[13:00:31] <CaptHindsight> maybe a HAL component to use stereo sound card for analog out
[13:00:33] <gregcnc> https://www.thorlabs.com
[13:00:35] <pink_vampire> fragalot: https://i.imgur.com
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[13:01:54] <CaptHindsight> or DAC from LPT port, could even be USB DAC
[13:02:27] <fragalot> pink_vampire: looks very nice, but how flat is it really? :)
[13:02:31] <pink_vampire> gregcnc: do you know that is not super flat like a surface plate, it is just look nice.
[13:03:10] <pink_vampire> fragalot: like glass
[13:03:18] * fragalot has a surface plate grade hunk of ground cast iron for his build
[13:03:44] <gregcnc> the flatness isn't as good as expected, so keep looking
[13:03:45] <pink_vampire> Rab: https://i.imgur.com
[13:03:51] <CaptHindsight> https://www.youtube.com
[13:04:20] <gloops> whats the flatness matter, its a router, does it run flat? no
[13:04:44] <fragalot> CaptHindsight: very neat and all, but what is the point in today's world? :P
[13:05:08] <CaptHindsight> fragalot: cheap analog out from LCNC
[13:05:22] <CaptHindsight> drives galvos
[13:05:27] <fragalot> I see
[13:05:31] <pink_vampire> gregcnc: it is not design to be flat, it is just to mount stuff on it, the accuracy come from the holders adjustments
[13:06:05] <CaptHindsight> USB DAC is also cheap
[13:06:32] <Rab> gloops, I would like my routers to run flat.
[13:06:44] <CaptHindsight> and you don't need real time for the galvos, as long as they are synced
[13:07:10] <fragalot> Rab: gloops works mainly with wood, where being out of flat or out of square by 0.05mm doesn't matter
[13:07:33] <fragalot> the wood will move more than that with moisture anyway
[13:09:44] <Rab> The Thorlabs breadboards are rated for flatness, but it's pretty awful (±0.006" over 1 ft2). Maybe that's the spec for the original plate stock.
[13:10:31] <fragalot> ouch
[13:10:46] <pink_vampire> I told you
[13:11:02] <fragalot> get an optical flat instead
[13:11:10] <fragalot> :P
[13:11:22] <gregcnc> yeah just drill and tap or t slot it
[13:11:37] <fragalot> painters tape & superglue
[13:12:15] <Rab> Facing a tooling plate is starting to look like a winner.
[13:12:29] <fragalot> you can buy pre-faced tooling plate too
[13:12:42] <CaptHindsight> https://www.shars.com
[13:12:45] <gregcnc> I had someone make a table for my mill in '08 maybe. 12x14 with 3 tslots in 1" mic6, was a steal at 350$
[13:12:58] <gloops> alls im saying its a waste of time getting a base thats flat to .00000 when your gantry is cock eyed to .1 and your rails arent parallel to within .1 etc
[13:13:24] <Rab> gloops, I hope that's millimeters
[13:13:56] <CaptHindsight> $40 https://www.shars.com
[13:14:32] <pink_vampire> Rab: just get 1'x1' and drill it on the cnc
[13:14:34] <CaptHindsight> drill and epoxy tapped holes wherever you wish
[13:15:00] <Rab> CaptHindsight, I've been thinking about granite surface plate for a router base.
[13:15:18] <gloops> well thats why people surface the spoil board with routers, at least youre working on a parallel plane to the travel, anywhere on the table
[13:15:35] <fragalot> you could just get some ATP-5 or K100-S tooling plate
[13:16:30] <Rab> I have some big linear motor stages, like 48"...would need a fair amount of mass to keep those planted.
[13:16:36] <fragalot> CaptHindsight: I'm so jealous of you guys in the USA finding surface plates (even low grade) for those ridiculous prices
[13:16:50] <fragalot> a tiny plate like that still goes for 150+ here
[13:16:53] <CaptHindsight> Rab: 2x3 surface plate is the base https://imagebin.ca
[13:17:10] <gloops> ive got approx 4x3 feet area, how much is it out? i dont know, how do you want me to measure it?
[13:17:19] <Rab> But the current project is a tiny, rigid router. 12x10 would be fine.
[13:17:55] <fragalot> feet? :D
[13:17:56] <Rab> CaptHindsight, hot!
[13:18:00] <CaptHindsight> Rab: yeah, Shars is a 2 hour round trip for me
[13:18:28] <CaptHindsight> I used to buy from Enco, they were even cheaper delivered
[13:19:10] <CaptHindsight> order by noon, truck arrives next day by noon
[13:20:16] <Rab> There's this thing, might be OK if it's well-supported and faced in the macine: https://www.ebay.com
[13:20:20] <gregcnc> https://store.hexagonmetrology.us
[13:20:20] <Rab> +h
[13:21:12] <gloops> i got an ancient cast manhole cover, bout an inch thick, thought of getting it machined flat
[13:21:24] <gregcnc> arent' there many sources for aluminum t slot extrusion?
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[13:22:17] <CaptHindsight> yes, but not flat out of the box
[13:22:25] <fragalot> you could also scour scrapyards for scrapped out machine tables
[13:22:44] <gloops> probably the best bet
[13:23:00] <fragalot> pretty sure the base on my 'new' drill press came from a similar source. https://photos.app.goo.gl
[13:23:27] <pink_vampire> on the time you spent talk about it' the machine can face it flat for a router.
[13:23:54] <gloops> 12 inch yeah, just flatten some ally off, when youve found some ally
[13:23:56] <Rab> fragalot, wicked.
[13:24:23] <gloops> it will be as flat as your router can cut anyway
[13:25:10] <pink_vampire> it is not a surface plate, it is just the plate for a router, and even if you are going to use super grade plate, the router will be true to the the flatness of your rails
[13:28:11] <miss0r2> evenin'
[13:28:19] <gloops> this looks a bit bigger than 12x10 https://www.ebay.co.uk
[13:28:36] <miss0r2> probaly feet :)
[13:29:26] <CaptHindsight> 13 slots - 12ft by 5ft
[13:29:57] <fragalot> hi miss0r2
[13:29:59] <gloops> USA https://www.ebay.co.uk
[13:30:24] <miss0r2> fragalot: I'm just in here waiting for my ride. Having beer with the guys tonight :]
[13:30:30] <miss0r2> You up to anything interresting?
[13:30:32] <CaptHindsight> Item is guaranteed to not be DOA :)
[13:31:51] <miss0r2> ride is 7mins out
[13:32:13] <CaptHindsight> horse and wagon?
[13:32:19] <CaptHindsight> hoverboard?
[13:32:45] <miss0r2> regular car, I hope
[13:32:59] <miss0r2> But I do live in the countryside... so, theres realy no telling :P
[13:33:23] <fragalot> red cart
[13:33:27] <CaptHindsight> white princess carriage and 8 unicorns
[13:33:55] <fragalot> https://proxy.duckduckgo.com
[13:34:19] <miss0r2> Knowing these guys, Nothing could surprise me
[13:34:50] <fragalot> sounds like a cgallenge
[13:34:55] <fragalot> give me their number
[13:35:06] <miss0r2> fragalot: No.
[13:35:25] <miss0r2> Whatever you come up with - no matter how crazy, you can bet they will try to outdo it :D
[13:35:32] <miss0r2> I plan on seeing tomorrow
[13:36:02] <fragalot> You're no fun.
[13:36:31] <miss0r2> I realy am not
[13:36:34] <miss0r2> :]
[13:36:52] <miss0r2> 7mins my ass.. they drive like madmen. I have to run, see you around
[13:37:08] <fragalot> cya
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[13:39:14] <CaptHindsight> 28 C Tuesday, today is 3C
[13:39:56] <CaptHindsight> it's true we really only get about 2 weeks each year of spring or fall
[13:42:47] <fragalot> you guys still get fall?
[13:43:20] <CaptHindsight> for an hour or so between temp swings
[13:44:25] <CaptHindsight> still coffee time here, switch to beer in an hour
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[13:51:37] <gloops> https://www.ebay.co.uk
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[14:05:47] <gloops> how to cast ally in the backyard https://www.facebook.com
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[15:13:53] <CaptHindsight> looks like metal powder + binder with laser and galvo is cheap and simple enough, then you sinter in an electric kiln
[15:17:39] <CaptHindsight> the unused powder can be reused
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[15:25:35] <CaptHindsight> and the same printer can be used to print sand molds for casting
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[15:27:16] <CaptHindsight> https://www.youtube.com material hopper and bed that moves down after each layer
[15:29:54] <CaptHindsight> https://www.youtube.com
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[17:06:24] <Deejay> gn8
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[17:17:14] <skunkworks> seems to peak out at 70c.. this laptop has some pretty good cooling
[17:17:17] <skunkworks> http://electronicsam.com
[17:19:05] <CaptHindsight> wonder what laptop is the lowest cost that runs LCNC over ethernet?
[17:20:39] <SpeedEvil> CaptHindsight: One with a smashed screen.
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[17:29:23] <SpeedEvil> Stupid question. Are there things like braze-on carbide insert holders?
[17:29:37] <SpeedEvil> Rather than having to machine the complex geometry.
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[17:30:51] <Tom_L> not that i'm aware of
[17:31:19] <Tom_L> they either come pre'brazed or with a screw for the insert
[17:32:09] <Tom_L> https://www.carbideanddiamondtooling.com
[17:32:11] <Tom_L> for example
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[17:35:05] <andypugh> Well, sort-of
[17:36:13] <SpeedEvil> Yeah - what I mean is basically the absolute minimal insert holder, which you would braze on in place of a braze on bit of carbide.
[17:36:23] <SpeedEvil> I can sort of cope with machining a flat.
[17:36:42] <SpeedEvil> I can't cope with machining a insert holder
[17:36:49] <andypugh> https://www.cromwell.co.uk
[17:36:59] <andypugh> Not really what you describe
[17:38:19] <SpeedEvil> yeah. It's a sort of bastard thing that doesn't have a good use in a proper shop.
[17:38:33] <andypugh> What’s so hard about machining a holder?
[17:39:17] <SpeedEvil> Lack of mill. Something I need to fix, admittedly.
[17:39:28] <andypugh> (Microbore cartridges are used in all sorts of custom tooling and for line-boring bars for engine bearing work)
[17:39:44] <andypugh> Ah, lack of mill is a problem.
[17:40:03] <andypugh> How sensitve are you? Here is what I have done in the past….
[17:40:19] <andypugh> Screw down an insert that you don’t want where you want it.
[17:40:28] <andypugh> Weld round it with MIG.
[17:40:35] <SpeedEvil> hah
[17:40:39] <andypugh> Remove the insert, screw in a good one.
[17:42:17] <andypugh> (In my limited experience of such bodgery, MIG doesn’t stick to carbide)
[17:42:34] <SpeedEvil> hammer would probably fix sticking.
[17:52:48] <jthornton> or a copper one as mig will not stick to it but it's hard to get a smooth finish
[17:56:55] <andypugh> To make sure you could whitewash the insert
[17:57:09] <andypugh> (they use “Tippex” on “Forged In Fire”
[18:00:47] <Tom_L> and i didn't think andypugh did anything ghetto...
[18:01:48] <jthornton> why is it so hard to find a good auto switch programmable thermostat? Everyone I look at has bad reviews
[18:02:08] <andypugh> Tom_L: Haven’t you noticed that my email address is “bodgesoc” ?
[18:02:20] <Tom_L> not really no
[18:02:29] <jthornton> unless of course it's a $300 wifi thermostat and what the heck do you need wifi for on a thermostat lol
[18:02:54] <andypugh> I used to _specialise_ in “field expedient” solutions to engineering problems, but then I got wealthy enough to buy and make proper tools.
[18:02:59] <Tom_L> jthornton, i had an old one that wasn't so bad but it's long since bit the dust
[18:03:32] <Tom_L> had week & weekend settings per day
[18:03:39] <jthornton> so has my old one, it worked perfect up to the day it died then I got this piece o crap one I have now
[18:03:41] <andypugh> jthornton: I am going to make a controller for my mum’s hous based on Pi 0W and a relay card. Interface would be a web page.
[18:03:51] <Tom_L> same here
[18:04:05] <jthornton> what's a Pi 0W?
[18:04:38] <andypugh> https://thepihut.com
[18:04:44] <jthornton> good idea for sure I can make it do what I want and not what some dumb butt thinks it should do lol
[18:04:56] <jthornton> a a zero, I have a few of those laying about
[18:05:37] <jthornton> what do you use to get the temperature into the RPi?
[18:06:12] <Tom_L> take the sensor from the old one :)
[18:06:33] <jthornton> rip the thermistor off something lol
[18:06:57] <Tom_L> PT junction isn't in the right range i don't think
[18:07:13] <Tom_L> i used one of those on my toaster oven
[18:09:06] <jthornton> hmmm I have a sack of I2C temperature probe things
[18:09:26] <Tom_L> lm75? i think is one
[18:09:27] <jthornton> https://store.ncd.io
[18:09:45] <Tom_L> i had some of those wired to my webpage for a while
[18:10:28] <SpeedEvil> it's a bit silly the easiest way to get readings into the Pi is to use the camera and OCR
[18:11:17] <jthornton> I need to sort out why my 2.2" OLED is not seen on the I2C buss and use it for a temperature display
[18:13:50] <jthornton> I assume there is some way to get the local temperature without a weather station...
[18:15:11] <Tom_L> http://www.ti.com
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[18:15:55] <Tom_L> http://www.ti.com
[18:16:40] <jthornton> https://www.amazon.com I have a sack full of those
[18:17:02] <Tom_L> http://tom-itx.no-ip.biz:81
[18:17:07] <jthornton> plus some on a chip
[18:17:33] <jthornton> that looks like fun
[18:17:53] <Tom_L> http://tom-itx.no-ip.biz:81
[18:17:58] <Tom_L> those were a little bigger
[18:18:19] <Tom_L> crappy etch on some of those..
[18:18:37] * jthornton puts on his chef hat and goes to do some sous chef work
[18:19:01] <Tom_L> used a parallel port to read them
[18:19:09] <jthornton> yea the second ones look doable for an old fart like me
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[18:19:45] * jthornton wanders up to the kitchen
[18:19:49] <Tom_L> probably have a pic of that somewhere..
[18:23:10] <CaptHindsight> what are the real time interfaces on the Rpi3? just SPI?
[18:23:38] <CaptHindsight> pretty sure ethernet is over usb
[18:24:20] <CaptHindsight> there are a few ARM boards with integrated NIC's
[18:25:06] <CaptHindsight> so LCNC over Ethernet works but then you need enough GPU cores to run the GUI
[18:35:30] <CaptHindsight> yah hafta build camotics from source for the Debian version used on the live CD?
[18:43:14] <CaptHindsight> no LCNC'sn is too old
[18:43:36] <CaptHindsight> LCNC's Debian
[18:46:12] <CaptHindsight> SpeedEvil: https://www.ebay.com
[18:46:18] <CaptHindsight> $0.99
[18:47:43] <CaptHindsight> huh, same price for laptops without drives but good screens
[18:48:01] <SpeedEvil> yeah - 'not working' laptops may be similar
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[18:52:38] <jthornton> I wonder if the pin spacing on the RPi zero is the same as the 50 pin on a Mesa card?
[18:52:51] <CaptHindsight> http://linuxgizmos.com
[18:53:00] <CaptHindsight> integrated NIC
[19:08:33] <CaptHindsight> jthornton: 40 Pin (2 x 20 row) header with 0.1" (2.54mm) pitch
[19:08:35] <_unreal_> sup
[19:08:38] <CaptHindsight> so yeas
[19:08:58] <jthornton> cool, I can make the cable then thanks
[19:09:03] <_unreal_> hum... have not seen ziper in a few days..... though I have a log of him wanting to ask me a question
[19:09:27] <CaptHindsight> jthornton: https://www.modmypi.com
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[19:10:08] <CaptHindsight> seen zipper
[19:10:21] <CaptHindsight> woops
[19:15:06] <CaptHindsight> image2gcode generated a 120k line program for one color pass
[19:16:02] <pink_vampire> hsmworks!
[19:17:16] <CaptHindsight> hsmdontworks!
[19:17:51] <pink_vampire> it is work!!
[19:18:23] <andypugh> Yeah, HSMworks and Fusion/Inventor HSM is the best CAM I have found so far
[19:18:59] <CaptHindsight> well I have mastercam and NX but thats cheating
[19:19:37] <CaptHindsight> andypugh: I'm working on 5-axis CAM for CNC airbrush
[19:20:05] <andypugh> You do like chalenge, don’t you?
[19:20:54] <andypugh> ll
[19:21:07] <CaptHindsight> https://postimg.cc just 3-axis here
[19:21:29] <XXCoder> 5 axis airbrush eh
[19:21:34] <XXCoder> airbrush a statue :)
[19:21:55] <CaptHindsight> will be useful for aerosol deposition onto 3d surfaces
[19:22:07] <XXCoder> indeed
[19:23:56] <CaptHindsight> voice coil servo motor driven nozzles
[19:24:44] <CaptHindsight> there's no CAM now for variable diameter tools
[19:25:35] <CaptHindsight> I can vary cone diameter and saturation (deposition density) on the fly
[19:26:17] <SpeedEvil> powdercoat would be fun
[19:26:44] <SpeedEvil> the hard part is sorting out the mixed powder waste into original pigments
[19:29:00] <CaptHindsight> UV powdercoat can be airbrush applied in <.5mm res
[19:29:28] <CaptHindsight> it melts at lower temps than usual powder coat
[19:30:32] <CaptHindsight> SpeedEvil: have done it in the past by applying a single base color and then laser sinter, then vacuum whats not sintered
[19:30:48] <CaptHindsight> then add next color, rinse repeat
[19:31:09] <CaptHindsight> final bake when done if needed
[19:33:40] <SpeedEvil> :)
[19:34:08] <CaptHindsight> https://www.pcimag.com
[19:34:42] * SpeedEvil needs to get his photocatalyst ordered.
[19:35:22] <CaptHindsight> heh photoinitiators are on short supply recently
[19:35:32] <CaptHindsight> they created an artificial shortage
[19:36:58] <CaptHindsight> IGM spent the last few years buying up all the co's that make them and now "surprise" a shortage!
[19:37:31] <CaptHindsight> https://www.basf.com
[19:38:34] <SpeedEvil> sigh
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[19:39:18] <CaptHindsight> I'm getting a batch in from China if you need some
[19:40:13] <SpeedEvil> unfortunately, it's not a near-term project.
[19:40:25] <SpeedEvil> My stack is too deep
[19:40:57] <CaptHindsight> let me know
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[19:48:46] <SpeedEvil> Not for the forseeable future, alas.
[19:48:54] <SpeedEvil> Realistically.
[19:48:58] <SpeedEvil> Thanks.
[19:49:49] <jthornton> CaptHindsight: yea the header came with each zero
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[21:46:42] <Tom_L> what's the number of the newer mesa card with the daughter built on the main card?
[21:46:44] <Tom_L> ethernet
[21:46:55] <Tom_L> can't think of the number..
[21:57:26] <andypugh> 7i76E
[21:58:55] <Tom_L> i did find it finally thanks
[21:59:32] <Tom_L> i was thinking of the 7i96 i think
[21:59:45] <pink_vampire> why it have ethernet?
[21:59:47] <Tom_L> what's the one jt was making the config utility for?
[21:59:55] <Tom_L> why not?
[22:01:06] <andypugh> You don’t need a parport or PCI. Even the smallest PCs seem to still have Ethernet
[22:01:35] <Tom_L> skunkworks seems to be having good luck with his laptop too
[22:02:39] <pink_vampire> andypugh: what is the best card for fast servos?
[22:03:20] <skunkworks> they are sure great for testing
[22:03:25] <andypugh> Depends on the drives.
[22:03:25] <pink_vampire> 6 axis * 8192 PPR * 4000 rpm each motor
[22:03:56] <Tom_L> skunkworks what card are you using on that little mill?
[22:04:13] <andypugh> rene-dev: Does STMBL have significant limits?
[22:04:39] <skunkworks> Tom_L: 7i92
[22:05:42] <Tom_L> ahh ok... thanks
[22:06:36] <skunkworks> currently p!ugged directly into a leadshine stepper drive
[22:07:31] <skunkworks> done a lot of stuff with mesa ethernet now... no issues
[22:09:17] <Tom_L> using any other than test machines?
[22:10:04] <pink_vampire> what is more reliable the ethernet or the pci?
[22:10:22] <andypugh> In theory PCI
[22:10:45] <andypugh> But thay
[22:11:04] <andypugh> But that’s a different question.
[22:11:17] <pink_vampire> what do you mean?
[22:11:25] <andypugh> Actually, to be fair, that’s a different answer on my part
[22:12:20] <pink_vampire> I have dedicated full tower pc just for linux cnc
[22:12:32] <andypugh> For absolute speed I think I would use a PCI Mesa card and STMBL servo drives.
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[22:13:08] <andypugh> But in practice the hardware is normally the problem
[22:14:00] <andypugh> And, furthermore, whilst I have a number of STMBL drives, they are not particularly well documented or available,
[22:14:35] <pink_vampire> what about the g320X
[22:14:45] <pink_vampire> or the clear path servos?
[22:15:38] <Tom_L> andypugh, how's he coming on the new part rev board?
[22:17:34] <andypugh> Tom_L: No idea :)
[22:18:19] <andypugh> pink_vampire: In this video the A axis is STMBL and the XYZ are 8i20 and software. https://www.youtube.com
[22:18:54] <andypugh> They all work. So why do you want something extra special?
[22:22:02] <pink_vampire> now I'm ith the lpt, and the servos are working in 400 ppr for x and y, and 800ppr for the Z axis and 100 ppr for C.
[22:22:11] <pink_vampire> with*
[22:23:47] <pink_vampire> and the problem is the machine is veeeery slow for the high speed spindle, each servo can go up to 4000 rpm, but the lpt can't work at those speeds, so i'm thinking about upgrade to FPGA card
[22:24:16] <pink_vampire> andypugh: ^
[22:25:11] <andypugh> Any (any) other interface will knock the LPT into a cocked hat
[22:26:41] <Tom_L> heh
[22:26:44] <andypugh> (or you can change the gearing anf sacrifice accuracy)
[22:26:59] <pink_vampire> but if i going to spent the time and money to get something like FPGA card I want the best
[22:28:02] <andypugh> Things move. I spent more on Mesa cards for my current lathe then I spent on my first lathe.
[22:28:10] <pink_vampire> I LOVE that video, the engraving part https://youtu.be
[22:28:26] <XXCoder> yeah that was great
[22:29:43] <andypugh> The fun part of that engraving, it’s all hand-coded G-code
[22:30:02] <andypugh> (about 200 lines and scalable)
[22:30:38] <pink_vampire> WOW
[22:32:00] <andypugh> It’s all here: https://forum.linuxcnc.org
[22:33:47] <Tom_L> how long did it take to figure that out?
[22:34:30] <XXCoder> fancy
[22:34:43] <XXCoder> 9 axises??
[22:35:30] <andypugh> Tom_L: It was an evening. The idea was instant, the exectuion tedious.
[22:36:00] <pink_vampire> andypugh: you are my G-code hero
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[22:55:14] <pink_vampire> what do you think about my design https://i.imgur.com
[22:55:57] <pink_vampire> XXCoder: Tom_L ^
[22:56:11] <XXCoder> looking
[22:56:33] <XXCoder> lighting system?
[22:56:40] <pink_vampire> yeah
[22:56:54] <XXCoder> looks cool. for machine or somewhere else?
[22:57:13] <pink_vampire> no.. for a fish tank
[22:57:20] <XXCoder> nice
[22:59:17] <andypugh> Pretty, It’s fun what twiddles yiu can add when it is CAD and Plasme. Reminds me of Victorian cast iron where detail was free
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[23:00:25] <pink_vampire> I love the skeleton look
[23:00:36] <XXCoder> heh so much details back then
[23:00:38] <XXCoder> huge work
[23:03:42] <pink_vampire> andypugh: did you saw the soldering iron tip that i made? https://i.imgur.com the old one https://i.imgur.com old vs new https://i.imgur.com
[23:04:05] <andypugh> I took a picture of the watch I never wear last night (came up in conversation) Fairly skeletal: https://photos.app.goo.gl
[23:04:52] <andypugh> pink_vampire: Does it work?
[23:04:57] <pink_vampire> niiiiiiiiiice
[23:05:11] <pink_vampire> sure https://i.imgur.com
[23:05:14] <XXCoder> amazing artwork
[23:05:41] <andypugh> I have a vague feeling that soldering “irons” are iron-plated copper. What did you use?
[23:06:12] <pink_vampire> i think it was silver steel
[23:06:40] <pink_vampire> very very hard shell, and softer on the inside
[23:06:42] <andypugh> It does seem to have tinned and is eorking.
[23:07:56] <pink_vampire> i dis very fine work with that tip
[23:11:35] <pink_vampire> i want to get quick change tool post for my lathe
[23:14:32] <andypugh> http://www.createtool.com
[23:15:05] <andypugh> pink_vampire: The only hard part is chooing the size
[23:15:12] <XXCoder> "belive that we belive" :P
[23:15:44] <pink_vampire> how do i know?
[23:16:30] <andypugh> Genuoine multifix would be better, but I think they went out of business. Create claim to fit the jigs.
[23:16:54] <andypugh> Of course, a set from them ought to just work.
[23:17:29] <pink_vampire> how do i determent what it the best size for my lathe?
[23:18:50] <andypugh> Table here
[23:18:51] <andypugh> http://www.lathes.co.uk
[23:20:20] <pink_vampire> they look huge
[23:21:40] <andypugh> How big is your lathe? eBay has some cute tiny ones. but Original Multifix was for real lathes
[23:22:09] <pink_vampire> i have emco
[23:22:34] <andypugh> Centre height>
[23:22:37] <andypugh> ?
[23:23:09] <pink_vampire> one sec i will take a picture
[23:32:57] <pink_vampire> https://i.imgur.com
[23:34:26] <pink_vampire> andypugh: https://i.imgur.com
[23:34:46] <pink_vampire> what size do you think?
[23:36:43] <andypugh> These exist, but look harder than I did: https://www.ebay.co.uk
[23:38:38] <pink_vampire> i think 1/4" is too small
[23:38:54] <pink_vampire> I like the 1/2" and 3/8" tools
[23:40:28] <andypugh> I gave you the tools, do your own research on the right size. Then you can’t blame me :-)
[23:41:31] <pink_vampire> the Multifix look nice but each holder is very expensive
[23:41:45] <andypugh> Yes.
[23:41:55] <andypugh> And?
[23:42:52] <pink_vampire> i think he dovetail style will be more cost effective
[23:42:55] <andypugh> (a set of 4 is probably enough, then look for eBay bargaind)
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[23:44:19] <pink_vampire> i have alooooooooooot of tools that i got with the machine
[23:45:21] <pink_vampire> so u want to try fit as much as i can in tool holders with the height already set
[23:45:29] <andypugh> I have used the MF at odd angles many times and used my “throwaway:” tool (10) for the touch-off.
[23:46:19] <andypugh> Can’t do that with a dovetail if you want T1 to still be right
[23:47:32] <pink_vampire> i guess you right
[23:51:25] <andypugh> It’s up to you. I have been where you are and bought the cheap option, then sold the whole machine and moved on.
[23:52:13] <pink_vampire> I have tools like that https://i.imgur.com
[23:52:37] <pink_vampire> I have no idea how to even hold them in the tool post
[23:52:37] <andypugh> But that is because, for me, it;s what I could make rather than what I actually make. If you are less wierd, then make your own choices.
[23:53:59] <andypugh> pink_vampire: Lots of knurling tools. My advice? ignore or sell them.
[23:54:48] <andypugh> The tap wrenches are good, though,
[23:55:15] <pink_vampire> i'm asking out of curiosity, how they even connect to the lathe
[23:55:51] <andypugh> They just fit into the toolpost like any tool.
[23:57:40] <pink_vampire> but some of them are about 1" - 3/4" X less then 3/8" thick
[23:58:37] <andypugh> Yes, that would work in some lathes
[23:59:02] <andypugh> ANyway, I really need to be asleep
[23:59:09] <pink_vampire> they look almost like a shaper tools
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