#linuxcnc | Logs for 2014-07-04

[00:00:56] <CaptHindsight> cncformywife: what will you do with the results of computing the range of cutting forces?
[00:03:46] <CaptHindsight> cncformywife: have you looked at small mills that can easily handle engraving?
[00:05:40] <cncformywife> if i will know how much force i need to "push" the cutting bit in to the material, i will know how ridgid to make the machine
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[00:06:21] <cncformywife> yes, i look, in the internet and i go to several places,
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[00:08:01] <cncformywife> CaptHindsight: simple and small are not precise, small and precise are extremely expensive.
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[00:08:27] <cncformywife> CaptHindsight: you can help me?
[00:09:18] <CaptHindsight> http://www.kennametal.com/en/resources/calculators/end-milling-calculators/force-torque-and-power.html here's a calc for end milling, this will be more than what you'll see, but it's a good overestimate
[00:09:21] <CaptHindsight> bbl
[00:10:49] <cncformywife> bbl?
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[00:11:52] <cncformywife> i need the "End Mill Nomenclature" ?
[00:12:09] <cncformywife> or the "Machining Conditions"
[00:12:12] <cncformywife> CaptHindsight: ?
[00:16:01] <cncformywife> what is "Effective cutting diameter"
[00:16:17] <cncformywife> the diameter of the cutting bit?
[00:16:24] <cncformywife> help!!
[00:16:39] <jfigie> yes it is diameter of cutter
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[00:17:19] <jfigie> used to calculate cutter speed
[00:17:49] <cncformywife> 3/32" inch
[00:18:36] <jfigie> http://en.wikipedia.org/wiki/Speeds_and_feeds
[00:19:15] <cncformywife> jfigie: i need to find the side force that i need to "push" the bit.
[00:19:57] <jfigie> ok I don't know how to calculate that.
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[00:20:09] <jfigie> not too much for a 3/32 cutter
[00:20:16] <jfigie> force that is
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[00:20:31] <jfigie> of course it depends on the material and the cutting speed
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[00:21:14] <cncformywife> but i need it very very accurate in titanium
[00:21:33] <jfigie> and depth of cut
[00:21:53] <jfigie> and number of cutting teeth
[00:22:09] <zeeshan|2> theres 5 major parameters. depth of cut, feed rate, cutting speed, tool material, work piece material
[00:22:21] <zeeshan|2> but if you're trying to design only
[00:22:29] <zeeshan|2> you'll take worse case scenario for all of them
[00:22:43] <cncformywife> the depth is small 1 mm~
[00:22:43] <zeeshan|2> which is something you need to decide on :p
[00:23:01] <zeeshan|2> are you sure titanium is the only material you'l be cutting?
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[00:23:46] <cncformywife> gold, silver, brass, hard wood.
[00:23:55] <zeeshan|2> okay those arent really hard materials
[00:23:57] <mozmck> The smallest little engraving machine around would probably work. I think you need to worry more about spindle vibrations than side forces.
[00:24:03] <zeeshan|2> so i guess, titanium would be your worst case material
[00:24:19] <zeeshan|2> that gives you the variable 'surface feet per minute'
[00:24:22] <zeeshan|2> 50
[00:24:28] <zeeshan|2> er..
[00:24:31] <cncformywife> mozmck: NO! thay not accurate!!
[00:24:33] <zeeshan|2> actually i'd design for 200sfm.
[00:24:54] <cncformywife> you have a-lot of backlash
[00:25:00] <mozmck> you build it more accurate then.
[00:25:56] <cncformywife> the accurate machines start at 20K$
[00:26:00] <mozmck> use fine pitch, high quality ball screws, good quality linear ways and bearings etc.
[00:26:17] <zeeshan|2> you can have accurate lead screws
[00:26:29] <zeeshan|2> but tool deflection/machine deflection would suck
[00:26:29] <zeeshan|2> :p
[00:26:53] <jfigie> hmm it think you want your machine to be able to provide way more force than the minimum otherwise you will probalby have a hard time controlling the position and velocity
[00:27:20] <cncformywife> but what size of linear rails? and screw?
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[00:27:39] <zeeshan|2> cncformywife: it's not as simple as what size rails
[00:27:53] <zeeshan|2> you need to determine the worst case cutting force for your application
[00:28:08] <zeeshan|2> once you do that, you need to determine the type of geometric rail configuration you want
[00:28:14] <zeeshan|2> ie simple supported beams (typically)
[00:28:22] <zeeshan|2> from there you can use deflection of beams formulas
[00:28:29] <zeeshan|2> to determine the bead size / cross section
[00:28:31] <zeeshan|2> *beam
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[00:29:01] <cncformywife> titanium it the worst case.
[00:29:28] <cncformywife> now i design it in solidworks.
[00:29:50] <zeeshan|2> okay if youre gonna use fea
[00:29:55] <zeeshan|2> then you just need your cutting forces
[00:29:59] <jfigie> I think one way would be to have someone cut some titanium under your conditions and measure the motor current
[00:30:00] <zeeshan|2> and the 'worst case position'
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[00:30:22] <jfigie> then use the Kt of the motor to determine the torque applied
[00:30:41] <zeeshan|2> jfigie: that's exactly how they come up with material removal rates
[00:31:03] <zeeshan|2> it's more accurate just to have a load cell on the motor body
[00:31:11] <jfigie> sure
[00:31:12] <zeeshan|2> to determine the force, and you know the torque arm
[00:31:28] <cncformywife> jfigie: you run... slow... slow...
[00:31:47] <jfigie> load cell a bit harder for a hobbyist
[00:32:09] <zeeshan|2> if a load cell is hard
[00:32:20] <zeeshan|2> then you can make bracket
[00:32:25] <zeeshan|2> and put it on a digital bahtroom scale
[00:32:26] <zeeshan|2> :)
[00:33:27] <jfigie> sure but modifying a machine that already works with scale of load cell is a bit of work that is my point
[00:33:44] <jfigie> much easier to measure current
[00:33:53] <cncformywife> but how i can calculate the optimal force.
[00:34:02] <cncformywife> i can say 30 kg..
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[00:35:12] <zeeshan|2> cncformywife: someone already gave you the link
[00:35:15] <zeeshan|2> http://www.kennametal.com/en/resources/calculators/end-milling-calculators/force-torque-and-power.html
[00:35:20] <zeeshan|2> what size tool are you using?
[00:35:20] <cncformywife> yes it is make it.. but maybe 10 kg of force is enough?
[00:35:30] <cncformywife> 3/32"
[00:35:50] <zeeshan|2> how many flutes
[00:36:10] <cncformywife> 2-4
[00:37:22] <cncformywife> i dont know which is the worse case
[00:38:13] <cncformywife> what is the "Vc Cutting speed:"
[00:38:35] <cncformywife> i will say "the fastest..."
[00:39:07] <zeeshan|2> 200 sfm
[00:39:10] <zeeshan|2> put that
[00:39:13] <zeeshan|2> if using carbide
[00:39:14] <zeeshan|2> tool
[00:39:28] <cncformywife> ap Axial Depth of cut:?
[00:39:32] <zeeshan|2> brinell hardness for titanium is 334
[00:40:07] <jfigie> use 3/32 for axial depth
[00:40:08] <cncformywife> 40 HRC ~
[00:40:12] <zeeshan|2> look at the image on the top right
[00:40:17] <zeeshan|2> 0.039 for ap
[00:40:24] <zeeshan|2> and 0.0039 for ae
[00:40:27] <zeeshan|2> er 0.039..
[00:40:31] <cncformywife> 0.09375?
[00:40:35] <cncformywife> ok
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[00:40:45] <zeeshan|2> well you said you wanted to machine 1mm deep
[00:40:48] <zeeshan|2> thats 0.039"
[00:41:01] <jfigie> oh sorry 3/32 for radial width
[00:41:27] <zeeshan|2> im getting 20 lb
[00:41:31] <zeeshan|2> of force..
[00:41:35] <zeeshan|2> so i'd design for 3x that :P
[00:41:49] <cncformywife> Required feed per tooth?
[00:41:55] <zeeshan|2> 0.003
[00:42:14] <zeeshan|2> for titanium you should be between 0.003 to 0.010 with carbide
[00:42:24] <cncformywife> what is ? Cm Machinability factor
[00:42:41] <zeeshan|2> just put 1 for that
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[00:42:46] <zeeshan|2> same with tool wear factor
[00:42:49] <zeeshan|2> and machine efficiency factor
[00:43:04] <cncformywife> 1.0 1.20 1.4??
[00:43:19] <zeeshan|2> C_m, C_w, E should all be 1.
[00:43:24] <zeeshan|2> don't let them effect the end result
[00:43:39] <cncformywife> 1 is the worse?
[00:43:54] <zeeshan|2> 1 is unity, so shouldnt effect the final answer
[00:44:56] <zeeshan|2> you can set E to .9
[00:44:57] <zeeshan|2> if you want
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[00:45:40] <cncformywife> Pm at the motor:12hp ????
[00:45:45] <cncformywife> what??
[00:46:05] <cncformywife> 8.94839846 kilowatts
[00:46:38] <cncformywife> not make sense
[00:46:44] <zeeshan|2> put .9 for E
[00:46:49] <zeeshan|2> it'll fix it
[00:47:26] <cncformywife> Pm at the motor:0.13hp
[00:48:04] <zeeshan|2> sounds about right :p
[00:48:35] <cncformywife> 100W
[00:48:44] <cncformywife> yas!
[00:49:05] <cncformywife> Ft Tangential cutting force:20.04lb
[00:49:26] <cncformywife> this is the "side" force?
[00:49:38] <cncformywife> zeeshan|2: ?
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[01:08:54] <cncformywife> zeeshan|2: something really really weird - i change the "d1 Effective cutting diameter:" from 0.09 to 1
[01:09:09] <cncformywife> and i get less force!!
[01:09:15] <cncformywife> how??
[01:09:30] <jdh> you got a cnc for your wife?
[01:11:08] <Jymmm> jdh: Sure, just like you did =)
[01:11:35] <jdh> might be a nice trade. Guess it depends on the CNC
[01:12:20] <cncformywife> yes
[01:12:48] <jdh> are you happy with it? do you miss her?
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[01:13:48] <ssi> sounds like a good deal
[01:14:19] <jfigie> I would get a cnc for my wife and one for me too. Then I would have 3 machines
[01:14:24] <jfigie> 2 machines
[01:14:28] <cncformywife> she want and i'm make it.
[01:16:11] <cncformywife> back to the calculation..
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[01:17:51] <cncformywife> how come that i need less force with bigger cutting bit?
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[01:18:41] <jfigie> yes that is interesting but the feed rate and spindle speeds are much lower
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[01:20:11] <cncformywife> so it is make sense? or something wrong with this calc..
[01:22:05] <jfigie> metal removal rate is now much lower. But often with a larger dia tool you can increase the tooth load you kept it a .003
[01:24:21] <cncformywife> tool load?
[01:24:42] <cncformywife> Reduced feed per tooth:0.003in. (chip load at the cut)?
[01:24:52] <jfigie> tooth load = feed per tooth
[01:26:07] <jfigie> you could probably increase from .003 to .01 or more
[01:26:12] <cncformywife> but is you say 0.003 to 0.010 for titanium
[01:26:46] <cncformywife> i change it to 0.03
[01:27:13] <jfigie> I am just a hobby machinist so I don't really know how much you can go
[01:27:56] <cncformywife> but now in 1" i get Ft Tangential cutting force:43.778lb
[01:28:27] <cncformywife> and in 0.09" i get Ft Tangential cutting force:218.89lb
[01:28:48] <cncformywife> 10 times more!!
[01:28:53] <cncformywife> how???
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[01:29:24] <jfigie> you cant cut .09 per tooth. I think I can safely say that
[01:32:06] <McUles> Hi, hope you can help me. Im looking for a cam software which is running with OS X 10.10. Tried pycam, but is not compiling right in Yosemite :(
[01:32:54] -!- XXCoder [XXCoder!~XXCoder@c-24-19-85-77.hsd1.wa.comcast.net] has joined #linuxcnc
[01:33:43] <XXCoder> happy pre-july 4th
[01:34:44] <jdh> I'm hoping this storm is gone by the 4th
[01:35:04] <McUles> anyone has an idea?
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[01:35:30] <XXCoder> I do. wood glue printer
[01:35:36] <XXCoder> make wood objects
[01:35:56] <jdh> spider printer - print silk objects.
[01:36:32] <McUles> i need one for a milling machine
[01:36:56] <jdh> McUles: no clue on anything that runs natively in osx. Not cheap anyway
[01:37:06] <Jymmm> jdh: and hope your inkjets never escape!
[01:37:17] <XXCoder> lol
[01:37:23] <jdh> yeah, that woudl be creepy
[01:38:30] <jdh> McUles: meshcam perhaps?
[01:38:40] <Jymmm> Eh, had a nest hatch, around 100 or so I'd guess. they stick close to the nest at first. Bleach wiped em all out.
[01:39:02] <XXCoder> heh had fun with wd40 once
[01:39:03] <jdh> murderer
[01:39:18] <XXCoder> found a pretty big spider nest with lots tiny spiders near it
[01:39:20] <cncformywife> hehe. biosteel!
[01:39:30] <Jymmm> jdh: Come into my home uninvited... damn right
[01:39:30] <XXCoder> I sprayed wd40 all over, they slipped out lol
[01:39:46] <McUles> meshcam looks like a windows Software
[01:39:52] <Jymmm> jdh: 2, 4, 6, or 8 legged
[01:39:56] <XXCoder> funny to see them panic and keep trying to grasp and stay on web
[01:40:02] <cncformywife> http://www.amsilk.com/en/products/biosteel-spidersilk-fibers.html
[01:40:57] <cncformywife> jdh: ^
[01:42:45] <XXCoder> nice
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[01:57:51] <cncformywife> high rpm is better?
[01:58:37] <cncformywife> if instead of 18-30K RPM i will go with 150K RPM
[02:00:06] <cncformywife> i will need less rigidity?
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[02:17:51] <cncformywife> http://www.ebay.com/itm/Dental-Slow-Low-Speed-Handpiece-Contra-Angle-Air-Motor-Complete-kit-CX235F-M4-/181384450570?pt=LH_DefaultDomain_0&hash=item2a3b5b120a
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[02:23:27] <somenewguy> mcules heekscnc?
[02:23:35] <somenewguy> oooh missed him by that much
[02:23:39] amnesic is now known as amnesic_away
[02:24:46] <cncformywife> somenewguy: hi
[02:26:23] <somenewguy> howdey
[02:26:26] <somenewguy> howdy?
[02:26:32] <somenewguy> that looks better^
[02:28:50] zz_prtksxna is now known as prtksxna
[02:28:50] <cncformywife> somenewguy: you know about cnc machine
[02:28:56] <cncformywife> ?
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[02:34:06] <gkamysz> wow 150krpm
[02:35:18] <cncformywife> gkamysz: 150K is slow.. you can find 300K RPM also..
[02:35:51] <cncformywife> dremel is max 30K..
[02:35:53] <gkamysz> sure but what are you doing with it
[02:36:43] <cncformywife> i want to build cnc machine for my wife.
[02:37:01] <gkamysz> to cut what
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[02:37:10] <cncformywife> she need it for jewelry making.
[02:37:23] <gkamysz> what size endmills
[02:37:45] <cncformywife> like dental bits..
[02:37:48] <LeelooMinai> Probably tiny - unless it's jewelry for an elephant:)
[02:38:10] <gkamysz> ok, like 1mm or 0.1mm
[02:38:35] <cncformywife> the tip is tiny..
[02:39:16] <cncformywife> but the strait part (what go in to the collet) is 0.09 inch. 3/32
[02:39:37] <gkamysz> look at cutting tool mfg data for feed and speed
[02:39:45] <LeelooMinai> cncformywife: You could use something like proxxon rotary tool for the tool part
[02:39:46] <gkamysz> then determine how fast you need to run
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[02:40:22] <gkamysz> you minimal runout to run small tools effectively
[02:40:28] <LeelooMinai> It's pretty cheap - $50 or so I think, and can do 16k rpm
[02:40:43] <LeelooMinai> Has nice bearings and small runout
[02:40:51] <cncformywife> http://www.ebay.com/itm/2014-New-Portable-Dental-Turbine-Unit-handpiece-Compressor-4H-a-/181371587801?pt=LH_DefaultDomain_0&hash=item2a3a96ccd9
[02:40:56] <cncformywife> 79$
[02:41:03] <cncformywife> 150K RPM
[02:41:03] <gkamysz> how small, collets also have small runout
[02:41:46] <XXCoder> forgot how test runout - dial indictor on bit?
[02:41:46] <LeelooMinai> I have this oneL http://www.proxxon.com/us/micromot/38472.php?list
[02:41:46] <cncformywife> what is "runout"
[02:41:51] <XXCoder> smooth part of bit?
[02:41:57] <LeelooMinai> But they have many models
[02:42:12] <gkamysz> near the collet and also at the tip
[02:42:42] <LeelooMinai> http://www.proxxon.com/us/micromot/38481.php?list
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[02:42:47] <cncformywife> LeelooMinai: - it is not accurate enough!
[02:42:49] <LeelooMinai> They claim max runout 1 mil
[02:43:18] <gkamysz> so what is your machine accuracy going to be?
[02:43:27] <gkamysz> resolution?
[02:43:31] <LeelooMinai> cncformywife: You did not specify the needs
[02:43:38] <cncformywife> i need ability of 0.2 mm bit
[02:43:59] <cncformywife> with out brake it..
[02:44:00] <gkamysz> cutting metal?
[02:44:05] <LeelooMinai> cncformywife: And why do you think that rotary tool cannot handle that?
[02:44:15] <cncformywife> yes.
[02:45:02] <gkamysz> will dental turbine handle it?
[02:45:04] <LeelooMinai> You can put whatever tiny biots you have on it
[02:45:16] <cncformywife> the proxxon is not precise and too big..
[02:45:36] <cncformywife> i need 6" on 4" on 2"
[02:45:46] <LeelooMinai> Ok, but I don't understand how did you figure it's not precise...
[02:45:54] <LeelooMinai> It has only 1 mil runout
[02:45:56] <cncformywife> but precise..
[02:46:20] <cncformywife> what is "runout" ?
[02:46:42] <LeelooMinai> YOu don't know what runout is, but you know it's not precise enough - that's weird:)
[02:46:56] <gkamysz> runout needs ot be small, like 3-4 tenths max
[02:47:16] <gkamysz> .001 is huge for a 0.2mm cutter
[02:47:21] <zeeshan|2> shits gonna shatter
[02:47:24] <zeeshan|2> in a second lol
[02:47:26] <zeeshan|2> at 1 thou
[02:47:31] <XXCoder> I'm impressed with bosch at work, I hope thios bosch trim router will have very good stuff and low runout on my router
[02:47:34] <zeeshan|2> not even in a second!
[02:48:00] <XXCoder> that made me wonder. is class engravable?
[02:48:31] <gkamysz> you need a real spindle for that, something like Precise or Kavo
[02:48:42] <XXCoder> er Glass
[02:48:44] <LeelooMinai> Ok, so what is the target runout here - 5 μm or so?
[02:48:49] <zeeshan|2> XXCoder: yes it is
[02:48:58] <zeeshan|2> people use diamond tools to do that all thje time
[02:49:00] <XXCoder> delicate touch i bet
[02:49:07] <LeelooMinai> That may end up being expensive
[02:49:29] <gkamysz> yes
[02:49:59] <LeelooMinai> I iquoted that Proxxon tool because it's better then Dremel and similar brutal tools, but is still pretty cheap for hobbyist
[02:50:19] <LeelooMinai> I use it for pcb drilling
[02:50:22] <cncformywife> look here.
[02:50:24] <cncformywife> http://www.esslinger.com/tungstensteeltwistdrill.aspx
[02:50:34] <cncformywife> this are the bits.
[02:50:43] <LeelooMinai> With tiny carbide drills - some 0.3mm and it worked fine
[02:51:39] <LeelooMinai> Yes, I have somparable sized and did not break them
[02:51:46] <LeelooMinai> comparable
[02:52:06] <LeelooMinai> But I was just drilling. Not sure what would happen if you actually used mills
[02:52:12] <LeelooMinai> endmills that is
[02:53:01] <cncformywife> now she work with this
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[02:53:20] <XXCoder> can always buy cheapass "engraving" chinese cnmc
[02:53:39] <XXCoder> you'd have to rebuild it since those apparently is always crappily built but parts good
[02:53:49] <cncformywife> http://www.esslinger.com/foredom-2230-flex-shaft-rotary-jewelers-kit.aspx
[02:53:51] <XXCoder> gonnma run
[02:54:51] <cncformywife> the "ebay" engraver are junk.
[02:56:44] <cncformywife> i need to machine expensive metal. and the end mill will brake and destroy the work - it will be bad
[02:57:01] <zeeshan|2> cncformywife: then you should buy a machine
[02:57:02] <zeeshan|2> lol
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[02:57:22] <cncformywife> give me 20K$
[02:57:39] <zeeshan|2> you're kind of lost in how to design the machine
[02:57:40] <cncformywife> i have only 2K :-(
[02:57:41] <zeeshan|2> good luck
[02:58:11] <cncformywife> zeeshan|2: i heve an idea.
[02:58:18] <zeeshan|2> if i were you, i'd pick up a cheap chinese x-y router
[02:58:22] <zeeshan|2> replace the electronics and spindle
[02:58:27] <zeeshan|2> and it'll work decent
[02:58:59] <cncformywife> i see one of them work - for wood - fine.
[02:59:13] <zeeshan|2> yea but cutting titanium
[02:59:16] <zeeshan|2> and wood are compeltely on different levels
[02:59:20] <cncformywife> metal - forget about that.
[02:59:20] <zeeshan|2> almost uncomparable
[03:00:08] <cncformywife> and the machine itself is wobbly..
[03:00:22] <zeeshan|2> oh
[03:00:23] <LeelooMinai> cncformywife: Maybe this could do? Not CNC, but nice: http://www.proxxon.com/us/micromot/34104.php?list
[03:00:24] <zeeshan|2> then thats no good :p
[03:00:44] <zeeshan|2> cncformywife: we calculated earlier you need at most a machine
[03:00:50] <LeelooMinai> Or this: http://www.proxxon.com/us/micromot/34108.php?list
[03:00:54] <zeeshan|2> that doesnt deflect by more than 0.0003"
[03:01:00] <zeeshan|2> at a force of 40lb
[03:01:14] <zeeshan|2> you have all the parameters to know what machine to get
[03:01:15] <zeeshan|2> :P
[03:01:44] <cncformywife> how you calculate it??
[03:01:54] <zeeshan|2> we used that calculator?
[03:02:39] <zeeshan|2> if you truly want to design a machine with confidence you can go either 2 routes
[03:02:50] <zeeshan|2> 1. learn mechanics of materials and machine elements
[03:03:21] <zeeshan|2> 2. trial and error or by 'feel' and making it 3 times that size ;p
[03:03:52] <zeeshan|2> 3rd option
[03:04:01] <zeeshan|2> copy someone else's known working design
[03:04:02] <zeeshan|2> :p
[03:04:43] <zeeshan|2> LeelooMinai: how much is that micromill?
[03:04:46] <zeeshan|2> by proxxon
[03:04:58] <zeeshan|2> actually nm
[03:04:59] <LeelooMinai> I think $500 or so
[03:05:01] <zeeshan|2> the spindle speed is too slow
[03:05:05] <zeeshan|2> im looking for something of that form
[03:05:08] <zeeshan|2> but 30000 rpm spindle
[03:05:11] <cncformywife> i really impressed by the datron machine
[03:06:01] <cncformywife> but they sell expensive and big machines for what i need..
[03:06:35] <cncformywife> so, i think to "copy" datron machine but in small scale.
[03:07:24] <cncformywife> milling area of A5 size (half of A4 paper)
[03:07:46] <cncformywife> Z axis of 3-4 inch
[03:08:09] <cncformywife> so i can put mini 4 axis.
[03:10:05] <cncformywife> zeeshan|2: ?
[03:10:09] <tjtr33> unless you have better machines tools than the datron, you cannot build as good as datron. you loose in the replication. IMO i do not think you are up to it, maybe you can, but i suggest: look for used dead machines that are suitable and add a new linuxcnc control.
[03:10:38] <zeeshan|2> tjtr33: lol
[03:10:43] <zeeshan|2> you're a linuxcnc preacher!
[03:10:53] <tjtr33> sorry preach mode off
[03:10:55] <zeeshan|2> and reviver of the dead machines
[03:10:56] <cncformywife> i have linux cnc..
[03:10:58] <zeeshan|2> :-)
[03:11:43] <cncformywife> at the past i almost buy the small proxxon mini mill
[03:12:07] <cncformywife> but the lowww Z axis...
[03:12:39] <cncformywife> is too low..
[03:14:17] <cncformywife> not the X
[03:14:19] <cncformywife> the Y
[03:14:48] <cncformywife> only 1 point something, inch..
[03:15:18] <cncformywife> http://www.proxxontools.com/store/pc/viewPrd.asp?idproduct=63
[03:15:52] <LeelooMinai> 56mm
[03:15:56] <LeelooMinai> 46*
[03:16:36] <zeeshan|2> lol its 15.5 lb
[03:16:37] <zeeshan|2> cute!
[03:16:57] <cncformywife> yes.. but to small
[03:17:49] <cncformywife> if you want to make a belt for dress -opss to big or the machine..
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[03:19:14] <cncformywife> for*
[03:19:36] <cncformywife> zeeshan|2: LeelooMinai https://img0.etsystatic.com/020/0/6487621/il_340x270.492865062_lz4m.jpg
[03:19:55] <cncformywife> something like this size.. even bigger.
[03:20:26] <cncformywife> but in much much higher finish..
[03:22:13] <PetefromTn_> evening folks..
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[03:23:07] <cncformywife> PetefromTn_: ?
[03:24:11] <tjtr33> israel just doesnt have much in way of cnc dealers, much less a used market. look for a small deckel FP model or similar. goto a real machine shop if you can find one and look at and feel real machinery.
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[03:25:50] <tjtr33> google deckel fp1 and look at the pix
[03:26:02] <cncformywife> in israel you only find big used machine... 2-3 tons..
[03:26:53] <cncformywife> tjtr33: monster!!
[03:27:13] <tjtr33> http://www.ebay.com/sch/i.html?_mPrRngCbx=1&_nkw=DECKEL+FP1+UNIVERSAL+MILLING+MACHINE
[03:27:26] <tjtr33> 4000 usd and a real machine tool
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[03:28:38] <tjtr33> theres an aciera there too, better size for you, a very good machine brand for tiny stuffe
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[03:31:25] <cncformywife> http://marketing.datrondynamics.com/acton/attachment/6438/6438:f-0095/0/s-0101-1406/-/l-1830/l-1830:b/
[03:31:38] <zeeshan|2> tjtr33: you're in israel?
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[03:31:47] <tjtr33> nope Chicago
[03:31:59] <zeeshan|2> cause if you were, i'd say
[03:32:07] <zeeshan|2> 'can you please rob iscar and noga factories' for me
[03:32:07] <zeeshan|2> :)
[03:32:52] <cncformywife> iscar is close to my home :)
[03:34:00] <cncformywife> you can visit and get samples of defect cutting bits.
[03:34:59] <tjtr33> the used datron is for sales to US customer only
[03:35:50] <cncformywife> mmm i heve a filing..that is a bit above what i can pay..
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[03:38:43] <tjtr33> haha, email from taiwan just said "please take enjoy your holiday well and funny" ( my chinese is worse, he did pretty well )
[03:39:03] <cncformywife> http://02c9c5d.netsolhost.com/images/Engraving_Stainless_Steel/Engraved_Stainless_Steel.jpg
[03:39:03] <PetefromTn_> cncformywife yeah>
[03:39:55] <tjtr33> what are those called? you make the model for a coin _huge_ , then reduce it to actual size
[03:39:59] <cncformywife> do you think i can get this quality?
[03:40:47] <cncformywife> this is a demo from datron..
[03:41:19] <cncformywife> http://02c9c5d.netsolhost.com/Engraving_Stainless_Steel.htm
[03:42:20] <cncformywife> i want to reach to the same quality, but in smaller machine..
[03:48:00] <tjtr33> granite table, fine pitch magnetic vise, 80K spindle. and a damn stiff machine. you wanna build this ? consider designing and sending the files out to be made by someone with machines like that.
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[03:51:46] <tjtr33> ah yes, the master coins were 'galvanos' and were run on a 'Janvier' reducing lathe. making little coin dies from the huge master artwork
[03:52:25] <tjtr33> oops, made master hubs, that made master dies
[03:52:49] <cncformywife> tjtr33: granite table is not expensive, 80K spindle i think to use dental drill
[03:53:26] <tjtr33> dental drill have too much side play for cnc, it will break tools. dental tools are meant to held in hand, not in metal
[03:55:18] <cncformywife> and what about dremel?
[03:55:29] <tjtr33> go look at real machine tools, ask the shop owner to show you the basics. they are not 'wiggly' at all.
[03:55:57] <cncformywife> but they cost!!!!
[03:56:10] <tjtr33> hand held tool are meant to be held in hand, and the hand 'gives' and the hand 'feels' the cut. thats _not_ what cnc needs. cnc needs rigid, and exact speed control
[03:56:22] <cncformywife> and i need room for that...
[03:56:57] <cncformywife> dremel is good?
[03:57:15] <cncformywife> 175W motor :)
[03:57:34] <XXCoder> tjtr33: can alwaus do expoxy grinite
[03:57:41] <XXCoder> easy to shape and form apparenrlty
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[03:57:58] <cncformywife> what is expoxy grinite??
[03:58:24] <XXCoder> manmade granite
[03:58:26] <tjtr33> and embed linear rails in it ( still precision work )
[03:58:31] <XXCoder> I cant spell worth it
[03:58:50] <cncformywife> http://www.grizzly.com/search/search?q=Granite
[03:58:57] <cncformywife> 100$ max
[03:59:05] <tjtr33> sorry, there aint no free lunch. a dead used machine is your best bet for low cost and precision
[03:59:33] <cncformywife> roland..
[03:59:38] <XXCoder> make your own for arounf $300? Large money into it but you can make a LOT stuff
[03:59:54] <XXCoder> because its large batch. you cant do smaller
[04:01:15] <cncformywife> 300$ for what purpose?
[04:01:26] <cncformywife> XXCoder: ?
[04:01:48] <XXCoder> making your own grinite
[04:02:26] <XXCoder> cncformywife: http://www.hobby-machinist.com/showthread.php?t=14217
[04:02:34] <XXCoder> it wuld make very strong and stiff base
[04:05:20] <cncformywife> what about j-b weld 2 of this
[04:05:29] <XXCoder> http://s1147.photobucket.com/user/APr3t3nd3r/media/Southbend%209in/Epoxy%20Granite/GraniteMachineBase.jpg.html
[04:05:49] <XXCoder> epoxy granite machine base
[04:05:58] <cncformywife> http://www.grizzly.com/products/9-x-12-x-3-Granite-Surface-Plate-2-Ledges/G9650
[04:06:05] <tjtr33> good stiff cheap machine DIY http://en.wikipedia.org/wiki/Multimachine
[04:06:53] <cncformywife> but how you make it precice?
[04:07:11] <tjtr33> engine blocks are precision already
[04:07:16] <XXCoder> unknown to me
[04:08:25] <cncformywife> i need 90 deg of stiff base
[04:11:12] <cncformywife> but how i put rails in the granite?
[04:12:49] <XXCoder> embed before cure I would assume. you'd have to be VERY careful not to misalign it
[04:13:12] <XXCoder> or maybe embed holes for mounting? I never tried epoxy grinite thing so dunno
[04:13:27] <cncformywife> no no..
[04:13:46] <cncformywife> in alredy make granite
[04:14:01] <XXCoder> oh tap and drill holes I guess? no idea
[04:14:03] <cncformywife> jb-weld?
[04:14:16] <XXCoder> possibly, havent heard of jb weld
[04:14:16] <LeelooMinai> double-sided tape:)
[04:14:25] <cncformywife> he he
[04:15:24] <cncformywife> you make me laugh laud..
[04:16:15] <LeelooMinai> Ok, well, I am not sure if that's viable, but maybe drilling some hole-pockets, then using epoxy to embed some metal inserts with threaded holes?
[04:16:55] <LeelooMinai> Probably with some special drills - diamond coated or who knows what (?)
[04:17:53] <tjtr33> ask Valen when he's around, he made epoxy granite head
[04:18:16] <cncformywife> i try to google it.. but cant stop laugh.. (double-sided tape)
[04:18:17] <tjtr33> http://www.cnczone.com/forums/general-metal-working-machines/118358-phenolic-basalt-head-hm45.html
[04:19:49] <cncformywife> he put inserts..
[04:21:06] <cncformywife> http://www.grizzly.com/products/Glass-Granite-Drilling-Set-12-pc-/T10538
[04:21:11] <XXCoder> whats so annoying is that MANY cnc plans need a cnc!!
[04:21:46] <cncformywife> yep.. i hate it too
[04:22:13] <XXCoder> "first, pull a cnc out of your ass..."
[04:22:26] <cncformywife> he he...
[04:22:32] <XXCoder> "step 2: make parts for your cnc with your cnc!"
[04:22:37] <cncformywife> omg.. here is morning.
[04:23:01] <cncformywife> i make everyone wakeup..
[04:23:08] <XXCoder> 9:23 pm here
[04:23:25] <cncformywife> 7:23 Am
[04:24:09] <XXCoder> "Named the wife pleaser 9000"
[04:24:20] <XXCoder> http://www.vapourforge.com/cnczone/hm45/PB_Head/casting_and_releasing/casting/wife_pleaser_9000.jpg
[04:24:40] <cncformywife> WTF?
[04:25:01] <XXCoder> its to settle epoxy grinite
[04:26:05] <cncformywife> mmm i go to my wife.. darling i need the pink stuff that you have ... it's for the cnc...
[04:26:11] <XXCoder> lol
[04:26:25] <cncformywife> http://www.vapourforge.com/cnczone/hm45/PB_Head/casting_and_releasing/casting/wife_pleaser_9000.jpg
[04:27:15] <cncformywife> i cant stop laugh
[04:27:29] <cncformywife> i have tears..
[04:27:49] <XXCoder> :)
[04:28:33] <cncformywife> what rail are good?
[04:28:48] <XXCoder> train rails
[04:28:52] <XXCoder> seriously dunno
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[04:31:46] <XXCoder> this is interesying https://www.youtube.com/watch?v=yCaGW9z4blM
[04:32:10] <cncformywife> junk!
[04:32:14] <XXCoder> it is
[04:32:21] <XXCoder> but good enough for little fun
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[04:33:32] <cncformywife> but junk..
[04:33:44] <XXCoder> definitely not for precision work lol
[04:34:06] <XXCoder> and wood only
[04:34:19] <cncformywife> or plastic..
[04:34:55] <cncformywife> do you think the rail from ebay are good?
[04:35:09] <XXCoder> I'm completeky wrong guy to ask
[04:36:21] <cncformywife> why?
[04:36:46] <XXCoder> not skilled in cnc besides just operating em
[04:36:56] <XXCoder> I have most parts of one cnc but have not built it yet
[04:37:48] <cncformywife> http://www.ebay.com/itm/12mm-linear-slide-guide-shaft-SBR12-330mm-2-rail-4-SBR12UU-bearing-block-CNC-set-/161194722809?pt=BI_Heavy_Equipment_Parts&hash=item2587f445f9
[04:38:05] <XXCoder> jewelery right?
[04:38:16] <cncformywife> yes..
[04:38:29] <XXCoder> 330 mm that is bit longer than a foot
[04:38:43] <cncformywife> yes..
[04:39:05] <cncformywife> but you have only half usable..
[04:39:18] <XXCoder> this seller has many better deals but expect shitty quality
[04:39:27] <XXCoder> I had to clean metal stuff out of my bearing blocks.
[04:39:42] <XXCoder> http://www.ebay.com/usr/linearmotionbearings2008?_trksid=p2047675.l2559
[04:40:46] <cncformywife> and i see THK rails..
[04:40:55] <cncformywife> what is better?
[04:41:06] <XXCoder> sbr is cheaper
[04:41:33] <cncformywife> and the sbr is presice?
[04:41:37] <XXCoder> probably less precise? but from what I see it is precise enough for some applications
[04:41:49] <XXCoder> ICH would know but he wont be on for some more hours
[04:43:03] <cncformywife> how i connect the granite x & y to the blocks?
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[04:44:07] <XXCoder> bolts though holes in granite?
[04:44:48] <cncformywife> 3 intch granite...
[04:44:56] <cncformywife> inch*
[04:45:10] <XXCoder> yeah good question lol
[04:45:35] <cncformywife> jb-weld..
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[07:12:44] <Deejay> moin
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[07:30:09] <Loetmichel> cncformywife: oversized TC drill bit, 2k epoxy, threaded b-> done ;-)olts or dowels with metric inner thread
[07:30:17] <Loetmichel> ups
[07:30:39] <Loetmichel> cncformywife: oversized TC drill bit, 2k epoxy, threaded bolts or dowels with metric inner thread -> done ;-)
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[07:32:14] <SpeedEvil> It's common to grease the thread, put on two nuts, and add epoxy.
[07:33:16] <SpeedEvil> you put the first nut on a bit proud of the surface, so torquing down the matching fitting doesn't load the granite
[07:35:07] <RyanS> Is this for using granite as a machine base?
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[07:44:07] <Loetmichel> if i understoof cncformywife correctly: tor the granite beam that makes the gantry of a granite based machine ;-)
[07:44:18] <Loetmichel> to mount the SBr
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[07:53:13] <cncformywife> Loetmichel: i'm here :)
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[07:54:46] <cncformywife> what about countertop granite?
[07:56:38] <Loetmichel> you asked how to mount rails on a granite beam, didnt you?
[08:00:18] <RyanS> What would be cheaper to acquire a slab of granite or cast iron and, although I guess you need access to a vertical milling machine to machine cast-iron
[08:01:08] <SpeedEvil> Cast iron is more expensive than countertops
[08:01:27] * SpeedEvil wonders again about casting yourself.
[08:01:33] <SpeedEvil> (iron, not granite)
[08:02:23] <SpeedEvil> http://www.granitek.co.uk/ - interesting
[08:02:33] <SpeedEvil> 'As with ordinary concrete polymer concrete can be moulded into any shape or form in its pre-set state. When cured polymer concrete is much harder than conventional concrete and exhibits all of the material properties of hard granite.
[08:02:34] <RyanS> and countertops are flat enough?
[08:02:36] <Loetmichel> casting iron yourself is not without dangers
[08:03:34] <RyanS> you want to make a casting of yourself ? :P
[08:03:37] <SpeedEvil> Loetmichel: Well, no.
[08:03:43] <Loetmichel> especially when you intent to cast a machine base, with needs more than a few 100 grams of iron ;-)
[08:03:47] <SpeedEvil> RyanS: Who doesn't want a life-size statue of themself?
[08:04:01] <SpeedEvil> RyanS: On every streetcorner.
[08:04:10] <RyanS> Apparently there is a museum with bronze castings of genitals
[08:04:31] <cncformywife> how this thing work??
[08:04:33] <cncformywife> http://www.youtube.com/watch?v=Ppjz26BM1KQ
[08:05:35] <RyanS> Is the CNC actually for your wife or that a convenient way to justify the expense? :)
[08:06:38] <cncformywife> for my wife
[08:07:35] <cncformywife> she make jewelry and accessories
[08:07:55] <SpeedEvil> CNC jewlery seems kind-of-cheating
[08:08:23] <RyanS> Your wife sounds awesome, :) who doesn't want a wife and uses CNC
[08:08:42] <cncformywife> so i want small and precise cnc
[08:09:14] <cncformywife> now she work manualy and she has mor
[08:09:32] <cncformywife> more tools then me
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[08:10:12] <cncformywife> but i'm open the jars :-)
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[08:10:39] <RyanS> with a robotic arm
[08:11:13] <sivu_> i made my wife a ring from bronze with a lathe
[08:11:21] <SpeedEvil> I kinda want a nice 5 axis or more micromanipulator.
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[08:11:35] <sivu_> she complained a bit when i bought the lathe but when i presented her a ring i made myself, the lathe was instantly justified
[08:11:47] <cncformywife> http://www.youtube.com/watch?v=wvpcsDQ-Jtw
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[08:12:28] <cncformywife> RyanS: ^^
[08:12:38] <sivu_> also building a cnc mill was ok when i said we need one to engrave the welcome plate to the door
[08:13:23] <cncformywife> the cnc was her idea
[08:13:58] <cncformywife> she start with solidworks..
[08:14:01] <RyanS> I think I better purchase a CNC before I get into any sort of relationship " Sorry, it's too late"
[08:14:19] <cncformywife> i'm only the builder
[08:15:51] <cncformywife> "Sorry, it's two lathes"
[08:15:58] <RyanS> if I was a woman, I would want to be married to you
[08:16:34] <sivu_> now that i have a cnc router, i will start building a new one
[08:16:39] <cncformywife> it's fine i'm bisexual :)
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[08:16:57] <RyanS> Okay, let's get married
[08:17:25] <RyanS> And you can build me CNC
[08:17:59] <RyanS> I am in Australia, we are to backward to allow
[08:18:34] <cncformywife> ok i will ask my wife about that :)
[08:18:53] <RyanS> Sure no hurry :P
[08:19:24] <cncformywife> she say NO!!!
[08:19:34] <gonzo_> or run away with his wife, you could win half a cnc machine in the settlement
[08:19:59] <RyanS> That's okay, just thought I would ask
[08:20:25] <cncformywife> you need 4 axis to do it equal :(
[08:21:02] <RyanS> No no no, five axis minimum
[08:21:19] <cncformywife> 5 it's not the max?
[08:21:24] <SpeedEvil> RyanS: that's $100 or so
[08:21:36] <SpeedEvil> https://www.youtube.com/watch?v=N1HNnDdHygo - $20 axes.
[08:21:39] <cncformywife> 100$??
[08:22:43] <cncformywife> SpeedEvil: yes, it's multi direction milling.
[08:23:18] <RyanS> Axe murderer
[08:28:14] <RyanS> 5C or ER32, of for work holding? I don't want to have to stock two types, if possible. ER 32 would be economical solution
[08:29:07] <cncformywife> what spindle you have?
[08:31:10] <RyanS> I was more referring to. If I get a milling machine, I'm thinking of 4 axis. And you can go ER32 or 5C
[08:33:56] <cncformywife> i think 5c have drowbar
[08:34:04] <cncformywife> and ER32 not,
[08:34:51] <cncformywife> if you have drowbar you can make power drowbar and have ATC.
[08:37:32] <cncformywife> RyanS: ^
[08:37:43] <cncformywife> what machine do you want?
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[08:43:39] <cncformywife> the SBR12UU have backlash?
[08:43:49] <RyanS> tormach 770, I don't have time or skills to build or convert
[08:46:23] <RyanS> I could be totally mistaken, but 4 axis would perhaps save the setup time?
[08:46:48] <cncformywife> i'm almost buy the 1100
[08:47:01] <cncformywife> but i see it is stepper.
[08:47:52] <Loetmichel> cncformywife: how can a linear way have bnacklash?
[08:47:59] <RyanS> Two large for me. But apparently if you don't machine large parts, which are usually don't. 10,000 RPM is going to machine some things quicker
[08:48:07] <SpeedEvil> Loetmichel: Some machine makers are very skilled
[08:48:07] <Loetmichel> that is something a ballscrew has or hasnt
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[08:48:41] <Loetmichel> a linear way can tilt or rattle... but backlash?
[08:49:14] <Loetmichel> that is reserved for the leadscrews ;-9
[08:49:19] <SpeedEvil> 'Butterways, we supply everything with backlash! Including bolts!'
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[08:50:31] <cncformywife> move to the side.. be wobble
[08:50:39] <RyanS> How to multitasking lathes index the spindle. As far as I understand they use direct drive induction motor? I guess they have a stepper motor and automated gearbox? couple to the spindle
[08:51:06] <SpeedEvil> you can in principle use an induction motor at zero speed to provide torque
[08:51:45] <SpeedEvil> you'd need some form of feedback of course, and a stepper might be easier
[08:51:46] <cncformywife> so the SBR12UU have backlash? ?
[08:52:39] <RyanS> Because the videos I see they run up to full speed all the way down to like five rpm, and presumably don't backdrive
[08:52:51] <cncformywife> for mor than 15$ i want servo, thay give you rotory table for 4.5K$ and for 8K$ stepper CNC
[08:53:29] <cncformywife> rotory table is max 500$ + motor + conroler = 1000$ maX
[08:53:32] <RyanS> actually well servo motor is simply an induction motor connected to a gearbox and a controller?
[08:54:02] <RyanS> I'm thinking like those multitasking milling/turning centres
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[08:54:34] <cncformywife> this is how i think too.
[08:54:53] <RyanS> And 300 hours of man hours to build it.....
[08:55:14] <cncformywife> from granite!
[08:55:16] <RyanS> Personhours
[08:55:27] <SpeedEvil> beinghours
[08:55:45] <SpeedEvil> On the internet, nobody knows you're a walrus trying to build a CNC
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[08:56:06] <cncformywife> 300*20$=6000$
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[08:56:49] <cncformywife> 300/40= 7.5 monts
[08:57:35] <RyanS> I don't know how long it takes I was just assuming
[08:57:40] <cncformywife> but i dont have a job :( :( :(
[08:58:10] <cncformywife> how long take waht?
[08:58:13] <RyanS> I just guess you have to be into doing it
[08:58:20] <RyanS> To build a CNC
[08:59:30] <RyanS> I do want to build lathe, it seems to be more straightforward to me
[08:59:32] <cncformywife> i want something good for the price. the 1100 is very good but not for the price.
[09:00:20] <cncformywife> the forces on lathe is extremely high
[09:00:33] <cncformywife> if you want to machine metal.
[09:00:34] <RyanS> Unfortunately, I think it's the cheapest option if you want something that works, :(
[09:00:58] <RyanS> I'm not sure about that, . I thought they are more efficient than milling
[09:01:34] <cncformywife> i have bad experiance with the HF lathe.
[09:01:45] <cncformywife> it was 450$
[09:01:54] <cncformywife> but pure crap
[09:02:07] <RyanS> I think that would be the really small
[09:02:50] <cncformywife> i try to machine wood - work. metal - stuff start move.. bad bad finish.
[09:03:17] <RyanS> We have 150 mm 550 mm, 750w. It's actually not too bad, we can cut about 2 mm in stainless steel
[09:03:21] <cncformywife> i retaen it after few days
[09:03:35] <RyanS> sorry 350
[09:03:56] <RyanS> and 550 w
[09:03:59] <cncformywife> 2mm steel? in dia?
[09:04:18] <RyanS> depth of cut
[09:04:24] <cncformywife> hoooo
[09:04:29] <cncformywife> i see,,
[09:04:47] <cncformywife> in the HF 0.1 and you kill the machine...
[09:05:20] <RyanS> And can do 3 mm in mild steel acceptably, but three is a bit too much for stainless, it will tolerate it. Okay, but not brilliant
[09:05:25] <cncformywife> maybe for brass is good.. i havent try..
[09:05:50] <RyanS> Strangely, we don't seem to and get a lot more than three out of aluminium
[09:08:51] <RyanS> I can't believe how much brass chips spray all over the place
[09:53:53] * Loetmichel is just milling a new computer connector backplate out of 3mm aluminium... tha speaker grill took a while... http://youtu.be/BWTTP0RomA0
[09:57:09] <Loetmichel> *aaand done: http://www.cyrom.org/palbum/main.php?g2_itemId=15002
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[10:12:18] <TekniQue> Loetmichel: neat
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[11:36:06] <jthornton> I get a lot of burs on the far side when drilling thin materials... I wonder if my feed is too fast
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[12:11:19] <SpeedEvil> Backer board is an answer
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[12:35:28] <jthornton> the thin material just lifts up...
[12:46:03] <SpeedEvil> Clamp it down.
[12:46:09] <SpeedEvil> Or use vacuum
[12:46:14] <SpeedEvil> Or a top board
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[14:06:46] <JesusAlos> hi
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[14:22:33] <Loetmichel> sooo, it starts to take form... a few things to fix with screw, a few cables to build/sort out, a frontflap with lock, a lid-> done ;-) -> http://www.cyrom.org/palbum/main.php?g2_itemId=15005
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[14:26:34] <jdh> how do you test these?
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[14:34:22] <Loetmichel> jdh: in a measurement chamber
[14:35:47] <jdh> bah... the other half of my 6040 is 100 mile away but I can't get it until monday
[14:36:18] <XXCoder> heys
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[15:35:51] <CaptHindsight> if you need the granite base to insure sub-micron accuracy while engraving, then I'd suggest the Rockwell air bearing linear servo positioners to go with it
[15:37:08] <CaptHindsight> sounds like very precision engraving for jewelry
[15:37:21] <XXCoder> maybe
[15:37:30] <JesusAlos> by
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[15:42:23] <CaptHindsight> sounds like shenanigans, I wonder what he's really up to
[15:43:13] <XXCoder> dunno but did you see the crappy lathe video I linked?
[15:43:31] <CaptHindsight> was the lathe or the video crappy?
[15:44:35] <XXCoder> kinda both lol but surpising effective lathe for drill and screws type
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[16:37:24] <IchGuckLive> hi all B)
[16:37:55] <IchGuckLive> happy 4th juli to the USA hope nowone is under the bad weather influence
[16:38:09] <IchGuckLive> Hurricane Dust storm
[16:38:25] <IchGuckLive> what a miss on holiday
[16:38:37] <jdh> lots of rain here but the storm was gone by midnight
[16:39:28] <IchGuckLive> here its building up after a near Sahara like DAY no thunder till now
[16:39:40] <IchGuckLive> but realy dark clouds and some rain
[16:40:44] <XXCoder> hey ich
[16:40:48] <IchGuckLive> RyanS: you shoudt have told cncformywife that a moldmaker for cakes can earn alot of money
[16:40:56] <XXCoder> you ever played with epoxy grtinite?
[16:41:18] <IchGuckLive> only to cote Foam
[16:42:27] <SpeedEvil> XXCoder: I linked that before
[16:42:43] <XXCoder> the el cheapo wood lathe?
[16:42:45] <SpeedEvil> http://www.granitek.co.uk/highAccuracy.html
[16:42:52] <XXCoder> oh that.
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[16:44:16] <IchGuckLive> XXCoder: what is the goal to be met by your mold stuff
[16:44:27] <IchGuckLive> Garden figur
[16:44:37] <IchGuckLive> Stone imitates
[16:44:40] <XXCoder> none, was just checking into it for fun
[16:44:48] <IchGuckLive> ah
[16:45:02] <XXCoder> other was considering it for his wife's jewelery cnc
[16:45:37] <syyl_ws_> our new vmc has epoxy granite parts...
[16:46:03] <IchGuckLive> there are so many concrete mills out now
[16:46:18] <IchGuckLive> with fiber incredians
[16:46:28] <IchGuckLive> they dont shake at all
[16:46:47] <IchGuckLive> See HERMLE C type
[16:46:51] <syyl_ws_> in the imagination of the engineer
[16:47:00] <syyl_ws_> the machinist will shake the crap out of it.
[16:47:10] <IchGuckLive> oh now its real at full load
[16:47:13] <ssi> never shake a baby
[16:47:15] <ssi> or a mill
[16:48:27] <syyl_ws_> ever helical interpolatet a small hole with to much feed? ;)
[16:51:47] <IchGuckLive> lots of rain moving towards loedmiches position http://www.wetter.com/wetter_aktuell/niederschlagsradar/deutschland/
[16:52:16] <syyl_ws_> this just got #linuxweather
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[16:52:43] <DaViruz> lets build an open source weather control sustem
[16:53:08] <IchGuckLive> DaViruz: lots of out
[16:53:13] <IchGuckLive> worldwide
[16:53:14] <ssi> beautiful here... scattered 5000' or so, visibility unlimited
[16:53:19] <ssi> cause america ;)
[16:53:51] <DaViruz> we've jad unlimited rain the past two weeks
[16:54:04] <DaViruz> probably because i'm on vacation
[16:54:05] <IchGuckLive> the sun shines at any time somwhere on the globe
[16:54:27] <IchGuckLive> vacation is bad on weathere
[16:54:39] <IchGuckLive> you always pick the wrong point or date
[16:55:49] <DaViruz> i didn't get what i picked. pretty sure the weather will be awesome on the days i picked
[16:56:32] <IchGuckLive> oh the firerwork is canceld true to thunderstorm activety but the C17 and C5 comming in here as usuael
[16:58:16] <ssi> gonna get a ride? :P
[16:58:27] <IchGuckLive> on a cycle O.O
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[17:15:26] <cncformywife> hi
[17:15:53] <cncformywife> where i can find 1"X2" brass?
[17:16:31] <ssi> I buy stuff like that from mcmaster-carr
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[17:17:56] <IchGuckLive> hi cncformywife
[17:18:20] <IchGuckLive> where are you in our still blue world im in germany
[17:19:05] <IchGuckLive> you shoiudt make cake moldes female love this stuff and or choclate bar Aluminium fun stuff
[17:21:35] amnesic_away is now known as amnesic
[17:21:57] <ssi> https://www.youtube.com/watch?v=HN1xSIgnwDA
[17:22:08] <cncformywife> in usa
[17:23:19] <cncformywife> ssi: you need cnc for making this rail for the cnc
[17:24:16] <ssi> nah, that could be made by hand
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[17:25:10] <IchGuckLive> cncformywife: is you budget as low as 450USD
[17:25:30] <cncformywife> ~
[17:25:45] <cncformywife> where i can find 1"X2" brass? in the usa??
[17:25:51] <IchGuckLive> reading the lgs as loged tonight
[17:26:15] <IchGuckLive> cncformywife: your local stel shop
[17:26:21] <IchGuckLive> steel
[17:26:33] <IchGuckLive> he also knows where to by NE
[17:26:37] <archivist> steel shops do not sell brass!
[17:26:59] <jdh> cncformywife: http://www.onlinemetals.com/merchant.cfm?pid=1517&step=4&showunits=inches&id=1296&top_cat=79
[17:27:34] <IchGuckLive> Homedepo got also nice brass sorts in stock
[17:27:47] <jdh> not that big
[17:27:50] <cncformywife> i want to make nut.
[17:27:52] <IchGuckLive> agree
[17:28:13] <jdh> I'd look on ebay for that small
[17:28:30] <archivist> you buy hex drawn bar for nuts
[17:28:30] <cncformywife> 70$
[17:28:32] <cncformywife> WOW
[17:28:43] <cncformywife> HALF of my CNC
[17:28:47] <cncformywife> OMG
[17:28:52] <IchGuckLive> cooper is expensive this time so brass will aso be
[17:29:08] <cncformywife> what about bonze ?
[17:29:28] <IchGuckLive> even more
[17:29:37] <IchGuckLive> what is it for
[17:29:49] <cncformywife> nut
[17:30:08] <IchGuckLive> why not use a ACME cheep one
[17:30:18] <IchGuckLive> or ready made
[17:30:26] <cncformywife> what is ACME??
[17:30:31] <IchGuckLive> the TR are real cheep
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[17:31:29] <cncformywife> what about plastic?
[17:31:31] <IchGuckLive> AcetylCarbonMeateEther
[17:31:38] <IchGuckLive> ACME is it
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[17:31:55] <IchGuckLive> PA also got cheep in TR stuff
[17:32:04] <IchGuckLive> i got them in y Foam masgines
[17:32:12] <IchGuckLive> PA6.6
[17:32:44] <cncformywife> PTFE is good?
[17:33:07] * jthornton goes to see the Nitty Gritty Dirt band... I assume they are as old a dirt now
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[17:33:36] <IchGuckLive> PolyTetraFlurEtylen ZEFLON
[17:33:39] <IchGuckLive> T
[17:33:59] <IchGuckLive> Teflon is the user nale here in Europ
[17:34:25] <Jymmm> jthornton: Walkers and wheelchairs!
[17:35:02] <jdh> for the audience or the band?
[17:35:30] <Jymmm> jdh: Yes
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[17:36:02] <IchGuckLive> cncformywife: what thread you got on your axis spindles
[17:37:08] <IchGuckLive> as you try to stay cheep go to the local hardware store and ask for Kitchen Catalog they got plenty of stuff for CNC makers
[17:37:37] <IchGuckLive> also Driven spindles for moving TV platforms
[17:37:54] <Jymmm> Oh, their really not THAT old, just sounding more country than folksong
[17:37:55] <IchGuckLive> so as Eelctronic Storiges for Tins
[17:38:22] <Jymmm> https://www.youtube.com/watch?v=5B7HsJo-bcc&feature=kp
[17:38:28] <IchGuckLive> at 10USD you got stuff at 3feet long
[17:38:57] <IchGuckLive> spindle nut and holders
[17:39:10] <kfoltman> cncformywife? what kind of nick is THAT :O
[17:39:26] <kfoltman> (probably better than 'mycncwife' though)
[17:39:36] <IchGuckLive> kfoltman: the last standof !
[17:39:54] <kfoltman> IchGuckLive: brass M3 hexagonal one?
[17:40:37] <IchGuckLive> O.O in the kitchen that tiny no way
[17:41:07] <SpeedEvil> IchGuckLive: Who needs ways, when you have full extension drawer slides?
[17:41:24] <kfoltman> IchGuckLive: I'm talking about this https://www.google.com/search?q=brass+standoff&client=iceweasel-a&rls=org.mozilla:en-US:unofficial&tbm=isch
[17:41:26] <IchGuckLive> You got it
[17:42:00] <kfoltman> SpeedEvil: you can have my crappy linear rails when you pry them out of my cold, dead CNC machine
[17:42:13] <IchGuckLive> by the Way the new 14.10 HeekscadCNC version is out
[17:43:12] <ssi> adafruit sells 15mm profile rail relatively cheap now
[17:43:12] <ssi> https://www.adafruit.com/products/1861
[17:43:18] <cncformywife> wood nut wiil work?
[17:43:32] <cncformywife> i want to use this threded rod
[17:43:39] <kfoltman> ssi: it's probably not the rail that's a problem, it's carriages
[17:43:42] <IchGuckLive> id build tomorrow a new version CNC with the cheep CH V-Shape bearings i owned 20pc at 15USD lets see how it comes out on just Sqare precise steel
[17:43:48] <ssi> they have carriages too
[17:44:05] <cncformywife> http://www.lowes.com/pd_44610-37672-11028.0_0__?productId=3128773&Ntt=threaded+rod&pl=1&currentURL=%3FNtt%3Dthreaded%2Brod&facetInfo=
[17:44:05] <ssi> I dunno what the quality's like
[17:44:11] <ssi> but for the price it might be worth finding out
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[17:45:42] <cncformywife> it will work for lead screw?
[17:45:57] <IchGuckLive> no way
[17:46:03] <SpeedEvil> cncformywife: yes.
[17:46:07] <SpeedEvil> With extreme caveats.
[17:46:10] <kfoltman> cncformywife: it will work for the first 5 seconds ;)
[17:46:14] <SpeedEvil> To the point that in many cases, it may be no
[17:46:15] <kfoltman> and not very well
[17:46:33] <IchGuckLive> not even close to a look for CNC stuff
[17:46:38] <SpeedEvil> I have wondered how long rolled SS allthread would last - if kept sell lubricated
[17:46:42] <SpeedEvil> well
[17:46:43] <IchGuckLive> dont they got Trapezional
[17:47:07] <kfoltman> SpeedEvil: I have some zinc-plated allthreads, they're truly awful
[17:47:11] <IchGuckLive> im off BYE
[17:47:15] <SpeedEvil> kfoltman: yeah - zinc plated is failure
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[17:47:16] <kfoltman> SpeedEvil: that's all I can get in Ireland
[17:47:30] <XXCoder> order online?
[17:47:46] <Loetmichel> get a fitting thread gutter adn cut the zinc off
[17:47:50] <Loetmichel> cutter
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[17:49:00] <SpeedEvil> Loetmichel: sulphutic acid
[17:49:15] <Loetmichel> will eat the steel
[17:49:38] <ssi> http://www.mcmaster.com/#99030a105/=soy8xg
[17:49:42] <SpeedEvil> not fast
[17:50:25] <SpeedEvil> http://www.orbitalfasteners.co.uk/en/products/m10x1m-stainless-steel-studding-threaded-rod-a2-304-din-975-
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[17:51:51] <syyl_ws_> citric acid will remove the zink
[17:52:00] <syyl_ws_> and stainless will gall
[17:52:18] <cncformywife> http://www.lowes.com/pd_142075-37672-881653_0__?productId=3013471&Ntt=coupling+nut+13&Ns=p_product_price|0&pl=1&currentURL=%3FNs%3Dp_product_price%7C0%26Ntt%3Dcoupling%2Bnut%2B13%26page%3D1&facetInfo=
[17:52:19] <SpeedEvil> If you use stainless nuts
[17:52:48] <Jymmm> THIS IS AWESOME... http://www.liveleak.com/view?i=96b_1372272476&comments=1
[17:52:51] <syyl_ws_> right
[17:53:02] <cncformywife> stainless nuts is good?
[17:53:04] <Jymmm> Read the comments too, funny!
[17:53:12] <syyl_ws_> no
[17:53:20] <syyl_ws_> worst combination, cncformywife
[17:54:15] <cncformywife> so what to use?
[17:54:29] <syyl_ws_> brass, bronce or plastic
[17:54:30] <cncformywife> plain steel?
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[17:57:07] <cncformywife> cant find
[17:58:04] <cncformywife> what is the problem with regular steel?
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[18:00:03] <cncformywife> what about tapping fake wood?
[18:00:37] <SpeedEvil> The problem is that the thread is not designed for use as leadscrews.
[18:01:42] <cncformywife> where i can find leadscrews?
[18:01:50] <SpeedEvil> Depending on what sort of allthread, one or more of: Nonlinear screw pitch, roughness leading to wear, bent screw, wrong material may cause problems
[18:02:11] <SpeedEvil> http://www.ebay.co.uk/itm/TR12x3Dx1000mm-Trapezoidal-Acme-Ballscrew-Leadscrew-/310192798942?pt=UK_BOI_Metalworking_Milling_Welding_Metalworking_Supplies_ET&hash=item4838ee7cde
[18:02:49] <SpeedEvil> https://en.wikipedia.org/wiki/Trapezoidal_thread_forms
[18:03:40] <cncformywife> how it connect to the motor??
[18:03:54] <SpeedEvil> Generally, blutak
[18:04:37] <cncformywife> what is blutak?
[18:04:59] <cncformywife> http://en.wikipedia.org/wiki/Blu-Tack
[18:05:11] <cncformywife> it is like epoxy?
[18:07:56] <Jymmm> poster putty
[18:09:21] <Jymmm> Here's a project for you woodworkers... https://www.youtube.com/watch?v=xg1J3tdfUFY
[18:09:34] <kfoltman> SpeedEvil: heh, I don't know how much torque can blue tack transfer, but... not enough :D
[18:09:53] <kfoltman> SpeedEvil: how about chewing gum?
[18:09:58] <kfoltman> would chewing gum work?
[18:10:11] <Jymmm> kfoltman: gum dries out, post putty doesn't =)
[18:10:16] <Jymmm> poster*
[18:10:47] <Jymmm> kfoltman: 5, 10 years later and you can still use the stuff =)
[18:10:53] <SpeedEvil> More seriously, a coupler of some form.
[18:11:04] <SpeedEvil> http://www.ebay.co.uk/itm/TR10x4-P2D-Multi-Start-Trapezoidal-Leadscrew-Spindle-500mm-Nut-KSM10x4-P2-/221330475067?pt=UK_BOI_Metalworking_Milling_Welding_Metalworking_Supplies_ET&hash=item338853083b
[18:11:36] <kfoltman> SpeedEvil: and how do you attach that nut to everything else?
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[18:11:55] <kfoltman> mill a mating cavity?
[18:11:59] <SpeedEvil> Well, that's a fairly low-stress joint, so post-it-notes.
[18:12:25] <kfoltman> I don't know what's so low-stress about it
[18:13:36] <kfoltman> also, multistart is asking for trouble I think
[18:14:47] <kfoltman> SpeedEvil: definitely not hobbyist friendly, that nut
[18:15:10] <kfoltman> excluding hobbyists with lathes
[18:18:04] <kfoltman> cncformywife: http://www.ebay.ie/itm/261072451805 that's what I used, more or less
[18:19:19] <kfoltman> cncformywife: plus 3 of this: http://www.ebay.ie/itm/151215720718
[18:20:22] <kfoltman> (well, to be *totally* honest, I only have 2 of these, the third one was a full Z linear stage bought second hand from some South Korean ebayer)
[18:20:49] <kfoltman> you still need some sort of precision rails for this though
[18:21:02] <Jymmm> kfoltman: (You lyng bastard you =)
[18:21:28] <LeelooMinai> You can also buy whole sets with rails for good price there - that's what I did for my cnc - just bought rails + ballscrews + blocks
[18:21:54] <kfoltman> LeelooMinai: that, too
[18:21:58] <kfoltman> by the way
[18:22:02] <kfoltman> speaking about rails
[18:22:30] <kfoltman> it makes sense to order some extra carriages (blocks) for those rails, the ones they usually provide are nasty
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[18:22:39] <maZer`-> hi all :)
[18:22:54] <Jymmm> kfoltman: nasty?
[18:23:04] <kfoltman> Jymmm: badly made
[18:23:12] <Jymmm> kfoltman: ah
[18:23:24] <kfoltman> they take the LM12UU linear bearings and just cut them open with angle grinder or something
[18:23:33] <kfoltman> without too much regard for the angle of the cut
[18:23:44] <LeelooMinai> The blocks that attach to nuts I bought separatelly - since I have rails that are 2cm and ballscrew that is 16 - I needed ones that will make for the difference
[18:23:45] <kfoltman> and, for example, whether or not the cut is too close to the ball races
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[18:24:15] <kfoltman> LeelooMinai: ah, I didn't and had to do some nasty hacks to make up for it
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[18:26:20] <kfoltman> cncformywife: but, all in all, the ballscrew+rail set-up is relatively easiest to put together, especially if you don't have access to advanced tools
[18:27:26] <kfoltman> LeelooMinai: do you mill PCBs?
[18:27:56] <LeelooMinai> kfoltman: I am changing floors in my house for mom:/
[18:28:08] <LeelooMinai> kfoltman: Instead of playing with almost-finished CNC
[18:28:15] <LeelooMinai> Sad
[18:28:17] <kfoltman> LeelooMinai: ah!
[18:28:26] <kfoltman> well, mildly annoying I suppose
[18:28:44] <kfoltman> yay have a new toy, boo can't play with it
[18:29:38] <LeelooMinai> Also, I need to wait for some money - I want to buy that mesa set and maybe surface plate to test the CNC for accuraccy - tons of things I want to do yet. Then I need to make some kind of acrylic or polycarbonate cover for it, etc
[18:30:06] <LeelooMinai> It's a bit of money sink toy:)
[18:30:40] <LeelooMinai> And I am not even at the stage of getting the spindle + all bits for milling and some clamping solution
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[18:34:57] <kfoltman> LeelooMinai: it's an expensive hobby
[18:40:12] <Jymmm> All hobbies are expensive
[18:41:32] <SpeedEvil> Writing.
[18:42:18] <kfoltman> SpeedEvil: trolling
[18:42:26] <Loetmichel> LeelooMinai: cannt say that it is a money sink
[18:42:29] <LeelooMinai> Well, most hobbies usually get expensive if one really gets deep into them - begins to buy specialized tools, more accurate, more reliable, tries doing exotic projects, etc.
[18:42:34] <Loetmichel> the oposite
[18:42:59] <Loetmichel> it has saved me lots of money for model pats in the last 2 decades ;-)
[18:43:04] <Loetmichel> parts
[18:43:07] <LeelooMinai> Loetmichel: I mean for a hobbyist. I guess if you actually say what you make, it will pay back.
[18:43:20] <LeelooMinai> say=sell
[18:43:28] <Loetmichel> i didnt sell any
[18:43:46] <Loetmichel> but i saved so much money in making my own parts.
[18:43:57] <LeelooMinai> Well, yes, I guess once you have it going you can make parts that one would otherwise have to buy, but I am not at this stage.
[18:44:04] <kfoltman> You can't really make any serious device without having access to a CNC router or at least a laser cutter
[18:44:14] <SpeedEvil> Well, if the money saved was parts that go toward the hobby...
[18:44:21] <Loetmichel> for example: one copter chassis similar to this will cost about 200 eur: http://www.cyrom.org/palbum/main.php?g2_itemId=12997
[18:44:34] <LeelooMinai> First you need to reach the stage when everything is working - and it's a long way to get there for someone without a lot of money.
[18:44:38] <Loetmichel> ... it had cost me less than 15 eur in aluminium and a bit of paint
[18:44:56] <Loetmichel> SpeedEvil: OTHER hobby
[18:45:05] <Loetmichel> so the machine isnt the money sink ;-)
[18:45:13] <Loetmichel> the other hobbys are
[18:45:14] <SpeedEvil> ah
[18:45:16] <jdh> so I went to Lowes to buy some MDF for my router. Then I remembered I don't use MDF, it's just particleboard
[18:45:20] <Loetmichel> .. and the wife of course
[18:45:43] <SpeedEvil> MDF is good in some ways
[18:46:04] <LeelooMinai> Particle board is kind of terrible in almost any respect
[18:46:21] <kfoltman> is there a difference between particle board and hdf?
[18:46:35] <jdh> but, particle board is better than MDF (for this)
[18:46:58] <SpeedEvil> For what?
[18:47:13] <jdh> spoilboard
[18:47:22] <SpeedEvil> Well, I guess.
[18:48:57] * kfoltman is trying to install machinekit on an old microsd card
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[19:01:07] <Loetmichel> i would unse marine plywood or (better) a foam plasic like sikablock for spoilboard
[19:01:20] <Loetmichel> because you can use water on it to cool the mill bit
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[19:16:11] <maZer`-> hi all :)
[19:17:25] <kfoltman> so, there's at least some progress: I got machinekit to run on my BBB
[19:17:32] <kfoltman> but the GUI is unbelievably slow
[19:17:41] <kfoltman> is that just a fact of life, or am I doing something wrong?
[19:17:54] <cradek> both, when using a BBB
[19:17:58] <Jymmm> That's BBB as I understand it.
[19:18:06] <Jymmm> Hey cradek!
[19:18:09] <cradek> seems they're shockingly slow
[19:18:10] <kfoltman> running Axis(?) over ssh -X
[19:18:56] <kfoltman> is there a text-based interface, or a remote protocol that only sends commands?
[19:19:12] <Jymmm> keystick
[19:19:18] <cradek> there are both, but they both suck
[19:19:56] <kfoltman> back to grbl then?
[19:20:02] <Jymmm> cradek: keystick is eh, but what was the pre-axis one?
[19:20:14] <cradek> don't you have a real computer you can use?
[19:20:23] <cradek> they're free on every street corner
[19:20:26] <kfoltman> cradek: not really, no
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[19:56:37] <Loetmichel> i gifted my co-worker a laptop today... because his wife has lurched away his old one with "i NEED this!" a few weeks ago. His look in complete disbelief... he couldnt believe it. i even installed his beloved dynablaster in a dosbox... he was happy as fuck ;-) ( and i would like to see his wifes face when she sees what happens when she snatches an old netbook from him ;-) -> this is the one
[19:56:37] <Loetmichel> i gifted him today: http://www.ebay.de/itm/321448436239 ... and it really looks like new ;-)
[19:58:50] <skunkworks_> very nice!
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[20:00:49] <SpeedEvil> Loetmichel: :)
[20:00:59] <Loetmichel> i REALLY want to see his wifes face when she sees it and compares it to the snatched netbook, though ;-)
[20:01:08] -!- maZer`- [maZer`-!~info@ip-109-42-1-205.web.vodafone.de] has joined #linuxcnc
[20:01:19] <maZer`-> im trying to tune my pid
[20:01:52] <Jymmm> jthornton: JT-Shop Since you have bandwidth again, This is a bit long, but kinda neat… https://www.youtube.com/watch?v=N2utaZzmBWA
[20:01:57] <maZer`-> but i got a problem, if i travel in one direction i have about 50m f-error on beginng of the ride and on the end
[20:02:10] <maZer`-> can someone help me to solve it :(
[20:02:33] <maZer`-> is my p value to high (got 100)
[20:07:53] <pcw_home> maZer%60- what type of servo? (velocity or torque mode)
[20:12:30] <kfoltman> Loetmichel: can it run linuxcnc? ;-)
[20:15:15] <Loetmichel> it could, no lpt port though
[20:15:38] <skunkworks_> like my test bench? http://electronicsam.com/images/KandT/testing/DSC_1814.JPG
[20:18:05] <maZer`-> ahm thats a good question
[20:18:07] <maZer`-> also 0-10v
[20:18:09] <maZer`-> dc servo
[20:18:17] <maZer`-> should be velocity ? :)
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[20:18:51] <pcw_home> do the drives have tachometers?
[20:19:04] <maZer`-> yes but tachometers are connected to servo controllers
[20:19:21] <pcw_home> OK so very likely velocity mode
[20:19:29] <maZer`-> yes :)
[20:19:51] <pcw_home> so for velocity mode tuning, FF1 does the heavy lifting
[20:20:48] <maZer`-> yes i tuned ff1
[20:20:56] <maZer`-> so that the f-error is minimum
[20:21:09] <maZer`-> but i have only problems on the end of a travel or the beginning
[20:21:10] <maZer`-> :(
[20:21:23] <pcw_home> did you tune FF2?
[20:21:48] <maZer`-> yes i did
[20:22:01] <maZer`-> im not sure my machine got backlash or not
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[20:22:20] <maZer`-> but backlash should not be visible on end of a travel :(
[20:22:22] <pcw_home> encoder on motors or linear scales?
[20:22:28] <maZer`-> linear encoders
[20:22:37] <maZer`-> haidenhain 0.005
[20:22:51] <pcw_home> ahh backlash may well be an issue then
[20:23:02] <Jymmm> How do you cut 100 rods to (various) lengths easily?
[20:23:42] <maZer`-> pcw_home can i measure backlash with f-error
[20:24:21] <Loetmichel> Jymmm: cutting saw wiht adjustable endstop?
[20:24:46] <Jymmm> Loetmichel: Sounds too "manual"
[20:24:51] <pcw_home> pretty hard to tell unless you physically turn the motor shaft while watcing the DRO
[20:25:26] <Loetmichel> Jymmm: put a stepper motorm a leadscrew and a small µc on the endstop
[20:25:27] <Loetmichel> ;-)
[20:25:32] <maZer`-> i mean
[20:25:36] <Jymmm> lol
[20:25:37] <maZer`-> f-error is the value in mm
[20:25:39] <Jymmm> Loetmichel++
[20:25:49] <maZer`-> if i got 50m f-error it means i got 0.05mm backlash?
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[20:29:44] <skunkworks_> maZer`-: no... you have to physically measure it...
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[20:35:21] <maZer`-> skunkworks_ ok :(
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[20:45:04] <Aero-Tec> having some trouble
[20:45:55] <Aero-Tec> using version 8.04
[20:46:12] <Aero-Tec> not able to get updates
[20:46:37] <cradek> do you mean ubuntu updates or linuxcnc updates?
[20:46:39] <Aero-Tec> this computer has been sitting a long time
[20:46:49] <Aero-Tec> my other ones update fine
[20:47:00] <Aero-Tec> ub
[20:47:06] <Aero-Tec> the system
[20:47:33] <Aero-Tec> seem like 8.04 is not supported any more
[20:47:35] <cradek> I am surprised they are still available. sounds like you should compare your sources.list entries
[20:47:53] <Aero-Tec> have to look and see what the other ones are running
[20:48:20] <Aero-Tec> could be 10.04
[20:48:36] <Aero-Tec> will do
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[20:48:37] <cradek> ubuntu 8 was end-of-lifed in May 2013
[20:48:37] <Aero-Tec> thanks
[20:49:07] <cradek> er no, May 2011
[20:49:13] <cradek> anyway, in the past
[20:49:55] <cradek> ubuntu 10 will have some updates until April 2015
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[20:53:58] <Jymmm> EOL doens't mean it's not useful
[20:54:18] -!- erasmo has quit [Remote host closed the connection]
[20:54:26] <Jymmm> Even roadkill can be useful as fertilizer
[20:55:16] <cradek> that is orthogonal to the question of why updates are not available
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[21:12:46] <gkamysz> I updated a machine from 2.2.8 to the latest the the other day. it was easier just to use a new live disk.
[21:14:14] <Jymmm> heh
[21:14:44] <gkamysz> i was worried the old box wouldn't handle 10.04 but I think it runs better, at least I have 1280x1024 now.
[21:16:17] <gkamysz> i downloaded the update to 10.04, and after 2+ hours of installing I killed and the disk installed in 15 minutes.
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[21:21:54] <Jymmm> Interesting... RECHARGABLE coin cell Li-Ion battery... http://www.adafruit.com/products/1572
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[21:26:49] <Aero-Tec> the mill is 10.04, the lathe 8.04
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[21:53:14] <Aero-Tec> doing the web update
[21:53:40] <Jymmm> update or upgrade?
[21:54:18] <Aero-Tec> upgrade, sorry
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[21:54:31] <Jymmm> no comment
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[22:00:53] <ve7it> Jymmm, hey
[22:01:52] <Jymmm> ve7it: howdy!
[22:02:14] <ve7it> I have used those batteryies in some projects... they work well
[22:02:34] <Jymmm> ve7it: Nice, did you see the USB charger for them too?
[22:02:58] <Jymmm> (same page)
[22:04:11] <ve7it> I built a little charger using a microchip mcp73832 for it (built into project so all that it needs is 5V from anything to charge it.
[22:04:22] <Jymmm> ah gotcha
[22:04:53] <ve7it> 17ma charge rate... takes about 3 hours
[22:05:04] <Jymmm> No need to be fast
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[22:05:35] <ve7it> no... its for a flashing fishing lure that flashes for about 1 week before the battery goes dead
[22:06:11] <Jymmm> Heh, does it work?
[22:07:30] <ve7it> not sure... it has been too windy all month to go fishing
[22:07:45] <Jymmm> ah, bummer
[22:08:16] <ve7it> raining today, but the water looks great
[22:13:15] <Jymmm> raining?! Eeeesh, and it's like 89F here
[22:13:21] <Jymmm> and dry as can be
[22:13:35] <Jymmm> too dry, lots of fires
[22:15:09] <ve7it> yea... very dry here as well.... no green grass, so the rain will be nice for a change.... really just showers, not like the SE where they get rain you need a SCUBA setup to walk through
[22:15:26] <Jymmm> heh
[22:15:47] <Jymmm> We are in a droght (again)
[22:16:21] <ve7it> gotta run.... the local boys have a friday afternoon bitch session that is about to start
[22:16:34] <Jymmm> ve7it: Field Day huh? lol
[22:16:50] <ve7it> last weekend!
[22:16:58] <Jymmm> err post field day
[22:17:19] <Jymmm> ve7it: I didn't do jack for FD =)
[22:17:50] <Jymmm> ve7it: Have Fun!!!
[22:17:55] <Jymmm> ve7it: 73
[22:18:02] <ve7it> me either.... didnt even turn on a radio to see how busy it was...73
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[22:28:43] <maZer`-> im sorry my connection braking always :(
[22:29:24] <maZer`-> but i think i know whats my problem, my servo controllers moving only if the mesa card is sending more then 0,8V
[22:29:44] <maZer`-> is there any option i can setup in ini file that all <0,8v controller is not moving
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[22:37:45] <pcw_home> Hmm sounds like the drives are in torque mode (or velocity mode is not working)
[22:37:46] <pcw_home> .8V ought to be 8% of full speed
[22:45:07] <maZer`-> hm its possible that drivers are in torque mode
[22:45:10] <maZer`-> im not sure :(
[22:45:48] <maZer`-> my machine got these controllers
[22:45:49] <maZer`-> http://www.heldt-rossi.de/produkte.php?Serie=SM805
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[23:37:43] <anarchos> anyone know if leadshine controllers are the same as kelings?
[23:38:03] <anarchos> They look exatactly the same, just some different printing on them....and the leadshine's are a lot cheaper on eBay
[23:41:13] <Tom_itx> they are probably the same chinese source
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[23:42:08] <anarchos> oops, wrong button ;)
[23:42:48] <anarchos> $50 + freeshipping for the Leadshine, or $70 + $40 shipping for the Kelings...
[23:42:52] <anarchos> not sure what to do :P
[23:43:38] <CaptHindsight> every keiling drive I've opened had a leadshine board inside
[23:45:08] <anarchos> cool I think I might take the plunge
[23:45:37] <anarchos> Any opinions on a breakout board for them?
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[23:47:55] <anarchos> heh, even the model numbers kinda line up. Keiling KL-4042D vs Leadshine DM442C
[23:48:30] <CaptHindsight> LPT breakout board?
[23:49:46] <anarchos> yeah
[23:49:58] <CaptHindsight> http://www.automationtechnologiesinc.com/products-page/digital-stepper-motor-driver/3-axis-dsp-based-digital-stepper-drive-max-60-vdc-6-0a this 3 axis version connects directly to a LPT
[23:50:26] <anarchos> oh neat i didn't even see that
[23:50:29] <CaptHindsight> but I recently bought several low cost LPT breakout boards on ebay
[23:51:01] <CaptHindsight> some are better than others, working on a wiki review page
[23:52:01] <anarchos> i was hoping to use one of those TB5056 (probably messed that up) boards from ebay but I was scared away, heh
[23:52:39] <CaptHindsight> tb6560, are noisy
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[23:53:14] <CaptHindsight> people that have lost their hearing over 10Khz don't mind them
[23:53:37] <anarchos> heh, i hear a lot do erratic things at high speeds
[23:53:41] <CaptHindsight> http://www.automationtechnologiesinc.com/products-page/breakout-boards/kl-db25-breakout-board
[23:54:03] <CaptHindsight> ^^ over priced and only 12V max on the input side of the optos
[23:54:23] <CaptHindsight> they come jumpered with the same 5V on both sides of the optos :/
[23:55:17] <CaptHindsight> http://www.ebay.com/itm/310702269807 http://www.ebay.com/itm/111149514180 testing these tomorrow
[23:56:13] <CaptHindsight> the Mesa boards are nice
[23:56:32] <anarchos> http://www.automationtechnologiesinc.com/products-page/breakout-boards/ethernet-smoothstepper-motion-control-board-with-terminals-for-mach3
[23:56:39] <anarchos> that still requires drivers, right?
[23:57:23] <CaptHindsight> and doesn't work with Linuxcnc
[23:57:47] <anarchos> o :/
[23:57:47] <CaptHindsight> mesa has a new ethernet board
[23:58:16] <anarchos> i still don't have a PC with a parallel port. it would be nice to not have to get a new one.
[23:58:25] <CaptHindsight> http://www.mesanet.com/fpgacardinfo.html 7i80
[23:58:41] <CaptHindsight> do you have PCI or PCIe?
[23:59:22] <CaptHindsight> I found some $10 pcie LPT cards and use them with PCIe extenders
[23:59:38] <anarchos> neither, i have a little nettop computer :P
[23:59:40] <anarchos> or a laptop
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