#linuxcnc | Logs for 2014-08-22

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[00:01:33] <Tom_itx> mine uses G74 or G84
[00:01:55] <Tom_itx> or at least this post i'm looking at
[00:02:00] -!- Tom_L [Tom_L!~Tl@unaffiliated/toml/x-013812] has joined #linuxcnc
[00:03:09] <zeeshan> okay screw this canned cycle
[00:03:11] <zeeshan> im just gonna use g33
[00:03:15] <zeeshan> its easier
[00:03:19] <zeeshan> cause the computer does the rest for me
[00:03:55] <Tom_itx> the one i used for lcnc didn't have fixed cycles defined yet
[00:04:00] <Tom_itx> i did it in a hurry for a job
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[00:05:42] <Tom_itx> this other one used G33 as well
[00:06:12] <zeeshan> ah
[00:06:20] <Tom_L> G33Z#ZPOSK#FTHRD
[00:06:20] <Tom_L> @FXD4
[00:06:23] <zeeshan> if use g33, then i can do npt too
[00:06:30] <Tom_L> or
[00:06:34] <Tom_L> G33Z#ZPASSK#FEED
[00:06:34] <Tom_L> M03
[00:06:34] <Tom_L> G33Z#ZPOSK#FEED
[00:06:34] <Tom_L> @DWELL
[00:06:51] <Tom_L> depending on a user defined variable
[00:08:07] <Tom_itx> a mazak one uses G33 as well
[00:08:52] <Tom_itx> looks like most of the ones that have it defined use G33
[00:09:44] <Tom_itx> you don't even wanna see how dynapath does it
[00:10:01] <zeeshan> hehe
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[00:11:45] <zeeshan> N1220 T03 M06 N1230 G43 H03
[00:11:49] <zeeshan> i wonder if i have this set wrong
[00:11:56] <zeeshan> do i need to specify H03 after G43?
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[00:18:55] <zeeshan> ps. Tom_itx excellent call on using the part off tool for radius
[00:19:04] <zeeshan> i didnt even see the option in the cam to allow parting off w/ radius or chamfer
[00:19:43] <Tom_itx> saves a tool
[00:19:58] <zeeshan> what's really awesome about having mastercam in solidworks is this
[00:20:23] <zeeshan> i made a database of all the weld an-fittings i want based on size -3 -4 -6 -8 -10 -16 etc
[00:20:40] <zeeshan> so i choose what fitting i want, and the model updates and the cam program updates
[00:20:51] <zeeshan> !
[00:20:58] <zeeshan> Tom_itx: yes
[00:26:07] <Tom_itx> os1r1s, PM
[00:27:30] <Tom_itx> zeeshan, just make sure the chamfer isn't greater than the cutoff tool angle
[00:27:50] <zeeshan> cutoff tool angle?
[00:28:06] <Tom_itx> /|
[00:28:14] <Tom_itx> or |\
[00:28:17] <Tom_itx> depending
[00:28:53] <Tom_itx> the point on the cutoff blade
[00:29:33] <Tom_itx> or are you using a flat one?
[00:29:36] <zeeshan> haha
[00:29:40] <zeeshan> see thats where i was getting confused
[00:29:42] <zeeshan> im using this:
[00:30:00] <zeeshan> http://www.iscar.com/eCatalog/Family.aspx?fnum=373&mapp=TG&app=51&GFSTYP=M
[00:30:20] <Tom_itx> ok
[00:30:26] <zeeshan> its like a grooving tool
[00:30:32] <Tom_itx> yeah a flat cutter
[00:30:59] <zeeshan> tools like that
[00:31:07] <zeeshan> should never be fed along the Z direction right?
[00:31:11] <zeeshan> cause the insert will fly out
[00:31:15] <Tom_itx> :D
[00:31:24] <Tom_itx> i'm not sure we used those
[00:31:28] <zeeshan> i might a light cut to make a .015 radius
[00:31:37] <Tom_itx> i think we may have used a regular steel cutoff blade
[00:31:42] <zeeshan> ah
[00:31:57] <Tom_itx> those may not work for the chamfer.. you can try it i suppose
[00:32:06] <Tom_itx> if you feed into the part
[00:32:07] <zeeshan> i dunno what i wrote in the last sentence, but i mean im sure it will be okay for a 0.015 radius
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[00:32:15] <Tom_itx> instead of cutting backing out
[00:32:22] <zeeshan> yes
[00:32:26] <zeeshan> its cuting while feeding in
[00:32:28] <zeeshan> very small amount
[00:32:56] <zeeshan> i'm not gonna chamfter anymore!
[00:33:02] <zeeshan> radius every damn thing
[00:33:15] <Tom_itx> depends what the blueprint calls out
[00:33:22] <zeeshan> i am the blue print
[00:33:25] <zeeshan> hehe
[00:33:44] <XXCoder> damn you tattooed blue prints on you?
[00:33:55] <zeeshan> sometimes you cant avoid chamfers though
[00:33:59] <XXCoder> "wheres blueprint for that widget" "Okay lemme drop pants"
[00:34:06] <zeeshan> XXCoder: lol
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[00:34:24] <Tom_itx> on my manual lathe all my chamfers are done with a quick hit from the file
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[00:34:56] <zeeshan> thats how i did my chamfter before completing parting
[00:35:00] <zeeshan> i'd dip in half way
[00:35:10] <zeeshan> chamfer with a fine file, then complete part off
[00:35:17] <zeeshan> its a little scary sometimes
[00:35:24] <zeeshan> if you get the file wedged between the slot, you get owned hard.
[00:35:45] <Tom_itx> if it's a wide gap i use a BIG file
[00:36:05] <zeeshan> you know one cool thing ive seen?
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[00:36:51] <zeeshan> http://www.carbidedepot.com/images/holders-mten-1.gif
[00:37:02] <zeeshan> someone plunges with that first
[00:37:10] <zeeshan> then parts by eyeballing it
[00:37:15] <Tom_itx> yeah
[00:37:21] <Tom_itx> i've done that manually
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[00:51:11] <Tom_itx> zeeshan, i specify the G43 first then the H word just like you showed above
[00:51:21] <zeeshan> ah okay
[00:51:26] <zeeshan> do you ever peck when parting off?
[00:51:44] <Tom_itx> it doesn't take effect until a linear move is given
[00:51:58] <Tom_itx> i generally set it on during the 'move to work' move
[00:52:26] <Tom_itx> zeeshan, yeah you can to clear the chips
[00:52:35] <Tom_itx> unless you like birds nests
[00:52:37] <zeeshan> i for some rewason cant find the option to peck
[00:52:41] <zeeshan> in mastercam
[00:52:46] <zeeshan> well i see it
[00:52:48] <zeeshan> but its greyed out ;p
[00:52:56] <zeeshan> hm
[00:53:27] <Tom_itx> is there a cutoff depth and a 'step' to define the peck?
[00:53:43] <Tom_itx> i haven't messed with my lathe package enough to know it fluently
[00:53:48] <zeeshan> hmm
[00:53:51] <zeeshan> i got it to ungrey
[00:53:52] <Tom_itx> we did all ours MDI
[00:54:00] <zeeshan> its cause ididnt have the depth set correctly
[00:55:38] <Tom_itx> i had fun with that lid i did for andy because i had to import his file into my mill package first then export it to the 2d lathe one
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[00:55:57] <Tom_itx> iirc all he had was a 3d model or something..
[00:56:26] <Tom_itx> and the axis were all backwards after the conversion
[00:56:56] <jdh> 25% off onlinemetals.com today
[00:57:32] * SpeedEvil sighs.
[00:57:32] <zeeshan> heh
[00:57:33] <zeeshan> :D
[00:57:45] * SpeedEvil wishes there were a nice online metal store in the UK.
[00:57:47] <SpeedEvil> (*)
[00:58:00] <SpeedEvil> * Nice = will sell me scrap stuff.
[00:58:10] <Tom_itx> SpeedEvil what brought you to linuxcnc? you were in #electronics like forever!
[00:58:24] <jdh> I drove by a scrap place today. It looked like they might sell instead of only buy.
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[00:59:45] <SpeedEvil> Tom_itx: I am pretending I'm going to make a CNC
[01:00:00] <zeeshan> i dunno if this is a little too much
[01:00:04] <zeeshan> im pecking every 0.050"
[01:00:08] <zeeshan> and retracting 10 thou
[01:00:18] <Tom_itx> give it a try
[01:00:27] <zeeshan> it sucks having no feel for something
[01:00:34] <Tom_itx> depends on the material alot
[01:00:37] <Tom_itx> how the chips fly
[01:00:43] <zeeshan> this is stainless
[01:00:51] <Tom_itx> don't let it work harden
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[01:02:06] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/cnc/Lathe/thread1.jpg
[01:02:11] <Tom_itx> my bud made me a couple of those
[01:02:14] <Tom_itx> 3 TPI
[01:02:43] <zeeshan> whats that for
[01:02:57] <Tom_itx> to replace a wood counterpart
[01:03:11] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/cnc/Lathe/thread.jpg
[01:03:12] <zeeshan> ah cool
[01:03:15] <zeeshan> thats a super coarse threead
[01:03:19] <Tom_itx> antique furniture
[01:03:35] <SpeedEvil> Why not just replace in wood?
[01:03:41] <zeeshan> Tom_itx: do you use a lot of mastercam?
[01:03:50] <Tom_itx> i didn't have the equipment to make it in wood
[01:04:03] <Tom_itx> i tried just a cutter and it just chewed up the wood
[01:04:08] <Tom_itx> you'd need a live tool for that
[01:04:19] <Tom_itx> zeeshan, no, i use smartcam
[01:04:26] * zeeshan is stalking your pics
[01:04:27] <Tom_itx> i've seen mastercam and surfcam though
[01:04:32] <Tom_itx> and catia
[01:04:33] <zeeshan> smartcam looks very hardcore
[01:04:34] <zeeshan> :D
[01:04:46] <SpeedEvil> Tom_itx: chisel works fine
[01:04:47] <Tom_itx> i liked it better than mastercam at the time
[01:04:59] <zeeshan> oh trust me
[01:05:01] <Tom_itx> SpeedEvil, i was under a time crunch to get it fixed
[01:05:02] <zeeshan> i used to hate mastercam 9
[01:05:03] <zeeshan> haha
[01:05:07] <SpeedEvil> Tom_itx: fair enough
[01:05:45] <Tom_itx> i didn't have any wood lathe tools around either
[01:05:53] <zeeshan> http://2.bp.blogspot.com/_BG_wFLLqDss/SP6DzcgUwqI/AAAAAAAAAGQ/TtudYbtJdi0/s1600-h/Version+8.JPG
[01:05:54] <zeeshan> that shit
[01:05:55] <zeeshan> lol
[01:05:59] <zeeshan> i used to use that
[01:06:39] <zeeshan> looks like the interface was made by the same guys who made the the gui for ansys mechanical apdl
[01:07:13] <zeeshan> https://i.ytimg.com/vi/ITZaR9JLWOU/maxresdefault.jpg
[01:07:17] <zeeshan> :)
[01:07:30] <Tom_itx> zeeshan, i have a dos ver of smartcam
[01:07:38] <zeeshan> you're hardcore
[01:07:39] <zeeshan> lol
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[01:12:19] <Tom_itx> zeeshan, does mastercam use a USB dongle?
[01:12:29] <Tom_itx> back then they all used parport dongles...
[01:12:43] <zeeshan> apparently you still have a dongle for the licensing
[01:12:46] <zeeshan> but people have hacked it
[01:12:49] <zeeshan> you dont need any of it anymore
[01:13:22] <Tom_itx> what ver solidworks does it work on?
[01:13:31] <zeeshan> mastercam x7 works on 2013 +
[01:13:35] <zeeshan> x6 works on 2012
[01:13:39] <Tom_itx> figures
[01:13:40] <zeeshan> x5 2010-2011
[01:13:42] <Tom_itx> mine is pretty old
[01:15:48] <Tom_itx> zeeshan, i did sit down one day and figure out how to machine all sides of a block with it once. i never do it that way rather make P1 P2 P3... files
[01:16:32] <zeeshan> honestly, since you know another cam software
[01:16:37] <zeeshan> you'll pick it up really quickly.
[01:16:47] <zeeshan> the interface is really nice
[01:17:01] <Tom_itx> http://tom-itx.ddns01.com:81/~webpage/cnc/toolplane1.jpg
[01:17:06] <Tom_itx> look at those pics
[01:17:10] <Tom_itx> 1 2 & 3
[01:20:44] <Tom_itx> zeeshan, i had a bud that used acad using ncpolaris to post
[01:20:53] <zeeshan> haha
[01:20:58] <Tom_itx> i _really_ didn't like that
[01:21:00] <zeeshan> i dont think that stuff is used anymore
[01:21:04] <zeeshan> since like 2000?
[01:21:09] <Tom_itx> or earlier
[01:21:23] <zeeshan> what irritates me is when companies still to this do
[01:21:29] <zeeshan> *this day do acad 3d drawings
[01:21:36] <zeeshan> its such a waste of time and money
[01:21:41] <zeeshan> i'll never work for a company like that
[01:21:42] <Tom_itx> he was real good with it
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[01:36:23] <anarchos> http://www.ebay.ca/itm/NEW-CNC-Router-Mill-Tool-Setting-Touch-Plate-works-with-Mach3-Auto-Check-/251622878818?pt=LH_DefaultDomain_0&hash=item3a95e46e62&_uhb=1
[01:36:31] <anarchos> worth checking out for $9? :D
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[01:44:31] <jdh> I have one that came with my router
[01:44:48] <anarchos> same model? does it work?
[01:45:27] <jdh> still wrapped up. looks the same. Has a 1/8" plug and the clip for the tool
[01:47:27] <anarchos> hmm
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[02:39:24] <zeeshan> am i on drugs
[02:39:37] <zeeshan> im using my optical flat to inspect my micrometer anvils
[02:39:46] <zeeshan> and all i see the anvils with no patterns on them :P
[02:39:58] <zeeshan> do i REALLY need monochromatic light to have the lines show up
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[03:27:59] <zeeshan> man
[03:28:08] <zeeshan> whenever i search for stuff on google regarding machining
[03:28:19] <zeeshan> its scary how many times my own stuff comes up from the irc logs of this channel.
[03:28:54] <zeeshan> i googled 'lathe turning odd stuff'
[03:28:56] <zeeshan> and clicked images
[03:29:00] <zeeshan> 50-60th image is this:
[03:29:04] <zeeshan> http://www.google.ca/imgres?imgurl=http%3A%2F%2Fi.imgur.com%2Fj8cfYVT.jpg&imgrefurl=http%3A%2F%2Fpsha.org.ru%2Firc%2F%2523emc%2F2014-06-22.html&h=1936&w=2592&tbnid=66kV06Ts7--0eM%3A&zoom=1&docid=p3lZsa_dfdstzM&ei=R7j2U8elI46fyATbuYLIAQ&tbm=isch&client=firefox-a&ved=0CFQQMyhMMEw4yAE&iact=rc&uact=3&dur=453&page=6&start=237&ndsp=48
[03:29:09] <zeeshan> my hammer
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[03:50:36] <BellinganRoy> I think this depend on past search history
[03:51:02] <BellinganRoy> for example stuff I can easily find using my account is not on first page on other people account
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[06:48:12] <Deejay> moin
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[07:14:37] <BellinganRoy> I think there are a lot of german people in this channel...
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[08:23:30] <Tom_itx> zeeshan, psha doesn't have a robot.txt or other to exclude robots from searching the logs
[08:23:51] <Tom_itx> i added one to mine and it seems to work
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[08:56:40] <onyedikilo> hi all
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[08:58:53] <onyedikilo> i have a problem with my z axis finishing higher than it started with. It does it when cutting air also, but the difference in height is different everytime. All other axis are fine
[08:59:38] <onyedikilo> and i have a 500000 line g-code to test it with. lots of z moves
[09:00:24] <onyedikilo> i wrote a small gcode for the z axis going up and down in a linear fashion but the step loss is not there
[09:00:32] <onyedikilo> any ideas?
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[09:15:21] <BellinganRoy> Interrupt the long code at differente position and check...
[09:16:23] <BellinganRoy> I suggest you to alter the code, place the reset command and delete the afterwards line
[09:17:28] <BellinganRoy> Did you use the G28 command for homing ? onyedikilo
[09:18:15] <onyedikilo> normally i use this routine : G17 G21 G40 G49 G64 G90 G94 S11000 M03
[09:18:55] <onyedikilo> whether i home the machine or not i loose steps
[09:18:58] <onyedikilo> i would k
[09:19:29] <onyedikilo> i would like to get some ideas on why the z could be failing
[09:19:31] <BellinganRoy> Maybe the g21 ? you did this only at start or a lot of time ?
[09:19:57] <onyedikilo> i slowed down the accelereation and velocity but z seems to loose steps anyhow
[09:21:27] <onyedikilo> it could be a binding issue but i dont have the neccessary equipment for a test
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[09:21:54] <onyedikilo> even if i did, how would i know this is because of the binding
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[09:22:23] <BellinganRoy> have you tried the same code on a different machine ?
[09:22:55] <onyedikilo> i have tried many different codes which are long, and all have the same z axis problem
[09:23:02] <onyedikilo> i dont have another machine so nope
[09:23:06] <BellinganRoy> k
[09:23:24] <BellinganRoy> For quiker test use this http://en.wikipedia.org/wiki/Bisection_%28software_engineering%29
[09:24:33] <BellinganRoy> Sorry, wrong link, I'll write the concept, cut in half and run, if the problem is gone than is on the second half, otherwayse in the first
[09:24:49] <onyedikilo> ok
[09:24:52] <BellinganRoy> repeat, in 10 step you have reduced the working set by 1024 time
[09:25:02] <onyedikilo> suppose it is random
[09:25:25] <BellinganRoy> this is a big problem, hope for not
[09:26:11] <onyedikilo> i believe it is, i tried a portion of the gcode cutting air, it did not miss a step, i tried it again and it missed its position
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[09:26:50] <BellinganRoy> uhm I think is something related to the motion controller or the electronic...
[09:27:09] <onyedikilo> i am planning to buy an easy servo from leadshine to solve this lost steps problem.
[09:27:22] <onyedikilo> i tried changing the motion controller and the stepper also
[09:27:29] <onyedikilo> i got 2 sets of different controllers
[09:27:40] <onyedikilo> the same thing nothing changed
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[09:28:10] <BellinganRoy> what board did you use for controlling ?
[09:28:16] <onyedikilo> pmdx 126
[09:28:31] <onyedikilo> and leadshine drivers
[09:28:48] <BellinganRoy> The computer you use, load is low ecc ecc ?
[09:28:55] <BellinganRoy> Have you checked for gittering ?
[09:29:53] <onyedikilo> %7 cpu use
[09:30:01] <onyedikilo> what is gittering ?
[09:30:39] <BellinganRoy> whan you have a spike in cpu load
[09:30:49] <BellinganRoy> and the computer is not sendind the data at correct rate
[09:30:58] <onyedikilo> yes i did look at it and it seems normal
[09:31:04] <BellinganRoy> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Latency-Test
[09:31:26] <BellinganRoy> sorry Jitter wrong spelling
[09:32:35] <onyedikilo> i even have a windows box with smooth stepper and mach3 it has the same problem
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[09:33:16] <onyedikilo> i believe the problem is mechanical
[09:33:33] <onyedikilo> but i dont know how i can be sure
[09:34:04] <BellinganRoy> you mean you changed every thing except the motor ?
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[09:34:18] <onyedikilo> i did change the motor
[09:34:35] <onyedikilo> same specs
[09:34:45] <onyedikilo> 8.5nm
[09:34:55] <onyedikilo> i changed teh controller
[09:35:04] <onyedikilo> i changed the software
[09:35:11] <BellinganRoy> did you use reduction gear on z axis ?
[09:35:20] <onyedikilo> its direct drive
[09:35:44] <BellinganRoy> ... sorry I don't have any clue...
[09:35:52] <onyedikilo> :(
[09:36:41] <onyedikilo> if it was emf, all the axis' would loose steps right ? the drivers are all in the same box.
[09:37:19] <BellinganRoy> teoretically yes
[09:37:51] <BellinganRoy> but you can have a cable twisting that render the emf null
[09:37:54] <onyedikilo> btw i checked the code with spindle on and off
[09:38:26] <onyedikilo> i will rewire the drivers and twist those cables
[09:38:48] <onyedikilo> they are all shielded
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[09:39:12] <onyedikilo> do i need to put the shielding after twisting the wire ?
[09:39:21] <BellinganRoy> no no
[09:39:26] <BellinganRoy> like ethernet cable
[09:39:36] <onyedikilo> to twist the wires i need to cut the cables shield
[09:39:43] <BellinganRoy> you need to have balanced cabling too
[09:39:54] <onyedikilo> same length ?
[09:40:13] <BellinganRoy> yes
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[09:40:56] <onyedikilo> if i get a servo motor with encoder, do you think that i wont see any moıre lost steps on z ?
[09:41:22] <BellinganRoy> if the problem is a mechanical stiffness yes
[09:41:45] <onyedikilo> then i should invest in one
[09:42:01] <BellinganRoy> but if you say you are testing in air...
[09:42:03] <onyedikilo> it took me more than 10 days still no clue
[09:42:14] <onyedikilo> yes air cuts
[09:42:16] <BellinganRoy> for me test the code on another machine
[09:42:22] <BellinganRoy> ask someone
[09:42:41] <BellinganRoy> not me, i don't have one of my own, i used the office one
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[09:42:50] <onyedikilo> how could it be the code that produce random lost steps ?
[09:43:23] <BellinganRoy> don't know just a try
[09:44:42] <onyedikilo> ok one more question, if my gcode has 3 decimal places for coordinates and i have 2 decimal places of resolution in my cnc like 0.02mm, will those 3rd decimal place numbers add up to an error in the coordinates ?
[09:45:09] <BellinganRoy> uhm... good question
[09:45:42] <BellinganRoy> But i think yes
[09:46:00] <BellinganRoy> it depends on the controller if IT truncate the decimal then yes they add
[09:46:14] <BellinganRoy> if IT round to the nearest than statistically they don't sum
[09:46:26] <BellinganRoy> i suggest you to try by yourself
[09:46:32] <onyedikilo> maybe i should give it a try with less decimal places on the gcode
[09:46:39] <BellinganRoy> go down 2.567 and up 2.56 and check
[09:46:47] <onyedikilo> yes, thank you BellinganRoy
[09:47:21] <BellinganRoy> tell us what it whas
[09:48:04] <onyedikilo> i will
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[09:58:04] <onyedikilo> decimal places did not make any change, when i tell it to go back to z0 it is spot on
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[10:04:08] <BellinganRoy> k, but how many step did you tried ?
[10:05:56] <onyedikilo> i told it to go z5.789 ,z 2.125, z4.789 and a couple more then z0
[10:06:14] <BellinganRoy> no
[10:06:15] <onyedikilo> no more than 10 commands in 0-5mm
[10:06:31] <BellinganRoy> this is wrong
[10:06:47] <BellinganRoy> because in this case you subtra
[10:06:51] <BellinganRoy> how is spelled ...
[10:06:56] <BellinganRoy> subtrat ?
[10:07:03] <onyedikilo> subtract
[10:07:24] <BellinganRoy> the error you should do this -> add 2.458 and subtract 2.45
[10:07:26] <BellinganRoy> and repeat
[10:07:37] <BellinganRoy> a lot of time
[10:07:48] <onyedikilo> ok let me try it brb
[10:08:10] <BellinganRoy> because you add only 0.008 mm each time
[10:08:24] <BellinganRoy> son in 100 step you have yest 0.1 wich is not easy to spot...
[10:08:33] <BellinganRoy> so go for 10k ...
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[10:22:35] <onyedikilo> tried it 3 times x 10k, dial indicator did not move
[10:23:38] <onyedikilo> but it was worth a try
[10:28:17] <BellinganRoy> k
[10:28:25] <BellinganRoy> so the error don't accumulate...
[10:28:31] <onyedikilo> yep
[10:29:07] <BellinganRoy> Did you know what ?
[10:29:22] <BellinganRoy> check if you have instruction with only millesimal part like go 0.002
[10:29:39] <BellinganRoy> you machine will not do it, but the system who generated the code yes
[10:30:47] <onyedikilo> yes it wont move
[10:31:47] <BellinganRoy> k
[10:32:04] <BellinganRoy> i think this is
[10:32:22] <BellinganRoy> the g code generator assumes movement wich has not appened
[10:34:38] <onyedikilo> yes but if you give another command it will move to that direction without error
[10:35:28] <onyedikilo> if i can manage to do that in machines accuracy border it might accumulate to an error
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[11:13:30] <BellinganRoy> no the problem is that the program WHO generated the code think the movement happened
[11:13:42] <BellinganRoy> so it later correct using this value
[11:17:41] <BellinganRoy> but having not happened, this makes trouble for example
[11:18:06] <BellinganRoy> move 0.002 0.003 0.004 0.005 ecc and later move back 0.12
[11:18:18] <BellinganRoy> so you have 5 non existent movement and and existent move
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[11:49:45] <Bernd> ich bin neu bei LinuxCNC. Maschine mit drei Achsen eingerichet läuft auch soweit prima. Wenn ich aber nun in der AXIS Gui bei "Manueller Kontrolle" beispielsweise die X-Achse auf "Durchgehend" stelle und losffahre, stoppt die Maschine grundsätzlich bei 8.0000mm
[11:50:24] <Bernd> kann mir einer sagen was das ist? Ach ja, leider sind meine Endschalter noch nicht montiert - das kommt noch - nur mir ist dieses 8.000mm Verhalten aufgefallen
[11:50:31] <Bernd> DANKE für Eure Hilfe
[11:54:40] <jdh> how does your machine have only '2 decimal places of resolution'?
[11:55:50] <Bernd> oh sorry, my machine has more decimal places - it was a false during writing :-)
[11:56:05] <Bernd> did you understand my writings before?
[11:56:14] <Bernd> or should I try to translate into english
[11:58:34] <jdh> you might get more response with english, or wait for a german speaker to come along.
[11:58:52] <Bernd> ok, thanks - try to translate my "common german"
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[12:02:01] <Bernd> I'm new with LinuxCNC. I built my own 3Axis machine and every thing work well. But if I'm inside AXIS-GUI and in tab "manual controll", I hava a obfuscated behaviour. Every time if I try to stepp X (or Y or Z) axis, machine stops afer 8.0mm (I know I have more decimal places).
[12:02:47] <jdh> just stops? no limit errors?
[12:02:49] <Bernd> dropdown box is set on "continous" (hope that right - in German "durchgehend"
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[12:02:59] <Bernd> no errors, nothing - it stopps everytime
[12:03:35] <Bernd> btw: exactly at 8.00000 mm - every time -
[12:04:14] <jdh> will it continue if you hit the arrow again?
[12:04:19] <Bernd> yes
[12:04:29] <Bernd> and stops exactly after 8.00000
[12:04:49] <Bernd> it seems there is a "flag" inside one of the "thousands" config files
[12:04:56] <jdh> if you do an mdi move does it stop at 8?
[12:05:24] <Bernd> ähm, sorry I didn't try this
[12:05:54] <Bernd> it was the first time, that we start the electronics with linuxcnc and we tried first "manual controll"
[12:06:35] <Bernd> ah, I forgot to tell. currently no end switches are used (installed)
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[12:09:46] <Loetmichel> Bernd: maybe your machine ist programmed to be 8.0000mm wide?
[12:09:57] <Loetmichel> int he stepconf wizard?
[12:10:38] <Bernd> ? mhm, where can I configure this inside "stepconf wizard"
[12:12:30] <jthornton> Bernd, what version of LinuxCNC and what GUI are you using?
[12:14:02] <Bernd> oh, shi... have to go into next building and start pc - sorry - come back in 5mins and will report
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[12:20:00] <Bernd__> Hi folks I'm back (Bernd), Now I'm sitting in front of my machine
[12:20:15] <Bernd__> I'm using AXIS 2.5.0
[12:23:25] <cradek_> Loetmichel has it - check your axis limits in the ini file or stepconf. you have probably told linuxcnc you have an 8mm wide machine.
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[12:27:45] <jthornton> that's a stable version and GUI so it is odd that continuous gives an incremental move
[12:27:58] <jthornton> what does an incremental move do?
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[12:29:15] <Bernd__> for example, if I try 5.0000mm it move exactly 5.000mm
[12:29:46] <Bernd__> change back to "continous" and pres "+" - stopps after 8.0000
[12:30:00] <Bernd__> ok, I will check stepcconf
[12:30:04] <jthornton> are you still pressing the + when it stops?
[12:30:23] <jthornton> or press and release and you get a 8mm move
[12:30:30] <Bernd__> yes
[12:30:45] <jthornton> yes to which question?
[12:34:05] <Bernd__> oh now; i'm so stupid - Loetmichel - thanks for kick - yeap - inside stepconf I configured all limites for X/Y/Z to 8.0mm
[12:34:13] <Bernd__> oh, oh, newbie'S
[12:34:14] <Bernd__> :-)
[12:35:03] <Bernd__> thanks to all your assistance !
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[12:35:13] <Bernd__> for your ...
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[13:14:26] * JT-Shop goes to mow the grass while it is not so hot
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[13:17:33] <SpeedEvil> JT-Shop: that's just being lazy.
[13:17:43] <SpeedEvil> Couple of long screws, steppers, and you're there.
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[13:17:47] <SpeedEvil> Don't even need a Z axis
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[14:01:12] <Fuchikoma> https://gifyoutube.com/ sweet jesus
[14:01:38] <Fuchikoma> Also, wrong window... but now you guys get to share it too
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[14:19:17] <_nexxus_> that's great
[14:19:54] <Benjamin23> anyone present on here that uses freecad?
[14:20:44] <_nexxus_> i tried..too many crashes and lost work
[14:21:02] <_nexxus_> don't imagine that helps, though
[14:22:01] <Benjamin23> that's too bad. I'm curious why it did that? Personally, I've never experienced that. It has slowed down though, because of import scripting errors
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[14:23:01] <_nexxus_> yeah, i'm not sure.. i didn't have time to dig in and try to sort it out, at the time
[14:23:16] <_nexxus_> just cursed a little and moved on
[14:24:41] <Benjamin23> what were the specs of the computer you were using and what operating system?
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[14:30:03] <_nexxus_> i7, 16gb ram, ssd
[14:30:07] <_nexxus_> linux
[14:30:21] <Benjamin23> Linux distro?
[14:30:43] <_nexxus_> gentoo, but why would distro matter?
[14:31:32] <Benjamin23> library support for need freecad modules and dependencies
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[14:31:57] <_nexxus_> built fine
[14:32:35] <Benjamin23> that maybe true, but I'm using ubuntu 14.04 and freecad hasn't crashed once
[14:32:49] <_nexxus_> it is true
[14:32:56] <_nexxus_> but yeah.. not sure what the problem was
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[14:33:44] <Benjamin23> oh well. What my intent for asking was I am trying to sketch a 2D image to a face of a solid object to make a pocket
[14:34:04] <Benjamin23> I'm not doing something right and also failing to remember what steps I need to do in order to do it
[14:34:10] * _nexxus_ nods
[14:34:12] <_nexxus_> would help if i could
[14:34:15] <_nexxus_> has been a while
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[14:38:57] <Benjamin23> I think I got it. Instead of following the intuitive method, I did my own way of doing and screwed it all up.
[14:39:26] <Benjamin23> but, now that there is a live person on here, I'd like to ask what you have for a cartesian robot
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[14:46:06] <_nexxus_> none yet
[14:46:17] <_nexxus_> am looking
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[14:50:47] <Benjamin23> you and me both.
[14:51:29] <Benjamin23> I had the idea that I want to print parts for a mill, then mill out parts for the mill that I want
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[14:52:30] * _nexxus_ nods
[14:53:27] <Benjamin23> that will be a while I'm sure. Just ordered a 3D printer kit. Yes, sourcing everything would be cheaper, however, that will require significantly more time
[14:53:55] <jdh> which one?
[14:54:09] <Benjamin23> mendelmax 1.5
[14:54:13] <Benjamin23> from makea3dfactory.com
[14:54:30] <Benjamin23> the dude there, Mike, is very willing to talk with you
[14:55:07] <Benjamin23> answers every question, up front, just down right helpful
[14:57:03] <Benjamin23> it appears to me he is going to add CNC kits, which I may go that route
[14:57:08] <_nexxus_> it's nice looking
[14:57:14] <Benjamin23> we shall see when the time comes
[14:57:16] <Benjamin23> it is
[14:57:16] <_nexxus_> ball screws?
[14:57:42] <Benjamin23> didn't ask about, so I don't know
[14:57:48] <Benjamin23> use his live chat on his site
[14:58:01] <_nexxus_> probably not going to do 3d printing
[14:58:11] <_nexxus_> it's cool and all, but the materials aren't exactly non-toxic
[14:58:17] <_nexxus_> would rather mill
[14:59:12] <Benjamin23> they both have their pros and cons, so I am going to learn both subtractive milling and solid building
[14:59:19] * _nexxus_ nods
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[15:00:24] <Benjamin23> I like the idea of using milling to create gears/cogs from commercially made plastic, and that is essentially free from recycling centers
[15:01:15] * _nexxus_ nods
[15:01:54] <Benjamin23> the recycling centers are excellent sources for computer, printers whether it is to use them or sacrifice them to the Golden Screwdriver
[15:03:05] <Benjamin23> I found a 2 year old laptop in a recycling center bin. Nothing wrong with it at all. excellent condition
[15:03:13] * _nexxus_ nods
[15:04:30] <Benjamin23> this presently in mind, I can build a small CNC with all the stepper motors I have obtained. It will be a small CNC, but should be stable/strong enough to move a dremel around for light duty work. Also it will be more than enough to move a laser around for laser cutting
[15:04:38] <mazafaka> the modul or pitch of the gear shall correspond to the plastic's mechanical properties
[15:05:57] <Benjamin23> What?
[15:06:06] <Benjamin23> strength?
[15:06:15] <Benjamin23> tensile strength?
[15:07:00] <mazafaka> yeah
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[15:14:57] <SpeedEvil> All of them!
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[15:20:48] <Benjamin23> I got that that, which is the most wonderful part. Empirical experimenting is what I like the best
[15:20:55] <CaptHindsight> http://store.makea3dfactory.com/mendelmax-1-5/
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[15:21:55] <Benjamin23> I have a couple high torque DC motors stolen from things I've sacrificed over the years, and while they do not spin as fast, they'll be able to perform some work
[15:22:00] <CaptHindsight> "2x Sets of 1/4" ACME Precision Leadscrews w/nuts and springs"
[15:22:43] <CaptHindsight> "4x 8mm 440mm Chrome Hardened Smooth Rods 2x 10mm 370mm Chrome Hardened Smooth Rods" for linear bearings
[15:23:11] <jdh> precsion!
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[15:23:39] <Benjamin23> is that sarcasm or indication of interest?
[15:23:39] <Fuchikoma> Precision relative to the stainless threaded rod most people use
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[15:24:53] <Benjamin23> that brings a question to mind. There are some CNC milling machines with belts for movement and others use chains.
[15:25:23] <Fuchikoma> Chains don't seem that great an idea to me
[15:25:40] <CaptHindsight> http://www.automationtechnologiesinc.com/products-page/cnc-router/kl4530-desktop-cnc-router-with-3-motors $800
[15:25:42] <Benjamin23> I'm under the impression while chains have a stronger tensile strength, they also stretch and have play in the chain cogs
[15:26:20] <Fuchikoma> Well, pedantically *anything* will stretch when you put tensile load on it
[15:27:12] <Fuchikoma> But yes, I'd expect the clearances of the linkages will add up and you'll have a good amount of lash when reversing direction
[15:28:30] <CaptHindsight> Benjamin23: it's the materials and the sizes chosen plus all the tolerances that add up to them being shiny toys
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[15:28:54] <Benjamin23> hahaha great perspective
[15:29:11] <CaptHindsight> but if you're just making Yoda heads for fun it doesn't matter
[15:29:45] <Fuchikoma> I've get reliably accurate parts out of my printer :p
[15:29:51] <Benjamin23> most of the stuff at automationtechnologies is from china
[15:30:01] <CaptHindsight> if not all
[15:30:34] <Benjamin23> bah.
[15:30:59] <CaptHindsight> where do you think the Mendel arts come from? Switzerland?
[15:31:08] <CaptHindsight> arts/parts
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[15:32:29] <Benjamin23> they are from china to, which is just about everything. However, stuff put together elsewhere is usually better
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[15:42:57] <CaptHindsight> Benjamin23: think of them as partially assembled kits to make sure no parts were missing before shipment
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[15:45:59] <Benjamin23> Yeah. We'll see what happens. But anyway, the recommendation to me was obtain a 6040 for the work I planned on doing, and then make upgrades to it
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[15:51:14] <mazafaka> ball end mill 200mm long will have which least diameter for finishing of mild steel?
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[15:52:49] <JT-Shop> damn mower belt was $60!
[15:54:28] <jdh> my mower belt seems to be about 10 inches longer than the manual says it should be.
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[15:54:36] <jdh> which is proably why it doesn't work so well
[15:55:47] <CaptHindsight> Benjamin23: they ship without nuts on the ends of the ballscrews for setting the preload, or worse without thrust or angular contact bearings
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[15:56:22] <CaptHindsight> http://machinedesign.com/linear-motion/importance-ballscrew-end-fixity
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[15:59:32] <CaptHindsight> jdh: maybe it's like buying wire at Home Depot, they always give you an extra few inches
[16:00:07] <jdh> I think it has just streched
[16:00:45] <Fuchikoma> Pfft. Ballscrews.
[16:05:08] <_nexxus_> here's a good forum post on backlash, backlash, and related: http://www.cnccookbook.com/CCBacklash1.htm
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[16:05:24] <_nexxus_> er, article
[16:05:50] <ssi> backlash AND backlash? :D
[16:06:01] <_nexxus_> shit..brain lapse there..sorry
[16:06:04] <_nexxus_> backlash..ballscrews
[16:06:13] <Fuchikoma> Some backlash in the brainbox
[16:06:20] <_nexxus_> yeah, apparently
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[16:12:26] <ssi> eheheh
[16:15:17] <zeeshan> ssi where you been
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[16:25:48] <IchGuckLive> hi all B)
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[16:31:55] <JT-Shop> I guess I can't complain much I've never changed the belt since it was new and I've had long enough to forget when I bought it
[16:32:48] <jdh> same here
[16:34:58] <zeeshan> JT-Shop: fatty
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[16:35:21] <zeeshan> oh mower belt.
[16:35:22] <zeeshan> :{
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[16:54:13] <zeeshan> hi PetefromTn_
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[17:06:43] <PetefromTn_> hello zeeshan
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[17:12:58] <IchGuckLive> hi thedude yoiu got a on off inet today ;-)
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[17:13:45] <IchGuckLive> JT-Shop: did you check the lengzh bevor and after if somthing happend
[17:14:01] <IchGuckLive> or i am wrong not a timingbelt
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[17:31:07] <IchGuckLive> Benjamin23: did you find a user on freecad
[17:31:43] <Benjamin23> not anyone that uses it, ha
[17:32:05] <IchGuckLive> oh its in use but not usefull
[17:32:23] <Benjamin23> I haven't used anything else before, and being a total n00b, i don't know any different
[17:32:51] <IchGuckLive> awallin wanted to give it a boost by adding cam ability but it has been changed so offen that he gave up
[17:33:13] <Benjamin23> that would be a great feature
[17:33:24] <Benjamin23> instead of having six different programs to do that
[17:33:39] <IchGuckLive> depends on what is the goal it is best to as you say one for etch
[17:34:03] <IchGuckLive> 2d is best to stay on qcad
[17:34:30] <IchGuckLive> 3D on printing behavier blewnder or i use Heeks to get the real parts
[17:35:35] <IchGuckLive> as dan got onemployed he did go on money back with heeks 1.0
[17:36:02] <Benjamin23> yeah, for me, I like to keep things in house. That being said, it help
[17:36:14] <Benjamin23> 's keep me on track as well as makes it easier to do things
[17:36:20] <Benjamin23> none of this back and fourth mess
[17:36:48] <Benjamin23> seems to work for others, but not me. It also is evident that it all depends on the style of how someone does something
[17:37:17] <IchGuckLive> there is a RHino low cost version that fits a realy good part of CNC with visualmill 6.0
[17:37:40] <IchGuckLive> for a little shop it is a good start
[17:37:45] <Benjamin23> therefore, if I learn how to do what I want do to, and the output/result is what I want/need, then freecad perfectly fits my needs.
[17:39:06] <Benjamin23> perhaps one day I may buy software. But it seems to me the same challenge users have when there is OS types Mac, Windoze, Linux.
[17:39:18] <Benjamin23> However, I can make freecad do whatever I want it to do
[17:39:31] <IchGuckLive> thats the best
[17:40:19] <Benjamin23> and that is what seems to work best with my madness
[17:40:50] <zeeshan> IchGuckLive: did you see my mastercam video
[17:40:53] <IchGuckLive> madness brings you forward even if the idee strikes out
[17:40:54] <Benjamin23> I am enjoying it, and have a great deal of appreciation for the smart people on here
[17:40:57] <zeeshan> i finally got it posting to linuxcnc
[17:41:13] <IchGuckLive> nice
[17:41:18] <zeeshan> https://www.youtube.com/watch?v=8yl26NbBBaM
[17:41:25] <zeeshan> whats amazing is since its mastercam for solidworks
[17:41:37] <zeeshan> i made a list of different size fittings (using excel)
[17:41:41] <zeeshan> and the model updates automatically
[17:41:42] <zeeshan> and so does the cam
[17:41:59] <zeeshan> so i can make like 12 different type of fittings witht he same model/cam procedure
[17:42:09] <IchGuckLive> thats the best on pro CADcam
[17:42:19] <zeeshan> <- lazy
[17:42:21] <IchGuckLive> my ProE is also doing so
[17:42:29] <zeeshan> honestly, i used NX before this
[17:42:37] <zeeshan> nx's cam isnt intuitive at all
[17:42:45] <IchGuckLive> i got parametrik parts and projekts
[17:42:46] <zeeshan> mastercam is very intiuitive
[17:42:58] <zeeshan> IchGuckLive: you germans love proe
[17:43:08] <zeeshan> when i used to deal with german mold makers
[17:43:14] <IchGuckLive> that changes all the way douwn to partlist and CNc programs if the ASsembley is changed
[17:43:15] <zeeshan> their files were using proE
[17:43:19] <syyl_ws> proe/creo is a awfull piece of software
[17:43:32] <syyl_ws> aka piece of crap
[17:43:35] <IchGuckLive> syyl_ws: ;-)
[17:43:39] <syyl_ws> but it kinda works
[17:43:49] <Benjamin23> it is das kuput
[17:43:57] <PetefromTn_> Damn I just screwed up a part DOH!
[17:44:05] <Benjamin23> make it again
[17:44:10] <Benjamin23> this time go slower
[17:44:11] <PetefromTn_> Goin to
[17:44:11] <syyl_ws> paint it black
[17:44:15] <syyl_ws> ant ship by night
[17:44:19] <syyl_ws> nobody will notice
[17:44:21] <PetefromTn_> slow was not the problem this time it was me
[17:44:22] <IchGuckLive> creao nw has al the 4 main cattalogs inside also flow simulation and best for me is cooling issues on differend plastics
[17:44:34] <IchGuckLive> buts its 25k Euro
[17:44:59] <Benjamin23> has anyone make a tool to be really lazy for using thread taps?
[17:45:05] <PetefromTn_> I programmed a peel milling pass around the outside and did not realize CamBam remembered the last one I did which had a negative offset so it cut into the part.
[17:45:19] <PetefromTn_> yeah rigid tapping LOL
[17:45:41] <IchGuckLive> PetefromTn_: its friday
[17:45:47] <zeeshan> my latest project
[17:45:48] <PetefromTn_> I need to check my specs more carefully.
[17:45:49] <zeeshan> involves
[17:45:49] <zeeshan> http://i.imgur.com/eXrVasD.png
[17:45:53] <Benjamin23> essentially, it is the forward essence of failing, 10 steps forward, five steps back
[17:45:53] <zeeshan> and mounting TWIN TURBOS!
[17:45:59] <PetefromTn_> The good news is that I have a bunch of extra stock on hand now.
[17:46:00] <zeeshan> http://i.imgur.com/hJmjZxe.jpg
[17:46:06] <zeeshan> damn rx7 engine bay is so tight i have to use cad
[17:46:09] <zeeshan> to make the most of the space
[17:46:37] <Benjamin23> ?????
[17:46:44] <IchGuckLive> zeeshan: you got a real projekt i DID that on edelbrooks bevor retirerment
[17:47:00] <Benjamin23> zeeshan: did you CAD that engine and then materialize it?
[17:47:06] <zeeshan> i didnt cad that engine
[17:47:07] <syyl_ws> i prefer thread milling :D
[17:47:14] <zeeshan> im modifying it
[17:47:15] <zeeshan> externally
[17:47:16] <PetefromTn_> CamBam is really nice about remembering settings from previous ops which can and does save a lot of time but you gotta check everything in the list before you enable the OP of course.
[17:47:24] <syyl_ws> a broken threadmill gets out more easy than a tap
[17:47:31] <Benjamin23> hahahha
[17:47:35] <Benjamin23> indeed
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[17:48:02] <zeeshan> PetefromTn_: does it not have checks
[17:48:05] <zeeshan> for "crashes"
[17:48:18] <PetefromTn_> somewhat but not like the big boys.
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[17:48:27] <PetefromTn_> its a $200.00 program
[17:48:30] <Benjamin23> seeing there a lot of people here, how many are using external game pads for remotes?
[17:48:31] <zeeshan> well nx didnt really either, you had to visually check
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[17:48:35] <IchGuckLive> simuating reak naterial removement is always a good check
[17:48:35] <zeeshan> the tool path line would change
[17:48:42] <zeeshan> colors..
[17:48:53] <zeeshan> but with mastercam, this thing spits out massive dialog boxes at you when something crashes
[17:48:54] <IchGuckLive> and if you only got one mashine also tool holder check
[17:49:01] <Benjamin23> I'd like to use a xbox360 remote to external remote control
[17:49:16] <PetefromTn_> You can certainly visually check and that is how I keep out of trouble but I did not notice the .125 offset into the part because the following paths covered it up a bit somehow. Its my fault.
[17:49:21] <IchGuckLive> Benjamin23: did you saw my vids on that
[17:49:32] <zeeshan> PetefromTn_: you're human!
[17:49:52] <PetefromTn_> Oh it's no big deal just a bummer and time to take a breather from it for awhile.
[17:49:53] <IchGuckLive> Benjamin23: the XHC hbo4 at 90USD is also running as a full pendand
[17:50:08] <PetefromTn_> I am gonna go pick up my daughter from School and then hit it again after we get back home.
[17:50:11] <zeeshan> you guys dont use your keyboard
[17:50:15] <zeeshan> as a pendant?
[17:50:17] <zeeshan> like i do :)
[17:50:19] <PetefromTn_> Should have a new custom part here in a little bit.
[17:50:25] <PetefromTn_> I do.
[17:50:29] <IchGuckLive> PetefromTn_: school is off or isend it holiday time
[17:50:34] <syyl_ws> i also juse just the keyboard
[17:50:35] <zeeshan> i just set it to like .001 increments
[17:50:39] <zeeshan> and tap the key
[17:50:46] <PetefromTn_> I use the MPG
[17:50:49] <zeeshan> i dont know what t he big deal with all these fancy pendants is
[17:50:51] <syyl_ws> i dont see the need for a mpg
[17:50:59] <ReadError> i use a wireless keyboard
[17:51:00] <syyl_ws> even at work we dont use them
[17:51:00] <zeeshan> syyl_ws: same here
[17:51:01] <ReadError> works fine
[17:51:11] <PetefromTn_> WOah you would if you had one I use it CONSTANTLY.
[17:51:18] <syyl_ws> we have
[17:51:28] <zeeshan> clicking feels natural to me
[17:51:28] <zeeshan> :D
[17:51:32] <zeeshan> one click = 0.001"
[17:51:33] <syyl_ws> Heidenhain controllers with a pretty nice mpg
[17:51:36] <PetefromTn_> I cannot imagine running this machine without one.
[17:51:47] <IchGuckLive> PetefromTn_: agree
[17:51:50] <PetefromTn_> Touching off is so much quicker that way.
[17:51:55] <syyl_ws> touchof?
[17:51:58] <zeeshan> lol
[17:51:58] <syyl_ws> renishaw! :D
[17:51:58] <zeeshan> what
[17:52:06] <PetefromTn_> must be nice.
[17:52:07] <zeeshan> i can touch off easily with the keyboard too
[17:52:20] <syyl_ws> its awesome, PetefromTn_
[17:52:21] <syyl_ws> :D
[17:52:22] <zeeshan> click click bam
[17:52:25] <PetefromTn_> Even with the renishaw probes we used the MPG tons on the haas machines.
[17:52:35] <syyl_ws> hmm
[17:52:36] <zeeshan> thats cause they dont have a keyboard
[17:52:38] <zeeshan> that can do the same thing
[17:52:39] <zeeshan> :P
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[17:52:56] <syyl_ws> we do all manual axismovements with the jog buttons on the controlls
[17:53:05] <syyl_ws> and touchoff with the cycles
[17:53:14] <PetefromTn_> Honestly a nice Pendant is pretty cheap really so no real reason NOT to have one plus they give you the option for a big red estop button you carry with you inside the enclosure.
[17:53:14] <zeeshan> syyl_ws: can you adjust the sensitivity of the buttons
[17:53:21] <syyl_ws> what? no
[17:53:23] <zeeshan> to like .0001 0.001 etc?
[17:53:32] <zeeshan> so one click = 0.001
[17:53:32] <zeeshan> etc
[17:53:49] <syyl_ws> many funny crashes i have seen where caused by "manualy machining" with the mpg
[17:53:49] <syyl_ws> :D
[17:53:51] <zeeshan> PetefromTn_: my escape button works great
[17:53:57] <zeeshan> as an e-stop
[17:53:58] <syyl_ws> "just quick surface that"
[17:54:02] <syyl_ws> *cracks*
[17:54:10] <syyl_ws> "uhm..."
[17:54:11] <PetefromTn_> I do not use the MPG for manual machining
[17:54:19] <zeeshan> i use the keyboard for manual machining
[17:54:20] <zeeshan> lol
[17:54:22] <zeeshan> works great
[17:54:23] <PetefromTn_> I use the feed buttons for that. I do a LOT of maual machining
[17:54:23] <syyl_ws> i think thats good practice ;)
[17:54:37] <syyl_ws> thats way more controlled :)
[17:54:48] <zeeshan> you guys dont just set the feedrate in linuxcnc
[17:54:51] <PetefromTn_> wish there was a feed lock like the HAAS machines have tho.
[17:54:52] <zeeshan> and just move it manually?
[17:54:59] <zeeshan> PetefromTn_: what?
[17:55:02] <syyl_ws> ah
[17:55:04] <syyl_ws> like
[17:55:11] <syyl_ws> engageing the feed
[17:55:14] <zeeshan> when you set the feedrate to 2.5 ipm in linuxcnc axis...
[17:55:17] <syyl_ws> until button is pressed again?
[17:55:19] <zeeshan> and press the keyboard button left right
[17:55:23] <zeeshan> it moves at 2.5 ipm..?
[17:55:24] <syyl_ws> that would realy be nice
[17:55:42] <syyl_ws> yes zeeshan, but you have to stay on the button
[17:55:43] <PetefromTn_> sure set feedrate with slider, press appropriate axis feed button and lock it until it needs to be unlocked.
[17:55:56] <zeeshan> thats what i do..
[17:56:05] <PetefromTn_> how?
[17:56:07] <syyl_ws> thats a function i want too, PetefromTn_
[17:56:23] <zeeshan> i set the slider to 2.5 ipm, when im close to the part
[17:56:23] <PetefromTn_> its nice for facing off parts etc.
[17:56:24] <syyl_ws> beats putting a weight on the cursorbutton ;)
[17:56:25] <zeeshan> and then i machine away
[17:56:28] <zeeshan> manually
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[17:56:45] <PetefromTn_> yeah but do you have to hold the damn button down?
[17:56:48] <zeeshan> yes
[17:56:58] <zeeshan> and release it when im done
[17:57:02] <PetefromTn_> see what we would like is some way to lock it so you can take your finger off.
[17:57:11] <zeeshan> why
[17:57:14] <PetefromTn_> maybe CNTRL feed button.
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[17:57:19] <syyl_ws> so you can walk away!
[17:57:21] <zeeshan> thats asking for an accident
[17:57:22] <zeeshan> lol
[17:57:23] <PetefromTn_> so you can just stand there and watch.
[17:57:29] <syyl_ws> while taking a long face cut
[17:57:35] <PetefromTn_> Well most of the commercial controls have that feature.
[17:57:39] <syyl_ws> jep
[17:57:44] <zeeshan> i dont think thats hard to implement
[17:57:47] <syyl_ws> i know that from the heidenhain controllers
[17:57:56] <PetefromTn_> I used to do it on the HAAS all the time for facing off the parts.
[17:57:58] <syyl_ws> press the jogbutton and cycle start
[17:58:07] <syyl_ws> then the feed gets locked in
[17:58:21] <zeeshan> to be real honest with you
[17:58:27] <zeeshan> the longest part i've done is 24"
[17:58:30] <IchGuckLive> PetefromTn_: what haas do you got
[17:58:36] <PetefromTn_> HAAS had a feed lock feature that reset when you pressed any other feed button.
[17:58:37] <zeeshan> i just used mdi to g-code to do that.
[17:58:42] <PetefromTn_> NONE LOL
[17:58:57] <PetefromTn_> I have a CINCINATTI ARROW... Ran a bunch of Haas machines tho.
[17:59:06] <PetefromTn_> They all have this feature
[17:59:26] <skunkworks> duct tape?
[17:59:34] <zeeshan> skunkworks: rofl
[17:59:37] <IchGuckLive> Haas is bad on part zeroing as it has may keys to press for a offset on given zero
[17:59:40] <syyl_ws> jam a spoon between the keys ;)
[17:59:52] <IchGuckLive> VF3 as i speek
[18:00:01] <PetefromTn_> BS I found the HAAS controls to be very user friendly and capable.
[18:00:19] <IchGuckLive> agree on tat
[18:00:39] <PetefromTn_> Honestly I kinda wish I could make my Cinci run with similar controls.
[18:00:45] <IchGuckLive> on manuell use its better then haidenhain
[18:00:54] <PetefromTn_> The only thing I like better on the LinuxCNC is the graphical
[18:01:23] <PetefromTn_> but it does work well and has a lot of nice features for what it is. I am very pleased I went with LinuxCNC.
[18:01:54] <JT-Shop> should you use flood coolant on Delrin?
[18:01:54] <skunkworks> what would you like in linuxcnc?
[18:02:01] <PetefromTn_> And I have not even done anything interesting on the front end part just using a commercial coolant and dustproof keyboard and the original MPG and estop etc.
[18:02:22] <PetefromTn_> Constant feed control.
[18:02:30] <IchGuckLive> skunkworks: a halui to change jogging
[18:02:41] <syyl_ws> i miss some g-code features in linuxcnc
[18:02:43] <syyl_ws> :(
[18:03:03] <pcw_home> seems like the jog lock could be done in a jog component (and get rid of a lot of hal boilerplate)
[18:03:24] <skunkworks> PetefromTn_, I would think that would be doable in hal...
[18:03:28] <IchGuckLive> i mux it together
[18:03:39] <skunkworks> as IchGuckLive has said..
[18:04:02] <zeeshan> JT-Shop: high speed machining it?
[18:04:09] <zeeshan> http://plastics.dupont.com/plastics/pdflit/europe/design/L12565_11.pdf
[18:04:14] <zeeshan> dupont has this file
[18:04:18] <zeeshan> look at page 3
[18:04:26] <zeeshan> they recommend coolant for high speed machining.
[18:04:36] <PetefromTn_> maybe like I said just CnTRL plus the feed button to lock and then any button to release.
[18:05:22] <JT-Shop> zeeshan, machining and tapping yes
[18:05:39] <IchGuckLive> PetefromTn_: go gor G53 mdi mive
[18:05:45] <IchGuckLive> Move
[18:05:49] <zeeshan> says no lube needed for taping
[18:06:06] <PetefromTn_> naah don't wanna mess with coordinate systems.
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[18:06:26] <PetefromTn_> Just a simple feed lock that can be disabled quickly with a single button press.
[18:06:28] <IchGuckLive> Button X+ G53 G1 Xmax Fmill
[18:06:54] <PetefromTn_> why does it have to use G53?
[18:06:55] <IchGuckLive> esc wuill disable that
[18:07:06] <PetefromTn_> esc will estop.
[18:07:12] <JT-Shop> zeeshan, got some sfm and feed info on Delrin
[18:07:21] <IchGuckLive> G53 cause yu dont know the length to the end
[18:07:42] <IchGuckLive> PetefromTn_: G53 will always move as long as the axis goes
[18:08:19] <IchGuckLive> from whatever point you start
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[18:08:37] <IchGuckLive> and your feedoverride gives you a good speed
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[18:08:50] <IchGuckLive> speed control
[18:08:55] <PetefromTn_> well if it is invisible to me I guess I don't care but I just would like to be able to pickup my G54 offset and then face off multiple parts quckly without having to stand there holding down the button.
[18:09:13] <PetefromTn_> yup adjust max feedrate slider to desired speed.
[18:09:37] <zeeshan> JT-Shop: the stuff that is shown in mastercam for 'acetal' which is a variant of delrin
[18:09:41] <zeeshan> is 400SFM base.
[18:09:49] <PetefromTn_> I often do quick manual machining stuff with the mill and do not want to have to program everything sometimes.
[18:09:52] <zeeshan> drill 240SFM, contour, pocket 400
[18:09:54] <JT-Shop> thanks
[18:10:11] <IchGuckLive> PetefromTn_: therefor i use this 4 mdi commands
[18:10:27] <JT-Shop> any feed per tooth info?
[18:10:29] <IchGuckLive> no Z move so it is only in plane level nothing to harm
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[18:10:56] <PetefromTn_> yeah I know you can MDI it if you want but feedhold is quicker for simple stuff.
[18:11:08] <PetefromTn_> or rather feed lock.
[18:11:08] <zeeshan> base is set to 0.003 /in rev
[18:11:11] <zeeshan> in/rev
[18:11:16] <IchGuckLive> im off BYE
[18:11:21] <PetefromTn_> cya ich
[18:11:22] <zeeshan> looks like thats what they're using for all operations
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[18:11:56] <zeeshan> thats weird
[18:11:58] <JT-Shop> yea, that looks a little light
[18:12:12] <JT-Shop> I was going for 0.004" per tooth
[18:12:17] <zeeshan> yea, i'd think for plastics you want a lot of feed
[18:12:21] <zeeshan> so you dont build up heat
[18:12:25] <zeeshan> into work piece
[18:12:34] <JT-Shop> yep
[18:12:46] <zeeshan> its gotta be right though cause im looking at aluminum and their base feed for it is 0.020 in / rev
[18:12:47] <zeeshan> lol
[18:12:59] <zeeshan> so theyre on the high side of al
[18:13:38] <cradek> JT-Shop: I've had good luck with a 1-flute cutter and slow spindle and a surprisingly high feed
[18:14:00] <cradek> JT-Shop: if using anything more than 1-flute I'd definitely flood it so chips can come out
[18:14:03] <syyl_ws> almost everything works on delrin
[18:14:07] <syyl_ws> even a rusty nail
[18:14:13] <JT-Shop> I have a 2 flute dead sharp end mill
[18:14:14] <cradek> JT-Shop: (but I have not much experience with it)
[18:14:23] <syyl_ws> i run anything between 1 and 4 flutes
[18:14:36] <JT-Shop> I've run Delrin before but forgot what I used lol
[18:14:51] <syyl_ws> go for the two flute, dry, maybe with some air to clear the chips
[18:15:11] <syyl_ws> what cutter diam are you using?
[18:15:13] <JT-Shop> for this I have to balance force as I can only grab 1/8" of the bottom
[18:15:20] <JT-Shop> 3/4"
[18:15:37] <JT-Shop> I don't have air on the 308 only flood
[18:15:41] <PetefromTn_> I have cut a lot of delrin and it is about the easiest stuff to machine ever. Just crank up the feeds and moderate speed and you should be fine.
[18:16:02] <syyl_ws> flood doesnt hurt either
[18:16:14] <syyl_ws> our guys on the vmcs run delrin always with full flood cooleant
[18:17:04] <syyl_ws> https://dl.dropboxusercontent.com/u/24396704/QMTL2/IMAG0244.jpg
[18:17:07] <cradek> I had trouble reaming it to size - holes always came out small
[18:17:13] <syyl_ws> i prefer a dry cut ;)
[18:17:20] <syyl_ws> thats common in many plastics
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[18:17:41] <PetefromTn_> sure materials move away and then back once the cutter is removed.
[18:17:44] <JT-Shop> a winter wonderland
[18:17:52] <syyl_ws> i prefer interpolating holes over reaming in plastics
[18:17:58] <JT-Shop> yea, gotta have dead sharp inserts
[18:18:19] <PetefromTn_> I would try to cut it dry if you do not have a lot of deep pockets or other tooth clogging features.
[18:19:16] <syyl_ws> haha, as long as i do this for a living, making a mess of chips never gets odd :D
[18:19:18] <syyl_ws> https://dl.dropboxusercontent.com/u/24396704/QMTL2/2012-06-29_11-15-04_673.jpg
[18:20:20] <pcw_home> milling Pasta?
[18:20:59] <syyl_ws> polyurethane foam
[18:21:00] <cradek> parmesan!
[18:21:08] <syyl_ws> but machines very similar to delrin
[18:21:30] <PetefromTn_> my wife made a low carb zuccini parmesan dish last night that was DELICIOUS!!
[18:21:45] <syyl_ws> now i get hungry
[18:21:47] <syyl_ws> :(
[18:22:18] <PetefromTn_> yeah me too.
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[18:26:21] <JT-Shop> I'm making new bearing blocks for the plasma cutter... after putting it on a diet to reduce mass now I need new bearings to tighten it up
[18:29:13] <syyl_ws> strange
[18:29:27] <syyl_ws> i may be the only idiot that uses a caliper in woodworking ;)
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[18:37:05] <JT-Shop> sweet mirror finish on the part
[18:37:31] <JT-Shop> heh, I use a CNC mill to do my woodwork
[18:39:55] <PetefromTn_> Funny I was a Pro woodworker for almost 20 years and used a digital caliper quite a bit.
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[18:40:51] <archivist> we made a wooden ladder and got the two leg parallel to 0 deg 19 minutes :)
[18:41:01] <PetefromTn_> how to you keep the wood out of the coolant troughs?
[18:41:45] <PetefromTn_> I am afraid to cut too much wood in the VMC I don't want to gunk up the coolant or get it in the bearings etc.
[18:43:02] <syyl_ws> hm
[18:43:16] <syyl_ws> i never thought real woodguys use a caliper
[18:43:21] <syyl_ws> but i have to admit
[18:43:31] <syyl_ws> i know shit about woodworking :D
[18:44:19] <PetefromTn_> they are great for setting cutter depths and measuring how much MORE you gotta remove quickly without breaking out the calculator. Pretty much the same stuff you use it for metal is done for wood really
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[18:44:55] <PetefromTn_> I used to use it to set my router bit depths both on and off the router table or the same thing on my wood shaper machine I have here.
[18:45:09] <PetefromTn_> Well gotta go be back in a few.
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[18:52:54] <JT-Shop> I cut the cheek pieces and the stock on my BP CNC knee mill http://www.gnipsel.com/cannon/cannon.xhtml
[18:53:12] <JT-Shop> the stock took two setups
[18:55:36] <SpeedEvil> Wood can be worked very, very precisely compared to what is usually done - if you don't need to take movement over time into account
[18:55:41] <JT-Shop> Sweet the new bearing fits perfect... must be time to quit
[18:55:52] <SpeedEvil> the last bit can make it almost pointless to do so in many cases
[19:00:12] <t12_> http://tw.gigacircle.com/1752082-1
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[19:02:13] <archivist> cnc woodwork a pin/lantern gear http://www.collection.archivist.info/showresult.php?prog=1&srcprog=searchv13.php&srcdata=title&Type=PD&Accn_no=7739&subject=24526
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[19:02:56] <archivist> there is a wooden core the pins are pressed into
[19:03:20] <PetefromTn_> jeez man if that loaded any slower I would have clicked da X...
[19:05:40] <archivist> the local phone co is just this last week started getting fibre to the street boxes, may get faster soon
[19:12:19] <kfoltman> archivist: they're telco, I'm sure they mean cereal boxes for the techs ;)
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[19:13:05] * JT-Shop wished he had a street box to tie the string to
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[19:16:56] <archivist> currently the string is a mile and half to the exchange from me
[19:18:35] <SpeedEvil> more like 5 hear
[19:18:36] <SpeedEvil> here
[19:18:44] <SpeedEvil> 53dB attenuation
[19:19:17] <SpeedEvil> 54
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[19:52:03] <anarchos> if i bought a large AC serve could i use it as my spindle motor with linuxcnc?
[19:54:37] <SpeedEvil> Most/all brushless drivers have some means of turning on/off and speed control
[19:54:43] <SpeedEvil> err - not brushless driver
[19:54:50] <cradek> with a suitable driver and provisions for not overheating it, sure
[19:55:02] <SpeedEvil> My mind has gone blank about the proper term for a variable frequency drive.
[19:55:04] <SpeedEvil> Oh.
[19:55:05] <SpeedEvil> Doh.
[19:56:41] <anarchos> i was just thinking it would be kinda cool to be able to thread directly on my mill
[19:57:14] <cradek> you don't need a servo to thread with linuxcnc
[19:57:28] <cradek> you just need good spindle position feedback (an encoder)
[19:57:48] <SpeedEvil> Don't assume that AC motors inherently give position - they won't always
[19:58:06] <cradek> this is a classic case of "ask the real question first" heh
[19:58:49] <SpeedEvil> It's so easy to fall into that trap.
[19:58:55] <cradek> yep
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[20:30:59] <JT-Shop> anarchos, I rigid tap on my BP knee mill with the original AC motor and encoder feedback added driven with a VFD
[20:37:15] <PetefromTn_> Prototype is looking good so far whaddya say? http://i.imgur.com/PkatWr5.jpg
[20:39:06] <Nick001-shop> JT-Shop is your quill position motor stepper or servo?
[20:41:07] <PCW> An AC servo might be a bit better for blind tapping since it can reverse faster
[20:43:40] <Nick001-shop> I thought the feed motor was slaved to the spindle encoder
[20:43:52] <PCW> It is
[20:44:51] <Nick001-shop> so even turning the spindle by hand, the feed motor will track it
[20:45:12] <PCW> but an induction motor is not very fast at reversing so limits your speed in tapping blind holes
[20:47:19] <Nick001-shop> but it still slows the feed down as the motor reverses so it follows it accurately - still faster than a tapping head in a boring cycle
[20:48:22] <PCW> Not sure how often servos are used for spindles they tend to have smaller speed ranges
[20:48:24] <PCW> since you cant do tricks like rotor flux weakening that you can do with induction motors
[20:53:14] <Connor> I have a DC spindle. reversing is slow on it.. mostly because of the controller.. Uses a relay.. takes maybe 1/2 to 1 second to reverse.
[20:53:36] <Tom_itx> that's an eternity
[20:53:58] <Nick001-shop> My Hardinge's use servos for the spindle so it can be an issue for me. Also. what does it take in amp usage if your connected to a demand meter. I do some parts that have 40 tapped holes and your reversing a 7HP motor 80 times for each part - I would hate to pay that bill.
[20:54:35] <Connor> Tom_itx: Yea. but.. it works.. I'm not a production shop...
[20:54:52] <Connor> I've not really tested it on a blind hole yet.. just through holes.
[20:56:40] <Tom_itx> if you tap slow enough it should be fine
[20:57:23] <Deejay> gn8
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[20:58:00] <Connor> Spindle does have a break resistor.. so, it slows quickly.. it's the reversing... after it's slowed and stopped.. that's.. slow.
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[20:59:14] <Connor> I think I'm going to try to use my machine this weekend to machine the lift plate for my power drawbar.. Will be 2nd time doing steel.. and first time doing it CNC.
[20:59:50] <Connor> Well.. milling.. I did turn down some Cold Rolled on it one day..
[21:00:24] <Connor> Need to make sure my gcode is setup for the endmill size and fix speeds and feeds.. original was machined in aluminum.
[21:01:03] <Connor> Good thing is.. I'll be able to run coolant! :)
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[21:02:21] <Connor> Hmm.. Wonder what to choose for Material on fswizard...
[21:02:29] <Connor> I have NO idea what sort of steel this is..
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[22:43:41] <PetefromTn_> Connor Hey man I guess you do not want me to make those parts for you?
[22:48:10] <Connor> PetefromTn_: Which ones?
[22:48:25] <Connor> I've just been so down and out of it.. I just had a chance to get off of ground zero.
[22:48:31] <PetefromTn_> whichever one man I have not heard from you in awhile LOL
[22:48:49] <PetefromTn_> You are not mad at me are ya ;)
[22:49:27] <Connor> I was going to have you help with the face plate for the PC enclosure. and at some point help when I go to do ball screws.. which will require planning.
[22:49:40] <Connor> I just haven't had the motivation to do anything past few months.
[22:50:10] <Connor> Looking for a Social Security Disability Lawyer for the wife at the moment..
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[22:51:13] <PetefromTn_> Okay just as long as we are good let me know. I just finished a prototype for another rail today and it came out awesome so I am hoping I sell a TON of them. Could not have done this without your help my friend. Still got some more work to do on this monster too. I am going to try to machine the encoder mount soon I know I have said that about a dozen time lately but I need to.
[22:51:20] <PetefromTn_> damn that sucks.
[22:51:58] <Connor> It's been over a year since she's been able to work.. and it's not looking any better.
[22:52:12] <PetefromTn_> sorry to hear that man.
[22:52:12] <Connor> and we could use the missing income.
[22:52:25] <PetefromTn_> I'm sure.
[22:52:31] <PetefromTn_> anything I can do to help?
[22:53:10] <Connor> It's just a matter of getting off of dead zero.. we've been stuck in this rut.
[22:53:51] <PetefromTn_> I feel ya man. Thats what my whole life feels like it seems sometimes LOL. Trying to find work for this monster and doing what I can to keep busy sometimes seems futile.
[22:53:57] <SquirrelCZECH> hmm
[22:54:06] <SquirrelCZECH> any tips about how to make your machine more quiet
[22:54:08] <SquirrelCZECH> ?
[22:54:46] <Connor> PetefromTn_: Any idea what that steel was you gave me for my lift plate? was 3/8" black looking stuff.. bar stock.. no idea what it is..
[22:55:06] <zeeshan> hi PetefromTn_
[22:55:12] <zeeshan> connor might not be mad at you
[22:55:13] <zeeshan> but i am
[22:55:45] <Connor> zeeshan: Why you mad at him? :)
[22:55:56] <zeeshan> cause he has a cincinnati mill
[22:55:57] <zeeshan> and idont
[22:55:58] <zeeshan> :-)
[22:56:12] <zeeshan> if i had one, i'd be making nude sculptures
[22:56:16] <zeeshan> out of copper
[22:56:17] <zeeshan> :D
[22:56:31] <PetefromTn_> hell I am sure it was just hot rolled probably.
[22:56:38] <zeeshan> look at the scale
[22:56:38] <PetefromTn_> Don't remember.
[22:56:43] <zeeshan> if its got mill scale its hot roll
[22:57:46] <Connor> It's black.. that's all I know.
[22:58:10] <Connor> http://zero-divide.net/index.php?page=fswizard&shell_id=199&load_tool_id=27011
[22:58:13] <Connor> using that..
[22:58:24] <Connor> and this is the bit.. http://www.shars.com/products/view/8733/38_SE_5_Flute_RG_45_Helix_Radius_0020_ALTIN_Solid_Carbide_End_Mill
[22:59:16] <PetefromTn_> http://i.imgur.com/jwDrlcT.jpg http://i.imgur.com/CxaofFq.jpg http://i.imgur.com/vq03TXl.jpg
[22:59:35] <Connor> PetefromTn_: looking good
[22:59:41] <PetefromTn_> Thanks man..
[23:00:05] <PetefromTn_> Just finished the first part. Got the contours and the screw hole champfers spot on I think.
[23:05:24] <Connor> yea. looking good.
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[23:18:32] <PetefromTn_> I just got a couple nice endmills for steel from a guy I used to work with. He wants to pay me in cash/tooling for a side job LOL.
[23:18:43] <PetefromTn_> These are nice cutters tho.
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