Back
[00:00:22] <tjb1> Got a max of 632
[00:00:33] <tjb1> that comes out to about 154 volts if my math is correct
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[00:02:35] <Connor> tjb1 must have shorted something out. :)
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[00:03:31] <tjb1> That sound about right?
[00:03:54] <Connor> I know nothing about plasma voltage
[00:04:10] <tjb1> Its just math :)
[00:04:17] <tjb1> 632 = 3.088v
[00:05:18] <tjb1> Maybe its 216 volts...
[00:05:39] <Connor> whats the ohm's on the VD ?
[00:05:50] <tjb1> VD?
[00:05:55] <Connor> Voltage Divider
[00:06:00] <tjb1> 2k-5k
[00:06:05] <tjb1> takes 7 to 5
[00:06:30] <tjb1> means 4.323 is coming into divider
[00:06:55] <tjb1> Yeah 216 volts
[00:07:05] <tjb1> 4.323*50
[00:08:04] <Connor> Umm...
[00:08:07] <Connor> wait.
[00:08:16] <Connor> you have a 2k and a 5k for the Voltage divider ?
[00:08:21] <tjb1> yes
[00:08:29] <Connor> what's the output before the VD ?
[00:08:34] <tjb1> max of 7
[00:08:41] <Connor> okay.
[00:09:19] <Connor> okay, so. 7v is what voltage for the plasma ?
[00:09:30] <tjb1> 350
[00:10:11] <Connor> okay. so .02mv per v
[00:10:33] <Connor> and you need to scale the 7 down to 5
[00:11:02] <tjb1> If I reverse the voltage divider calculator
[00:11:04] <tjb1> 3.088 out is
[00:11:11] <tjb1> 4.323 in
[00:11:23] <tjb1> Take that times 50 and its 216
[00:13:57] <tjb1> For the arduino I just need to take the analog voltage and multiply that by 70.142 to get the arc voltage
[00:14:21] <tjb1> I can display that on a 16x2 LCD
[00:14:27] <tjb1> Use pot to adjust range
[00:15:03] <Tom_itx> you may want to add a resistor to the pot wiper in case of a short
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[00:15:37] <tjb1> Where?
[00:16:28] <Tom_itx> usually if you turn a pot all the way it will hit the end stops and be 0 ohm
[00:16:37] <Tom_itx> adding a resistor to the wiper will prevent that
[00:16:44] <Tom_itx> unless you desire that effect
[00:16:58] <tjb1> So a resistor there will make it whatever the resistor value is
[00:17:08] <Tom_itx> yeah
[00:17:11] <tjb1> and if its a 10k the high value will be 10k + resistor?
[00:17:14] <Tom_itx> like 100 ohm or something
[00:17:32] <Tom_itx> test it
[00:17:33] <Tom_itx> and see
[00:17:42] <tjb1> I gotta go install cabinets
[00:17:45] <tjb1> Done testing for now
[00:18:12] <tjb1> Next step is either having arduino solely control the z axis or send the signals into linuxcnc
[00:21:50] <tjb1> So my THC will work for hypertherm plasma :)
[00:21:52] <tjb1> but not any others
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[00:47:49] <r00t4rd3d> you have a grbl shield?
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[00:55:31] <jdh> connor: can't find any NPT fittings. Found lots of port plugs though.
[01:07:49] <r00t4rd3d> will a flex coupler with a smooth 3/8 bore hold good on 3/8 threaded rod?
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[01:09:22] <jdh> clamp coupler?
[01:09:32] <r00t4rd3d> yeah
[01:09:40] <r00t4rd3d> http://www.ebay.com/itm/Flexible-Aluminum-Shaft-Coupler-1-4-x-3-8-CNC-Router-Mill-Ships-from-USA-/280915398272?pt=LH_DefaultDomain_0&hash=item4167dcce80
[01:09:42] <r00t4rd3d> like that
[01:10:53] <jdh> maybe, if it clamps tighter than 3/8
[01:11:12] <jdh> what's the real diameter on your rod?
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[01:11:17] <Jymmm> http://www.suntekstore.com/goods-14002023-stepper_motor_flexible_shaft_coupling_coupler_635x8mm.html
[01:11:31] <Jymmm> http://www.suntekstore.com/goods-14000192-one_aluminum_flexible_coupler_for_stepper_motor_1in_x_075in.html
[01:11:50] <r00t4rd3d> 3/8 is 9.52mm
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[01:12:09] <jdh> measure your rod
[01:12:20] <Jymmm> thats what she said
[01:14:06] <r00t4rd3d> i might just belt drive it
[01:14:32] <jdh> sdp-si.com
[01:15:11] <r00t4rd3d> cncrouterparts.com im sure is cheaper
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[01:16:07] <r00t4rd3d> http://www.cncrouterparts.com/nema-23-rp-motor-pulley-p-71.html
[01:16:24] <r00t4rd3d> i have an extra 3/8 one already
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[01:17:52] <r00t4rd3d> i should put a motor on each end
[01:18:01] <r00t4rd3d> 2 wheel drive
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[01:34:58] <Connor> jdh: Okay Cool. Were can I find NPT fittings ?
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[01:38:43] <jdh> if you have an inflator hose, you can get an adapter that plugs in and has npt
[01:39:02] <Connor> The both have standard BC hoses.
[01:39:08] <Tom_itx> Valen, i took all the extra moves out of my program and bumped the feed/speed up some. works like a champ
[01:39:17] <Connor> the quick release ones..
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[01:41:13] <jdh> dive shops have them. sometimes with tire inflators on them.
[01:41:21] <Connor> ok
[01:41:59] <Connor> I'll visit Rheas Dive shop in Maryville.. or see if there is a one here close by
[01:42:35] <jdh> or cut a crappy hose and stick a barb fitting on it.
[01:43:11] <Valen> i thaught it might ;->
[01:43:25] <Valen> anyway time to go do some milling myself
[01:43:51] <Tom_itx> i didn't bump it up alot but some
[01:44:02] <Tom_itx> getting rid of the extra passes was a big help
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[01:45:28] <Tom_itx> ok i've got a question about cutting plastics. how does plexiglas cut compared to ABS? as far as heat, feeds and speeds etc
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[01:48:15] <Valen> plexiglas acrylic or polycarb?
[01:48:23] <Tom_itx> acrylic
[01:48:36] <Valen> its easier to cut
[01:49:00] <Valen> abs is soft, acrylic is hard so it shaves off easier
[01:49:21] <Tom_itx> ok, going from a .031" cutter to a .187 and ABS to acrylic how much should i adjust the feed?
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[01:49:47] <Tom_itx> i was feeding the .031 at 8 ipm and it was doing real good
[01:49:58] <Tom_itx> i don't wanna get the acrylic hot
[01:50:01] <Valen> i dunno the numbers i'd just to some test cuts until it seems the sweet spot
[01:50:13] <Tom_itx> yeah it takes a while to find it
[01:50:30] <Valen> just do cuts in the bulk plastic, not making parts
[01:50:36] <Tom_itx> i gotta get my spindle encoder working
[01:50:42] <Tom_itx> pfft
[01:51:06] <Tom_itx> should i make 2 passes in .250" material or just one?
[01:51:23] <Tom_itx> i'm afraid it will ball up on the cutter
[01:51:24] <Valen> what size cutter?
[01:51:30] <Valen> nah it shouldn't ball
[01:51:30] <Tom_itx> .187"
[01:51:44] <Valen> nah it should do it in one pass ok
[01:51:54] <Tom_itx> i'll hold you to your work :D
[01:51:57] <Tom_itx> word*
[01:51:58] <Valen> we cut 3mm with a 2mm cutter in one pass
[01:52:25] <Valen> i'm not usually the person running the machine so i don't rember the details
[01:52:58] <Tom_itx> i've got extra plastic i just don't wanna break a new cutter
[01:53:20] <Tom_itx> .218" thick material
[01:53:20] <Tom_itx> just mic'd it
[01:53:56] <Tom_itx> 7/32"
[01:54:33] <Tom_itx> it's just a tool holder for all my collets and mills
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[02:00:31] <taiden> i'm really shocked
[02:00:44] <taiden> at how hard it is to find a hot glue gun with an extended tip
[02:01:08] <Connor> http://www.suntekstore.com/goods-14002532-dc_12v_14_inch_electric_solenoid_valve_for_air_water.html
[02:01:09] <taiden> there seems to be a single place that sells them but they are for $100+ glue guns
[02:01:22] <Connor> wonder if two of those would work for the setup..
[02:01:24] <taiden> I use a $5 glue gun that works fine but the reach isn't good enough
[02:01:34] <Connor> looks like they're good up to 142PSI
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[02:10:45] <jdh> I think you only need one.
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[02:25:40] <Connor> jdh: Need two. I need one for push and one for pull
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[02:34:57] <Jymmm> Free Slurpees today till 2300
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[02:56:30] <Jymmm> How do you cut/drill ferrocerium?
[03:07:23] <tjb1> This cabinet is being a pigme >:(
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[03:10:35] <Tom_itx> if you're using the tool table do you set z from the first tool in the program or the first tool in the tool table?
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[03:31:46] <Tom_itx> any way i try doesn't seem to be right
[03:32:17] <Tom_itx> i guess i may have to break the program up by tools until i can figure out how the table works in relation to the z fixture offsets.
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[03:41:32] <toastydeath> Tom_itx, traditionally the first tool sets the work plane and then all other tools are touched off from that plane - i.e. relative to the first tool's length
[03:50:14] <Tom_itx> well it isn't working like that
[03:50:36] <Tom_itx> that's kinda what i thought too. it's how we normally set our machines up
[03:50:47] <Tom_itx> but i'm still getting used to linuxcnc
[03:51:17] <Tom_itx> i tried setting with the first tool in the program and also with the first tool in the tool table
[03:51:29] <Tom_itx> and each time the 2nd tool called up had the wrong offset
[03:52:16] <Tom_itx> i'm not using touchoff. rather presetting the tool lengths and entering them in the table
[03:52:37] <Tom_itx> and using the first tool called as zero offset for both the tool and the work offset
[03:54:13] <Tom_itx> i broke the program up into tools and it works fine
[03:54:29] <Tom_itx> i would like to figure out how the tool table is supposed to work though
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[03:54:49] <tjb1> Got the two island cabinets in, perfectly level and with a perfect 24" gap between them
[03:54:55] <tjb1> Im ecstatic
[03:54:56] <Tom_itx> we would typically use a dowel pin to set the initial tool and fixture zero
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[03:55:11] <Tom_itx> and set all the tools from that
[03:55:33] <Tom_itx> and that's what i tried here but it didn't work as expected
[03:58:41] <Tom_itx> i don't have a tool changer but i did set up manual tool change and that part works fine as well.
[03:59:35] <Tom_itx> i can post each tool separately but it's a pita and hopefully can be avoided
[04:01:58] <Tom_itx> toastydeath, does the first tool need to be the longest or does that matter?
[04:02:02] <Tom_itx> it shouldn't matter
[04:02:09] <toastydeath> doesn't matter
[04:02:15] <toastydeath> there's some best practice argument
[04:02:17] <Tom_itx> you just adjust your offset positive or negtive accordingly
[04:02:23] <Tom_itx> i know
[04:02:32] <Tom_itx> best to set the longest first probably
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[04:02:35] <toastydeath> ya
[04:02:48] <toastydeath> i'm sure you've experienced the same, it doesn't help the majority of crashes
[04:02:53] <Tom_itx> that's why i'm testing it well above the work first
[04:03:07] <Tom_itx> once i figure it out i'll feel better
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[04:04:18] <Tom_itx> i don't feel confident enough yet to post code and run it. i've been doing dry runs on each progressive step with linuxcnc
[04:04:48] <Jymmm> Tom_itx: just set zero 2" higher than it should be =)
[04:04:54] <Tom_itx> i am
[04:05:16] <Tom_itx> then i check where the tool should be with a 123 block
[04:05:29] <Tom_itx> and it's not where it should be yet :)
[04:05:38] <Jymmm> how do you mean?
[04:05:49] <Tom_itx> i start with T10
[04:05:54] <tjb1> How do you keep your tools from rusting when they sit in the toolbox for an extended time?
[04:06:05] <Tom_itx> set z zero offset and set the tool to zero offset
[04:06:13] <toastydeath> tjb1, light oil
[04:06:15] <Tom_itx> next tool i set relative to that point
[04:06:19] <toastydeath> also, keep them in a dry place
[04:06:27] <Tom_itx> and enter z in the tool table
[04:06:32] <toastydeath> and keep some kind of dessicant in the box drawers
[04:06:32] <Jymmm> tjb1: fill the draw full of oil
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[04:06:38] <tjb1> Well I dont exactly have a choice at school
[04:06:58] <tjb1> I have 1-2-3 blocks rusting, a grinding vise, sine bar...
[04:07:03] <Jymmm> oil soaked rag, then wrap in foil
[04:07:14] <Tom_itx> cosmolene
[04:07:19] <Jymmm> Tom_itx: ew
[04:07:26] <Tom_itx> very effective
[04:07:32] <Jymmm> no cosmolene@
[04:07:54] <tjb1> What takes rust off without ruining the finish?
[04:08:07] <Tom_itx> pickling
[04:09:14] <Tom_itx> http://en.wikipedia.org/wiki/Pickling_%28metal%29
[04:09:59] <tjb1> So just dip them in hydrochloric acid
[04:10:21] <Tom_itx> i'd try another approach before i did that
[04:10:33] <Jymmm> CLR?
[04:10:53] <tjb1> Wonder if blaster and a paper towel would do any good
[04:11:13] <Tom_itx> 3m pad
[04:11:19] <Tom_itx> and some oil
[04:11:21] <Jymmm> just rub them with oil and LIGHTLY with a scotchbright pad
[04:11:29] <Tom_itx> that's what i just said
[04:11:31] <Tom_itx> :)
[04:11:49] <tjb1> I did walmart gun blue most of the stuff I made
[04:11:51] <Jymmm> Tom_itx: you didn't say LIGHTLY biotch =)
[04:11:55] <tjb1> It helped but they still rusted a little
[04:12:02] <Jymmm> tjb1: So?
[04:12:09] <Jymmm> tjb1: MORE oil
[04:12:12] <Tom_itx> and a white 3m pad is finer than say the green or blue or purple
[04:12:24] <tjb1> I shall oil the hell out of them :)
[04:12:33] <Jymmm> tjb1: monthly
[04:12:45] <tjb1> weekly.
[04:12:46] <tjb1> ;)
[04:13:59] <Jymmm> minutely
[04:14:10] <Tom_itx> pickling will sometimes leave pits and you don't really want that
[04:14:22] <Tom_itx> if the rust has done the damage already
[04:18:10] <tjb1> Im certainly not re grinding the stuff
[04:18:32] <toastydeath> scrape it in
[04:18:35] <toastydeath> clearly
[04:18:39] <tjb1> I despise surface grinding
[04:18:52] <toastydeath> lol what
[04:18:57] <toastydeath> how can you hate grinding
[04:19:03] <toastydeath> it's long and you can walk off and do other bullshit
[04:19:32] <tjb1> Ive never gotten to use the auto grinders
[04:19:55] <toastydeath> Oh.
[04:19:55] <tjb1> Now do you understand? :)
[04:19:59] <toastydeath> that would explain it, yeah.
[04:20:11] <tjb1> Sit there for hours and get a huge left arm
[04:20:25] <toastydeath> does it have auto feed on Y
[04:20:32] <tjb1> No it was all manual
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[04:20:50] <toastydeath> really?
[04:20:56] <tjb1> Yep
[04:20:58] <toastydeath> every single stroke on X you have to move it by hand
[04:21:04] <tjb1> Yes
[04:21:05] <toastydeath> is the X auto at least?
[04:21:09] <tjb1> Nothing was auto
[04:21:17] <toastydeath> I'd crush feed it
[04:21:40] <toastydeath> near full depth, full pass on wheel width
[04:21:45] <toastydeath> slow as balls
[04:22:02] <tjb1> Slow as balls, one false move and you blow the wheel up
[04:22:06] <toastydeath> neg
[04:22:12] <toastydeath> you're doing it in the wrong direction if that happens
[04:22:20] <tjb1> feed against then
[04:22:24] <toastydeath> yep.
[04:22:35] <toastydeath> then you only have to do one final pass
[04:22:38] <tjb1> Always dressing the damn wheel...
[04:22:54] <tjb1> coolant everywhere :P
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[04:23:11] <tjb1> It was the highlight of my monday and wednesdays from 5 til 9pm
[04:23:31] <toastydeath> something's wrong if you're redressing the wheel THAT often
[04:24:02] <tjb1> Its a school, we cant leave them on :)
[04:24:09] <tjb1> Turn them off, then turn them back on and off then on
[04:24:37] <toastydeath> ...?
[04:24:48] <tjb1> Suppose to leave surface grinders run
[04:25:08] <toastydeath> you have a lot of spindle movement as it warms up, i guess
[04:25:14] <toastydeath> sucks
[04:25:21] <tjb1> Then the chance the wheel slips off center
[04:25:27] <toastydeath> get really good at flycutting then
[04:25:32] <tjb1> Easier to dress then to screw it up
[04:25:53] <toastydeath> we got really good at flycutting large pieces and on a good mill it rivals grinding for most tolerances
[04:26:07] <tjb1> Most of the stuff we were grinding was made 2-3 semester earlier so you didnt want to screw it up
[04:26:31] <tjb1> Yeah thats another problem, we have no good cutters
[04:26:42] <toastydeath> flycutting is no harder to do than grinding
[04:26:52] <tjb1> If there is a carbide cutter someone has cranked the insert in so hard that you have to break the insert to get it out
[04:27:09] <tjb1> They really shouldnt let the students change inserts
[04:27:32] <tjb1> Ive broken/stripped/twisted multiple allen wrenches
[04:27:36] <toastydeath> lol
[04:27:38] <toastydeath> i love students
[04:28:05] <toastydeath> I saw one kid accidentally discover friction welding when he ran a 1" hss bit backwards at 2400 rpm
[04:28:08] <toastydeath> through steel
[04:28:19] <tjb1> No surprise
[04:28:57] <tjb1> We have an edm teacher, not sure if he is serious but he said this one metal pipe was to listen to the arc
[04:29:09] <tjb1> No way in hell I am sticking a metal pipe near a wire edm
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[04:54:15] <tjb1> Goodnight all
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[06:29:13] <Loetmichel> mornin'
[06:29:24] <Jymmm> ug
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[07:09:13] <DJ9DJ> moin
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[10:13:35] <r00t4rd3d> http://www.precisebits.com/products/equipment/er16_colletadapter.asp
[10:13:46] <r00t4rd3d> where can i get one of those with a 1/4 inch shank?
[10:14:56] <r00t4rd3d> nvm
[10:14:57] <r00t4rd3d> http://www.amazon.com/Trend-CE-127635-Router-Extension/dp/B001UQ5P3U
[10:15:13] <r00t4rd3d> "collet extension" was what i was looking for.
[10:22:05] <r00t4rd3d> I wonder if anyone uses a air die grinder for a spindle
[10:23:43] <r00t4rd3d> yes i guess would be the answer
[10:25:01] <r00t4rd3d> http://www.cnccookbook.com/img/OthersProjects/SmCNC1.jpg
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[14:58:10] <Tom_itx> JT-Shop you around?
[14:59:06] <Tom_itx> i tried setting up my G54 fixture offset and tool length offsets using the tool table and wanted to try and figure out where i'm going wrong.
[14:59:59] <Tom_itx> i know how we did it at the 'big' shop and that's what i did but the length offset on the 2nd tool called up was way off
[15:00:20] <Tom_itx> i tried entering it both as a positive and negative number thinking i screwed that up
[15:01:17] <Tom_itx> i set G54 z zero with the first tool called in the program and set both z offsets to zero
[15:01:28] <Tom_itx> and set the other tools relative to to that
[15:02:52] <jdh> t<n> M6 G43?
[15:03:36] <jdh> or G43 H<n>?
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[15:11:48] <JT-Shop> yes in and out
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[15:14:52] <Tom_itx> G43 Hx
[15:15:35] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/cnc_files/enc_hub.txt
[15:15:40] <Tom_itx> there's a sample of my cam output
[15:16:37] <Tom_itx> the offset move is generally called on a z move
[15:18:25] <jdh> does that work?
[15:18:36] <Tom_itx> for the first tool yes
[15:18:51] <Tom_itx> because it's a zero offset
[15:18:55] <Tom_itx> i guess
[15:19:07] <Connor> What does it do 2nd time around ?
[15:19:07] <Tom_itx> a 2nd tool would be off by the tool table offset
[15:19:23] <JT-Shop> Tom_itx, I'm online with a remote PLC making some program changes so it will be about 1/2 hour before I can look
[15:19:31] <Tom_itx> JT-Shop i've got all day
[15:19:36] <Tom_itx> week
[15:19:37] <Tom_itx> month
[15:19:39] <Tom_itx> :D
[15:20:06] <jdh> did your CAM generate this?
[15:20:10] <Tom_itx> if i need to change the cam output format i can
[15:20:11] <Tom_itx> yes
[15:20:45] <Connor> Why not just use the tool table for the offset and be done with it ?
[15:20:50] <Tom_itx> i modded my other sherline one specifically for linuxcnc
[15:21:00] <Tom_itx> Connor that's the issue, i'm trying to
[15:21:12] <Tom_itx> but the offsets are off
[15:21:33] <Connor> I don't think the cam needs to do the H1
[15:21:54] <Tom_itx> it doesn't by default but it's VERY good practice
[15:22:08] <Tom_itx> you can use an alternate H word on a tool if you feel like it
[15:22:10] <jdh> what is the Z for on the G43 line?
[15:22:22] <Tom_itx> move to the z clear height probably
[15:22:33] <Tom_itx> yes
[15:22:55] <Tom_itx> that's what the cam does, hand written it wouldn't need to be there
[15:23:03] <jdh> looks odd between the G43 and the H1
[15:23:15] <Connor> Tom_itx: Did you make sure to RELOAD the tool table after making changes to the tool height ?
[15:23:18] <Tom_itx> that's the format all other machines i've used like
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[15:23:27] <Tom_itx> Connor of course
[15:23:37] <Connor> I know. Stupid question.. but.. gotta ask. :)
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[15:23:45] <Tom_itx> i've covered my bases
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[15:24:10] <Tom_itx> i may have stole one though
[15:24:38] <Tom_itx> fanuc, okuma, tree, fadal all use that format
[15:25:05] <jdh> they use Nnnn too, doesn't make it good :)
[15:25:11] <JT-Shop> G43 does not cause any motion. The next time a compensated axis is moved, that axis’s endpoint is the compensated location.
[15:25:13] <Connor> I was testing from the MDI.. and I never had to do the G43 command for tool offset.
[15:25:24] <Tom_itx> JT-Shop right
[15:25:30] <Tom_itx> should the move be on a separate line?
[15:25:36] <Tom_itx> or does it matter
[15:25:47] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/cnc_files/enc_hub.txt
[15:25:54] <Tom_itx> JT-Shop ^^ there's a sample output
[15:25:58] <JT-Shop> I would assume a separate line
[15:26:11] <Tom_itx> and it's a rapid move
[15:26:21] <Tom_itx> which shouldn't matter
[15:26:41] <Connor> or maybe I was just calling G43 outright..
[15:26:51] <Connor> I'll have to look on the machine.
[15:27:07] <Tom_itx> or instead of G43 Z-0.9 H1 maybe format it like: G43 H1 Z-0.9
[15:27:13] <Tom_itx> that also shouldn't matter
[15:27:57] <Tom_itx> i plan to leave the H word in as it is just good practice
[15:28:05] <JT-Shop> if you load each tool with Tn M6 G43 then jog to a point does the dro agree with your expectations?
[15:28:16] <Tom_itx> not on the 2nd tool
[15:28:27] <Tom_itx> the first tool called has a zero offset
[15:28:33] <Tom_itx> in one case it was T10
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[15:28:51] <Tom_itx> and the G54 z fixture offset is set from that to zero
[15:29:35] <JT-Shop> do you have touch off to fixture or workpiece selected when you touch off Z0 G54?
[15:29:47] <Tom_itx> i use the touchoff dialog
[15:29:57] <Tom_itx> for the fixture
[15:30:09] <Tom_itx> and verify it on the axis display
[15:30:47] <JT-Shop> in the machine menu which one is selected
[15:31:04] <Tom_itx> axis? the z
[15:31:11] <Tom_itx> i've checked for stuff like that
[15:31:38] <Tom_itx> i don't have it up right now to check
[15:33:07] <r00t4rd3d> http://i.imgur.com/P1MGb.jpg
[15:33:11] <r00t4rd3d> Gingerbread Crack House
[15:33:36] <FinboySlick> r00t4rd3d: I'm amused.
[15:34:30] <r00t4rd3d> so was i
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[15:39:32] <r00t4rd3d> i just realized the H in hour was silent :/ If you say it with the H it sounds like a arab saying whore.
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[15:43:08] <r00t4rd3d> say this with a southern accent and pronounce the H in hour, "You dirty hour"
[15:43:08] <r00t4rd3d> lol
[15:44:20] <Tom_itx> JT-Shop i think i see what you mean
[15:44:47] <Tom_itx> Touch tool off to workpiece vs Touch tool off to fixture
[15:44:51] <Tom_itx> which one should i use?
[15:45:51] <Tom_itx> it should be fixture for using G54..59 offsets shouldn't it?
[15:46:22] <r00t4rd3d> I thought you used that with a touch off plate or something
[15:47:42] <Tom_itx> but i'm not 'touching off'
[15:47:50] <Tom_itx> rather entering an offset value manually
[15:48:54] <r00t4rd3d> im gonna make a touch off plate
[15:48:58] <Tom_itx> i'll try it both ways later on and just see
[15:49:03] <r00t4rd3d> http://www.youtube.com/watch?v=PAeQZ3ux2NY
[15:49:13] <Tom_itx> just read the axis manual on it
[15:52:27] <cradek> use MDI to enter an offset value directly
[15:52:47] <cradek> touch off isn't for that
[15:53:08] <cradek> touch off is for edgefinder-like activity
[15:54:23] <Tom_itx> well i use it for edge finder too
[15:54:39] <Tom_itx> but use the tool tip of the first tool to set G54 z zero
[15:54:57] <cradek> ok that's exactly what touch off is for
[15:55:02] <Tom_itx> the rest are manually entered into the tool table z offset value
[15:55:26] <Tom_itx> measured from the same location as the first tool
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[15:55:45] <Tom_itx> it is likely that option in the 'machine' menu
[15:55:48] <Tom_itx> i'll try that later on
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[16:04:02] <r00t4rd3d> http://www.ebay.com/itm/CNC-mill-or-router-Tool-Height-setting-Touch-Off-Plate-/330738209759?pt=LH_DefaultDomain_0&hash=item4d018893df
[16:04:12] <r00t4rd3d> i wonder if that would work with lxcnc?
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[16:11:33] <TekniQue> r00t4rd3d: I'm confused, which way should face up?
[16:11:46] <TekniQue> that part looks complex for what the job is
[16:14:31] <JT-Shop> Tom_itx, you get your mind right?
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[16:15:41] <Tom_itx> not yet but i can't test it right now
[16:17:38] <JT-Shop> ok
[16:18:19] <JT-Shop> Tom_itx, do you have presettable tools ie not R8?
[16:18:25] <Tom_itx> yes
[16:18:30] <Tom_itx> separate collets
[16:19:00] <JT-Shop> so you can take tool out of the spindle then put it back and the Z offset is the same?
[16:19:28] <Tom_itx> yes
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[16:20:02] <JT-Shop> ok, if you set the Z0 for all your tools to some common point you can take any tool and set the Z0 for the material
[16:20:44] <Tom_itx> that's basically how i did it
[16:21:09] <Tom_itx> i used the first tool in the program and set it to zero and set the fixture offset to zero from it as well
[16:21:11] <JT-Shop> so for example with Machine > Touch off to fixture selected you set the tool table Z for each tool
[16:21:16] <Tom_itx> then set the others relative to that
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[16:21:54] <Tom_itx> it may be better to try it when i'm at the machine
[16:22:02] <Tom_itx> but i'll take note anyway
[16:22:12] <JT-Shop> then with Machine > Touch off to Material selected you take any tool that is loaded with G43 and touch off the Z0 for the material
[16:23:10] <Tom_itx> what difference does that touch to workpiece vs touch to fixture make?
[16:23:15] <JT-Shop> so I load a tool like T1 M6 G43 then jog over to the material and using my trusty 3/8" dowel set the g54 Z offset to 0.375
[16:23:50] <Tom_itx> yeah, i do that too but i offset it in the cad and just enter the value
[16:24:00] <JT-Shop> iirc touch to fixture uses G59.3 or something like that to make sure you don't have any offsets that might get added into your touch off
[16:24:16] <Tom_itx> so i want touch to workpiece selected then right?
[16:24:28] <cradek> this is very carefully described in the docs
[16:24:46] <JT-Shop> :-)
[16:24:47] <Tom_itx> i went over it cradek
[16:25:02] <Tom_itx> but i'm not at the machine to test it right now
[16:25:09] <Tom_itx> i will later today though
[16:25:20] <Tom_itx> got ppl over right now
[16:25:43] <cradek> ... but I can't find it :-/
[16:25:49] <JT-Shop> I made a pyvcp button to touch off to material as I always use the same size dowel to gauge with
[16:26:01] <Tom_itx> cradek i read it already
[16:26:12] <Tom_itx> unless you're gonna show me something else :)
[16:26:33] <cradek> aha
[16:26:34] <cradek> http://www.linuxcnc.org/docs/html/gcode/gcode.html#_g10_l10_set_tool_table_a_id_sec_g10_l10_a
[16:26:40] <JT-Shop> http://linuxcnc.org/docs/html/gui/axis.html#_menu_items
[16:26:41] <cradek> the L10 and L11 sections
[16:27:14] <cradek> but you might not have known that those are exactly G10L10/G10L11
[16:27:33] <JT-Shop> crap I see a borked link
[16:29:07] <Tom_itx> i don't use the G10 to set the offsets
[16:29:08] <Tom_itx> should I?
[16:29:17] <cradek> touch off calls G10
[16:29:20] <Tom_itx> i manually edit the tool table
[16:29:25] <Tom_itx> oh ok
[16:29:34] <cradek> these sections describe the difference between "to workpiece" and "to fixture"
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[16:30:03] <Tom_itx> i read over that briefly but don't have time to focus on it right now
[16:30:40] <Tom_itx> JT-Shop you don't worry about chipping a cutter with your touch off button?
[16:31:02] <jthornton> what do you mean Tom_itx ?
[16:31:17] <Tom_itx> <JT-Shop> I made a pyvcp button to touch off to material as I always use the same size dowel to gauge with
[16:31:33] <Tom_itx> don't you use a tool for that?
[16:31:49] <jthornton> the button just does the g code to set the offset
[16:31:55] <Tom_itx> or do you use a dowelpin in a tool fixture
[16:31:58] <Tom_itx> we used to do that
[16:32:07] <Tom_itx> oh ok
[16:32:31] <Tom_itx> i'll fiddle with it later on and see if i can work it out
[16:32:33] <jthornton> I use a dowel on the material for my G54 Z offset and the same dowel on my spindle face for tool table offset
[16:32:47] <Tom_itx> i'm not sure where the workpiece vs offset was set in the menu
[16:33:07] <Tom_itx> gtg right now
[16:33:12] <jthornton> ok
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[17:05:27] <Connor> jdh: Got the air cylinder in today! :)
[17:05:51] <jdh> cool.
[17:06:32] <jdh> I have port plugs if you need them. You need to leave a 2nd stage on, or put an OPV in its place.
[17:06:45] <jdh> how are you planning on getting the tanks filled?
[17:06:57] <Connor> I'm certified.
[17:07:07] <jdh> I meant hydro/vip
[17:07:27] <Connor> Oh. I'll have to have them hydro'd probably.. they both are still full though.
[17:07:45] <Connor> 2000psi in the one I was using to test with last night.
[17:07:47] <jdh> steel or aluminum?
[17:07:59] <Connor> steel. So, they were only filled to 2200
[17:08:51] <jdh> I have a couple of steel 72's I use for oxygen for deep caves
[17:09:08] <ReadError> i think i have some good gcode for PCB milling :)
[17:09:38] <jdh> ReadError: do you have good bits, good spindle runout, good tram?
[17:11:45] <ReadError> http://www.precisebits.com/products/carbidebits/scoreengrave.asp
[17:12:01] <ReadError> EM2E8-0625-90VC 90° "V" point, ZrN coated PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip web,1.42 in. (36mm) OAL
[17:12:17] <Connor> jdh: Yea, I'll need 1 plug.. and if you found a OPV that would be cool.
[17:12:38] <jdh> I think I saw one last night
[17:13:15] <Connor> Cool.. and those valves I found last night won't work.. I need valve that has 3 ports. 1 supply, 1 feed and 1 vent.
[17:13:23] <Connor> but, I need 2 of those..
[17:13:41] <jdh> whyk 2
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[17:13:52] <Connor> One for extend, 1 for retract.
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[17:14:28] <jdh> using belleville washers?
[17:14:46] <Connor> Probably could get away without it..
[17:15:11] <jdh> if you need 1500psi of force to hit it, you won't need any to self-return
[17:15:12] <Connor> but.. I think you need the retract to make sure the piston isn't touching the spindle.
[17:15:40] <Connor> so, without full retract, it'll be touching the top of the draw bar.
[17:16:13] <jdh> oh, that might be needed. Can you use the quill at all with that?
[17:16:14] <Connor> not to mention since it's a floating setup.. it might cause it to not drop back down.
[17:16:34] <Connor> I will have a plate that I can remove that allows me to use the quill.
[17:16:51] <Connor> the plate that goes under the washers..
[17:17:17] <jdh> you should be able to get a double solenoid that goes both ways
[17:17:36] <Connor> You can, but then the cylinder will have continues pressure on it all the time.
[17:17:41] <Connor> which I don't want.
[17:17:58] <jdh> then it won't stay retracted
[17:18:05] <Connor> Yea it will.
[17:18:13] <Connor> friction
[17:18:22] <Connor> it's hard to move manully.
[17:18:50] <jdh> it will be harder to move with lines plugged
[17:18:55] <andypugh> Use a spring
[17:19:07] <andypugh> (I have a spring)
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[17:19:48] <Connor> would save on the air tank.. by 1/4th.
[17:19:53] <Connor> per tool change.
[17:20:04] <andypugh> It just occurred to me that it might be possible to devise a drawbar mechanism where the head just rams itself into a soild pusher.
[17:20:08] <Connor> 3 stages to extend... 1 stage to retract.
[17:20:36] <andypugh> (Not in my case, I have a knee-mill)
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[17:21:38] <Connor> andypugh: I don't want the stress on the spindle.
[17:21:47] <Connor> time for lunch.. back in a fw.
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[17:22:53] <andypugh> I need a 5 or 6 pin oiltight connector. ie, I need the panel-mount socket to not let oil leak through it. I know that Lemo meet that requirement, but not the requirement that I be prepared to pay the cost.
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[17:23:40] <archivist> andypugh, after a fight I got into the hobbing machine, its cut is cam driven and currently is set at .26", needs some modification
[17:23:42] <andypugh> The DIN socket I bought (IP68 version) actually allows daylight through round the pins, so fails.
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[17:24:36] <archivist> you want a mil spec connector, sometimes available second hand
[17:24:45] <andypugh> Bizarrely the cheapest source of Lemo connectors by far is in San Francisco. Including postage.
[17:25:01] <archivist> I have a few
[17:25:04] <jdh> if you don't need much current, here are IP67 RJ45s relatively cheap
[17:25:11] <jdh> s/here/there/
[17:25:20] <andypugh> IP rating is not the same thing.
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[17:27:19] <andypugh> So, it would be a bit of a gamble.
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[17:29:22] <archivist> I have seen seals put behind panel connectors so that the connector ends up in its own compartment
[17:29:48] <Jymmm> andypugh: Huh? what do you mean IP rating isn't the same? Only thing higher is IP68 which is meant for continous submersion
[17:30:17] <andypugh> IP rating describes the accessibility to fluids of the contacts.
[17:31:01] <archivist> from where though
[17:31:04] <andypugh> The conector I just put in the bag to return to RS was IP68, but you can see daylight through the socket round the pins.
[17:32:08] <Jymmm> andypugh: Ok, so it's rated as when plugged in.
[17:32:12] <andypugh> So, in my application I could guarantee that none of the gearbox oil would leak out of the connector, but the conector itself would fill up, and oil would seep back down the cable.
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[17:32:53] <archivist> the connector is not usually your case seal put a gland and back box behind the connector
[17:33:02] <andypugh> The application is to connect to an encoder inside my milling spindle. (not optical, obviously)
[17:33:30] <JT-Shop> mil spec connectors are oil tight
[17:35:09] <archivist> the plug 150842439281
[17:36:03] <JT-Shop> andypugh, could you just pass a cable through an oil tight cable grip?
[17:36:55] <andypugh> JT-Shop: I could. But the head is demountable to use the horizontal spindle or slotting head
[17:37:30] <JT-Shop> you could have a male/female connection outside?
[17:39:18] <archivist> I have also seen the rear of a connector given a dose of sealant/glue for the same purpose
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[17:41:55] <Jymmm> Just wrap only old connector with an old innertube and some rubber cement
[17:42:07] <Jymmm> s/only/any/
[17:42:54] <andypugh> I do _like_ lemo connectors
[17:44:29] <archivist> does this mean Im supposed to post some used ex equipment lemo, cant remember the pin counts at the moment
[17:44:40] <jdh> I have hundreds of lemo's here, but all for rg174
[17:45:18] <andypugh> I have some 1B size in my desk drawer at work.
[17:45:35] <archivist> these are three pin
[17:45:37] <andypugh> I would prefer the 0B size, though.
[17:46:34] <Jymmm> I wasn't kidding...
http://www.walgreens.com/store/c/mighty-fixit-flexible-silicone-wrap-tape/ID=prod6044187-product
[17:47:12] <andypugh> I can imagine that reacting with the oil over time.
[17:48:02] <JT-Shop> what's a lemo?
[17:48:03] <Jymmm> http://www.buy.com/prod/henkel-04200-3-4-x22-rubber-electric-tape/204616234.html
[17:48:30] <andypugh> There is no rush. I can just hang around the skip at work and wait until they throw out a batch of ECUs, those always have Lemo connectors
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[17:49:15] <andypugh> JT-Shop:
http://en.wikipedia.org/wiki/LEMO
[17:49:59] <archivist> the sockets on these 3 way have no way to seal the outer in the chassis, came out of paxolin panels
[17:50:49] <JT-Shop> cool
[17:50:54] <JT-Shop> never seen one before
[17:51:00] <andypugh> They are connectors that push in then lock with barbs that retract when you pull them out by the sleeve (but not if you pull the cable). Very nicely made. Even the cable-grips are a work of art:
http://www.ebay.co.uk/itm/261028996171
[17:51:19] <jdh> I have all of those in the pic in my drawer. (for NIM & CAMAC modules)
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[17:53:04] <andypugh> The 00 size are very cute but fiddly to solder (4 pins, 7mm OD)
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[18:05:19] <tjb1> Nothing like being on hold for a half hour to talk to someone...
[18:05:35] <jdh> cable company?
[18:06:02] <tjb1> School...
[18:07:52] <tjb1> Times like this I think all the money they get from me could afford another few people working in this office
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[18:17:46] <tjb1> Derrrr…what do you mean your loan didnt increase
[18:20:00] <JT-Shop> yea, you don't own your property around here you just rent it from the school board
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[18:22:11] <tjb1> Now I have been on hold for 5 minutes for the woman to find out why it didnt increase
[18:24:25] <tjb1> Why the hell does it matter to the school what I set my loan at?
[18:24:35] <tjb1> Didnt know they were paying it for me
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[18:34:29] <tjb1> Pretty funny how a 3 credit class that is costing me almost $1500 meets 1 time a week for 45 minutes
[18:34:56] <Connor> What's the class for ?
[18:35:04] <archivist> they like to make a profit
[18:35:08] <tjb1> Compared to other 3 credit classes that meet for 5 hours a week
[18:35:20] <tjb1> Its Senior Seminar - Lab
[18:35:35] <tjb1> "Individualized learning experience in which the student, working under a faculty mentor, completes and delivers the finished project as outlined during the lecture, planning portion of the senior seminar experience (MET 495). Successful completion of the project requires a finished project, including executive summary, an evaluation process, and a verbal presentation. 3 Credits (0 Lecture - 9 Lab) Prerequisite(s): MET495. Spring Only."
[18:36:03] <tjb1> Ive been told by a lot of people you dont even show up to half the classes...
[18:36:12] <Jymmm> Funny how people pay $20,000 USD for a single sheet of 8"x11" paper - gotta love marketing!
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[18:36:33] <tjb1> $20k?
[18:36:35] <jdh> $20k?
[18:36:36] <tjb1> Hahaha
[18:36:42] <Jymmm> 20K+
[18:36:47] <tjb1> More like 90k
[18:36:49] <jdh> x4
[18:36:54] <Connor> $20k is a bargin.
[18:36:56] <r00t4rd3d> if it was blotter paper.......
[18:36:57] <tjb1> It cost me over 20k a year
[18:37:25] <r00t4rd3d> and perforated
[18:37:56] <tjb1> You dont get your diploma at graduation
[18:37:59] <tjb1> They mail it to you
[18:38:08] <jdh> I got my last one at graduation
[18:38:09] <r00t4rd3d> I got my GED in jail
[18:38:13] <r00t4rd3d> for free
[18:38:32] <jdh> that's the way to work the system!
[18:38:33] <r00t4rd3d> I make 7-800 bucks a week
[18:38:34] <tjb1> They said they dont have enough time to print the diplomas between grades being released and graduation
[18:38:36] <Jymmm> r00t4rd3d: When do you get release?
[18:38:42] <Jymmm> d
[18:38:48] <r00t4rd3d> 13 years ago
[18:38:59] <r00t4rd3d> i did a year for dwi
[18:39:05] <jdh> for just one?
[18:39:15] <r00t4rd3d> nah 2nd
[18:39:15] <jdh> a year here would take 3 or more
[18:39:26] <r00t4rd3d> i got 2 in 10 years
[18:39:34] <r00t4rd3d> they do extra punishment for that
[18:39:36] Jymmm is now known as Red70sShow
[18:39:39] <Red70sShow> r00t4rd3d: <---- dumbass
[18:39:40] <jdh> did your year rehabilitate you?
[18:39:43] Red70sShow is now known as Jymmm
[18:39:48] <r00t4rd3d> i got another one so i guess not
[18:40:03] <jdh> what he said.
[18:40:22] <r00t4rd3d> then one day i just stopped drinking
[18:40:40] <jdh> me too
[18:41:08] <tjb1> The joys of being a senior -
http://dl.dropbox.com/u/3090951/Screen%20Shot%202012-07-12%20at%202.39.46%20PM.png
[18:41:26] <r00t4rd3d> i hAVE NO IDEA WHAT THAT IS
[18:41:31] <r00t4rd3d> stupid capslock
[18:42:00] <r00t4rd3d> Jymm you have never been arrested?
[18:42:01] <jdh> you put off PE for too long
[18:42:12] <Jymmm> r00t4rd3d: Nope
[18:42:27] <tjb1> Nah, I had to take 2 of them jdh
[18:43:01] <jdh> my son went to freshman orientation yesterday and got his first schedule... and the bill.
[18:43:13] <r00t4rd3d> you mean you got the bill
[18:43:20] <tjb1> I love the first schedule, they put you into a bunch of crap
[18:43:23] <jdh> oh yeah
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[18:44:12] <tjb1> Make sure your kids study like hell for the placement test, they screw that up and they will be spending 6k on useless classes just to start taking required classes
[18:44:53] <jdh> he has 23 hours of AP credits
[18:45:29] <tjb1> I got advanced placed because of votech but that almost screwed me in the placement test
[18:45:51] <tjb1> I didnt get nearly enough or good enough math in highschool
[18:47:20] <jdh> he got credit for all of first year calc, physics, chemistrhy
[18:48:30] <r00t4rd3d> how computers are made:
[18:48:31] <r00t4rd3d> http://i.imgur.com/qleuW.jpg
[19:01:41] <DJ9DJ> harhar :) good one :)
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[19:08:22] <MrSunshine> hmm, using a multimeter my pwm to analog circuit gives out 1V at M3 S1 ... hmmm
[19:08:37] <MrSunshine> gonna hook it up on an oscilloscope to see what happends, according to simulations it should work :p
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[19:16:59] <gene77> Hi Guys, got nuther problem. I am out of spindle fuses for my lathe, and I need an electronic auto stop if the spindle error term gets too big.
[19:17:17] <gene77> But I haven't a clue how to go about that...
[19:17:22] <MrSunshine> humm ?
[19:17:25] <MrSunshine> you burning fuses? :)
[19:17:48] <MrSunshine> and what do you mean with "spindle error term gets to big" ?
[19:17:57] <jdh> pid controlled spindle?
[19:19:11] <gene77> Yup, ATM I have a way too big boring bar mounted, and there is just enough flexibility in the mount that its bending over and digging into the work, yes, pid controiled spindle
[19:19:27] <gene77> s/ controilled
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[19:19:36] <gene77> s/ controlled
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[19:22:23] <andypugh> The PID component has an error output. Pass that to a "comp" HAL component (that's the compare function, not the compiler) and send the output to the soft-estop
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[19:25:32] <tjb1> Thats cool, my school office just pulled me out of a class
[19:25:56] <gene77> Lemme see how that looks. Thanks Andy
[19:26:44] <gene77> Thats a setp, can I use an arbitratry name there?
[19:28:25] <tjb1> Oh that class was cancelled because we didnt get enough students...
[19:28:35] <tjb1> Cool, now I am at 10 credits and a part time student
[19:31:39] <andypugh> gene77: I don't understand the question
[19:34:03] <gene77> first, where in the html docs for 2.5, is the manpage for comp, the comparator?
[19:35:58] <gene77> AKA the loadrt syntax for one copoy of it.
[19:36:32] <tjb1> Ah lovely, picking from classes that the whole school already scheduled
[19:37:11] <jdh> womens studies
[19:38:00] <gene77> Andy, I am trying to detect a stalled spindle fast enough to save the fuse.
[19:38:30] <tjb1> Boy the school really fucked me over now
[19:38:43] <jdh> what school is this?
[19:39:01] <gene77> So far I have "loadrt comp count=1" and "addf comp servo-thread:
[19:39:37] <tjb1> pct.edu
[19:40:33] <gene77> So next I need to take "pid.0.error" to one of the comp.0.input's I assume.
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[19:41:15] <andypugh> Yes, net pid error to one input, ans setp the other to a suitable threshold
[19:41:34] <andypugh> (You will need to check the manpage to figure out which input it which)
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[19:41:45] <tjb1> Looks like I am taking Native American History and Culture :/
[19:42:02] <andypugh> Actually, wcomp might be better if the error is bipolar.
[19:43:35] <gene77> And thats the manpage I can't find on line
[19:46:00] <tjb1> Hey jdh, tell your son about www.ratemyprofessors.com
[19:46:25] <gene77> It could be bipolar I suppose, but so far I only can drive it normally
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[19:48:27] <gene77> Hummmm, comp not found, so addf failed. Did I spell it right?
[19:49:45] <jdh> http://www.linuxcnc.org/docs/html/man/man9/comp.9.html
[19:49:49] <jdh> that manpage?
[19:51:54] <gene77> yup, thats it. but loadrt can't find comp or wcomp. WTH?
[19:52:15] <gene77> Thanks jdh
[19:52:55] <gene77> Are those pieces in the /usr/share/linuxcnc tree?
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[19:56:44] <gene77> if thats where they are supposed to be, they are all missing, so obviously that isn't the right path..
[19:58:13] <anonimas1> gene77: the best way is to run it off a cfd with a torque limit set and a error output
[19:58:26] <anonimas1> vfd..
[19:59:00] <anonimas1> nvm..
[19:59:03] <anonimas1> pid works too.
[20:01:16] <gene77> maybe, but I have a C41 and the OEM motor controller, call me cheap, its a mini-lathe
[20:01:45] <jdh> cheap
[20:01:47] -!- taiden [taiden!~lukepighe@cpe-184-153-132-154.maine.res.rr.com] has joined #linuxcnc
[20:01:54] <jdh> I kept blowing fuses in my 7x also
[20:02:55] <gene77> And in order to get fast enough, I will probably have to swap out that 10uf in the output opamp of the C41 for a .1 mylar, the thing is a dawg.
[20:04:00] <jdh> I have a c41, the response is incredibly slow.
[20:07:20] <gene77> change out both of those 10UF caps in it for .1 mylar's. The other one controls the reversing relay. To slow there will clear fuses by the wagonload
[20:07:43] <jdh> do you have the new one or old one?
[20:09:04] <gene77> The OEM controller went up in smoke, so its fresh, the C41 is about 3 months old.
[20:09:24] <jdh> does it have a 7805 in one corner?
[20:09:39] <gene77> I believe so.
[20:09:49] <jdh> that's the old one
[20:09:55] <jdh> new one is 5V only
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[20:13:23] <gene77> Oh? That ought to run a bunch cooler then, as I have a 12 volt ac wall wart in one corner of the box.
[20:14:25] <gene77> To be Truthful, I was a dumbass for not just buying another PMDX-106. Complex to hook up but the Just Work(TM)
[20:16:01] <jdh> I've never really checked, but I feel like mine has a 1-2second response at a minimum
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[20:24:05] <gene77> Its not quite that slow, but its sure slow enough to effect how much pid you can use.
[20:24:37] <gene77> Now, can someone tell me why I can't loadrt comp or wcomp?
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[20:25:27] <JT-Shop> comp is a program that makes a component
[20:26:17] <JT-Shop> gene77, what is your loadrt line and addf line for wcomp
[20:26:25] <andypugh> JT-Shop: comp is also (confusingly) a HAL component
[20:26:35] <JT-Shop> really
[20:26:52] <JT-Shop> yep th4re it is
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[20:30:11] <r00t4rd3d> http://www.mediafire.com/?a7o2m9odjnfzk72
[20:30:23] <r00t4rd3d> if you have a yahoo account, you might want to check that list
[20:32:06] <r00t4rd3d> 450,000 yahoo usernames/passwords
[20:32:49] <JT-Shop> andypugh, axis sim loads 3 copies of comp but does not add them to a function that I can see
[20:32:58] <r00t4rd3d> wait 739,853 accounts
[20:33:03] <JT-Shop> I geuss gene77 will come back
[20:34:46] <r00t4rd3d> i see gmail, msn, hotmail, aol, att, and a lot of others in there too
[20:36:24] <r00t4rd3d> http://www.cnn.com/2012/07/12/tech/web/yahoo-users-hacked/index.html?hpt=hp_t1
[20:36:36] <andypugh> Does sim add anything to a thread?
[20:36:38] <gene77> I never left, and we aren't building a module, comp is a 2 input comparator, with hysteresis. It ought to be loadable with "loadrt comp count=1
[20:37:23] <gene77> But I just found my soldering iron has been blowed up again, it now has a hot tip, about 40 volts ac hot.
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[20:37:43] <r00t4rd3d> if anyone wants me to check the list for your yahoo email , post it
[20:37:44] <MrSunshine> lol disregard everything ive said
[20:37:46] <MrSunshine> when setting speed1: 0 PWM: 0 and speed2: 2000 PWM: 1 i got a value all the way down
[20:39:55] <gene77> So I guess I'm outta here for a bit, while I go buy another $140 version of it, this is only the 4th time a hot circuit that shouldn't be has blown it. :(
[20:41:09] <uw> unrelated topic, but has anyone ever use naval jelly with success?
[20:41:12] <uw> never seems to work for me
[20:41:22] <jdh> uw: me either
[20:41:23] <uw> and if it does, just barely
[20:41:39] <jdh> yep
[20:41:50] <uw> hmm, so im not alone
[20:41:56] <jdh> turns it lightly black, but that scrapes off
[20:42:00] <uw> thats, reassuring
[20:42:15] <uw> yea i still see rust
[20:42:37] <uw> it says it's supposed to "convert" the rust to some phospous or whatever
[20:42:53] <jdh> iron phosphate
[20:43:05] <uw> ah thats it
[20:43:18] <uw> so, what are your methods for removing rust?
[20:43:22] <uw> if you have any?
[20:43:44] <jdh> mechanical removal
[20:44:16] <uw> but what about the hard to get areas? where even a sand blaster cant get?
[20:46:28] <jdh> I have used other phosphoric acid based things that worked better than naval jelly, but they still just did the surface of the rust.
[20:47:14] <JT-Shop> gene77, yep loadrt comp count=1 <note no spaces iirc between count the = and 1
[20:47:46] <uw> i see. welp, out to try something else.
[20:47:46] <JT-Shop> gene77, and comp needs a floating point thread
[20:50:41] <JT-Shop> soak it in a strong solution of caustic soda to remove the iron oxide down to the steel
[20:51:06] <JT-Shop> note that caustic soda is not for the careless types
[20:51:34] <jdh> like old fashioned drano?
[20:51:44] <jdh> or something stronger?
[20:53:49] <andypugh> http://woodmangler.com/Derusting/electrolytic%20derusting.html
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[20:59:40] <ReadError> https://dl.dropbox.com/u/25091878/Photo%20Jul%2012%2C%204%2052%2025%20PM.jpg
[20:59:42] <ReadError> how did i do ?
[21:00:30] <ReadError> some of the traces got kinda small
[21:00:36] <ReadError> but none disconnected i can see
[21:01:31] <anonimas1> jdh: probably draino is caustic soda.. naoh..
[21:07:18] -!- dimas_ has quit [Ping timeout: 255 seconds]
[21:08:39] <Jymmm> and you still have to neutralize the acid afterwards.
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[21:10:48] <JT-Shop> jdh, I used dry caustic soda and note you don't add water to caustic soda you add caustic soda to water
[21:10:58] <DJ9DJ> gn8
[21:11:03] <Jymmm> JT-Shop: heh
[21:11:11] <JT-Shop> and like Jymmm said you must neutralize after
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[21:13:54] <skunkworks__> ReadError: Nice!
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[21:19:36] <ReadError> i need to get some 60 degree endmills i think
[21:22:18] <skunkworks__> that is what I used - from thinktink
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[21:24:53] <skunkworks__> http://electronicsam.com/images/KandT/servostart/schem/newcurrentlimit/top.JPG
[21:25:26] <skunkworks__> http://electronicsam.com/images/KandT/servostart/schem/latestcurrentlimit/right.JPG
[21:26:06] <archivist> skunkworks__, those pads look 1980s tape up :)
[21:26:18] <skunkworks__> I am old school
[21:26:40] <skunkworks__> tandy dry transfer ;)
[21:27:03] <skunkworks__> (that was all done in eagle)
[21:27:05] <r00t4rd3d> is that a giant cap?
[21:27:10] <skunkworks__> yes
[21:27:50] <r00t4rd3d> i would not want to be around that when it burst
[21:28:29] <skunkworks__> nor I
[21:29:46] <r00t4rd3d> are you samco on cnczone?
[21:29:58] <skunkworks__> yes
[21:30:01] <r00t4rd3d> http://www.cnczone.com/forums/311721-post3.html
[21:30:09] <r00t4rd3d> i seen that today oddly
[21:30:18] <r00t4rd3d> searching for touch plate stuff
[21:30:35] <r00t4rd3d> on google images it shows up
[21:30:54] <r00t4rd3d> https://www.google.com/search?hl=en&safe=off&q=touch+off+plate&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.,cf.osb&biw=1600&bih=722&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi&ei=qkH_T83eH8Tf0QGexvW4Bg
[21:31:04] <skunkworks__> for circuit boards - I used a microswitch
[21:31:37] <skunkworks__> that is odd ;)
[21:33:00] <archivist> it is funny when you find stuff you know or your own
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[21:36:19] <r00t4rd3d> http://www.ebay.com/itm/CNC-mill-or-router-Tool-Height-setting-Touch-Off-Plate-/330738209759?pt=LH_DefaultDomain_0&hash=item4d018893df
[21:36:31] <r00t4rd3d> who can do metal and want to make me one cheaper then 45 bucks?
[21:36:41] <gene77> JT_Shop, yep "count=1", and my addf is to the servo-thread
[21:36:55] <gene77> JT-Shop, yep "count=1", and my addf is to the servo-thread
[21:36:58] <Jymmm> r00t4rd3d: $20
[21:37:34] <Jymmm> r00t4rd3d: plus $400 processing and handling (CBD)
[21:37:40] <r00t4rd3d> jerk
[21:37:41] <gene77> I just ordered the whole rework station this time, $150 w/ship.
[21:37:43] <JT-Shop> gene77, if you comment out the addf does it load?
[21:38:21] <gene77> I doubt it, that stuff is all in normal order, with the loadrt above it in the hal file
[21:38:46] <Jymmm> JT-Shop: could you link me to a photo of the "check valves" you were taking about?
[21:39:40] <r00t4rd3d> jymm are you near kingston ontario?
[21:40:03] <Jymmm> r00t4rd3d: If you consider 3000 miles 'near', sure.
[21:40:19] <JT-Shop> Jymmm, any spring loaded check valve would do I assume depending on the viscosity
[21:40:21] <Jymmm> r00t4rd3d: you are in Kingston?
[21:40:27] <r00t4rd3d> no but close
[21:40:39] <Jymmm> r00t4rd3d: what city/town?
[21:40:45] <r00t4rd3d> 45 min or so from the boarder which is about 20 minutes away
[21:40:52] <Jymmm> r00t4rd3d: what city/town?
[21:40:58] <r00t4rd3d> upstate ny
[21:41:00] <JT-Shop> gene77, do you know if the addf or the loadrt line is the problem?
[21:41:02] <Jymmm> oh
[21:41:13] <gene77> Humm, if I comment out the addf, the next error is no "soft-estop" pin.
[21:41:31] <gene77> no mention of the loadrt rfailing?
[21:41:37] <gene77> no mention of the loadrt failing?
[21:42:01] <Jymmm> JT-Shop: Well, "any" aint gonna do it to find soem that fit the bimba. That's why I asked for a photo link to get some idea wth I'm looking for =)
[21:42:11] <ReadError> r00t4rd3d
[21:42:16] <ReadError> see the board i just made?
[21:42:53] <JT-Shop> Jymmm, any with the correct thread size will be fine depending on the viscosity of the fluid pumped
[21:42:54] <r00t4rd3d> no
[21:43:03] <andypugh> There is no soft-estop pin. That was me being too lazy to look up the real name. motion.estop-in or something
[21:43:22] <r00t4rd3d> ReadError, link?
[21:43:32] <ReadError> https://dl.dropbox.com/u/25091878/Photo%20Jul%2012%2C%204%2052%2025%20PM.jpg
[21:43:33] <r00t4rd3d> nvm
[21:43:37] <ReadError> one of the traces is super small
[21:43:41] <ReadError> but continutity!
[21:43:44] <JT-Shop> gene77, is your servo thread a floating point thread?
[21:44:16] <gene77> it should be, its the slow one
[21:44:18] <Jymmm> JT-Shop:
http://www.veneersupplies.com/products/Check-Valve---Heavy-Duty-14-NPT.html
[21:45:00] <r00t4rd3d> did you check all your traces?
[21:45:02] <gene77> And other stuff that uses FP works
[21:45:15] <JT-Shop> right shape Jymmm but it doesn't say what the inside is
[21:45:35] <gene77> Ok Andy, that I can fix maybe.
[21:45:37] <Jymmm> http://www.miniaturesteammodels.com/prod1917.htm
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[21:45:56] <Jymmm> JT-Shop: you might like that website ^^^^^^^^^
[21:45:58] <r00t4rd3d> ReadError, did you design that in Eagle?
[21:46:08] <JT-Shop> gene77, what is your addf line?
[21:46:44] <andypugh> addf comp.0 servo-thread ?
[21:47:31] <ReadError> r00t4rd3d: it was in eagle yea
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[21:48:02] <Jymmm> JT-Shop: are check valves serviceable?
http://www.freshwatersystems.com/p-2244-inline-brass-check-valve-14-mpt-inlet-x-14-fpt-outlet.aspx
[21:48:14] <JT-Shop> some are some are not
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[21:48:15] <gene77> You may have hit it, I didn't have an .0 appended to the addf line.
[21:48:48] <andypugh> The reason I am good at spotting errors is that I make them all myself, repeatedly.
[21:49:14] <JT-Shop> the more mistoks you make the better you are a t spoooting them right?
[21:49:19] <ReadError> r00t4rd3d
[21:49:23] * Jymmm hands andypugh a dyslexia keyboard
[21:49:24] <gene77> Humm, Andy, motion.estop-in doesn't exist either
[21:49:26] <ReadError> i used pcb-gcode
[21:49:45] <andypugh> Currently trying to build a 7 encoder, 2 pwm, 2tppwm, 1 UART, 8 smart-serial firmware :-)
[21:49:52] <andypugh> gene77: man motion
[21:51:16] <andypugh> Or, bettter, man halui
[21:51:17] <andypugh> halui.estop.activate
[21:52:27] <ReadError> hmm i cant find this, but anyone know the link
[21:52:32] <ReadError> where the guy was cutting pcbs
[21:52:40] <ReadError> continutity testing between the board and the mill?
[21:53:24] <Tom_itx> just plug it in and the shorts will find themselves
[21:53:55] <ReadError> Tom_itx: i thought it was set to where it modified the depth based on continuity
[21:54:10] <Tom_itx> i dunno about that
[21:54:19] * Jymmm now knows why Tom_itx stocks so many spare components.
[21:54:43] <ReadError> i ordered a bunch of cheapo resistors/capacitors from china
[21:54:49] <ReadError> they probably suck though
[21:55:48] <ReadError> http://www.ebay.com/itm/230792953505?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649#ht_1762wt_1396
[21:56:13] <ReadError> tolerance is kinda high thoguh
[21:57:03] <jdh> there are some things that do Z height probing for PCB's
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[22:03:14] <ReadError> i cant find the link, i know i saw one in the past
[22:03:27] <Tom_itx> ok maybe i can figure the tool table out now
[22:03:59] <gene77> I got it running, but pid.0.error out is not getting to comp.0.in0, and I need to go see if Dee wants to eat since its dinner time here.
[22:04:13] <gene77> BBL I expect
[22:04:52] <ReadError> http://phk.freebsd.dk/CncPcb/
[22:04:57] <ReadError> ahh
[22:05:24] <jdh> there is a python one also
[22:05:27] <r00t4rd3d> ReadError, did you see what i did?
http://i.imgur.com/gJLX8.jpg
[22:05:47] <jdh> I have a copy that I modified
[22:06:03] <ReadError> woh
[22:06:08] <ReadError> things get bound up?
[22:06:15] <ReadError> or acceleration too high?
[22:06:18] <r00t4rd3d> nope just snapped
[22:06:40] <r00t4rd3d> i wasnt using a flex coupler
[22:06:42] <Tom_itx> Jymmm, you seen Marty McFly walking around today?
[22:06:42] <jdh> hmmhttp://www.cnczone.com/forums/pcb_milling/82628-cheap_simple_height-probing-5.html
[22:07:34] <Jymmm> Tom_itx: only on his hoverboard
[22:07:53] <Jymmm> Tom_itx: Now, wth you talkin bout willis?
[22:08:07] -!- Brandonian has quit [Quit: Brandonian]
[22:08:13] <r00t4rd3d> jdh nice link fk up
[22:08:21] <r00t4rd3d> i been trying to click that for a couple
[22:08:29] <r00t4rd3d> hmmhttp doesnt work
[22:08:42] <Jymmm> http://www.cnczone.com/forums/pcb_milling/82628-cheap_simple_height-probing-5.html
[22:09:33] <r00t4rd3d> http://i.imgur.com/2c3Z7.jpg
[22:09:36] <r00t4rd3d> rednecks lol
[22:10:31] <andypugh> I hope it is on the "start" setting
[22:15:47] <ReadError> http://www.cnczone.com/forums/843483-post121.html
[22:17:28] <JT-Shop> silly customer has me on line programming a plc via remote connection and training at the same time so I clean my desk for $100/hr
[22:17:49] -!- rob_h [rob_h!~rob_h@5e046fc1.bb.sky.com] has joined #linuxcnc
[22:20:27] <r00t4rd3d> http://www.ebay.com/sch/aquickcnc/m.html?item=280915398272&sspagename=STRK%3AMEWNX%3AIT&rt=nc&_trksid=p3984.m1439.l2649&_trksid=p4340.l2562
[22:20:37] <r00t4rd3d> a new cnc parts ebayer
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[22:26:28] <r00t4rd3d> are the shafts in steppers replaceable?
[22:26:56] <Tom_itx> probably not by end users
[22:31:19] <andypugh> r00t4rd3d: I think you can ruin the stepper by taking the rotor out, so that's the first problem.
[22:34:37] <r00t4rd3d> http://www.youtube.com/watch?v=5thxBgew7N0&feature=player_detailpage#t=300s
[22:34:55] <r00t4rd3d> the place i got my motor and the same motor i have and the guy taking it apart
[22:36:52] <Tom_itx> go for it
[22:36:56] <Tom_itx> they're cheap
[22:37:47] <r00t4rd3d> i will email the manufacture and see if they can tell me where to get a shaft
[22:38:26] <r00t4rd3d> i could probably get my shaft welded
[22:38:47] <Tom_itx> if it's double ended i'd turn it around
[22:38:51] <djdelorie> "dear manufacturer, please give me the shaft..."
[22:38:57] <Tom_itx> haha
[22:39:10] <r00t4rd3d> and only the shaft
[22:39:30] <Tom_itx> it is pressed in
[22:39:43] <Tom_itx> and you would screw up the rotor when you replaced it
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[22:41:21] <andypugh> I bit of silver-steel would work. (I think you guys call it drill rod)
[22:41:47] <andypugh> It might even be a plain unmachined length
[22:41:53] <Tom_itx> yeah, i can get water or oil hardened drill rod
[22:42:42] <r00t4rd3d> it comes right out, watch the vid
[22:42:45] <r00t4rd3d> http://www.youtube.com/watch?v=5thxBgew7N0&feature=player_detailpage#t=300s
[22:42:55] <r00t4rd3d> there is 3 gears pressed on it
[22:43:00] <r00t4rd3d> and there is a fatter part
[22:43:08] <andypugh> Those are not gears, they are magnets
[22:43:09] <r00t4rd3d> 2 gears pressed on
[22:43:22] <andypugh> And there are sometimes 3
[22:43:23] <ReadError> r00t4rd3d: cut anything cool before it broke?
[22:43:33] <r00t4rd3d> not really
[22:43:47] <r00t4rd3d> i was doing a Family Guy family portrait when it snapped
[22:43:55] <ReadError> awww
[22:44:01] <ReadError> how far in did you get?
[22:44:10] <r00t4rd3d> far enough to piss me off
[22:44:19] <andypugh> I have taken steppers apart. But I have read that when you take the magnets out, they become partly demagnetised. The stator acts as a magnetic "keeper"
[22:44:20] <ReadError> you think the acceleration is too high?
[22:44:30] <r00t4rd3d> i dont know
[22:44:41] <r00t4rd3d> i just upped it from 0.2 to 0.3
[22:44:56] <r00t4rd3d> so i will turn it back down
[22:45:02] <ReadError> inch or m/s^s ?
[22:45:07] <r00t4rd3d> inch
[22:45:18] <andypugh> The shaft broke because the shafts were not properly aligned and it was a rigid coupling.
[22:45:26] <r00t4rd3d> i think it was the non-flexable coupler i was using
[22:45:46] <ReadError> got any pics of the portrait ?
[22:45:57] <r00t4rd3d> lol no but i can take one
[22:46:00] <r00t4rd3d> brb
[22:46:04] <andypugh> It's a lovely annular fatigue failure.
[22:46:19] <andypugh> (I used to look at cracks for a living)
[22:47:24] <Tom_itx> i'll just leave that one alone
[22:47:28] -!- skunkworks__ has quit [Ping timeout: 246 seconds]
[22:50:14] <r00t4rd3d> ( | )
[22:51:27] <tjb1> No updates to mdf madness
[22:51:40] <r00t4rd3d> waiting on stepper
[22:51:40] -!- dimas_ has quit [Ping timeout: 246 seconds]
[22:51:49] <r00t4rd3d> tomorrow it should be here
[22:51:53] <andypugh> It looks like my custom Mesa firmware has worked. But I can't be bothered to walk through the rain to the workshop to check.
[22:51:56] <tjb1> You got the coupler?
[22:52:13] <tjb1> It rained today for the first time in a couple weeks
[22:52:29] <andypugh> Apart from anything else, it looks like I would end up trampling snails on the path, and I hate that.
[22:52:35] <r00t4rd3d> i ordered it
[22:52:57] <r00t4rd3d> that probably wont be here till monday
[22:52:58] <tjb1> Surround them in table salt :)
[22:53:07] <tjb1> What kind did you get?
[22:53:07] <r00t4rd3d> http://i.imgur.com/tdafe.jpg
[22:53:11] <r00t4rd3d> i was on my second pass
[22:53:17] <r00t4rd3d> ReadError
[22:53:22] <tjb1> Family guy huh
[22:53:49] <r00t4rd3d> :D
[22:54:05] <tjb1> Love that show along with american dad
[22:54:25] <tjb1> I watch it every day on adult swim
[22:54:45] <andypugh> Call me strange, bit I think snails are rather cute.
[22:55:01] <r00t4rd3d> your strange
[22:55:08] <andypugh> My strange what?
[22:55:27] <r00t4rd3d> dont be a nazi
[22:55:32] <Tom_itx> i'm not strange so i won't call
[22:55:57] <tjb1> Anyone recommend a parallel port bob on ebay?
[22:56:09] <r00t4rd3d> just a cable?
[22:56:16] <tjb1> No, bob
[22:56:30] <tjb1> b.o.b
[22:56:33] <r00t4rd3d> bobs not here
[22:56:45] <andypugh> tjb1: What do you want it to do?
[22:56:52] <r00t4rd3d> bob obviously
[22:56:58] <ReadError> wow
[22:57:03] <ReadError> how deep you cutting?
[22:57:07] <tjb1> Break out the contacts and have the required components so it doesnt hurt the computer
[22:57:13] <ReadError> or is that someone holding it over the piece ?
[22:57:39] <r00t4rd3d> the board was warped
[22:57:54] <tjb1> How conveinent the knot is in his foot
[22:57:55] <r00t4rd3d> started at about 1/8 on the end and 1/4 on the other
[22:58:20] <ReadError> how much depth per pass?
[22:58:21] <tjb1> Where did it break?
[22:58:28] <r00t4rd3d> brains wine glass
[22:58:42] <r00t4rd3d> err
[22:58:44] <r00t4rd3d> lol
[22:58:47] <r00t4rd3d> brians*
[22:59:04] <r00t4rd3d> ReadError, i was going 0.04
[22:59:08] <r00t4rd3d> per pass
[22:59:18] <ReadError> velocity ?
[22:59:25] <ReadError> you think it was the lack of couplers?
[22:59:26] <r00t4rd3d> maximum
[22:59:37] <r00t4rd3d> 18inch/min
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[22:59:55] <r00t4rd3d> thats as fast as my machine will go
[22:59:57] <r00t4rd3d> atm
[23:00:29] <r00t4rd3d> i had a coupler but it was a solid one
[23:00:38] <tjb1> What kind did you order?
[23:00:39] <r00t4rd3d> from dumpstercnc
[23:00:45] <r00t4rd3d> a flexable one
[23:00:54] <r00t4rd3d> tjb1^
[23:00:55] <tjb1> Those spring ones?
[23:00:59] <r00t4rd3d> yeah
[23:01:10] <r00t4rd3d> http://www.ebay.com/itm/280915398272?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
[23:01:11] <r00t4rd3d> that
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[23:01:19] <tjb1> Wonder if you could mount the stepper on like rubber standoffs?
[23:01:24] <Tom_itx> what does tool diameter cutter comp do on a straight plunge cut?
[23:01:35] <r00t4rd3d> cuts the outside of the line
[23:01:40] <Tom_itx> probably nothing
[23:01:42] <r00t4rd3d> oh wait
[23:02:00] <tjb1> andypugh:
http://www.ebay.com/itm/Parallel-Port-Breakout-Board-for-CNC-and-Robot-Control-/150855791346?pt=BI_Robotics&hash=item231fb4b2f2#ht_1994wt_1398
[23:02:53] <r00t4rd3d> http://dumpstercnc.com/images/acme_coupler_01.jpg
[23:03:02] <r00t4rd3d> that is the couple i had on when broken happen
[23:03:16] <r00t4rd3d> one end is threaded for threaded rod
[23:04:04] <r00t4rd3d> they probably would work fine on a aluminum frame setup
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[23:04:08] <r00t4rd3d> but not wood
[23:04:12] <cradek> Tom_itx: the moves before and after the plunge(s) determine the location of the corner
[23:04:16] <andypugh> tjb1: Do you just want it to make wiring easier, or do you have other requirements?
[23:04:26] <tjb1> I need more I/O than a G540 offers
[23:04:56] <Tom_itx> cradek i'm using it just to 'drill' a hole because i'm using the same size mill cutter required
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[23:05:03] <Tom_itx> center cutting endmill
[23:05:48] <tjb1> Just a Z axis move
[23:05:52] <Tom_itx> just a linear z move
[23:06:09] <tjb1> You would have to activate it with a G4x anyway
[23:06:25] <tjb1> What is it…40, 41, 42?
[23:06:34] <andypugh> tjb1: So, you are adding a second parport?
[23:06:40] <tjb1> Yes andypugh
[23:06:41] <cradek> no matter what you're doing, my answer is correct, beware if the answer seems strange because that means you're using cutter comp strangely
[23:07:20] <cradek> I can't see how using cutter comp for drilling makes much sense
[23:07:32] <Tom_itx> cradek it's not that i'm using it strangely as i need it on the rest of the part however i wanted to know the effect it would have on the z moves
[23:07:33] <cradek> you could drill inside the corners of a square I guess
[23:07:42] <tjb1> cradek: if cutter comp was activated when moving with a G01 command it would offset whichever direction correct?
[23:07:48] <andypugh> I don't see how it makes _any_ sense
[23:07:58] <Tom_itx> it's not supposed to
[23:08:26] <Tom_itx> i know it offsets the cutter based on the comp but does it affect linear z moves?
[23:08:41] <tjb1> No but it will affect the position
[23:09:02] <Tom_itx> i'm cutting some profiles then i was drilling a couple holes with the mill since they are the same size
[23:09:03] <tjb1> Just shut it off before moving there
[23:09:27] <cradek> again: the position is determined by the corner made by the moves before and after the Z-only moves
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[23:10:18] <andypugh> tjb1: I know you have gone down the parport route now, and you probably only need a couple more IO lines, but for $70 you could have had a Mesa 5i25 to hook up to the G540, then the second header of that can connect a further 384 IO pins.
[23:10:37] <tjb1> Wow, 384
[23:10:49] <Tom_itx> tjb1, i'd sure go that route if it were me
[23:11:03] <tjb1> I wouldnt know what to do with 384 :)
[23:11:05] <cradek> if you make "inside" corners you might get what you want (the drill is inside the part profile, touching both sides of the corner) but for an outside corner you'll find it makes no sense (the tool touches the outside corner in many positions along an arc)
[23:11:25] <Tom_itx> cradek the only moves to the z is a rapid
[23:11:27] <cradek> ... you'll get one of them
[23:12:16] <cradek> Tom_itx: the direction of that before move is part of what determines the position. also the one after your Z move.
[23:12:17] <Tom_itx> rapid..z move.. rapid.. z move..
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[23:12:31] <cradek> you're making CORNERS whether you like it or not
[23:12:36] <cradek> turn off comp if you aren't cutting a profile
[23:12:38] <Tom_itx> ok
[23:12:41] <tjb1> Is cutter comp active during rapids?
[23:12:51] <Tom_itx> it's non modal i think
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[23:12:57] <tjb1> I mean…will it apply cutter comp on a rapid move
[23:12:58] <cradek> tjb1: it stays on unless you turn it off
[23:13:49] <tjb1> andypugh: I need to save money now, school wont let me adjust loan anymore
[23:14:02] <tjb1> And I dont think I could ever use 384 I/O on a plasma table
[23:14:28] <andypugh> In that case, cut one end off of a parallel lead and use the wires.
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[23:14:52] <andypugh> No point spending $25 to save a $20 parallel port card
[23:15:06] <tjb1> My card was actually $3 :)
[23:15:24] <tjb1> Havent found out if it works yet
[23:15:26] <andypugh> There you are. So don't worry about the BOB, wire direct
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[23:15:51] <andypugh> Heck, I wire direct to Mesa cards and parallel ports.
[23:16:11] <tjb1> http://www.ebay.com/itm/PCI-IEEE-1284-Parallel-Printer-LPT-Port-I-O-Card-ECP-EPP-SP-C-/170732813053?pt=US_Internal_Port_Expansion_Cards&hash=item27c077fafd
[23:16:16] <Tom_itx> having the screw terminals is nice though
[23:16:20] <tjb1> It was 4.xx when i got it
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[23:16:27] <Tom_itx> i wired a couple of mine direct
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[23:16:42] <Tom_itx> after i filled up the 7i47
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[23:17:13] <Tom_itx> i need pcw_home to advise me on configuring the 2nd port
[23:17:20] <Tom_itx> so i can add an encoder on it
[23:17:30] <andypugh> Tom_itx: Which board?
[23:17:39] <jdh> teh encoder should go on the 7i47
[23:17:49] <Tom_itx> 7i43 7i47 but it's the 2nd port on the 7i43
[23:18:01] <Tom_itx> jdh no room
[23:18:10] <Tom_itx> unless i rewire the whold damn thing
[23:18:28] <andypugh> Is there an encoder "function" on that connector?
[23:18:34] <Tom_itx> i'm not sure andy
[23:18:41] <Tom_itx> i haven't checked dmesg yet
[23:18:43] <andypugh> Which firmware?
[23:18:49] <Tom_itx> how do i tell?
[23:19:03] <taiden> is there a fast way to face a circle shape?
[23:19:07] <taiden> or pocket that shape
[23:19:10] <andypugh> It's in your INI file
[23:19:18] <Tom_itx> hang on
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[23:19:41] <andypugh> taiden: Possibly.
[23:19:52] <taiden> i seem to remember a g2.1 or something starnge like that
[23:19:58] <andypugh> No, thinking harder, I don't think so
[23:19:59] <taiden> i can't seem to find it anymore though
[23:20:14] <atom1> firmware=hm2/7i43-4/SVST2_4_7I47B.BIT
[23:20:24] <jdh> taiden: there is a python thing for that
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[23:20:39] <taiden> i'm just trying to throw a quick facing operation into a gcode file i have going
[23:20:40] <Tom_itx> andy, is that it?
[23:20:42] <andypugh> I wondering about using polar coordinates, but that won't work.
[23:20:49] <andypugh> Tom_itx: Yes
[23:21:09] <Tom_itx> i thought that was just for the 7i47
[23:21:16] <Tom_itx> combo
[23:21:20] <Tom_itx> not the 2nd port
[23:21:26] <taiden> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?G12-13
[23:21:44] <jdh> yeah, that one.
[23:21:48] <andypugh> No, that is the 7i43 firmware. The 7i47 is a passive device
[23:22:20] <Tom_itx> i think all the stepper encoder stuff is on the first port though isn't it?
[23:22:40] <Tom_itx> i'll look in a bit. need to get tool tables working first
[23:22:42] <andypugh> taiden: You could add that with mhaberlers marvelous G-code remapping.
[23:22:56] <andypugh> Tom_itx: Give me a moment
[23:23:06] <jdh> [ 4979.591540] hm2/hm2_7i43.0: IO Pin 004 (P4-09): Encoder #0, pin A (Input)
[23:23:07] <taiden> who dat?
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[23:23:47] <andypugh> taiden:
http://www.linuxcnc.org/docs/devel/html/remap/structure.html
[23:23:57] <andypugh> Not for the faint-hearted
[23:24:13] <atom1> i know
[23:24:42] <atom1> oh that wasn't for me
[23:25:36] <atom1> andy, dmesg shows the 2nd port all as gpio
[23:26:05] <andypugh> Tom_itx: You have 4 encoders there, I think.
[23:26:37] <atom1> i may have used those pins already
[23:26:41] <andypugh> Which pins of the other connector do you want an encoder on?
[23:27:11] <atom1> i'm not sure just yet
[23:27:23] <atom1> i need to look it over a bit more
[23:27:39] <atom1> i may be able to do it myself but i've never written or modded a bit file
[23:27:52] <atom1> i'm set up to do it
[23:28:33] <jdh> 7i47 was raised from birth to have encoders. You are trying to thwart its destiny.
[23:29:04] <atom1> jdh, i'm using one on it but i think i already used the other pins for gpio
[23:29:11] <atom1> i need to double check that
[23:29:36] <jdh> gpio is easy to move and you won't need the voltage divders on the other port
[23:29:36] <atom1> 4 6 and 8 are encoders
[23:29:58] <atom1> jdh, it's a single ended encoder from a printer
[23:30:07] <atom1> just an ir detector
[23:30:20] <atom1> for spindle speed
[23:30:25] <jdh> then you would still need them for that.
[23:30:43] <jdh> someday, I'll get mine mounted.
[23:31:44] <atom1> oh wait, i've only got one encoder loaded in the ini
[23:31:54] <atom1> i'm not sure what pins the 2nd one would fall on
[23:32:00] <andypugh> How many are you using?
[23:32:07] <atom1> ^^ was encoder 1
[23:32:10] <atom1> just one for my pendant
[23:32:34] <andypugh> There should be 4 on the 7i47
[23:32:47] <atom1> yeah but i wasn't using them so i only configured one
[23:33:04] <andypugh> So, why do you need an encoder on the second connector?
[23:33:29] <atom1> because i'm pretty sure i used the pins for something else already
[23:33:49] <atom1> i could move stuff around i suppose
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[23:34:03] <andypugh> Ah, so you want encoder 1 to be on the second connector, and only encoder.0 on the 7i47?
[23:34:10] <andypugh> That seems… perverse
[23:34:16] <atom1> just for convenience
[23:34:31] <atom1> heh
[23:34:35] <atom1> i'll work it out
[23:34:45] <atom1> i'll probably move the gpio
[23:35:15] <andypugh> No, I have already built you a custom firmware once, it't no more trouble to make it even stranger.
[23:35:26] <atom1> you did?
[23:35:51] <andypugh> Well, I stopped it 75% through just then
[23:35:57] <atom1> heh sorry
[23:36:09] <atom1> i'd rather just know how to do it
[23:36:43] <atom1> http://tom-itx.dyndns.org:81/~webpage/emc/xilinx/xilinx_install_index.php
[23:36:50] <atom1> you knew about that right?
[23:37:37] <atom1> doesn't cover modding the actual files
[23:39:21] <atom1> i'll have to set it up again as i've reloaded the hdd
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[23:40:50] <andypugh> Well, I just made myself a firmware about an hour ago, so I was sort of in the groove
[23:41:52] <atom1> i will likely just enable one more on the 7i47 and move the io to the 2nd port on the 7i43
[23:44:26] <atom1> how do i bring up the tool touch off dialog? MDI a Tx M6 ?
[23:47:04] <andypugh> I don't think you can from G-code. You need to use the GUI button
[23:47:24] <atom1> touch off?
[23:47:35] <atom1> how do i select the tool then?
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[23:48:35] <JT-Shop> for the touch off dialog you have to load the tool first with Tn M6 G43
[23:49:42] <atom1> how do i get the work offset dialog back then or is it a separate dialog?
[23:50:19] <JT-Shop> what do you mean?
[23:50:40] <atom1> i loaded Tx M6 G43, now what?
[23:51:03] <atom1> jogged to where i want it set
[23:51:27] <atom1> ok nevermind i see it
[23:51:30] <JT-Shop> setting the Z material height or the tool offset from some fixed point?
[23:51:38] <atom1> tool offset
[23:51:51] <atom1> T Tool Table from the menu
[23:52:08] <JT-Shop> tool offset from the material or a fixed point?
[23:52:13] <andypugh> Yes. Get it right this time, and keep your 100% record. It won't last.
[23:52:45] <atom1> material
[23:53:04] <atom1> andypugh, :)
[23:53:32] <andypugh> atom1: Getting an impenetrable error. So as you have a better solution, I am going to give up.
[23:53:38] <JT-Shop> then make sure the touchoff to workpiece is selected
[23:54:05] <JT-Shop> and touch off your G54 or whatever coordinate system
[23:54:20] <andypugh> Night all
[23:54:23] <atom1> andypugh, what was that in regard to?
[23:54:27] <JT-Shop> night
[23:54:30] <atom1> night
[23:54:38] <atom1> guess we'll never know
[23:54:40] <andypugh> Building the custom firmware you don't want any more
[23:54:49] <atom1> but... but...
[23:54:58] <andypugh> Go on..
[23:55:06] <atom1> i didn't really ask you to build it
[23:55:17] <andypugh> I know.
[23:55:22] <andypugh> I was showing off.
[23:55:37] <atom1> i'll build one and you can see if it looks right
[23:55:47] <atom1> maybe
[23:55:57] <atom1> now back to the tool table
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