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10:59:20 <sterling.freenode.net> topic is: Welcome to the Enhanced Machine Control forum | Regular Developer's meetings every Sunday between 14:00 & 18:00 GMT
10:59:20 <sterling.freenode.net> Users on #emc: logger_aj picnet alex_joni CIA-3 jepler_ anonimasu A-L-P-H-A les danfalck zwisk @ChanServ ccjoe gezr learath @pc_op cradek websys 
11:02:08 <anonimasu> :)
11:04:56 <alex_joni> what's funny? ;-)
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11:21:25 <anonimasu> * anonimasu is curious about that
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11:21:31 <anonimasu> hey paul
11:21:33 <alex_joni> I think it can be done
11:21:49 <paul_c> Morning.
11:21:56 <alex_joni> morning paul
11:23:00 <anonimasu> hm, now how do you measure that on a 3phase motor..
11:23:04 <anonimasu> ;)
11:23:13 <alex_joni> you can measure on the power supply ;)
11:23:20 <anonimasu> 320v 6a 
11:23:21 <anonimasu> :]
11:23:27 <anonimasu> you a violent meter
11:23:39 <alex_joni> you need to integrate it somehow
11:23:45 <anonimasu> yeah
11:23:57 <alex_joni> either HW or SW
11:24:00 <alex_joni> better HW ;)
11:24:10 <anonimasu> I could do it with a plc
11:24:17 <anonimasu> but the actual measurement is hard
11:24:17 <anonimasu> :)
11:25:20 <anonimasu> I could do the programming to lower the feed.. on the fly
11:25:28 <alex_joni> how do you power the motor?
11:25:32 <anonimasu> a VFD
11:26:55 <alex_joni> what stands VFD for?
11:27:07 <anonimasu> variable frequency drive
11:27:23 <anonimasu> you can alter speed/torque of the motor..
11:28:43 <alex_joni> I see...
11:29:03 <alex_joni> how is the VFD powered?
11:29:22 <alex_joni> 3phase?
11:29:23 <anonimasu> 3phase input
11:30:00 <alex_joni> how about a encoder or some feedback on the motor?
11:30:01 <alex_joni> on the shaft
11:30:21 <anonimasu> that would do if the controller software would handle it
11:30:27 <alex_joni> even one impulse / turn
11:30:36 <anonimasu> I dont know about that..
11:30:37 <alex_joni> or a tacho
11:30:48 <alex_joni> how fast does it spin normally?
11:30:54 <anonimasu> adjusting it wia the amperage is more accurate
11:31:05 <anonimasu> I'd think
11:31:07 <alex_joni> as long as you can measure that
11:31:11 <anonimasu> yeah
11:31:39 <alex_joni> speed-adjust ist non-realtime I think
11:31:57 <anonimasu> hm, it'd need to be realtime to be useful..
11:32:05 <alex_joni> you think?
11:32:06 <anonimasu> or fairly high priority
11:32:16 <anonimasu> if you are doing machining at very high speeds..
11:32:26 <anonimasu> you need the response to be accurate
11:32:30 <alex_joni> I agree
11:33:01 <alex_joni> but .. dont know about machining to say that it needs realtime/nonrealtime adjustment
11:33:36 <alex_joni> the code to do it would be simple enough (for nonrt, just send some NML messages to adjust the speed)
11:34:04 <anonimasu> yeah probably
11:34:05 <anonimasu> I might try it
11:34:06 <anonimasu> :)
11:34:15 <anonimasu> with a plc and a homemade encoder..
11:34:18 <alex_joni> for realtime you'll have to figure something else out
11:34:26 <alex_joni> maybe modify the speed directly
11:34:28 <alex_joni> through shm
11:34:43 <alex_joni> but this could be bull what I'm saying ;)
11:34:55 <anonimasu> that was what I thought about
11:35:03 <alex_joni> how do you drive things?
11:35:03 <alex_joni> servo?
11:35:09 <anonimasu> servos/geckodrives
11:35:11 <anonimasu> as for now.
11:35:20 <alex_joni> servos/geckodrives???
11:35:37 <alex_joni> you mean freqmod/geckos
11:35:59 <anonimasu> I done even run emc yet :D
11:36:00 <alex_joni> or you use a stg-type board?
11:36:23 <anonimasu> I use turbocnc.. but I'll change as soon as I get some more exp
11:36:37 <alex_joni> parport stepping.. right?
11:36:39 <anonimasu> yeah
11:36:47 <alex_joni> then freqmod will be the way to go
11:36:52 <alex_joni> and the rest does the gecko
11:36:54 <alex_joni> G340 ?
11:36:59 <anonimasu> it'll change to a servocard.. later on
11:36:59 <anonimasu> yeah
11:37:12 <anonimasu> I broke a endmill in alu yesterday ;)
11:37:21 <anonimasu> that's why I am speculating about regulating the load...
11:39:26 <anonimasu> or well speculating/going to implement it.
11:41:17 <anonimasu> I think some commercial machines does it..
11:45:27 <anonimasu> but well the idea might be stupid :)
11:46:52 <alex_joni> don't think so
11:47:04 <alex_joni> there are some people out there who would welcome it
11:48:34 <anonimasu> I think it'd do wonders for keeping speed up in tough materials
11:48:38 <anonimasu> and surface finish..
11:49:37 <les> hi
11:49:40 <anonimasu> hey les
11:49:49 <alex_joni> les might be interested ;)
11:49:50 <alex_joni> hi les
11:49:52 <les> Imade a little circuit that measures load
11:50:28 <anonimasu> nice
11:50:37 <anonimasu> * anonimasu wishes he had somthing like that right now
11:50:41 <les> calculates it from servo rpm and current
11:51:02 <les> then solves the second order dif equation
11:51:24 <les> to separate inertia force, friction, and tool load
11:51:43 <les> works ok to a point
11:51:44 <anonimasu> :)
11:52:29 <les> friction is a little hard to model so it might not work well with very high frivtion sliding ways
11:52:29 <anonimasu> hm ok
11:52:36 <anonimasu> yeah
11:52:46 <anonimasu> I was thinking about only measuring spindle load...
11:52:47 <les> then there are always strain gages
11:53:09 <les> well started up emc at 4:00 am
11:53:22 <les> trying to catch up
11:53:36 <les> better get a little breakfast
11:53:50 <anonimasu> yeah
11:53:50 <anonimasu> :)
11:53:59 <anonimasu> les: look at what I wrote earlier if you get time
11:54:18 <anonimasu> :)
11:54:32 <les> anon: ok...
11:54:53 <anonimasu> I
11:55:05 <anonimasu> I'd love to get some other thoughts on it also :)
11:58:06 <paul_c> trying to maintain a constant spindle speed ?
11:58:52 <les> going for breakfast here at tiger food mart...but one thought
11:59:18 <les> constant chip load is usually desired...
11:59:39 <anonimasu> paul_c: constant load
11:59:43 <les> so you might want to change spindle rpm and servo speed both
11:59:54 <anonimasu> paul_c: increasing feed/decreasing
12:00:22 <anonimasu> was my thought
12:00:42 <les> back in a while
12:00:43 <anonimasu> the spindle speed is harder I dont know how to calulate that..
12:01:03 <anonimasu> :)
12:01:07 <paul_c> encoder on the spindle ?
12:01:39 <anonimasu> hm, I am not sure that it'll do
12:02:06 <anonimasu> I am thinking about measuring current consumption..
12:02:21 <anonimasu> but if a encoder would do it'd be perfect
12:10:06 <anonimasu> but I dont think that'll give the accuracy required
12:10:28 <anonimasu> without some special hardware
12:11:21 <alex_joni> anonimasu: an encoder would give you the best results.. but
12:11:30 <alex_joni> the signals from the encoder need to be counted
12:11:38 <alex_joni> and it depends with what you do your counting
12:11:59 <alex_joni> if you plan to buy a STG for your other axes
12:12:17 <alex_joni> you can put the feedback from the spindle on an unused axis of the STG
12:12:28 <anonimasu> yeah..
12:12:33 <alex_joni> you need an encoder with little impulses/rev
12:12:36 <anonimasu> but i have access to a plc off work..
12:12:38 <alex_joni> because of high RPM
12:12:46 <alex_joni> don
12:12:52 <anonimasu> I could use a inductive sensor.. and count on my spindle splines..
12:12:55 <alex_joni> don't know what the PLC can do
12:13:00 <anonimasu> anything almost :)
12:13:17 <alex_joni> well... it can't do NML.. right ?
12:13:19 <alex_joni> ;-)
12:13:24 <anonimasu> I could tell it to do nml.
12:14:24 <anonimasu> :D
12:14:32 <les> anon: I am hooking a melexis hall encoder chip to a bracket near the spindle collet nut
12:14:33 <anonimasu> i dont have a counter input on the spre I have tho..
12:14:42 <les> easy way to get a speed signal
12:14:44 <anonimasu> but the new ones arriving..
12:15:02 <alex_joni> les: I think rpm is enough... right?
12:15:15 <alex_joni> you don't really need a better resolution...
12:15:22 <les> yes rpm and current
12:15:35 <anonimasu> hm, the rpm is somthing I can mesure
12:16:09 <alex_joni> so if you put an encoder it can be around 10 pulses per rev.
12:16:12 <alex_joni> or even less
12:16:20 <les> sure
12:16:54 <anonimasu> but not current
12:16:54 <les> that would be plenty
12:17:02 <anonimasu> I'll go with a inductive sensor..
12:17:05 <anonimasu> I have a spare off work :)
12:17:10 <anonimasu> that
12:17:20 <anonimasu> that'll give me around 10 pulses per rev..
12:17:22 <les> that will work
12:17:35 <les> I use a .01 ohm shunt
12:17:43 <anonimasu> les: got any idea on how to measure the current?
12:17:45 <anonimasu> * anonimasu dosent
12:17:56 <anonimasu> I am going to use the plc for controlling coolant
12:17:56 <les> oh for the rpm
12:18:02 <anonimasu> and stuff like that..
12:18:03 <les> current?
12:18:19 <les> a shunt or a current loop if ac
12:18:20 <anonimasu> that needs > 1A out.. 
12:18:26 <anonimasu> it's ac
12:18:33 <anonimasu> 3phase 340v
12:18:38 <les> shunt is simple
12:18:39 <anonimasu> or 320/340
12:18:56 <anonimasu> * anonimasu has no idea on that
12:19:05 <les> ah...3 shunts
12:19:15 <alex_joni> basicly you put a resistor in series with the motor winding and measure the voltage
12:19:22 <les> right
12:19:23 <alex_joni> you'll need 3
12:19:29 <anonimasu> ok
12:19:29 <les> right
12:19:41 <alex_joni> use a small shunt in order not to affect the motor voltage
12:19:50 <alex_joni> and not to get the resistor to heat up
12:19:58 <les> right...I use .01 ohm
12:20:09 <alex_joni> you need a small, precise, high watts resistor
12:20:13 <anonimasu> but my motor's 3phase and at 5a..
12:20:17 <alex_joni> .01 ohm sounds ok
12:20:17 <anonimasu> :)
12:20:37 <les> you can even make your own
12:20:47 <anonimasu> I found one
12:20:58 <alex_joni> 10W metal type resistor (1% precision)
12:21:10 <alex_joni> I have some on an old motor servo
12:21:20 <anonimasu> http://www.elfa.se/elfa-bin/setpage.pl?http://www.elfa.se/elfa-bin/dyndok.pl?dok=2019178.htm
12:21:27 <alex_joni> .02 Ohm, 1% 10W
12:21:32 <les> and i^2r is going to be small
12:22:00 <les> half a watt
12:22:15 <les> at 5 amps
12:22:34 <anonimasu> would one of thoose do?
12:22:41 <alex_joni> strange looking things
12:22:52 <les> sounds ok
12:23:17 <les> They won't even get warm
12:23:46 <anonimasu> I wonder if thoose thingies will do 320v
12:23:57 <les> .1 volt drop at 5 amps
12:24:19 <les> don't worry...they will never see 320
12:24:26 <les> they are floating
12:24:37 <les> just the .1v
12:24:45 <anonimasu> hm strange :9
12:24:54 <anonimasu> how much voltage do I get out from a shunt?
12:25:02 <les> ir
12:25:09 <anonimasu> I've got a 0-10v input on the plc
12:25:12 <alex_joni> I'd use one like this: http://www.vishay.com/docs/30201/rhnh.pdf
12:25:16 <anonimasu> hm..
12:25:32 <les> only one caution...the measuring device must float too
12:25:39 <anonimasu> float?
12:25:39 <alex_joni> you need a slightly bigger resistor touse 0-10V accurately
12:25:44 <alex_joni> yup
12:25:49 <alex_joni> not connected to ground on one side
12:25:52 <les> don't put a meter with one grounded lead on!
12:25:58 <les> haha yup
12:25:58 <anonimasu> hehe yeah
12:26:24 <anonimasu> we got thoose somwhere at work ;)
12:26:38 <les> use a diff op amp or something
12:27:08 <les> scopes often have grounded leads as well
12:27:13 <les> BOOM
12:27:19 <alex_joni> hmm... one more thing les
12:27:20 <anonimasu> the plc does ;)
12:27:24 <alex_joni> it's not DC
12:27:27 <alex_joni> right?
12:27:39 <les> depends
12:27:43 <alex_joni> you'll need to measure impulses
12:28:23 <les> well yes 50 hz
12:28:40 <alex_joni> if the VFD doesn't do frequency changing
12:28:51 <les> yes
12:28:55 <anonimasu> mine does :)
12:29:04 <alex_joni> the AC-servos I used use a DC power supply
12:29:08 <alex_joni> and basically 3 choppers
12:29:12 <les> either way no big deal to integrate it or do rms
12:29:18 <alex_joni> I agree
12:29:36 <alex_joni> but if it's AC you could use a 1:1 transformer to separate the voltages
12:29:51 <alex_joni> then do your RMS or whatever and connect it to the PLC
12:29:57 <les> yes isolation transformer
12:30:17 <anonimasu> ah yeah
12:30:20 <anonimasu> that'd be perfect
12:30:20 <alex_joni> that's what I mean...
12:30:36 <alex_joni> carefull only to have it designed for frequencies the chopper uses
12:30:39 <les> perhaps even some stuff to check phase balance if you wish
12:30:40 <alex_joni> not 50Hz
12:30:57 <anonimasu> hm, I use 50->200hz
12:31:13 <alex_joni> yup.. a plain transformer might not perform well at 200 Hz
12:31:14 <anonimasu> 0-200hz.
12:31:15 <anonimasu> :
12:31:17 <anonimasu> :)
12:31:18 <alex_joni> depends on the model
12:31:35 <les> will prob be ok...problem is usually at very low frequencies...the core saturates
12:31:40 <anonimasu> I could use a shunt and a rectifier..
12:31:43 <alex_joni> I just had a crash-course in transformers ;)
12:31:51 <les> ha
12:31:51 <alex_joni> anonimasu... depends on the voltage
12:31:53 <alex_joni> ;)
12:32:05 <anonimasu> 320v ;)
12:32:09 <anonimasu> err 340..
12:32:11 <alex_joni> remember the rectifier opening voltage
12:32:16 <alex_joni> I meant the voltage on the shunt
12:32:23 <alex_joni> say you use .01 ohm
12:32:46 <alex_joni> at 10 amps (a lot) you'd have .1V
12:33:04 <les> use a precision rectifier...an op amp with a diode in the feedback loop
12:33:09 <les> actually two
12:33:15 <alex_joni> yeah .. that too
12:33:24 <alex_joni> or use a 1:10 separation transformer ;)
12:33:31 <anonimasu> hm, way over my head in electronics
12:33:32 <anonimasu> :)
12:33:36 <les> yes
12:34:10 <les> but a .25 cent op amp will reduce the forward voltage drop to nothing
12:34:23 <les> (divide by feedback gain)
12:35:07 <les> plenty of info in manufacturer's data sheets
12:36:07 <les> just have a floating front end
12:36:42 <anonimasu> :)
12:36:54 <alex_joni> I had some big troubles with transformers yesterday and the day before ;-)
12:37:06 <anonimasu> I should ask my father on how to do it later :9
12:37:13 <alex_joni> I was at a customer and couldn't figure out why a transformer got to heat up
12:37:14 <les> heh
12:37:18 <anonimasu> although I dont know if he'll know
12:37:30 <alex_joni> eventually I found that the supply had some DC component in it :(
12:37:41 <les> uh oh
12:37:50 <alex_joni> anonimas: the best way is to do it the op-amp way
12:38:22 <anonimasu> * anonimasu isnt into op amps
12:38:31 <anonimasu> but I'll look at it :)
12:38:34 <les> very easy
12:38:35 <anonimasu> the simplier the better..
12:38:37 <alex_joni> the easy way is to amplify the voltage from the shunt (1:10 transformer), then a normal rectifier bridge, big capacitor
12:38:41 <alex_joni> and you're done ;)
12:38:43 <anonimasu> I am curious about the programming ;)
12:38:49 <alex_joni> not very good on the low voltages
12:38:55 <anonimasu> alex_joni: is that what a shunt does
12:38:58 <alex_joni> it won't open..
12:39:06 <alex_joni> the shunt is only a resistor
12:39:13 <alex_joni> like a normal one
12:39:30 <alex_joni> it is called shunt because of it's field of operation (e.g. where it gets used)
12:39:35 <anonimasu> ah ok
12:40:04 <alex_joni> you'll have a proportional voltage on it based on the current flowing through it (U = I x R)
12:40:16 <les> one quad op amp, 2 diodes, a few resistors, and one bypass cap
12:40:23 <les> per leg
12:40:45 <anonimasu> the troble I am having with op amps is "what" to use
12:40:45 <anonimasu> :)
12:41:06 <les> almost anything
12:41:26 <anonimasu> the voltages/gain/stuff seems too small for most things
12:41:26 <anonimasu> :)
12:42:07 <les> I usually just stock fet input ones
12:42:19 <les> cheap and work for everything
12:42:39 <les> use lm 2900 for automotive
12:42:55 <les> $.08 in quantity for a quad
12:43:10 <les> Use Burr Brown for audio
12:43:23 <anonimasu> so ok
12:43:37 <alex_joni> you'll find thousands of schematics for your plan
12:43:43 <les> yup
12:43:44 <alex_joni> with op-amps
12:43:57 <anonimasu> http://www.nzart.org.nz/nzart/examinat/amateur%20radio%20study%20guide/Course%20Files/Meters%20&%20Measuring/STUDY%20NOTES%20-%20METERS%20&%20MEASURING.htm
12:44:02 <alex_joni> the place I'd check is inside the producer pdf
12:44:12 <anonimasu> ;)
12:44:23 <alex_joni> usually the supply sample schematics for different type of operations
12:44:40 <les> off to the shop for me...
12:44:56 <les> must make cherry chips
12:45:12 <alex_joni> bye les...
12:45:20 <anonimasu> yeah
12:45:20 <les> later all
12:45:21 <anonimasu> :9
12:45:22 <anonimasu> later
12:45:30 <alex_joni> paul_c: very quiet today ;)
12:45:33 <anonimasu> * anonimasu is more curious at how well it'd do when cutting
12:45:44 <alex_joni> * alex_joni still trying to fit those huge LS7266 ...
12:45:47 <anonimasu> I can alwys order a VFD with a integrated plc..
12:45:49 <anonimasu> :]
12:46:01 <paul_c> * paul_c is doing research
12:46:07 <anonimasu> although at 757$
12:49:06 <anonimasu> a bit violent for a hobby thing ;)
12:49:44 <alex_joni> oopsy ;)
12:50:15 <anonimasu> yeah :)
13:05:59 <alex_joni> the stuff les talked about you can build for 20$
13:06:10 <alex_joni> included the parts you'll trash the first time ;-)
13:08:43 <anonimasu> yeah :)
13:08:44 <anonimasu> http://www.mmsonline.com/articles/029905.html
13:13:01 <anonimasu> alex_joni: I am going to build thoose things
13:13:19 <anonimasu> and write a implementation for it in emc :)
13:14:02 <alex_joni> you do that
13:14:17 <alex_joni> tell me if I can help you somehow ;)
13:14:26 <alex_joni> drop me an e-mail if I'm not on IRC
13:14:28 <anonimasu> the hard part is the electronics
13:14:29 <anonimasu> :)
13:14:32 <picnet> picnet has quit
13:14:43 <alex_joni> at this project that would be the easy part ;)
13:14:48 <anonimasu> ;)
13:14:54 <alex_joni> it's just a bunch of components, nothing fancy
13:15:17 <anonimasu> * anonimasu sucks at electronics
13:19:11 <anonimasu> I am better at code :)
13:23:47 <alex_joni> it's all about experience..
13:23:53 <alex_joni> after a while it'll see simple ;)
13:25:25 <anonimasu> hehe
13:25:35 <anonimasu> I'll throw some code down later today
13:25:43 <anonimasu> about it..
13:25:46 <anonimasu> but it depends if I get time
13:30:54 <anonimasu> :)
13:36:44 <anonimasu> the hardest thing is getting emc to change the feed in almost realtime
13:37:28 <alex_joni> hang on a moment
13:37:48 <anonimasu> sure
13:39:10 <alex_joni> EMC_TRAJ_SET_SCALE
13:39:54 <anonimasu> can you do that on the fly?
13:40:35 <alex_joni> it's a command the GUI sends to the Taskcontroller
13:40:44 <alex_joni> and you can do that whenever you need to
13:40:45 <alex_joni> but!
13:40:53 <alex_joni> GUI and task controller are nonrt
13:41:06 <anonimasu> I wonder how quick it has to be
13:41:29 <anonimasu> fairly atleast
13:42:01 <alex_joni> that does : emcmotCommand.scale = scale;
13:43:46 <anonimasu> ok
13:44:33 <anonimasu> how much do you have to go through to add a rtscale variable
13:44:42 <anonimasu> or to make it respond quicker?
13:46:23 <alex_joni> it's tougher at the RT part
13:46:36 <alex_joni> don't think you have something like that there
13:46:42 <alex_joni> * alex_joni is just looking over the code
13:46:47 <anonimasu> :)
13:47:39 <alex_joni> you don't have speeds there... you have a commanded and an actual position (I think)
13:48:01 <anonimasu> hm, ok
13:49:44 <alex_joni> I'd go with the non-rt approach first
13:49:51 <alex_joni> build a simple app:
13:50:00 <alex_joni> use NML to connect to the task controller
13:50:25 <anonimasu> and interface the plc in my case with the serial port..
13:50:34 <alex_joni> and send him EMC_TRAJ_SET_SCALE's (1.0 = normal feed,1.2 = 20% more feed, etc...)
13:51:15 <alex_joni> you'll see this changes in your GUI as the position of the slider is based on the feedback from the task controller
13:51:21 <anonimasu> yeah :9
13:51:22 <anonimasu> :)
13:51:33 <alex_joni> but you'll be able to change it once per servo_cycle (tops)
13:51:40 <anonimasu> I wonder if I could compensate it on spindle rpm..
13:51:45 <anonimasu> since I dont have the other stuff at hand
13:51:47 <anonimasu> for testing
13:51:58 <alex_joni> you could
13:52:05 <alex_joni> thing is... how do you test it?
13:52:12 <anonimasu> aluminium ^_^
13:52:16 <alex_joni> yeah...
13:52:19 <anonimasu> and a suicide cut.
13:52:31 <anonimasu> or well a pretty tough cut..
13:52:34 <alex_joni> put an analog ampmeter in series with the motor (on one of the windings)
13:52:39 <alex_joni> and watch it bounce
13:52:44 <anonimasu> yeah :)
13:52:44 <alex_joni> maybe remember the max value
13:52:55 <alex_joni> then run it again with the compensation
13:52:59 <anonimasu> yep
13:53:17 <alex_joni> if it really makes a difference it would be cool
13:53:23 <anonimasu> yeah
13:53:26 <anonimasu> I'll try it out today..
13:53:32 <alex_joni> but I'm afraid of the response time
13:53:32 <anonimasu> if I can get emc running ;)
13:53:34 <anonimasu> yeah
13:54:18 <anonimasu> keeping a constant load probably does wonders for tool life aswell
13:54:26 <anonimasu> i'll try it out this weekend :)
13:54:44 <alex_joni> cool
13:54:46 <anonimasu> got any example on how to connect with nml?
13:54:52 <alex_joni> let me know how it works
13:54:58 <alex_joni> anonimasu: kinda
13:55:05 <anonimasu> yeah the thing that'll take most time is to set up my configs..
13:55:09 <anonimasu> tomorrow probably
13:55:42 <alex_joni> http://www.isd.mel.nist.gov/projects/rcslib/NMLcpp.html
13:56:02 <anonimasu> thanks
13:56:45 <anonimasu> I'll tell you how it works
13:58:42 <anonimasu> I wish I had a better box for emc..
13:59:26 <anonimasu> but well, if this works out I'll get one..
14:02:39 <alex_joni> you need to do smthg like example4
14:03:37 <anonimasu> yeah that seems pretty straightforward :)
14:04:03 <alex_joni> but look also at xemc (yemc) those actually do the EMC_TRAJ_SET_SCALE
14:04:46 <anonimasu> I'll do that 
14:04:51 <anonimasu> I need to leave a bit for some work
14:04:57 <alex_joni> emc\src\emctask\xemc.cc
14:05:00 <alex_joni> have fun ;)
14:05:12 <anonimasu> hehe
14:05:13 <anonimasu> yeah
14:05:17 <anonimasu> coding some stu
14:05:24 <anonimasu> * anonimasu slaps the plc
14:10:31 <alex_joni> anonimasu: take a look at feedslider.cc 
14:10:36 <alex_joni> it does everything you need
14:10:48 <anonimasu> ok
14:10:49 <anonimasu> :)
14:11:10 <slomo> slomo has joined #emc
14:11:20 <slomo>  type /msg NickServ IDENTIFY 3767411
14:11:28 <alex_joni> you need to modify it a bit... it is set up for "remote" you need it for "local"
14:11:39 <alex_joni> slomo: without the type ;-)
14:11:55 <slomo> yea i know, to early
14:12:07 <slomo> can't copy/paste
14:13:14 <anonimasu> hehe
14:20:40 <slomo> the gcode editor from the menu select does not appear to work
14:20:55 <slomo> does some config need to be set ?
14:22:38 <A-L-P-H-A> Someone here told me I could use my lathe and a makeshift broach to cut an internal keyway.  I'm just wondering what angles are needed for this said broach.  Anyone have clues?
14:38:30 <anonimasu> anonimasu has quit
14:39:28 <anonimasu> anonimasu has joined #emc
14:39:34 <anonimasu> re..
14:40:09 <A-L-P-H-A> hi
14:43:51 <alex_joni> you've lost your terminal ;)
14:49:28 <A-L-P-H-A> doh... robin_sz isn't around.
14:49:46 <A-L-P-H-A> last seen 4 days ago.
14:50:20 <picnet> picnet has joined #emc
14:59:51 <jepler_> morning guys
15:05:20 <A-L-P-H-A> hey
15:05:22 <A-L-P-H-A> hi.
15:05:29 <A-L-P-H-A> coffee and apple turnover time
15:07:04 <alex_joni> * alex_joni goes home
15:07:06 <alex_joni> bye guys
15:16:00 <alex_joni> alex_joni has left #emc
15:43:52 <jepler_> * jepler_ checks in a change that makes axis support tool radius compensation in the preview plot
15:43:59 <jepler_> jepler_ is now known as jepler
15:52:24 <picnet> picnet has quit
15:53:19 <gezr> morning
15:54:23 <gezr> wow was I having a wicked dream
15:54:43 <gezr> paid for a lunch with some sort of waffle cake money stuff
15:55:06 <gezr> found a little shop that had these strange small lizzards in it, and a woman was talking all about them, 
15:55:10 <gezr> It was just neat
15:56:02 <gezr> it had been a long time since I had such a full color dream like that
15:57:40 <gezr> oh doctor said since I seem to think my arm is a bit better that were gonna keep it in the brace another month, tests showed that surgery should be done, 
16:00:02 <les> I had dreams about cnc
16:02:13 <les> really
16:02:13 <les> I'm workin a bit too hard...gonna be bouncin off the walls soon
16:02:13 <gezr> Im not sure what I was looking for in this dream but the shop I went into had motorcycle stuff on the outer wall, and other things, 
16:02:13 <gezr> les : are you on time to make deliveries?
16:02:13 <cradek> les: last night I got my machine to run at 25ipm.  I watched lots of blended lines and arcs!
16:02:13 <les> well thay will take all production we can do
16:02:13 <les> really
16:02:13 <les> you should see it at 250
16:02:13 <gezr> cradek : oh using segmot?
16:02:13 <cradek> les: I bet
16:02:13 <cradek> les: my machine previously could do only about 10 so this looks *really* fast to me
16:02:13 <gezr> les : hey, I told my wife about your place, she only asked me when :)
16:02:19 <cradek> gezr: yes
16:02:21 <les> I just turned off the machine for the week's production
16:02:28 <les> cool
16:02:45 <les> Monday is mainenace I think
16:02:50 <les> oops
16:03:00 <les> greasing ballscrews etc
16:03:02 <gezr> that almost looks like a new word
16:03:17 <les> haha
16:04:09 <gezr> les : you use grese hu?
16:04:09 <les> lube for me is based on contamination
16:04:09 <les> it's basically a good cleaning
16:04:16 <les> some stuff gets under the way covers
16:04:21 <gezr> ah, but I like greese over oil on slides/screw
16:04:55 <les> most of the contamination is fine wood dust I guess
16:05:06 <les> not too abrasive
16:05:09 <gezr> thats not so bad
16:05:14 <les> but still not the best
16:05:17 <gezr> not to resistant to compression either
16:05:37 <les> unless I cut a lot of teak
16:05:45 <les> it has silica in it
16:05:49 <les> quite a bit
16:05:56 <gezr> all wood has some of that in it though right?
16:06:03 <les> a little
16:06:49 <les> and I am just starting to get numbers on how long the tools last
16:07:17 <les> not long
16:07:27 <les> 300 units
16:07:28 <gezr> hmm
16:07:34 <gezr> thats not too bad
16:07:38 <gezr> I know its an expensive tool
16:07:48 <les> that's 700 minutes
16:07:51 <les> or
16:08:09 <les> 11 hrs
16:08:10 <gezr> are you using solid carbide tooling? or can you resharpen there at your place?
16:08:26 <les> yes solid carbide
16:08:40 <les> I can sharpen all but the spirail bits
16:08:47 <les> spiral
16:09:10 <gezr> could an inserted tool work, or is the cut geomerty such that it would be impossiable?
16:09:31 <les> Yes...there are insert woodworking tools
16:09:46 <les> might be an idea for some
16:10:05 <les> But I find I must use the spiral downcut
16:10:21 <les> or it will slip out of the collet
16:10:25 <gezr> to keep the tool up in the holder right? or is it also a function of the cut?
16:10:49 <les> not a function of the cut on this job
16:11:37 <gezr> I need to draw up what I was talking about for you
16:11:45 <les> sometimes it is...downcut does not splinter top edges
16:11:59 <gezr> I know drawing up doesn't get you a working fix
16:12:06 <les> yeah...I have been sketching tool holders
16:12:23 <gezr> Im also thinking about a cartdrige spindle
16:12:33 <gezr> not just a tool holder
16:12:44 <les> what I really need is a colombo spindle though
16:12:56 <gezr> yeah
16:13:00 <les> that would solve all problems
16:13:09 <les> I am so hp limited
16:13:26 <gezr> how many hp are you using right now?
16:13:29 <les> If I have 3 times the hp I go 3 times faster
16:13:35 <les> 3
16:13:41 <les> not nrearly enough
16:13:50 <gezr> what rpm?
16:13:58 <les> 21000
16:14:04 <gezr> well, this is an area I dont fully understand
16:14:06 <les> except for drilling
16:14:11 <A-L-P-H-A> Anyone know how to make an internal keyway within a cup on a lathe?  Like what angles I should find on my shaper?
16:14:12 <les> 12,000 for that
16:14:43 <les> you have a shaper?
16:14:47 <gezr> A-L-P-H-A : I love my shaper :)
16:15:02 <A-L-P-H-A> gezr... got pictures of your shaper? angles? measurements?
16:15:18 <gezr> A-L-P-H-A : its a atlas 7 inch
16:15:34 <A-L-P-H-A> find=grind.
16:15:53 <gezr> les : yeah I guess you need to go up on everything
16:16:10 <les> yup
16:16:29 <gezr> A-L-P-H-A : I dont guess I know what a cup is? are wanting to make a keyway on the inside of a bore, 
16:16:32 <les> a 24000 rpm 400 hz colombo is what I need
16:16:49 <A-L-P-H-A> gezr, yes. the inside of a bore.  But the bore is not all the way through.
16:16:49 <les> bearing cup?
16:17:14 <les> no coulldn't be
16:17:19 <les> agh
16:17:21 <gezr> A-L-P-H-A : do you have the straight tool? there is some photos on the web that shows a guy who made a special tool?
16:17:40 <A-L-P-H-A> never heard of a straight tool.
16:17:56 <gezr> A-L-P-H-A : as in it bolts onto the clapper and sticks out much like a pecker, with the tool bit sticking down or whatever angle you want it to be in
16:18:43 <A-L-P-H-A> gezr, you don't happened to have an url.
16:19:06 <gezr> A-L-P-H-A im looking, found you a good faq, that I use if your not a shaper master already?
16:19:16 <gezr> http://home.att.net/~kayfisher/shaper_faq.html
16:19:52 <A-L-P-H-A> gezr, the bore is only 29mm dia.
16:20:03 <gezr> yeah, that wont be a problem
16:20:18 <gezr> http://www.jamesriser.com/Machinery/AtlasShaper/AtlasShaper.html
16:20:24 <gezr> mine looks like that, but ugly
16:20:45 <gezr> there is the picture of the cutter on that page
16:20:48 <A-L-P-H-A> err... I thought a shaper wsa something else.
16:21:17 <gezr> you mean milling machine?
16:21:36 <A-L-P-H-A> gezr.  I have a milling attachment I could use on my lathe, that would act like a shaper.
16:21:57 <gezr> oh oh oh okay
16:22:19 <gezr> alrighty, this will be wicked on your machine but its the only way to get a straight keyway 
16:22:24 <A-L-P-H-A> but I'm trying to get out a 3mm or was it 4mm groove on the internal dia.
16:22:41 <gezr> how wide and how deep?
16:22:52 <gezr> 3mm wide, 3mm depth?
16:23:08 <A-L-P-H-A> someone else said I could use a makeshift broach, and use the ways wtih a chisel like tool to scrap out the keyway.
16:23:15 <gezr> yes
16:23:17 <A-L-P-H-A> I think it maybe 4mm x 2mm.
16:23:21 <gezr> thats what im going to show you
16:23:24 <A-L-P-H-A> 4mm wide, 2 deep, 3 deep.
16:23:27 <A-L-P-H-A> gezr, cool.
16:23:47 <A-L-P-H-A> I'm gonna photo this first... sec.
16:24:48 <gezr> your going to need to use your 4 jaw chuck to hold a square bit, ground to the shape your going to be broaching, Ive made square holes this way using the c axis on a lathe to fix poisition of the spindle and then used the turret like a press break to knotch out the groove
16:25:10 <gezr> or better yet, you can keep the part in your chuck, and hold the bit in the milling attatchment
16:25:15 <gezr> doesnt really matter
16:25:20 <gezr> whatever is easier for you
16:26:03 <gezr> get things lined up, and take very small passes, dont use the rack and stuff to move the slide, too much torque placed on those parts, put your hand behind the carrage and push from there
16:26:21 <gezr> use a broom stick or something to assist you if you need more power
16:26:56 <gezr> but DONT use the little gears and stuff, you just want to use the machine's base/slide to carry the load
16:28:39 <Alpha1125> Alpha1125 has joined #emc
16:28:42 <gezr> if your milling attatchment atatches ontop of your (I cant think of whats its called) use it to set the angle so that its not quite 90deg to parallel with direction of cut, that way, a 2mm movement on that screw moves the tool deeper iinto the groove, .002mm or so
16:28:51 <Alpha1125> err... could you repost everything from my last message?
16:29:00 <gezr> oh gowd
16:29:00 <Alpha1125> computer frooze, after I put my flash card in.
16:29:26 <Alpha1125> sorry
16:29:30 <gezr> hahahah
16:29:34 <gezr> no big deal, :)
16:29:55 <gezr> tell you what, we can start over :)
16:30:53 <Alpha1125> my milling attachment is able to pivot, and has height control.  So I can mill from top, side, front as well.
16:30:55 <gezr> do you have a boaring bar that holds a tool bit?
16:31:00 <Alpha1125> yes.
16:31:07 <Alpha1125> at 90' and 45'
16:31:13 <gezr> has like a square hole in it right?
16:31:18 <Alpha1125> holds a 3/16 HSS bit.
16:31:23 <Alpha1125> square bits yes.
16:31:23 <gezr> you slide the bit into the hole and on and on?
16:31:34 <gezr> get that bar so its in your hand now
16:31:41 <gezr> have you already ground your bit?
16:31:53 <Alpha1125> no, I haven't ground the bit.
16:31:53 <gezr> and can you lock the position of your lathe spindle?
16:32:05 <Alpha1125> yes.  it's indexable, with locking pins on the back of the spindle.
16:32:12 <gezr> okay cool
16:32:27 <gezr> get your boaring bar and put a bit in it, im going to describe how its ground
16:32:33 <Alpha1125> awesome.
16:33:54 <gezr> im going to imagine that the bar and bit sorta form this   ======//=    with the bar being the == and the square bit sticking out much like //
16:34:25 <Alpha1125> yeah, it sticks out at like 45 degrees.  if I flip the tool 180... There's another slot to make it work at 90degrees.
16:34:49 <gezr> okay, If i was good at cad I could draw it up really quick let me try that okay?
16:34:57 <Alpha1125> sure.
16:35:15 <Alpha1125> You can send DXF, DWG files if you want.  Either are fine.
16:35:26 <gezr> give me a few minutes
16:35:35 <Alpha1125> no problem.
16:35:36 <anonimasu> hello everyone
16:37:06 <anonimasu> * anonimasu is writing software for the plc :)
16:43:37 <A-L-P-H-A> A-L-P-H-A has quit
16:47:05 <gezr> howdy anonimasu 
16:48:03 <Alpha1125> Alpha1125 is now known as A-L-P-H-A
16:49:02 <anonimasu> hello
16:49:03 <anonimasu> :)
16:49:24 <gezr> A-L-P-H-A it should be there
16:49:56 <gezr> let me know if its too retarded looking, I can always get some crayons out, 
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16:51:06 <anonimasu> lol
16:51:55 <gezr> I spent some cash to upgrade my turbocad ive had various versions of it, since the early 90's, Im still not good with it
16:52:55 <gezr> A-L-P-H-A : do you sorta see how your going to grind that?
16:53:18 <gezr> you want it to be like a chissle edge your going to move the part under
16:53:29 <gezr> making very small cuts and just scrapping away a bit at a time
16:54:03 <gezr> do NOT use the handwheel to advance the cross slide, use your hand or a stick behind the saddle 
16:54:10 <A-L-P-H-A> I still haven't been able to recieve the file.
16:54:13 <gezr> I mean saddle where I put cross slide
16:54:34 <gezr> it may be getting chewed on by spam filters
16:54:38 <gezr> and virus stuff
16:54:43 <gezr> it will be there :)
16:59:01 <A-L-P-H-A> yikes, still not here... I think it got lost.
17:00:02 <A-L-P-H-A> brb
17:03:43 <A-L-P-H-A> back
17:05:51 <gezr> did you get the file?
17:06:08 <A-L-P-H-A> no... it's gone to the digital abyss
17:06:16 <gezr> but you got the email?
17:06:58 <A-L-P-H-A> no, no email.
17:08:37 <anonimasu> heh I hope this 1500$ plc dosent burn ^_^
17:11:59 <A-L-P-H-A> here's some pictures, for kicks... www.lloydleung.com/EMC
17:12:37 <anonimasu> damn.
17:12:38 <anonimasu> ^_^
17:15:08 <anonimasu> a-l-p-h-a: that looks nice
17:15:48 <gezr> oih its in brass
17:15:51 <gezr> easy
17:15:56 <A-L-P-H-A> yeah, it's tool brass.
17:16:08 <gezr> you get that file?
17:16:14 <A-L-P-H-A> :( no.
17:17:00 <A-L-P-H-A> that bore is exactly 29.00mm. :) I was really happy about that.
17:18:28 <gezr> put the bar once you have your tool ground in your tool holder, keep the part in the chuck
17:18:36 <tbl> tbl has joined #emc
17:18:56 <gezr> indicte the tool so that it is parallell to the machine 
17:19:10 <gezr> set it so that the middle of the tool bit is on the lathe center height
17:19:45 <A-L-P-H-A> cool! I understand.
17:20:27 <A-L-P-H-A> so a 45degree rake, witha  7degree follow thru.
17:20:38 <gezr> then right a program to move the tool out .01mm with each stoke,....out, stroke to depth, in, retract, move out .01mm
17:20:42 <gezr> oh I forgot the front
17:21:03 <gezr> you should first boor a ring groove in the back of your bore so that the tool has a relief to enter
17:21:25 <gezr> just 7 on the front as well
17:21:27 <A-L-P-H-A> ring groove?
17:21:48 <gezr> just a groove or something that as the metal forms it breaks off at the back of the keyway
17:22:00 <gezr> as to not put more and more pressure on the tool
17:22:26 <gezr> it doesnt have to be full dpeth does it?
17:22:40 <gezr> if not, then you can since your cnc, make the path go deep then pull out
17:22:54 <gezr> and do it in a very fast feed
17:22:57 <gezr> even the cut
17:23:23 <A-L-P-H-A> oh.
17:23:32 <A-L-P-H-A> I was just gonna round up.
17:23:46 <A-L-P-H-A> no it doesn't have to go full depth.
17:23:47 <gezr> g0 z-4.;g0x(size of bore)z-4.5
17:23:58 <gezr> something like that
17:24:24 <A-L-P-H-A> yeah, I understand... just like round up as I need the end of the pass.
17:24:28 <gezr> so position the tool   g0 x29.01; g0 z-4.;g0z-4.x28.5;
17:25:00 <A-L-P-H-A> the damn setscrew for the bit seems to be jammed. :(
17:25:06 <gezr> ive done this in 35Rc 4140 at 100ipm
17:25:26 <gezr> dont strip it, hit the back of the tool with a hammer to move it
17:25:39 <gezr> your going to shave your keyway
17:25:48 <gezr> little by little
17:26:01 <gezr> dont have your tool sticking out too far
17:26:08 <gezr> try to keep your ridigity way up
17:26:14 <gezr> and use an oil
17:27:14 <gezr> in your 037 img, thats almost there 
17:27:17 <A-L-P-H-A> cool.  I just need to use a vise to get some leverage.
17:27:46 <gezr> you see where your arrow line is that describes the bit?
17:27:58 <gezr> wack that angle off so that its sorta parallel with the bar :)
17:28:02 <A-L-P-H-A> I just flipped the bit.
17:28:13 <A-L-P-H-A> need to grind that edge a little bit.
17:28:15 <gezr> bingo
17:28:30 <gezr> dont forget to relieve the cutting edges
17:28:33 <A-L-P-H-A> the relief isn' tthere.
17:28:47 <gezr> and just go easy on it,
17:29:00 <gezr> try it on a test piece
17:29:02 <gezr> first
17:29:05 <A-L-P-H-A> yeah, cup of water beside me too... shave slow.
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17:29:13 <A-L-P-H-A> gezr, thanks for the help.
17:29:14 <gezr> not water, use oil
17:29:18 <A-L-P-H-A> oil to cool?
17:29:24 <gezr> yep
17:29:28 <gezr> and to lubricate
17:29:41 <gezr> any cooking oil will work, or real oil
17:29:43 <A-L-P-H-A> I meant grinding the HSS.
17:29:49 <gezr> oh yeah water
17:30:03 <gezr> you cant get hss too hot, you can, if you turn it all cherry red
17:30:07 <A-L-P-H-A> I have oil/water solution i use as coolant.
17:30:17 <gezr> oh that will work
17:30:34 <gezr> hss when its too hot to hold just dip in water, your not going to change it
17:30:43 <A-L-P-H-A> okay... off to try this... well... write some gcode first for myself.
17:31:06 <gezr> if you can use a sub program, much easier
17:31:14 <gezr> I dont know much about what emc likes or doesnt like
17:31:20 <A-L-P-H-A> I was going to... write one pass, and then do it over and over again.
17:31:27 <A-L-P-H-A> I acutally still use turbocnc.
17:31:27 <gezr> yeah
17:31:36 <gezr> can you use macro programs?
17:31:46 <gezr> if you can thats the way to do it :)
17:32:01 <A-L-P-H-A> it can, in version 4.
17:32:13 <A-L-P-H-A> I still use 3.24a... though I did beta test 4 for a while.
17:32:28 <gezr> just try it on a practice piece, first
17:32:36 <gezr> left over brass or whatever
17:32:50 <gezr> just offset it in your chuck, so you can do it on the outside of the part
17:33:17 <gezr> keep your speeds high
17:33:34 <gezr> whats your max ipm you think?
17:33:43 <gezr> if its under 100 use all rapids
17:33:44 <A-L-P-H-A> my max is SLOW.
17:33:50 <gezr> then use g0
17:34:01 <A-L-P-H-A> let me check my rates... brb
17:34:02 <gezr> this is not the best thing for a machine 
17:35:25 <A-L-P-H-A> 480mm/min
17:36:01 <A-L-P-H-A> I could probably tinker with it to get the speeds a little hight... maybe 600-750mm/min
17:36:36 <gezr> just use what you have
17:36:46 <gezr> dont try to tear up your equipment
17:37:28 <jepler> patience is a tough skill
17:37:28 <gezr> part in chuck, tool in tool holder, tool center matches center height of machine
17:37:39 <gezr> program to take little cuts
17:37:53 <gezr> you could probably do it in one wack, if you had horse power :)
17:38:06 <gezr> but just keep it simple
17:38:06 <A-L-P-H-A> not on a 2mm pitch leadscrew.
17:38:40 <gezr> one wack would be a lot, maybe 6 would be ideal
17:38:52 <A-L-P-H-A> off to attempt to grind this hss bit. :)
17:39:01 <A-L-P-H-A> gezr, thanks for the help...
17:39:04 <gezr> more reliefe wont hurt
17:39:17 <A-L-P-H-A> I'll photo what i've got in the end. :)
17:39:19 <gezr> just keep the very top or accual cuting edge the right size
17:39:31 <gezr> be safe
17:40:03 <anonimasu> damn. typo
17:40:19 <dave-e> is paul hiding
17:40:58 <gezr> I dont know dave-e 
17:41:12 <gezr> that looks as bad as it sounded
17:41:19 <gezr> dave-e : I dont know if he is hidding :)
17:41:32 <dave-e> you get to take your chances
17:41:59 <gezr> its about 6pm for him maybe he is having dinner
17:42:16 <dave-e> that could be...or tea
17:42:43 <dave-e> he tends to go to tea later than traditional
17:43:03 <dave-e> gezr... where are you?
17:43:11 <gezr> conway arkansas
17:43:13 <gezr> you?
17:43:21 <dave-e> Yakima WA
17:43:34 <dave-e> southeastern wa state
17:43:37 <gezr> ah cool
17:43:49 <dave-e> 80 km e of mt st. helens
17:43:58 <gezr> not so cool
17:44:11 <dave-e> was here when it blew...
17:44:14 <gezr> i bet its beautiful over there
17:44:36 <dave-e> there was this funny snow falling out of the sky...only it didn't melt
17:44:57 <dave-e> we are the dry side of the state...high desert
17:45:06 <gezr> still pretty to me
17:45:19 <gezr> Im surounded by pine forests
17:45:24 <gezr> and rivers and streams and lakes
17:45:54 <dave-e> the valleys here are irrigated....so we grow apples, hops, etc
17:46:01 <dave-e> grapes...wine and other
17:46:52 <paul_c> * paul_c has just got in from town.
17:47:07 <dave-e> still trying to bring up a decent  sized mill... Mazak V5
17:47:38 <dave-e> thanks to a recommendation from Les to try newstgmod.o the stg1 card homes rather nicely
17:47:47 <paul_c> * paul_c is trying to decide which flight to book for next week.
17:47:56 <dave-e> to?
17:48:09 <paul_c> west coast
17:48:31 <dave-e> Oh, you mean Bath? :-)
17:48:49 <dave-e> we finally got enough snow to open the ski areas
17:48:50 <paul_c> Bath is no where near the coast !
17:49:02 <slomo> paul_c: the one that gets you there :)
17:49:02 <dave-e> Opps!
17:49:32 <paul_c> LHR=>LAX
17:49:45 <dave-e> oh...warm country
17:49:55 <dave-e> go give tbl a bad time
17:50:11 <paul_c> drive north, and...
17:50:34 <dave-e> we're only 1300 mi or so
17:50:49 <paul_c> can do that in two days
17:50:53 <anonimasu> * anonimasu yawns
17:50:58 <anonimasu> hm, time to test this out
17:51:02 <slomo> paul_c: alaska in three
17:51:21 <dave-e> true...nope...Alcan takes a week or so
17:51:26 <dave-e> from here
17:51:26 <anonimasu> got the plc to count the spindle rpm now
17:51:26 <anonimasu> :)
17:51:26 <paul_c> Oooo... I get to visit Canada ;}
17:51:43 <slomo> be sure to pack your LONNNNG johns
17:52:28 <paul_c> got me a beaver to wear.
17:52:47 <slomo> no comment ...
17:52:48 <dave-e> thats a start
17:53:27 <anonimasu> haha
17:53:55 <dave-e> gotta run...lots of other stuff to try to make work.
17:54:28 <A-L-P-H-A> alright... the tool is ground, and looks to be working. :)
17:54:33 <A-L-P-H-A> now to work the code out.
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17:54:47 <slomo> paul_c: the gcode editor from K menu is not working, does something need a setup ?
17:56:29 <paul_c> slomo: Noted - Will check on it this evening.
17:57:06 <slomo> ok, also whats the icon something about lp? cp? something 
17:57:20 <paul_c> http://www.caving-supplies.co.uk/cgi-bin/psProdDet.cgi/18005||~%40c~%40b~Beaver|0|user|1,0,0,1|10
17:57:47 <paul_c> hrrmmm... need to cut'n'paste that link..
17:58:06 <slomo> have to keep that nomenclature in mind next time i refer to a beaver 
17:58:36 <paul_c> cp1 is a "conversational programming" module that spits out g-code for EMC.
17:59:54 <tbl> heh
17:59:59 <tbl> it's not so great out here!
18:00:03 <tbl> it was hot yesterday
18:00:05 <slomo> not to sure thats working as well, what's it supposed to bring up ?
18:00:09 <tbl> and im sick with some bug that is going around
18:00:18 <tbl> damn brits messed up the flu shots!
18:00:23 <tbl> i blame paul!
18:00:53 <paul_c> * paul_c notes to pack some unusual infections for tbl
18:02:29 <slomo> i'm doing some testing of my setup, using the progs on pico sys homepage
18:02:53 <slomo> circles are coming out flat on two sides
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18:37:56 <gezr> the trashman came and took my trash away
18:37:59 <gezr> whooohoooo
18:43:48 <anonimasu> brb..
18:47:37 <paul_c> It's going to be a hectic couple of days...
18:48:02 <gezr> it is?
18:48:21 <gezr> err, dont know why I had to ask that
18:48:28 <paul_c> gotta go over to Lil' Sis and finish her kitchen tomorrow...
18:48:44 <gezr> that sounds fun :)
18:48:57 <paul_c> then squash a few bugs with the emc.deb and build a new CD.
18:49:32 <paul_c> and then get to Heathrow middle of the week.
18:50:16 <gezr> i have to go buy pans and some bench type stuff for my shop
18:50:18 <gezr> I have zero desk or working space
18:50:37 <gezr> you are busy for sure
18:51:16 <paul_c> gotta book cars, motels, pack....
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18:52:04 <paul_c> and I just know US.gov is going to be a pain in the butt.
18:53:12 <paul_c> gotta go - Out to lunch tonight.
18:54:17 <gezr> just make sure Cat Stevens isnt on the flight :)
18:54:43 <gezr> usef islam or something is his new name, I like his old music, I have most of his old albums :)
18:55:26 <gezr> I have to go and make the wife happy now, gonna buy something that hopefully a thief wont up and steel yet at the same time be valuable
18:56:22 <gezr> if we ever decide to have children,they can fight over them later :)
18:56:48 <gezr> I dont expect pans to ever fade from our world
18:57:07 <gezr> A-L-P-H-A : how is it comming?
18:59:24 <gezr> ill be back later on, hope its cutting like it should
19:10:10 <Imperator_> Hi all 
19:10:20 <Imperator_> something new about EMC Fest ?
19:17:15 <jepler> I haven't heard anything
19:19:39 <Imperator_> hm
19:36:37 <A-L-P-H-A> gezr. :) SWEET! Finished
19:36:48 <A-L-P-H-A> not the prettiest thing... but worked. :)
19:37:23 <A-L-P-H-A> fit is snug... but the key isn't tight... I over sized a little... but I'm gonna be holding it down with a set screw anyways... so I'm not too worried about it.
19:42:30 <A-L-P-H-A> I ended up grinding hss to get the profile I needed, case the 3/16 wasn't strong enough, and snapped... and I ran out... so HSS to the rescue.
19:51:46 <A-L-P-H-A> " http://www.lloydleung.com/EMC/Spiggot_Part/ "
19:52:24 <gezr> good so it worked?
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19:52:51 <A-L-P-H-A> gezr, yeah. :)  Thanks, I don't think I would have the confidence to do it without your guidance.
19:53:07 <A-L-P-H-A> I've also been putting off making this part for, oh... 3+ months.
19:53:16 <gezr> yeah down in the bottom you should have cut a groove as deep as the keyway, so that the tool didnt have to push against the shoulder
19:53:46 <gezr> did your machine enjoy making those cuts?
19:54:39 <A-L-P-H-A> it didn't have an issue... but ended up doing it manually... I took the belts off my handles, and used the handles manually... it seems much easier, and actually I think faster.
19:54:47 <A-L-P-H-A> plus I was able to fine tune it.
19:54:53 <gezr> cool
19:54:55 <A-L-P-H-A> I used the CNC to rough it out... and then manually shaved the sides.
19:55:17 <A-L-P-H-A> and now I got a blister on my thumb
19:55:20 <gezr> hahahaha
19:55:34 <gezr> next one you have to do will be much better :)
19:55:40 <gezr> it looks great
19:56:12 <A-L-P-H-A> the part needs a little oil to get it onto the shaft... as the tolerance is super super tight. :) which I'm happy about.
19:56:21 <gezr> whats it for?
19:56:46 <A-L-P-H-A> it's an adapter/spiggot for my worm gear.
19:56:54 <gezr> you make the worm gear your self?
19:57:25 <A-L-P-H-A> I bought that from Boston Gearworks for $65CDN with taxes... with a steel worm.
19:57:27 <A-L-P-H-A> sec.
19:57:36 <gezr> ah
19:57:57 <gezr> I should have a working gear hobb in a year or so
19:58:00 <gezr> maybe longer
19:58:15 <gezr> its way down on my list of need to do things
19:58:27 <A-L-P-H-A> http://lloydleung.com/cpg132/displayimage.php?album=random&cat=0&pos=-1
19:58:52 <gezr> gear hobbing is the only machining process I havent learned, ive done a few gears at home but they were just im gonna try this sort of things
19:59:53 <A-L-P-H-A> yeah, I saw someone's gear hobbing... I understand the concept... but since I don't have a thread cutting attachment on my lathe I can't cut accurate threads... this lathe is only CNCed XYZ.
20:00:21 <gezr> can you control your spindle speed to within a speed?
20:00:38 <gezr> well whats the worm and worm gear thing gonna be for?
20:00:38 <A-L-P-H-A> I have a rheostat to a DC Servo.
20:01:16 <A-L-P-H-A> controlling the spindle position on the lathe.  I'm going to be changing the Spindle drive belt pully with this adapter/worm gear...
20:01:40 <gezr> to give you a 4th axis basically?
20:01:43 <A-L-P-H-A> yup
20:01:46 <gezr> cool
20:01:53 <gezr> how many teeth is the gear?
20:02:37 <gezr> looks like either a 90 or more 
20:03:00 <A-L-P-H-A> http://www.lloydleung.com/?p=15#more-15
20:03:05 <A-L-P-H-A> 100:1 ratio
20:03:36 <A-L-P-H-A> my gallery screwed up in my blog... oh ohwell. :)
20:04:01 <gezr> hehehe
20:04:21 <gezr> looks sharp, should be interesting :)
20:05:22 <A-L-P-H-A> I've got a rotary table... which I could build a bracket for, and make into a 4th axis... but I figured... why?  [plus it's a crappy made in India table from HarbourFreight]
20:06:11 <gezr> ive spent many hours eyeballing one of those
20:06:21 <cradek> cradek has quit
20:06:22 <gezr> but never made the purchase
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20:06:59 <cradek> crap
20:07:01 <gezr> im going to make my own unit also
20:07:50 <gezr> you know what you could do
20:07:53 <A-L-P-H-A> hahaha. :) This is awesome.
20:08:06 <A-L-P-H-A> I just pressfit the worm onto the spiggot.
20:08:14 <gezr> hahah cool
20:08:38 <A-L-P-H-A> I was thinking I needed to drill an extra setscrew or something... but it won't more.
20:08:45 <A-L-P-H-A> I had to put half my weight onto it to get it on.
20:09:01 <gezr> you will need one set screw or braze them together
20:09:31 <gezr> that worm/wheel combo will be able to toss out some force
20:09:33 <A-L-P-H-A> this worm bronze, and the adapter is brass...
20:10:16 <A-L-P-H-A> I can still braze them together?  I'll just do it the easy way... set screw them together.
20:10:23 <gezr> yeah
20:10:25 <gezr> do that
20:10:30 <A-L-P-H-A> I forgot to drill/tap set screws on the spiggot.
20:11:07 <A-L-P-H-A> WOW... it's 3:11pm already?
20:11:56 <gezr> get you a glass of ice water fill it nearly to the top, set the assemble ontop of the galss, so that the wheel holds the spiggot in the ice water, let it sit like that for a while, then run the wheel under hot water in the sink, so that the hot doesnt touch the cold, and them remove the assembly
20:12:26 <gezr> or just put ice in the spiggot's cup
20:12:56 <gezr> that way you will retain as much of the original surface as you possiable can, instead of just down out right pressing htem apart
20:14:23 <gezr> dont forget to make a flat on the area where the set screw will be holding :)
20:14:34 <A-L-P-H-A> I think I'm going to leave them together, and just drill a hole throw two or three of the arms, and put some socket hex head cap screws in.  [drill for tap size] [drill arm to accomate screw] [tap].
20:15:31 <anonimasu> * anonimasu yawns
20:15:37 <anonimasu> the code for the plc worked nicely
20:15:42 <anonimasu> I just need a sensor mount
20:15:49 <gezr> yeah, your not planning on leaving the worm engaged when its under normal power do you?
20:15:54 <anonimasu> and the serial coommunications stuff...
20:16:39 <A-L-P-H-A> gezr, no.  This part comes on/off only when needed.  it goes where that timing belt pully is shown.  So I can only drive it when I have the spindle motor pully off.
20:16:50 <gezr> cool
20:17:46 <A-L-P-H-A> hmm... now... #8, #10, 1/4-20, 1/4-28.  Or Metric... [which I don't have much of]
20:19:15 <gezr> just dont mess your wheel up
20:19:54 <anonimasu> * anonimasu loves he's vertex rotary table
20:20:13 <anonimasu> altough I need a chuck adapter for it
20:33:17 <Imperator_> paul_c: have some problems booting the new BDI 4.08 on my ols P1 system. It reboots all the time after extracting initrd.ing. Any ideas what I can do ???
20:51:08 <A-L-P-H-A> now, that part is 100% finished.
20:51:14 <A-L-P-H-A> agh... nope.
20:51:23 <A-L-P-H-A> set screws for the actual adapter now.
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21:54:48 <anonimasu> * anonimasu yawns
22:01:48 <bloodtobi> bloodtobi has joined #emc
22:02:34 <bloodtobi> hallo
22:02:38 <bloodtobi> whats up?!
22:03:16 <gezr> not too much today
22:03:27 <bloodtobi> why?!
22:03:44 <gezr> I dont know, im cleaning up my shop, 
22:04:10 <bloodtobi> your shop what?s shop have you!?
22:04:39 <gezr> just my little garrage, thats all, others have been busy with other thigns today
22:05:01 <gezr> everyonce in a while something is talked about
22:05:17 <bloodtobi> you know greenday
22:07:21 <gezr> if your talking about the band yeah I do
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