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[16:03:24] <jepler> cradek: for 2.5 or just for master?
http://emergent.unpythonic.net/files/sandbox/0001-xemc-Some-systems-need-to-explicitly-link-with-libXt.patch
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[16:57:00] <cradek> jepler: I don't understand the temp_LIBS=$LIBS part; you save but don't restore LIBS
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[17:11:32] <jepler> oops, I must have missed something in my cut&paste job :-/
[17:13:15] <jepler> no, something's wrong from before my cut&paste job
[17:13:46] <jepler> those lines were there before in the Xaw case; I faithfully duplicated them into the Xt test
[17:40:53] <CIA-10> EMC: 03jepler 07v2.5_branch * r7aad7d5e4361 10/docs/src/hal/comp.txt: docs: content and markup improvements
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[19:17:59] <mhaberler> jepler: what do you think - add sim_spindle to all sim/axis configs, or leave as an extra config?
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[19:18:44] <jepler> mhaberler: I'd say add it to any sim configuration you can test..
[19:19:05] <mhaberler> fair enough; lathe.ini would be a candidate too
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[19:20:40] <jepler> cradek: assuming that this no-base-period sim_spindle works right, is there any reason to preserve a sim configuration with a "real" simulated encoder?
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[19:55:09] <mhaberler> just tried lathe.ini with sim_encoder and no base thread - works fine
[19:57:01] <mhaberler> lathe.hal can go, axis_mm axis gantry random_tc profile_axis lathe all work fine with sim_spindle_encoder.hal except axis_9axis (dunno why - blocks)
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[20:13:21] <CIA-10> EMC: 03mhaberler 07master * r01448f442e1b 10/ (2 files in 2 dirs): sim_encoder: simulated spindle component
[20:13:32] <CIA-10> EMC: 03mhaberler 07master * rcd36e2c5984a 10/configs/sim/axis/ (6 files): sim_spindle: adapt simulator configs for new component
[20:18:57] <mhaberler> logger[psha]_
[20:24:20] <JT-Hardinge> mhaberler & jepler thanks
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[20:47:09] <mhaberler> rob_H,JT-Hardinge: it seems to me g84 can do left hand tapping with spindle ccw just fine. Should I move it to g84.1?
[20:48:12] <JT-Hardinge> I would be less likley to make a mistake if it is g84.1 for ccw
[20:48:38] <rob__H> erm, not sure.. i guess it does not matetr yea. as ud program spindle direction to start with
[20:49:05] <rob__H> only nice thing about two cycles is if like john says if u got spindle wrong it would error out and not brake ur tap etc
[20:49:20] <JT-Hardinge> yea
[20:49:52] <cradek> you should not make that change without researching how it typically works on other controls
[20:50:13] <rob__H> would leave G74 free for lathe cycle only benafit i see
[20:50:56] <rob__H> i sent mhaberler a copy of fanuc cycle docs from a fanuc 15 cradek to show the G84 and G74
[20:51:12] <rob__H> with G84.1 and G74.1 for rigid cycle
[20:51:16] <mhaberler> we had a discussion about that recently, pls read back, also see www.innovative-rc.co.uk/fanuc-tapping.pdf
[20:51:34] <cradek> ok
[20:52:07] <JT-Hardinge> hmm, none of my other controls will do a left hand thread
[20:53:01] <mhaberler> I'm unsure how to do a floating tap in the interpreter (assuming there's no spindle encoder)
[20:53:26] <rob__H> spindle must be running
[20:53:48] <mhaberler> g84.1 would reverse spindle for the tap when running ccw ; should it restore to ccw after finishing?
[20:53:59] <rob__H> feed rate is givin for pitch for the givin spindle speed
[20:53:59] <mhaberler> vice-versa for g74.1
[20:54:19] <mhaberler> I'm talking direction only
[20:55:51] <mhaberler> I would assume a cycle shouldnt affect settings like spindle direction
[20:55:57] <rob__H> same as G33.1 works now in function
[20:56:28] <rob__H> when u reace the z deph u need to reverse spindle driection and feed out
[20:56:52] <rob__H> if tapping in Z say
[20:57:27] <cradek> does fanuc have a cycle for the tapping heads where you don't want to reverse the spindle?
[20:57:38] <cradek> (and need different in vs out feeds?)
[20:57:42] <rob__H> tapping head with a clutch u mean
[20:57:52] <cradek> yeah reversing clutch type
[20:58:22] <rob__H> should be in fanuc book i gave u
[20:58:23] <cradek> it'd be nice if we could do all of clutch/t-c/rigid with cycles
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[20:58:28] <rob__H> long time since i done that
[20:58:31] <rob__H> but yes it does
[20:58:43] <rob__H> jsut pain to fit the block to spindle head to use them..
[20:58:58] <cradek> a bit easier than encoder!
[20:59:13] <JT-Hardinge> sorry, I had to step away and apply some stop leak to my finger
[20:59:57] <rob__H> yes i agree
[21:01:02] <mhaberler> ok, as far as I can tell the only thing g74.1 would be different from g84.1 is that it would reverse spindle to ccw if running cw; g84.1 wouldnt
[21:01:12] <JT-Hardinge> would the tapping head be the same as the floating tap holder without the reverse during withdrawal
[21:01:38] <rob__H> yea its same unit pritty much just clutch inside, kinda thing ud fit to a drilling machine to tap on that
[21:02:12] <JT-Hardinge> we have one but never use it anymore
[21:03:42] <rob__H> like this
[21:03:43] <rob__H> http://www.youtube.com/watch?v=ou9o-aUqAUI
[21:05:01] <mhaberler> for the price of that tool you probably shoot a few fine encoders off ebay
[21:05:28] <rob__H> yea tapmatic is not cheap but good..
[21:05:39] <JT-Hardinge> that's what we have a tapmatic
[21:05:55] <rob__H> the collets are pricy bit too
[21:06:13] <JT-Hardinge> well guys I'm off to the VMC which has no Internet or network connection
[21:08:25] <andypugh> I have never used a floating holder, but do they only thread as far as you move the holder? Otherwise I am not sure how you know that you have finished..
[21:09:11] <cradek> andypugh: depth is approximate at best
[21:10:32] <cradek> I'd use the rigid cycles even with t-c to make it all repeatable
[21:10:57] <cradek> (but I assume the goal here is to allow approximate tapping with no encoder)
[21:10:58] <andypugh> And negative (protruding, broken tap) at worst?
[21:11:36] <cradek> yeah it's really horrible. also the amount of give is small, so you have to get feeds/dwells/reversal times right
[21:11:46] <cradek> you just futz with it until it seems to be working, and then don't touch anything
[21:12:42] <cradek> encoder scheme is superior in every way except for how it requires an encoder :-)
[21:12:54] <andypugh> It's so easy to make a spindle encoder, there really is no excuse.
[21:13:40] <cradek> personally I wish we had rigid tapping behind a G8x type cycle, for the step/repeat ability
[21:13:53] <cradek> (I don't care about any other kind of tapping)
[21:14:25] <andypugh> That's G84 isn't it? I thought it was there?
[21:14:35] <cradek> no, it's not the rigid cycle
[21:14:47] <andypugh> Ah.
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[21:20:23] <JT-Shop> you should see all the calculations and charts to do floating tapping with my DX-32/Boss control...
[21:21:10] <cradek> reversing head on a drill press works well
[21:21:33] <cradek> it's when you try to use cnc it all goes wrong
[21:23:54] <JT-Shop> yea, we used to use our reversing head on the manual Enco mill
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[22:23:42] <mhaberler> for review:
http://git.mah.priv.at/gitweb/emc2-dev.git/shortlog/refs/heads/g84-dev : interp/cycles: add g74.1, g84.1 left/right hand rigid tapping cycles
[22:23:42] <mhaberler> set proper spindle direction
[22:23:43] <mhaberler> start spindle sync move at current Z
[22:23:43] <mhaberler> tap down to bottom_z, up to z
[22:23:43] <mhaberler> rapid to clear_z
[22:23:43] <mhaberler> restore spindle direction if needed
[22:25:57] <JT-Shop> that is how my DX-32/Boss control works
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