changing milling head orientation while toolchange
- skunkworks
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14 Dec 2010 14:38 #6036
by skunkworks
Replied by skunkworks on topic Re:changing milling head orientation while toolchange
hmm - good question. I don't know. (I cannot test it at the moment)
sam
sam
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14 Dec 2010 14:40 #6037
by skunkworks
Replied by skunkworks on topic Re:changing milling head orientation while toolchange
according to the docs... you are right. (that puts a crimp in my pallet changing in gcode.)
linuxcnc.org/docs/2.4/html/gui_halui.html#sub:MDI
sam
linuxcnc.org/docs/2.4/html/gui_halui.html#sub:MDI
sam
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14 Dec 2010 15:06 #6039
by nursum
Replied by nursum on topic Re:changing milling head orientation while toolchange
Hi Andy, that thing with the halui.joint.2.home pin is a good idea! After a tool request a component check if the halui.joint.2.home pin is set, then it stops the movement, then turn the head, then gives movement free to go to the tool change position... what halui pin is responsible for the machine movement in that case? Should i take the halui.feed-override.value pin set to zero or the halui.optinal.stop.on pin
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14 Dec 2010 15:10 #6040
by nursum
Replied by nursum on topic Re:changing milling head orientation while toolchange
Hi Sam, Andy ask the same I would ask... but is it possible to swich inside a program to the manual mode and then swich back to the auto mode and go on with the programm? Then it could work with MDI_COMMANDS which is the easiest way actually
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14 Dec 2010 15:44 #6041
by andypugh
Replied by andypugh on topic Re:changing milling head orientation while toolchange
I will try to get some details on this tonight (via IRC). There is a way to send instructions to the motion controller via shell scripts (which can be linked to in a number of ways).
Also, I think that a HAL component can set/unset the halui.mode-auto (etc) pins to change the operating mode.
Almost anything you can imagine wanting to do with EMC2 has been made possible to do by somebody, but quite often not in an easy or well documented way.
Also, I think that a HAL component can set/unset the halui.mode-auto (etc) pins to change the operating mode.
Almost anything you can imagine wanting to do with EMC2 has been made possible to do by somebody, but quite often not in an easy or well documented way.
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15 Dec 2010 21:51 #6065
by nursum
Replied by nursum on topic Re:changing milling head orientation while toolchange
the possibility to send shell scrips to the motion controller sounds very interesting, but for that the Gcode interpreter has to stop...
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15 Dec 2010 23:49 #6069
by andypugh
Replied by andypugh on topic Re:changing milling head orientation while toolchange
I have been thinking about this a bit, and I suspect that your simplest solution might be to call a G-code routine to change tools, rather than use M6.
ie, instead of M6 P5 G43 you would use O<toolchange> CALL [5]
The G-code can check the state of the head (M66) , move to a safe orient position (G53), operate the hydraulics (M62), then move to the final toolchange position before issuing the M6 and G43 commands.
I did type a longer reply, incorporating the suggested G-code, but the forum ate it, and logged me out.
ie, instead of M6 P5 G43 you would use O<toolchange> CALL [5]
The G-code can check the state of the head (M66) , move to a safe orient position (G53), operate the hydraulics (M62), then move to the final toolchange position before issuing the M6 and G43 commands.
I did type a longer reply, incorporating the suggested G-code, but the forum ate it, and logged me out.
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