5i25, 7i77- G76 threading cycles
23 Nov 2012 04:26 #26866
by Diederik
5i25, 7i77- G76 threading cycles was created by Diederik
need some suggestions. everything works fine. g95 g1 corresponds with spindle, but as soon as it reaches the point of g76, it hangs. the spindle-at-speed bit is true, but I cant monitor the index enable pin. please send me some sample .hal & .ini, where using 5i25&7i77? and suggestions. I previously did a machine with 5i23&7i33&7i37, and all went well. I can see the index-enable bit goes true when homing my x&z, but I cant see index enable change when getting to g76.
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23 Nov 2012 08:53 #26870
by andypugh
Replied by andypugh on topic 5i25, 7i77- G76 threading cycles
There are some that need to be connected in HAL for G76 to work.
motion.spindle-revs must be connected to the spindle encoder position pin
motion.index-enable must be connected to the encoder index-enable pin
For feed-per-rev (G96) mode you also need to connect motion.spindle-speed-in to the encoder velocity output pin.
There is an example here, but it won't exactly suit your machine:
www.linuxcnc.org/docs/2.4/html/examples_...-Synchronized-Motion
motion.spindle-revs must be connected to the spindle encoder position pin
motion.index-enable must be connected to the encoder index-enable pin
For feed-per-rev (G96) mode you also need to connect motion.spindle-speed-in to the encoder velocity output pin.
There is an example here, but it won't exactly suit your machine:
www.linuxcnc.org/docs/2.4/html/examples_...-Synchronized-Motion
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26 Nov 2012 17:38 #26950
by Diederik
Replied by Diederik on topic 5i25, 7i77- G76 threading cycles
Happy days!!! stupid mistake, My encoder input direction from 5000 to -5000. oh well... at least!
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