Motion commands
4.17 Tapping without compensating chuck (G331, G332)
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
177
N05 M40 S500
;Gear stage 1 is engaged, as S500 (for example) is within
the range
; 20 to 1,028 rpm.
....
N55 SPOS=0
;Position tool
N60 G331 Z-10 K5 S800
;Produce thread, spindle speed is 800 rpm ;gear stage 1
Note
If gear stage 2 is selected at a spindle speed of 800 rpm, then the switching thresholds for
the maximum and minimum speed must be configured in the relevant machine data, see
examples below.
Using the second gear-stage data record for specifying two switching thresholds
The switching thresholds of the second gear-stage data record for the maximum and
minimum speed are evaluated modally for G331/G332 and when programming an S-value
for the active master spindle. Automatic M40-gear-stage change must be active.
The gear stage as determined in the manner described above is compared with the active
gear stage. If they are found to be different, a gear-stage change is performed.
N05 M40 S500
;Gear stage 1 is selected
....
N50 G331 S800
;Master spindle with 2nd gear-stage data record: ;Gear
stage 2 is selected
N55 SPOS=0
;Align spindle
N60 G331 Z-10 K5
;Modal tapping with G331, no ;reprogramming necessary
;spindle accelerated on basis of second data record
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