HEIDENHAIN SW 54843x-02 - Manual (Page 298)

298 Cycle programming
4.7 Dr
illing cy
cles
Type of machining for technology database access: tapping
Cycle run
1 Position spindle to spindle angle C (in Manual mode, machining
starts from the current spindle angle)
2 If defined, move at rapid traverse to hole starting point X1
3 Tap thread to hole end point X2
4 Retract at return speed SR
 If X1 is programmed, to hole starting point X1
 If X1 is not programmed, to starting point X
5 Move to the tool change point according to the G14 setting
MFS M at beginning: M function that is executed at the
beginning of the machining step
MFE M at end: M function that is executed at the end of the
machining step
WP Displays which workpiece spindle is used to process the
cycle (machine-dependent)
 Main drive
 Opposing spindle for rear-face machining