HEIDENHAIN SW 688945-03 - Manual (Page 297)

HEIDENHAIN CNC PILOT 620/640 297
4.7 Dr
illing cy
cles
Type of machining for technology database access: Milling
Cycle run
1 Position spindle to spindle angle C (in Manual mode, machining
starts from the current spindle angle)
2 Position the tool to thread end point Z2 (milling floor) inside the
hole
3 Approach on approach radius R
4 Mill the thread in a rotation of 360°, while advancing by the thread
pitch F1
5 Retract the tool and return it to the starting point
6 Move to the tool change point according to the G14 setting
G14 Tool change point (see page 124)
T Turret pocket number
ID Tool ID number
S Spindle speed/cutting speed
MT M after T: M function that is executed after the tool call T
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