HEIDENHAIN SW 548328-05 - Manual (Page 329)

HEIDENHAIN MANUALplus 620 329
4.8 Milling cy
cles
Parameters:
Cycle run
1 Activate the C axis and position to spindle angle C at rapid
traverse, starting point X and Z
2 Position to starting point if defined
3 Approach at plunging feed rate FZ
4 Engrave with programmed feed rate
5 Position tool to retraction plane RB or if no RB is defined, to
starting point Z
5 Position tool to the next character
6 Repeat steps 3 to 5 until all characters are engraved
7 Position to starting point X, Z and deactivate C axis
8 Move to the tool change point according to the G14 setting
RB Retraction plane. Z position retracted to for positioning.
SCK Safety clearance (see page 124)
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
The engraving cycles are not available in manual operation.