7 dr illing cy cles – HEIDENHAIN SW 548328-05 User Manual
Page 297

HEIDENHAIN MANUALplus 620
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