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5 recessing cy cles – HEIDENHAIN SW 68894x-02 User Manual

Page 249

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HEIDENHAIN CNC PILOT 640

249

4.5

Recessing

cy

cles

Type of machining for technology database access: Finishing
Cycle run

1

Approach the workpiece from the starting point to the safety

clearance

2

Machine undercut according to cycle parameters.

3

Return to starting point on diagonal path

4

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