HEIDENHAIN CNC PILOT 640 User Manual page 380

4
Single hole without contour description: Program XS
or ZS as alternative
Hole with contour description: Do not program XS, ZS
Hole pattern: NS refers to the hole contour, and not
the definition of the pattern
A feed rate reduction at end goes into effect only at
the last drilling step
Cycle run:
1 Approach behavior:
Hole without contour definition: Tool is located at the starting
point (safety distance from the bore hole)
Hole with contour definition: Tool moves at rapid traverse to
the starting point
RB not programmed: Moves up to the safety clearance
RB programmed: Moves to the position RB and then to
the safety clearance
2 Spot drilling. Feed rate reduction depending on V
3 Drill hole at feed rate.
4 Through drilling. Feed rate reduction depending on V
5 Retraction at rapid traverse or feed rate, depending on D
6 Retraction position:
RB not programmed: Retraction to the starting point
RB programmed: Retraction to the position RB
380
DIN/ISO programming | Drilling cycles
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017