Siemens SINUMERIK 840D sl Function Manual page 737

Example of SPP
N1 G01 X0 Y0 SPOF
N2 X75 SPP=25 SON
:
:
N3 Y10
:
:
:
N4 X0
:
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
N4: Punching and nibbling - only 840D sl
; Position without punch initiation
; Nibble with feed value 25 mm; initiate punch before
; the first movement and after each path segment.
; Position with reduced SPP value, because travel
; distance < SPP value, and initiate punch after
movement.
; Reposition with punch initiation after each path
segment.
10.4 Automatic path segmentation
737