Siemens SINUMERIK 840Di sl Programming Manual page 376

Tool offsets
8.11 Smooth approach and retraction
During retraction, the rolls of the modally active feedrate from the previous block and the
programmed feedrate value in the SAR block are changed round, i.e., the actual retraction
contour is traversed with the old feedrate value and a new speed programmed with the F
word applies from P
376
up to P .
2 0
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals