Siemens SINUMERIK 840DE Programming Manual page 348

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
8-52
up to P .
2 0
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Fundamentals