HEIDENHAIN TNC 640 User Manual page 209

Fixed Cycles: Pattern Definitions | POLAR PATTERN (Cycle 220, DIN/ISO: G220)
Q203 Workpiece surface coordinate? (absolute):
Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999
Q204 2nd set-up clearance? (incremental):
Coordinate in the spindle axis at which no collision
between tool and workpiece (fixtures) can occur.
Input range 0 to 99999.9999
Q301 Move to clearance height (0/1)?: Definition
of how the tool moves between machining
operations:
0: Move at safety clearance between machining
operations
1: Move at 2nd safety clearance between
machining operations
Q365 Type of traverse? Line=0/arc=1: Definition
of the path function with which the tool moves
between machining operations:
0: Move in a straight line between machining
operations
1: Move in a circular arc on the pitch circle
diameter between machining operations
HEIDENHAIN | User's manual for cycle programming | 10/2017
Q204=50 ;2ND SET-UP CLEARANCE
Q301=1 ;MOVE TO CLEARANCE
Q365=0 ;TYPE OF TRAVERSE
6
209