HEIDENHAIN TNC 620 User Manual page 174

5
Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling
5.9 FACE MILLING (Cycle 233)
2nd set-up clearance Q204 (incremental):
Coordinate in the spindle axis at which no collision
between tool and workpiece (fixtures) can occur.
Input range 0 to 99999.9999; alternatively PREDEF
1st limit Q347:Select the workpiece side on
which the level surface is limited by a side wall
(not possible for helical machining). Depending on
the position of the side wall, the TNC limits the
machining of the level surface to the respective
coordinate of the starting point or to the side length:
(not possible for helical machining):
Input 0: No limit
Input -1: Limit in the negative reference axis
Input +1: Limit in the positive reference axis
Input -2: Limit in the negative minor axis
Input +2: Limit in the positive minor axis
2nd limit Q348: See parameter 1st limit Q347
3rd limit Q349: See parameter 1st limit Q347
Corner radius Q220: Radius for corner at limits
(Q347 to Q349). Input range 0 to 99999.9999
Finishing allowance for side Q368 (incremental):
Finishing allowance in the working plane. Input
range 0 to 99999.9999
Infeed for finishing Q338 (incremental): Infeed per
cut. Q338=0: Finishing in one infeed. Input range 0
to 99999.9999
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HEIDENHAIN | TNC 620 | User's manual for cycle programming | 9/2015