HEIDENHAIN TNC 620 User Manual page 176

5
Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling | RECTANGULAR STUD (Cycle 256, DIN/ISO: G256,
software option 19)
Q437 Starting position (0...4)?: Define the
approach strategy of the tool:
0: Right of the stud (default setting)
1: left corner below
2: right corner below
3: right corner top
4: left corner top.
If approach marks should be appear on the stud
surface during approach with the setting Q437=0,
then choose another approach position.
Q215 Machining operation (0/1/2)?: Define
machining operation:
0: Roughing and finishing
1: Only roughing
2: Only finishing
Side finishing and floor finishing are only machined
when the specific allowance (Q368, Q369) is
defined
Q369 Finishing allowance for floor?
(incremental): Finishing allowance for the floor.
Input range 0 to 99999.9999
Q338 Infeed for finishing? (incremental):
Infeed in the spindle axis per finishing cut.
Q338=0: Finishing in one infeed. Input range 0 to
99999.9999
Q385 Finishing feed rate?: Traversing speed of
the tool in mm/min during side and floor finishing.
Input range 0 to 99999.999, alternatively FAUTO,
fu, FZ
176
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 10/2017