HEIDENHAIN TNC 640 User Manual page 481

Cycles: Turning | GEAR HOBBING (Cycle 880, DIN/ISO: G880)
Q551 Starting point in Z?: Starting point in Z
for gear hobbing. Input range -99999.9999 to
99999.9999
Q552 End point in Z?: End point in Z for gear
hobbing. Input range -99999.9999 to 99999.9999
Q463 Maximum cutting depth?: Maximum infeed
(radius value) in radial direction. The infeed is
divided evenly to avoid abrasive cuts. Input range
0.001 to 999.999
Q460 Set-up clearance? (incremental): Distance
for retraction and pre-positioning.Input range 0 to
999.999
Q488 Feed rate for plunging: Feed rate for tool
infeed. Input range 0 to 99999.999
Q478 Roughing feed rate?: Feed rate for
roughing. If M136 has been programmed, the
value is interpreted by the TNC in millimeters
per revolution, without M136 in millimeters per
minute.
Q483 Oversize for diameter? (incremental):
Diameter oversize for the defined contour .
Q505 Finishing feed rate?: Feed rate for
finishing. If M136 has been programmed, the
value is interpreted by the TNC in millimeters
per revolution, without M136 in millimeters per
minute.
HEIDENHAIN | User's manual for cycle programming | 10/2017
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