HEIDENHAIN TNC 640 (34059x-01) Cycle programming - Manual (Page 297)

HEIDENHAIN TNC 640 297
13.7 TURN, L
O
NGITUDIN
AL PLUNGE (Cy
c
le 813)
U Roughing feed rate Q478: Feed rate during roughing.
If M136 has been programmed, the value is
interpreted by the TNC in millimeters per revolution,
without M136 in millimeters per minute.
U Oversize in diameter Q483: Diameter oversize for
the defined contour
U Oversize in Z Q484: Oversize for the defined contour
in axial direction
U Finishing feed rate Q505: Feed rate during
finishing. If M136 has been programmed, the value is
interpreted by the TNC in millimeters per revolution,
without M136 in millimeters per minute.
Example: NC blocks
11 CYCL DEF 813 TURN, LONGITUDINAL PLUNGE
Q215=+0 ;MACHINING OPERATION
Q460=+2 ;SET-UP CLEARANCE
Q491=+75 ;DIAMETER AT CONTOUR START
Q492=-10 ;CONTOUR START IN Z
Q493=+50 ;DIAMETER AT END OF CONTOUR
Q494=-55 ;CONTOUR END IN Z
Q495=+70 ;ANGLE OF SIDE
Q463=+3 ;MAX. CUTTING DEPTH
Q478=+0.3 ;ROUGHING FEED RATE
Q483=+0.4 ;OVERSIZE IN DIAMETER
Q484=+0.2 ;OVERSIZE IN Z
Q505=+0.2 ;FEED RATE FOR FINISHING
12 L X+75 Y+0 Z+2 FMAX M303
13 CYCL CALL