HEIDENHAIN TNC 640 (34059x-01) Cycle programming User Manual
Page 346
346
Cycles: Turning
13.20 AXIAL RECESSING EXTENDED (Cy
c
le 872)
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 871 AXIAL RECESSING EXTENDED
Q215=+0
;MACHINING OPERATION
Q460=+2
;SET-UP CLEARANCE
Q491=+75
;DIAMETER AT CONTOUR START
Q492=-20
;CONTOUR START IN Z
Q493=+50
;DIAMETER AT END OF CONTOUR
Q494=-50
;CONTOUR END IN Z
Q495=+5
;ANGLE OF SIDE
Q501=+1
;TYPE OF STARTING ELEMENT
Q502=+0.5 ;SIZE OF STARTING ELEMENT
Q500=+1.5 ;RADIUS OF CONTOUR EDGE
Q496=+5
;ANGLE OF SECOND SIDE
Q503=+1
;TYPE OF END ELEMENT
Q504=+0.5 ;SIZE OF END ELEMENT
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