25 example pr ogr am – HEIDENHAIN TNC 640 (34059x-01) Cycle programming User Manual
Page 365

HEIDENHAIN TNC 640
365
13.25 Example pr
ogr
am
20 CYCL DEF 862 RADIAL RECESSING EXTENDED
Cycle definition recess
Q215=+0
;MACHINING OPERATION
Q460=+2
;SET-UP CLEARANCE
Q491=+150 ;DIAMETER AT CONTOUR START
Q492=-12
;CONTOUR START IN Z
Q493=+142 ;DIAMETER AT END OF CONTOUR
Q494=-18
;CONTOUR END IN Z
Q495=+0
;ANGLE OF SIDE
Q501=+1
;TYPE OF STARTING ELEMENT
Q502=+1
;SIZE OF STARTING ELEMENT
Q500=+0
;RADIUS OF CONTOUR EDGE
Q496=+0
;ANGLE OF SECOND SIDE
Q503=+1
;TYPE OF END ELEMENT
Q504=+1
;SIZE OF END ELEMENT
Q478=+0.3 ;ROUGHING FEED RATE
Q483=+0.4 ;OVERSIZE IN DIAMETER
Q484=+0.2 ;OVERSIZE IN Z
Q505=+0.15 ;FEED RATE FOR FINISHING
21 CYCL CALL M8
Cycle call
22 M305
Turning spindle off
23 M137
Feed rate in mm per minute
24 M140 MB MAX
Retract the tool
25 FUNCTION MODE MILL
Activate Milling mode
26 M30
End of program
27 END PGM SHOULDER MM