HEIDENHAIN TNC 320 User Manual page 119

Cycle programming
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U
Workpiece surface coordinate Q203 (absolute):
Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999
U
2nd set-up clearance Q204 (incremental): Coordinate
in the spindle axis at which no collision between tool
and workpiece (fixtures) can occur. Input range 0 to
99999.9999
U
Feed rate for countersinking Q254: Traversing
speed of the tool during countersinking in mm/min.
Input range 0 to 99999.999; alternatively FAUTO, FU
U
Feed rate for milling Q207: Traversing speed of the
tool during milling in mm/min. Input range 0 to
99999.999; alternatively FAUTO
HEIDENHAIN TNC 320
Example: NC blocks
25 CYCL DEF 265 HEL. THREAD DRLG/MLG
Q335=10
;NOMINAL DIAMETER
Q239=+1.5 ;PITCH
Q201=-16 ;DEPTH OF THREAD
Q253=750 ;F PRE-POSITIONING
Q358=+0
;DEPTH AT FRONT
Q359=+0
;OFFSET AT FRONT
Q360=0
;COUNTERSINK
Q200=2
;SET-UP CLEARANCE
Q203=+30 ;SURFACE COORDINATE
Q204=50
;2ND SET-UP CLEARANCE
Q254=150 ;F COUNTERSINKING
Q207=500 ;FEED RATE FOR MILLING
119

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