HEIDENHAIN iTNC 530 (60642x-04) Cycle programming User Manual
Page 121

HEIDENHAIN iTNC 530
121
4.7 THREAD MILLING/COUNTER
SINK
ING (Cy
c
le 263, DIN/ISO:
G263)
Coordinate of workpiece surface
Q203 (absolute):
Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999
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; alternatively PREDEF
Feed rate for countersinking
Q254: Traversing
speed of the tool in mm/min during countersinking.
Input range 0 to 99999.999; alternatively FAUTO, FU
Feed rate for milling
Q207: Traversing speed of the
tool in mm/min during milling. Input range 0 to
99999.9999; alternatively FAUTO
Feed rate for approach
Q512: Traversing speed of
the tool in mm/min during entry into the thread. Input
range 0 to 99999.999; alternatively FAUTO
Beispiel: NC blocks
25 CYCL DEF 263 THREAD MLLNG/CNTSNKG
Q335=10
;NOMINAL DIAMETER
Q239=+1.5 ;PITCH
Q201=-16
;DEPTH OF THREAD
Q356=-20
;COUNTERSINKING DEPTH
Q253=750
;F PRE-POSITIONING
Q351=+1
;CLIMB OR UP-CUT
Q200=2
;SET-UP CLEARANCE
Q357=0.2
;CLEARANCE TO SIDE
Q358=+0
;DEPTH AT FRONT
Q359=+0
;OFFSET AT FRONT
Q203=+30
;SURFACE COORDINATE
Q204=50
;2ND SET-UP CLEARANCE
Q254=150
;F COUNTERSINKING
Q207=500
;FEED RATE FOR MILLING
Q512=50
;FEED RATE FOR APPROACH