HEIDENHAIN TNC 620 (34056x-04) Cycle programming - Manual (Page 125)

OUTSIDE THREAD MILLING (Cycle 267, DIN/ISO: G267, software
option 19)
4.10
4
TNC 620 | User's Manual Cycle Programming | 5/2013
125
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
Feed rate for countersinking Q254: Traversing
speed of the tool during countersinking in mm/min.
Input range 0 to 99999.9999 alternatively
FAUTO,
FU
Feed rate for milling Q207: Traversing speed of
the tool in mm/min while milling. Input range 0 to
99999.999 alternatively
FAUTO
NC blocks
25 CYCL DEF 267 OUTSIDE THREAD
MLLNG
Q335=10 ;NOMINAL DIAMETER
Q239=+1.5 ;THREAD PITCH
Q201=-20 ;THREAD DEPTH
Q355=0 ;THREADS PER STEP
Q253=750 ;F PRE-POSITIONING
Q351=+1 ;CLIMB OR UP-CUT
Q200=2 ;SET-UP CLEARANCE
Q358=+0 ;DEPTH AT FRONT
Q359=+0 ;OFFSET AT FRONT
Q203=+30 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP
CLEARANCE
Q254=150 ;F COUNTERBORING
Q207=500 ;FEED RATE FOR
MILLING