Cycle parameters – HEIDENHAIN iTNC 530 (340 49x-06) Cycle programming User Manual
Page 89

HEIDENHAIN iTNC 530
89
3.7 BA
CK BORING (Cy
c
le 204, DIN/ISO: G204)
Cycle parameters
U
Setup clearance
Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999, alternatively PREDEF
U
Depth of counterbore
Q249 (incremental):
Distance between underside of workpiece and
the top of the hole. A positive sign means the hole
will be bored in the positive spindle axis direction.
Input range -99999.9999 to 99999.9999
U
Material thickness
Q250 (incremental): Thickness of
the workpiece. Input range 0.0001 to 99999.9999
U
Off-center distance
Q251 (incremental): Off-center
distance for the boring bar; value from tool data sheet.
Input range 0.0001 to 99999.9999
U
Tool edge height
Q252 (incremental): Distance
between the underside of the boring bar and the main
cutting tooth; value from tool data sheet. Input range
0.0001 to 99999.9999
U
Feed rate for pre-positioning
Q253: Traversing
speed of the tool in mm/min when plunging into the
workpiece, or when retracting from the workpiece.
Input range 0 to 99999,999 alternatively FMAX, FAUTO,
PREDEF
.
U
Feed rate for back boring
Q254: Traversing speed
of the tool during back boring in mm/min. Input range:
0 to 99999.999; alternatively FAUTO, FU.
U
Dwell time
Q255: Dwell time in seconds at the top of
the bore hole. Input range 0 to 3600.000
X
Z
Q250
Q203
Q204
Q249
Q200
Q200
X
Z
Q255
Q254
Q214
Q252
Q253
Q251