Cycle parameters – HEIDENHAIN iTNC 530 (60642x-04) Cycle programming User Manual
Page 87

HEIDENHAIN iTNC 530
87
3.7 BA
CK BORING (Cy
c
le
204, DIN/ISO:
G204)
Cycle parameters
Set-up clearance
Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999; alternatively PREDEF
Depth of counterbore
Q249 (incremental): Distance
between underside of workpiece and the
counterbore floor. A positive sign means the hole will
be bored in the positive spindle axis direction. Input
range -99999.9999 to 99999.9999
Material thickness
Q250 (incremental): Thickness of
the workpiece. Input range 0.0001 to 99999.9999
Off-center distance
Q251 (incremental): Off-center
distance for the boring bar; value from tool data sheet.
Input range 0.0001 to 99999.9999
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
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
Feed rate for countersinking
Q254: Traversing
speed of the tool in mm/min during countersinking.
Input range 0 to 99999.999; alternatively FAUTO, FU
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