HEIDENHAIN TNC 410 ISO Programming User Manual
Page 283
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HEIDENHAIN TNC 410, TNC 426, TNC 430
257
8.5 Cy
cles f
o
r Mac
h
in
ing
Hole
P
a
tt
er
n
s
U
U
U
U
Starting point 1st axis
Q225 (absolute value):
Coordinate of the starting point in the reference axis
of the working plane.
U
U
U
U
Starting point 2nd axis
Q226 (absolute value):
Coordinate of the starting point in the minor axis of
the working plane.
U
U
U
U
Spacing in 1st axis
Q237 (incremental value):
Spacing between the individual points on a line.
U
U
U
U
Spacing in 2nd axis
Q238 (incremental value):
Spacing between the individual lines.
U
U
U
U
Number of columns
Q242: Number of machining
operations on a line.
U
U
U
U
Number of lines
Q243: Number of passes.
U
U
U
U
Angle of rotation
Q224 (absolute value): Angle by
which the entire pattern is rotated. The center of
rotation lies in the starting point.
U
U
U
U
Set-up clearance
Q200 (incremental value): Distance
between tool tip and workpiece surface.
U
U
U
U
Workpiece surface coordinate
Q203 (absolute
value): Coordinate of the workpiece surface.
U
U
U
U
2nd set-up clearance
Q204 (incremental value):
Coordinate in the tool axis at which no collision
between tool and workpiece (clamping devices) can
occur.
U
U
U
U
Traversing to clearance height
Q301: Definition of
how the tool is to move between machining
processes:
0: Move to the set-up clearance between operations.
1: Move to the 2nd set-up clearance between the
measuring points.
Example: NC block
N54 G221 Q225=+15 Q226=+15 Q237=+10
Q238=+8 Q242=6 Q243=4 Q224=+15
Q200=2 Q203=+30 Q204=50 Q301=1 *