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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

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r Mac

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ing

Hole

P

a

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er

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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 *