HEIDENHAIN TNC 370 User Manual page 226

8 Cycles
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8.4 Cycles for Machining Hole Patterns
Input data
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STARTING POINT 1ST AXIS Q225 (absolute value):
Coordinate of the starting point in the main axis of the working plane.
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STARTING POINT 2ND AXIS 0226 (absolute value):
Coordinate of the starting point in the secondary axis of the working
plane.
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SPACING IN 1ST AXIS 0237 (incremental value):
Distance between the individual points on the pass.
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SPACING IN 2ND AXIS Q238 (incremental value):
Distance between the individual passes,
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NUMBER OF COLUMNS Q242:
Number of machining operations on the pass.
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NUMBER OF LINES Q243:
Number of passes.
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ANGLE OF ROTATION Q224 (absolute value):
Angle about which the entire coordinate system is rotated. The center
of rotation lies in the starting point.
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SET-UP CLEARANCE Q200 (incremental value):
Distance between tool tip and workpiece surface. Enter a positive
value.
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WORKPIECE SURFACE COORDINATE 0203 (absolute value):
Coordinate of the workpiece surface.
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2ND SET-UP CLEARANCE Q204 (incremental value):
Z coordinate at which no collision between tool and workpiece (clamp-
ing devices) can occur. Enter a positive value.
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Fig. 8.38: Input parameters, LINEAR
PATTERN cycle
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TNC 370
8-37