280 8 Programming: Cycles
8.5 Cycles for Machining Hole Patterns
U Stepping angle Q247 (incremental value): Angle
between two machining operations on a pitch circle.
If you enter an angle step of 0, the TNC will calculate
the angle step from the starting and stopping angles
and the number of pattern repetitions. If you enter a
value other than 0, the TNC will not take the stopping
angle into account. The sign for the angle step
determines the working direction (– = clockwise).
U Number of repetitions Q241: Number of machining
operations on a pitch circle
U Set-up clearance Q200 (incremental value): Distance
between tool tip and workpiece surface. Enter a
positive value.
U Workpiece surface coordinate Q203 (absolute
value): Coordinate of the workpiece surface
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 Traversing to clearance height Q301: Definition of
how the tool is to move between machining
processes:
0: Move between operations to the set-up clearance
1: Move between operations to 2nd set-up clearance.
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