5 Programming Tool Movements
5.4 Path Contours - Cartesian Coordinates
L
.-
Circular path C around the circle center CC
Prerequisites
The circle center CC must have been previously defined in the program.
The tool is located at the arc starting point @
input
l
Arc end point
l
Direction of rotation (DR)
Fig. 5.24: A circular arc from @ to @
around CC
The
starting and
end points
of the arc must tie on the ciroie.
Input tolerance: up to 0.016 mm.
l
To program a full circle, enter the same point for
the end point as for the start point in a C block.
Fig. 5.25: Full circle around CC with a
C block
Fig. 5.26: Coordinates of a circular arc
TNC 370
5-l 7
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