252 ISO Programming
4.17 Contour-Based Turning Cycles
The MANUALplus uses the tool definition to distinguish between
external and internal machining.
Parameters
D Omit elements (see figure)
J Workpiece blank oversize (radius value)—active only if no
blank has been defined.
H Contour-parallel—Type of cutting paths:
0: Constant machining depth
1: Equidistant cut lines
The tool radius compensation: is active.
A G57 oversize enlarges the contour (also inside
contours).
A G58 oversize
>0: Enlarges the contour
<0: Is not offset
G57/G58 oversizes are deleted after cycle end.
Cycle run
1 Calculates the areas to be machined and the cutting
segmentation.
2 Approaches workpiece for first pass from starting point, taking
the safety clearance into account.
3 Executes the first cut (roughing).
4 Returns at rapid traverse and approaches for next pass.
5 Repeats 3 to 4 until the complete area has been machined.
6 If required, repeats 2 to 5 until all areas have been machined.
7 Retracts as programmed in Q.
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