
PROGRAMMING
B–63444EN/01
13. COMPENSATION FUNCTION
141
When machining of the step is commanded by circular machining in the
case of a program containing a step smaller than the tool nose radius, the
path of the center of tool with the ordinary offset becomes reverse to the
programmed direction. In this case, the first vector is ignored, and the tool
moves linearly to the second vector position. The single block operation
is stopped at this point. If the machining is not in the single block mode,
the cycle operation is continued. If the step is of linear, no alarm will be
generated and cut correctly. However uncut part will remain.
S
The first vector is ignored
Tool nose radius center path
Programmed path
Workpiece
Center of the circular
machining
An overcutting will result if the first vector is not ignored.
However, tool moves linearly.
Linear movement Stop position after execution of a single
block
D Machining a step smaller
than the tool nose radius