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14 The Tool Compensation
110
Fig. 14.5.8-5
Fig. 14.5.8-6
Fig. 14.5.8-7
Machining an inside corner with a radius smaller than
the tool radius. The control returns error message
3048 INTERFERENCE ALARM or else overcutting
would occure.
Milling a step smaller than the tool radius
along an arc. If parameter ANGLAL is 0,
the control will delete vector LP
2
and will
interconnect vectors LP
1
and LP
3
by a
straight line to avoid a cut-in. If parameter
ANGLAL is 1 it returns error message
3048 INTERFERENCE ALARM and
stops at the end of previous block.
Sometimes the tool would not actually overcut the workpiece, but the interference check indicates
an error.
If a recess smaller than the radius compensation
is being machined, actually no overcut would
occur (see the Figure), yet the control returns
error message 3048 INTERFERENCE
ALARM because the direction of displacement
along the compensated path in interpolation B is
opposite to the programmed one.