Detailed Description
2.4 Tool: Tool radius compensation 2D (TRC)
Tool Compensation (W1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-65
2.4.7 Compensation at inner corners
Intersection
If two consecutive blocks form an inside corner, an attempt is made to find a point at which
the two equidistant paths intersect. If an intersection is found, the programmed contour is
shortened to the intersection (first block shortened at end, second block shortened at
beginning).
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Fig. 2-31 Example of a shortened contour
No intersection
In certain cases, no intersection is found between two consecutive blocks for inside corners
(see figure below).
Predictive contour calculation
If no intersection is found between two consecutive blocks, the control automatically checks
the next block and attempts to find an intersection with the equidistant paths of this block
(see figure below: intersection S). This automatic check of the next block (predictive contour
calculation) is always performed until a number of blocks defined via machine data has been
reached.
This maximum number of blocks used for the predictive check can be entered in machine
data:
MD20240 $MC_CUTCOM_MAXNUM_CHECK_BLOCKS
(blocks for predictive contour calculation with TRC).
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