Mitsubishi Electric MELDAS C6 Programming Manual page 147

12. Tool Offset Functions
Conditions viewed as interference
If there is a movement command in three of the five pre-read blocks, and if the compensation
calculation vectors created at the contacts of each movement command intersect, it will be viewed
as an interference.
When interference check cannot be executed
(1) When three of the movement command blocks cannot be pre-read
(When there are three or more blocks in the five pre-read blocks that do not have movement)
(2) When there is an interference following the fourth movement block
Tool center path
N1
N2
N1
N2
N3
N4
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12.3 Tool radius compensation
Program path
r
N3
Vectors intersect
Tool center path
Program path
N6
N5
Interference check is not possible