Mitsubishi Electric MELDAS C6 Programming Manual page 126

12. Tool Offset Functions
Linear return
Tool center path
Program path
Arc exceeding 360° due to compensation
G42
Tool center
path
G42
Linear ↔ Circular
G41
G42
G41
G42
Program
path
G41
Uncut section
118
12.3 Tool radius compensation
r
r
G41
G41
r
r
r
In the case below, it is possible that the arc
may exceed 360°
a. With offset direction selection based on
G41/G42
b. I, J, K was commanded in G40.
In cases like this the tool center path will pass
through a section where the arc is doubled
due to the compensation and a section will be
left uncut.
r
G42
Program path
r
Tool center path