Circle Cutting; G12, G13 - Mitsubishi Electric MELDAS C6 Programming Manual

13. Program Support Functions

13.8 Circle cutting; G12, G13

Function and purpose
Circle cutting starts the tool from the center of the circle, and cuts the inner circumference of the
circle. The tool continues cutting while drawing a circle and returns to the center position.
Command format
G12 (G13) Ii
G12
G13
I
D
F
Detailed description
(1) The symbol + for the offset amount indicates reduction, and − indicates enlargement.
(2) The circle cutting is executed on the plane G17, G18 or G19 currently selected.
Circle radius
4
d1 offset amount +
d1 offset amount −
Dd Ff ;
1 1 1
: Clockwise (CW)
: Counterclockwise (CCW)
: Radius of circle (incremental value), the symbol is ignored
: Offset No. (The offset No. and offset data are not displayed on the setting
and display unit.)
: Feedrate
5
1
i
1
0
7
3
2
6
For G12 (tool center path)
0 1 2 3 4 5 6 7 0
For G13 (tool center path)
0 7 6 5 4 3 2 1 0
241
13.8 Circle cutting
Offset amount symbol +
Offset amount symbol −
Y
X