M Codes Flashcards
0
Q
M1
A
Optional stop
1
Q
M0
A
Program stop
2
Q
M2
A
End of program
3
Q
M3
A
Spindle clockwise
4
Q
M4
A
Spindle CCW
5
Q
M5
A
Spindle off
6
Q
M6
A
Tool change
7
Q
M7
A
Coolant 1 on
8
Q
M8
A
Coolant 2 on
9
Q
M9
A
Coolant off
10
Q
M30
A
End of program
11
Q
M41
A
Low range rpm
12
Q
M42
A
High range rpm
13
Q
M25
A
Tailstock out
14
Q
M26
A
Tail stock in
15
Q
M19
A
Spindle orient
16
Q
M78
A
T/S clamp lock
17
Q
M79
A
T/S clamp unlock
18
Q
M99
A
Program loop
19
Q
M40
A
Gear neutral
20
Q
M45
A
C axis valid connection
21
Q
M46
A
C axis cancel connection
22
Q
M100~M199
A
Operation synchronized
23
Q
M200/M31
A
Chip conveyor forward
24
Q
M201/M33
A
Chip conveyor stop
