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M31 Chip auger forward
Haas NGC M-code · Mill, Lathe
On mills: Chip auger forward
Starts the chip auger or chip conveyor in the forward direction.
Format
M31
How it works
Modal, until M33.
Example program
M31 (CHIP CONVEYOR ON)
M98 P1010 (ROUGHING)
M33 (CHIP CONVEYOR OFF)
M98 P1010 (ROUGHING)
M33 (CHIP CONVEYOR OFF)
Example is in inch. Check offsets and clearances first.
Watch out for
- Settings 114 and 115 can set the conveyor on and off cycle times.
On lathes: Chip auger forward
Starts the optional chip auger in the direction that moves chips out of the machine. It will not run with the door open.
Format
M31
How it works
Modal until M33.
Example program
M31 (CHIP AUGER ON)
G71 P10 Q20 D.08 U.02 W.005 F.015 (HEAVY ROUGHING)
M33 (CHIP AUGER STOP)
G71 P10 Q20 D.08 U.02 W.005 F.015 (HEAVY ROUGHING)
M33 (CHIP AUGER STOP)
Example is in inch. Check offsets and clearances first.
Watch out for
- Run the auger now and then, not all the time. Continuous running overheats the motor. Settings 114 and 115 set the duty cycle.
Related codes
M31 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Doosan (Fanuc) | Left chucking interlock by-pass |
| DMG Mori MAPPS (Fanuc) | Axis interlock bypass ON |
| Mazak (EIA) | Tail spindle & tailstock body advance (for 300 or 400-III or IIIT) |
| Hurco WinMax (NC) | Rotary encoder reset |
| Fadal | Exchange pallets |
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