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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)

Example is in inch. Check offsets and clearances first.

Watch out for

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)

Example is in inch. Check offsets and clearances first.

Watch out for

Related codes

M33

M31 on other controls

The same number can mean something different on another control.

ControlMeaning
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
FadalExchange pallets

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