M134 Live tool reverse

Haas NGC M-code · Lathe

Starts the live tool spindle in reverse. P sets the live tool RPM.

Format

M134 P

Addresses

Address	What it does
`P`	Live tool speed in RPM

How it works

Modal until M133 or M135.

Example program

T1111 (LEFT HAND END MILL, LIVE)
M134 P2000 (LIVE TOOL REVERSE 2000 RPM)
G01 Z-.1 F5. (FEED IN)

Example is in inch. Check offsets and clearances first.

Watch out for

Check the cutter hand before running in reverse.

Related codes

M133 · M135

M134 on other controls

The same number can mean something different on another control.

Control	Meaning
Okuma OSP	Z-Axis Thrust Monitoring OFF
Heidenhain TNC (ISO)	Exact stop at rotary transitions

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