CNC Machinist Calculator Ultra

Home › M-codes › Heidenhain TNC (ISO) › M118

M118 Handwheel overlay during program run

Heidenhain TNC (ISO) M-code · Mill

Allows manual handwheel moves overlaid on the program, limited to the programmed values per axis.

Format

M118 X Y Z

Addresses

AddressWhat it does
X Y ZMaximum handwheel overlay per axis in mm

How it works

Modal. Cancel with M118 and no values.

Example program

N40 G01 G41 X+0 Y+38.5 F125 M118 Y1 *
N50 X+100 *
N60 M118 *

Example is in inch. Check offsets and clearances first.

Watch out for

Related codes

M120

M118 on other controls

The same number can mean something different on another control.

ControlMeaning
Doosan (Fanuc)Lower a-axis torque control reset

Every M-code for Heidenhain TNC (ISO) in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.

Open M118 in the app All Heidenhain TNC M-codes

App Store Google Play