G92 Setting Workpiece Coordinate System

Format

G92 X_Y_Z_

Description

X_Y_Z_: the directed distance between origin of WCS and the tool initial point, i.e. the workpiece coordinates of the initial point of the current tool.

A program is written based on WCS and begins with the tool initial point; before machining, the WCS should be learnt by the CNC system so as to link up the WCS with the MCS by setting the coordinates of tool initial point in the MCS. Once a WCS is established, the value of the command in absolute programming is the coordinate value in the WCS.

As a non-modal command, G92 is usually put in the first block of a machine program to create a WCS and synchronously offset origins of other WCSs, which can be used to adjust the length of tool holder.

You cannot specify G92 in the following model:

• Tool radius compensation mode
• Scaling mode
• Coordinate system parallel compensation/rotation mode
• Machine coordinate system selection mode

CAUTION:

The execution of the program block only creates a WCS without tool movement.

Programming Example

The sketch of programming with command G92 to create a WCS is as follows:

G92 X30.0 Y30.0 Z20.0