The Scribe Tool is generally used with Plasma, but it can also be used with other setups.

Tool 115

To change to the Scribe Tool, issue a T115 M06 command in MDI. This command should also be included in your G-code file to ensure the correct screen is selected when the program runs.

This tool is commonly used as part of a Plasma torch setup for marking material.

The X, Y, and Z offsets relative to another head can be entered in the Multi-Head Settings page.

An output is assigned to move the Scribe Tool up and down as required.

Another output is provided to turn the Scribe on and off.

Assigned Scribe Outputs

Multi-Head Settings

F2 Screen

Configuration

Enable Scribe in the Multi-Head screen.

Assign an output for Scribe Up/Down.

Assign an output for Scribe On/Off.

Enter the X, Y, and Z offsets from the reference tool in the Scribe Multi-Head Settings page. In most setups, this reference tool will be the Main Spindle or Plasma torch.

Scribe Logic

T115 M06

The Scribe Up/Down output will go High, pushing the scribe into position.

M3 is used to turn on the Scribe.

M5 is used to turn off the Scribe.

If a different tool is selected, the Scribe Up/Down output will go Low, retracting the scribe to the idle position.

Buttons are available on the F2 screen when the Scribe tool is selected. These allow the user to move the scribe up or down and turn the scribe on or off as required.

Wiring a Pneumatic Scribe

In this example, the scribe is pushed down into position using a pneumatic cylinder controlled by an air solenoid.

The scribe itself is air-driven, so a second air solenoid is used to supply air and make the scribe vibrate.

If the scribe is electric, or if the scribe is moved into position using a linear actuator, the solenoids would not be required. Instead, the actuator and scribe would be driven directly from the relay.

Example Wiring Diagram