Automatic Focusing

Focus Modes for Precise Laser Engraving and Cutting

The correct laser focus setting (i.e., the distance between the laser head and the material to be engraved) is key to achieving optimal processing results.

Four methods of identifying a proper focus setting are described below.

Sonar TechnologyTM

Trotec's Sonar TechnologyTM (patent pending) enables the highest level of accuracy when focusing on your workpiece, regardless of where it is placed on the laser bed. With only one press of the Z-positioning keys, an ultrasonic sensor on the laser head detects the material's surface. The focal point is calculated automatically, and the Z-axis moves into the appropriate position.

Light Bar Focus

This focus mode involves the use of sensors ("light barriers") which are laterally installed in your laser's interior. The work table automatically rises when this focus mode is enabled using the laser's keypad system.

The upward movement of the table stops as soon as your workpiece passes the light barriers. The correct focal point is then automatically calculated, and you can begin cutting or engraving.

The light bar focus is ideal for flat and opaque materials of an unknown thickness.

Questions about features and options?
We're happy to help.

Request more
information now.