Galvanometer Scan Head Installation and Maintenance Guide

A galvanometer scan head is a core component of high-precision laser systems. It reflects and directs the laser beam quickly and accurately using precision galvanometer mirrors. Galvo heads are widely used in laser engraving, cutting, welding, and 3D printing applications.

As demand grows for faster production and more precise laser processing, the galvanometer scan head has become a standard solution for modern laser systems. Common types of laser scanning heads include Fiber Laser Galvo Head (1064 nm), Green Galvo Scanner Head (532 nm), UV Laser Scan Head (355 nm), and CO₂ Laser Galvo Head (10.6 µm), each designed for specific laser wavelengths, power levels, and beam diameters.

The market trend shows an increasing need for high-performance galvo heads compatible with multiple wavelengths, while cost-effectiveness remains an important consideration. Customers often compare galvo head prices and specifications when selecting the right laser scan head for their systems. For more detailed information about galvo heads and their features, see the galvo head introduction. The following mainly introduces some precautions during installation and maintenance.

Safety & Operating Instructions

To minimize the risk of accidents when using a galvo head laser, please follow these safety guidelines:

• Never look directly at the laser beam or its scattered light during assembly or operation, and keep your body away from the beam.

• Using the galvo head together with other optical components may increase the hazard from stray radiation.

• Always turn off the laser and galvo head power before inspecting the device.

• Seal and cover the laser beam path to prevent unintended radiation.

• Do not touch mirrors or obstruct their movement while the galvo head is running; ensure mirrors are not accidentally displaced.

• Follow standard laser safety operation rules at all times.

• Protect mirrors from dust, humidity, and corrosive gases.

• Wear cotton gloves when handling mirrors.

• Clean mirrors only with specialized optical cleaning paper.

• Keep the galvo head away from strong magnetic fields to avoid damaging electronic components.

• The laser beam can cause severe injury to eyes and skin; always wear appropriate protective eyewear.

  
  

Galvo Head Installation Steps

1. Preparation

• Remove the tape covering the input aperture and take off the dust cap.

• Clean the mirrors before installation, ensuring they are free from oil, dust, or fibers.

• Inspect the mirror surfaces. If dust or debris is present, gently wipe using specialized optical cleaning paper. Note: the cleaning paper should be used only once, and avoid back-and-forth rubbing.

• Install the F theta lens with the adapter ring.

2. Mounting the Galvo Head

• Ensure the machine connectors match the galvo head.

• Align the galvo head with the machine and insert the positioning pins for precise placement.

• Secure the head with screws to ensure stability.

Galvo Head Maintenance and Troubleshooting

Conclusion

Proper installation, maintenance, and adherence to laser safety rules for your galvo head for laser marking / laser cutting / laser engraving ensures stable, high-performance operation of your laser system. Following installation guidelines, cleaning mirrors regularly, and controlling laser power and beam diameter can extend the lifetime of your galvo head, minimize downtime, and optimize production efficiency.