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Types Of Galvanometer Scanner

Ultra-galvo Scanner

Ultra-galvo Scanner

The single-axis laser galvo scanner consists of a galvanometer part based on moving magnet technology and a high precision sensor as a feedback part.
Extra-galvo Scanner

Extra-galvo Scanner

High precision miniature bearings bearing axial preloads ensure high rigidity and low friction operation, and special attention is paid to bearing life.
Analog Galvo Driver

Analog Galvo Driver

Single driver board drives two galvanometers at the same time, cost-effective.
Digital Galvo Driver

Digital Galvo Driver

Flexible use, unchanged hardware can match 10-30mm photoelectric galvanometer.

Galvo Scanner Wiki

The galvanometer parts of photoelectric analog galvanometer and grating digital galvanometer are similar, the biggest analog and digital system difference is using different encoders. The photoelectric analog galvanometer uses the photoelectric encoder. When the galvanometer drives the baffle to rotate, the area covered by the baffle will change, and the photocurrent generated will also change. Thus the corresponding relation between the photocurrent and the galvanometer deflection Angle is formed. Grating digital galvanometer uses grating encoder. When the galvanometer drives the grating size to rotate, Sin/Cos signals will be generated on the reading head. The phase of Sin/Cos signals are corresponding to the deflection Angle of the galvanometer. 

What Does a Galvo Scanner Do?

A galvo scanner is a device used to rapidly and precisely move a mirror or other optical elements to control the direction and position of a laser beam. It consists of two small mirrors, often called galvanometer mirrors, which are mounted on torsion hinges. By applying small electrical currents to the galvanometer mirrors, they can be tilted along one or both axes, deflecting the laser beam in different directions.

The galvo scanner works in conjunction with other optical components, such as lenses, to steer the laser beam over a desired area or path. It is commonly used in various applications, including laser marking, laser engraving, laser welding, laser cutting, laser scanning microscopy, and laser light shows.

The speed and accuracy of a galvo scanner make it a crucial component in laser-based systems that require precise control and fast scanning capabilities. By quickly redirecting the laser beam, it allows for the creation of intricate patterns, high-speed marking, and detailed image acquisition. This technology is widely used in industries such as manufacturing, biomedical research, entertainment, and more.

How To Maintain My Laser Galvo Scanner Well

The repair and maintenance of all parts of this scanner head must be performed by Shenzhen Han's Scanner S&T CO., Ltd. Only Shenzhen Han's Scanner S&T CO., Ltd. has the correct test standards and correction system. The mirrors need to be regularly cleaned because the dirty mirrors would absorb the laser energy and interfere with the mirrors. Check the mirrors regularly, if they are dirty clean the laser galvo mirror as follows. Wearing a cotton glove, hold the edge of the mirrors, keep the optical emission surface face up and use clean compressed air to blow the mirrors to remove dust, dirt, etc. For storage, use, and service, please make sure: Storage temperature: -35°C to +60°C , Use temperature: 25°C ±10°C, Avoid damp or corrosion.

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