How to adjust the red light of 355 nm Ultraviolet Laser marking machine

Many manufacturers engaged in laser marking processing will ask when purchasing equipment: Does this machine have a red light adjustment function? What exactly does this "red light adjustment" do? To this end, the editor specifically asked some equipment manufacturers for advice, sorted out several important roles, and shared them with everyone.

1. Adjust the optical path of the resonant cavity

The working principle of the resonant cavity is based on the interference of multiple beams in the cavity, and a basic condition for interference is the coincidence of the beam space. This requires us to very accurately control the direction of the beam to couple into the cavity, that is, light-cavity coupling. For example, semiconductor laser marking machine.

2. Positioning

Only by setting the marking position, can the processing and production be carried out efficiently. As the indicator light for marking and positioning of laser marking machine, it can be divided into marking focus indication, 9-point indication of marking pattern, indication of length and width range of marking pattern, and overall marking pattern according to different marking software. Various indication methods such as analog indication.

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How to adjust the red light of laser marking machine

3. Focus

The red light can also be used as the focus point of the laser marking machine, that is, the indication of the marking distance (this is sometimes the red light does not display, and sometimes the red light appears, but only the red light is flickering. It is dark, but the phenomenon of not showing light). The overlapping distance between the two red light points is exactly the distance of the marking airport mirror. In this way, there is no need to use a steel ruler to measure the marking distance every time the product is changed. The operation steps are reduced and the distance is improved. Marking speed.