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Do you know all about focusing of laser cutting machine?

Do you know all about focusing of laser cutting machine?

The laser head is an important part of the fiber laser cutting machine. The laser head is the core of the optical drive. The main structure of the laser head includes QBH, collimation part, focusing part and TRA part. Early laser heads were manually focused. With the changes in production requirements, the demand for autofocus has become more and more intense. Then there is the auto focus laser head.

Misunderstanding about the focus of fiber laser cutting china machine:

Some people think that changing the height of the laser head can change the focal length. When the laser head is raised, the focal length becomes larger, and the laser head is lowered, and the focal length becomes smaller. This view is actually wrong.

The bottom of the laser head is the nozzle. During the cutting process, the distance between the nozzle and the lower plate is about 0.5~1.5mm, and the cutting must be within this range. Therefore, it is impossible to achieve focusing by raising and lowering the laser head.

How does the fiber laser cutting machine achieve focus?

1. Auto focus: After setting the working distance of the laser head, the laser head can automatically adjust the focus.

2 Manual focus: Rotate the manual focus button to achieve manual focus.

Both manual and auto focus have their own advantages