Maintenance and maintenance of laser engraving and cutting machine lenses:
There are 3 mirrors and 1 focusing mirror on the engraving machine (the No. 1 mirror is located at the emission exit of the laser tube, which is the upper left corner of the machine, the No. 2 mirror is located at the left end of the beam, and the No. 3 mirror is located at the fixed part of the laser head. the top of the laser head, the focusing lens is located in the adjustable lens barrel at the lower part of the laser head), the laser is reflected and focused through these lenses and emitted from the laser head