Focusing mirror as one of the core components of laser cutting machine, a direct impact on the processing efficiency and quality. After prolonged use, if there is a film, dents, scratches and other phenomena will make the function of laser equipment greatly reduced. Therefore, if you want to play the normal effect of laser cutting machine, you need to replace the new lenses in time. So, how to correctly grasp the method of installing the focusing mirror is also very important! Step 1 Open the protective lens of the focus lens on the palm of the hand, the lens convex side up Step 2 Pick up the focus tube carefully into the lens where the handle, cover the entire lens Highlights: 1, the lens side of the convex up, can not be installed; 2, the mirror surface does not allow any stains or fingerprints. Step 3 Left and right hand at the same time clockwise rotation after 180 degrees Step 4 After pressing the lens, then use a small steel bar to tighten the pressure mirror nut to the appropriate location Step 5 Install the jet cup on the cartridge Highlights: 1, steel into the card slot in place, light rotation tightening, and steel ruler can not touch any part of the lens; 2, shake, the lens is not loose.