2. The two support points of the laser tube should be at the point of 1/4 of the total length of the laser tube to ensure the flow rate of the cooling water is 2L-4L/min, the cooling water return port must be covered by water in the water tank, otherwise the cooling water in the laser tube will not be filled every time laser die cutter is turned on;

3. Pay attention to protect the output window of laser die board cutting machine, avoid the smoke generated during the working process from being sputtered onto the surface of the output window, prevent the outer surface of the output window from being contaminated, and the power will drop. At this time, cotton wool or silk cloth can be used. Gently wipe the outer surface of the output window with absolute alcohol;

4. During the debugging process of laser die cutter, adjust the laser tube support point or rotate the laser tube orientation to achieve the best output effect, and then fix the laser tube;

5. During the use of the laser tube on laser die board cutting machine, no scale can be formed in the cooling tube to avoid blocking of the cooling water and the heat dissipation effect is deteriorated. Once found, the cooling tube can be cleaned with 20% dilute hydrochloric acid to remove scale;

6. The laser tube is made of glass and is fragile. Avoid local stress when installing and using;