The problems that need attention when replacing the laser of the carbon dioxide inkjet printer
Issues that need attention when replacing the laser of the CO2 cij printer
Hello everyone, I am the editor. Today, I will introduce to you the problems that need attention when replacing the laser of the CO2 cij printer. The following content is organized by the editor, and the relevant content is for reference.
1. Please switch on the cooling water before use. Use the principle of low inlet and high outlet to adjust the position of the outlet pipe to ensure that the cooling water is full of the cooling pipe and there can be no bubbles in the pipe before turning on the power. Requirements: Use soft water (distilled or purified water) as the cooling water, and always pay attention to the temperature of the cooling water. The water temperature should be controlled within the range of 25°C-30°C, not too high or too low, especially in summer. Once the water temperature is found to be too high, The cooling water should be replaced in time or shut down for a period of rest: the cooling water in cold areas must not freeze, especially after the laser is shut down, the cooling water must not be stored in the laser tube, so as to prevent the cooling water from freezing and causing explosion. (Special attention: users who use AC power, the cooling water tank must be grounded);
Two, the two supporting points of the laser tube should be at 1/4 of the total length of the laser tube to ensure the flow of cooling water 2L-4L/min; otherwise the effect is not good, it will cause mode jump, and the light spot will change a few points to cause power drop; the cooling water return port in the water tank must be covered by water, otherwise the laser tube will be cooled every time the machine is turned off Fill the dissatisfaction phenomenon.
Three, pay attention to protect the output window of the laser, avoid the smoke generated during the working process (including the process of debugging the optical path) sputtering on the surface of the output window, and prevent the outer surface of the output window from being contaminated, and the power will drop. At this time, use absorbent cotton or silk cloth dipped in absolute alcohol to gently wipe the outer surface of the output window;
Four. During the debugging process, adjust the laser support point or rotate the laser position to achieve the best output effect. Fix the laser again
Fifth, please pay attention: avoid dust accumulation near the high-voltage electrode, keep it dry, and keep the high-voltage end as far away from the metal as possible to prevent high-voltage sparking and discharge.
Six. When the laser is in use, no scale should be formed in the cooling pipe to avoid blockage of the cooling water and poor heat dissipation effect. Once found, 20% dilute hydrochloric acid can be used to clean the cooling pipe to remove scale.
Seven. The laser is a glass product, which is fragile. When installing and using, avoid local stress.
8. Use laser tube rationally to save laser energy. The best working current of laser tube is 16 mA.
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