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Co2 laser tube with attention to the three problems

by:Transon     2021-01-08
Co2 laser tube is the core component in laser cutting machine, laser tube, according to domestic and imported domestic co2 laser tube life usually has 1500 hours to 2000 hours, and most of the domestic for one-time use only. Imported co2 laser tube life can reach 2 ~ 30000 hours, and can be used repeatedly inflatable ( Inflatable number generally 3 ~ 4 times, each time inflatable life would be cut in half) 。 Above said life is the life of a theory, also is to maintain a good case can be achieved, then the problem comes, CO2 laser tube how to maintain? We need to pay attention to the following three problems.



a cooling water, carbon dioxide laser tube

1, please turn on the cooling water, when used with low into the above principle, the adjustment of outlet pipe position, to guarantee the cooling water filled with cooling pipe ( Tube can't entities) , and open the power supply.
2, cooling water using soft water ( Distilled water or pure water) , and often pay attention to the temperature of the cooling water temperature at 25 ℃ - should be controlled 30 ℃ range, must not be too high or too low, especially in the summer, once found, high temperature cooling water should be replaced in a timely manner or stop to rest for a period of time.
3, cooling water shall not be frozen in a cold district, especially after CO2 laser tube stop, must not let water storage in the laser tube, so as to avoid water ice lead to crack.
4, CO2 laser tube of two supporting points to the laser tube length a quarter point, ensure the flow of cooling water in 2 l - 4 l/min, otherwise the result is bad, will cause a jump.
( Special note: the use of alternating current users, cooling water tank must be grounded)

2, laser tube working current

1, try to work in the best current interval of CO2 laser tube. Current hours, easy to produce high voltage spark; When the current is too large, increased weight of the cooling system.
2, working current and output power as a parabola relationship, don't blindly in pursuit of efficiency must be more current.
3, reasonable application of laser tube, laser energy saving, working current of the laser tube in 16 ma best point.

3, laser tube using the environment

the output window, pay attention to protect the CO2 laser tube, to avoid in the process of the work ( Also include the debugging in the process of the optical path) Smoke sputtering to the output window surface, so as not to affect the stability of the power, if the output window outside surface contamination, then use absorbent cotton or silk cloth dips in anhydrous alcohol wipe gently output window outside surface;
2, avoid accumulation of dust near high voltage electrode, keep dry, high voltage side as much as possible to stay away from metal, in case of high voltage spark discharge.
3, CO2 laser tube in use process, can't have a scale in the cooling tube formation, lest cause cooling water blockage, cooling effect is poor. Once found, 20% of dilute hydrochloric acid cleaning cooling pipe, remove scale.
4, CO2 laser tube for glass products, fragile. Install and use, to avoid the local stress.

in general, the co2 laser tube maintenance needs to pay attention to the cooling water three issues, working current, working environment, the consumption of the laser tube is a relatively expensive laser equipment large parts, a good maintenance of the laser tube can save a lot of money.
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