Maintenance and precautions of laser welding machine

Laser welding has become one of the important means in industrial manufacturing. Because of its wide use, many people do not pay attention to daily maintenance, resulting in shortened machine life. Let's take a look at the maintenance and maintenance methods of laser welding today!

 

1. Maintenance method of laser welding machine

 

(1). Check vulnerable and important parts
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When the laser welding machine is used continuously for about two weeks, the fragile and important parts should be inspected, such as the dielectric diaphragm, lens protection glass, YAG rod and other parts to make sure that there is no dust and impurities on the optical components. It should be handled in time to avoid damage to optical components and delay normal production.
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(2). Check the laser beam quality
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Regularly check the laser beam quality of the laser welding machine. If it is found that the energy of the beam decreases or the spot is uneven, it is necessary to fine-tune the spot and adjust the resonant cavity of the optical device to ensure the quality of the laser beam.
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(3). Cooling water pipeline
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Cooling components are the key to ensuring laser efficiency and component life. Regularly check the cooling water pipes of the laser welding machine. If condensation occurs, it should be dealt with in time to prevent condensation from causing damage to the fiber laser welding machine. Replace the inner circulating deionization every month. water.
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(4). Check and adjust the laser cavity
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Equipment operators can often use black image paper to check the laser output spot. Once the uneven spot or energy drop is found, the resonator of the laser should be adjusted in time to ensure the beam quality of the laser output.

 

 

Maintenance and precautions of laser welding machine

 

 

2. Precautions for maintenance of laser welding machine

 

(1). If there is any failure of the equipment, the power should be cut off immediately. When the equipment is not working, cover the field lens lens to prevent dust from contaminating the optical lens, and cut off the power of the welding machine and computer.
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(2). When the equipment is working, the circuit is in a high voltage state, and non-personnel should not overhaul it when it is turned on to avoid electric shock accidents.
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(3). If the equipment is used for a long time, the dust in the air will be adsorbed on the lower surface of the focusing lens, which will cause the optical lens to absorb heat and overheat and explode, reducing the power of the laser and affecting the welding effect. When the welding effect is not good, the surface of the focusing mirror should be carefully checked for contamination.
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(4). The debugging of the laser welding machine must be carried out by specially trained personnel, otherwise other components on the optical path will be damaged due to the misalignment or polarization adjustment of the laser. Operators must have common sense of laser safety protection, and must wear special laser safety glasses during work.

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