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Laser cutting machine lens cleaning problems need attention

Source:Liaocheng Thai laser equipment co., LTD Time: 2018/12/13 11:59:32 [Return]
Brief:In the process of replacement, the placement of optical lenses, testing, installation, attention should be paid to make the lens from damage and pollution.
In the process of replacement, the placement of optical lenses, testing, installation, attention should be paid to make the lens from damage and pollution. A new lens after install, should be cleaned regularly.
When the laser to cut materials, work surfaces and splash will release a great deal of gases, these gases and flying objects will deal damage to the lens. When pollutants fell on the surface of the lens, will absorb energy from the laser beam, lead to the thermal lens effect. If the lens have not form the thermal stress, the operator can be disassembled and cleaned.
In the process of installation and cleaning lenses, any sticky material, even nails seal oil droplets, will make the lens absorption rate increase, reduce the service life. So, must adopt the following precautions:
1, do not use naked refers to install the lens. Should wear gloves or rubber gloves.
2, do not use sharp instrument so as not to cause the lens surface scrape.
3, take the lens when not in contact with the membrane layer, but with the edge of the lens.
4, the lens should be placed in dry and clean place to detect and clean. A good workbench surface should have several layers of clean paper towel, cotton paper and several cleaning lens.
5, the user should avoid talking over the lens, and let the food, beverage and other potential contaminants from the work environment.
In the process of cleaning the lens, we should adopt the method of risk is relatively small. The following steps is set up for this purpose, users should adopt. First used blow the balloon's blow off of the surface of the original, especially the surface of small particles of flocculant and lenses, this step is necessary. But don't use the compressed air on the production line, because these would contain oil mist and water droplets in the air, it will deepen the pollution of the lens.
The second step application analysis of pure acetone to a slight cleaning lenses. This level of acetone is almost no water, it will reduce the possibility of a lens pollution.
Cotton ball dipped in acetone must clean under light lens, and make a circular movement. Cotton swabs with a dirty but, must be replaced. Wash one time to avoid to produce wave. If there are two coating on the surface of the lens, such as lens, in this way, every face needs cleaning. First need to put a layer of clean with protective lens paper.
If acetone cannot remove all the dirt, then use vinegar to clean. Vinegar when cleaning is the use of dissolution of dirt to remove dirt, but won't harm the optical lens. The vinegar can be experimental level (diluted to 50% intensity), or family containing 6% acetic acid with white vinegar. Cleaning procedures and acetone cleaning, and then use acetone to remove vinegar and dry lens, are frequent in cotton ball to completely absorb acid and hydrate. Until clean.
When through washing to remove pollutants and lens injury, especially caused by metal splash and dirt film burn out, to restore the good performance, the only way is to replace the lens.
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