Laser head protective lenses

As the name suggests, protective lenses are protective the laser cutting head. To prevent dust and slag splash damage to the internal lens of the laser head, is a necessary small original.

In addition, we need to pay attention to the fact that the laser head protection lens is a wearing part. But in order to improve the utilization rate and reduce the production cost, the lens need clean  timing to achieve the purpose of recycling.

The following are three cleaning steps:

STEP ONE

protection lens material is zinc arsenic, which is relatively brittle and afraid of falling; when disassembling: it should not be too hard, and it can not collide with hard objects. There is anti-reflection film on the surface, which is afraid of pollution, fear of moisture, oiliness, and fear of scratching. Therefore, it is required to provide dry and degreasing air in the work. Do not directly handle the laser cutting machine to protect the lens, because skin grease will produce permanent damage to the lens surface. Conversely, we reminds you that you can wear gloves and its special set to operate. For smaller lenses, it is more convenient to use optical tweezers or vacuum tweezers. No matter how you clip the laser cutter to protect the lens, it can only be clamped along a non-optical surface, such as the frosted edge of the mirror edge.

STEP TWO

In general, it is necessary to check the protective lenses of the laser cutting machine before and after cleaning. Because most contaminants and surface defects are small in size, our operators often use amplification equipment when inspecting lenses. In addition to amplifying equipment, sometimes we need to use a relatively bright light to illuminate the optical surface, enhancing the specular reflection intensity of surface contaminants and defects, which makes it easier to spot contaminants and defects.

STEP THREE

When cleaning the protective lenses, always use a clean wipe and optical grade solvent to prevent damage from other contaminants. Wipe paper must wet with a suitable solvent and must not DRY. In consideration of softness, the usable wiping paper is a cotton wiping paper or an applicator such as a cotton ball, a lens paper, and a cotton swab.

The daily maintenance and cleaning of the laser head protective lenses will greatly reduce its loss, but more often because of other undesirable factors to speed up the aging and damage of the protective lenses.