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How much do you know about optical mold polishing?

What is optical mold polishing? From the perspective of product requirements, there are two types of products: visually appealing appearance and functional requirements. However, polishing that meets visual requirements is called mirror polishing or high gloss. The polishing of molds that require optical functions such as reflection, focusing, and imaging is called optical polishing, and its polishing process is not completely the same as mirror polishing. In general, optical products require an AO level polishing effect with a roughness Ra of less than 0.008um.


The optical lens mold has a decisive impact on the formation and surface quality of the lens. In the current optical manufacturing industry, optical lens molds have become essential tools. With the gradual rise of new optical lens mold manufacturing technologies, mold polishing still plays an important role in the mold manufacturing industry. Good polishing plays a decisive role in the quality of the produced products and is the key to opening up the market.



Polishing lens molds not only improves the aesthetic appearance of the lens surface, but also enhances the mirror reflection effect of the lens, improving visual clarity. So, how to polish the lens mold?


There are many polishing methods for lens molds, such as manual polishing, mechanical polishing, ultrasonic polishing, etc. Different polishing methods have different polishing effects, so we need to choose the polishing method that is suitable for the product.


Now let's talk about how to use manual polishing. First, use sandpaper to remove burrs, impurities, etc. on the surface of the lens mold, and polish the mold surface as a whole. This process requires patience and care to ensure that the surface roughness of the polished surface meets customer requirements. Next, use fine sandpaper to continue polishing until the surface of the lens mold becomes very smooth. Finally, using mechanical polishing equipment to polish the lens mold can achieve a higher level of surface quality. In the process of mechanical polishing, the surface quality and roughness of the lens mold can be controlled by adjusting parameters such as the speed and direction of the polishing wheel.


Finally, using ultrasonic polishing method to finely polish the surface of the lens mold can achieve a high mirror reflection effect. Ultrasonic polishing has the advantages of fast speed and good effect, which can greatly improve the yield of lens molds.


In short, the polishing of the lens mold can meet the reflection effect of the mirror surface and ensure the high clarity of the lens. Any polishing method can be used, and the most important thing is to ensure the quality of the mold polishing.


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