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Buffing machine is mainly used to remove the scratches left by grinding wheels on optical resin, glass, and metal products after edge grinding, so that the surface of the lens edge is smooth and polished for frameless or semi-framed glasses. Here are some common solutions to the problems encountered during the buffing process of buffing machines.
The biggest problem encountered in daily buffing is "over-buffing," which means that the longer the buffing time, the worse the quality of the mold surface. Over-buffing can cause two phenomena: "orange peel" and "pitting." Over-buffing is more common in mechanical buffing.
An irregular and rough surface is called "orange peel." The most common cause of "orange peel" is excessive heating or carburization of the mold surface, and excessive buffing pressure and time are the main causes of "orange peel."
For example, buffing wheels can produce "orange peel" due to the heat generated during the buffing process. Harder steel can withstand more buffing pressure, while relatively soft steel is prone to over-buffing. Research has shown that the time of over-buffing occurs at different times depending on the hardness of the steel.
When the surface quality is found to be poor, many people will increase the buffing pressure and extend the buffing time, which often makes the surface quality worse.
The following methods can be used to remedy the situation:
Remove defective surfaces, use a slightly coarser grinding particle size than the previous sandpaper, and then polish with less force than before. Use a temperature lower than the tempering temperature to relieve stress. Use the finest sandpaper for finishing before buffing with buffing machines, until satisfactory results are achieved, and finally, polish with lighter force.
Ningbo Xihe Automation Equipment Co., Ltd. can customize and produce various non-standard industrial buffing and polishing machines according to the different needs of customers. The company has a professional R&D and production team and has high-precision CNC machining machines, grinders, milling machines, and machining centers. We focus on the research and sales of automation welding equipment. The equipment sold includes paper buckets, mesh baskets, sample sieves, glass covers, brake pads, and other industries. Please feel free to contact us for inquiries.
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