模具抛光的方法和技术分析（Analysis of the method and technology of die polishing）.docVIP

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模具抛光的方法和技术分析（Analysis of the method and technology of die polishing）.doc

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模具抛光的方法和技术分析（Analysis of the method and technology of die polishing）

模具抛光的方法和技术分析（Analysis of the method and technology of die polishing） Analysis of the method and technology of die polishing In the process of industrial products diversification and high-grade development, it is an important task to improve the quality of mould which directly affects the quality of products. In the process of mold manufacture, the smooth processing and mirror machining after shape processing are called parts surface grinding and polishing. It is an important process to improve the quality of the die. Reasonable polishing method can improve the quality and service life of the die, and then improve the quality of the product. 1 commonly used polishing method and working principle 1.1 mechanical polishing Mechanical polishing by cutting or surface plastic deformation and remove protruding workpiece surface smooth surface polishing method of general use, oilstone, wool wheel, sand paper, mainly manual, high surface quality can be used for ultra precision polishing. Super precision lapping is made of special abrasive tools, which are tightly pressed on the machined surface of the workpiece and rotate at high speed. The surface roughness of Ra0.008 mu m can be achieved by using this technique, and it is the best surface roughness in all kinds of polishing methods. Optical lens molds are often used in this way. Mechanical polishing is the main method of die polishing. 1.2 chemical polishing Chemical polishing is a part of a material that gives rise to the surface of a microscopic surface in a chemical medium, where a concave portion is preferentially dissolved so that a smooth surface is obtained. The method can polish workpieces with complex shapes and can simultaneously polish many workpieces with high efficiency. The surface roughness obtained by chemical polishing is generally Ra10 mu m. 1.3 electrolytic polishing The basic principle of electropolishing is the same as that of chemical polishing, that is, the surface of the material is smooth by selecti