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Domestic grinding wheel development trend
Blog Submitted by xzbbvfvbh on 12/09/2018 at 11:53 PM Report Blog
After years of continuous innovation, and domestic manufacturers constantly introduce foreign advanced technology, the flat cutting disc on sale process has gradually formed its own development trend. The use of diamond cutting wheels is an indispensable process in chip manufacturing. The silicon wafer is diced by an ultra-thin diamond cutting wheel. At present, the process of using the diamond cutting wheel in China mainly uses thermosetting resin represented by phenolic resin. The fixed-line process of grinding wheel is realized by the heating furnace with heating up to several hundred. This energy-consuming and time-consuming manufacturing process The production costs are high. According to the research of relevant departments, the whiskers of the grinding wheel not only have excellent mechanical properties but also have various special properties. As a reinforcing component of polymer materials, it can greatly improve the mechanical strength, heat resistance and resistance of the matrix materials. Grindability, corrosion resistance, etc. Since the grinding wheel itself has a slender structure and high strength and high modulus, it can be uniformly dispersed and acts as a skeleton. In the production of grinding wheel, the addition of whiskers in addition to the general inorganic filler to reduce the shrinkage rate, but also due to the fibrous filler can produce a certain deformation when the force, so that the stress is easy to relax, eliminate the interface stress concentration and residual stress, reduce Internal stress of small products.
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