Third, the application of superhard material products in mechanical processing
1. Application of diamond products
Diamond abrasives and their products are mainly used to process various difficult-to-machine materials of non-ferrous metals, such as stone, glass, cement products, refractory materials, ceramics, wood, and hard alloys, ferrosilicon alloys, etc. The application ratio of China's diamond abrasives and their products in various fields is shown in Figure 3.
Figure 3 Proportion of China's diamond products in various fields
Application of the amount of diamond products in the field of machining only 10%, mainly for turning machining and grinding. Diamond knives are equipped with turning tools, milling cutters, boring tools, etc., more than 80% are used in the automotive and motorcycle industries, others are used in household appliances, gas, general machinery and other fields.
(1) Diamond cutter
Diamond tools are mainly used in the automotive and motorcycle industries to process skirts, pin holes, cylinder blocks, gearboxes, carburetor, etc. of engine pistons. Due to the high silicon content (10% or more) of these components, and most of them are produced in large quantities by pipeline, the service life of the tool is high, and the hardness of the diamond tool is difficult. The durability of the diamond tool is hard alloy. 10 to 50 times the tool can ensure the dimensional stability of the part, and can greatly improve the cutting speed, processing efficiency and surface quality of the workpiece. Table 2 and Table 3 compare the practical application results of diamond boring tool and diamond milling cutter and cemented carbide tool.
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