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Under the condition of wet grinding, the speed of metal bond round diamond wheel is controlled at 20-30m/s; The circular speed of the diamond grinding wheel of the ceramic bond is controlled at 15-30m/s. Resin diamond-like grinding wheel control at 25-40m/s; CBN grinding wheel Only ceramic bond CBN grinding wheel can be used for wet grinding, grinding wheel speed control at 30-50m/s.
In the dry grinding environment, the diamond grinding wheel is controlled at 14-18m/s and the cBN grinding wheel is controlled at 15-30m/s.
Diamond /CBN grinding wheel is generally divided into resin bonding, metal bonding, ceramic bonding and electroplating bonding according to different bonding agents, different bonding agents have different properties, according to different processing objects, requirements to choose the appropriate bonding agent.
The main uses are as follows:
1. Resin diamond grinding wheel is used for grinding and polishing of cemented carbide, magnetic materials, precision cermet and non-metallic materials. Resin CBN grinding wheel is used for grinding high-vanadium high-speed steel tools, and grinding tool steel, stainless steel, heat-resistant alloy steel and other brittle and hard metals.
2. Diamond grinding wheel made of metal bond is used for heavy load grinding of glass, ceramics, stone, coarse, fine grinding, forming grinding, electrolytic grinding. CBN grinding wheel made of metal bond is used for grinding alloy steel and other metal materials.
3. Diamond grinding wheel made of ceramic bond is used for cutting PCD tools, PCBN tools and composite pieces. CBN grinding wheel made of ceramic bond is used for fine grinding and final grinding of crankshaft, long shaft, screw, camshaft, micro bearing, large precision workpiece, instrument and other alloys.
4. Electroplated diamond grinding wheel is used for grinding glass, gems, ceramics, cemented carbide, crystal, ferrite magnetic materials, various materials special profile forming, small hole grinding and special-shaped opening grinding tool forming. Electroplated CBN grinding wheel is used for cold cast iron, gray iron, cast alloy steel, titanium alloy and other gold materials, small batch machining and geometric complex forming processing and dressing rollers.
♦ Accurate matching: From material hardness, size specifications to application scenarios, we provide one-on-one professional consulting and customization services to ensure that every tool can accurately match your production needs.
♦ Excellent performance: Combined with advanced manufacturing processes, our customized tools have reached the industry's top level in wear resistance, cutting efficiency, and service life, helping you easily cope with various difficult machining tasks.
♦ Innovative Design: Our design team constantly breaks through traditional boundaries and customizes innovative tools that are both ergonomic and efficient for you, improving work efficiency and reducing labor intensity.
♦ Quality assurance: Each process undergoes strict quality control and testing to ensure that every customized tool meets the highest quality standards, allowing you to use it with confidence and satisfaction.
Application Area
1、Diamond and cBN are modern ultra-hard cutting materials. The hardness of cBN grinding wheel is second only to diamond, but compared with diamond grinding wheel, it has better heat resistance and better ability to grind ferrous metals. So it has been more and more widely used in the automobile manufacturing industry
2、Diamond is an irreplaceable processing tool in the basic integrated circuit industry of the electronic information industry. At present, more than 95% of semiconductor components and more than 99% of integrated circuits are made of silicon materials. Silicon is a very hard brittle material and a good semiconductor material, so many aspects of wafer processing must use diamond tools to achieve high precision machining.
3、The aviation industry not only has high requirements for processing but also needs to be environmentally friendly. During the machining process, the machining method must be strictly controlled to ensure that there is no residual stress on the surface and sub-surface of the machined material during the process. The materials used in the aviation industry are difficult to process materials, such as high temperature and high strength alloys, titanium alloys, metal-based composites, carbon fiber materials, ceramics, superhard steel, high plastic materials, hot nozzle materials and memory alloys. Diamond tools provide great convenience for the processing of these difficult materials.
4、After years of development and development, China has a variety of low melting point ceramic bond cBN grinding wheel, and the development of steel matrix combined grinding wheel, and has made great progress in industrial application. For example, domestic ceramic bond cBN grinding wheel grinding automotive cold alloy cast iron (hardness RHC45) camshaft, compared with corundum grinding wheel cBN grinding wheel durability increased by more than 100 times, service life increased by 40 times, the direct cost of grinding wheel and dressing tools reduced by 15%, production efficiency increased by 10%. The machining effect is also very obvious when grinding the needle valve body of the fuel injection nozzle. In addition, China Shipbuilding Industry Corporation 6354 Research Institute has successfully applied ceramic cBN grinding wheel to hard tooth surface grinding (material GCr15, hardness HRC58-62).
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