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Aerospace
The product is mainly used in the manufacturing industry of major automotive components, various bearing industries, textile machinery gears, petroleum machinery, cylinder heads, pistons, piston rings, bearing bushes, electric vehicles, sewing machines, power tools, cutting tool industries, aerospace industry, abrasive mold industry, precision screw guide rails and other mass-forming processing and non-ferrous metal precision machining enterprises.
Aug 27,2021
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Tool measuring instruments
Bearing processing
Automobile parts manufacturing
Machining
Screw guide rail industry
Sep 02,2021
Spinning machine gear
Bearing bush
What is the working principle of a diamond grinding wheel?
The working principle of the diamond grinding wheel is as follows: by installing on the dressing device of the grinding machine, the diamond grinding wheel dresses ordinary ceramic grinding wheels or CBN grinding wheels. After the wheel is shaped, it grinds the parts, thereby copying the profile, precision, and dimensions of the diamond grinding wheel onto the surface of the workpiece. Its characteristics include simple machine operation, low technical requirements for operators, good consistency in product precision, stable quality, significant improvement in production efficiency and product quality, reduced manufacturing costs, and easy realization of automated grinding processing. Compared to traditional single-point diamond pen dressing, production efficiency is greatly improved, and the surface quality and precision of processed parts are higher, making it particularly suitable for high-precision and large-scale production.
Sep 02,2022
What are the characteristics of CVD diamond grinding wheels?
CVD diamond grinding wheels In the manufacturing industry of mechanical machine tools and grinding machines, the processing of precious metals and their high-precision parts is comparable to aerospace blades, bearing inner grooves, gears, guide rails, and taps. Due to the high requirements for precision and surface finish, diamond dressing tools—wheels have long been used to meet these requirements. Engineering plastics, carbon fiber, metal ceramics, and metal matrix composites are increasingly used in the automotive and aerospace industries. These new materials often have high grindability and high strength. The precision requirements are high, and the roughness requirements are relatively high. Using grinding processes, wheels can effectively shape and sharpen grinding wheels during profile grinding, equivalent to abrasives. Diamond has extremely high hardness and excellent thermal conductivity characteristics, making it irreplaceable among dressing tool materials. Depending on the type of diamond, diamond cutting tools are divided into single crystal diamond dressing pens, polycrystalline diamond wheels, and chemical vapor deposition (CVD) diamond wheels. CVD diamond wheels have higher strength and better wear resistance; they often appear at the tips of the wheels for reinforcement in an orderly arrangement. CVD diamonds are very sharp and hard; they are not only used in diamond wheels but also in some precious metal superhard materials that directly use CVD diamond film cutting tools for cutting. The roughness is also ideal. The invention and application of CVD is truly a boon for superhard material machining on mechanical machine tools. With Dongjin's advanced imported five-axis linkage specialized grinding machine for precision grinding, under the support of technology, Dongjin-manufactured wheels have high precision, good quality, and a strong reputation in the industry. This is due to controlled precision during production processes with equipment and machines; we also have imported Zeiss three-coordinate measuring instruments from Germany's Mahr measurement instruments to control wheel quality in both production and inspection aspects. The wheels produced by Henan Dongjin Precision Engineering have received recognition from many customers.
Sep 06,2022
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