Which Distributor in China Offers The Best Quality End Mills

Kunshan Meiyaxing Hardware Machinery Co., Ltd. is a branch of Hong Kong Meiya International Trading Company in China. It is a company specializing in CNC tool wholesale. We are committed to providing customers with high-quality CNC tool products and professional services to meet customers' production and processing needs in various industries. At the same time, we will also customize personalized tool solutions according to customers' specific needs to ensure that every customer gets the best service and experience. In the future development, we will continue to uphold the business philosophy of "quality first, service first", continue to improve service levels and product quality, create more value for customers, and help customers achieve better development. Guaranteed authentic and trustworthy. .
HRC70 degree ball end mill is a precision tool designed for processing ultra-high hardness materials (such as hardened steel, mold steel, etc., with a hardness of Rockwell hardness of 70). Its tip is hemispherical, which can complete high-precision processing of complex curved surfaces, deep cavities, fillets and three-dimensional contours. It is widely used in mold manufacturing, aerospace, automotive industry and other fields.
Material properties
1. Base material:
- Cemented carbide: With tungsten carbide (WC) as the main body, cobalt (Co) and other binding phases are added to improve the hardness and toughness of the matrix through ultra-fine particle technology. For example, the ultra-fine particle cemented carbide matrix developed by Sumitomo Electric Industries, Japan, achieves a balance between hardness and toughness by reducing the cobalt content and refining tungsten carbide.
- Cubic boron nitride (CBN): The hardness can reach HV3300, which is more than twice that of cemented carbide. It is especially suitable for processing high-hardness materials of HRC60-70. For example, Tungaloy's BBB2000 CBN ball head end mill can directly mill high-hardness molds, significantly improving efficiency.
2. Coating technology:
- Use advanced coatings (such as GS coatings) with low friction coefficients (such as friction coefficients of 0.2), which have both heat resistance (equivalent to TiSiN) and lubricity, reduce cutting heat and sticking, and extend tool life.
- Diamond coating is used for carbide tools to further enhance wear resistance.
HRC70 degree ball end mills have become the core tools for difficult processing scenarios due to their high hardness base material, advanced coating technology and precision blade design. In the future, with the breakthrough of coating technology and composite materials, its processing efficiency and application scope will be further expanded, promoting the manufacturing industry to move towards higher precision and efficiency.
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