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The patent provides a self-propagating pressureless sintered metal bond diamond grinding wheel and a preparation method thereof for the traditional sintering process of the metal bond diamond grinding wheel, which has high energy consumption, low production efficiency, and the bonding agent and the diamond abrasive grain cannot be firmly combined. : After igniting the powder or compact, the exothermic reaction between Al and Ti, Ni and other components in the grinding wheel binder can be used to achieve rapid sintering and densification of the grinding wheel without external energy and load. Compared with the traditional sintering process, the patented technology has the advantages of energy saving, high production efficiency, low equipment investment, and low production cost. In addition, the high temperature is generated instantaneously during the self-propagating sintering process, so that the diamond and the strong carbide forming element Ti in the binder effectively form carbides, which significantly improves the holding force of the bonding agent on the diamond, thereby improving the grinding efficiency and service life of the grinding wheel. .
In recent years, the company has actively implemented the internationalization strategy of intellectual property rights and increased the patent application of the company's core technology and cutting-edge technology in foreign countries. The successful authorization of this US patent demonstrates the company's strong technical research and development capabilities, enhances its core competitiveness, and provides strong technical support and guarantee for the company's continued development in the international market. 
US Patent Certificate
Zhengzhou Sanmao Co., Ltd. was awarded the first US patent license
Abstract Recently, Sanma Institute (Zhengzhou Abrasives Grinding Research Institute Co., Ltd.) received a patent authorization certificate from the US Patent and Trademark Office. The company applied for the US invention patent “Metal-bondeddiamondgr...
Recently, Sanma Institute (Zhengzhou Abrasives Grinding Research Institute Co., Ltd.) received a patent authorization certificate from the US Patent and Trademark Office, and the company’s US invention patent “Metal-bonded diamond grinding wheel prepared by self- Propagating pressure-less sintering and a preparation method thereof" (Chinese translation: self-propagating pressureless sintered metal bond diamond grinding wheel and its preparation method). After nearly five years of review and publicity, it was authorized (patent number: US9211633B2), which is also the first foreign patent obtained by the company.