According to the actual situation of Chinese cemented carbide tool material development and application,focus on technical upgrades to cemented carbide bars of existing products, accelerate the development of a new generation of high strength lightweight cemented carbide bar products with high efficiency and low cost, with independent intellectual property rights, to be in the cold spiral alloy, light alloy materials leader, this it is very important.

Research on the key technology of powder metallurgy for preparing high strength and light weight cemented carbide.The rapid development of metal processing requirements tool has the characteristics of high cutting speed,high feed rate, high precision and long life,and the traditional cemented carbide cutting tool, although it has a certain hardness and wear resistance, but poor toughness and hardness, has been unable to meet the requirements.

According to the cutting of stainless steel at high speed for a long time in the process of dry cutting, red hardness and toughening of the poor, to adjust the powder composition and the sintering process and other measures,independent research and development of powder metallurgy high strength lightweight cemented carbide bars, improve the current stainless steel stem cutting tool materials during the service cycle.

High strength lightweight cemented carbide bars can effectively reduce the temperature of cutter machining process, mechanical debris removal process,improve the quality of the machined surface, improve processing efficiency, prolong the service life of cutting tool. Foreign enterprises are strictly confidential to the process from the equipment,Chinese domestic for the product market demand is huge, preparation technology of high strength lightweight cemented carbide is difficult China powder metallurgy industry eager to break through.

The project's characteristics and innovations, put forward the new sintering process high strength lightweight cemented carbide raw materials and sophisticated processing equipment and processing method,preparation of high strength lightweight cemented carbide,high strength lightweight cemented carbide bars are developed,with cemented carbide drill, milling cutter, alloy steel, titanium alloy processing requirements reached the foreign advanced level, and to fill the domestic blank.

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