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《Coal Mine Machinery》 2017-11
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Study on Processing Technology of Drill Bit of Three-wing Inclined PDC Composite

JIANG Kai-yong;Chongqing Research Institute,China Coal Technology Engineering Group;Gas Disaster Monitoring and Emergency Technology National Key Lab.;  
The process of PDC composite drill bit is studied. The experimental results show that the PDC composite bit with the process route has high welding strength,strong wear resistance, Good impact resistance,in the completion of complex deep hole drilling,there is no teeth or chipping phenomenon,greatly improving the drilling efficiency,reducing the cost of our hospital drill manufacturing.
【CateGory Index】: TD41
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