THE ANALYSIS OF FORCE ON PDC CUTTER

摘要：

　　In order to study the influences of different factors(such as cutting area,contact arc length,back dim angle and drillability of rocks)on the force of PDC bit,cutting tests on different kinds of rocks were done with PDC cutters.Conclusions can be drawn from those tests that with the same cutting area,the force on PDC cutter changes linearly and exponentially with contact arc length and abrasion height,and it shows a power-function distribution with extreme value of rock drillability; It is found that the force on PDC cutter is the minimum when back rake is about 5-10 degrees.The conceptions of radian coefficient and worn height coefficient were introduced,the general mechanical model of PDC cutter is built.Which offers theory base for the optimization of bit design and the reasonable use of bit.

关键词： PDC cutter cutting area arc length coefficient abrasion height coefficient mechanics model

作者: Erguo Liang Jinmin Wang Lijun Zhou Lijie Wang

作者单位: School of Mechanical Engineering,Tianjin University of Technology and Education Dagu Rd.Hexi District,Tianjin city,PA 300222,CHINA

会议类型: 国际会议

会议名称: Energy Materials 2014(第一届能源材料国际会议)

会议地点: 西安

会议语种:英文

页码: 781-787

在线出版日期: 2014-11-04（万方平台首次上网日期，不代表论文的发表时间）