螺杆钻具转子热挤压加工方法研究  

Research on Hot Extrusion Method for Positive Displacement Motor Rotor

作　　者：韩传军[1] 梁政[1] 李大彬[1] 

机构地区：[1]西南石油大学机电工程学院,四川成都610500

出　　处：《热加工工艺》2013年第5期77-80,共4页Hot Working Technology

基　　金：国家自然科学基金资助项目(51004083);中国博士后科学基金资助项目(20100481384)

摘　　要：螺杆钻具转子现行的加工方法主要是数控机床螺旋铣削和磨削,但两种方法耗时极长、成本高昂。对此,提出一种热挤压的加工方法,并制定了成形方案,完成了液压系统设计及模具结构设计。通过热挤压的模拟分析,发现模具和工艺过程能够实现螺杆钻具转子挤压成形的目标,模具损伤、应力应变、成形载荷、温度分布和坯料流动速度及方向均能达到设计要求。At present, manufacture means of the rotor of positive displacement motor is helical milling and grinding in numerical control machine tool, but two methods consume too much time and money. A new kind of hot extrusion method was presented, and forming scheme was established. The desiqn of hydraulic system and die structure were finished. Through the simulation of hot extrusion, it was found that dies and process can realize object of hot extruding rotor of positive displacement motor. The die damage, stress and strain, forming load, temperature distribution and the blank flow speed and direction can all attain the demand of design.

关 键 词：螺杆钻具 转子 热挤压方法 

分 类 号：TG376.2[金属学及工艺—金属压力加工]