石油钻杆摩擦焊内毛刺去除刃具的选择  

Selection of Inner Burr-cutting Tools for Friction-welded Oil Drill Pipe

作　　者：牛成杰 张梅梅 王显林 NIU Chengjie;ZHANG Meimei;WANG Xianlin(Bohai NKK Drill Pipe Company,Qingxian 062658,China;CNPC Bohai Equipment Manufacturing Co.,Ltd.,Qingxian 062658,China)

机构地区：[1]渤海能克钻杆有限公司,河北青县062658 [2]渤海石油装备制造有限公司,河北青县062658

出　　处：《钢管》2020年第3期54-58,共5页Steel Pipe

摘　　要：结合石油钻杆摩擦焊内毛刺去除技术要求,从冲切刃具基本结构出发,对比分析其主要特点及工艺要求。介绍不同形式刃口的冲切原理及优缺点;总结内冲刃具在内冲过程中的技术要点,及内冲常见失效形式、失效原因及处理建议。通过研究冲切刃具技术参数及工艺要求,合理选择适用的冲切刃具,可以有效减少内冲失效的发生,从而提升产品质量。Based on the technical requirements for inner burr removal of the friction-welded oil drill pipe,and the basic structure of the cutting tool,relevant main characteristics and technological requirements are compared and analyzed.The punching principle,and advantages and disadvantages of different types of blade edges are described.And the key technical tips concerning operating the internal punching tool during the internal punching process,and the common failure types and reasons thereof are summarized,and accordingly relevant countermeasures are proposed.It is concluded that properly selecting the punching tools via studies on the cutting tool technical parameters and technical requirements will reduce the internal punching failure rate so as to improve the product quality.

关 键 词：石油钻杆 摩擦对焊 毛刺 内冲 冲切刃具 

分 类 号：TG713[金属学及工艺—刀具与模具]