石油钻杆摩擦焊后内冲技术的探讨  

Discussion on Internal Punching Process for Friction-welded Oil Drill Pipe

作　　者：牛成杰 张梅梅 戴树潭 孔令楠 NIU Chengjie;ZHANG Meimei;DAI Shutan;KONG Lingnan(Bohai NKK Drill Pipe Company,Qingxian 062658,China;CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd.,Qingxian 062658,China;Hebei Hua-Sin Inspection lech no logical Service Co.,Ltd.,Qingxian 062658,China;Bohai Equipment Research Institute,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 [3]河北华新检测技术服务有限公司,河北青县062658 [4]渤海装备公司研究院,河北青县062658

出　　处：《钢管》2020年第4期32-35,共4页Steel Pipe

摘　　要：根据石油钻杆内焊环冲切技术要求,结合现场生产经验,从内冲系统基本结构出发,分别探讨了动力、平衡、传动、冲切、定位功能的实现并提供了参考方案,介绍了各组件主要技术要求及工艺要点,同时总结了工件定位要求、内冲前检查要求、内冲后检查要求及一些主要检测手段。应用效果表明:采用合理的系统结构,通过对内冲技术各要素的控制,可以有效提高内冲一次成功率。Based on the technical requirements for removal of the internal welding ring of the oil drill pipe,the field production experience,and basic structure of the internal punching system,realization of all the functions of the system are discussed,including power,balancing,driving,punching and positioning.And accordingly relevant reference scheme is proposed.Also elaborated here in the paper are the main technical requirements and process tips of each individual unit of the system.Moreover summarized are the work-piece positioning requirement,the pre-punching and post-punchi ng check requirements,and related major inspection/measurenient methods.The actual application result shows that the onetime success rate of the internal punching operation can be improved by means of adopting a reasonable system structure and properly controlling of various key elements associated with the internal punching process.

关 键 词：石油钻杆 摩擦焊 焊环 内冲 冲切刃具 深孔加工 

分 类 号：TG335.7[金属学及工艺—金属压力加工] TE931.2[石油与天然气工程—石油机械设备]