油套管管端车丝常见问题与对策  

Problems and Solutions of Oil and Casing Pipe End Threading

作　　者：彭建军 周雅娣 童楠楠 王巍 何彦辉 任勇 吴鹏飞[1] 李洪臣 PENG Jianjun;ZHOU Yadi;TONG Nannan;WANG Wei;HE Yanhui;REN Yong;WU Pengfei;LI Hongchen(CNPC Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China;Shaaxi Heavy Duty Automobile Co.,Ltd.,Xi'an 710200,China)

机构地区：[1]中国石油宝鸡石油钢管有限责任公司,陕西宝鸡721008 [2]陕西重型汽车有限公司,西安710200

出　　处：《焊管》2023年第6期65-68,共4页Welded Pipe and Tube

摘　　要：为了提高油套管管端螺纹加工的工作效率,解决车丝生产中的常见问题,以P110钢级Φ139.7 mm×9.17 mm规格BJC-II特殊螺纹的加工为例,介绍了螺纹加工的工艺流程,针对螺纹加工生产中遇到的端面刀杆损坏、胀圈磨损及损坏等加工质量问题进行了分析,并提出了解决办法。通过优化走刀路径、合理利用通道,能够提升管端螺纹车丝加工效率;合理选择断屑方式,增加铁屑防回卷装置和铁屑粉碎装置,能够有效提升设备的整体生产效率。In order to improve the efficiency of casing pipe end thread processing and solve problems in threading,taking P110Φ139.7 mm×9.17 mm BJC⁃II special thread as an example,the process of thread processing was introduced.An analysis was conducted on the damage to the end face cutter bar,wear and damage of the expansion ring in thread production and solutions were proposed.By optimizing the cutting path and making reasonable use of channels,the efficiency of pipe end thread threading can be improved.Reasonable selection of chip breaking methods and the addition of iron chip anti⁃roll devices and iron chip crushing devices can effectively improve the overall production efficiency of the equipment.

关 键 词：管端螺纹 螺纹加工 断屑 车削 加工工艺 

分 类 号：TG62[金属学及工艺—金属切削加工及机床]