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BGT1是国内首次由宝钢开发成功的特殊螺纹接头 ,主要用于深井和气井 ,其拧接实物质量与密封性能密切相关。描述了BGT1油管拧接扭矩变化的特征 ,同时探讨了BGT1拧接的控制模式 ,以期实现拧接质量的自动判定。
BGT1 is the first special threaded joint developed by Baosteel in China. It is mainly used for deep wells and gas wells. The quality of the screwed joint is closely related to the sealing performance. The characteristics of torque variation of BGT1 tubing were described. The control mode of BGT1 screwing connection was also discussed in order to achieve the automatic determination of screwing quality.