In order to improve the repetition rate of drill pipe and prolong the actual service life of drill rod, a set of automatic repairing device for drill pipe thread was designed. The whole device consisted of three major institutions, including the automatic conveying device, delivery device and support device, and the CNC pipe threading lathe with the advantages of automatic tool setting, adjustable clamping tools, automatic feed. The cutting depth and thread feeding depth were determined by the damage of thread. After programming and many experiments in laboratory, qualified thread is gotten eventually by the device.The design has reduced the labor intensity and improved repairing precision.
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万法伟,赵军友,曹清园,王富涛,曹建明,韩学义.石油钻杆螺纹修复技术研究[J].机床与液压,2017,45(2):15-19. . Research on Repairing Technology for Drill Pipe Thread[J]. Machine Tool & Hydraulics,2017,45(2):15-19