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钻杆接头是钻杆失效的主要部位,而影响接头受力的主要因素为接头螺纹。利用ANSYS有限元软件对螺纹的三种主要形式(台肩、锥度以及牙型)作了分析比较,为千米钻机钻杆的设计提供了重要的参考依据。
Drill pipe joint is the main part of the drill pipe failure, and the main factor that affects the joint force is the joint thread. The ANSYS finite element software is used to analyze and compare the three main forms of thread (shoulder, taper and tooth type), which provides an important reference for the design of the drill pipe for km drill.