To facilitate the fishing or recovery operation, the backoff is usually accomplished by applying reverse torque and detonating an explosive charge inside a selected threaded connection.
为进行打捞或回收钻柱,通常的卸开作业总是采用反扭矩,和在所选用的丝扣连接内引爆炸弹。
The function principle, structure and material performance of fixed torque bolt are studied in the way of Reverse Engineer in this thesis.
本论文对定扭矩螺栓的功能原理、结构以及材料性能等进行了反求分析。
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