针对石油钻具内孔修磨过程中的轴线偏斜技术难题，提出利用压电式测力传感器进行在线测偏。此方案在石油钻具生产领域具有一定的创新性。%In order to the current technical problems of axis deviation during drilling pipe hole grind-ing processing, this paper puts forward a kind of use of working principle of piezoelectric gauge force sen-sor for on-line detection of deviating .This scheme owns a certain innovation in the field of the drilling pipe processing.
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