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介绍螺栓在施加压缩载荷的同时,采用拧紧力矩的方法来测定摩擦系数,再依据这一摩擦系数控制预紧力.此方法在螺栓拧紧过程中测定摩擦特性,而不降低拧紧效率.
Introduction Bolts apply a compressive load at the same time, the method of tightening torque to determine the friction coefficient, and then control the pre-tightening force based on this coefficient of friction. This method determines the friction characteristics during bolt tightening without reducing the tightening efficiency.