tightening bolt

Application of Ultrasonic Detector to Testing and Measuring the Axial Force of Bolt in the Operation of Tightening the High Strength Bolt

超声螺栓轴力测试仪在螺栓施拧检验中的应用

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Sensor bolt to be used to ensure a certain degree of tightening torque, prolonged use will not become loose.

传感器要采用螺栓固定，保证一定的紧固力矩，长时间使用不会松动。

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Tightening Midsplit Bolt of Turbo-Blower Casing by Hydraulic Stretch Method

液压拉伸法紧固透平风机机壳中分面螺栓

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Improper bolt tightening procedure.

螺栓拧紧程序错误.

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When the screw bolt is rotated, the washer is forward pushed out, and thereby, the steel wire ring is tightly connected to realize the purpose of tightening ring.

隔板、垫圈位于螺栓上，其中钢丝环引出端从环的切线方向引出后被固定于隔板及垫圈上。

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Influence Factors on the Bolt Tightening Torque Coefficient

螺栓拧紧力矩系数的影响因素研究

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The Calculation of the Pre tightening Force of Ordinary Bolt Connections with Lateral Load and Torsional Moment

普通螺栓组（R和T作用）联接预紧力计算方法

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The computation results show that there exists serious stress concentration on the fractured section of the shaft. The main reasons of high frequency fatigue fracture of the shaft are that the small transition radius and the tensile stress caused by the tightening torque of the bolt.

结果表明，花键轴断裂处存在严重的应力集中，花键轴断裂处过渡圆弧半径过小以及未对螺栓拧紧力进行控制是导致轴产生高周疲劳破坏的主要原因。

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Control on Abnormal Bolt Tightening in Bolt Torque Tightening Method

螺栓力矩拧紧法拧紧异常的控制

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Finally, the stability of friction coefficient and the tightening attribute of bolt fastening were improved, which based on the results of theoretical analysis and experimental research.

最后利用理论分析和实验研究成果，提高了电镀锌螺栓摩擦系数稳定性，同时改善了电镀锌螺栓紧固性能。

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Effect of bolt tightening torque on the resonant frequency, vibration dynamic resistance and dynamic inductance has been studied during. 5.

探究了振子装配过程中螺栓预紧力矩对振子的谐振频率、动态电阻和动态电感三个性能参数的影响。

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