By checking its reliability during unlimited service time, it is discovered that the screw bolt size of present design is bigger, and the pre - stressing force is higher as well.
通过对该螺栓做无限寿命可靠度校核，发现原设计的螺栓规格取得偏大且初始预紧力也取得过高。
The tightening quality of screw connection structure is affected directly by the Controlling Method of the Pre - tightening Force.
螺纹联接件预紧力控制方法直接决定联接副拧紧质量。
Pre-tight force of connecting rod screw;
考虑连杆螺钉的作用；
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