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本文论述300MW核电反应堆压力容器的主螺栓英制修正螺纹(6 1/8″-8UNR-2AMOD)环规的研究与设计。通过生产使用验证了该螺纹量规的设计原则和公差确定是合理的,保证了主螺栓拉伸预紧的可靠性。
In this paper, the research and design of the main screw inch adjustment screw (6 1/8 "-8UNR-2AMOD) of 300MW nuclear power reactor pressure vessel is discussed.The design principles and tolerances of the screw gauge are validated through the use of production, which is reasonable The main bolt tension preload reliability.