| 核电厂主管道自动焊焊前组对的工程分析与研究 |
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| 引用本文： | 董安,王恒,郭利峰.核电厂主管道自动焊焊前组对的工程分析与研究[J].核动力工程,2019,40(2):117-119. |
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| 作者姓名： | 董安 王恒 郭利峰 |
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| 作者单位： | 中国核电工程有限公司,北京,100840;中国核电工程有限公司,北京,100840;中国核电工程有限公司,北京,100840 |
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| 摘 要： | 介绍了核电厂主管道自动焊组对的重要性和存在的组对风险，以主回路焊前组对情形为研究对象，提出尺寸链封闭算法，并根据工程实际设定了初始值、约束条件和优化目标值，实现了主回路焊接组对情况的预判功能，同时进行了设计验证与工程验证，验证结果与工程实际相符。
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| 关 键 词： | 焊接 组对 主管道 公差链 |
Engineering Analysis and Research on Fit-up for Field Automatic Welding of Primary Piping in Nuclear Power Plants |
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| Abstract: | The importance of the fit-up of reactor coolant pipe?and its risk?were?analyzed. Focused on the fit-up situation of the primary piping, this paper?proposes?an algorithm for the close fit-up dimension chain, and the initial value, constraint value and optimization value were set according to actual engineering. The predicting of the fit-up situation was?realized. Meanwhile, this algorithm was tested and verified by theory and engineering. The result is consistent with?the actual value. |
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