| 蒸汽轮机自带冠静叶隔板瞬时焊接变形研究 |
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| 引用本文： | 殷安康,张建勋,黄勇,裴怡,张忠文.蒸汽轮机自带冠静叶隔板瞬时焊接变形研究[J].电焊机,2002,32(9):7-10. |
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| 作者姓名： | 殷安康 张建勋 黄勇 裴怡 张忠文 |
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| 作者单位： | 1. 东方汽轮机厂,四川,汉旺,618201
2. 西安交通大学,焊接研究所,陕西,西安,710049 |
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| 基金项目： | 东方汽轮机厂资助项目，， |
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| 摘 要： | 在实际生产中发展蒸汽轮机的自带冠静叶隔板焊接后节圆径向变形过大，严重影响了静叶隔板通流尺寸的精度。深入研究自带冠静叶隔板的焊接变形对于提高整个机组的效率具有重要的意义。本研究针对蒸汽轮机自带冠静叶隔板生产过程中产生的焊接变形过大问题，通过对蒸汽轮机自带冠静叶隔板进行现场跟踪监测，获得了实际生产中的瞬时焊接变形数据，根据监测数据对自带冠静叶隔板的节圆直径变形、半径变形、节圆收缩率和倾斜变形进行了全面分析，提出了优化和减小焊接变形的设计及工艺措施。
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| 关 键 词： | 蒸汽轮机 自带冠静叶隔板 焊接变形 监测 |
| 文章编号： | 1001-2303(2002)09-0007-04 |
Study on the instantaneous welding distortion of diaphragm in steam turbine |
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| YIN An-kang ,ZHANG Jian-xun ,HUANG Yong ,PEI Yi ,ZHANG Zhong-wen.Study on the instantaneous welding distortion of diaphragm in steam turbine[J].Electric Welding Machine,2002,32(9):7-10. |
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| Authors: | YIN An-kang ZHANG Jian-xun HUANG Yong PEI Yi ZHANG Zhong-wen |
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| Affiliation: | YIN An-kang 2,ZHANG Jian-xun 1,HUANG Yong 2,PEI Yi 1,ZHANG Zhong-wen 2 |
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| Abstract: | The records of welding distortion are obtained through measuring the diaphr agm with coroneted blades in steam turbine in production site,which influence t he precise of diaphragm size heavily.The welding distortion of the diaphragm in radius,circumferential and axial direction is analyzed with the recorded-data .The process measures for reducing the welding distortion are applied in produc tion primely. |
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| Keywords: | diaphragm with coroneted blades welding distortion measure |
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