[1]魁国祯,王常建,贺永海,等.固体发动机金属壳体空间曲线焊缝焊接变形控制[J].焊管,2019,42(6):38-42.[doi:10.19291/j.cnki.1007-3938.2019.6.007]
 KUI Guozhen,WANG Changjian,HE Yonghai,et al.Control of Solid Rocket Motor Metal Shell Space Curve Weld Deformation[J].,2019,42(6):38-42.[doi:10.19291/j.cnki.1007-3938.2019.6.007]
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固体发动机金属壳体空间曲线焊缝焊接变形控制()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第6期
页码:
38-42
栏目:
应用与开发
出版日期:
2019-06-28

文章信息/Info

Title:
Control of Solid Rocket Motor Metal Shell Space Curve Weld Deformation
文章编号:
10.19291/j.cnki.1007-3938.2019.6.007
作者:
魁国祯王常建贺永海刘丽莉
西安航天动力机械有限公司, 西安 710025
Author(s):
KUI GuozhenWANG ChangjianHE YonghaiLIU Lili
Xi’an Aeroflight Power Machinery Co., Ltd., Xi’an 710025, China
关键词:
焊接空间曲线焊缝焊接变形控制TIP TIG焊接
Keywords:
weldingspace curve weldwelding deformation controlTIP TIG welding
分类号:
TG113.263
DOI:
10.19291/j.cnki.1007-3938.2019.6.007
文献标志码:
B
摘要:
为了解决金属壳体空间曲线焊缝变形,导致吊挂结构下塌、壳体形状精度超差等问题,从空间曲线焊缝焊接变形的角度出发,分析变形产生的原因,制定变形控制措施。分析认为影响变形的因素主要有吊挂结构非对称、固体发动机金属壳体薄壁弱刚性等结构因素和焊接顺序、焊接热输入量等工艺因素。并通过经验总结、数值模拟、工艺试验等手段,确定了预留抬高量、使用刚性工装、优化焊接顺序、采用TIP TIG焊接等控制措施。经过试验验证,上述措施可有效减小空间曲线焊缝焊接变形。
Abstract:
In order to solve the problems that the metal shell with space curve weld is prone to the suspended structure collapse and the shape accuracy which is out of tolerance,the causes of deformation are analyzed and the deformation control measures are developed from the perspective of the welding deformation of space curve weld. The analysis shows that the main influencing factors of deformation are the asymmetry of suspended structure,the thin-wall and the weak rigidity of the solid engine metal shell,the welding sequence,the welding heat input and other technological factors. Through the experience summary,numerical simulation and process test,the control measures such as reserved height,rigid tooling,welding sequence optimization and TIP TIG welding are determined. The experimental results show that the measures above can effectively reduce the deformation of space curve weld.

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备注/Memo

备注/Memo:

收稿日期:2019-01-23

作者简介:魁国祯(1989—),男,焊接工程师,主要从事固体火箭发动机焊接工艺等工作。

更新日期/Last Update: 2019-07-02