运载火箭贮箱焊接过程多余物控制研究

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张聃, 汤化伟, 夏佩云, 等. 运载火箭贮箱焊接过程多余物控制研究[J]. 电焊机, 2019,49(1):89-91. DOI：

ZHANG Dan, TANG Huawei, XIA Peiyun, et al. Research on remainder control in welding process of launch vehicle tank[J]. Eletric Welding Machine2019, 49(1): 89-91. DOI：

针对贮箱生产过程的关键环节——焊接

开展焊前激光清洗技术研究

减少焊前表面处理所产生的多余物;同时开展焊后近封闭式打磨技术研究

提升背部焊漏打磨的多余物吸除效果

减少多余物残留。结果表明

焊前激光清洗过程无铝屑及粉尘等多余物产生

且清洗速度在400～600 mm/min时

所获焊缝外观、内部质量良好

且抗拉强度与人工刮削所获焊缝保持一致;焊后近封闭式打磨技术

有效吸除背部焊漏打磨所产生的多余物

打磨后无肉眼可见多余物。

Aimed at key links of tank production process-welding

researched laser cleaning technology before welding

reduced the remainder by surface treatment before welding;researched nearly closed sanding technology for welding at the same time

improved the suction effect of welding leakage sanding

reduced remainder residue. The results show that:there are no aluminum dust and other dust in the laser cleaning process before welding

when the cleaning speed is at 400～600 mm/min

the weld appearance and internal quality is good

and The tensile strength is consistent with the weld joints by manual scraping;nearly closed sanding technology after welding

effectively suck the remainder from welding leakage sanding

no remainder visible to human eye after sanding.

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