Development of a novel arc welding process for obtaining beautiful wave-shaped weld bead.

被引：0
|
作者：
Matsuoka N. [1 ]
Kowa M. [1 ]
Komatsu T. [1 ]
Sato K. [1 ]
Fujiwara J. [1 ]
机构：
[1] Thermal Fabrication System Business Division, Panasonic, Smart Factory Solutions Co., Ltd., 3-1-1 Inazu-cho, Toyonaka City, Osaka
来源：
Keikinzoku Yosetsu/Journal of Light Metal Welding | 2020年 / 58卷
关键词：
Aluminum alloys; Arc welding process; High frequency pulse; Suppression of smut; Wave-shaped weld bead;
D O I：
10.11283/jlwa.58.38s
中图分类号：
学科分类号：
摘要：
A novel arc welding process to obtain a beautiful wave-shaped weld bead was developed for welding aluminum alloys. In order to clarify the wave-shaped weld bead, it was found that it is effective to provide an arc-OFF period between two arc-ON periods for cooling molten pool. For this reason, a pulsed arc welding with high heat input was mainly performed in this process. In addition, before the pulsed arc welding a short-circuit transfer type of arc welding by a forwardly and reversely controlled wire feeding was used to reduce spatter. When welding rigid aluminum alloys, high frequency pulse without droplet detachment was also superimposed during base current period. As a result, it was found that elimination of unevenness in weld bead, avoiding convex bead, and suppression of smut could be achieved. © 2020 Japan Light Metal Welding Association
引用
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页码：38 / 42
页数：4
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