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dong che zu lv he jin hou ban bao ban da jie mig han jie gong yi yan jiu
Author(s): 
Pages: 23-25
Year: Issue:  2
Journal: Welding Technology

Keyword:  铝合金焊塌焊穿MIG焊工艺参数;
Abstract: 在对高速动车组铝合金车体薄板进行MIG焊时容易产生焊塌、焊穿缺陷,严重影响了车体的焊接质量.文中分析了铝合金薄板厚板搭接焊缝出现焊穿、焊塌等问题的原因,通过研究发现:采用合理的焊接电流、正确的焊接方向、适当的预热温度和合适的操作方法,可以有效防止薄板与厚板搭接MIG角焊缝焊穿、焊塌等缺陷的产生,提高了产品焊接质量,降低了生产成本.
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