downward welding是什么意思,downward welding的意思翻译、用法、同义词、例句
常用词典
平焊,俯焊
例句
In horizontal position welding, the gravity makes molten metal flow downward and sometimes causes weld defects such as undercut and overlap.
横向焊接时由于熔化金属重力的作用,会引起熔池金属下淌,从而产生咬边以及焊瘤等焊接缺陷。
网络扩展资料
下降式焊接
downward welding是一种焊接技术,它是指焊丝自上而下地送入焊缝并在熔化的金属上形成焊缝。这种技术通常用于焊接较厚的金属板,因为它可以在单次焊接中完成更大的面积。下降式焊接通常用于钢结构,油罐和船舶的制造。
这种焊接技术的优点是可以提高工作效率,提高焊接质量,减少焊接变形。但是,下降式焊接也有一些缺点,如焊缝横截面形状不规则,容易出现夹渣,需要更高的电流和焊丝速度。
近义词:vertical welding,downhand welding
反义词:upward welding
例句:
- The welding supervisor instructed the new worker on how to perform downward welding on the oil tanks.(焊接主管指导新工人如何在油罐上进行下降式焊接。)
- Downward welding is a common technique used for welding thick metal plates.(下降式焊接是用于焊接厚金属板的常用技术。)
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