The article talks about crank crack of shearing machine caused by flakes through testing tower-shaped texture and fracture, dipping in less-acid solution and analyzing its microstructure.
分别进行了塔形发纹检验、显微组织分析、低倍酸浸试验及断口试验分析，确定出该曲轴中的主要缺陷为“白点”。
This machine comes with a micro knob for fast adjustment of tin dipping depth by lifting the tin cup up for precise dipping depths.
本机以快速微调钮旋转方式调整点沾之深度，并也可调整小锡杯升起高度，使点沾度达到更准确。
When dipping tin. the tin cup in this machine raises automatically. An automatic wiper is provided to remove tin chips from tin bath.
沾锡时小锡杯会自动升起，锡面上锡屑并设计有自动排除干净之功能，使沾锡处无锡屑之情形。
When dipping tin. the tin cup in this machine raises automatically. An automatic wiper is provided to remove tin chips from tin bath.
沾锡时小锡杯会自动升起，锡面上锡屑并设计有自动排除干净之功能，使沾锡处无锡屑之情形。
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