切削不锈钢时怎样选择切削液和冷却方式？ www.tool-tool.com

Bewise Inc. www.tool-tool.com Reference source from the internet.

由于不锈钢的切削加工性较差，对切削液的冷却、润滑、渗透及清洗性能有更高的要求，常用的切削液有以下几类：

1) 硫化油：是以硫为极压添加剂的切削油。切削过程中能在金属表面形成高熔点硫化物，而且在高温下不易破坏，具有良好的润滑作用，并有一定的冷却效果，适用于一般车削、钻孔、铰孔及攻丝。硫化豆油适用于钻、扩、铰孔等工序。
直接硫化油的配方是：矿物油98%，硫2%。

间接硫化油的配方是：矿物油78%～80%，植物油或猪油18%～20%，硫1.7%。

2) 机油、锭子油等矿物油：其润滑性能较好，但冷却和渗透性较差，适用于外圆精车。

3) 植物油：如菜油、豆油等，其润滑性能较好，适用于车螺纹及铰孔、攻丝等工序。

4) 乳化液：具有较好的冷却和清洗性能。也有一定的润滑作用，可用于不锈钢粗车。

在切削加工过程中应使切削液喷嘴对准切削区，或最好采用高压冷却、喷雾冷却等冷却方式。

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