水溶性切削液的冷却性能
Cooling performance of water soluble cutting fluid
在金属切削加工过程中，所消耗的能量，绝大部分(90%以上)都转变成切削热，它不但使刀具容易磨损，而且使工件容易产生局部烧伤或发暗，影响工

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件的表面的加工精度及加工质量。因此，要求水溶性金属切削液必须具有良好的冷却性能。
In the process of metal cutting, most of the energy consumed (more than 90%) is converted into cutting heat. It not only makes the tool easy to wear, but also makes the workpiece easy to burn or darken, which affects the machining accuracy and quality of the workpiece surface. Therefore, the water-soluble metal cutting fluid must have good cooling performanc