复合喷雾加工法在切削加工过程中的冷却和润滑效果

对喷雾加工法应用于连续切削的可能性进行了探讨。复合喷雾加工法是将冷却性能很好的水形成小颗粒的水雾，并将其同微量植物油油雾同时供给切削区，以降低切削区温度，保证微量切削油的润滑性的加工方法。试验结果证明，复合喷雾加工法对于被认为对切削区供给切削油困难的连续切削，也是十分有效的加工方法。应用这种加工方法可提高加工表面的精度，改善刀具的磨损，并由此实现清洁生产方式。

The Effect of Cooling and Lubr ication of Oil-Water Combined Mist Cutting Method in Turning Operation

The mist process using small amount of cutting oil has become the most effective cutting method in interrupted cutting process, such as endmill cutting. In continuous cutting, however, the chips always cover the cutting edge of the cutting tools. The feasibility of mist process as an effective method has never been proved previously. Therefore, the purpose of this study is to investigate the potential application of mist process in continuous cutting. In particular, the so-called oil-water combined mist process method was studied. The oil-water combined mist process is to supply an oil-water combined mist that includes water and cutting oil. The heat produced in cutting process is removed from cutting edge with the vaporization of the water in oil-water combined mist. The oil in the oil-water combined mist lubricated the cutting edge of the cutting tool. Therefore, the application of the oil-water combined mist provided better cooling and lubricating capability in the mist process. The experimental results show that the oil-water combined mist process is effective for continuous cutting processes, especially in the situation that the lubricant is difficult to reach the cutting edge. This process also improves the quality of the machining surface, reduces the wear of cutting tools and provides a cleaner manufacturing environment than that of traditional continuous cutting processes.