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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part E. Journal of Process Mechanical Engineering >Mechanism of online dressing for micro-diamond grinding wheel during the ultrasound-aided electrolytic in-process dressing grinding
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Mechanism of online dressing for micro-diamond grinding wheel during the ultrasound-aided electrolytic in-process dressing grinding

机译：微金刚石磨轮在超声波辅助电解在工艺敷料研磨过程中的机制

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摘要

A high-precision continuous dressing technology, namely ultrasound-aided electrolytic in-process dressing method, was proposed in this paper, aiming at overcoming the difficulty in continuous dressing for fine diamond wheel during the super mirror processing, such as optics and aeronautics. Firstly, the influence of high-frequency ultrasonic vibration on electrolysis was analyzed on the basis of the mechanism of electrolysis. Then, the compared tests between the common electrolytic in-process dressing grinding and the ultrasound-aided electrolytic in-process dressing grinding of the grinding wheel were employed to observe the effect of dressing and the state of abrasive particle. It was found experimentally that under the latter dressing, the better dressing effect could be gained, and the number of abrasive particle per unit area, the sharpness of abrasive and the average grain protrude height were improved; meanwhile, the distribution of grains become more uniform. In addition, compared with the former dressing, the average distance between grains was decreased, and the microscopic roughness of grinding wheel physiognomy was increased in the latter dressing. Finally, the grinding experiment was carried out to illustrate the advantages of the ultrasound-aided electrolytic in-process dressing grinding. The experimental results revealed that the removal rate and machining surface quality were increased compared with the common electrolytic in-process dressing grinding.
机译：本文提出了一种高精度连续敷料技术，即超声波辅助电解于工艺敷料方法，旨在克服在超级镜和航空等超级镜像加工过程中连续钻石轮的难度敷料。首先，在电解机制的基础上分析了高频超声波振动对电解的影响。然后，采用砂轮的常见电解机敷料研磨和超声波辅助电解在研磨轮的超声波辅助电解敷料之间的比较试验来观察敷料和磨粒状态的效果。实验发现，在后一种敷料下，可以获得更好的敷料效果，并且每单位面积的磨粒的数量，磨料的锐度和平均谷物突出高度得到改善;同时，谷物的分布变得更加均匀。另外，与前敷料相比，谷物之间的平均距离降低，后者敷料中砂轮地理学的微观粗糙度增加。最后，进行了研磨实验，以说明超声波辅助电解于工艺敷料研磨的优点。实验结果表明，与普通电解于工艺敷料研磨相比，去除率和加工表面质量增加。

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