Exploring a new method to obtain the 3D abrasive water jet profile
Exploring a new method to obtain the 3D abrasive water jet profile
复制标题
探索获取3D磨料水射流轮廓的新方法
DOI：
10.1007/s00170-020-05185-1
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发表时间：
2020-05-07
影响因子：
3.4
通讯作者：
Zhou, Wenkang
中科院分区：
文献类型：
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作者：
Zhang, Shijin;Ji, Lidanyang;Zhou, Wenkang
当与磨料颗粒结合在一起的高压水从喷嘴出来时，形成高能磨料水射流束。而这种高能水射流，可以作为一把锋利的刀，切割各种材料。与刚性刀的轮廓固定不同，这种高能束的轮廓随着切割参数的变化而变化。因此，如果要用这把刀精确地切割工件，就必须找出每一组切割条件下的刀具轮廓。此外，基于射流轮廓，必须对射流轮廓进行补偿。在以往的研究中，一般都是先建立射流切割切口轮廓的二维模型，然后在此基础上对射流进行补偿。然而，使用2D模型来描述3D轮廓绝对是不够的。本文提出了一种通过扫描完整样品生成三维切口轮廓的新方法。利用该方法，可以通过切缝轮廓得到各种切割条件下磨料水射流的完整三维轮廓。有了这些精确的3D磨料水射流轮廓，未来可以更好地补偿切割误差。
As high-pressure water combined with abrasive particles together comes out from a nozzle, a high-energy abrasive water jet beam is formed. And this high-energy water jet beam could be used as a sharp knife to cut all types of material. Different from a rigid knife, whose profile is fixed, this high-energy beam’s profile is changing as the cutting parameters change. Therefore, if this knife is used to cut a workpiece accurately and precisely, the knife’s profile under each set of cutting conditions has to be searched out. And further, based on the jet profile, compensation on the jet profile has to be carried out. In the past, a 2D model for the kerf profile cut by jet has been built; then, compensation on the jet based on the 2D model of the kerf profile has been carried out. However, using a 2D model to describe a 3D profile is definitely not enough. In this paper, a new method generating a 3D kerf profile through scanning an integrated sample has been provided. With this method, complete 3D abrasive water jet profiles under each cutting conditions could be obtained through the kerf profiles. With these precise 3D abrasive water jet profiles, better compensating the cutting errors becomes possible in future.