高压水切割机吸入式砂喷头试验研究

Testing Research on Gritting Nozzle of High Pressure Waterjet Machine

该文给出了近期研制的高压水切割机中加砂水射流喷射系统原理图及主要装置特性，重点阐述了吸入式砂喷头的均衡进砂结构及试验研究。实验结果表明采用合理的喷头，可使高压喷射系统获得良好的切割性能，并使所研制的水射流系统具有工业应用前景。文末给出了上述喷射系统切割不同材料的部分试验结果。

The paper has developed nozzle of high pressure waterjet system. Its principle and feature are introduced. Tests show that the use of properly fitted nozzle high pressure waterjet system can obtain good cutting performance, which makes the system promising in industrial application. The results of cutting test for different materials are also given.