The composing and principle of an abrasive water jet test worktable were introduced.Damage mechanism of abrasive water jet was analyzed.Structure and part parameters of spray system were given out.

• 介绍了磨料水射流试验工作台的系统组成及其工作原理,通过分析磨料水射流加工的工作机理给出了喷射系统的结构及部分参数。