To prolong the life of nozzle and raise the efficiency of the water jet equipment,the design of nozzles used in PMAHPWJ(pre-mixed abrasive high pressure water jet) equipment was optimized.

• 为了延长喷嘴的使用寿命,提高水射流设备的使用效率,对前混合磨料高压水射流的喷嘴结构进行了优化设计。