基于飞秒激光的喷油嘴喷孔加工技术研究  

Research on Machining Technology of Nozzle Hole Based on Femtosecond Laser

作　　者：宋国民[1] 周峰[1] 吴欲龙[1] 张丽敏[1] Song Guomin;Zhou feng;Wu Yulong;Zhang Limin(FAW Wuxi Fuel Injection Equipment Research Institute,Wuxi 214063)

机构地区：[1]中国一汽无锡油泵油嘴研究所,无锡214063

出　　处：《汽车工艺与材料》2021年第8期23-27,共5页Automobile Technology & Material

基　　金：国家重点研发计划(2018YFB1108003)。

摘　　要：介绍了飞秒激光加工技术原理,研究了飞秒激光在喷油嘴喷孔加工中的应用,重点分析不同填充材料在微小腔体环境下的激光对壁保护工艺。通过飞秒激光微孔加工工艺的研究,拓展了飞秒激光作为一种冷加工方法的应用范围,从而为发动机燃油喷射系统性能提升提供了可行的工艺路线。This paper introduces the principle of femtosecond laser processing technology,and studies the application of femtosecond laser on nozzle hole processing,with emphasis on the analysis of laser wall protection technology of different filling materials for micro cavity environment.Application scope of femtosecond laser as a cold processing method is expanded through the research of femtosecond laser micro hole processing technology,which provides a feasible processing route for improving performance of fuel injection system.

关 键 词：飞秒 喷油嘴 对壁保护 燃油喷射 

分 类 号：TH162[机械工程—机械制造及自动化]