铣头可自动交换的高速龙门五轴加工中心设计研究

摘要

介绍了一种铣头可自动交换的桥式高速龙门五轴加工中心的总体设计方案,对国内外现有的类似机床的性能指标作了详细的对比,其中,主要阐述了机床的机械结构、特点和关键零部件的设计及选型,对三个直线轴驱动方式、两个摆动轴的驱动方式以及数控操作系统的的设计选型作了深入的分析探讨,重点介绍了大推力直线电机的应用和双摆铣头可自动交换技术的应用;为大推力直线电机的应用以及高速龙门机床的设计研究提供了重要的理论依据和实践经验.%An overall design proposal for High-Speed Gantry-Type 5-Axis Machining Center with milling head exchangeable is introduced and a detailed comparison in performance is made with the similar existing machine at home and abroad, in which mechanical structure,characteristics as well as designing and choosing of key components are expounded.Andfurther analysis and discussion are made in the drive type of three liner axis ,two rotary axis as well as the designing and choosing of CNC operating system Especially the application of high thrust linear motor and automatic-exchangeable technology of double rotary milling head are focused on, which provides important theoretical basis and practical experience for the application of high thrust linear motor,design and research of high-speed gantry-type machine.