本科论文目 录摘 要.........................................................................................................................IAbstract.....................................................................................................................II引 言........................................................................................................................11 绪论........................................................................................................................31.1 研究的目的及意义.......................................................................................31.2 离心风机的发展趋势...................................................................................41.3 离心风机的研究内容...................................................................................52 离心风机的设计方案............................................................................................72.1 离心风机的工作原理...................................................................................72.2 离心风机的传动设计...................................................................................83 离心风机的主要技术参数确定..........................................................................113.1 电机的选型计算.........................................................................................113.2 带传动的设计计算.....................................................................................153.3 联轴器选型计算.........................................................................................173.4 轴承选型计算.............................................................................................194 离心风机的强度校核..........................................................................................214.1 主轴的强度校核.........................................................................................214.2 叶轮强度校核........................................