本科论文目 录摘 要....................................................................................................................IAbstract.....................................................................................................................II引 言...................................................................................................................11 塑料管材挤出机....................................................................................................21.1 挤出机介绍.................................................................................................21.2 挤出机分类.................................................................................................31.3 挤出机的现状及研究趋势.........................................................................31.4 研究内容.....................................................................................................42 塑料管材挤出机整体设计...................................................................................52.1 塑料管材挤出机工作原理及其特性.........................................................52.2 塑料管材挤出机主要技术参数和规格.....................................................52.3 塑料管材挤出机结构设计构思.................................................................73 塑料管材挤出机主要零部件设计........................................................................83.1 挤出机电机的选择....................................................................................83.2 带传动设计................................................................................................83.3 齿轮减速器设计......................................................................................103.4 螺杆设计..................................................................................................223.5 机筒设计..................................................................................................283.6 ...
