本科论文目 录摘 要.....................................................................................................................IAbstract................................................................................................................II1 绪论....................................................................................................................11.1 浅谈石材加工机械国内外现状.............................................................11.2 石材加工机械前景.................................................................................12 石材桥式切机的工作原理................................................................................22.1 切机的总体构成.....................................................................................22.2 升降主运动系统.....................................................................................32.3 传动系统.................................................................................................32.4 控制系统.................................................................................................42.5 液压缸设计.............................................................................................52.5.1 液压缸的类型和多部分结构的选择..........................................52.5.2 确定基本参数..............................................................................52.5.3 液压缸强度和稳定性校核..........................................................73 桥式切边机的总体设计....................................................................................93.1 电动机的选择计算.................................................................................93.1.1 主电动机的选择计算..................................................................93.1.2 步进电机的选择计算..................................................................93.2 工作支架的设计...................................................................................103.3 ...
