项目一 气压传动概述······················································································ 1__eol__任务一 认识气动系统················································································ 1__eol__一、气动系统的工作原理······································································· 1__eol__二、气动系统的组成············································································· 3__eol__任务二 气动系统的特点············································································· 3__eol__一、气压传动的优点············································································· 4__eol__二、气压传动的缺点············································································· 4__eol__任务三 气压与液压传动的发展及应用 ·························································· 4__eol__练习题····································································································· 5__eol__项目二 气压传动基础知识················································································ 6__eol__任务一 空气的物理性质············································································· 6__eol__一、空气的组成··················································································· 6__eol__二、空气的压力··················································································· 6__eol__三、空气的密度··················································································· 7__eol__四、空气的黏性··················································································· 7__eol__五、空气的湿度··················································································· 8__eol__六、空气的可压缩性和膨胀性 ································································ 9__eol__任务二 气体的状态方程············································································· 9__eol__一、理想气体的状态方程······································································· 9__eol__二、气体状态变化方程········································································ 10__eol__练习题··································································································· 11__eol__项目三 气源装置及辅助元件··········································································· 12__eol__任务一 气源装置···················································································· 12__eol__一、气源装置的作用和工作原理 ··························································· 12__eol__二、空气压缩机················································································· 13__eol__三、气源净化装置·············································································· 14__eol__任务二 辅助元件···················································································· 17__eol__一、油雾器······················································································· 17__eol__二、消声器······················································································· 18__eol__三、气-液转换器 ··············································································· 19__eol__练习题··································································································· 20__eol__项目四 气动执行元件···················································································· 21__eol__任务一 气缸·························································································· 21__eol__一、气缸的分类················································································· 21__eol__二、几种常见的气缸··········································································· 22__eol__任务二 气压马达···················································································· 25__eol__一、气压马达的工作原理····································································· 25__eol__二、气压马达的选用原则及使用要求 ····················································· 26__eol__练习题··································································································· 26__eol__项目五 气动控制元件···················································································· 27__eol__任务一 方向控制阀···························································