毕业设计说明书论文QQ36296518原创通过答辩目录全自动咖啡机的设计.............................................................................................................1摘要.........................................................................................................................................11绪论.....................................................................................................................................21.1咖啡机的历史............................................................................................................21.2国内咖啡机发展现状................................................................................................31.3课题的意义及目的....................................................................................................42总体方案设计.....................................................................................................................42.1咖啡机的工作原理....................................................................................................42.2研磨机构设计............................................................................................................52.2.1方案设计及原理..............................................................................................52.2.2磨盘的选择与计算..........................................................................................72.2.3磨豆电机的计算与选择..................................................................................72.2.4电机输出轴的强度校核..................................................................................82.2.5键的选用与校核..............................................................................................82.2.6送粉电机与送粉螺旋轴..................................................................................82.2.7联轴器..............................................................................................................92.2.8调节齿轮与调节齿..........................................................................................92.2.9螺钉与螺纹的选用........................................................................................102.2.10调节齿轮的精度..........................................................................................122.3液压系统的设计......................................................................................................132.3.1液压系统原理................................................................................................132.3.2泵的选择与计算............................................................................................142.3.3其他液压元件的选择....................................................................................142.4酿造器的设计..........................................................................................................153控制部分方案的设计.......................................................................................................163.1全自动咖啡机控制系统方案基本原理..................................................................163.2电源..........................................................................................................................173.2.1电源的作用与组成..............................................................
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