V带轮设计说明书下载_Word模板_10

.--.word.zl.....学习.资料.机械设计根底课程设计说明书设计题目V带传动设计设计组员亚霖、吴郅君、玲玲、乐、万学赟院系机电工程学院专业电气工程及其自动化指导教师原.--.word.zl目录设计任务书··········································································································3V带传动设计1.确定计算功率········································································································32.选择V带的带型···································································································33.确定V带的基准直径并验算带速·····································································34.确定V带的中心距和基准长度····································································45.验算小带轮上的包角········································································46.计算带的根数·········································································57.计算带对轴的作用力··············································································5V带轮构造设计1.V带轮的材料··························································································52.V带轮的构造形式·······························································63.V带轮的槽型··············································································64.V带轮的尺寸······································································6小带轮装配图····································································································6参考文献··············································································································6设计任务书1.题目：设计由电动机驱动鼓风机的V带传动。如图1所示为传动机构造简图，主动带轮1直接装在电动机轴上，从动轮2装在鼓风机轴上，两带轮中心的水平距离a约于大带轮直径d2的2倍。图12.V带传动设计的原始数据如下：作业题号鼓风机主轴转速n2电动机型号额定功率p/kw满载转速n1主轴直径D/mm主轴轴长E/mm一天工作时间/h5650Y160M-411146042110163.V带传动设计容选择V带的型号、长度、根数；V带轮的直径、包角、带速；V带传动的中心距，V带对轴的作用力等。二、V带传动设计设计计算及说明1.确定计算功率由参考文献[1]表6-4查得工作情况系数，故2.选择V带的带型根据,,由参考资料[1]表6-8选用B型带。3.确定带轮的基准直径并验算带速1)初选小带轮基准直径由参考资料[1]表6-5和表6-6，取小带轮的基准直径。2)验算带速v因为5m/s

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