关于减速器的计算.doc

机械设计课程设计计算说明书 设计题目：二级展开式圆柱齿轮减速器 设计者： 指导教师： 年 月 日 目 录 一、设计任务书·········································································3 二、整体结构及电动机的选择 一、电机和工作机的安装位置·························································3 二、选择电动机············································································4 三、运动和动力参数的计算 一、分配传动比·····································································5 二、计算传动装置的运动和动力参数·········································5 四、齿轮的设计计算 一、高速级齿轮的设计与校核·························································6 二、低速级齿轮的设计与校核························································10 五、箱体的结构尺寸确定 ······················································13 六、轴、联轴器、轴承的设计 一、最小轴径的确定····································································14 二、联轴器的选择 ···································································14 三、轴承的选择··········································································14 四、轴承润滑方式的选择····························································15 五、轴的结构设计········································································15 七、轴的校核 一、高速轴校核············································································17 二、中间轴校核··········································································18 三、低速轴校核··········································································19 八、轴承使用寿命校核 ····························································21 九、键的校核 ·········································································21 十、参考资料 ·········································································22 设计任务书 课题：减速器传动装置分析设计 课程设计的目的 1）通过机械设计课程设计，综合运用机械设计课程和其它有关选修课程的理论和生产实际知识去 分析和解决机械设计问题，并使所学知识得到进一步地巩固、深化和发展。 2）学习机械设计的一般方法。通过设计培养正确的设计思想和分析问题、解决问题的能力。 3）进行机械设计基本技能的训练，如计算、绘图、查阅设计资料和手册，熟悉标准和规范。 三、 课程设计内容 1）传动装置的总体设计。 2）传动件及支承的设计计算。 3）减速器装配图及零件工作图。 4）设计计算说明书编写。 四、 工作要求 1） 部件装配图一张（A1）； 2） 零件工作图两张（A3）； 3） 对传动系统进行结构分析、运