减速器设计说明书

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目 录
-、设计任务书及总体分析··········································1
二、各主要部件选择···················································1
三、电动机选择·························································2
四、传动装置总传动比的确定及各级传动比的分配············2
4.1计算总传动比·························································2
4.2合理分配各级传动比··················································2
五、算传动装置的运动和动力参数·································3
5.10轴（电机轴）输入功率、转速、转矩·································3
5.2Ⅰ轴（输入轴）输入功率、转速、转矩·································3
5.3Ⅱ轴（中间轴）输入功率、转速、转矩·································3
5.4Ⅲ轴（输出轴）输入功率、转速、转矩·································3
5.5 Ⅳ轴（滚筒轴）输入功率、转速、转矩································4
六、V带传动设计·······················································4
6.1带传动设计要求·······················································4
6.2V带传动设计计算······················································4
七、高速级齿轮传动设计··············································7
7.1选择齿轮类型、精度等级、材料及齿数································7
7.2 按齿面接触强度设计··················································7
7.3按齿根弯曲强度计算···················································9
7.4高速级齿轮几何尺寸计算·············································11
八、低速级齿轮传动设计·············································12
8.1选择齿轮类型、精度等级、材料及齿数·······························12
8.2 按齿面接触强度设计·················································12
8.3按齿根弯曲强度计算··················································14
8.4高速级齿轮几何尺寸计算·············································16
九、输入轴及其轴承、键的设计····································17
9.1确定轴的材料及初步确定轴的最小直径································17
9.2轴的结构设计·························································18

9.3轴的受力分析·························································19
9.4轴的强度校核·························································21
9.5键的强度校核·························································21
9.6轴承的寿命校核·······················································22
十、输出轴及其轴承、键的设计·····································22
10.1确定轴的材料及初步确定轴的最小直径·······························22
10.2轴的结构设计························································23
10.3轴的受力分析························································25
10.4轴的强度校核························································26
10.5键的强度校核························································27
10.6轴承的寿命校核······················································27
十-、中间轴及其轴承、键的设计·································28
11.1确定轴的材料及初步确定轴的最小直径·······························28
11.2轴的结构设计························································29
11.3轴的受力分析························································30
11.4轴的强度校核························································32
11.5键的强度校核························································33
11.6轴承的寿命校核······················································33
十二、润滑与密封·······················································34
12.1润滑方式的选择······················································34
12.2密封方式的选择······················································34
12.3润滑油的选择·························································34
十三、箱体结构尺寸····················································34
十四、主要附件及作用形式···········································35
14.1通气器································································35
14.2 窥视孔和视孔盖······················································35
14.3 油标尺油塞···························································36
14.4油塞··································································36
14.5定位销································································36
14.6启盖螺钉·····························································36
十五、设计总结···························································36
十六、参考文献···························································37