机械设计课程设计---二级减速器

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1、目录1机械设计课程设计任务书···························31.1设计题目···························31.2设计要求···························42机械传动装置的总体设计·····················52.1选择电动机·····················52.1.1选择电动机类型·····················62.1.2电动机容量的选择·····················61.1.1电动机转速的选择·····················62传动比的分配··

2、···················73计算传动装置的运动和动力参数··············73.1各轴的转速：·····················73.2各轴的输入功率：·····················83.3各轴的输入转矩：·····················83.4整理列表：·····················84V带传动的设计计算·················84.1V带的基本参数·····················94.2带轮结构的设计·····················91齿轮的设计··············

3、······111.1齿轮传动设计（1、2轮的设计）····················111.1.1齿轮的类型·····················121.1.2齿面接触强度校核·····················131.1.3按轮齿弯曲强度设计计算·············141.1.4几何尺寸设计·····················151.1.5齿轮结构设计·····················151.2齿轮传动设计（3、4齿轮的设计）···············171.1.1齿轮的类型·····················171.1.

4、2齿面接触强度校核·····················181.1.3按轮齿弯曲强度设计计算················191.1.4几何尺寸计算·····················201.1.5齿轮结构设计·····················221.2齿轮参数表·····················232轴的设计····················242.1低速轴·····················252.1.1低速轴上的运动参数·····················251.1.1求作用在齿轮上的力·················

5、····261.1.2选取材料·····················261.1.3轴最小直径的确定·····················271.1.4拟定方案·····················271.1.5确定轴的各段直径和长度············281.1.6低速轴所受载荷及弯扭图·················291.1.7轴的强度及疲劳强度校核计算···········301.2高速轴·····················321.1.1选取材料·····················321.1.2轴最小直径的确定·············

6、········321.1.3拟定方案·····················331.1.4确定轴的各段直径和长度············331.1.5滚动轴承的选择·····················331.1.6键联接选择·····················331.2中速轴·····················331.2.1选取材料·····················341.1.1轴最小直径的确定·····················341.1.2拟定方案·····················341.1.3确定轴的各段直径和长度····

7、········341.1.4滚动轴承的选择·····················341.1.5键联接选择·····················352滚动轴承的选择与计算·····················353键联接选择及校核······················354联轴器的选择····················365机座箱体结构尺寸及附件设计·····················361.1箱体的结构设计·····················371.2附件设计···············