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机械设计制造及其自动化专业2011届
机械设计（基础）课程
程设计计算说明书
二级圆锥圆柱齿轮减速器
专业班级： 机械1101班
姓 名： 蓝英必
学 号： 20114410121
指导教师： 王剑彬
2014年6月2号
目录
一、设计任务························································4
1.1任务要求····················································4
1.2转动方案····················································4
1.3原始数据····················································4
传动方案的拟定以及说明··········································5
电动机的选择与传动装置运动和动力参数的计算······················6
3.1 电动机的选择················································6
1电动机类型的选择··········································6
2电动机容量的选择··········································6
3确定电动机的转速··········································6
3.2传动装置总传动比的计算和各级传动比的分配····················7
1传动装置总传动比··········································7
2分配各级传动比············································7
3.3计算传动装置的运动和动力参数································7
1各轴转速··················································7
2各轴输入功率··············································8
4各轴转矩··················································8
四、传动零件的设计计算·············································9
4.1、直齿圆锥齿轮传动的设计计算································9
1选定齿轮精度等级、材料及齿数······························9
2按齿面接触疲劳强度设计····································9
3按齿根弯曲疲劳强度设计···································11
4几何尺寸计算·············································14
4.2、斜齿圆柱齿轮的传动的设计计算·····························14
1选定齿轮精度等级、材料及齿数·····························14
2按齿面接触疲劳强度设计···································15
3按齿根弯曲疲劳强度设计···································18
4几何尺寸计算·············································21
五、轴的计算······················································21
5.1输入轴（I轴)的设计········································21
1求输入轴上的功率、转速和转矩·······················21
2求作用在齿轮上的力·············
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