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机械设计——减速器齿轮箱_设计手册(DOC33页)VIP免费

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第1页共35页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共35页机械设计课程设计二级直齿圆柱齿轮减速器学院:专业:班级:学号:姓名:第2页共35页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共35页目录一、传动方案的确定···················3二、电动机的选择····················52.1电动机类型和结构形式选择············52.2确定电动机功率···················52.3确定电动机型号滚筒工作转速·············5三、计算总传动比及分配各级的传动比············53.1计算总传动比····················53.2分配各级传动比···················6四、运动参数及动力参数及传动零件的设计计算········64.1、计算各轴转速····················64.2、计算各轴的功率···················64.3、计算各轴的扭矩···················6五、带的设计计算····················75.1、确定计算功率Pca··················75.2、选择V带的带型···················75.3、确定带轮的基准直径dd=及验算带速v·······75.4、根据V带的中心距和基准长度Ld············75.5、验算小带轮上的包角·················75.6、计算带的根数··················75.7、计算单根V带的初拉力的最小值··········85.8、计算压轴力··················85.9、带轮结构设计··················8六、齿轮的设计计算··················9第一对齿轮:6.1、选定齿轮类型、精度等级、材料及齿数········96.2、按齿面接触强度设计················106.3、计算相关数值···················10第3页共35页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第3页共35页6.4、按齿根弯曲强度设计················116.5、设计计算·····················126.6、齿轮结构设计···················13第二对齿轮6.7、选定齿轮类型、精度等级、材料及齿数········146.8、按齿面接触疲劳强度设计··············146.9、确定公式数值···················146.10计算相关数值···················156.11按齿根弯曲强度设计················166.12设计计算·····················166.13齿轮结构设计···················18七、轴的设计及强度校核··············`··187.1、轴的选材·····················187.2、各轴最小直径估算·················187.3、装配工作底图的设计················197.4、高速轴的结构设计及强度校核·············197.5、中速轴的结构设计及强度校核·············237.6、低速轴的结构设计及强度校核·············267.7、轴承润滑方式确定················30八、键联接的选择及校核计算·················308.1、高速轴(A型键)···················308.2、中速轴(A型键)···················308.3、低速轴(A型键)···················31九、设计小结·················``·····32十、参考资料························32第4页共35页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第4页共35页计算及说明主要结果一.传动方案的确定传动装置选用V带传动和闭...

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机械设计——减速器齿轮箱_设计手册(DOC33页)

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