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机械设计课程设计二级减速器(详细版)

发布时间:2020-07-12 09:51

  机械设计课程设计二级减速器(详细版)_机械/仪表_工程科技_专业资料。机械设计课程设计二级减速器(详细版)

  机械设计课程设计 计算说明书 题 目 设计带式运输机传动装置两级圆锥-圆柱齿 轮减速器 专业班级 机械设计制造及其自动化 学号 xxxxx 学生姓名 xxx 指导教师 xxxxxxxxx xxxxx x年x月 x日 西安文理学院 机械设计课程设计任务书 学生姓名 xx 专业班级 机械设计制造及其自动化专业 xx 级 x 班 学 号 指导教师 xxxxxxxxx 职称 教研室 机电系机电教研室 题目 设计带式运输机传动装置 传动系统图: 编号 Z-1 ? 图一 原始数据: 运输带工作拉力 F / N 运输带工作速度 v /(m ? s ?1 ) 卷筒直径 D / mm 2500 1.4 250 工作条件: 连续单向运转,工作时有轻微振动,小批量生产,单班制工作,使用期限 8 年,运 输带速度允许误差为±5% 要求完成: 1.减速器装配图 1 张(A2)。 2.零件工作图 2 张(齿轮和轴)。 3.设计说明书 1 份,6000-8000 字。 开始日期 2010 年 12 月 06 日 完成日期 20010 年 12 月 31 日 目录 1 选择电动机 ······································································································1 1.1 电动机类型和结构型式 ···························································································1 1.2 电动机容量 ··········································································································1 1.3 电动机的转速 ·······································································································2 1.4 电动机的技术数据和外形,安装尺寸 ···········································································2 2 计算传动装置总传动比和分配各级传动比 ······························································3 2.1 传动装置总传动比 ·································································································3 2.2 分配各级传动比 ····································································································3 3 计算传动装置的运动和动力参数 ···········································································4 3.1 各轴转速 ·············································································································4 3.2 各轴输入功率 ·······································································································4 3.3 各轴转矩 ·············································································································4 4 传动件的设计计算 ·····························································································6 4.1 圆锥直齿轮设计 ····································································································6 4.1.1 选定齿轮齿轮类型、精度等级、材料及齿数 ········································································6 4.1.2 按齿面接触强度设计······································································································6 4.1.3 校核齿根弯曲疲劳强度 ···································································································8 4.1.4 几何尺寸计算····························································································

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