线锯机课程设计说明书(打印).pdfVIP

目录 一、设计要求及任务·····································3 电动线锯机的机械结构及控制电路设计························3 1.1、线锯机介绍 ···········································3 1.2 、设计数据与要求 ········································3 1.3、设计任务 ·············································3 二、前言·················································3 2.1 电动线锯机的简介·····································3 2.2 电动线锯机的研究意向·································4 2.3 电动线锯机的前景·····································4 三、概述················································· 5 3.1 电动线锯机的原理···································· 5 3.2 电动线锯机的整体结构································ 5 3.3 电动线锯机的基本特点································ 6 四、机械结构的具体设计······························· 6 4.1 电机的选择及计算···································· 6 4.2 传动系统的设计及计算 ································ 7 Ⅰ、曲柄滑块机构······································· 7 Ⅱ、凸轮滑块机构········································ 8 Ⅲ、丝杆螺母机构········································ 9 Ⅳ、齿轮齿条机构········································ 9 4.3 传动方案的选择 ······································ 9 4.4 调速系统的设计 ····································· 10 Ⅰ、调速系统的设计····································· 10 Ⅱ、调速方案的选择····································· 13 Ⅲ、圆柱齿轮的传动的设计与计算·························· 16 Ⅳ、关于轴的计算及选择································· 25 Ⅴ、滚动轴承的选择及计算 ··························· 31 1 、Ⅰ轴轴承的选择计算 ····························· 31 ○ 2 、Ⅱ轴轴承的选择计算 ····························· 34 ○ 五、三维建模········································· 35 六、设计复核··········································· 37 七、设计亮点··········································· 37 八、设计小结··········································· 38 参考文献·········································· 38