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重点难点 |
通用机械零部件
本篇重点内容为通用机械零、部件的工作原理、结构、特点、标准、选用和设计的基本方法。
通过学习,应达到以下基本要求:
(1)熟悉通用零件的工作原理、特点、结构;
(2)掌握通用零件的选用和设计的基本方法;
(3)初步具有与通用零件设计相关的运算、绘图及应用标准、手册等有关技术资料的能力;
(4)通过本篇学习,初步具有设计通用零件和简单机械传动装置的能力。
联 接
1.普通平键和螺纹联接的工作原理、类型、特点、应用
2.联接用零件及联接设计的思路方法以及使用、维护应注意的问题
轴系零、部件
1.轴的功用、类型,轴的结构设计应解决的问题和设计方法;
2.轴材料及热处理选择原则以及强度计算方法;
3.滚动轴承的功用、构造、代号、标准、类型选择原则;
4.滚动轴承的受力情况、失效形式、设计准则、尺寸选择方法以及组合设计;
5.联轴器、离合器的类型、工作原理、特点及选用。
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