101零件的分举。零件图的内容 10.2零件构形设计与表达方案的选择 分四类零件介绍其视图表达的特点，主视图的选择原则 10.3零件图的尺寸标注 零件图尺寸基准的选择，零件图尺寸标注应注意的问题。 10.4零件图上的技术要求 表而结物。公美与配合。形位公美 10.5零件测绘方法 10.6看零件图的方法 第十一章标准件与常用件 本章重点难点：螺纹的标记与画法，直齿圆柱齿轮的参数计算与画法 11.1螺纹及其规定画法和标注 螺栓连接、双头螺柱连接、螺钉连接的画法。 11.3键、销及其连接画法 11.4齿轮、蜗杆、蜗轮 直货圆柱齿轮的画法 1.5滚动轴承 弹簧 第十二章装配图 本章重点难点：装配图的表达，拆画零件图。 12.1装配图的内容 122装配图的表达方法 12.3装配图上的尺寸标注和技术要求 12.4装配图中零件的序号 12.5装配工艺结构 12.6部件测绘和装配图画法 127读装配图与拆画零件图 The task and learning methods of the course are introduced. Chapter 1 projection of geometric elements Key points in this chapter:taking points on the straight line,taking points on the lane,taking the line. 1.1 projection of point Basic knowledge of projection,projection of a point. 1.2 projection of lines Projection of several kinds of lines,the right triangle method,the point on line,the elative position of two lines. 1.3projection of planes A projection of various position planes,points and linesona plane Chapter 2:the relative position of points,lines and planes Key points in this chapter:rectangular projection theorem,and the comprehensive 2.1 parallel problem Intersection of two lines,intersecting point between a line and a plane 2.3 vertical problem Vertical relationship between two lines,a line and a plane,two planes,rectangular iection theorem10.1 零件的分类，零件图的内容 10.2 零件构形设计与表达方案的选择 分四类零件介绍其视图表达的特点，主视图的选择原则。 10.3 零件图的尺寸标注 零件图尺寸基准的选择，零件图尺寸标注应注意的问题。 10.4 零件图上的技术要求 表面结构，公差与配合，形位公差。 10.5 零件测绘方法 10.6 看零件图的方法 第十一章 标准件与常用件 本章重点难点：螺纹的标记与画法，直齿圆柱齿轮的参数计算与画法。 11.1 螺纹及其规定画法和标注 介绍螺纹的要素，各种螺纹的画法及标记代号含义及其标注。 11.2 螺纹紧固件及其连接画法 螺栓连接、双头螺柱连接、螺钉连接的画法。 11.3 键、销及其连接画法 11.4 齿轮、蜗杆、蜗轮 直齿圆柱齿轮的画法。 11.5 滚动轴承，弹簧 第十二章 装配图 本章重点难点：装配图的表达，拆画零件图。 12.1 装配图的内容 12.2 装配图的表达方法 12.3 装配图上的尺寸标注和技术要求 12.4 装配图中零件的序号 12.5 装配工艺结构 12.6 部件测绘和装配图画法 12.7 读装配图与拆画零件图 Introduction The task and learning methods of the course are introduced. Chapter 1 projection of geometric elements Key points in this chapter: taking points on the straight line, taking points on the plane, taking the line. 1.1 projection of points Basic knowledge of projection,projection of a point. 1.2 projection of lines Projection of several kinds of lines, the right triangle method, the point on line, the relative position of two lines. 1.3 projection of planes A projection of various position planes, points and lines on a plane. Chapter 2: the relative position of points, lines and planes Key points in this chapter: rectangular projection theorem, and the comprehensive practice. 2.1 parallel problem 2.2 intersection problem Intersection of two lines, intersecting point between a line and a plane. 2.3 vertical problem Vertical relationship between two lines, a line and a plane, two planes, rectangular projection theorem