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PAGE-33-页共NUMPAGES33页第PAGE\*MERGEFORMAT-33-页共NUMPAGES\*MERGEFORMAT33页机械行业必备知识（学习是成功的利器）机械人才们加油整理完成于2012.9.20整理人：张杰目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc335905087"第一章机械制图国家标准PAGEREF_Toc335905087\h3HYPERLINK\l"_Toc335905088"1.1图纸幅面和格式PAGEREF_Toc335905088\h4HYPERLINK\l"_Toc335905089"1.1.1图纸幅面PAGEREF_Toc335905089\h4HYPERLINK\l"_Toc335905090"1.1.2图框格式PAGEREF_Toc335905090\h5HYPERLINK\l"_Toc335905091"1.1.3标题栏的方位PAGEREF_Toc335905091\h9HYPERLINK\l"_Toc335905092"1.1.4其他PAGEREF_Toc335905092\h9HYPERLINK\l"_Toc335905093"1.2标题的规定PAGEREF_Toc335905093\h10HYPERLINK\l"_Toc335905094"1.3图线、字体和比例PAGEREF_Toc335905094\h12HYPERLINK\l"_Toc335905095"1.3.1图线线宽的规定PAGEREF_Toc335905095\h12HYPERLINK\l"_Toc335905096"1.3.2图线颜色的规定PAGEREF_Toc335905096\h12HYPERLINK\l"_Toc335905097"1.3.3字体的国际规定PAGEREF_Toc335905097\h13HYPERLINK\l"_Toc335905098"1.3.4比例的国际规定PAGEREF_Toc335905098\h14HYPERLINK\l"_Toc335905099"1.4机械制图中的尺寸标注PAGEREF_Toc335905099\h15HYPERLINK\l"_Toc335905100"1.4.1尺寸标注基本要求与规则PAGEREF_Toc335905100\h15HYPERLINK\l"_Toc335905101"1.4.2尺寸的组成PAGEREF_Toc335905101\h16HYPERLINK\l"_Toc335905102"1.5机械制图中特有的标注符号PAGEREF_Toc335905102\h18HYPERLINK\l"_Toc335905103"1.5.1表面粗糙度PAGEREF_Toc335905103\h18HYPERLINK\l"_Toc335905104"1.5.2形位公差PAGEREF_Toc335905104\h18HYPERLINK\l"_Toc335905105"第二章机械剖视图的绘制PAGEREF_Toc335905105\h19HYPERLINK\l"_Toc335905106"2.1剖视图基础PAGEREF_Toc335905106\h20HYPERLINK\l"_Toc335905107"2.2剖视图的一般绘制方法PAGEREF_Toc335905107\h20HYPERLINK\l"_Toc335905108"2.3剖面线的标注PAGEREF_Toc335905108\h22HYPERLINK\l"_Toc335905109"2.4全剖视图的绘制PAGEREF_Toc335905109\h23HYPERLINK\l"_Toc335905110"2.4.1单一剖切面剖切PAGEREF_Toc335905110\h23HYPERLINK\l"_Toc335905111"2.4.2几个平行的剖切平面剖切PAGEREF_Toc335905111\h24HYPERLINK\l"_Toc335905112"2.4.3几个相交的剖切面剖切PAGEREF_Toc335905112\h2