机械制图教材.doc

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1、目录第一章、机械制图第一节、机械制图的基本知识··················································2第二节、正投影法基本原理····················································3第三节、金属冷冲压件公差····················································11第四节、形状和位置公差······················································18第二章、常用术语·········

2、························································38第三章、部分量规仪器的使用第一节、要求精度与量规仪器··················································42第二节、游标卡尺的使用······················································43第三节、高度规的使用························································44第四节、分厘卡的使用········

3、················································45第五节、百分表的使用························································48第六节、平台的使用··························································49第七节、万能角度尺的使用····················································50第八节、直角尺的使用··························

4、······························54第九节、V型块的使用·························································54第十节、牙规的使用··························································54第十一节、扭力计的使用······················································55第十二节、投影仪的使用·········································

5、·············55第四章、检验标准第一节、检验方法····························································57第二节、金属件及其加工品质标准··············································57第三节、喷油品质标准························································61第四节、包装材料品质标准····················································6

6、4第五章、检验方法第一节、披锋的检验方法······················································65第二节、直线度的检验方法····················································67第三节、平面度的检验方法····················································67第四节、平行度的检验方法····················································69第五节、垂直度的检验方法···

7、·················································70第六节、同轴度的检验方法····················································72第七节、倾斜度的检验方法····················································74第一章机械制图第一节、机械制图的基本知识1、图纸幅面（1）常用图纸有表1-1规定的六种基本尺寸。其A0号幅面最大，A5号幅面最小。表1-1幅面尺寸幅面代号A0A1A2