质量检验技能手册

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1、质量检验技能手册编号：王业兵Page44of44目录第一章、识图技能第一节、工程识图····························································2第二节、尺寸的基本公差··················································6第三节、形状和位置公差··················································7第二章、部分量规仪器的使用第一节、要求精度与量规仪器···········································1

2、1第二节、游标卡尺的使用··················································12第三节、高度规的使用······················································13第四节、分厘卡的使用······················································14第五节、百分表的使用······················································17第六节、平台的使用··························

3、································19第七节、万能角度尺的使用················································19第八节、直角尺的使用······················································24第九节、V型块的使用························································24第十节、牙规的使用··························································

4、24第十一节、扭力计的使用····················································25第十二节、投影仪的使用····················································25第三章、检验标准第一节、检验方法································································27第二节、金属件及其加工品质标准·······································27第三节、喷油品质标准·················

5、·····································31第四节、包装材料品质标准··················································34第四章、检验方法第一节、披锋的检验方法····················································35第二节、直线度的检验方法··················································37第三节、平面度的检验方法·············································

6、·····38第四节、平行度的检验方法··················································39第五节、垂直度的检验方法··················································41第六节、同轴度的检验方法··················································42质量检验技能手册编号：王业兵Page44of44第一章识图技能第一节、工程识图1、体的投影体的投影，实质上构成该体的所有面的投影总和。运用点、线、面投影规律，就可以分析体的投影（如下图1-1）。平

7、面ABCD和平面EFGH都是水平面，平面AEFB和DHGC都是正垂面，这四个正面投影都积聚成直线。前后两个平面BFGC和AEHD分别为侧垂面和正平面，其正面投影重合线框b’f’g’c’(a’e’h’d’)。在水平投影中abcd和efgh反映实形，abfe,dcgh和bfgc具有类似性，aehd则积聚为一直线。图1-1：体的三面投影图1-2：体的三视图2、投影与三视图视图：就是将产品向投影面投影所得的图形。投影面上的投影与视图，在本质