品保部共用检验标准

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1、瑟诺电器共用检验标准SERO瑟诺共用检验标准第（一）版2009-05-09发布2009-05-12实施瑟诺电器品保部发布编号：版本：页次：日期：QC技能手册目录第一章、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····················

2、································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················································11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

3、······················································14第五节、百分表的使用······················································17第六节、平台的使用························································19第七节、万能角度尺的使用·················································

4、·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························································24第十一节、扭力计的使用····································

5、················25第十二节、投影仪的使用····················································25第三章、检验方法第一节、披锋的检验方法····················································28第二节、直线度的检验方法··················································30第三节、平面度的检验方法··················

6、································31第四节、平行度的检验方法··················································32第五节、垂直度的检验方法··················································34第六节、同轴度的检验方法··················································35编号：版本：页次：日期：QC技能手册第一章识图技

7、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

8、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，在本质上是相同的。工件在三个基本投影面上所得的三视图分别称为：主视图：由前向后投影，在V面上所得的视图。如图1-1所示俯视图：由上向下投影，在H面上所得的视图。如图1-1所示左视图：由左向右投影，在W面上所得的视图。如图1-1所示三投影面展开后，平面体的三视图如图B所示。根据投影分析，三视图之间有两个重要的对应关系，即：（1）之间的度量对应关系编号：版本：页次：日期：QC技能手册从图2-2可以看出，主视图能反映物体的长度和高度，俯