QC技能办法.doc

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1、编号：BI-003版本：A/1页次：1/44日期：十月5,2021QC技能手册目录第一章、识图技能第一节、工程识图··························································2第二节、尺寸的差不多公差····················································6第三节、形状和位置公差····················································7第二章、部重

2、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··················································19第八节、直角尺的使用····························

4、··························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····················································25第十二节、投影仪的使用·············

5、·······································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······················································31第四节、包装材

6、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·············································

7、·····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编号：BI-003版本：A/1页次：2/44日期：十月5,2021QC技能手册第一章识图技能第一节、工程

8、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，就能够分析体的投影（如下图1-1）。平面ABCD和平面EFGH差不多上水平面，平面AEFB和DHGC差不多上正垂面，这四个正面投影都积聚成直线。前后两个平面BFGC和AEHD分不为侧垂面和正平面，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、