文档介绍：编号:BI-003版本:A/1页次:1/44日期:二月28,2020QC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······················································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······················································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····················································25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··················································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:二月28,2020QC技能手册识图技能第一节、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、投影与三视