螺母生产质量控制计划书序号SERIALNO
工艺名称PROCESSNAMES备注REMARKS1原材料检验RAWMATERIALINSPECTION2退火ANNEALING3酸洗ACIDCLEANING4水洗WASHING5磷化PHOSPHATING6盘条拉丝WIREDRAWING7成型FORMING8攻牙TAPPING9脱油DE-OILING10(淬火)QUENCH11(表面处理)FINISHTREAMENT12(回牙)RE-THREADING13筛铁屑IRONSCRAPSIEVING14清洗CLEANING15脱油DE-OILING16包装PACKAGE宁波海信铁路器材有限公司NINGBOHAIXINRAILROADMATERIALCO
,LTD检验指导书INSPECTIONINSTRUCTIONS产品名称PRODUCTNAME螺母NUT材料MATERIAL第1张PAGE1共12张TOTAL12PAGES产品级别GRADE编号SERIALNO
版本VERSIONB0工序号PROCESSNO
1工序名称PROCESSNAME原材料检验RAWMATERIALINSPECTION使用设备EQUIPMENT光谱仪SPECTRUMANALYZER备注REMARKS要求REQUIREMENTS1、进厂原材料须有质量保证书原件、炉号、批号、生产日期
Allrawmaterialintotheplantshouldbewithmillcertificate,heatno
,batchno
,andproductiondate2、原材料化学元素含量、直径公差等应符合相关标准要求
Chemicalcompositionsand检测工具TESTEQUIPMENT直径DIAMETER化学元素CHEMICALCOMPOSITIONS表面SURFACE游标卡尺VERNIERCALIPER光谱仪SP