螺母生产质量控制计划书

1、螺母生产质量控制计划书螺母生产质量控制计划书QUALITY CONTROL PLAN OF NUTS PRODUCTION编制EDITOR:倪传峰 审批RATIFIER:宁波海信铁路器材有限公司NINGBO HAIXIN RAILROAD MATERIAL CO.,LTD12月10日DEC.10.螺母工序 PROCESSES OF NUTS序号SERIAL NO.工艺名称PROCESS NAMES备注REMARKS1原材料检验RAWMATERIAL INSPECTION2退火 ANNEALING3酸洗 ACID CLEANING4水洗 WASHING5磷化 PHOSPHATING6盘条拉丝WI

2、RE DRAWING7成型 FORMING8攻牙 TAPPING9脱油 DE-OILING10（淬火）QUENCH11（表面处理）FINISH TREAMENT12（回牙）RE-THREADING13筛铁屑IRON SCRAP SIEVING14清洗 CLEANING15脱油 DE-OILING16包装 PACKAGE宁波海信 铁路器材有限公司 NINGBO HAIXIN RAILROAD MATERIALCO.,LTD检验指导书INSPECTION INSTRUCTIONS产品名称PRODUCT NAMENUT材料MATERIAL第1张PAGE 1共12张TOTAL 12 PAGES产品级别

3、GRADE编号SERIAL NO.版本 VERSIONB0工序号PROCESS NO.1工序名称PROCESSNAME原材料检验RAW MATERIAL INSPECTION使用设备EQUIPMENT光谱仪SPECTRUM ANALYZER备注REMARKS_J_(p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。 All raw material into the plant should be with mill certificate,heat no.,batch no., and production date2、原材料化学元素含量、直径公差等应符

4、合相关标准要求。 Chemical compositions and diameter tolerances should conform to relevant standard requirements.3、钢材表向/、得有锈蚀、麻点、裂缝、折叠、拉痕等 缺陷。Steel surface can't have rust,pitting,cracks,folds,pull marks and other defects.4、钢材的外径用游标卡尺测量。External diameter should be measured by vernier caliper.5、钢材化学元素含量用光

5、谱仪。参考 质保书Chemical compositions should be checked by spectrum analyzer and referred to mill certificate.6、外观采用 目测。Surface is checked by visual.检测工具 TEST EQUIPMENT直径DIAMETER化学元素CHEMICAL COMPOSITIONS表面SURFACE游标卡尺 VERNIER CALIPER光谱仪SPECTRUM ANALYZER目测BY VISUAL0-150LAD3000S编制EDITOR日期DATE审批RATIFIER日期DATE签字倪传峰12 月 10宁波海信 铁路器材有限公司 NINGBO HAIXIN RAILROAD MATERIAL CO.,LTD检验指导书INSPECTION INSTRUCTIONS产品名称PRODUCT NAMENUT材料 MATERIAL第2张PAGE 2共12张TOTAL 12 PAGES产品级别GRADE编号 SERI