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1、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.,LTD2010年12月10日DEC.10.2010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RAW MATERIAL INSPECTION2退火ANNEALING3酸洗ACID CLEANING4水洗WASHING5磷化PHOSPHATING6盘条拉丝WIRE DRA
2、WING7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 MATERIAL CO.,LTD检验指导书INSPECTION INSTRUCTIONS产品名称PRODUCT NAME螺母NUT材料MATERIAL第 1 张PAGE 1共 12 张TOTAL 12 PAGES产品级别 GRADE编
3、号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.1工序名称PROCESS NAME原材料检验RAW MATERIAL INSPECTION使用设备EQUIPMENT光谱仪SPECTRUM ANALYZER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。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、直径公差等应符合相关标准要求。Chem
4、ical compositions and diameter tolerances should conform to relevant standard requirements.3、钢材表面不得有锈蚀、麻点、裂缝、折叠、拉痕等缺陷。Steel surface cant 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谱仪。参考质保书Chemical com
5、positions 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2010年12月10宁波海信铁路器材有限
6、公司NINGBO HAIXIN RAILROAD MATERIAL CO.,LTD检验指导书INSPECTION INSTRUCTIONS产品名称PRODUCT NAME螺母NUT材料MATERIAL第 2 张PAGE 2共 12 张TOTAL 12 PAGES产品级别GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.2工序名称PROCESS NAME原材料退火RAW MATERIAL ANNEALING使用设备EQUIPMENT天然气退火炉ANNEAL FURNACE WITH NATURAL GAS备注REMARKS要求REQUIREMENTS1、进厂原
7、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、直径公差等应符合相关标准要求。Chemical compositions and diameter tolerances should conform to relevant standard requirements.3、钢材表面不得有锈蚀、麻点、裂缝、折叠、拉痕等缺陷。Steel surface cant have r
8、ust,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DIAM
9、ETER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SIGNATURE倪传峰2010年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 NAME螺母NUT材料MATERIAL第 3 张PAGE 3共 12 张TOTAL 12 PAGES产品级别
10、 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.3工序名称PROCESS NAME酸洗、水洗、磷化ACID CLEANING, WASHING,PHOSPHATING使用设备EQUIPMENT备注REMARKS酸洗使用浓度5%8%的盐酸 Acid cleaning by hydrochloric acid with concentration from 5% to 8%要求REQUIREMENTS1、酸洗后钢材呈灰色，用清水洗净，不得有残余酸液。Steel after pickling should be gray,washed by water and
11、 without residual acid.2、酸洗后表面不得有氧化皮、黑色条纹，酸液腐蚀等。Steel surface after pickling should not have oxide skins,black stripes and acid corrosion.3、酸洗时，材料不得产生氢脆Hydrogen embrittlement should not happen during pickling process.4、酸液浓度要每天化验，浓度必须达到5%8%工艺要求。Acid concentration should be checked everyday and should
12、 conform to process requirements with 5%8%.检测工具TEST EQUIPMENT表面SURFACE盐酸浓度 hydrochloric acid concentration目测BY VISUAL化验CHEMICAL EXAMINATION编制EDITOR日期DATE审批RATIFIER日期DATE签字倪传峰2010年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 NAME螺母NUT材料MATERIAL第 4 张P
13、AGE 4共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.4工序名称PROCESS NAME盘条拉丝WIRE DRAWING使用设备EQUIPMENT拉丝机 WIRE DRAWING MACHINE备注REMARKS拉丝直径大小根据工艺进行确定Wire drawing diameter is determined by process specifications.要求REQUIREMENTS1、拉丝前用拉丝粉作为润滑剂。Drawing powder should be used as a lubricant before wire drawing.2、拉丝后，钢材直径椭圆度0.03mm。Ovality of steel diameter after drawing shouled be equal to or smaller than 0.03mm.3、钢材冷却后用千分尺在不同部位分别测量钢材外径及椭圆度。Steel external diameter and ovality should
