螺母生产质量控制计划书

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 DRAWING7成型FORM

2、ING8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编号SERIAL NO.

3、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。Chemical compos

4、itions 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 compositions s

5、hould 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公司NINGBO HA

6、IXIN 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、进厂原材料须有质量保证书原件

7、、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 rust,pitting

8、,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DIAMETER化学元素CHE

9、MICAL 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 GRADE编号SER

10、IAL 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 without re

11、sidual 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 conform to

12、 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PAGE 4共 12 张

13、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 wi

14、re 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 by tested in different parts by micrometer after cooling.4、拉丝后钢材表面不允许裂缝，条痕折叠、毛刺等缺陷。Steel surface after drawing sho

15、uld not have cracks,streak folds, burrs and other defects.检测工具TEST EQUIPMENT直径DIAMETER表面SURFACE椭圆度OVALITY千分尺MICROMETER目测BU VISUAL千分尺MICROMETER0-25mm25-50mm0-25mm25-50mm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PROD

16、UCT NAME螺母NUT材料MATERIAL第 5 张PAGE 5共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.5工序名称PROCESS NAME成型FORMING使用设备EQUIPMENT螺母成型机FORMING MACHINE备注REMARKS要求REQUIREMENTS1、 核对生产指令单材质要求是否和盘料标示牌材质相符合。Check whether material designated by production list is consistent with the one issued o

17、n material card.2、 检查螺母外形是否和生产指令单相符合。（双倒角、单倒角等）3、 检查螺母尺寸是否和工艺图纸相符合。（对边、对角、厚度、小孔孔径）4、 检查螺母同轴度，垂直度等公差，具体按形位公差检验规程。5、 检查螺母是否有开裂、压伤等客户所不允许的外观缺陷。6、 成型检验及自检具体见参考冷打车间检验规程检测工具外形尺寸表面同轴度垂直度游标卡尺目测游标卡尺专用量具0-150mm0-150mm螺母垂直度规编制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 MATERIA

18、L CO.,LTD检验指导书INSPECTION INSTRUCTIONS产品名称PRODUCT NAME螺母NUT材料MATERIAL第 6 张PAGE 6共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.6工序名称PROCESS NAME攻牙TAPPING使用设备EQUIPMENT攻牙机TAPPING MACHINE备注REMARKS要求REQUIREMENTS1、 检查螺母螺纹通止。Check go and no-go gauges of nuts.2、 检查螺母垂直度。Check the perpen

19、dicularity of nuts.3、 检查螺母外观，不准有毛牙、烂牙、斜牙等缺陷。Check the nuts surface.Burrs, hurt threads and oblique threads are not allowed.4、 螺母表面不允许有擦伤。The nuts surface should not have hurt or scratch.5、 攻牙检验及自检具体见参考冷打车间检验规程As for tapping inspection and self-inspection,please refer to 检测工具TEST EQUIPMENT螺母通止GO AND

20、NO-GO GAUGES螺母垂直度PERPENDICULARITY螺纹外观THREADS SURFACE专用量具SPECIAL MEASURING TOOLS专用量具SPECIAL MEASURING TOOLS目测BY VISUAL通止规GO AND NO-GO GAUGES垂直度规VERTICAL METRICS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

21、母NUT材料MATERIAL第 7 张PAGE 7共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.7工序名称PROCESS NAME脱油DE-OILING使用设备EQUIPMENT脱油机DE-OILING MACHINE备注REMARKS要求REQUIREMENTS1、脱油要彻底，不准有滴油现象。Degrease thoroughly. Drip phenomenon is not allowed.检测工具TEST EQUIPMENT脱油质量DE-OILING QUALITY目测BY VISUAL编制EDI

22、TOR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 8 张PAGE 8共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.8工序名称PROCESS NAME淬火QUENCH使用设备EQUIPMENT网带炉MESH-BELT FURNACE备注REMARKS要求RE

23、QUIREMENTS1、 检查螺母表面，防止淬火开裂。Check nuts surface to prevent quench cracks.2、 检查螺母表面及心部硬度、螺母保证载荷。参见硬度试验作业指导书和万能拉力机试验作业指导书Check surface hardness, core hardness and pfoof load of nuts. Please refer to and 3、 检查螺纹通止。Check go and no-go gauges of nuts.4、 检测中心不定期对热处理硬度自检记录进行跟踪检查。The testing center should chec

24、k self-inspection records on heat treament hardness from time to time.检测工具TEST EQUIPMENT螺母硬度HARDNESS保证载荷PROOF LOAD表面SURFACE螺纹通止GO AND NO-GO GAUGES硬度计HARDNESS TESTER拉力机TENSILE MACHINE目测BY VISUAL专用量规SPECIAL MEASUING TOOLS通止规GAUGES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 R

25、AILROAD MATERIAL CO.,LTD检验指导书INSPECTION INSTRUCTIONS产品名称PRODUCT NAME螺母NUT材料MATERIAL第 9 张PAGE 9共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.9工序名称PROCESS NAME表面处理FINISH TREAMENT使用设备EQUIPMENT备注REMARKS 1、热镀锌依据ISO10684（ASTM A153）进行检验GALVANIZED TREAMENT IS CONSISTENT WITH ISO10684（A

26、STM A153） 2、电镀锌依据ISO4042（ASTM F1941）进行检验HOT DIP GALVANIZED TREATMENT IS CONSISTENT WITH ISO4042（ASTM F1941） 要求REQUIREMENTS1、经过表面处理后的产品必须保证螺纹的通止。镀锌产品具体见包装车间自检规程。Go and no-go gauges should be ensured after surface treatment.As for galvanized products,please refer to .2、产品表面镀层要均匀。镀层厚度符合相应的标准。The surfac

27、e coating should be uniform, and the coating thickness should conform to relevant specifications.3、表面处理（包括镀锌、热镀锌和发黑等）要均匀，无露底现象。The surface should be uniform and non-exposed (including galvanized, hot dip galvanized and black, etc.)检测工具TEST EQUIPMENT镀层厚度COATING THICKNESS镀层质量COATING QUALITY螺纹通止GO AND

28、NO-GO GAUGES测厚仪THICKNESS TESTER目测BY VISUAL专用量规SPECIAL MEASUING TOOLS通止规GAUGES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 10 张PAGE 10共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工

29、序号PROCESS NO.10工序名称PROCESS NAME回牙RE-THREADING使用设备EQUIPMENT攻牙机TAPPING MACHINES备注REMARKS要求REQUIREMENTS1、 不允许出现双牙，烂牙。Double threads and hurt threads are not allowed.2、 回牙后用对应的通止规进行检验。Go and no-go gauges after re-threading should be checked.3、 回牙检验及自检具体见参考冷打车间检验规程As for re-threading inspection and self-

30、inspection,please refer to for details.检测工具TEST EQUIPMENT螺纹通止GO AND NO-GO GAUGES螺纹表面THREADS SURFACE专用检具SPECIAL MEASUING TOOLS目测BY VISUAL通止规编制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 11 张PAGE 11共 12 张TOTAL 12 PAGES产品级别 GRADE编号SERIAL NO.版 本VERSIONB0工序号PROCESS NO.11工序名称PROCESS NAME筛铁屑、清洗SIEVING IRON SCRAP、CLEAING使用设备EQUIPMENT铁筛IRON SCREEN备注REMARKS要求REQUIREMENTS1、 牙纹内的铁屑要筛彻底。Iron scrap within threads shou