欢迎光临~纳纬汽车紧固件有限公司
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纳纬汽车紧固件有限公司的质量控制方法旨在确保最佳的产品质量，严格遵守您的设计，并降低您的成本。
从提交首样到批量生产，我们的质量人员一直在寻找提高产品质量的方法。
我们不断解决制造工艺、材料等问题，并提高员工技能，以确保最高质量的产品。
我们实验室已通过国家级实验室认证，我们厂内可以对产品质量进行全面检测。
| Nutwe Automotive Fasteners Co.,Ltd Control Plan | |||||||||
| Step | Operation Description | Process Flow | Method of Analysis | Item | Product Characteristics | Inspection Method | Process Characteristics | ||
| 0 | Drawing Confirmation | Engineer Drawing | Issue Engineer Drawing From The samples And/W Customer Draft Drawing, Ask for Approval From The Customer. | 1 | Raw Material | Documents Management System | Pruchase Order | ||
| 2 | Appearance | ||||||||
| 3 | Dimensions | ||||||||
| 4 | Coating | ||||||||
| 5 | Mechanical Properties | ||||||||
| Samples Aproved | Initate Samples | Submitted Initate Samples For Approval From The Customer. | 1 | PPAP | |||||
| 1 | Material Purchased | Material Required | Visual Inspection | 1 | Appearance | Inspection Report of Material Purchased | Inspection Standard of Raw Material | ||
| Microcalliper | 2 | Outer Diameter | Incoming Material Testing Report | ||||||
| Optical Emission Spectrometry | 3 | Chemical Composition | |||||||
| Hardness Tester | 4 | Mechanical Properties | |||||||
| Carbon And Sulfur Analyzer | RoHS | Inspection Standard of Raw Material | |||||||
| 2 | Cold Forming | First Article Confirmed | Production Process Card | 1 | Appearance | Inspection Report of First Article | Criteria Of Appearance Defect | ||
| 2 | Dimensions | ||||||||
| Volume Production | Visual Inspection | 3 | Appearance | Polling Inspection Record | Process Drawing | ||||
| Testing Tools | 4 | Dimensions | Criteria Of Appearance Defect | ||||||
| 3 | Thread Rolling | First Article Confirmed | Visual Inspection | 1 | Appearance | Polling Inspection Record | Process Drawing | ||
| Volume Production | Testing Tools | 2 | Dimensions | Criteria Of Appearance Defect | |||||
| Thread Gauge | 3 | Form of Thread | Go-No Go Gauges | ||||||
| 4 | Heat Treatment | Heat Treatment | Visual Inspection | 1 | Appearance | Polling Inspection Record | Process Drawing | ||
| Testing Tools | 2 | Dimensions | Criteria Of Appearance Defect | ||||||
| Hardness Tester | 3 | Hardness | Performance Testing Requirements | ||||||
| Universal Tensile Testing Machine | 4 | Tensile strength | |||||||
| Metallographic Microscope | 5 | Metallographic Structure | |||||||
| 6 | Carburizing Depth | ||||||||
| 5 | Plating | Surface Treatment | Visual Inspection | 1 | Appearance | Polling Inspection Record | Process Drawing | ||
| Vernier Caliper/Microcalliper | 2 | Dimensions | Criteria Of Appearance Defect | ||||||
| Thread Gauge | 3 | Form of Thread | Process Drawing | ||||||
| Coating thickness Measurer | 4 | Coating Thickness | |||||||
| Salt Spray Device | 5 | NSS | |||||||
| Coefficient Of Friction Tester | 6 | COF | |||||||
| 6 | Final Detection | Dimensions Detection | Vernier Caliper/Microcalliper | 1 | Dimensions | Finished Product Inspection Record | Process Drawing | ||
| Appearance | Visual Inspection | 2 | Appearance | Criteria Of Appearance Defect | |||||
| Quality Documents | QA dept., Sales Dept. | 2 | The Samples, Testing Report | Quality Control Process | |||||
| 7 | Sorting | Dimensions Detection | Optical Sorting Machine | 1 | Dimensions | Machine Inspection | Process Drawing | ||
| Appearance | Visual Inspection | 2 | Appearance | Visual Inspection | Criteria Of Appearance Defect | ||||
| 8 | Packing and Store | Load to warehouse | Visual Inspection | 1 | Quantities and Lable | Visual Inspection | Warehouse Management System | ||
| Package Required | 2 | Pruchase Order | |||||||
| Product Store Required | 3 | Product Store Specification | |||||||
| 9 | Delivery | Purchase Order Required | Finance dept. | 1 | Packing List and Commerce Invoice, C/O, B/L | Pruchase Order/Shipment Instruction | Product Delivery Specification | ||
| Visual Inspection | 2 | Delivery Address / Loading Port, Distination Port, ETD, ETA | Pruchase Order | ||||||