英文版md

2026-05-12 01:46:34 +08:00
parent b41d146d36
commit 1fc6406619
50 changed files with 12825 additions and 0 deletions
--- a/en/business/quality.md
+++ b/en/business/quality.md
@@ -0,0 +1,452 @@
+# Quality and Traceability
+
+## 1. Function Overview
+
+The Quality Management module implements full-process quality control from raw materials to finished products, including incoming inspection, in-process inspection, finished product inspection, quality exception handling, and traceability management, ensuring stable and controllable product quality.
+
+**Core Functions:**
+
+| Function | Description |
+|----------|-------------|
+| Inspection Standards | Inspection items and standards definition |
+| IQC Inspection | Incoming quality control |
+| IPQC Inspection | In-process quality control |
+| FQC/OQC | Finished/Outgoing inspection |
+| Quality Exception | Defective product handling, MRB management |
+| Quality Traceability | Forward/Reverse traceability |
+
+## 2. Quality Management System
+
+### 2.1 Quality Management Process
+
+**Total Quality Management Process:**
+
+```
+Raw Material Inspection → Production Process Control → Finished Product Inspection → Outgoing Inspection
+    │                      │                      │                      │
+    ▼                      ▼                      ▼                      ▼
+   IQC                   IPQC                   FQC                   OQC
+```
+
+### 2.2 Quality Management Principles
+
+| Principle | Description |
+|-----------|-------------|
+| Prevention First | Move quality control to design and production stages |
+| Total Participation | Quality is everyone's responsibility |
+| Process Control | Focus on every step of the production process |
+| Continuous Improvement | Continuously optimize quality management system |
+| Data Driven | Make decisions based on data analysis |
+
+## 3. Inspection Standard Management
+
+### 3.1 Inspection Standard Definition
+
+**Inspection Standard Components:**
+
+| Component | Description |
+|-----------|-------------|
+| Inspection Type | IQC/IPQC/FQC/OQC |
+| Inspection Item | Specific item to inspect |
+| Inspection Method | How to perform inspection |
+| Judgment Standard | Criteria for pass/fail determination |
+| Inspection Equipment | Required inspection equipment |
+| Sampling Plan | Sampling quantity and rules |
+
+### 3.2 Inspection Item Types
+
+| Item Type | Description | Example |
+|-----------|-------------|---------|
+| Visual Inspection | Visual check | Color, shape, surface quality |
+| Dimension Inspection | Dimension measurement | Length, width, height, diameter |
+| Function Inspection | Function test | Electrical performance, mechanical performance |
+| Performance Inspection | Performance test | Life, reliability |
+| Safety Inspection | Safety test | Insulation, withstand voltage |
+
+### 3.3 Inspection Standard Creation
+
+**Creation Steps:**
+
+1. Go to [Quality Management] → [Inspection Standards]
+2. Click [New Inspection Standard]
+3. Fill in standard information:
+   - Standard code
+   - Standard name
+   - Applicable product
+   - Inspection type
+4. Add inspection items
+5. Define inspection methods
+6. Set judgment standards
+7. Save inspection standard
+
+**[Tip]** Inspection standards need approval before becoming effective.
+
+### 3.4 Sampling Plan
+
+**Sampling Standards:**
+
+| Sampling Standard | Description | Application Scenario |
+|-------------------|-------------|---------------------|
+| GB/T 2828.1 | Normal inspection single sampling plan | Regular inspection |
+| GB/T 2829 | Periodic inspection sampling plan | Periodic sampling |
+| AQL Sampling | Acceptable quality level sampling | Large batch inspection |
+| 100% Inspection | Full inspection | Critical items |
+
+**AQL Standard Example:**
+
+| Inspection Lot Size | AQL 1.0 | AQL 2.5 | AQL 4.0 |
+|---------------------|---------|---------|---------|
+| 26-50 | 3 | 5 | 7 |
+| 51-90 | 5 | 7 | 10 |
+| 91-150 | 8 | 12 | 18 |
+| 151-280 | 13 | 18 | 25 |
+
+## 4. Incoming Quality Control (IQC)
+
+### 4.1 IQC Process
+
+**IQC Complete Process:**
+
+```
+┌──────────┐    ┌──────────┐    ┌──────────┐    ┌──────────┐
+│ Arrival  │───▶│Receiving │───▶│   IQC    │───▶│ Judgment │
+│ Receive  │    │Document  │    │ Inspection│   │          │
+└──────────┘    └──────────┘    └──────────┘    └──────────┘
+                                                               │
+                                                               ▼
+                           ┌──────────────────────────────────┐
+                           │       Non-conforming Handling     │
+                           │  ┌──────┐ ┌──────┐ ┌──────┐   │
+                           │  │Return │ │Concession│ │Scrap │   │
+                           │  │       │ │Acceptance│ │      │   │
+                           │  └──────┘ └──────┘ └──────┘   │
+                           └──────────────────────────────────┘
+```
+
+### 4.2 IQC Inspection Execution
+
+**Inspection Steps:**
+
+1. Supplier delivery arrives
+2. Warehouse clerk creates receiving document
+3. System automatically pushes inspection task to IQC
+4. IQC inspector receives inspection task
+5. Execute incoming inspection:
+   - Verify delivery note against order
+   - Visual inspection
+   - Quantity verification
+   - Sampling inspection
+6. Record inspection data
+7. Determine inspection result
+
+**Inspection Judgment:**
+
+| Judgment Result | Description | Handling Method |
+|-----------------|-------------|-----------------|
+| Qualified | Accept for storage | Direct receiving |
+| Concession Acceptance | Special release | Requires approval |
+| Rejected | Return to supplier | Return to supplier |
+
+### 4.3 IQC Inspection Record
+
+**Inspection Record Information:**
+
+| Record Item | Description |
+|-------------|-------------|
+| Inspection No. | IQC inspection document number |
+| Supplier | Material supplier |
+| Material Code | Material being inspected |
+| Material Batch | Material batch number |
+| Arrival Quantity | Arrival quantity |
+| Sampling Quantity | Sampled quantity |
+| Qualified Quantity | Qualified quantity |
+| Defective Quantity | Defective quantity |
+| Qualification Rate | Qualified quantity/Sampling quantity |
+| Inspection Conclusion | Qualified/Unqualified |
+| Inspector | Person performing inspection |
+| Inspection Time | Inspection time |
+
+## 5. In-Process Quality Control (IPQC)
+
+### 5.1 IPQC Types
+
+| Inspection Type | Timing | Description |
+|-----------------|--------|-------------|
+| First Article Inspection | At start of each batch | Inspection of first product |
+| Patrol Inspection | During production | Regular patrol inspection |
+| Sampling Inspection | Per sampling plan | Random sampling inspection |
+| Last Article Inspection | At end of each batch | Inspection of last product |
+
+### 5.2 First Article Inspection
+
+**First Article Inspection Process:**
+
+```
+Start Production → First Article Production → First Article Inspection → Qualified → Mass Production
+                           │
+                           ▼
+                     Unqualified
+                           │
+                           ▼
+                  Root Cause Analysis & Correction
+```
+
+**First Article Inspection Timing:**
+
+| Timing | Description |
+|--------|-------------|
+| Shift Change | First after shift handover |
+| Material Change | First after material change |
+| Process Change | First after process adjustment |
+| After Equipment Repair | First after equipment repair |
+
+### 5.3 Patrol Inspection Management
+
+**Patrol Inspection Points:**
+
+| Inspection Item | Check Content | Check Method |
+|-----------------|---------------|--------------|
+| Process Parameters | Temperature, pressure, time | Check equipment parameters |
+| Material Usage | Correct material usage | Verify material identification |
+| Operation Method | Standard operation | Observe operation process |
+| Product Appearance | Normal appearance | Visual inspection |
+| Equipment Status | Normal equipment operation | Check equipment running status |
+
+**Patrol Inspection Record:**
+
+| Record Item | Description |
+|-------------|-------------|
+| Inspection Time | Inspection time |
+| Inspection Station | Station being inspected |
+| Inspector | Person performing inspection |
+| Inspection Item | Item being checked |
+| Check Result | Inspection result |
+| Abnormal Description | Issues found (if any) |
+
+## 6. Finished Product Inspection (FQC/OQC)
+
+### 6.1 FQC (Final Quality Control)
+
+**FQC Inspection Content:**
+
+| Inspection Category | Inspection Item |
+|---------------------|-----------------|
+| Visual Inspection | Color, marking, packaging |
+| Dimension Inspection | External dimensions |
+| Function Inspection | Electrical performance test |
+| Safety Inspection | Safety item test |
+| Reliability Inspection | Aging test, etc. |
+
+### 6.2 OQC (Outgoing Quality Control)
+
+**OQC Inspection Content:**
+
+| Inspection Item | Description |
+|-----------------|-------------|
+| Quantity Verification | Verify outgoing quantity |
+| Visual Check | Check packaging appearance |
+| Marking Check | Check labels and markings |
+| Random Sampling | Sampling per sampling plan |
+| Documentation Check | Check accompanying documents |
+
+### 6.3 Finished Product Receiving Process
+
+**Receiving Conditions:**
+
+```
+FQC Passed → OQC Passed → Packaging Complete → Finished Product Receiving
+```
+
+**Receiving Requirements:**
+
+| Requirement | Description |
+|-------------|-------------|
+| Inspection Complete | FQC/OQC inspection must be completed |
+| Inspection Qualified | Inspection result must be qualified |
+| Batch Identification | Must have batch identification |
+| Packaging Complete | Packaging must be intact |
+| Quantity Accurate | Quantity must be accurate |
+
+## 7. Quality Exception Handling
+
+### 7.1 Defective Product Classification
+
+| Defect Category | Description | Handling Method |
+|-----------------|-------------|-----------------|
+| Visual Defect | Color, shape, surface defects | Rework/Scrap |
+| Dimension Defect | Dimension out of tolerance | Rework/Downgrade |
+| Function Defect | Function not meeting standard | Rework/Scrap |
+| Performance Defect | Performance not meeting standard | Rework/Downgrade |
+| Safety Defect | Safety hazard | Scrap |
+
+### 7.2 MRB Handling Process
+
+**MRB Process:**
+
+```
+┌──────────┐    ┌──────────┐    ┌──────────┐    ┌──────────┐
+│Defective │───▶│   MRB    │───▶│ Review   │───▶│ Disposal │
+│Identify  │    │  Initiate│    │ Judgment │   │ Execution│
+└──────────┘    └──────────┘    └──────────┘    └──────────┘
+```
+
+**MRB Disposal Methods:**
+
+| Disposal Method | Description | Approval Requirement |
+|-----------------|-------------|---------------------|
+| Rework | Return to process for reprocessing | Requires approval |
+| Downgrade | Use at lower grade | Requires approval |
+| Concession Acceptance | Accept under special circumstances | Senior management approval |
+| Scrap | Direct scrap | Requires approval |
+| Return | Return to supplier | Contact supplier |
+
+### 7.3 Quality Exception Handling Steps
+
+**Handling Steps:**
+
+1. Discover quality issue
+2. Isolate non-conforming products
+3. Label non-conforming products
+4. Create MRB document
+5. Quality review
+6. Determine review result
+7. Execute disposal plan
+8. Confirm disposal
+
+**[Tip]** Non-conforming products must be stored in isolation to prevent misuse.
+
+## 8. Quality Traceability
+
+### 8.1 Traceability Content
+
+**Traceability Data Elements:**
+
+| Traceability Element | Traceability Content |
+|---------------------|---------------------|
+| Material Origin | Raw material supplier, batch |
+| Production Process | Process, equipment, personnel |
+| Quality Data | Inspection records, defective products |
+| Equipment Data | Equipment parameters, status |
+| Environmental Data | Production environment conditions |
+
+### 8.2 Forward Traceability
+
+**Forward Traceability Process:**
+
+```
+Material Batch → Semi-finished Batch → Finished Product Batch → Customer
+```
+
+**Traceability Query:**
+
+1. Input finished product batch number
+2. Query finished product production information:
+   - Production work order
+   - Production process
+   - Production time
+   - Operator
+   - Equipment used
+3. Query materials used:
+   - Material batch
+   - Supplier
+   - IQC inspection result
+4. Continue tracing upstream materials
+
+### 8.3 Reverse Traceability
+
+**Reverse Traceability Process:**
+
+```
+Finished Product Batch → Semi-finished Batch → Material Batch → Supplier
+```
+
+**Traceability Query:**
+
+1. Input material batch number
+2. Query material usage:
+   - Work orders used in
+   - Processes used in
+   - Finished product batches produced
+3. Query finished product destination:
+   - Shipping records
+   - Customer information
+
+### 8.4 Traceability Query Example
+
+**Query Scenario:** Customer complaint about quality issue in a product batch
+
+**Traceability Steps:**
+
+1. Query using batch number provided by customer
+2. Trace this batch's:
+   - Production work order information
+   - Production status at each process
+   - Material batches used
+   - Material suppliers
+   - Quality inspection records
+3. Analyze quality issue root cause
+4. Determine impact scope
+5. Notify affected customers
+6. Develop improvement measures
+
+**Traceability Result Example:**
+
+| Item | Information |
+|------|-------------|
+| Finished Product Batch | LOT-20260410-001 |
+| Product Model | PCB-1000 |
+| Production Work Order | WO-20260410001 |
+| Production Date | 2026-04-10 |
+| Production Line | SMT-A Line |
+| Operators | Zhang San, Li Si |
+| Materials Used | Solder batch LOT-S-001 (Supplier: Company A) |
+| Inspection Records | First article qualified, patrol inspection qualified |
+| Shipping Records | Shipped to Customer B, quantity 1000PCS |
+
+## 9. Quality Statistics and Analysis
+
+### 9.1 Quality Indicators
+
+**Core Quality KPIs:**
+
+| Indicator | Calculation Formula | Target Value |
+|-----------|---------------------|--------------|
+| Incoming Qualification Rate | IQC Qualified Lots/IQC Total Lots × 100% | ≥98% |
+| Process Qualification Rate | IPQC Qualified Quantity/IPQC Total Inspected × 100% | ≥99% |
+| Finished Product Qualification Rate | FQC Qualified Quantity/FQC Total Inspected × 100% | ≥99.5% |
+| Defective Rate | Defective Quantity/Total Production × 100% | ≤1% |
+| Batch Traceability Rate | Successfully Traced Batches/Total Batches × 100% | 100% |
+
+### 9.2 Quality Reports
+
+| Report Type | Description | Target User |
+|-------------|-------------|-------------|
+| IQC Daily Report | Daily incoming inspection statistics | IQC Team Leader |
+| IPQC Daily Report | Daily in-process inspection statistics | IPQC Team Leader |
+| Quality Monthly Report | Monthly quality summary report | Quality Manager |
+| Defect Analysis | Defect root cause analysis | Quality Engineer |
+| Trend Analysis | Quality trend analysis | Quality Supervisor |
+
+### 9.3 SPC Statistical Process Control
+
+**Control Chart Monitoring:**
+
+| Control Chart Type | Monitoring Content | Application Scenario |
+|--------------------|-------------------|---------------------|
+| X-bar Chart | Mean value monitoring | Measurement data |
+| R Chart | Range monitoring | Measurement data |
+| P Chart | Defective rate monitoring | Count data |
+| C Chart | Defect count monitoring | Count data |
+
+**异常判定规则:**
+
+| Rule | Judgment Condition | Description |
+|------|-------------------|-------------|
+| Rule 1 | 1 point outside control limits | Single point abnormality |
+| Rule 2 | 9 consecutive points on same side of center line | Shift abnormality |
+| Rule 3 | 6 consecutive points increasing or decreasing | Trend abnormality |
+| Rule 4 | 14 consecutive points alternating up and down | Periodic abnormality |
+
+---
+
+**End of Quality and Traceability**