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Precision Engineering: Inside Nenghui Energy’s Tier-1 Production System Where cutting-edge tech meets uncompromising quality control

2025-06-27

 MODULE ASSEMBLY

From raw cells to integrated power units

```  

Manual Cell Loading → ② Cell OCV Testing & Scanning [QC] → ③ Insulation Taping  

Module Stacking / ID Binding → ⑤ Compression & Steel Banding [KEY] → ⑥ Pre-Weld Inspection [QC]  Laser Terminal Cleaning → ⑧ CCS Assembly → ⑨ Laser Busbar Welding [KEY]  Post-Weld Inspection / Insulation Test [QC] → ⑪ Top Cover Sealing → ⑫ Module Transfer  

```  

Tech Spotlight:  

- 0.1mm precision laser welding  

- 100% traceability via dual-scanning (cell & module)  

Quality Gates: 5 inspection points including dielectric strength validation  

 

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PACK INTEGRATION  

Dual-cooling system assembly  

```  

Enclosure Loading → ② Cleaning → ③ Liquid Cooling Pressure Test [QC]  

Component Mounting → ⑤ Robotic Sealant Application [KEY] → ⑥ Manual Sealant Reinforcement  Module Placement (1&2) → ⑧ BMU Installation → ⑨ Panel/Harness Assembly [KEY]  Busbar & Component Fixing [KEY] → ⑪ EOL Test / Harness Connection [QC] → ⑫ Final Pressure Test [QC]  

Labeling → ⑭ Storage  

```  

Tech Spotlight:  

- 0.3mm sealant tolerance  

- Dual-line compatibility (liquid/air cooling)  

Quality Gates: 3-stage pressure validation + full functional simulation  

 

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CABINET BUILD  

Structural & electrical integration  

```  

Cabinet Loading → ② HMI/Door Component Install → ③ Fire Suppression System  

PCS Cooling Setup → ⑤ Detector/Alert Integration → ⑥ Leak Detector Installation  

Internal Harness Connection → ⑧ PACK/Control Box Placement → ⑨ LV/HV Wiring [KEY]  

In-Process Harness Check [QC] → ⑪ PCS Integration → ⑫ Power Busbar Assembly  

TRIPLE VERIFICATION [KEY/QC]:  

    Bolt Torque Recheck  

    Wiring Inspection  

    Connector Audit  

```  

Tech Spotlight:  

- Multi-sensor safety ecosystem (thermal/fire/leak)  

- PCS integration protocol  

Quality Gates: 4 electrical checks + mechanical triple-check  

 

WHY GLOBAL PARTNERS CHOOSE US  

» Robotic Precision: 0.1mm welding/sealing tolerances  

» Dual-Cooling Mastery: Single-line flexible production  

» Beyond Certification: 12+ QC checkpoints (exceeding IEC 62619)  

» Full Digital Traceability: Cloud-based production monitoring  

 

#BatteryManufacturing #EnergyStorage #SmartFactory #CleanTech #NenghuiExcellence  



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