China Suppliers Factory Roller Press Calendering Machine for Lithium-ion Battery Electrode Compression
Equipment Characteristics
The process of calendering in battery manufacturing involves the compression and smoothing of the electrode substrate, typically a thin metal foil coated with electrode slurry. This critical step is achieved using a rolling press machine, where controlled pressure is applied to the electrode materials between two rolls.
Compression and Smoothing
Temperature Control
Key Features
- Vibration Reduction: Specialized design features within the calendering machine minimize vibrations during the rolling process. This reduces the risk of belt breakage and ensures continuous operation without interruptions.
- Stable Pressure: The machine maintains stable pressure throughout the rolling process, essential for achieving uniform electrode thickness and minimizing material deformation. Consistent pressure application helps in maintaining the structural integrity of the electrode and ensures predictable performance in battery cells.
- High Roller Cylindricity: The precision-engineered rollers exhibit high cylindricity, meaning they are perfectly cylindrical with minimal deviation from true roundness. This characteristic contributes to uniform compression and smoothing of the electrode material, further enhancing the quality and reliability of the battery components.
In conclusion
Calendering Machine For Battery Electrode Rolling Press-96x200
Calendering Machine For Battery Electrode Rolling Press-300x350
Calendering Machine For Battery Electrode Rolling Press-300x350
Calendering Machine For Battery Electrode Rolling Press-400x450
Calendering Machine For Battery Electrode Rolling Press-600x650
Specification of Equipment
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| Model | WS-GY-96*200 | WS-GY-300*350-1 | WS-GY-300*350-2 | WS-GY-400*450 | WS-GY-600*650 |
| Roller size | φ96mm*200mm | φ300mm×350mm | φ300mm×350mm | φ400mm*450mm | φ600mm*650mm |
| Equipment dimension | 526*35*370(mm) | 1650mm×650mm×1250mm | 1650mm×600mm×1200mm | 2600*780*1500(mm) | 1600*3600*2200(mm) |
| Equipment weight | 95KG | 3.5t | 3t | 5T | 19T |
| Power | 300W | 10kw | 5KW | 14KW | 32KW |
| Maximum linear speed of rolling | 0~4m/min | 10m/min | 8m/min | 2~20m/min | 25m/min |
| Maximum working pressure | 3T | 60t | 60t | 500KN-3000KN | 400T |
Frequently Asked Questions
What is the purpose of the calendering process in battery manufacturing?
Calendering compresses and smooths the electrode substrate to increase material density and reduce porosity. This enhances mechanical strength and optimizes electrical conductivity within the battery cell.
Why is temperature control important during calendering?
Integrating temperature control helps the binding process of electrode materials, which promotes adhesion and stability. Uniform heating ensures consistent material thickness and properties for reliable performance.
How does the machine prevent belt breakage during operation?
The machine features specialized design enhancements that minimize vibrations during the rolling process, significantly reducing the risk of belt breakage and allowing continuous, uninterrupted operation.
What role does roller cylindricity play in the final quality of the electrode?
High roller cylindricity means the rollers have minimal deviation from true roundness. This ensures uniform compression and smoothing across the entire electrode, which directly improves component quality and reliability.
What range of working pressures and roller sizes do these machines support?
Depending on the model, roller sizes range from φ96mm*200mm up to φ600mm*650mm, with maximum working pressures ranging from 3T for compact laboratory models up to 400T for large-scale production units.

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