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Calendering Macine
Roller Press Calendering Machine for Lithium ion Battery Electrode
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.
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Compression and Smoothing
As the electrode substrate enters the calendering machine, it passes between precision-engineered rollers. These rollers exert controlled pressure on the electrode material, compacting it to enhance density and reduce porosity. This compression not only improves the mechanical strength of the electrode but also ensures optimal electrical conductivity throughout the battery cell.
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Temperature Control
In addition to pressure, temperature control is often integrated into the calendering process. Heat can aid in the binding process of the electrode materials, promoting adhesion and stability. Uniform heating across the electrode ensures consistent material properties and thickness, crucial for reliable battery performance.
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Key Features
1 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.
2 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.
3 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
The calendering process in battery manufacturing is crucial for refining the electrode substrate, optimizing its physical properties, and preparing it for subsequent assembly into battery cells. By adhering to stringent control parameters such as stable pressure, controlled temperature, and vibration reduction, manufacturers can consistently produce electrodes with superior performance characteristics essential for advanced energy storage solutions.
SPECIFICATION OF EQUIPMENT
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Product |
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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 |
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Roller size |
φ96mm*200mm |
φ300mm×350mm |
φ300mm×350mm |
φ400mm*450mm |
φ600mm*650mm |
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Equipment dimension |
526*35*370(mm) |
1650mm×650mm×1250mm |
1650mm×600mm×1200mm |
2600*780*1500(mm) |
1600*3600*2200(mm) |
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Equipment weight |
95KG |
3.5t |
3t |
5T |
19T |
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Power |
300W |
10kw |
5KW |
14KW |
32KW |
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Maximum linear speed of rolling |
0~4m/min |
10m/min |
8m/min |
2~20m/min |
25m/min |
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Maximum working pressure |
3T |
60t |
60t |
500KN-3000KN |
400T |