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China Roller Press: High-Quality Equipment from Reliable Suppliers and Factory for Precision Coating Applications
Specifications
| Equipment speed | 10m/min（Max 15m/min） |
| Foil thickness |
positive: 10～30um negative: 6～20um |
| Pole plate thickness | 50～300 µm |
| Foil width W1 | ≤400mm |
| Roll plate thickness accuracy |
±2μm（Normal area），CPK≥1.33 ±3μm（Thinned zone），CPK≥1.33 |
| Compaction density | Positive electrode compaction 3.4 g/cm3~3.6 g/cm3（ternary），2.2g/cm3~2.6 g/cm3（Lithium iron）；Negative electrode compaction 1.5 g/cm3~1.7 g/cm3 |
| Winding alignment | ±0.5mm |
| Appearance requirement | No wrinkles, no damage, no wave edge, no scratch, no crack, no bulge, no pollution, etc |
Frequently Asked Questions
What is the maximum operating speed of this equipment?
The standard operating speed of the equipment is 10m/min, with a maximum speed capability of up to 15m/min.
What foil thickness range does this machine support?
It supports positive foil thickness from 10 to 30um, and negative foil thickness from 6 to 20um.
What is the roll plate thickness accuracy and CPK value?
The thickness accuracy is ±2μm in the normal area and ±3μm in the thinned zone, with a CPK value of ≥1.33 for both.
What compaction densities can be achieved for different electrode materials?
For positive electrodes, it achieves a compaction density of 3.4 g/cm3 to 3.6 g/cm3 (ternary) and 2.2 g/cm3 to 2.6 g/cm3 (lithium iron). For negative electrodes, the compaction density ranges from 1.5 g/cm3 to 1.7 g/cm3.
What are the quality and appearance requirements for the finished plates?
The finished plates must have a perfect surface with no wrinkles, no damage, no wave edges, no scratches, no cracks, no bulges, and no pollution.
What is the maximum foil width and winding alignment tolerance?
The maximum foil width (W1) is ≤400mm, and the winding alignment accuracy is controlled within ±0.5mm.