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High Precision Na-ion Cell Slot Die Coater Machine With Double Sides Coating Function
Model Number:
TMAX-XHPT-7564S-MMCompliance:
CE compliantWarranty:
Two Year Limited Warranty With Lifetime SupportPayment:
T/T, Credit Card, Paypal, LC, Western UnionDelivery Time:
3 Days
Wechat:13506084915
High Precision Na-ion Cell Slot Die Coater Machine With Double Sides Coating Function
1. Brief Introduction of Whole Machine Structure
1.1 Equipment Composition:
① Single axis unwinding mechanism
② First side coating mechanism
③ Double layer oven mechanism
④ Traction mechanism
⑤ Second side coating mechanism
⑥ Traction mechanism
⑦ Double axis winding mechanism
⑧ Precision feeding system (two sets)
⑨ Electrical control system
1.2 Technological Process:
The base material of the polar plate placed on the unwinding device enters the unwinding tension system after automatic correction, and enters the coating head after adjusting the unwinding tension. The polar plate is coated according to the setting procedure of the coating system; The coated wet electrode piece enters the lower layer oven and is dried by hot air; The pole piece after drying is rectified by the rectifying system, and then the tension is adjusted by the tension system. At the same time, the traction speed is controlled to synchronize with the second coating speed. After the pole piece is coated on the reverse side by the second coating head, it enters the upper oven for drying by hot air. After the pole piece after drying is rectified by the second traction unit and adjusted by the tension, it is wound by the winding device.
2. Technical Parameters of Battery Electrode
2.1 Suitable substrate thickness: aluminum foil: 0.010-0.030mm, copper foil: 0.006-0.030mm;
2.2 Suitable substrate width: aluminum foil: 300-660mm, copper foil: 300-660mm;
2.3 Pole piece aluminum/copper foil coil size: core aperture 3 inches;
2.4 Technical requirements for coating winding and unwinding: coil diameter ≤ φ 500mm, core diameter 3 inches;
2.5 Coating slurry: after the slurry is fully stirred and filtered to meet the requirements of battery coating, it is filled in a running tank and stirred continuously to maintain the coating performance of the slurry
2.6 Single side coating dry thickness (excluding substrate): 50-150μm; Maximum wet coating thickness: 100-500μm (when the viscosity of slurry is allowed)
3. Main Performance Parameters
NO. |
Project |
Parameter |
Remarks |
1 |
Normal Speed of Coating |
≤24m/min |
Normal coating speed is related to material system, coating thickness and solid content |
2 |
Coating Speed Accuracy Error |
≤0.1m/min |
|
3 |
Coating Width |
≤650mm |
|
4 |
Coating Length (Single Piece) |
≤2500mm |
|
5 |
Coating Machine Speed |
40m/min |
|
6 |
Overall Length of Coater |
≤43m |
It has a great relationship with configuration |
7 |
Equipment Air Pressure |
0.6~0.8 MPa |
Dry and free of impurities |
8 |
Single Side Coating Dry Thickness Error |
Li(NiCoMn)O2, LiFePO4, Cobalt±2μ (Mn±2μ) |
Edge, head and tail 8mm are excluded |
9 |
Double Side Coating Dry Thickness Error |
Li(NiCoMn)O2, LiFePO4, Cobalt±3.0μm (Mn±3μ) |
|
10 |
Single Side Weight Error in Single Chip |
±1.5% |
Measurement method (Fig. B) |
11 |
Minimum Coating Length |
20mm |
|
12 |
Minimum Length Dimension of Single Pole Piece |
50mm |
(One coating plus gap) |
13 |
Minimum Length Dimension of Single Double Segment Pole Piece |
100mm |
(Two coatings plus gap) |
14 |
Single Side Thickness Error of Electrode Head and Tail |
-10μm~ +5μm |
|
15 |
Interval Coating Minimum Gap |
10mm |
With the coating speed, the faster the speed, the greater the minimum gap. |
16 |
Accuracy Error of Coating Length |
±1.0 mm |
Within 3000mm |
17 |
Overlap Error of Front and Back Coating |
±0.5 mm |
|
18 |
Overlap Error of Front and Back Coating Edge |
±0.5 mm |
|
19 |
Edge Uniformity Error of Winding |
± 1 mm (start calculation after 5 turns) |
Φ 500mm roll |