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P-WM Super Capacitor Lead Wire Cylindrical Winding Unit, Lithium battery winding machine
Winding Machine Core application scenarios:
Cylindrical batteries: 18650, 21700, 4680 batteries, etc. Winding is the only way to form their standard cylindrical structure.
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P-WM Lithium battery winding machine Device Function Description:
＞Features a dual needle structure;
＞Manual insertion of electrodes, automatic winding, needle change, automatic application of termination tape, and automatic cutting;
＞Electrode bonding uses a longitudinal bonding method (termination tape parallel to the electrode ear), ensuring flat bonding with precise placement without stretching the cell;
＞Bonding is stable and reliable;
＞Adjustable winding speed for the needle;
＞Both rolls of separator are actively unwound, with encoder speed control technology and high-precision pressure valves to adjust tension, allowing for automatic and smooth tension control during winding;
＞Equipped with an electrode dust removal device;
＞Ends with electrode or separator outer packaging;
＞The wound cells are free from damage, core extraction, or misalignment of electrodes;
＞Easy to operate, with simple and quick adjustments and specifications changes.
The core application value and objectives of Electrode Winding Machine technology
The application of Winding Machine aims to address the following key manufacturing objectives:
1. Achieve precise anode/cathode alignment: Ensure that the positive and negative anode/cathode sheets are fully aligned on both sides of the separator. Any minor misalignment can lead to internal short circuits or capacity degradation within the battery. The tension control and visual correction system of the winding machine are crucial for ensuring alignment accuracy.
2. Control consistent winding tension: During the winding process, it is crucial to apply a constant and moderate tension to the anode/cathode sheets and separator. Excessive tension can cause the separator to stretch and deform or the anode/cathode sheets to lose powder; insufficient tension can make the cell winding loose, affecting energy density and performance.
3. Ensure extremely high production cleanliness: The cell is basically formed during the winding process, and any intrusion of metal dust or impurities will be a fatal safety hazard. High-end winding machines typically operate in a local drying room or a whole workshop drying environment.
Enhance production efficiency and consistency: Fully automatic winding machines can achieve high-speed, continuous, and unmanned production (cycle time up to 2-4 seconds per piece), completely replacing manual operations, greatly improving single-line output and cell consistency, and meeting the needs of mass production.
P-WM Winding Machine Equipment parameters:
Voltage | AC220V,1.5KVA, 50HZ |
Key Components | Engine |
Automation Level | Semi-automatic |
Capacity | 78 pcs min. |
Equipment Capabilities | 5–10 pieces per minute (depending on the electrode’s length/width) |
Electrode Length | 150-1000mm |
Electrode width | 28-73mm |
Electrode Thickness | 0.1-0.2mm |
Dimensions (L x W x H) | 1450mm * 1100mm * 1150mm |
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