Ultrasonic Electrode Tab Welder for Lithium Battery Production - China Factory Suppliers Solutions
Equipment Characteristics
The tab welding machine plays a critical role in the production of lithium battery cells by precisely welding electrode tabs onto the electrodes. The process begins with the careful placement of the electrode sheet and metal tabs within the designated welding area. The welding head, equipped with high precision alignment capabilities, positions the metal tab directly over the electrode of the battery cell.
Welding Process
Using resistance spot welding technology, the tab welding machine applies pressure and electrical current to create a strong bond between the tab and the electrode. This method relies on the electrical resistance at the interface to generate heat, melting the materials together seamlessly and ensuring a durable connection that withstands the rigors of battery use.
Key Components
Essential components of the tab welding machine include an ultrasonic generator, transducer, mold, and pneumatic elements. These components work together to facilitate precise alignment and efficient welding operations.
Features of the Spot Welding Machine
- 1. Advanced Circuit Technology: Incorporates advanced constant current and voltage circuitry, allowing continuous adjustment of ultrasonic amplitude. This feature ensures optimal welding conditions for different materials and thicknesses, enhancing welding quality and reliability.
- 2. High Precision Design: Utilizes a German X-lead structure known for its exceptional precision. This design minimizes welding errors and ensures accurate placement of tabs on electrode surfaces, critical for maintaining battery performance and safety.
- 3. Intelligent Control System: Integrates an intelligent ICS (Intelligent Control System) with secondary ultrasonic functions. The system performs self-checks during startup, intelligently manages ultrasonic segments, and provides signal transmission capabilities for seamless on-machine operations. This enhances operational efficiency and simplifies workflow management during production.
In Conclusion
The tab welding machine's advanced features and precise welding capabilities are essential for manufacturing high-quality lithium battery cells. By ensuring secure and reliable connections between electrode tabs and battery electrodes, the machine contributes to the overall performance, longevity, and safety of lithium-ion batteries used in various applications, including electric vehicles, portable electronics, and renewable energy storage systems.
Specification of Equipment
| Product |
|
| Model | WS-ZP |
| Equipment dimension |
Working part: L520*W220*H290mm Control box: L500*W190*H380mm |
| Equipment weight | About 52.5kg |
| Power supply | 380V/50Hz 3Kw |
| Air pressure | 0.5-0.8MPa |
| Environmental temperature | Recommended ambient temperature: 25±3℃, humidity: 30~90RH, no vibration and electromagnetic interference |
| Production speed | 0.01s-10s (adjustable) |
Frequently Asked Questions (FAQ)
What is the primary role of a tab welding machine in lithium battery manufacturing?
The tab welding machine plays a critical role in lithium battery cell production by precisely positioning and welding metal electrode tabs directly onto the cell's electrodes using high-precision alignment capabilities.
What welding technology does the machine use?
The machine utilizes resistance spot welding technology. It applies pressure and electrical current to generate heat at the material interface, seamlessly melting the components together to form a highly durable connection.
What are the key internal components of the tab welding machine?
The essential internal components include an ultrasonic generator, a transducer, a high-precision mold, and integrated pneumatic elements that work together to ensure precise alignment and efficiency.
How does the machine maintain high welding precision?
It utilizes a high-precision German X-lead structure design that minimizes alignment errors. Additionally, advanced constant current and voltage circuitry allow continuous adjustments to the ultrasonic amplitude for optimal welding quality.
What are the power and utility requirements for the WS-ZP model?
The WS-ZP model requires a power supply of 380V/50Hz (3Kw) and operating air pressure between 0.5 and 0.8MPa. It is recommended to operate in a temperature-controlled environment of 25±3℃ with 30~90RH humidity.

Cylindrical Cell Machine Line
Pouch Cell Lab. Line
Prismatic Cell Machine Line


