This ultrasonic metal spot welder for battery tabs is universally applicable to metal welding for winding and stacking cell processes. It features compact size, convenient operation, robust mechanical structure, stable and safe operation.
| Control System | Built-in ultrasonic generator with adjustable power & frequency; switching power supply delivers constant voltage & constant current (constant amplitude), with stepless adjustable amplitude |
| Welding Time | 0~2 s |
| Welding Spot Size | 38 mm (customizable) |
| Weldable Substrate (Cathode) | A. Aluminum Foil: 0.010-0.020 mm; B. Pure Aluminum Strip: 0.1-0.2 mm |
| Weldable Substrate (Anode) | A. Copper Foil: 0.006-0.012 mm; B. Nickel-Plated Copper Strip: 0.1-0.2 mm |
| Max Weldable Layers | ≤40 layers (custom sonotrode required for 40~50 layers) |
| Transducer Frequency | 20 kHz ±0.15 kHz |
| Transducer Peak Power | 2000 W |
| Frequency Tracking Range | 20 kHz ±1 kHz |
| Welding Modes | Time control & energy control available |
| Adjustable Amplitude Range | 10%~100% |
| Weld Quality | Interlayer metal interpenetration for robust bonding; no missing welds or cold joints, crack-free at welding zone and surrounding areas |
| Drive Type | Pneumatic |
| Power Supply | AC220V/50 Hz |
| Compressed Air Supply | 0.5~0.7 MPa |
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