MCB Silver Contact Spot Welding Machine - High Efficiency Factory Solution from China Suppliers
The MCB Silver Contact Spot Welding Machine is a specialized welding device developed for attaching silver contact tips to stationary contacts in miniature circuit breakers.
In MCBs, the silver contact plays a critical role in ensuring low electrical resistance, reliable switching performance, and long service life. The quality of the welding between the silver contact tip and the copper or alloy stationary contact directly affects the electrical performance and durability of the circuit breaker.
This machine adopts advanced resistance spot welding technology combined with precise positioning and intelligent control systems to achieve stable welding results and consistent contact quality. The compact structure allows easy installation within existing production lines while saving valuable factory space.
The equipment is designed with a high-speed welding cycle, enabling fast production rates and improving overall manufacturing efficiency. With reliable welding performance and user-friendly operation, the machine is widely used in MCB manufacturing plants and low-voltage electrical component production lines.
- Automatic feeding of stationary contacts
- Automatic feeding of silver contact tips
- Precision positioning before welding
- High-speed silver contact spot welding
- Welding parameter control and monitoring
- Automatic finished product discharge
- Production counting and data monitoring
- Fault detection and alarm system
| Parameter | Specification |
| Welding Method | Medium Frequency Inverter Resistance Welding |
| Drive System | Servo Cylinder + Linear Guide Rail |
| Cycle Time | 30–40 pcs/min (depending on model) |
| Control System | PLC + 7" Touchscreen HMI |
| Power Supply | AC 380V / 50Hz |
| Welding Accuracy | ±0.02 mm |
| FPY (First Pass Yield) | 99% |
| OEE | 85% |
| Certificate | CE |
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