MCB Welding Machine for Coil and Terminal - Reliable Suppliers and Factory in China
Equipment Overview
The MCB Welding Machine for Coil and Terminal is a specialized automation solution developed for welding the electromagnetic coil and terminal connections in miniature circuit breakers.
In MCBs, the connection between the coil and terminal is essential for ensuring proper operation of the electromagnetic tripping mechanism. Poor welding quality can lead to unstable electrical conductivity, overheating, or malfunction of the circuit breaker.
This machine adopts advanced resistance welding technology combined with precise positioning and intelligent control systems to ensure stable and reliable welding performance. The equipment can accurately weld coil to terminal components, ensuring low resistance and strong mechanical bonding.
The system integrates automatic feeding, positioning, welding, and unloading, enabling continuous production and improving overall manufacturing efficiency. With its stable performance and flexible configuration, the machine can be adapted to different MCB designs and specifications.
The equipment is widely used in MCB production lines, especially in factories producing large volumes of low-voltage circuit breakers for global markets, including Southeast Asia, the Middle East, and India.
Main Functions
Technical Specifications
| Parameter | Specification |
| Welding Method | Medium Frequency Inverter Resistance Welding |
| Drive System | Servo Cylinder + Linear Guide Rail |
| Cycle Time | 20–30 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 |
Application Scope
- Miniature Circuit Breakers (MCB)
- Electromagnetic Tripping Components
- Low-Voltage Electrical Products
- Circuit Breaker Internal Assemblies
After-Sales Service & Support
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