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MCB Silver Contact Spot Welding Machine
Equipment Overview
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.
Main Functions
- 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
Technical Specifications
| 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 HMl |
| Power supply | AC 380V/50Hz |
| Welding Accuracy | ±0.02 mm |
| FPY (First Pass Yield) | 99% |
| OEE | 85% |
| Certificate | CE |
After-Sales Service & support
We are committed to long-term cooperation with full technical support:
✅1-Year Free Warranty ：Covers all non-human damages. Replacement and repair included.
✅Lifetime Maintenance Support：We offer lifelong technical assistance and spare parts supply.
✅On-Site Installation & Commissioning：Professional engineers are available to visit your site for setup .
✅Operator Training：On-site or remote training to ensure your team can run the machine independently.
✅Remote Technical Support：Quick response via video call, remote control, Email, WhatsApp, and WeChat.
References & Case Studies
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| Our equipment in China | Our equipment in Europe |
FAQs
Q1: What is the function of this silver contact welding machine?A: The machine is used to weld silver contact tips onto stationary contacts used in miniature circuit breakers.
Q2: What welding technology does the machine use?A: The equipment adopts high-precision resistance spot welding technology to ensure stable welding quality.
Q3: Can the machine be integrated into an automated production line?A: Yes. The machine can be easily integrated into MCB automatic production lines.
Q4: What are the main advantages of this machine?A: The key advantages include compact size, stable welding performance, fast cycle time, and high production efficiency.
Q5: Can the machine support different contact sizes?A: Yes. The equipment can be customized to support different silver contact tip sizes and stationary contact designs.
Q6: How can I get a quotation?A: Each machine is customized according to the product specifications and production requirements. Please contact us for a technical proposal and quotation.
Talk to our team today
Interested in this machine? Get technical details, layout drawings, or a customized quote today!