MCB Automatic Assembly Machine for Mechanism Parts - High Precision, Efficient Production from China Suppliers and Factory
Equipment Overview
The MCB Automatic Assembly Machine For Mechanism Parts is a specialized automation solution developed for assembling the core mechanical structure of miniature circuit breakers.
The mechanism system is responsible for the tripping function, switching operation, and mechanical reliability of an MCB. It typically includes critical components such as moving contacts, brackets, torsion springs (small and large), and latch mechanisms. The precision and consistency of these assemblies directly impact the circuit breaker's performance and lifespan.
Traditional manual assembly of these components is labor-intensive and prone to inconsistency, especially when dealing with spring installation and latch positioning, which require high precision and repeatability.
This machine integrates automatic feeding, precise positioning, servo-driven assembly, and inspection systems to achieve high-speed and high-accuracy assembly of mechanism components.
Main Functions
- Automatic feeding of contacts, brackets, springs, and latch components
- Precision positioning and alignment system
- Automatic assembly of torsion springs (small and large)
- Automatic latch mechanism installation
- Contact and bracket assembly process
- Servo-controlled assembly operations
- Assembly quality inspection system
- Automatic product transfer and discharge
- Production counting and monitoring system
- Fault detection and alarm system
Application Scope
The equipment is widely used in the manufacturing of:
- Miniature Circuit Breakers (MCB)
- RCCB (Residual Current Circuit Breaker)
- RCBO (Residual Current Breaker with Overcurrent)
- Electrical Protection Devices
- Low-Voltage Electrical Components
Technical Specifications
| Parameter | Specification |
| Cycle Time | 20–30 pcs/min |
| Control System | PLC + 7" Touchscreen HMI |
| Power Supply | AC 220V / 50Hz |
| FPY (First Pass Yield) | 99% |
| OEE | 85% |
| Certificate | CE |
After-Sales Service & Support
We are committed to long-term cooperation with full technical support:
Covers all non-human damages. Replacement and repair included.
We offer lifelong technical assistance and spare parts supply.
Professional engineers are available to visit your site for setup.
On-site or remote training to ensure your team can run the machine independently.
Quick response via video call, remote control, Email, WhatsApp, and WeChat.
References & Case Studies


FAQ
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