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Automated Welding Line for 
Components
The thermal-magnetic assembly is the key protection unit in circuit breakers and motor protectors, enabling overload and short-circuit tripping. Its performance makes assembly efficiency and reliability critical. Our fully automated line integrates auto-feeding, welding, and in-process inspection, achieving a cycle time under 4 seconds and greatly boosting product quality and output.
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Key Processes

  • Automatic feeding with compatibility for multiple materials
  • Insertion mechanism ensures excellent synchronization and efficiency
  • Various welding processes (optional), such as resistance welding, argon arc 
      welding, and induction welding, with welding parameter monitoring

Product Features

  • Independently developed key process hardware.
  • Standardized and modularized production line framework and key processes, optimized layout for ease of maintenance.
  • High equipment efficiency with a cycle time of less than 4 seconds.
  • Reliable design with high stability and product yield.
  • Alarm indications during the process guide maintenance personnel directly to specific stations for quick inspection and troubleshooting.
  • Universal and visual software operation platform.
  • Comprehensive MES integration, clearly displaying process data (e.g., CT, OEE, FPY, OUTPUT, etc.), and capable of interfacing with factory-level MES.
Precision Protection MCB Thermal Trip Circuit Breaker  
Automation Welding Lines Production Machine
Machine A
Function of Core Component Feeding in MCBs

Component feeding is a key pre-process in automated MCB assembly, directly impacting performance and efficiency.

 

1.Moving Contact:

Ensures precise alignment with fixed contacts for reliable switching and stable arc control.

 

2.Thermal Rivet Parts:

Provide a stable base for riveting, improving structural strength and long-term reliability.

 

3.Bimetal Strip:

Enables accurate installation of the overload sensing element for precise thermal tripping.

 

4.Torsion Spring: 

Supplies stable reset torque for fast recovery after tripping and longer service life.

 

5.Copper Wire: 

Ensures secure electrical connections, reduces contact resistance, and enhances safety.

Feeding Component
We believe that through our manufacturing strengths and service commitment, we are able to provide our customers with superior products and an unparalleled service experience.​​​​​​​
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