Indoor vacuum circuit breaker assembly production line

The assembly production line process for indoor vacuum circuit breakers is a complex sequence of steps designed to ensure the quality and performance of the product.

  1. Design and Preparation:
    • Based on product design drawings and technical specifications, prepare the necessary raw materials and components, such as vacuum arc chambers, operating mechanisms, and conductive parts.
    • Ensure all components meet quality standards and specification requirements.
  2. Component Machining:
    • Process the raw materials into parts for the circuit breaker, such as cutting, stamping, bending, etc.
    • Use CNC machines and other precision machining equipment to ensure accuracy.
  3. Assembly:
    • Assemble the machined parts according to design requirements, including installing the vacuum arc chamber, securing the operating mechanism, and connecting conductive parts.
    • Ensure all parts are correctly installed and securely connected.
  4. Mechanical Adjustment:
    • Mechanically adjust the assembled circuit breaker to ensure the flexibility and accuracy of the operating mechanism.
    • Adjust the contact gap to meet technical specifications.
  5. Electrical Testing:
    • Conduct electrical performance tests on the circuit breaker, including insulation resistance tests, conductivity tests, and vacuum level tests for the vacuum arc chamber.
    • Ensure all electrical parameters comply with standard requirements.
  6. Functional Testing:
    • Perform functional tests by simulating the opening and closing operations of the circuit breaker to verify its operational performance and reliability.
    • Check that the circuit breaker’s energy storage function and locking function are normal.
  7. Quality Inspection:
    • Conduct appearance and quality inspections on the completed circuit breaker, ensuring all screws are tightened, and the nameplate information matches the actual components’ specifications.
    • Check that packaging and accessories are complete and that the product’s appearance is undamaged and aesthetically pleasing.
  8. Typical Fault Analysis and Troubleshooting:
    • Analyze typical faults that may occur during testing and develop corresponding troubleshooting methods.
    • Ensure that the fault handling mechanism on the production line is effective to reduce production interruptions.
  9. Final Inspection:
    • In the final inspection stage, conduct a final check on the circuit breaker, including secondary circuit testing and automatic test bench line testing.
    • Ensure the circuit breaker does not damage the control module of the test bench in case of a strong electrical circuit connection error.
  10. Packaging and Shipping:
    • After all inspections are completed, properly package the circuit breaker to protect the product from damage during transportation.
    • Prepare shipping documents and dispatch the product to customers or inventory.

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