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MCB Welding Line for thermal parts
MCB Automatic Welding Line
Copper wire automatic cutting
parts in the ficture transfer
MCB automatic spot welding

MCB Welding Line for Thermal Assembly - High Efficiency from Top China Suppliers and Factory

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The MCB Welding Line For Thermal Assembly is a state-of-the-art automated welding solution tailored for the precise assembly of thermal components in miniature circuit breakers. Designed for manufacturers focused on low-voltage circuit breakers and electrical protection devices, this machine guarantees stable welding quality, enhanced efficiency, and reliable electrical performance. As a leading choice among China suppliers and factories, our MCB Welding Line delivers a complete thermal assembly solution that revolutionizes production processes.

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✅ Comprehensive Thermal Assembly Solution from Trusted China Suppliers

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✅ Exceptional Production Efficiency for Factories

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✅ Minimized Labor and Handling Costs

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✅ Stable, Consistent Quality for Superior Electrical Performance

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    Product Detail

    Equipment Overview

    The MCB Thermal Assembly Welding Production Line is a fully automated turnkey solution designed for manufacturing thermal assemblies in Miniature Circuit Breakers (MCB).

    This production line integrates multiple key processes, including copper wire welding & cutting, bimetal assembly, moving contact welding, arc runner positioning, and terminal welding, to form a complete thermal unit in a continuous and synchronized workflow.

    By adopting advanced resistance welding or medium-frequency inverter (MFDC) welding technology, along with high-precision servo positioning systems, the line ensures strong bonding, accurate alignment, and low electrical resistance across all connections.

    Designed for high-volume manufacturing, the system significantly reduces manual operations, improves production efficiency, and guarantees consistent product quality. It is an ideal solution for manufacturers seeking standardized, automated, and scalable MCB production.

    Main Functions

    • Automatic feeding of copper wires
    • Wire cutting, forming, and positioning
    • Bimetal feeding and assembly
    • Moving contact feeding and welding
    • Arc runner feeding and positioning
    • Terminal feeding and welding
    • Multi-point welding integration (resistance / MFDC)
    • Assembly of complete thermal unit
    • Inline inspection and quality control
    • Automatic unloading of finished thermal assemblies

    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

    The equipment is widely used in the manufacturing of:

    • MCB (Miniature Circuit Breaker) Manufacturing
    • Thermal Component Assembly
    • Low-Voltage Electrical Production Lines
    • Automated Circuit Breaker Manufacturing

    After-Sales Service & Support

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    1-Year Free Warranty

    Covers all non-human damages. Replacement and repair included.

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    Lifetime Maintenance Support

    We offer lifelong technical assistance and spare parts supply.

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    On-Site Installation & Commissioning

    Professional engineers are available to visit your site for setup.

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    Operator Training

    On-site or remote training to ensure your team can run the machine independently.

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    Remote Technical Support

    Quick response via video call, remote control, Email, WhatsApp, and WeChat.

    References & Case Studies

    tf-automatic-mcb-production-line-in-china.jpg
    Our Equipment in China
    tf-automatic-mccb-production-line-in-europe.jpg
    Our Equipment in Europe

    FAQ

    Q1 What components are included in the thermal assembly?

    Copper wire, bimetal strip, moving contact, arc runner, and terminal.

    Q2 Is this a full production line or a single machine?

    It is a fully automated production line integrating multiple processes.

    Q3 What welding technology is used?

    Resistance welding or MFDC welding depending on configuration.

    Q4 Can the line be customized?

    Yes, it can be tailored to different product designs and production capacities.

    Q5 Does the line support high-volume production?

    Yes, it is designed for continuous, high-efficiency manufacturing.

    Q6 What certifications does the equipment hold?

    The equipment holds CE certification, meeting international safety and quality standards for electrical machinery.

    Talk to our team today

    Interested in this machine? Get technical details, layout drawings, or a customized quote today!

    contact us