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mcb spot welding machine
spot welding machine
MCB parts automatic loading in fixture

MCB Welding Machine for Bimetal, Arc Runner & Terminal - China Suppliers & Factory for Circuit Breakers

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The MCB Welding Machine for Bimetal, Arc Runner, and Terminal is a cutting-edge automated welding solution designed specifically for the precise welding of bimetal components, arc runners, and terminals in miniature circuit breakers. This machine guarantees stable welding quality, high efficiency, and reliable electrical performance, making it the perfect choice for manufacturers in China seeking top-notch equipment for low-voltage circuit breakers and electrical protection devices.

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✅ Advanced Simultaneous Welding Technology

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✅ Durable and Dependable Welding Quality

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✅ State-of-the-Art Control System

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✅ Compact and Integrated Design

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As leading manufacturers and suppliers, our factory is committed to delivering innovative solutions that enhance your production capabilities and meet the demands of the electrical industry.

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    Contact us
    Product Detail

    Equipment Overview

    The MCB Welding Machine For Bimetal, Arc Runner and Terminal is an advanced automated solution designed to perform simultaneous welding of three critical components—bimetal strip, arc runner, and terminal—within a single cycle.

    Unlike conventional processes that require multiple welding steps, this machine uses a synchronized positioning and welding system to join all components at once. This significantly reduces cycle time, eliminates intermediate handling, and ensures perfect alignment between parts.

    Equipped with high-precision servo control and advanced resistance or medium-frequency inverter (MFDC) welding technology, the machine guarantees uniform welding quality, strong bonding, and low electrical resistance.

    This solution is ideal for high-volume MCB manufacturers seeking maximum efficiency, reduced labor dependency, and consistent product performance.

    Main Functions

    • Automatic feeding of bimetal strip, arc runner, and terminal
    • High-precision synchronous positioning system
    • Simultaneous welding of three components in one cycle
    • Welding parameter control (current / pressure / time)
    • Multi-point welding coordination
    • Weld quality monitoring (optional)
    • NG detection and automatic rejection
    • Automatic unloading of finished 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:

    • Miniature Circuit Breakers
    • Low-Voltage Circuit Breakers
    • Electrical Protection Devices
    • Electrical Switchgear Manufacturing
    • Circuit Breaker Component Production Lines

    After-Sales Service & Support

    We are committed to long-term cooperation with full technical 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
    Our Equipment in China
    TF Automatic MCCB production line in Europe
    Our Equipment in Europe

    Frequently Asked Questions (FAQ)

    Q1 Are the three components welded at the same time or sequentially?
    They are welded simultaneously in a single cycle, which is the key advantage of this machine.
    Q2 What are the benefits of simultaneous welding?
    It reduces cycle time, eliminates repositioning errors, and improves consistency.
    Q3 What welding technology is used?
    Resistance welding or MFDC welding with synchronized control.
    Q4 Is the machine suitable for different MCB designs?
    Yes, it supports flexible tooling and quick changeover to accommodate various MCB models.
    Q5 Can it be integrated into a full production line?
    Yes, it is designed as a core module for automated MCB production lines.
    Q6 What certifications does the machine hold?
    The machine holds CE certification, meeting European safety and quality standards for industrial equipment.

    Talk to our team today

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

    contact us