Seven-Axis Mill Liner Handler

Mill liner replacement is a critical maintenance task in mining operations. Traditional methods are not only costly and hazardous but also result in extended downtime that significantly impacts overall plant productivity. The seven-axis mill liner handler provides a safer and more efficient solution for maintaining large grinding mills such as SAG mills and overflow ball mills, etc,. It substantially reduces liner replacement time, minimizes manual operation risks, and enhances overall equipment operating efficiency.

    Product Details

    Continuous innovation driving liner replacement technology

    With our deep understanding of on-site operational requirements and thorough research into actual liner replacement scenarios, our liner handler has evolved into the seven-axis mill liner handler. With breakthroughs in flexibility, control accuracy, and working range, it is capable of handling liner replacements for weights ranging from 1 to 5 tons. This versatility has made it the preferred choice for many domestic mining enterprises while also gaining broad recognition in international markets.

    Working Principle

    As a specialized lifting device, the liner handler uses a hydraulic system to drive the main beam, which moves along tracks or via wheeled ground travel, accurately extending into the mill shell to remove worn mill liners and install new ones. Its unique seven-axis design expands the robotic arm’s range of motion, making liner grasping, shifting, and alignment smoother and more efficient. Throughout the process, the liner handler works in coordination with a liner transport cart to ensure a seamless and continuous workflow.

    Advantages

    1.Reliable Performance

    • Walking system of liner handler offers both track-based and wheeled options, providing stable power transmission with low noise.
    • Maintenance-free electromagnetic braking ensures safe and reliable operation.

    2. Safety & Stability

    • Hydraulic cylinder-driven main beam equipped with a safety lock.
    • Adjustable forward movement (1–3 meters) to suit mills of varying lengths while maintaining balance during transport and lifting.
    gears liner handler
    mill liner handler machine

    3.Easy Maintenance

    • Overhead cylinder design for intuitive inspection and quick replacement.
    • Simplified maintenance procedures reduce downtime significantly.
    • Integrated safety control system with remote operation, load monitoring, and hydraulic rotating liner car for enhanced operator protection.
    • Advanced sensor system with safety PLC for intelligent fault detection and monitoring.
    • Multi-language HMI providing real-time status display, maintenance guidance, and data recording.

    4.Scalability & Upgradability

    • Modular design supports future software upgrades and functional expansions.
    • Plug-and-play replacement parts further reduce downtime.
    • Optional remote assistance and optimization services available for continuous improvement in liner changeout efficiency.
    gears mining liner handler
    sag mill liner handler

    5.Service & Support

    We provide not only equipment but also comprehensive service support, including:

    • A complete portfolio of liner replacement equipment: mill liner handlers, feed chute transporters, bolt impact tools, and auxiliary systems.
    • Equipment inspection, preventive maintenance, and operator training.
    • Online diagnostics and remote technical support to ensure maximum lifecycle efficiency.

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