20 Tons Electromagnetic Suspension Overhead Crane

The 20 tons electromagnetic suspension overhead crane integrates advanced electromagnetic suspension technology with reliable overhead crane design, delivering exceptional performance, precision, and safety for industrial material handling. Specifically engineered to handle loads up to 20 tons, this crane is tailored for scenarios requiring efficient, contact-free lifting and transportation of ferromagnetic materials, addressing the limitations of traditional lifting equipment and setting a new standard in heavy industry operations.

20 Tons Electromagnetic Suspension Overhead Crane

20 Tons Electromagnetic Suspension Overhead Crane Core Technology & Working Principle

The crane adopts electromagnetic suspension (EMS) technology, which leverages the attractive force between electromagnets and ferromagnetic tracks to achieve contact-free suspension and movement. Unlike traditional overhead cranes that rely on wheels and rails with physical contact, this crane’s trolley and lifting mechanism suspend stably above the track through a precisely controlled magnetic field, eliminating friction between moving parts. The electromagnetic system generates a strong magnetic force when energized, securely adsorbing ferromagnetic materials such as steel plates, billets, scrap metal, and steel coils, while enabling smooth, precise lifting, lowering, and horizontal movement. A high-precision closed-loop control system dynamically adjusts the current in the electromagnet coil to maintain a stable suspension gap, ensuring consistent performance even during heavy-load operations.

Electromagnetic Suspension Overhead Crane Key Features & Advantages

20 Tons Electromagnetic Suspension Overhead Crane

• ◆ Superior Load Capacity & Precision: With a rated load of 20 tons, the crane is capable of handling heavy ferromagnetic materials with exceptional stability. The electromagnetic suspension design eliminates mechanical friction, reducing vibration and ensuring precise positioning—critical for applications requiring high accuracy, such as mold handling, steel plate stacking, and precision component transportation. The adjustable magnetic force allows for safe handling of irregular or layered materials, minimizing material damage.
• ◆ Enhanced Safety & Reliability: Equipped with a power-off magnetic holding function, the crane retains magnetic force even in the event of sudden power failure, preventing loads from dropping and minimizing accident risks. Additional safety features include overload alarms, emergency stop systems, and anti-sway technology, ensuring safe operation in high-intensity industrial environments. The contact-free design reduces wear and tear on mechanical components, extending the crane’s service life and reducing maintenance costs.
• ◆ High Efficiency & Energy Saving: By eliminating friction between moving parts, the crane operates with lower energy consumption compared to traditional overhead cranes. The electromagnetic lifting system eliminates the need for manual rigging or slings, reducing operational time by up to 40% and significantly improving handling efficiency. It supports continuous 24-hour operation, making it ideal for high-volume production scenarios such as steel mills and scrap recycling facilities.
• ◆ Flexible Operation & Adaptability: The crane offers multiple control modes, including pendant control, wireless remote control, and cabin operation, adapting to different working environments and operator preferences. It can be customized with different electromagnetic chuck configurations—such as rectangular, circular, or extended beams—to suit specific materials, including high-temperature steel, thin plates, and irregular scrap metal. The crane’s robust steel structure and IP65-rated magnet assembly ensure dustproof, waterproof, and corrosion-resistant performance, suitable for harsh industrial conditions with ambient temperatures ranging from -20°C to +180°C.

Application Scenarios

The 20 tons electromagnetic suspension overhead crane is widely used in various heavy industries, including steel metallurgy, scrap metal recycling, machinery manufacturing, shipbuilding, foundries, and heavy material logistics. It is particularly suitable for:

20 Tons Electromagnetic Suspension Overhead Crane

• ◆ Steel mills: Lifting and transporting steel plates, billets, steel coils, and scrap steel in workshops and production lines.
• ◆ Scrap recycling facilities: Efficiently handling and sorting ferromagnetic scrap metal without the need for bundling.
• ◆ Machinery manufacturing: Moving heavy molds, machine frames, and precision components with minimal damage.
• ◆ Shipyards: Lifting steel structures and components for ship assembly, meeting the high-precision requirements of marine manufacturing.

Quality & After-Sales Service

Our 20 tons electromagnetic suspension overhead crane complies with international standards, including CE, ISO 9001, and IECEx certifications, ensuring reliable quality and safe operation globally. We provide a comprehensive after-sales service package, including on-site installation, commissioning, operator training, and regular maintenance support. With a professional technical team and global service network, we ensure timely solutions to any operational issues, maximizing the crane’s uptime and operational efficiency.

As a revolutionary lifting solution, the 20 tons electromagnetic suspension overhead crane combines advanced technology, robust performance, and enhanced safety, helping enterprises improve production efficiency, reduce operational costs, and achieve sustainable development in the competitive heavy industry landscape.