Handling large sheet metal plates has historically presented significant challenges in industrial environments. Traditional methods, relying on hooks, chains, or cables, often lead to various issues: the sheets tend to flex, deform, or even suffer permanent damage due to uneven load distribution. This not only compromises the integrity of the material but also creates an unstable and potentially dangerous situation for personnel.

The **EPT-ST/TT Series Electropermanent Sheet Metal Handling System with Telescopic Traverse** revolutionizes this process. Designed for optimal safety and efficiency, this advanced system ensures that large, heavy sheet metal plates are carried equally from above, completely eliminating the risk of deformation or damage to the load. Furthermore, it streamlines the entire handling operation, allowing a single operator to manage the process remotely, significantly reducing the need for additional manpower and enhancing overall operational safety.

Working Principle

The core of the EPT-ST/TT Series lies in its innovative **electropermanent magnetic technology**. Unlike traditional electromagnets which require continuous power to maintain magnetism, electropermanent magnets only consume energy during the brief magnetization (MAG) and demagnetization (DEMAG) cycles.

Electropermanent Magnetism (MAG-DEMAG)

When a short electrical pulse is applied, the system becomes powerfully magnetized, securely gripping the sheet metal. Once this pulse is cut off, the magnetism persists indefinitely without any further power consumption, ensuring the load remains firmly held even during a power outage – a critical safety advantage. To release the material, another short electrical pulse is applied, instantly neutralizing the magnetic field. This reliable MAG-DEMAG cycle guarantees precise control over lifting and releasing operations.

Telescopic Traverse Mechanism

The system’s adaptability is further enhanced by its robust **telescopic movement**, powered by a specialized hydraulic pump. This mechanism allows the traverse arms to extend or retract smoothly, accommodating a wide range of sheet metal lengths. This dynamic adjustability is crucial for maintaining optimal load balance and preventing flex or deformation, especially when handling exceptionally long plates.

• For shorter plates, only the middle cross Electropermanents can be activated, optimizing energy use and magnetic footprint.
• For medium-sized plates, all cross Electropermanent Plates can be activated by ensuring the side modules are in the off position, providing balanced lift.
• For long plates, all cross Electropermanent Plates are activated, and the arms must be extended to their maximum opening to distribute the load evenly across the entire length.
• For narrow plates, operators can selectively activate only the left or right side modules, providing precise control and preventing unnecessary magnetic field spread.

Key Features and Benefits

The EPT-ST/TT Series is engineered with a suite of features designed to enhance safety, efficiency, and operational flexibility in demanding industrial environments.

• Unrivaled Safety: A paramount feature is its inherent safety; the system **does not release the material during power cuts**. This passive safety mechanism, unique to electropermanent technology, ensures that once magnetized, the load remains securely held, drastically reducing accident risks. It provides the maximum level of safety for both the operator and surrounding machinery.
• Exceptional Flexibility: The system offers unparalleled adaptability through its ability to lengthen or shorten the center distance between the cross traverses. This, combined with the precision control to individually select and activate magnetic modules, makes its use extremely flexible for handling an incredibly diverse range of sheet sizes and weights.
• Precision Telescopic Movement: The integrated telescopic movement is critical for the stable and damage-free transport of large and extra-long sheet metal plates. This capability allows for the precise positioning and balancing of loads of various lengths simply by extending or retracting the arms and selecting the appropriate magnetic modules.
• Robust Performance Specifications:
  • Max. Operating Temperature: -20 / +80ºC – ensuring reliable operation in a wide range of industrial climates.
  • Min. Sheet Plate Thickness: 5 mm – designed to securely lift plates meeting this minimum threshold, ensuring proper magnetic coupling.
  • Length of Sheet Plate: min. 6000 mm to max. 12000 mm – demonstrating its impressive capacity for handling exceptionally long materials.
  • Width of Sheet Plate: 2500-3500 mm – accommodating broad industrial sheets with ease.
  • Maximum Carrying Capacity: 8 Tons (tested on a minimum 20 mm scanned clean surface.) It’s important to note that the maximum lifting capacity can vary significantly. Factors such as the surface smoothness and cleanliness of the sheet metal, the magnetic susceptibility of the steel (specifically its carbon ratio), the actual thickness of the plate, and the total contact surface area of the part all influence the achievable lifting capacity.
• Optimized for Efficiency: The design allows for the number and dimensions of Electropermanent Plates to be tailored depending on the specific size of the sheet metal to be transported. This optimization ensures maximum lifting power where needed and contributes to significant time savings by streamlining transportation and drop-off processes, thereby preventing job loss and increasing throughput.

Reliability and Support

Our EPT-ST/TT Series Electropermanent Conveying Systems are proudly manufactured in our state-of-the-art Izmir Factory in Turkey, adhering to the highest quality standards. Each system carries the distinguished Mıknatıs R&D brand, a testament to our commitment to innovation and engineering excellence. We stand behind our products with a comprehensive company guarantee, complemented by robust technical service available both during and after the warranty period.

Recognizing that unique industrial needs often require specialized solutions, we also offer custom production capabilities. For specific requirements, inquiries, or to discuss how the EPT-ST/TT Series can integrate into your operations, we invite you to contact our dedicated technical team.