Rectangular lifting magnet EP


Rectangular lifting magnet EP

Rectangular lifting magnet (EP)

The EP type rectangular lifting magnet (electromagnetic gripper) is designed for handling castings and slabs. The lifting magnet with special shaped pole shoes is adapted to lift sheet metal coils and wire with winding axis horizontal. The EP electromagnet improves internal transport in steelworks, shipyards and foundries. The use of the EP electromagnet shortens loading times in ports, railway terminals and steel warehouses.

The EP electromagnetic gripper is reliable, very robust and designed for S3 75% intermittent periodic duty. The electromagnetic gripper is characterized by high attractive force, high lifting capacity and high handling efficiency. The EP electromagnet has a high-quality winding made of aluminum tape with the highest class of insulation. This makes it resistant to high temperatures and very durable.

Performance features of the rectangular lifting magnet from Magnetix

  • Custom-made lifting magnet according to individual requirements.
  • Robust and durable design adapted for intermittent operation under difficult working conditions.
  • High-quality electromagnet winding made of aluminum tape.
  • Electromagnet insulation made in class C up to 300°C.
  • Relative duty cycle 75%. Maximum cycle time 10 minutes.
  • Excellent thermal properties and optimal heat dissipation from the interior of the lifting magnet.
  • Handling of hot materials up to 650°C.
  • Adjustment of electromagnet current and attraction force by digital AC / DC converter.
  • Shortest magnetization / demagnetization time of the lifting magnet.
  • High handling efficiency compared to competitive solutions.

Applications of the rectangular electromagnet

  • Handling of single sheets and sheets in packages.
  • Loading sheet metal and wire coils with winding axis horizontal.
  • Handling of cast ingots, slabs and billets with temperatures up to 650°C.
  • Handling of iron and steel castings in foundries.

EP electromagnetic gripper during operation

Versions of the rectangular lifting magnet

  • EP-1B type lifting magnet
    Electromagnet with 1 active magnetic pole intended for thick sheets and sheets in packages.
  • EP-2B type lifting magnet
    Electromagnet with 2 active magnetic poles intended for billets and single steel profiles.
  • EP-3B type lifting magnet
    Electromagnet with 3 active magnetic poles intended for thin sheets and bundles of bars, pipes and other steel profiles.
  • EP-V type lifting magnet
    Electromagnet with special shaped pole shoes designed for sheet metal coils.

EP lifting magnet accessories

  • Control cabinet for power supply, control and monitoring of the lifting magnet.
  • Digital AC/DC converter providing precise regulation of electromagnet current, quick circuit discharge function and tipping function.
  • Emergency back-up power supply system provided with immediate voltage failure signalling and switching over to the emergency battery supply.
  • Spring-driven or motor-driven cable reel supplying power to the lifting magnet.
  • Remote control from the gantry operator control panel.
  • Radio control for ground personnel.
  • Chain slings.

Principle of operation of the lifting magnet

The electromagnetic gripper in a non-magnetized state (disconnected from the power supply) is lowered onto the load by the crane operator. After applying the supply voltage from the control cabinet, direct current flows through the electromagnet winding. A strong magnetic field is generated at the magnetic poles of the gripper. This operating state is called magnetization of the gripper. The gripper attracts the load until the operator turns off the power. This operating state is called demagnetization of the gripper. The digital AC/DC converter installed in the control cabinet is responsible for the quick discharge function of the circuit and regulation of the electromagnet power.

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