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Electro-permanent circular magnetic chuck Circu EP

When to use Circu EP magnetic chuck:

Due to its radial pole layout, the Circu EP magnetic chuck is suitable for grinding or turning round and cylindrical workpieces. Thanks to the electro-permanent technology, it is not necessary to be permanently connected to the electric current.


  • Energy saving technology
  • T-slots top plate on request
  • Delivered in version with compensated or non-compensated (full demagnetization) magnetic system
  • No heat deformation during use
  • Demagnetization by means of the chuck´s control unit

Other sizes 400 mm 500 mm 600 mm 700 mm 800 mm 1000 mm 1200 mm 1500 mm
Other sizes available on request

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Catalog number Chuck dimension Height [mm] Weight [kg] Availability (approximate) Price without VAT
EP400 400mm 90,00 76,00 on request
On request
EP500 500mm 90,00 120,00 on request
On request
EP600 600mm 100,00 195,00 on request
On request
EP700 700mm 100,00 365,00 on request
On request
EP800 800mm 100,00 265,00 on request
On request
EP1000 1000mm 100,00 550,00 on request
On request
EP1200 1200mm 110,00 990,00 on request
On request
EP1500 1500mm 120,00 1550,00 on request
On request

Detailed description:

The Circu EP is an electro-permanent magnetic chuck designed for installation on rotary tables of vertical grinders for clamping of tool and hardened steels and for heavy duty turning operations. The radial layout of the individual poles is suitable for work with circular or cylindrical shapes such as bearing rings, circular rings, bushings, etc. Using the control unit, the holding force can be controlled in several steps and fast and efficient demagnetization of workpieces can be performed. Thanks to the electro-permanent technology used there is no need for permanent connection to the mains. This results in high efficiency in operation and this also ensures the highest possible clamping accuracy.

Important parameters:

  • Technology: Electro-permanent
  • Poles: Radial
  • Regrinding limit: 8 mm

Additional information:

High holding force for clamping during the ultimate heavy duty machining, drilling, and turning operations. Available with pole plate equipped with T-slots for mounting pole extensions. The control unit can be programmed for different types of material to achieve maximum strength and effective demagnetization after machining. At the same time, it is possible to adapt the force to clamp even thinner parts without any deformation. The chuck can be connected via the slip ring in the machine tool spindle, or through the connector located directly on the magnetic chuck.


  • circular grinding, roughing, turning

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