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Chuck length/diameter

Magnet technology
Poles  Poloha pólů k délce upínače

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

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Catalog number Chuck dimension Height [mm] Availability (approximate) Price without VAT
(valid for EU flag EU only)
D400 mm 90.00 on request
On request
D500 mm 90.00 on request
On request
D600 mm 100.00 on request
On request
D700 mm 100.00 on request
On request
D800 mm 100.00 on request
On request
D1000 mm 100.00 on request
On request
D1250 mm 123.00 on request
On request
D1500 mm 120.00 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
  • Guarantee: 2 years

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
Výkres Circu EP
Catalog number D (mm) H (mm) Weight (kg) Voltage (V)
Circu EM 400 400 90 76 170/340
Circu EM 500 500 90 120 170/340
Circu EM 600 600 100 195 170/340
Circu EM 700 700 100 265 170/340
Circu EM 800 800 100 365 170/340
Circu EM 1000 1000 100 550 170/340
Circu EM 1250 1250 123 990 170/340
Circu EM 1500 1500 120 1550 170/340