Active magnetic bearing Maintenance-Free bearing for maximum speeds

High speed applications require high quality bearing solutions. Magnetic bearings are wearless and maintenance-free thanks to contactless bearing. The magnetic bearings do not require any lubricant, making them ideal for high-speed applications. The magnetic bearing generates bearing forces purely electromagnetically and is therefore particularly suitable for machine operation in a vacuum.

Active magnetic bearings are particularly suitable for automated drive solutions for high-speed applications. 

Your benefits:

  • Actuator, sensory components and magnetic bearing electronics from a single source
  • Complete magnetic bearing motor systems for special and turbo applications
  • Magnetic bearing electronics can be optimally integrated into a system's drive train
  • Voltage supply from the drive train possible (incl. grid support)
  • Suitable for maximum speeds
  • Active compensation of imbalances
  • Compact 2- and 3-phase bearing technology
  • Permanent-magnetic-supported bearings for maximum energy efficiency and easy construction
  • Combined radial and axial bearing for short axial lengths
  • Patented high-resolution position sensors integrated into the magnetic bearings for maximum accuracy
  • Integrated temperature sensor
  • Complete magnetic bearing control for 5 plus 1 axes
  • Also available as onboard electronics directly on the motor or in a control cabinet variant.
  • Evaluation of high-resolution position sensors and integration of power electronics in one housing
  • Magnetic bearing electronics based on standard servocontroller series
  • Simple parameterization and control using software tools, bus systems and digital I/Os
  • Simple integration into existing communication structures
  • Available complete with fitting cables for connection to the magnetic bearing controller
  • Commissioning and parameterization using a graphic user interface
  • User group-specific access rights
  • Adaptable imbalance compensation
  • Adjustment of bearing damping and stiffness
  • Suitable for maximum speeds of up to over 100,000 min-1
  • Provision of extended process information via integrated sensor (e.g. vibrations, forces)
  • Grid support operation for safe decommissioning in case of a power failure up to virtually zero speed

Technical data for the magnetic bearing

  • Speeds: up to more than 100,000 min-1
  • Load capacity: up to approx. 3,000 N
  • Air gap: 0.1 to 3 mm
  • Shaft diameter: approx. 10-160 mm
  • Cooling: suitable for air and water cooling
  • Media stability: Can be implemented in a vacuum, hermetic encapsulation possible (can)

Magnetic bearing motors / generators Complete drive solutions for high-speed applications

  • Optimal solution for blower and turbine applications
  • Can be used as magnetic bearing motor or generator
  • Completely maintenance-free
  • Power: up to 30 kW
  • Speed: up to 60,000 min-1 (depending on the pressure ratio and the medium)
  • Bearing force: 1,000 N (radial)
  • Scope of supply: without impeller
  • Built-in magnetic bearing electronics for simple and low cost installation
  • Integrated water cooling

Magnetic bearing spindles Complete solutions for challenging processing tasks

  • Magnetic bearing spindle solutions for processing tasks with specific requirements
  • Power in the multi-kilowatt range
  • Speeds of up to 60,000 min-1
  • Automatic tool clamping system
  • Targeted periodic deflections of the shaft position are possible in radial and axial directions
  • Integrated minimum lubrication (MQL)

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