Passive magnetic bearing

Magnetic levitation ensures excellent guiding accuracy in a plane, both linear and rotational: The passive rod levitates on a magnetic field and is actively guided by the field. Sequence errors are measured and compensated by very accurate contact-free sensors. Contrary to air bearings, which are also very accurate, magnetic bearings can also be used in a vacuum. New perspectives for high-precision positioning systems: The PIMag® 6-D is a study for a planar positioning system with magnetic drive and 6-D sensor. The system can detect and compensate deviations from the ideal path in all six motion axes.

Active magnetic bearing

Air-bearing solutions and magnetic linear motors currently represent the state of the art in inspection and manufacturing systems in the semiconductor industry. However, with increasing requirements for achieving nanometer precision or for applications in vacuum or nitrogen atmosphere, such systems soon reach their limits.

New perspectives are offered by high-precision magnetic direct drives, as they largely refrain from using mechanical components: Less friction and backlash, more precision!

PIMag® 6-D is an electromagnetic positioning system in which the passive platform levitates on a magnetic field and is actively guided by it.

What is magnetic bearing in surveying

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Magneticbearingsfor sale

Voice coil actuators and magnetic linear motors offer advantages compared to common spindle-based technologies, especially with regard to wear and dynamics. Since they use as few mechanical components as possible, this results in less friction and backlash and thus more precision.

New perspectives for high-precision positioning systems: The PIMag® 6-D is a study for a planar positioning system with magnetic drive and 6-D sensor. The system can detect and compensate deviations from the ideal path in all six motion axes.

In particular in terms of wear and dynamics, magnetic direct drives offer advantages compared to common spindle-based technologies.