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You are here: Home / Encoders / Johannes Huebner’s magnetic encoders require no bearings or housings

Johannes Huebner’s magnetic encoders require no bearings or housings

March 29, 2012 By Motion Control Tips Editor Leave a Comment

Johannes Huebner GmbH (www.huebner-giessen.com) has developed a new range of magnetic encoders that can be installed without housings or bearings. The new MAG(-G) 50-1200 magnetic encoders can transmit interference-free signals under extreme conditions while its system has been specifically designed to withstand shocks and vibration. This new technology serves as an alternative to traditional optical scanning principle, which requires a closed housing protection and a bearing-supported shaft.

With north-south poles, the company’s magnetic scanning principle employs a stationary sensor to record the magnetic field changes of the rotating pulse wheel, while the alternating magnetic field generates a rectangular or sinusoidal voltage in the sensor. In addition, the magnetic scanning principle also makes the encoders resistant to soiling while delivering large axial and radial tolerances.

MAG-G-magnetic-encoder

The developer noted that the MAG(-G) 50-1200 magnetic encoders are low-noise and wear-free devices. Its variant with a split pulse wheel is ideally suited for upgrades and retrofits and for applications without a free shaft end. The magnetic encoder technology is effective in various industrial applications, such as ship drives, steel mills, pumped storage power stations, gas and water turbines, conveyors, large excavators and drilling rigs.

The encoders can be adjusted to meet the specific requirements of the customers, said Huebner.

The all-new magnetic encoders can be installed even in highly confined spaces attributed to their narrow design. The system of the encoders with shaft diameter ranging from 16 mm to 1,000 mm can flexibly adapt to the set-up of the customer’s application. For attaching the pulse wheel, various options are offered, depending on the actual design conditions, such as screw mounting and hot shrink fitting and mounting by clamping plates, clamping pieces or tolerance sleeves.

Filed Under: Encoders Tagged With: Johannes Huebner GmbH

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