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Flanged Housing Units With Service Package For Electric Motors

- Apr 27, 2018 -


FAG flanged housing units FERS (left) and FERB (right) with service package for electric motors: Condition monitoring system SmartCheck and grease lubricator Concept2.

SCHWEINFURT/HANOVER, March 27, 2018. For motor manufacturers, designing and manufacturing customer-specific electric motors in small batch sizes is a major challenge, particularly in terms of cost effectiveness. FAG flanged housing units from Schaeffler provide a quick, low cost solution for this “project business”. The locating and non-locating rotor bearing support, lubricating system, seal and housing are precisely matched to each other and delivered in a ready-to-fit unit. This significantly reduces the outlay for the motor manufacturer’s design department and production facilities. To ensure every customer requirement is covered, Schaeffler offers a total of four series:

  • The grease-lubricated FERS and FERB series can be equipped with various bearing types depending on the requirements of the application and are suitable for both horizontal and vertical mounting positions.

  •  The FKC design was developed for heavy-duty horizontal machines and is equipped with a radial spherical roller bearing. This unit is lubricated with oil, and oil sump or recirculating oil lubrication can be implemented depending on requirements.

  • The FKB design, which is intended for use in large vertical machines, is equipped with axial spherical roller bearings and a radial deep groove ball bearing, and can be used with either oil sump or recirculating oil lubrication.

FAG flanged housing units with shaft diameters of 100 mm and upwards are designed in such a way that they can be adjusted to fit customer-specific end shield and motor shaft interfaces. As an alternative to current-insulated bearings and hybrid bearings, the housing flange can be supplied with a current-insulating coating to provide protection against the passage of electrical current.

The SmartCheck can be adapted to fit the FAG flanged housing units (here: FKB design) and detects irregularities such as incipient bearing damage and imbalance based on the solid-borne vibrations.

Update with SmartCheck and Concept2

The SmartCheck was developed specifically as a condition monitoring system for electric motors, fans, pumps and similar rotating machines. It can be adapted to fit the FAG flanged housing units and detects irregularities such as incipient bearing damage and imbalance based on solid-borne vibrations. Furthermore, it can be used in combination with an additional control system to trigger lubricating pulses to a grease lubricator such as the Concept2 from Schaeffler. Both over-greasing and insufficient lubrication of rotor bearings that are lubricated with grease is therefore reliably prevented. This increases the operating life of the bearings and reduces both the likelihood of failure and the maintenance costs for the drive.


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