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Carter Manufacturing custom Stainless Steel Slewing Bearing after use in an Ultra High Vacuum for 6 years.

Carter Manufacturing custom Collimator Carrousel Bearing is still going strong after 6 years under extreme Ultra High Vacuum environmental conditions.

Instrument-schematic

Carter Manufacturing got involved with the project back in April 2007 when approached by a world leading ion beam research laboratory in Oxfordshire to design and supply a bespoke non magnetic stainless steel slewing ring bearing to rotate the instrumentation of a high-resolution magnetic diffractometer.

Non-Magnetic-Slew_Ring-Bearing-In-Vacuum-tank

For the multi-purpose diffractometer, it is convenient to adjust the geometrical resolution to the requirements of the specific problem, whenever relaxing the resolution results in a significant increase in flux. On this project it is accomplished by varying the horizontal divergence of the primary beam by means of a series of interchangeable guide sections. The beam transport before the final “guide carousel” is based on a ballistic guide, and is designed to cater for a variety of resolution options.

Non-Magnetic-Slew_Ring-Bearing-In-Vacuum-tank-on-Instrument

The bearing is a 750mm Diameter 304 Stainless Steel Four Point Contact Hybrid Ball Bearing which is incorporated into a custom 304 Stainless Steel Externally Geared Slewing Ring. The bearing used directly above a Tesla and is designed to be fully Non Magnetic and capable of operating in an Ultra High Vacuum of 1×10-9 running without grease lubrication.

ISIS Target Station 2 building progress, WISH beamline, 20th Jan

A recent inspection confirms that the bearing is now in its’ 6th year of operation and is still going strong.

Do you have an extreme environment?

Contact the Bearing Specialists Carter Manufacturing team today for a solution.

Author: Edward White, Carter Manufacturing Limited

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