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Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

20/04/2021 - 22/04/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

No-contact sealing solution for pumps

No-contact sealing solution for pumps Precision parts supplied by Bauer Springs are used extensively in the manufacture of vane cell pumps as wide specified within the automotive industry. Pump assemblies comprise rotors, vanes and housings which are manufactured to dimensional tolerances of less than two microns. They are part of common-rail injection pumps used in vehicle power assisted steering, as well as fuel injection equipment where high pressures of up to 1350bar can be experienced. Bauer Springs has considerable experience in precision blanking and grinding, combined with a capacity for high volume production. This ensures that it is able to supply quality components, held to very close tolerance limits, for use in a wide range of engineering applications where product performance and reliability are paramount. Christian Bauer, parent company of Bauer Springs, is claimed to be the world's only manufacturer of pump vanes to miniature dimensions. These are produced from high-speed and roller bearing grade steels, in a range of sizes, either with or without notches to suit varying motor radii assemblies. The clearance tolerances of the vanes moving within the rotor slots present a great production challenge, which involves precision engineering covering evenness, parallelism, and both angular and dimensional stability, together with surface roughness, all to be maintained within the micron range. Rotors are mounted eccentrically within a housing and the vanes, operating with pinpoint accuracy under centrifugal force and spring pressure, create a no-contact seal with the housing so that the pumps run both quietly and with high efficiency.
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