PLESSEY Aerospace at Titchfield, Hants has installed a Compact 100 vacuum furnace from Cambridge‐based suppliers Torvac. The furnace has just completed the warranty year in operation on a wide range of heat treatments, brazing and degassing applications. The work is generally carried out to the full rigors of aerospace standards including mSR 953, CAA DAI/7591/65 and STAN 05/21. Typical of the jobbing work is the vacuum hardening of bevel gear box components which Plessey manufacture for the AV8B engines used in the Harrier jump jet.
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