Gear housing

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The gear housing is the casing that surrounds the mechanical components of a gear box. It provides mechanical support for the moving components, a mechanical protection from the outside world for those internal components, and a fluid-tight container to hold the lubricant that bathes those components.

Housing for a Triumph gearbox.

Methods of manufacture[edit]

Traditionally, it is made from cast iron or cast aluminium, using methods of permanent mold casting[1] or shell molding.[2] Experimentally, though, composite materials have also been used.[3]

See also[edit]


  1. ^ Todd, Allen & Alting 1994, pp. 258–262.
  2. ^ Degarmo 2003, p. 308.
  3. ^ "Affordable Helicopter Drive Train Housings" Archived 23 July 2007 at the Wayback Machine. Retrieved 5 January 2012.