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Ring rolling with variable wall thickness


Technology Description

The process uses control of roll gaps and speeds to achieve variable wall thickness of metal rings. This could reduce by about half the material losses from conventional processes, in which non-axisymmetric rings are cut from larger rings and anywhere from 50 to 90% of metal can be lost. The technology would be applicable to ring-formed components, including aerospace engines, rotating machinery (ex. steam and wind turbines), bearings and pipes. It could likely be used for most formed metals.

Relevance for Net Zero

The technology has good potential to considerably reduce forming losses from ring-shaped forms, but is still at an early stage of development.

Key Countries

United Kingdom

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