Inspection Technology In The Aero Engine Industry
Author(s)
D.F. Toller
Abstract
Inspection technology in the aero engine
industry
D.F. Toller
Head of Manufacturing Technology, Rolls-Royce pic, Derby, UK
Abstract
Today's advanced gas turbines such as the Rolls-Royce Trent operate in harsh
conditions to levels of reliability that are unprecedented for most other complex
manufactured products. Indeed Rolls-Royce holds the record for the world's
most reliable turbofan - an RB211-535 which ran for 40,500 hours and covered
over 18 million miles on an Iceland Air Boeing 757 before its scheduled
overhaul in March 2000. Compare that with a car engine doing 150,000 miles
or ~ 5,000 hours before overhaul. Or machine tools, which if heavily used need
an overhaul after, say 7 years or 10 000 hours of use.
In order to achieve such high levels of reliability it is clearly necessary to
ensure that components are designed and manufactured to world beating levels
of quality.
Since a typical engine contains over 30,000 components sourced from up to
600 suppliers world-w
Keywords
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