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News Release from: BMPTA British Mechanical Power Transmission Association | Subject: Gear failure research
Edited by the Manufacturingtalk Editorial
Team on 05 August 2003
Getting to know why high performance
gears fail
The BMPTA has a development programme to improve the fatigue strength and rating of high performance gears and seeks additional partners for the next phase in research.
A new development programme to improve the fatigue strength and rating of high performance gears has been announced by the British Mechanical Power Transmission Association (BMPTA) The new research will develop cost effective specifications for heat treatment and shot peening of case carburised and nitrided gears
This article was originally published on Manufacturingtalk on 17 Mar 2004 at 8.00am (UK)
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It will also resolve outstanding issues relating to fatigue strength data given in BS-IS0 6336.
BMPTA say that most importantly the research programme will follow-up previously identified 'promising techniques' for significantly improving bending fatigue strength.
The research includes work to quantify the improvements which can be achieved by root grinding combined with shot peening on both carburised and nitrided gears and by vacuum carburising and superfinishing.
The programme will also investigate the fatigue strength at long life and the influence of oils and oil additives on gear strength.
It's a collaborative research and development programme that follows the successful work carried out under the umbrella of the BMPTA - formerly the British Gear Association - by 13 companies as well as the Design Unit of the University of Newcastle from 1996 until last year.
THE BMPTA say that the six years of collaborative research and development has already generated a 'massive' amount of important data for surface and bending fatigue strength and significantly 'improved understanding' of gear failure.
The BMPTA is now actively seeking additional partners for this next phase and companies with an interest in taking part in the collaborative research project are invited to contact Andy Harry at the BMPTA.
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