Triumph ‘impressed’ with PWI seal

24 June 2008

Triumph Motorcycles has improved performance and reliability on a new model with enhanced sealing for its gearbox output shaft. Pioneer Weston International (PWI), a division of Eriks UK, developed and supplied the seal that was required to work in temperatures exceeding 70°C.

The seals also had to operate in an oil-laden environment, on a shaft rotating at speeds up to 3000 rpm.

Following the initial quotation, PWI took less than three weeks to produce the first samples. Working with the initial samples, PWI was able to confirm the dimensional tolerances of the seals, and also that the materials used met the requirements of the application. The company then subjected the samples to validation test cycles, using in-house dynamic test rigs.

Three hundred hours of validation testing was completed before the products were released to Triumph for it to carry out its own testing and evaluation. Validation testing at PWI was continued to 600 hours.

David Lakin, purchasing manager at Triumph, said he was ‘impressed’ with PWI. He praised the company for its quick development and production, adding: ‘we’ll expect the same service on all of our future orders’.

PWI has also supplied a quotation and samples for a rotary lip seal to be used in the rear suspension strut of two current models.

Rick Treharne, managing director of PWI, said: ‘We believe that, with our experience and expertise, our access to the best and latest materials, and our in-house design, testing and manufacturing facilities, we are better placed than any other seal supplier to meet these challenges.’

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