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THE FUTURE OF TYRES

1st March 2007, Page 54
1st March 2007
Page 54
Page 54, 1st March 2007 — THE FUTURE OF TYRES
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Key materials such as rubber, textile and steel have been used for decades, and these basic components are unlikely to change in the near future. However, the chemical compositon, along with the durability and strength of the rubber compounds, steels and textiles, are constantly being improved.

Regarding tread patterns, the trend has been to develop products specific to the axle position, so fewer all-purpose tyres are used on commercial vehicles. Ribbed patterns will be maintained on steer and trailer tyres, with block patterns being used on drive axles. The applications and requirements of vehicles, though, will continue to determine the tread-pattern designs, as will vehicle technology. There is a growing requirement for highhorsepower vehicles, bringing with it a necessity for added traction and grip.

Low-profile tyres are also making their way into the industry, particularly on modern trailers. With lower cross-sectional ratios, the trailers can increase the volume they can hold, Apart from an increase in Load, such tyres also offers a lower centre of gravity, along with increased stability, a reduction in weight and, in some instances, a lower rolling resistancethus improving fuel economy.

Single drive-axle tyres are not so popular in the UK up to 40 tomes, and unintentionally prohibited by law at 44 tonnes manufacturers are campaigning for the law to change. However, they are growing in popularity on the Continent. Operators are already seeing benefits in weight savings and increased payloads, and may be the way forward here if LHVs (longer, heavier vehicles) get the go-ahead.

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