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BELTS, PULLEYS & CHAINS PRODUCTS & APPLICATIONS IMPROVING DRIVE TRAIN EFFICIENCY


Understanding there were problems with the chains they were using, in 2011 the Great Britain Cycling Team got in touch with Renold which recommended a solution based on the same technology platform as its Synergy brand industrial transmission chain, which is said to


offer unrivalled wear and fatigue performance. Commenting on the need to improve drive train efficiency, Tony Purnell,


head of technology for the Great Britain Cycling Team, said: “Any loss of drive train efficiency means that some of the power from the riders’ legs gets wasted into heat, so it absolutely makes the bike quicker.” Detlef Ragnitz, engineering director at Renold, commented: “Elite athletes


make extreme demands on the chain. We looked at our technology portfolio to see what might be a good fit. Our synergy technology platform is very strong and durable, it has inherently low friction and gives us long life in industrial applications. In Industrial applications, greater efficiency means reduced carbon footprint. In cycling, it means more speed!” The chain features a specially surface treated pin and bush for greater


efficiency and wear performance. The side plates are precision formed and holed before being pre-stressed, resulting in optimal mechanical interference fits between plates, pins and bushes. This yields higher strength and fatigue. Further enhanced interference fit and corrosion protection is a result of the plates being nickel coated prior to assembly. The Chain was used to great effect by the Great Britain Cycling Team on


the track during the Rio Olympic Games. Renold Chain


BELT DRIVES REDUCE DOWNTIME AND MAINTENANCE The Quattro PLUS CRE is equipped with an


Available from ERIKS UK & Ireland, the Quattro PLUS CRE is a heavy-duty, cogged, raw edge EPDM wedge belt that is made of a synthetic rubber and polyester tension member for improved belt stability. The belt is available in four different profiles with lengths ranging from 512mm to 5000mm. It is said to be ideal for tropical climates in applications ranging from fans, compressors and pumps, to printing machines and elevators, given its ability to withstand temperatures from -40˚C to +130˚C. Its high performance polyester tension


member and EPDM contact section allow it to transmit 26% more power than traditional CRE belts, the company claims.


enhanced tooth profile that improves belt flexibility to reduce bending resistance and increase efficiency alongside service life, while its low weight helps to reduce both inertia and vibration. A lower pre-tensioning force also offers longer bearing life and extends the maintenance period between re-tensioning. The Quattro PLUS TW, meanwhile, is


conditionally oil resistant, available in lengths ranging from 1202mm to 9500mm, and able to withstand a temperature range of -30˚C to +80˚C. The belts are constructed using a state-of-the-


art wrapped chloroprene rubber construction and high modulus polyester cord to reduce elongation.


www.renold.com


They also have a 2-ply asymmetrical weave outer jacket that is highly abrasion resistant yet flexible enough to wrap around small diameter pulleys. As such, the Quattro PLUS TW is suitable for a wide range of industries and heavy-duty applications, including waste compactors, crushers, heavy duty conveyors and woodworking machinery.


ERIKS UK & Ireland www.fptgroup.com


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