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Tsubaki Lubrication-Free Roller Chain (Apr 2009) “The new generation lubrication-free Lambda chain series with enhanced wear resistant performance, is suitable for use in environments which need to be clean,” says Scott Larson, divisional manager of BMG’s power transmission division. “The easy-disassemble design Lambda series, which retains full chain strength in the connecting link, also has new benefits that include wear life twice as long as the previous series. This extended life service is achieved because of superior sintering bushing and an improved bushing-lubricant combination.” The new low maintenance series, which operates efficiently in a wide ambient temperature range of between -10°C and +150°C, has been shot peened parts for higher fatigue strength. The surfaces of the outer and inner link plates are Fe403 blackened for better corrosion resistance and there is smooth engagement with the sprocket and less wear on the sprocket teeth because of the durable roller. There is also a significant reduction in the risk of chain breakage because a specially selected steel alloy has undergone effective heat treatment. A specially developed ring-coining process employed on the connecting link increases the strength of the link plate around the pin holes to make sure the link retains the same high strength and wear resistance as the rest of the chain. The easy disassemble rivet pin design ensures that fitting and removal of the chain does not compromise the chain’s performance or service life. The standard Lambda series includes BS/DIN and ANSI drive and conveyor chain with attachments, double and hollow pitch conveyor chain, as well as double plus and accumulator chain with centre rollers. Special double corrosion resistant treatment of the WP series is performed before chain assembly and enhances efficiency of this chain. The ultra long life X-Lambda chain series has a special felt seal which increases the anti-wear performance to more than five times that of the standard series. This series provides a direct replacement for standard size roller chain and only requires standard dimension sprockets. It is available in the size range 06B-24B in both single strand and duplex form and is available from stock. Tsubaki high performance chains with special materials, coatings and lubrications, undergo an immaculate manufacturing process to ensure dimensional accuracy, constant geometry, high surface quality and extended service life. BMG’s national branch network offers a technical advisory service on correct chain selection - a critical factor in any power transmission system. For specific applications, chains with special materials, coatings and lubrications are available nationally, and to meet exact requirements, chains are accessible in any lengths. |
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