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Tsubaki is providing all the non-lube, low maintenance benefits of its well proven Lambda chain in a heat resistant version that has an operational temperature range from 1500C to 230oC. The new heat resistant Lambda shows no degradation at high temperatures and offers over four times the wear life of standard RS50 chain at 230oC.
The launch of H.T. Lambda extends the lube-free, elongation- free characteristics of Lambda chain into applications such as heat sealing in packaging, semiconductor production, dry and steel furnaces and die casting - for components such as automotive parts. Previously these processes would have been served by standard chains with special coatings, which were both costly and did not offer good wear life.
Tsubaki’s H.T. Lambda overcomes this problem, as its design is a proprietary one purely for high temperature operation. This offers many advantages, not least that, unlike standard chain, H.T. Lambda does not have to be derated for high temperature operation, due to chain rollers and plates losing their strength. To account for this problem standard roller chain generally has to be much larger when used at higher temperatures. As a result, it is more costly, takes up more space and uses more energy to transmit the same power as the H.T. Lambda chain.
In tests performed in a 2300C environment, Tsubaki’s H.T Lambda chain achieved over four times the wear life of RS50 standard chain and about three and half times the life of  Tsubaki’s standard Lambda chain, which is not designed for high temperature operation. Importantly, although the standard chain showed degradation at this high temperature, H.T. Lambda did not.
The lube free performance of H.T Lambda at high temperatures is the result of a construction that employs special oil impregnated bushes. These provide stable lubrication and anti-wear properties for the chain at high temperatures. The design also employs specially coated pins, solid rollers and inner plates that are coated with nickel. HT Lambda employs NSF H-1 Food Grade lubricant, ideal for applications where it is an industry requirement.
In addition to its high temperature performance, H.T. Lambda is part of Tsubaki’s eco-friendly chain group and has undergone a life cycle assessment LCA. This is a systematic evaluation of the environmental aspects of the product through all stages of its life cycle, from raw materials to waste management, including recycling and final disposal. With the majority of Lambda chains the LCA has revealed real ecological benefits, with CO2  emissions reduced by 89.4%.
Contact for reader enquiries: Marketing Department, Tsubaki UK Ltd, Osier Drive, Sherwood Park, Annesley, Nottingham. NG15 ODX. Tel: 01623 -688788
Fax: 01623 -688789       e-mail: sales@tsubaki.co.uk. Web: www.tsubaki.co.uk
For editorial enquiries contact: Roland Renshaw, DMA Europa Ltd, 2nd Floor, Snuff Mill Warehouse, Park Lane, Bewdley, Worcestershire, DY12 2EL. Tel: 01299 405454 Fax: 01299 403092 Email: roland@dmaeuropa.com

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