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Small pitch attachment chain for high-speed, precision conveying

21 April 2011

Tsubaki’s small pitch attachment chain product range includes single pitch - from as small as RS25 (6.35mm) - and double pitch chain, the latter with flat link plates being suitable for applications where the conveying distance is relatively long or the speed is low. Options, such as lube-free chain, corrosion protected and resistant chain, lightweight options using plastic rollers, and high precision chain for critical indexing and conveying tasks are all available.

Small pitch attachment chain offers some specific advantages for conveying smaller products where accuracy and smoothness of motion are essential. The small pitch means more compact design capability, and being generally light weight the chain inertia is reduced helping keep motor size and thus energy costs down.

The lube-free conveyor chain employs special oil-impregnated bushes to deliver long life with no additional lubrication. A further option is corrosion protected coatings for carbon steel chain or corrosion resistant conveyor chain manufactured in a number of grades of stainless steel or engineering plastic. Where the ultimate in precision is required, Tsubaki offers chains that employ needle bearings between the pins and bushes with virtually no chain wear elongation after initial bedding in.

To address the special requirements of advanced accumulating conveyors, Tsubaki has a free flow series where the speed of the conveyed objects can be freely controlled or stopped at any time and at any position for accumulation or for performing a task at a station without stopping the conveyor. This series is headed by the Double Plus chain; a special construction combining the use of small and large rollers allows high speed transfer at 2.5 times the speed of the base chain itself allowing accumulation with low noise characteristics. The design of the chain and enclosed nature of the guide rail, along with the optional snap fit covers minimises chain exposure and this improves safety.

Small pitch attachment chains are based on roller chains with attachments added, making them suitable for conveying use, with some chains also having a flat link plate form. Available for direct or indirect product contact, the range of standard attachments covers a broad spread of application requirements, including many specialist conveying tasks. Tsubaki UK offers a ‘build to order’ service that opens up a vast array of variations. Small pitch chains held in stock are ready to accept a range of attachments, tailoring them to a much wider range of applications.

Where there is a need for non-standard attachments, Tsubaki UK also has the in-house capability to offer a ‘made to order’ service. Complete specified designs can be manufactured in the UK with short turn-around times for smaller production runs and from our purpose built Tsubaki custom chain division in Japan for more complex and larger volume requirements.

Tsubaki’s environmental approach helps customers achieve their own environmental objectives. Tsubaki is developing the Eco Eco approach (Ecology & Economy) working for both a reduced environmental burden as a result of our manufacturing and enhanced economic efficiency, such as cost saving for customers, through environmentally friendly products. We are helping to achieve this aim through the features of our small pitch conveyor chains for example working within RoHS guidelines for the use of non hazardous materials.


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