Roll Ring Chain Tensioner
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OLL-RING® is a simple yet innovative chain tensioner made from a specially formulated polymer. The unique design is based upon a simple toothed ring that can be fitted to horizontal, vertical or diagonal drives in a matter of seconds, simply by placing it in-between the two strands of chain, it is also is self-adjusting and maintenance free.
When the drive is in use, the ROLL-RING® deforms to an elliptical shape, due to compression between the strands and completely absorbs any slack in the system. ROLL-RING® performs the job of a tensioner and a damper in one, and is ideally suited to applications where maintenance is difficult or impossible.
ROLL-RING® chain tensioners provide tensioning using:
Static tensioning force from the elastic ring
Dynamic tensioning force from the damping of the working material
ROLL-RING® provides as much tensioning as possible at low chain speeds, and has reserves of tensioning and damping capability for higher chain speeds. The diagram below shows the tensioning force of a ROLL-RING® chain tensioner with its individual allocations of tensioning forces and their resulting effects.
Benefits
The ROLL-RING® chain tensioner provides cost effective, time saving installation and maintenance.
The advantages over other types of chain tensioners are:
ROLL-RING® is easily installed where space limitations prohibit the use of conventional chain tensioners.
ROLL-RING® is fitted in a matter of seconds.
Free standing: no sprockets, bolts, plates, drilling or costly installation required
It is ready for use without any tools, tensioning equipment or any further alignment or adjustment.
It is fully effective in vertical and diagonal drives.
ROLL-RING® works automatically, is maintenance free and self lubricating.
It can be used in dusty and dirty environments.
ROLL-RING® is a tensioner and damper in one, thus reducing noise levels.
ROLL-RING® also works in reverse mode.
ROLL-RING® chain tensioners reduce chain wear and improve the quality and efficiency of the complete chain drive.
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