Group: Renold
Catalog excerpts
Self adjusting chain tensioner Superior Chain Technology
Open the catalog to page 1Leading edge technology Package solutions Renold provides practical cost effective solutions, with a commitment of value through quality. This is achieved by continuous investment in people, process technology and manufacturing. One stop for your drive systems, including roller and conveyor chain, gears, motors, couplings, variators and fabricated bases. Consistent reliability Renold's 130 years of experience in the design and manufacture of power transmission products, to the highest specifications, with proven performance in diverse industries worldwide, underwrites the guaranteed quality...
Open the catalog to page 2Roll-Ring is an innovative chain tensioner made from a specially formulated polymer. The unique design is based upon a 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. When the drive is in use, the Roll-Ring deforms to an elliptical shape, due to the 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. Vibrations...
Open the catalog to page 3Operating Environment The material mixture and manufacturing technology give Roll-Ring a high chemical resistance, flexibility in cold temperatures, stability in warm temperatures and stability against ultra-violet radiation. Roll-Ring chain tensioners are maintenance free and can be fitted to a wide variety of chain drives with no installation downtime. Roll-Rings ending with the code 01 are modified to the maximum permissible chain speed, wear period, chemical resistance and cold flexibility. They are therefore ideal for a wide spectrum of mechanical engineering. • There is a working gap...
Open the catalog to page 4Roll-Ring® Selection 4. Now check that D*= to A the correct product has been determined. If several types of Roll-Ring meet the criteria, select the one with the maximum number of teeth. Identify the ISO number of your chain e.g. 08B-1 For example if: Chain ISO number is 08B-1 D* = 85mm A* = 310mm Measure the inner width between sprockets in mm. This is dimension A* Measure the maximum width between the chain strands in mm by pulling the chain apart, starting and ending the measurement at the centre of the pins. This is dimension D* Then Roll-Ring 108 026 01 meets the criteria. If you wish...
Open the catalog to page 5BS data Technical details Article No. 01 Chain Dimension Chain Dimension Max Static Expansive Force Maximum Chain Speed Ambient Temperature Max Static Expansive Force Maximum Chain Speed Ambient Temperature Technical details Article No. 06 Chain Dimension Max Static Expansive Force Maximum Chain Speed Ambient Temperature Technical details Article No. 08 * universal for chain width of 1/8” to 5/16” ** at 20°C and maximum tensioning deformation; without dynamic tensioning force proportional to the chain speed
Open the catalog to page 6ANSI data Technical details Article No. 01 Chain Dimension Maximum Chain Speed Ambient Temperature Max Static Expansive Force Chain Dimension Max Static Expansive Force Maximum Chain Speed Ambient Temperature Technical details Article No. 06 Chain Dimension Max Static Expansive Force Maximum Chain Speed Ambient Temperature Technical details Article No. 08 * universal for chain width of 1/8” to 5/16” ** at 20°C and maximum tensioning deformation; without dynamic tensioning force proportional to the chain speed
Open the catalog to page 7For more information or to contact your local sales team go to Whilst all reasonable care is taken in compiling the information contained in this brochure, no responsibility is accepted for printing errors. All information contained in this brochure is subject to change after the date of publication. © Renold Power Transmission 2011. Ref: REN22 / ENG / 09.11 Want to find out more? Scan this QR code with your smartphone. No QR reader? Simply download one from your app store.
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