RINGFEDER® Shrink Discs - Easy & Fast Installation

The high-quality original from the world market leader: RINGFEDER® Shrink Discs are flange-shaped, friction-locked shaft-hub connections and the more powerful and reliable alternative to conventional shrink fits, wedge, keyway or polygonal connections. In contrast to internal locking devices, e.g. locking assemblies, the pressure is applied from the outside to the hollow shaft or hub, thus creating an absolutely backlash-free, frictionally engaged connection between shaft and hub. The shrink disc is therefore not in the load path - instead, the torque is transmitted in a force-locking manner at the joining surface between shaft and hub without an intermediate element. RINGFEDER® Shrink Discs also convince through complete freedom from wear and maintenance, easy assembly and dismantling as well as outstanding fatigue resistance and concentricity properties. Depending on customer-specific requirements, our shrink discs are available in proven standard and specially developed special variants, in two- and three-part designs as well as in stainless steel. In addition to torque and bending loads, axial and radial loads can also be transmitted.
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- www.ringfeder....
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About RINGFEDER POWER TRANSMISSION:
We are the international leader in niche markets for drive and damping technology. Under our strong brand RINGFEDER® we offer users worldwide outstanding locking devices, damping solutions and coupling systems for the highest functionality and durability requirements in a wide variety of industries. We not only provide our customers with expert advice based on almost 100 years of experience and expertise, but also develop innovative, tailor-made solutions together with them - with our aspiration to be Partner for Performance.
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[@shantasagarmarol9115]

How much torque applied for bolt

[@erdemgul4474]

Is this better reciprocal torquing?

[@ringfeder]

Dear Erdem! Thanks a lot for your comment which is very much appreciated. We strongly recommend applying the required tightening torque successively by 1/3- or 1/4-turn increments starting with a screw of the user’s choice and then continuing clockwise to the next one. If screws are fastened reciprocally, there is a considerable risk that the shrink disc’s rings will not be positioned exactly parallel to each other. As a result, screws may be overloaded, and transmission of the needed torque may not be achieved sufficiently during operation. If you have any further questions or require more information, please don’t hesitate to contact us directly or visit our website www.ringfeder.com. Thank you!