Shrink Discs Shrink Discs Shrink Discs stainless steel Product Paper & Tech Paper

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Your system supplier for every aspect of power transmission We say what we mean and mean what we say. We see things from our customers‘ perspective. We are considerate of our employees and their families as well as of our environment and society. RINGFEDER POWER TRANSMISSION is the global market leader in the niche markets of drive technology and is well regarded for its customer-specific, application-oriented solutions that ensure excellent and failure-free operation for its clients. We offer locking devices, damping technology and couplings for OEMs but also for the final customer under our...

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Your projects are our drive Know-how: Over 90 years of expertise. Rely on decades of engineering expertise from the inventor of the friction spring. As an expert in drive and damping technology, we are your reliable partner wherever forces are at work. Be it the permanent transfer of very high torques due to non-positive or positive connections or the absorption and trapping of extreme energies to protect expensive constructions. Your expert partner: From development to the finished product. We accompany you through to the successful completion of your project. Beginning with the development...

RINGFEDER® Shrink Discs Introduction Keyless shaft-hub locking devices have been the cornerstone of the RINGFEDER®. For over 90 years, our product offering of internal clamping and external clamping locking devices and global support has been unparalleled in the industry. Clearances considered for the calculation of the function values dw Surface finishes For shaft diameter dw: Ra ≤ 3,2 μm For hub bore: Ra ≤ 3,2 μm Any other tolerances can be chosen. As long as the stated max. clearance is not exceeded, there will be no variations of the functional characteristics. Characteristics Shrink discs...

Two-part shrink discs by RINGFEDER® are characterised by an extremely flat single cone and transfer the necessary torque in a similar way to a taper interference fit. The screws on the shrink discs can be tightened without using a torque wrench and therefore the discs can be mounted quickly and easily. The transferred torque is thus ensured via route-controlled assembly. Three-part RINGFEDER® shrink discs are characterised by a steep double cone and transfer the required torque in a similar way to a taper interference fit. In contrast to this, however, the RINGFEDER® shrink discs can be simply...

Shrink Discs RINGFEDER® RfN 4051 Further information on RINGFEDER® RfN 4051 on www.ringfeder.com Lighter version for moderate transfer values – particularly suited for thin hubs and hollow shafts Light design – suitable for medium transmissible values when space is limited. The RfN 4051 is a three-part shrink disc and serves to transfer low to moderate torque. The narrow pressure rings require only a very small space. The transferrable torque can be set in a targeted manner for the corresponding application by changing the screw tightening torque. Slit inner ring – low forces and pressures on...

Shrink Discs RINGFEDER® RfN 4061 Further information on RINGFEDER® RfN 4061 on www.ringfeder.com Forged pressure rings with the highest stability for the best stress distribution, the highest security against breakage and thus ideal material use. Cost-efficient solution with high capacity in the largest possible range of applications. The preload force can be set targeted to the relevant application. The RINGFEDER® RfN 4061 series is the direct further development of the RINGFEDER® RfN 4071 series up to an internal diameter of 200 mm. Standard series – this is the most popular shrink disc. High...

Shrink Discs RINGFEDER® RfN 4071 Further information on RINGFEDER® RfN 4071 on www.ringfeder.com Standard series for high torque Slit inner ring – low losses and pressure on the hub. Extension of the RINGFEDER® RfN 4061 series from an internal diameter of 220 mm up to the largest diameters. Cost-efficient solution with high capacity in the largest possible range of applications. The preload force can be set targeted to the relevant application. Characteristics Standard series – this is the most popular shrink disc. High transmission values are possible and by varying the screw tightening torque...

Shrink Discs RINGFEDER® RfN 4073 Further information on RINGFEDER® RfN 4073 on www.ringfeder.com Mini series for particularly light applications Mini series with low moment of inertia, particularly for mechanical seals and small gears. Its particularly light structure makes the RINGFEDER® RfN 4073 series ideal for applications with reduced requirements for transfer values and/or very low to no dynamic loads. The preload force can be set targeted to the needs of the relevant application. Characteristics Mini series – this range is a very compact design with low inertia values. It is ideally suited...

Shrink Discs RINGFEDER® RfN 4091 Further information on RINGFEDER® RfN 4091 on www.ringfeder.com Heavy series for the highest torque Slit inner ring – low losses and pressure on the hub. Heavy design – for highest transmission values. Its wider structure with particularly strong outer rings gives the RINGFEDER® RfN 4091 series the highest transfer values – even in applications that involve extremely static or dynamic loads. The preload force can be set targeted to the relevant application. Slit inner ring – low forces and pressures on hub and shaft. Compensation of small tolerance errors – please...

Shrink Discs RINGFEDER® RfN 4161 Further information on RINGFEDER® RfN 4161 on www.ringfeder.com Forged outer/pressure ring for the best stress distribution and thus ideal material use. Route controlled version with defined displacement path. Very good concentricity characteristics through contact by both rings in the clamped condition. The assembly can be carried out without a torque wrench. The clamping is thus independent of the screws’ friction system. The RINGFEDER® RfN 4161 series is replaced by the larger RINGFEDER® RfN 4181 from an internal diameter of 220 mm. Standard series for high...