Product Paper Metal Bellows Couplings RINGFEDER® GWB
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Metal Bellows Couplings 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...

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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...

RINGFEDER® Metal Bellows Couplings Introduction Backlash-free Metal Bellows Couplings are used in the sector of mechanical engineering, where a torque or a rotary motion has to be transmitted from shaft to shaft in highest accuracy of angle. Premium Metal Bellows Couplings with 20% higher torques! Pumps with axial and vertical drives High dynamic portal drives Spindle lifting units Linear units Packaging machines Machine tools Special machines Characteristics of Metal Bellows Couplings Backlash-free transmission of torque High torsional stiffness, precision of transmission of rotational...

Metal bellows coupling with inner conical hub Metal bellows coupling with clamping hubs Metal bellows coupling with clamping hubs, short length and higher torsional stiffness Metal bellows coupling with flange Miniature metal bellows coupling with clamping hubs Miniature metal bellows coupling with radial set screws Metal bellows coupling with axial pluggable clamping hub Metal bellows coupling with clamping in split hub design Disclaimer of liability All technical details and notes are non-binding and cannot be used as a basis for legal claims. The user is obligated to determine whether...

Design / Sample calculation Design / Product information Dimensioning in accordance with the torque Backlash-free, torsionally stiff metal bellows couplings are ready to install when delivered. The metal bellows are made of stainless steel, all other parts are made of aluminum or steel and partly have environmental friendly protective coating. The shaft tolerance should be within the fit tolerance “g6” or “h7”. The power transmission between the coupling hub and the shaft is generated by compression and friction between the contact surfaces. Special attention must be paid to the tightening...

Design in consideration of dynamic torsional stiffness The dynamic torsional stiffness CTdyn was selected so that it would not be within the range of parasitic oscillation of most applications. Various levels of torsional stiffness are available as standard versions. Although metal bellows couplings are backlash-free and torsion-rigid, it should not be ignored that they link two rotating masses. In adverse cases the couplings can act like torsion spring with high stiffness. The regulating oscillation of the drives and the harmonic oscillation in the armature current of the motor therefore...

Metal Bellows Couplings RINGFEDER® GWB AK Metal bellows coupling with inner conical hub Metal bellows RINGFEDER® GWB AK have been designed especially for the backlash-free transmission of high torques of up to 5,000 Nm. The elements are mounted on driver and driven components with tapered clamping bushings. Depending on the required size, the coupling will be produced with hubs made of aluminum or steel. In addition, GWB AK guarantees for perfect concentric running. Further information on RINGFEDER® GWB AK on www.ringfeder.com Characteristics Metal bellows made of stainless steel, conical...

d1 Further information on RINGFEDER® GWB AKD on www.ringfeder.com Metal bellows coupling with clamping hubs RINGFEDER® GWB AKD offers the traditional metal bellows coupling which can be used for a wide range of applications. Its core characteristics are the backlash-free transmission of torque, high torsional stiffness, and excellent compensation of angular, axial and radial misalignments. Operational safety and easy assembly are two more factors speaking in favour of GWB AKD. Metal Bellows Couplings RINGFEDER® GWB AKD Characteristics Metal bellows made of stainless steel, hubs made of...

Metal Bellows Couplings RINGFEDER® GWB AKN Further information on 1 RINGFEDER® GWB AKN on www.ringfeder.com Metal bellows coupling with clamping hubs, short length and higher torsional stiffness The metal bellows couplings from the RINGFEDER® GWB AKN series boast RINGFEDER®‘s trusted quality and increased torsional stiffness. The reduced shafts in the element guarantee for high stiffness while at the same time compensating angular, axial and radial misalignments. The shaft connection is established by means of clamping hubs on both sides. Characteristics Metal bellows made of stainless...

Metal Bellows Couplings RINGFEDER® GWB CKN Further information on RINGFEDER® GWB CKN on www.ringfeder.com Metal bellows coupling with flange RINGFEDER® GWB CKN is the production series which grants customers a maximum of application liberties. The flange mounting offers manifold possibilities to establish a connection with the element or add hubs, flanges and fittings. Depending on the chosen model, GWB CKN has been designed for very high torques of up to 5,000 Nm. Characteristics Metal bellows made of stainless steel The contact surfaces have to be free from oil and grease Hubs up to size...