smartflex® : Reliable, flexible and permanently backlash-free metal bellows coupling | © mayr® Antriebstechnik

Metal bellows couplings: Torsionally stiff shaft couplings

The patented design of the mayr® metal bellows couplings guarantees freedom from maintenance and compactness: The torsionally flexible shaft couplings prevent misalignments in axial as well as in radial or angular misalignment directions. The couplings achieve long service lives with trouble-free assembly: Temperatures of up to 250° C, high torques or pressure loads are withstood without damage by the components made of steel and high-strength aluminium alloys.

This is what distinguishes our metal bellows couplings:

  • Excellent concentricity.
  • Positive locking, easy assembly
  • Maintenance-free
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smartflex® : Reliable, flexible and permanently backlash-free metal bellows coupling | © mayr® Antriebstechnik configurable
smartflex®
Metal bellows couplings
  • Suitable for servo drives
  • Compensation of shaft misalignment
  • Torsionally rigid
  • Flexible modular system
  • Backlash-free
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Chr. Mayr GmbH + Co. KG
Eichenstraße 1, 87665 Mauerstetten, Germany
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FAQ - frequently asked questions

A metal bellows coupling consists of a metal bellows with hubs on the input and output sides. The shape of the metal bellows allows torsion-free torque transmission while compensating for radial or angular shaft misalignment due to the bending of the metal bellows. This allows precise and accurate power transmission between the two shafts while ensuring torsional rigidity and robustness.

Our product smartflex® is configurable. The patented system consists of metal bellows, aluminium reducing bushes and clamping rings, which can be combined to form different couplings. For example, it is possible to configure 110 different bellows couplings with just 13 individual parts. However, please feel free to ask us directly and we will work with you to create your desired product exactly to your specifications.

Metal bellows couplings connect two shafts together in a torsionally rigid and backlash-free manner and compensate for shaft misalignments. They are characterised by:

  • high torsional rigidity, 
  • low mass moment of inertia 
  • and excellent concentricity.

They also operate wear-free and are therefore maintenance-free. This is one of the reasons for their long service life. Due to their ingeniously simple design, metal bellows couplings from mayr® have an extremely favourable price-performance ratio and are available very quickly thanks to the modular system.

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