Bellows clamp
1 – 600 Nm / metal bellow-type coupling
The metal bellow-type coupling KH25 is characterized by a metal bellow with 4 layers convincing by its compact design and high torsion stiffness.
The clamping hubs of the bellow-type coupling allow for easy and quick assembly. The hubs up to size 45 are made of aluminium, from size 46 made of steel. The bellow is made of stainless steel.
Our range of bellow-type couplings includes both frictionally engaged connections without feather keyway and positive-locking connections with feather keyway.
Featuresldl
- backlash-free, torsionally stiff pin & bush coupling made of metal
- compact due to bellow made up of 4 layers
- higher torsion spring stiffness
- non-positive bellow-hub-connection
- torques from 1 to 600 Nm
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KH25 is a backlash-free, torsionally stiff and flexible all-metal coupling with a bellow made of stainless steel. Depending on size and type the coupling hubs are available made of aluminium or steel.
The metal bellow optimally compensates for axial, radial and angular displacements with conformal torque transmission and low restoring forces. At the same time TOOLFLEX has a high torsional stiffness and a low mass moment of inertia. It is free from wear and maintenance and extremely easy to assemble.
Function
The torque is transmitted to the hubs via a metal bellow made of stainless steel. The connection of the bellow to the hubs is made in three different types: With sizes 5 to 12 the metal bellow is bonded to the hubs. For that reason the maximum permissible temperature range is from – 30 °C to + 100 °C. With sizes 16 to 55 the bellow is crimped with the hubs and secured by a brass wire pressed in. This ensures torque transmission of every single bellow layer. The bellow-hubs-connection sizes 55 and 65 is made by a welded connection.
