www.jbj.co.uk/couplings.html#flender 5 #DriveLineHarmony Sipex Series General Information Backlash Free Couplings Design SIPEX couplings consist of two hub parts that are connected by means of bellows made of high-strength stainless steel. The hubs can be coupled to the shafts by many different methods including set screws, key joint, slotted clamping hubs, half-shell hubs, clamping hubs or expanding hubs. Thanks to their metal bellows, SIPEX couplings are torsionally rigid, but flexible. Misalignment between the connected shafts deforms the metal bellows. Coupling materials Depending on the coupling version, hubs are made of aluminium (N, G, H) or steel (K, I), but stainless-steel variants are also an available option. All the metal bellows are made of stainless steel and are available as single-wall or multiple-wall devices depending on size and application. Metal bellows come in various standard lengths. Metal bellows can be combined with different hub versions to create a complete unit. Once the hubs have been joined to metal bellows, they cannot be dismantled again. Hub versions N: Hub with set screws G: Slotted clamping hub H: Half-shell clamping hub K: Clamping hub with external taper I: Clamping hub with internal taper S: Expanding hub Hubs are supplied as standard with bore tolerance H7 and without keyway. The fitting tolerance of the coupled shaft ends should be g6 or h7. Versions N, G and H are optionally available with keyway in accordance with DIN 6885-1. Versions of SIPEX couplings Type Description SNN Hub with set screw on both sides SGG Slotted clamping hub on both sides SGG-A Slotted clamping hub - for axial plug-in SHH Half-shell clamping hub on both sides SKK Clamping hub with external taper on both sides SGS Hub 1: Slotted, Hub 2: Expanding hub SHH-W Drive shaft with half-shell clamping hubs SII Clamping hubs with internal taper on both sides Hub Variants Axial plug-in Expanding hub Clamping hub Internal taper Set screw External taper Half-shell clamping hub
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