![]() Hubs are grooved into the center of the discs. The hubs: Oldham coupling consists of two hubs that are connected at the end of the shafts. Mainly Oldham coupling working is based on the parallel misalignment, so the discs sliding motion acquire a large amount of parallel misalignment. It is designed to behave as a mechanical fuse. And hence it is press-fitted at the center. The center is used to reduce the backlash. It contains two shafts on the sides of the discs perpendicular to the hub axis and plugged into the hub axis. The three discs are connected to each other.Ĭentral disc: It is the coupling part consisting of two hubs. Another the disc mounted on the output shaft. The discs are mounted at the mid-sections of the shafts. ![]() ![]() All discs are attached to each other using the grooves. To accommodate misalignments (angular, axial, parallel) ![]() Image credit: Van helsing, Oldham coupler animated small, CC BY 2.5 ![]()
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