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Composants Usinables - Composants pré-alésés

A wheel is a circular-shaped mechanism or mechanical part that rotates around a pin passing through its centre. The wheel is one of eight single machines. In mechanics, a pinion is a toothed wheel used for the transmission of power through a mechanism. The toothed wheel has the lowest number of teeth. A gear is a mechanical system comprising two toothed meshing wheels that drive the rotating movement between them.