| 摘要 |
The invention relates to a device for centring in relation to a reference axis (AA') of a wheel provided with teeth. Said device comprises a support on which the wheel is arranged, and at least three positioning elements (82) which are radially mobile and each provided with one or two keys for applying to the flanks of the teeth, the positioning elements (82) being provided with at least six keys altogether, and a control element (32) co-operating with said positioning elements (82) in order to bring them into contact and separate them from the teeth. |
