Method for increasing the coefficient of adhesion between...

Details Method for increasing the coefficient of adhesion between... Method for increasing the coefficient of adhesion between...

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 1/033 (2006.01)

Patent

CA 2735767

Method for increasing the coefficient of adhesion between two parts (12, 14) that rotate as one with a rotor, particularly a turbomachine rotor, these parts pressing against one another via pressing faces (18, 20), the method involving the steps that involve milling at least one of the pressing faces so as to modify its surface finish and increase its roughness, then covering the or each machined face with a thin layer (44) of a material that is hard and has a high coefficient of friction.

Procédé pour augmenter le coefficient d'adhérence entre deux pièces (12, 14) solidaires en rotation d'un rotor, en particulier de turbomachine, ces pièces étant en appui l'une contre l'autre par des faces d'appui (18, 20), le procédé comprenant les étapes consistant à usiner par fraisage au moins une des faces d'appui de façon à modifier son état de surface et à augmenter sa rugosité, puis à recouvrir la ou chaque face usinée d'une couche mince (44) d'un matériau dur et à fort coefficient de frottement.

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