Spacer member reducing fretting wear and fastened structures...

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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Details

F16B 5/02 (2006.01) B60B 27/00 (2006.01) F16B 43/00 (2006.01) F16C 33/58 (2006.01)

Patent

CA 2702899

The present invention relates to a spacer member reducing fretting wear and fastened structures using a spacer member, furthermore, the present invention provides a spacer member 1 sandwiched between contact surfaces 7 of contact materials 6 subject to abrasion and suffering from wear and provided with sliding and vibrating surfaces 2, 2 characterized in that the sliding or vibrating surfaces (2, 2) of the spacer member 1 have a higher hardness than at least one of the contact surfaces (7) of the first contact material (6) and the second contact material (6') and the sliding or vibrating surfaces (2, 2) of the spacer member 1 have a lower coefficient of friction and a higher flatness than at least one of the contact surfaces (7) of the first contact material (6) and the second contact material (6'), whereby the sliding or vibrating surfaces 2, 2 of the spacer member 1 do not easily wear down the contact surfaces 7 of the contact materials 6.

L'invention concerne un matériau de base intermédiaire pour réduire l'usure de contact (usure par micromouvements) et une structure de fixation utilisant le matériau de base intermédiaire (1). Le matériau de base intermédiaire (1) comporte des faces (2, 2) prises en sandwich entre les faces de contact (7) de matériaux de contact (6), qui génèrent un frottement et une usure, intègre un glissement ou une vibration du matériau de base intermédiaire (1), et est caractérisé en ce que les faces (2, 2) intégrant un glissement ou une vibration du matériau de base intermédiaire (1) ont une dureté plus élevée en comparaison à au moins une face de contact (7) du premier matériau de contact (6) et du second matériau de contact (6'), et en ce que les faces (2, 2) intégrant un glissement ou une vibration du matériau de base intermédiaire (1) ont un coefficient de frottement plus faible et un caractère lisse plus élevé en comparaison à au moins une face de contact (7) du premier matériau de contact (6) et du second matériau de contact (6'), les faces (2, 2) intégrant le glissement ou la vibration du matériau de base intermédiaire (1) rendant ainsi la face de contact (7) du matériau de contact (6) difficile à user.

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