Sliding component and method of manufacturing the same

Details Sliding component and method of manufacturing the same Sliding component and method of manufacturing the same

F - Mech Eng,Light,Heat,Weapons

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F01L 1/14 (2006.01) C04B 37/02 (2006.01) F01L 1/16 (2006.01) F01L 1/18 (2006.01) F01L 3/20 (2006.01)

Patent

CA 2182896

[Purpose] To provide a sliding components including engine parts such as a tappet and a rocker arm and a bearing, which has a plurality of slide faces for which abrasion resistance is required. [Construction] A sliding component in which a main body (3) is made of steel and a member A, e.g., Si3N4, forming at least one slide face (1) of the slide faces thereof is heat-joined to the above mentioned main body (3). A method of manufacturing the same is a method in which the steel-made main body has been subjected to a carburizing and, the member A to form the slide face is heat joined to the body after tempering the body. [Effect] Readily manufactured at a possible reduced cost.

Le but de l'invention est de réaliser une pièce présentant plusieurs surfaces de glissement résistant à l'abrasion y compris des pièces de moteurs telles qu'un poussoir et un culbuteur de soupape, et un palier. La pièce coulissante a un corps (3) en acier et un membre A, par exemple en Si3N4, formant au moins une surface de glissement (1) parmi celles du corps et combiné thermiquement avec le corps (3) de la pièce. Le procédé de fabrication de cette pièce comprend les étapes suivantes: un corps de pièce en acier subit une cémentation, ce qui durcit le corps obtenu, et l'on combine thermiquement un membre A formant une surface de glissement avec le corps de pièce ainsi obtenu. La fabrication de la pièce coulissante peut être effectuée facilement et une réduction des coûts de fabrication peut être obtenue.

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