Method of manufacturing spherical bearing

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

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F16C 11/06 (2006.01)

Patent

CA 2511634

A method of manufacturing a spherical bearing having an inside member with a metal ball part and an outside member having a ball support part supporting the ball part of the inside member and connected to the inside member swingably or rotatably relative to each other, comprising the steps of performing an injection molding in which the ball part of the inside member is inserted as a core in a die to form a resin liner covering the ball part, molding the outside member covering the resin liner by a casting in which the ball part and the resin liner are inserted as cores in the die, and after the completion of the casting, heating the resin liner covering the ball part through the ball part of the inside member.

L'invention concerne un procédé de fabrication d'un roulement à rotule ayant un élément interne équipé d'une partie bille métallique et un élément externe équipé d'une partie support de bille qui supporte la partie bille de l'élément interne et qui est relié à l'élément interne de manière pivotante ou rotative l'un par rapport à l'autre. Ledit procédé consiste à effectuer un moulage par injection dans lequel la partie bille de l'élément interne est insérée comme noyau dans une matrice de façon à former une garniture en résine couvrant la partie bille, à mouler l'élément externe couvrant la garniture en résine par un coulage dans lequel la partie bille et la garniture en résine sont insérées comme noyaux dans la matrice et, une fois le coulage terminé, à chauffer la garniture en résine couvrant la partie bille à travers la partie bille de l'élément interne.

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