Patent ID: 6061907
Filing Date: 2000-05-16
Classification: F16H,Y10T

Abstract:
A method for making a differential mechanism assembly for an automotive vehicle, comprising the steps of:cold-working a first housing preform by one of a group consisting of spin-forming or flow-forming the inner surface of said preform into conformance with the contour of a first chuck;cold-working a second housing preform by one member of a group consisting of spin-forming or flow-forming the inner surface of said preform into conformance with the contour of a second chuck;producing first and second housing portions by finish machining outer surfaces of the first and second housing preforms, respectively;pressing a ring gear onto a housing portion;installing a differential mechanism subassembly comprising a shaft, pinions and gears into a housing portion;inserting a portion of one member of a second group consisting of first and second housing portions into the other member of said second group;connecting the ring gear and a housing portion; andconnecting the first and second housing portions mutually.