Press tooling for manufacturing constant velocity ratio universa

Details Press tooling for manufacturing constant velocity ratio universa Press tooling for manufacturing constant velocity ratio universa

1988-04-11

1989-07-04

Spruill, Robert L.

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72344, 72358, 72359, B21D 5388, B21K 176

Patent

active

048438642

ABSTRACT:
Press tooling for manufacturing an inner or outer member of a constant velocity universal joint, with non-undercut ball-receiving tracks and, between such tracks, a part-spherical cage guiding surface, comprises a first element with radially extending ribs for forming the tracks, and a number of second elements with portions which fit between the ribs of the first element and are shaped to form the part-spherical surface of the joint member between its tracks. For forming an outer joint member the first element may have outwardly extending ribs between which the second elements fit, or for forming an inner joint member for first element may be in the form of a sleeve with inwardly extending ribs between which the second elements fit. In use, after formation of a joint member the first element can be withdrawn axially after which the operative portions of the second element can either be moved radially to disengage them from the surfaces they have formed or moved angularly about the axis of the joint member so that they occupy the tracks. Thereafter the second element can be withdrawn axially from the joint member.

REFERENCES:
patent: 4406146 (1983-09-01), Suzuki
patent: 4601191 (1986-07-01), Ikeda et al.
patent: 4610155 (1986-09-01), Langford et al.
patent: 4768368 (1988-09-01), Langford et al.
EP 0013545, Published Jul. 1980, Spannbauer 72/358.

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