Method of fabricating scroll members by coining and tools theref

Details Method of fabricating scroll members by coining and tools theref Method of fabricating scroll members by coining and tools theref

1983-04-25

1984-08-07

Goldberg, Howard N.

Metal deforming

By use of closed-die and coacting work-forcer

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

72375, 72376, 72414, B21D 2200, B21D 3100, B21D 1702

Patent

active

044635915

ABSTRACT:
Method for forming scroll members comprising an end plate having an involute wrap rigidly affixed thereto. The end plate and involute wrap are precision formed, e.g., by casting, either as an integral element or as two separate elements and then the scroll member is coined to the desired dimensional accuracy and finish. If a separate end plate and an involute wrap are provided for coining, then they are rigidly joined during coining, an embodiment which permits the use of two different materials and/or the attainment of two different surface characteristics for the involute wrap and the end plate.

REFERENCES:
patent: 1659776 (1928-02-01), Langford
patent: 3314277 (1967-04-01), Hopkins et al.
patent: 3986799 (1976-10-01), McCullough
patent: 4199308 (1980-04-01), McCullough

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