Metal deforming – By extruding through orifice – Non-axial movement of die – ram – mandrel or container
Patent
1992-08-28
1994-04-12
Larson, Lowell A.
Metal deforming
By extruding through orifice
Non-axial movement of die, ram, mandrel or container
72255, B21C 2302
Patent
active
053015312
ABSTRACT:
A horizontal metal extrusion press has a tool cassette (13) for a tool set composed of a die (134), a die holder (32) and at least one pressure ring (36), displaceable horizontally along guide rails (10,11) transversely to the press axis between an extrusion position (P) on the press axis and a changing position (W) spaced horizontally from the press axis, and replaceable by a second cassette in the changing position. The cassette has an upwardly open U shape to receive the tool set. A locking piece (14) for retaining the tool set can move in a vertical guideway (22) in the upper guide rail (10), to an upper position above the opening of the cassette and to a lower position inside the opening for closing the opening. The cassette opening has an internal bead (29), and the die holder has a corresponding annular groove. The locking piece is guided on the beads along the sides of the cassette opening.
REFERENCES:
patent: 3119493 (1964-01-01), Zilges
patent: 4402208 (1983-09-01), Sibler
patent: 4416138 (1983-11-01), Freese et al.
patent: 4856314 (1989-08-01), Zurru et al.
Horizontal Rod and Tube Extrusion Presses, Schloemann Aktiengesellschaft, Oct. 1966.
Hydraulishche horizontale Strangpressen, von W. Dohrn and H. Schmoll, 1960.
Standard Extrusion Press Aluminum, Schloemann-Siemag AG, Apr. 1981.
Hydraulic Horizontal Extrusion Presses, W. Dohrn and H. Schmoll 1960.
Larson Lowell A.
Schoeffler Thomas C.
SMS Hasenclever GmbH
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