Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Movable clamp
Patent
1990-08-28
1992-03-31
Crane, Daniel C.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
Movable clamp
72306, 72389, 72447, 72472, B21D 502
Patent
active
050996703
ABSTRACT:
The machine includes a U-shaped princer (12) with a pair of arms (14, 16) which carry a V-sectioned linear punch (P) and a V-sectioned linear die (D) respectively. The punch (P) is fixed and the die (D) is movable. The U-shaped pincer (12) is mounted so that it can rotate both about a bending axis (V) coincident with the edge of the punch (P) and about a horizontal pivoting axis (O) which intersects the bending axis (V). A clamp (10) is adapted to grip an upper edge of a piece (W) of sheet metal so that a region thereof to be bent lies in a vertical suspension plane (B) lying between the arms (14, 16) of the U-shaped pincer (12) and containing the bending axis (V). The U-shaped pincer (12) and the clamp (10) are capable of relative movement both in a vertical direction (Z) and in a horizontal direction (X) perpendicular to the horizontal pivoting axis (O).
REFERENCES:
patent: 1034480 (1912-08-01), Meadowcroft
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patent: 3334581 (1967-08-01), Bergman
patent: 3422750 (1969-01-01), Anderson
patent: 3986470 (1976-10-01), Barry
patent: 4043165 (1977-08-01), Badger
patent: 4485664 (1984-12-01), Richards
patent: 4672835 (1987-06-01), Liet
Feinwertechnik & Messtechnik, vol. 96, Sep./Oct. 1987, pp. 373-376, Carl Hanser Verlag; G. Koch; "CNC-Biegen komplizierter Blechteile".
Werkstatt und Betrieb, vol. 120, No. 5, 1987, pp. 365-369; Carl Hanser Verlag; G. Koch: "Fertigung komplizierter Blelchbauteile durch numerish gesteuertes Biegen".
VDI-Zeitschrift, vol. 129, No. 5, May 1987, pp. 92-95, Dusseldorf, G. Koch: "Komplizierte Blechteile-automatisch und einbaufertig gebogen".
Amada Company Limited
Crane Daniel C.
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