Metal deforming – With cutting – By shearing tool-couple
Patent
1976-06-25
1977-08-30
Duzan, James R.
Metal deforming
With cutting
By shearing tool-couple
10 11T, 10 76T, B21D 2800
Patent
active
040445887
ABSTRACT:
A ball header is disclosed in which the movable die is mounted directly on the machine frame rather than on the reciprocating slide. The position of the movable die is controlled by a cam driven pusher so that the movable die position is dependent of the position of the reciprocating slide. The machine provides a greater portion of the machine cycle for the movement of the transfer from between the dies after the blank is gripped and controlled by dies. The machine further provides a closed or bushing cutter to improve the shearing of the blanks from the wire stock so that the part formed by the machine can be closer to the finished size of the product to reduce the material content and the cost of finishing operations. The accuracy of the positioning of the movable die is also improved by the mounting of the movable die directly on the frame rather than on the reciprocating slide.
REFERENCES:
patent: 911911 (1909-02-01), Sisson
patent: 1711218 (1929-04-01), Abel
patent: 2017309 (1935-10-01), Friedman
patent: 2338330 (1944-01-01), Huebner
patent: 2800814 (1957-07-01), Lewis
patent: 3425075 (1969-02-01), McMurray
patent: 3919874 (1975-11-01), Harris
patent: 3972216 (1976-08-01), Messerschmidt
Duzan James R.
The National Machinery Co.
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