Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Patent
1989-03-14
1991-10-22
Combs, E. Michael
Metal deforming
By use of roller or roller-like tool-element
With modification or control of temperature of work, tool or...
72202, 148 12B, B21B 4502, B21B 302
Patent
active
050584103
ABSTRACT:
A method and apparatus for performing forming operations on steels, metals, and alloys having low deformability and/or high resistance to deformation at room temperature, wherein the thickness of the stock material is small. In the method, stock material is heated by continuous rapid heating, to a temperature of at least 400.degree. C. and at most the AC-1 temperature of the alloy, and the heated material is subjected to a two-stage or multistage forming operation wherein the overall reduction in cross section is substantial. The apparatus includes a heating device of the electrical induction or direct contact type, followed by a temperature equalization and guide device and a multi-stand roll forming mill which may have cooling devices between each stand.
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patent: 4060428 (1977-11-01), Wilson et al.
patent: 4727747 (1988-03-01), Naud et al.
patent: 4745786 (1988-05-01), Wakako et al.
patent: 4909058 (1990-03-01), Bindernagel et al.
Eilmer Johann
Losch Hans
Rischka Franz
Boehler Gesellschaft m.b.H.
Combs E. Michael
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