Method for making a nib for a drawing die

Details Method for making a nib for a drawing die Method for making a nib for a drawing die

1983-08-19

1986-02-04

Crane, Daniel C.

Metal tools and implements, making

Blank or process

Die

72467, B21K 520, B21C 318

Patent

active

045677930

ABSTRACT:
A nib for a drawing die, and a method of its manufacture, is provided wherein subsequent nibs recut from the original nib are geometrically similar to the original nib, thereby minimizing the increase in the lengths of the reduction cavity and bearing cavity.

REFERENCES:
patent: 2146788 (1939-02-01), Blount
patent: 3740990 (1973-06-01), Prajsnar et al.
patent: 4129052 (1978-12-01), Bieberich
patent: 4144739 (1979-03-01), Corbin
patent: 4241625 (1980-12-01), Corbin et al.
patent: 4365502 (1982-12-01), Carson
Syndie Technical Data Sheet, 30. 4. 83, Determination of Maximum Soft Wire Size (MM.).
American Standards Association, Jun. 9, 1964, American Standard Specifications for Carbide Nibs and Dies for Drawing Round Wire and Bars, pp. 5-13.
Wire World International, vol. 14, Sep./Oct. 1972, Wolfgang Teller, The Use and Maintenance of Drawing Tools (II.).
The Carbide and Tool Journal, Kenneth E. Glen, Die Design and Automatic Finishing Increase Die Life, Nov.-Dec., 1981, pp. 4-7.
The Importance of Die Profile in Wire Drawing, P. R. Lancaster, University of Bradford, England, May 1975.

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