Metal deforming – By pulling workpiece through closed periphery die – Utilizing plural metal-deforming tools
Patent
1999-02-08
2000-07-04
Crane, Daniel C.
Metal deforming
By pulling workpiece through closed periphery die
Utilizing plural metal-deforming tools
72289, B21C 106
Patent
active
060821639
ABSTRACT:
In a multiple slip type wet-drawing process using plural drawing pass stages each comprised of a die and a capstan drawing a wire rod passed through the die, an average slip rate in each drawing pass stage other than a final stage is set to a range of 5.about.80 m/min, whereby the wire drawing is carried out without causing problems such as damage of wire rod surface, wire breakage, premature wearing of die and the like.
REFERENCES:
patent: 3765215 (1973-10-01), Martin
patent: 3953998 (1976-05-01), Braun
patent: 4280857 (1981-07-01), Dameron
patent: 5301119 (1994-04-01), Watkins
Bridgestone Corporation
Crane Daniel C.
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