TWISTED WIRE AND METHOD FOR MANUFACTURING THE SAME

申请公布号：JP2013040387(A)

申请号：JP20110178647

申请日期：2011.08.17

申请公布日期：2013.02.28

申请人：

HITACHI CABLE LTD

发明人：WASHIMI TORU;AOYAMA MASAYOSHI;KURODA HIROMITSU;SAGAWA HIDEYUKI;FUJITO KEISUKE;SAKURAI TAMOTSU;MASUI SHINICHI;OKADA RYOHEI;MASAKI KENJI;TSUNEI SADANOBU;SATO MASASHI;YAMAGUCHI TAKEHIKO;KOIKE RIKICHI

分类号：C22F1/08;C22C9/00;C22F1/00;H01B5/08;H01B13/00;H01B13/02;H01B13/06

主分类号：C22F1/08

摘要：<P>PROBLEM TO BE SOLVED: To provide a twisted wire that has softness relative to a twisted wire formed of a tough pitch copper even when work hardening is caused therein during wire twisting process, and to provide a method for manufacturing the same. <P>SOLUTION: The method for manufacturing the twisted wire includes: a hard drawn copper wire producing step where a dilute copper alloy wire containing copper with inevitable impurities, more than 2 mass ppm. oxygen, and at least one additive element of Mg, Zr, Nb, Ca, V, N, Mn, Ti and Cr is subjected to wire drawing with at least 50% processing degree so that a hard drawn copper wire is produced at the final wire diameter; a twisted wire producing step where a plurality of the hard drawn copper wires are twisted to produce the twisted wire; and a preheating step where the twisted wire is subjected to preheating to alter the hard drawn copper into an annealed copper wire. <P>COPYRIGHT: (C)2013,JPO&INPIT

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