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Patent Searching and Data


Title:
MANUFACTURE OF WELDING WIRE
Document Type and Number:
Japanese Patent JP3474393
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for manufacturing welding wire excellent in feedability by forming roughness with recessed parts on the wire surface as lubricant retainer.
SOLUTION: In the method for manufacturing welding wire to reduce wire stock through a group of a plurality of dies and to finish it into prescribed diameter, the group of dies is composed of cassette type roller dies and hole dies. First of all dry type hole die drawing is executed with powdery lubricant containing feeding solid lubricant. Then, reduction drawing is executed with a group of a plurality of cassette type roler dies, and further wet type hole die drawing is executed and finished wire with prescribed diameter is obtained. The surface roughness in the longitudinal direction on wire stock is ≥0.3 mm.


Inventors:
Inoue, Satoru
Masuda, Ichiro
Ono, Toru
Application Number:
JP1997000079828
Publication Date:
December 08, 2003
Filing Date:
March 31, 1997
Export Citation:
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Assignee:
NIPPON STEEL WELD PROD & ENG CO LTD
International Classes:
B23K35/02; B21C1/00; B21C1/04; B21C9/00; B21C37/04; B23K35/40; (IPC1-7): B23K35/40; B21C1/04; B21C9/00; B23K35/02
Attorney, Agent or Firm:
椎名 彊 (外1名)