Method for producing hot-dip aluminum-coated steel wire

Abstract

A production method for molten-aluminum-plated copper wire, the production method being characterized by use of a heating device ( 6 ) that is for heating a copper wire ( 2 ) before the copper wire ( 2 ) is immersed in a molten aluminum plating bath ( 1 ) and of a bath surface control device ( 7 ) that comprises a tube-shaped body ( 9 ), which has a through hole ( 9 a ) for passing the copper wire ( 2 ) through the inside thereof, and includes an immersion region ( 9 b ) that is for immersion in the molten aluminum plating bath ( 1 ) from an end part of one end of the tube-shaped body ( 9 ) along the long direction of the tube-shaped body ( 9 ). The production method is also characterized in that the copper wire ( 2 ) is passed, in order, through the heating device ( 6 ) and the bath surface control device ( 7 ) and immersed in the molten aluminum plating bath ( 1 ) while the immersion region ( 9 b ) of the bath surface control device ( 7 ) is immersed in the molten aluminum plating bath ( 1 ).

1 . A method for producing a hot-dip aluminum-coated steel wire by dipping a steel wire in molten aluminum, and then continuously drawing up the steel wire from the molten aluminum, to produce a hot-dip aluminum-coated steel wire, comprising the steps of:
 using a heating device for heating a steel wire prior to dipping of the steel wire in molten aluminum, and a liquid surface-controlling device comprising a tubular body having a through hole for introducing the steel wire into the tubular body, wherein the tubular body has a dipping region for dipping the tubular body in the molten aluminum from one end part of the tubular body along a longitudinal direction of the tubular body;   introducing the steel wire into the heating device and the liquid surface-controlling device sequentially under a condition that the dipping region of the liquid surface-controlling device is dipped in the molten aluminum; and   dipping the steel wire in the molten aluminum.   
     
     
         2 . The method for producing a hot-dip aluminum-coated steel wire according to  claim 1 , wherein the steel wire is a steel wire made of stainless steel or carbon steel. 
     
     
         3 . A controller for introducing a steel wire to hot-dip aluminum, used in producing a hot-dip aluminum-coated steel wire by dipping a steel wire in molten aluminum, and then continuously drawing up the steel wire from the molten aluminum, comprising:
 a heating device for heating the steel wire prior to dipping of the steel wire in molten aluminum, and   a liquid surface-controlling device comprising a tubular body having a through hole for introducing the steel wire into the tubular body, wherein the tubular body has a dipping region for dipping the tubular body in the molten aluminum from one end part of the tubular body along a longitudinal direction of the tubular body.