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Wire rod softening device

A technology for softening devices and wire rods, which is applied in the direction of electric heating devices, furnaces, heat treatment equipment, etc., can solve the problems of unable to soften copper wires stably, and cannot guarantee a stable softening frequency, and achieve the effect of preventing variability

Inactive Publication Date: 2014-12-10
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the moving speed is higher than 1000m / min, the stable softening frequency of 5 units cannot be guaranteed, therefore, the copper wire cannot be softened stably

Method used

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Experimental program
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Embodiment Construction

[0035] will refer to figure 1 and 2 The wire rod softening device of the present invention will be described. figure 1 It is a sectional view of main parts showing an embodiment of the wire rod softening device of the present invention. figure 2 is showing figure 1 Electrical construction drawing detailing the power supply shown. like figure 1 As shown, the wire rod softening device 1 has: first, second and third electrode wheels as electrode wheels to which an AC voltage is applied from a power supply device 5 described below; a plurality of Wheels 41, 42, 43, 44, 45, when guiding the wire, the plurality of wheels 41, 42, 43, 44, 45 are used to adjust the tension for the copper wire 2; power supply 5; control device 6, the control device 6 As a voltage regulator for controlling the power supply 5 ; and a cooling groove 7 for cooling the copper wire 2 in which the second electrode wheel 32 is arranged. The power supply 5 applies an AC voltage between the first elect...

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PUM

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Abstract

The present invention provides a copper wire rod softening device which can stably soften a copper wire over a broad range from low speed area to high speed area. The copper wire (2) is guided to first, second and third electrode sheaves (31, 32, 33), and moved. A power supply (5) supplies AC voltage between the first and second electrode sheaves (31, 32), and between the second and third electrode sheaves (32, 33). Electrical current is applied to the copper wire (2), and thereby the copper wire (2) is softened. The power supply (5) consists of an inverter. The inverter has a converter portion transforming AC voltage into DC voltage, and an inverter portion transforming the DC voltage transformed by the converter portion into AC voltage.

Description

technical field [0001] The present invention relates to a wire softening device, in particular, the present invention relates to a wire softening device having a plurality of electrode wheels to which the wire is guided and a power source which applies an alternating voltage between the electrode wheels such that the current is applied to The wire comes into contact with the electrode wheels and moves between them, softening the wire. Background technique [0002] Generally, thin wires, eg, thin copper wires, are formed by drawing thick copper wires with a wire drawing machine. Since thin copper wires are processed by drawing, thin copper wires are hard copper wires. As the name suggests, hard copper wire is hard and thus has good mechanical properties. Relatively, elasticity, flexibility, conductivity, etc. are poor. [0003] For this reason, many hard copper wires are heat-treated to an appropriate temperature, cooled slowly, softened, and then used. In this way, the w...

Claims

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Application Information

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IPC IPC(8): C21D9/56C21D9/62H02M5/40H05B3/00
CPCC21D1/32H05B3/0009C21D9/562C21D9/62H05B3/023C21D9/56
Inventor 川口秀树日吉秀长
Owner YAZAKI CORP