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Method for plating copper on flux-cored wire by electric brush copper

A technology of flux-cored welding wire and electric brush plating, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of high production cost, poor coating quality, unstable plating solution, etc., and achieve low production cost , good coating quality and high production efficiency

Inactive Publication Date: 2013-01-02
台州海翔焊接材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Electroless copper plating requires simple equipment and easy operation, but the plating solution is unstable, the quality of the plating layer is poor, and the production cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Grind the flux-cored welding wire with metallographic sandpaper. The surface roughness Ra of the trimmed plated parts should be below 5μm, and then undergo ultrasonic cleaning. The ultrasonic frequency is 25kHz during ultrasonic cleaning, and the cleaning temperature is 45°C. Rinse with clean water After drying at room temperature;

[0024] Copper-plate the front side of the flux-cored wire steel strip after drying with an electric brush. The operating voltage of the brush copper plating is 12V, the relative movement speed of the plating pen and the steel strip for flux-cored wire is 9m / min, and the brush plating time is 15s. The plating solution adopts ordinary alkaline copper plating solution. After plating a layer of copper with a thickness of 1.5 microns, the post-plating treatment is carried out immediately to remove the residues on the surface of the steel strip, such as water traces and residual liquid traces.

[0025] The flux-cored wire processed after brush pl...

Embodiment 2

[0029] During ultrasonic cleaning, the ultrasonic frequency is 28kHz, the cleaning temperature is 40°C, the operating voltage of the brush copper plating is 14V, the relative movement speed of the plating pen and the steel belt for the flux-cored wire is 16m / min, the brush plating time is 10s, and the plating solution is ordinary Alkaline copper plating solution is plated with a copper layer with a thickness of 1.2 microns, and other technological processes are the same as in Embodiment 1, and will not be repeated.

Embodiment 3

[0031] During ultrasonic cleaning, the ultrasonic frequency is 22kHz, the cleaning temperature is 35°C, the operating voltage of the brush copper plating is 15V, the relative movement speed of the plating pen and the steel strip for flux-cored wire is 12m / min, the brush plating time is 5s, and the plating solution adopts ordinary Alkaline copper plating solution, a copper layer with a thickness of 1.0 micron is plated, and other technological processes are the same as those in Embodiment 1, and will not be repeated.

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Abstract

The invention provides a method for plating copper on a flux-cored wire by an electric brush, belongs to the technical field of welding, and solves the problems that the conventional chemical copper plating method for the flux-cored wire requires simple equipment and simple operation, the plating solution is instable, a plating layer has poor quality, and the production cost is higher. The methodfor plating the copper on the flux-cored wire by the electric brush comprises the following steps of: A, cleaning: performing ultrasonic cleaning on a steel tape for the flux-cored wire, washing withclear water, and drying; B, plating copper by the electric brush: plating a copper layer with the thickness of 1.0 to 2.0 micrometers on the front of the dried steel tape for the flux-cored wire, andimmediately performing after-plating treatment; and C, drawing and forming: pressing the back of the steel tape for the flux-cored wire into a U-shaped groove, filling powder, rolling into a round flux-cored wire, and drawing and forming a finished product of the flux-cored wire. By plating the copper with the electric brush, the bond strength of an electric brush plating layer and a matrix is high, the quality is high, the method is convenient to implement, the production efficiency is high, and the method is safe and environmentally-friendly.

Description

technical field [0001] The invention relates to a copper-plating method for welding wire, in particular to a method for copper-plating flux-cored welding wire with an electric brush, and belongs to the field of welding technology. Background technique [0002] Welding technology plays a very important role in shipbuilding, petrochemical, rolling stock, electric power, nuclear reactor and other fields. As an important branch of welding materials, flux-cored welding wire is increasing year by year in the proportion of welding materials. Flux-cored welding wire is a welding wire made by wrapping the powder in a thin steel strip and rolling it into different cross-sectional shapes or rolling the disc into a "U" shape, then putting the powder into the groove, and then rolling and drawing. . [0003] Compared with solid welding wire, flux cored wire has the following characteristics: 1) For welding of various steel materials, it is very convenient and easy to adjust the compositi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/40C25D5/06C25D3/38
Inventor 金鹏
Owner 台州海翔焊接材料有限公司
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