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Method and special polishing liquid for reworking and repairing solid welding wires

A solid welding wire, polishing liquid technology, applied in polishing compositions, chemical instruments and methods, liquid chemical plating and other directions, can solve the problems of low success rate, poor copper layer bonding force, heavy surface oil stains, etc., to improve the success rate , to ensure consistency, the effect of reducing the proportion

Active Publication Date: 2012-09-19
武汉铁锚焊接材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a method for rework and rework of solid welding wire and its special polishing solution, to solve the problem of rust and spots that cannot be eliminated during the rework and rework of solid welding wire, poor bonding of the copper layer, and heavy oil stains on the surface. The wire color is dark, the quality is poor, the success rate is low, and the welding wire has poor rust resistance after rework and rework.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Mix 16-degree palm oil, polyethylene glycol, and benzotriazole according to the following ratio to obtain the special polishing liquid:

[0024] 16% palm oil (base oil) 60%; polyethylene glycol 16%; benzotriazole 24%.

[0025] Use the above-mentioned special polishing solution to rework the solid welding wire with a diameter of Φ1.175mm that has quality problems such as rust, spots, and uneven wire color. The rework method is: water washing—acid rinsing—copper plating—cold water rinsing—hot water rinsing— Drying - polishing - take-up.

[0026] Wherein, in the above method, the water washing step is to use 50-70°C clear water to perform online rinsing on the above-mentioned solid welding wire, the groove length is 3m, and the welding wire running speed is 4.10m / s;

[0027] The acid rinsing step is to use a volume ratio of 12% sulfuric acid solution at room temperature to carry out on-line rinsing of the above-mentioned solid welding wire after washing, the groove length...

Embodiment 2

[0036] Mix 16-degree palm oil, polyethylene glycol, and benzotriazole according to the following ratio to obtain the special polishing liquid:

[0037] 16% palm oil (base oil) 50%; polyethylene glycol 20%; benzotriazole 30%.

[0038] Use the above-mentioned special polishing solution to rework the solid welding wire with a diameter of Φ1.175mm that has quality problems such as rust, spots, and uneven wire color. The rework method is: water washing—acid rinsing—copper plating—cold water rinsing—hot water rinsing— Drying - polishing - take-up.

[0039] Wherein, in the above method, the water washing step is to use 50-70°C clear water to perform online rinsing on the above-mentioned solid welding wire, the groove length is 3m, and the welding wire running speed is 3.50m / s;

[0040] The acid rinsing step is to use a volume ratio of 9% sulfuric acid solution at room temperature to carry out on-line rinsing of the above-mentioned solid welding wire after washing, the length of the ...

Embodiment 3

[0049] Mix 16-degree palm oil, polyethylene glycol, and benzotriazole according to the following ratio to obtain the special polishing liquid:

[0050] 16% palm oil (base oil) 70%; polyethylene glycol 8%; benzotriazole 22%.

[0051] Use the above-mentioned special polishing solution to rework the solid welding wire with a diameter of Φ1.175mm that has quality problems such as rust, spots, and uneven wire color. The rework method is: water washing—acid rinsing—copper plating—cold water rinsing—hot water rinsing— Drying - polishing - take-up.

[0052] Wherein, in the above method, the water washing step is to use 50-70°C clear water to perform online rinsing on the above-mentioned solid welding wire, the groove length is 3m, and the welding wire running speed is 3.68m / s;

[0053] The acid rinsing step is to use a volume ratio of 15% sulfuric acid solution at room temperature to carry out on-line rinsing of the above-mentioned solid welding wire after washing, the groove length ...

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Abstract

The invention discloses a method and a special polishing liquid for reworking and repairing solid welding wires. The method comprises the following steps of: washing, acid rinsing, copper plating, cold-water rinsing, hot-water rinsing, drying, polishing (using self-made special polishing liquid) and winding. The special polishing liquid disclosed by the invention comprises the components in percentage by mass: 50-70% of 16-degree palm oil, 8-20% of polyethylene glycol, 22-40% of benzotriazole and the balance of inevitable impurities. The polishing liquid can be applicable to the polishing process of the reworking and repairing production of the solid welding wires. The method and the polishing liquid have the advantages that the rust removing effect of the surfaces of the welding wires in the reworking process is good, the anti-rust performance of the welding wires after reworking is high, reworking success ratio is high, oil stains on the surfaces of the welding wires after reworking is little, color is good and copper-layer binding force is high and the like.

Description

technical field [0001] The invention relates to the field of production and processing of welding materials, in particular to a method for reworking and repairing a solid welding wire and a special polishing solution thereof. Background technique [0002] The production of solid welding wire is a process of plastic deformation and then cleaning copper plating. In the whole process including production, packaging, storage and transportation, any negligence under the influence of the environment will make the solid welding wire produced go to waste and become a pile Waste products, which bring huge economic losses to enterprises, are irreversible. [0003] Therefore, in order to avoid and reduce losses, many solid welding wire manufacturers are cautious in the production process, trembling in warehouse management, looking at the sky in harsh environments, especially in humid weather, hoping to avoid corrosion and appearance of welding wires under such conditions. Spots, uneve...

Claims

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Application Information

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IPC IPC(8): C09G1/18C23G3/02C23G1/10C23C18/38
Inventor 卢伟吕奎清
Owner 武汉铁锚焊接材料股份有限公司
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