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Processing method of abrasion resistant welding wire

A processing method and welding wire technology, which is applied in the field of wear-resistant welding wire, can solve problems such as poor control of process conditions, large spatter, and unsatisfactory arc stability.

Inactive Publication Date: 2016-07-20
LIUZHOU KAITONG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the poor control of the process conditions in the preparation process by these methods, the appearance of the prepared welding wire welding is not smooth, the spatter is large, the arc stability is not ideal, etc., and the quality is relatively low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Dry aluminum powder, magnesia powder, ferrosilicon alloy powder, ferromanganese alloy powder and iron powder in a resistance furnace at 100°C for 2 hours; then dry microcrystalline toner, fluorite powder and potassium carbonate powder at a temperature of 400°C 3h; then sieve with a 100-mesh sieve and keep warm at 80°C; then add the above-mentioned preserved powder into the mixer according to the mass ratio and mix for 1.5h; at the same time, use the mixture of lime, sawdust and felt pad to clean the steel strip After drying, put it on the roller mold, and fill the mixed powder on the steel belt, and then through mold forming, wire drawing, layer winding, and packaging to obtain a microcrystalline toner containing 2%, aluminum powder 6%, fluorite powder 35% , 12% magnesia powder, 2% potassium carbonate powder, 1% ferrosilicon alloy powder, 2% ferromanganese alloy powder, and the balance is a wear-resistant welding wire of iron powder. The wear-resistant welding wire was t...

Embodiment 2

[0029] Dry aluminum powder, magnesia powder, ferrosilicon alloy powder, ferromanganese alloy powder and iron powder in a resistance furnace at 120°C for 1.5h; then dry microcrystalline toner, fluorite powder and potassium carbonate powder at a temperature of 500°C Dry for 3.5 hours; then use a 100-mesh sieve to sieve and keep warm at 80°C; then add the above-mentioned preserved powder to the mixer according to the mass ratio and mix for 2 hours; After cleaning and drying, put it on the roller mold, and fill the mixed powder on the steel belt, and then through mold forming, wire drawing, layer winding, and packaging to obtain a powder containing 3% microcrystalline toner, 9% aluminum powder, and 32% fluorite powder. %, 10% magnesia powder, 3% potassium carbonate powder, 1.5% ferrosilicon alloy powder, 1.5% ferromanganese alloy powder, and the balance is iron powder wear-resistant welding wire. The wear-resistant welding wire was tested to obtain a slag removal rate of 96.4%, and...

Embodiment 3

[0031] Dry aluminum powder, magnesia powder, ferrosilicon alloy powder, ferromanganese alloy powder and iron powder in a resistance furnace at 150°C for 1 hour; then dry microcrystalline toner, fluorite powder and potassium carbonate powder at a temperature of 600°C 3h; then sieve with a 100-mesh sieve, and keep warm at 80°C; then add the above-mentioned preserved powder into the mixer according to the mass ratio and mix for 2.5h; at the same time, use the mixture of lime, sawdust and felt pad to clean the steel strip After drying, put it on the roller mold, and fill the mixed powder on the steel belt, and then through mold molding, wire drawing, layer winding, and packaging to obtain a product containing 6% microcrystalline toner, 14% aluminum powder, and 20% fluorite powder. , 4% magnesia powder, 4% potassium carbonate powder, 2% ferrosilicon alloy powder, 1% ferromanganese alloy powder, and the balance is iron powder wear-resistant welding wire. The wear-resistant welding wi...

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PUM

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Abstract

The invention relates to flux-cored wires, in particular to a processing method of an abrasion resistant welding wire. The processing method comprises the steps of drying microcrystalline graphite powder, aluminium powder, fluorite powder, magnesite powder, potassium carbonate powder, ferrosilicon powder, ferromanganese alloy powder and iron powder, and screening; adding the powder into a mixer for mixing; putting a cleaned and dried steel belt on a roller die, adding the mixed powder on the steel belt, and carrying out mold molding; drawing the molded welding wire to decrease the diameter; and winding the drawn wire layer by layer, and packaging the wound wire. According to the processing method, core wire powder is dried, so that the prepared abrasion resistant welding wire is not liable to have the defects of pores, press pits, even cracks, and the like, during the welding process; and during the preparation process of the abrasion resistant welding wire, the contents of carbon and aluminium are increased, so that the deoxidizing and nitrogen fixing capacities are improved, the electrical arc stability is improved, and the carbon oxidation is inhibited, and the gas overflow splashing is reduced.

Description

technical field [0001] The invention relates to wear-resistant welding wire, in particular to a processing method for wear-resistant welding wire. Background technique [0002] In the actual industrial production process, the wear and tear failure of mechanical equipment and parts has a huge impact on production. Reducing wear plays an important role in saving energy and materials, making full use of resources and ensuring safety. The most effective way to reduce the wear of mechanical parts is welding. The emergence and development of flux-cored wire adapts to the trend of high-efficiency, low-cost, high-quality, and automated development of welding production. With the rapid development of world industry, welding technology has gradually entered the stage of semi-automatic, automatic and intelligent, so the development of drug-cored welding wire has brought broad prospects. Flux-cored welding wire is an advanced welding material that has developed rapidly and spread rap...

Claims

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Application Information

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IPC IPC(8): B23K35/40
CPCB23K35/406
Inventor 黎超英吴沛荣
Owner LIUZHOU KAITONG NEW MATERIAL TECH CO LTD