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Method for processing high-wear-resistant alloy welding wire

A technology of alloy welding wire and processing method, which is applied in the field of wear-resistant welding wire, can solve problems such as poor control of process conditions, unsatisfactory arc stability, and rough weld appearance, so as to improve arc stability, inhibit carbon oxidation, reduce The effect of gas overflow splash

Inactive Publication Date: 2016-06-15
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

[0026] Dry high-carbon ferrochromium powder, electrolytic manganese metal powder, boron-iron alloy powder, niobium-iron alloy powder, silicon-ferroalloy powder, molybdenum-ferroalloy powder, aluminum powder, and iron powder in a resistance furnace at 100°C for 2 hours; then use a 100-mesh sieve to sieve and keep warm at 80°C; then add the above 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 and dry the steel strip, and then put it in 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 high-carbon ferrochrome alloy powder 8%, electrolytic metal manganese powder 1.5%, boron-iron alloy powder 4%, niobium-iron alloy powder 4%, 2% ferrosilicon alloy powder, 2% ferromolybdenum alloy powder, 2% aluminum powder, and the balance is high wear-resistant alloy welding wire of iron powder. After ...

Embodiment 2

[0028] Dry high-carbon ferrochromium powder, electrolytic manganese metal powder, boron-iron alloy powder, niobium-iron alloy powder, silicon-ferroalloy powder, molybdenum-iron alloy powder, aluminum powder, and iron powder in a resistance furnace at 120°C for 1.5 hours; then use a 100-mesh sieve 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 hours; at the same time, use the mixture of lime, sawdust and felt pad to clean the steel strip and dry it, then put it in the roller mold and fill the mixed powder on the steel strip, and then through mold forming, wire drawing, layer winding, and packaging to obtain high-carbon ferrochrome alloy powder 9%, electrolytic metal manganese powder 1.8%, boron-iron alloy powder 3.2%, niobium-iron alloy powder 3%, 3% ferrosilicon alloy powder, 2.5% ferromolybdenum alloy powder, 1.5% aluminum powder, and the balance is high wear-resistant alloy welding wire of ir...

Embodiment 3

[0030] Dry high-carbon ferrochromium powder, electrolytic manganese metal powder, boron-iron alloy powder, niobium-iron alloy powder, silicon-ferro alloy powder, molybdenum-iron alloy powder, aluminum powder, and iron powder in a resistance furnace at 150°C for 1 hour; then use a 100-mesh sieve to sieve and keep warm at 80°C; then add the above preserved powder into the mixer according to the mass ratio and mix for 2.5 hours; at the same time, use the mixture of lime, sawdust and felt pad to clean and dry the steel strip, and then put it in 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 high-carbon ferrochrome alloy powder 10%, electrolytic metal manganese powder 2%, boron-iron alloy powder 2.5%, niobium-iron alloy powder 2%, 4% ferrosilicon alloy powder, 3% ferromolybdenum alloy powder, 1% aluminum powder, and the balance is high wear-resistant alloy welding wire of iron powder. ...

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Abstract

The invention relates to a flux-cored welding wire, particularly to a method for processing high-wear-resistant alloy welding wire. The method comprises the following steps: respectively drying, screening and storing high-carbon ferrochrome alloy powder, electrolytic manganese metal powder, ferroboron alloy powder, ferrocolumbium alloy powder, ferrosilicon alloy powder, ferromolybdenum alloy powder, aluminum powder and iron powder, adding the stored powder into a mixer according to weight ratio for mixing; placing a cleaned and dried steel strip on a roller die, filling the steel strip with the mixed powder, and conducting die molding, wiredrawing, winding layer by layer and packaging. According to the method, the welding core powder can be dried, so that the prepared wear-resistant welding wire is low in generation of defects of pores, press pits, even cracks and the like in the welding process; three types of wear-resistant-material strong carbide forming elements of chromium, molybdenum and columbium are added into a flux core, so that the formed cubic system carbide is high in hardness and good in thermostability, and the abrasive resistance of the weld alloy can be improved.

Description

technical field [0001] The invention relates to a wear-resistant welding wire, in particular to a processing method of a high wear-resistant alloy 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/40
CPCB23K35/40
Inventor 黎超英吴沛荣
Owner LIUZHOU KAITONG NEW MATERIAL TECH CO LTD
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