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Flux-cored wire for jaw plate

A technology of welding wire and jaw plate, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of poor impact resistance and toughness, falling off, and easy cracks of the coating, so as to increase wear resistance, Effect of reducing porosity and increasing crack resistance

Inactive Publication Date: 2017-09-01
安徽飞弧焊业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The formed surfacing coating often has good wear resistance, but the impact resistance and toughness of the coating are poor. After being impacted many times, it is often easy to crack and fall off.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A flux-cored welding wire for jaw plate, comprising a steel strip sheath and a flux core, wherein the raw materials of the flux core include graphite 5%, chromium powder 15.5%, ferromanganese 5.5%, molybdenum powder 2.5%, vanadium powder in weight percentage 8.5%, nickel powder 4%, silicon dioxide 3%, titanium diboride 0.7%, titanium dioxide 1.5%, rare earth 5%, magnesium aluminum alloy 6%, fluorite 2%, the balance is iron powder.

Embodiment 2

[0020] A flux-cored welding wire for jaw plate, comprising a steel strip sheath and a flux core, wherein the raw materials of the flux core include graphite 4%, chromium powder 16%, ferromanganese 3%, molybdenum powder 3%, vanadium powder in weight percentage 8%, nickel powder 5%, silicon dioxide 2%, titanium diboride 1%, titanium dioxide 1%, rhenium oxide 6%, magnesium aluminum alloy 5%, fluorite 3%, the balance is iron powder;

[0021] Among them, titanium dioxide, fluorite, and silicon dioxide must be dried; ferromanganese must be processed at 320°C for 1 hour; the flux-cored wire surfacing speed is 8mm / s; the particle size of the core material is 100 mesh; The filling amount of the core is 50% of the total weight of the welding wire.

Embodiment 3

[0023] A flux-cored welding wire for jaw plate, comprising a steel strip sheath and a flux core, wherein the raw materials of the flux core include graphite 6%, chromium powder 15%, ferromanganese 8%, molybdenum powder 2%, vanadium powder in percentage by weight 9%, nickel powder 3%, silicon dioxide 4%, titanium diboride 0.5%, titanium dioxide 2%, rhenium oxide 4%, magnesium aluminum alloy 7%, fluorite 1%, the balance is iron powder;

[0024] Among them, titanium dioxide, fluorite, and silicon dioxide must be dried; ferromanganese must be processed at 330°C for 1 hour; the flux-cored wire surfacing speed is 5mm / s; the particle size of the core material is 150 mesh; The filling amount of the core is 42% of the total weight of the welding wire.

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PUM

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Abstract

The invention discloses a flux-cored wire for a jaw plate. The flux-cored wire comprises a steel-tape sheath and a flux core, wherein the flux core comprises the following raw materials in percentage by weight: 4-6% of graphite, 15-16% of chromium powder, 3-8% of ferromanganese, 2-3% of molybdenum powder, 8-9% of vanadium powder, 3-5% of nickel power, 2-4% of silicon dioxide, 0.5-1% of titanium diboride, 1-2% of titanium dioxide, 4-6% of rare earth, 5-7% of magnalium, 1-3% of fluorite and the balance of iron powder. According to the flux core, through mutual cooperation of all elements, a welding coating is enabled to have high wear resistance as well as high strength and toughness.

Description

Technical field [0001] The invention relates to the technical field of welding wires, in particular to a flux-cored welding wire for jaw plates. Background technique [0002] The jaw crusher is used for ore crushing. The jaw plate is made of high manganese steel. The high manganese steel has good resistance to chiseling abrasive wear. However, the jaw plate is strongly chipped and rubbed by the ore during work. , Its wear is still very serious, even one or two days need to replace the jaw plate, resulting in a large number of damaged jaw plate, the above-mentioned damaged jaw plate can be repaired by surfacing and reused. The formed surfacing coating often has good wear resistance, but the coating has poor impact resistance and toughness. After being subjected to multiple impacts, it tends to crack and fall off. Summary of the invention [0003] Based on the technical problems existing in the background art, the present invention proposes a flux-cored welding wire for jaw plate. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/368
CPCB23K35/368
Inventor 卢齐元
Owner 安徽飞弧焊业股份有限公司
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