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Iron-based welding wire for laser cladding and preparation method thereof

An iron-based welding wire and laser cladding technology, applied in welding equipment, manufacturing tools, welding media, etc., can solve the problems of no welding wire, etc., and achieve the effects of low manufacturing cost, high material utilization rate, and high wire feeding accuracy

Active Publication Date: 2021-05-25
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the lateral wire feeding systems are used for laser cladding, and there is no special welding wire for the wire feeding laser cladding system, and most of them use the existing welding wires for fusion welding

Method used

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  • Iron-based welding wire for laser cladding and preparation method thereof
  • Iron-based welding wire for laser cladding and preparation method thereof

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Effect test

preparation example Construction

[0035] The preparation method of the above-mentioned iron-based welding wire for laser cladding, the specific steps are as follows:

[0036] Step 1: Weigh the following powders according to mass percentage: B powder 1.7-6.5%, ferrosilicon powder 1.3-4.0%, ferromanganese powder 2.6-5.5%, Ni powder 10-24%, Cr powder 60-80%, more than The sum of the mass percentages of the components is 100%;

[0037] Step 2: Place B powder, ferrosilicon powder, ferromanganese powder, Ni powder and Cr powder weighed in step 1 in a vacuum heating furnace for heat treatment at a heating temperature of 260-300°C and a holding time of 2 hours. Crystal water in the medicinal powder; place the heat-treated B powder, ferrosilicon powder, ferromanganese powder, Ni powder and Cr powder in a powder mixer to fully mix to obtain a mixed medicinal powder, and the mixing time is 1h;

[0038] Step 3: Use alcohol to remove the grease on the surface of the low-carbon steel strip, and wrap the mixed drug powder p...

Embodiment 1

[0044] A preparation method of iron-based welding wire for laser cladding:

[0045] Step 1: Take the following medicinal powders by mass percentage: B powder 1.7%, ferrosilicon powder 1.3%, ferromanganese powder 2.6%, Ni powder 24%, Cr powder 70.4%, the sum of the above component mass percentages is 100%;

[0046] Step 2: Place the B powder, ferrosilicon powder, ferromanganese powder, Ni powder and Cr powder weighed in step 1 in a vacuum heating furnace for heat treatment at a heating temperature of 260°C and a holding time of 2 hours. crystal water; the heat-treated B powder, ferrosilicon powder, ferromanganese powder, Ni powder and Cr powder are placed in a powder mixer and fully mixed to obtain a mixed powder, and the mixing time is 1h;

[0047] Step 3: Use alcohol to remove the grease on the surface of the low-carbon steel strip, and wrap the mixed drug powder prepared in step 2 in the low-carbon steel strip through the flux-cored wire drawing equipment. The hole diameter ...

Embodiment 2

[0053] A preparation method of iron-based welding wire for laser cladding:

[0054] Step 1: Take the following medicinal powders by mass percentage: B powder 6.5%, ferrosilicon powder 4.0%, ferromanganese powder 5.5%, Ni powder 10%, Cr powder 74%, the sum of the mass percentages of the above components is 100%;

[0055] Step 2: Place the B powder, ferrosilicon powder, ferromanganese powder, Ni powder and Cr powder weighed in step 1 in a vacuum heating furnace for heat treatment at a heating temperature of 300°C and a holding time of 2 hours. crystal water; the heat-treated B powder, ferrosilicon powder, ferromanganese powder, Ni powder and Cr powder are placed in a powder mixer and fully mixed to obtain a mixed powder, and the mixing time is 1h;

[0056] Step 3: Use alcohol to remove the grease on the surface of the low-carbon steel strip, and wrap the mixed drug powder prepared in step 2 in the low-carbon steel strip through the flux-cored wire drawing equipment. The hole dia...

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Abstract

The present invention disclosed a laser melting wire with iron -based welding wire, including the core and welding skin. The Chinese medicine core is composed of the following components: 1.7 to 6.5 %, 1.3 to 4.0 % of silicon iron powder, manganese iron Powder is 2.6 to 5.5 %, Ni powder is 10 to 24 %, CR powder is 60-80 %, and the sum of the above components is 100 %. This welding wire can achieve high -hardness, high -wear -resistant melting layer that is difficult to achieve in solid welding wires. The preparation method of the welded wire was also disclosed: step 1: according to the above -mentioned ratio to be called each medicine powder; step 2: heated each medicine powder that 1 is taken, and then mix; step 3: use the cord welding wire drawing device to put the steps to step the steps 2 The prepared mixed medicine powder is wrapped in a low -carbon steel belt; step 4: After the first process is pulled, the diameter of the mold pores will be reduced in turn, and the ciner welding wire with a diameter of 1.0 to 1.2mm is finally obtained. After the pull is completed, it is available.

Description

technical field [0001] The invention belongs to the technical field of metal materials, and in particular relates to an iron-based welding wire for laser cladding, and also relates to a preparation method of the welding wire. Background technique [0002] Laser cladding can significantly improve the surface properties of materials, restore the size of workpieces or repair worn materials. It has the characteristics of high efficiency, fast speed, and environmental protection. It is widely used in almost the entire machining industry. [0003] Laser cladding materials largely determine the performance of the cladding layer. Laser cladding materials can be divided into powder, wire and rod according to different shapes. Nowadays, almost all powder materials are used for laser cladding. Laser cladding can be divided into prefabricated powder feeding and powder feeding cladding according to different powder feeding methods. The prefabricated powder is more complicated than the po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/30B23K35/368B23K35/40
Inventor 褚巧玲仝雄伟许帅李洁李继红张敏
Owner XIAN UNIV OF TECH
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