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Cladding method of alloy powder material

A technology of alloy powder and welding, which is applied in metal material coating technology, metal processing equipment, coating, etc., can solve the problem of wear of the rotary vane plate or arc-shaped coal retaining plate of the coal shearer drum, the expensive alloy system, and the use Short life and other problems, achieve the effect of reducing segregation, improving alloy quality, hardness and wear resistance

Inactive Publication Date: 2013-08-21
SHANXI LUAN ENVIRONMENTAL ENERGY DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation of alloy powder material and its welding method, to solve the problem that the alloy system in the prior art is expensive and costly; The coal baffle is severely worn by coal and has a short service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1. Selection of materials. Choose low-priced ferroalloys as raw materials, ferro-vanadium, ferro-titanium, ferro-tungsten, ferro-molybdenum, ferrosilicon and medium-carbon ferro-boron, as well as rutile powder and dolomite powder; instead of choosing expensive pure metal powder as raw materials , the market price of ferrovanadium is 110 yuan / kg, and the market price of 200 mesh pure vanadium powder is 3600 yuan / kg. The market price of ferro-titanium is 25 yuan / kg, while the market price of 200-mesh pure vanadium powder is 3,800 yuan / kg; the price of alloy powder made of ferroalloy as raw material is low;

[0018] 2. Broken ferroalloy block. Jaw crusher is used to crush the ferroalloy into particles with a diameter of 1-10mm. The model of the jaw crusher is RK / PEF100×125.

[0019] 3. Ball milling of ferroalloy ingots. The ferroalloy particles crushed to a diameter of 1-10 mm are ball-milled by a ball mill and sieved with a 200-mesh sieve to obtain ferroalloy powders ...

Embodiment 2

[0025] 1. Selection of materials. Choose low-priced ferroalloys as raw materials instead of expensive pure metal powders (for example, the market price of ferro-vanadium is 110 yuan / kg, while the market price of 200-mesh pure vanadium powder is 3,600 yuan / kg. The market price of ferro-titanium is 25 yuan / kg. Yuan / kg, while the market price of 200-mesh pure vanadium powder is 3,800 yuan / kg). The alloy powder made of ferroalloy as raw material is cheap.

[0026] 2. Broken ferroalloy block. Use a jaw crusher (model RK / PEF100×125) to crush the ferroalloy into particles with a diameter of 1 to 10 mm.

[0027] 3. Ball milling of ferroalloy ingots. The ferroalloy particles crushed to a diameter of 1-10mm are ball milled by a ball mill (RK / ZQMФ160×60 type), and sieved with a 200-mesh sieve to obtain ferroalloy powders below 200 mesh.

[0028] 4. Preparation of powder: weight percentage: (1) 48% ferro-vanadium (brand FeV50-B), (2) 18% ferro-titanium (brand FeTi30-A), (3) 8% ferromo...

Embodiment 3

[0033] 1. Selection of materials: Choose low-priced ferroalloys as raw materials instead of expensive pure metal powders (for example, the market price of ferro-vanadium is 110 yuan / kg, while the market price of 200-mesh pure vanadium powder is 3600 yuan / kg. Titanium The market price of iron is 25 yuan / kg, while the market price of 200 mesh pure vanadium powder is 3800 yuan / kg). The alloy powder made of ferroalloy as raw material is cheap.

[0034] 2. Crushing of ferroalloy blocks: Jaw crusher (model RK / PEF100×125) is used to crush the ferroalloy into particles with a diameter of 1-10mm.

[0035] 3. Ball milling of ferroalloy lumps: Ferroalloy particles crushed to a diameter of 1-10mm are ball milled by a ball mill (RK / ZQMФ160×60 type), and sieved with a 200-mesh sieve to obtain ferroalloy powders below 200 mesh.

[0036] 4. Preparation of powder: weight percentage: (1) 50% ferrovanadium (brand FeV50-B), (2) 23% ferro-titanium (brand FeTi30-A), (3) 5% medium carbon ferroboron...

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Abstract

A preparation method and a depositing method of an alloy powder material belong to preparation methods and depositing methods of abrasion-resisting materials. The preparation method includes 1 selecting ferroalloy, rutile powder and dolomite powder as raw materials; 2 crushing the ferroalloy till the ferroalloy becomes particles with diameter ranging from 1 to 10 mm; 3 ball-milling the particles through a ball mill to obtain ferroalloy powder below 200 meshes; 4 dosing by weight percentage and mixing powder raw materials evenly; 5 adding 3-5% water glass into the evenly mixed powder, mixing evenly, static-pressing for 3-5 seconds on a hydropress, and taking out; 6 drying at the heating temperature of 110 DEG C, and heating time ranges from 4 to 6 hours. The depositing method includes thatalloy powder blocks are placed on the surfaces of vane plates of a rotary drum or an arc coal-retaining plate of a coal cutting machine and manually arc welded to the surfaces by adopting an inversion direct current arc welding machine. The alloy powder blocks are melted on the surfaces of the vane plates of the rotary drum or the arc coal-retaining plate of the coal cutting machine to form high abrasion-resisting alloy blocks. The preparation method and the depositing method of the alloy powder material have the advantages that hardness of the alloy system reaches HRC 64-66, abrasion resistance is 12.8 times higher than 16 Mn, and service life of the rotary drum of the coal cutting machine is prolonged.

Description

technical field [0001] The invention relates to a preparation of a wear-resistant material and a welding method thereof, in particular to a preparation of an alloy powder material and a welding method thereof. Background technique [0002] At present, the coal shearer uses a rotating working mechanism to break coal. The operating environment is relatively harsh and the force is relatively large. The wear-resistant failure of the drum blade plate and the arc-shaped coal retaining plate often occurs, which will cause the shearer to be shut down for maintenance and affect coal production. . With the modernization of coal production technology and mining equipment, the intensity of coal mining continues to increase, which puts forward higher requirements for the wear resistance of the drum blade plate and the arc-shaped coal retaining plate. [0003] In order to solve the wear of coal mine machinery, some wear-resistant alloy powders are used. The alloys after deposition are ro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C24/10B23K26/34
Inventor 郝建国应鹏展王树忠王强谢建军杨峰李清艳张彦弘
Owner SHANXI LUAN ENVIRONMENTAL ENERGY DEV
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