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Jaw plate and its preparation method

A jaw plate and compact technology, which is applied in the field of composite jaw plate and its preparation, can solve the problems of low coating bonding strength, low production efficiency, and demanding production equipment

Active Publication Date: 2017-01-11
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] At present, the methods for preparing carbide coatings include chemical vapor deposition, physical vapor deposition, thermal spraying, thermal diathermy, etc., but these methods have the disadvantages of demanding production equipment, low production efficiency, and low coating bonding strength.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] Embodiment 1: the preparation method of jaw plate, comprises the steps:

[0074] 1. First prepare a vanadium plate 1, wherein the purity of vanadium should be controlled at 99.7%. The vanadium plate 1 should be surface treated first, and the steps are as follows:

[0075] The first step is pickling, choose 300ml / L hydrochloric acid, and then rinse with running water;

[0076] In the second step of pickling, choose 300ml / L hydrofluoric acid, and then rinse with running water;

[0077] The third step is surface grinding, using 800 mesh Al 2 o 3 Sandpaper and finally ultrasonic cleaning with alcohol. The thickness of the vanadium plate 1 is controlled at 0.2mm.

[0078]2. According to the size of the jaw plate 2, the jaw plate mold 3 is made of polystyrene foam. According to the working force of the jaw plate 2, the main wear part is the working surface of the jaw plate 2 in contact with the material. According to this, the vanadium The plate 1 is fixed on the surfac...

Embodiment 2

[0087] Embodiment 2: the preparation method of jaw plate, comprises the steps:

[0088] 1. First prepare a vanadium plate 1, wherein the purity of vanadium should be controlled at 99.8%. The vanadium plate 1 should be surface treated first, and the steps are as follows:

[0089] The first step is pickling, 60ml / L phosphoric acid, and then rinse with running water;

[0090] The second step is pickling, 200ml / L sulfuric acid, and then rinse with running water;

[0091] The third step is surface grinding, using 1000 mesh Al 2 o 3 Sandpaper and finally ultrasonic cleaning with alcohol. The thickness of the vanadium plate 1 is controlled at 1mm.

[0092] 2. According to the size of the jaw plate 2, the jaw plate mold 3 is made of polystyrene foam. According to the working force of the jaw plate 2, the main wear part is the working surface of the jaw plate 2 in contact with the material. According to this, the vanadium The plate 1 is fixed on the surface of the jaw plate mold ...

Embodiment 3

[0101] Embodiment 3: the preparation method of jaw plate, comprises the steps:

[0102] 1. First prepare a vanadium plate 1, wherein the purity of vanadium should be controlled at 99.8%. The vanadium plate 1 should be surface treated first, and the steps are as follows:

[0103] The first step is pickling, 120ml / L hydrogen peroxide, and then rinse with running water;

[0104] The second step is pickling, 240ml / L hydrogen peroxide, and then rinse with running water;

[0105] The third step is surface grinding, using 1000 mesh Al 2 o 3 Sandpaper and finally ultrasonic cleaning with alcohol. The thickness of the vanadium plate 1 is controlled at 0.35mm.

[0106] 2. According to the size of the jaw plate 2, the jaw plate mold is made of polystyrene foam. According to the working force of the jaw plate 2, the main wear part is the working surface of the jaw plate 2 in contact with the material. According to this, the vanadium plate 1 is fixed on the surface of the jaw plate m...

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Abstract

The invention provides a jaw plate and a production method thereof. The work surface of the jaw plate contacting with a material is provided with a carbide coating The surface of the jaw plate is provided with the carbide coating. The carbide coating includes a V2C dense ceramic layer, and further includes a micrometer V8C7 dense ceramic layer and a V8C7-substrate fusion layer. The V2C dense ceramic layer, the micrometer V8C7 dense ceramic layer and the V8C7-substrate fusion layer are distributed in a gradient manner. The carbide coating can be applied to the surface of high manganese steel. The coating and the substrate are metallurgically bonded, and the bonding force is strong, so the problems of non-metallurgical bonding between present hard particles and a metal substrate, weak bonding force and easy shedding of the particles are overcome, and the wear resistance of the work surface of the jaw plate is greatly improved.

Description

technical field [0001] The invention relates to a composite jaw plate with a wear-resistant coating and a preparation method thereof, in particular to a composite jaw plate with a wear-resistant carbide coating and a preparation method thereof, in particular to a composite jaw plate applied to the surface of high manganese steel A wear-resistant carbide-coated composite jaw plate and a preparation method thereof. Background technique [0002] As an important part of the jaw crusher, the jaw plate is easily damaged by wear and tear when crushing stones, ores and other materials. It is replaced frequently, which reduces the working efficiency of the equipment and causes a lot of waste of steel materials. Therefore, the jaw plate is usually required to have high wear resistance and high toughness, as well as good mechanical properties, and the safety and reliability of the equipment must be guaranteed. [0003] At present, the commonly used jaw plate materials are almost all m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C1/10B22D19/16B22D18/06
Inventor 许云华叶芳霞梁淑华燕映霖钟黎声赵娜娜王娟邹军涛肖鹏
Owner XIAN UNIV OF TECH