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Adhesion method of solid particles on curved surface of metal workpiece

A technology for solid particles and metal workpieces, which is applied in the direction of devices and coatings for coating liquids on the surface, and can solve problems such as no technical methods.

Active Publication Date: 2020-10-20
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this adhesion requirement, there is no technical method that can be realized at present

Method used

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  • Adhesion method of solid particles on curved surface of metal workpiece

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Adhere Φ10um metal aluminum powder particles on the inner cylindrical surface of the metal workpiece, the adhesion thickness is 50um, the implementation steps are as follows:

[0021] a. On the inner cylindrical surface of the metal workpiece, spray a layer of ethylene glycol butyl ether reagent with a liquid nozzle, and form a uniform adhesion area after spreading the ethylene glycol butyl ether reagent;

[0022] b. On the adhesion area, use a powder nozzle to spray Φ10um metal aluminum powder particles;

[0023] c. After the ethylene glycol butyl ether reagent in the adhesion area volatilizes, the metal aluminum powder particles complete the adhesion on the inner cylindrical surface of the metal workpiece;

[0024] d. Repeat step a to step c until the metal aluminum powder particles reach the thickness requirement.

[0025] The optical microscope photo of the inner cylindrical surface of the metal workpiece after adhesion is shown in figure 1 .

Embodiment 2

[0027] The embodiment of this embodiment is basically the same as that of Embodiment 1, the main difference is that Φ50um nylon powder particles are adhered on the outer conical surface of the metal workpiece, the adhesion thickness is 125um, and the slowly volatile reagent used is propylene glycol methyl ether.

Embodiment 3

[0029] The embodiment of this embodiment is basically the same as that of Embodiment 1, the main difference is that Φ60um quartz sand particles are adhered on the inner spherical surface of the metal workpiece, the adhesion thickness is 150um, and the slow volatile reagent used is isoamyl acetate.

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Abstract

The invention discloses a method for adhering of solid particles to the surface of a metal workpiece hook face. According to the method, a layer of slowly-volatilized reagent is sprayed to a metal workipece with the hook face surface through a liquid sprayer, a uniform adhering area is formed after spreading of the slowly-volatilized reagent, then, the solid particles are sprayed to the adhering area through a powder sprayer, and after the slowly-volatilized reagent of the adhering area is volatilized, adhering of the solid particles to the surface of the metal workpiece hook face is finished.The solid particles adhering through the method cannot have physical or chemical changes and are free of retention of additives and other impurities. Second-round spraying can be conducted by adjusting the spraying width of the liquid sprayer and the powder sprayer, and finally the adhering thickness of the solid particles on the surface of the metal workpiece hook face is controlled.

Description

technical field [0001] The invention belongs to the technical field of surface spraying, and in particular relates to a method for adhering solid particles on the curved surface of a metal workpiece. Background technique [0002] Usually, there will be a thin layer of dust particles deposited on the ground after rain and on the front cover of outdoor parking cars. Due to the force between the particles and the substrate, and between the particles, this naturally deposited film of dust particles will vibrate slightly No damage will occur, but it will come off with a slight rub. [0003] In the test, the solid particles are naturally deposited on the flat substrate by stirring the mixed solution of the solid particles and water or alcohol, so as to obtain the desired solid particle plane adhesion sample. [0004] In order to meet the special requirements of the test, it is necessary to adhere solid particles on the curved surface of the metal workpiece, and it is required tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D7/14B05D1/12
CPCB05D1/12B05D7/14
Inventor 童春张葆青辛越峰刘健松李春阳刘征宇陈爽蒋明
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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