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Polishing and cleaning process for precision component

A component and precision technology, which is applied in the direction of polishing composition containing abrasives, grinding/polishing equipment, surface polishing machine tools, etc., can solve the problem of reducing the surface adsorption force of particles and precision components, difficult to remove sub-micron particles, Physical damage and other problems on the surface of precision components, to achieve good polishing effect, prevent settlement, and high hardness

Inactive Publication Date: 2019-04-19
临安宇杰精密制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional wiping method can effectively remove large-scale particles above microns, but it is difficult to remove sub-micron-sized particles, and due to the inconsistent technical level and proficiency of wiping personnel, when wiping large-area precision components or requiring mass production , the efficiency is very low; RCA cleaning belongs to chemical cleaning, using different chemical solvents can reduce the adsorption force between particles and the surface of precision components, but if the concentration of chemical solutions is not properly controlled, it will cause serious corrosion on the surface of precision components, resulting in rough surfaces Ultrasonic cleaning is a physical cleaning method. By selecting an appropriate ultrasonic frequency, particles of various sizes from micron to submicron can be efficiently removed from the surface of the substrate. However, when the ultrasonic frequency and power are selected improperly or the ultrasonic time is too long, it will cause Physical damage to the surface of precision components

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0042] A polishing and cleaning process for precision components, the polishing and cleaning process comprises the following steps:

[0043] (1) Polishing:

[0044] (a) Preparation of polishing mold: Melt solid 55# polished asphalt into liquid 55# polished asphalt at 45°C, add alumina powder to the above liquid 55# polished asphalt, the mass ratio of 55# polished asphalt to alumina powder 3:1, stir and mix evenly to obtain a mixed solution of 55# polished pitch and alumina powder, pour the above mixed solution on a flat substrate, cool naturally, and solidify to obtain a polishing mold, groove the surface of the polishing mold, and the depth of the groove is is 1mm, the groove width is 1mm, and the groove is used to hold the polishing liquid;

[0045] (b) Fix the polishing mold on the grinding machine spindle, pour polishing liquid on the surface of the polishing mold, press the precision components to be polished on the polishing mold, turn on the grinding machine, the rotat...

Embodiment 2

[0052] A polishing and cleaning process for precision components, the polishing and cleaning process comprises the following steps:

[0053] (1) Polishing:

[0054] (a) Preparation of polishing mold: Melt solid 64# polishing asphalt into liquid 64# polishing asphalt at 50°C, add alumina powder to the above liquid 64# polishing asphalt, the mass ratio of 64# polishing asphalt to alumina powder 4:1, stir and mix evenly to obtain a mixed solution of 64# polished pitch and alumina powder, pour the above mixed solution on a flat substrate, cool naturally, and solidify to obtain a polishing mold, groove the surface of the polishing mold, the depth of the groove is 2mm, the groove width is 1.5mm, the groove is used to hold the polishing liquid;

[0055] (b) Fix the polishing mold on the grinding machine spindle, pour polishing liquid on the surface of the polishing mold, press the precision components to be polished on the polishing mold, turn on the grinding machine, the rotating s...

Embodiment 3

[0062] A polishing and cleaning process for precision components, the polishing and cleaning process comprises the following steps:

[0063] (1) Polishing:

[0064] (a) Preparation of polishing mold: Melt solid 73# polished asphalt into liquid 73# polished asphalt at 70°C, add alumina powder to the above liquid 73# polished asphalt, the mass ratio of 73# polished asphalt to alumina powder 7:1, stir and mix evenly to obtain a mixed solution of 73# polished pitch and alumina powder, pour the above mixed solution on a flat substrate, cool naturally, and solidify to obtain a polishing mold, groove the surface of the polishing mold, and the depth of the groove is is 3mm, the groove width is 2mm, and the groove is used to hold the polishing liquid;

[0065] (b) Fix the polishing mold on the grinding machine main shaft, pour polishing liquid on the surface of the polishing mold, press the precision components to be polished on the polishing mold, open the grinding machine, the rotat...

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Abstract

The invention discloses a polishing and cleaning process for a precision component. The polishing and cleaning process comprises the following steps that a precision component to be polished is pressed on a polishing die to be polished; the polished precision component is soaked in a cleaning solution and is washed with deionized water; ultrasonic cleaning with ethanol is carried out; high-pressure spray cleaning with deionized water is carried out; and drying is carried out to obtain the precision component. According to the polishing and cleaning process, polishing asphalt and alumina powderare prepared into the polishing die according to a certain ratio, the polishing die is used for polishing the precision component, the precision component can achieve the very good surface smoothness, and the machining precision of the precision component is ensured. The cleaning solution can completely remove stains, white spots and the like on the surface of the precision component. The multi-frequency ultrasonic cleaning process is adopted so that the surface of the cleaned precision component has the very good cleanliness. The test results show that the polishing and cleaning process hasthe good polishing effect and the good cleaning effect on the precision component.

Description

technical field [0001] The invention relates to the processing field of precision components, in particular to a polishing and cleaning process of precision components. Background technique [0002] After the precision components are cut and ground, they have to enter the polishing stage. At present, most of the domestic polishing of precision components is made of asphalt polishing dies (discs) made of polished asphalt to polish the precision components. The hardness of the polished asphalt directly determines the quality of the polishing die. Hardness, the polishing mold made of high-hardness polished asphalt has high hardness, which can effectively ensure the smooth surface of precision components; but if the asphalt polishing mold that does not match the hardness of precision components is used, a large amount of The polishing scratches seriously affect the processing quality such as the finish of precision components. In addition, the bonding agent of the polishing mol...

Claims

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Application Information

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IPC IPC(8): B24B29/02B08B3/12B08B3/08C11D7/08C11D7/10C11D7/26C11D7/32C11D7/34C11D7/60C09G1/02
CPCC09G1/02C11D7/08C11D7/10C11D7/261C11D7/3281C11D7/34B08B3/08B08B3/12B24B29/02B08B2203/0288
Inventor 方卫翔
Owner 临安宇杰精密制品有限公司
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