CN112409985B

CN112409985B - Abrasive material for finishing

Info

Publication number: CN112409985B
Application number: CN202011322553.0A
Authority: CN
Inventors: 陈彦广; 蔡景坤; 陈艺文; 郭颖
Original assignee: Qinhuangdao Aike Sheng Technology Co ltd
Current assignee: Qinhuangdao Aike Sheng Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2022-03-18
Anticipated expiration: 2040-11-23
Also published as: CN112409985A

Abstract

The invention provides an abrasive for finishing, which comprises 10-30 parts of clay, 10-20 parts of quartz, 10-20 parts of alumina, 10-25 parts of feldspar, 10-20 parts of high borosilicate glass, 3-8 parts of talc, 20-30 parts of zirconia corundum and 1-5 parts of an additive. The hardness of quartz, feldspar and zirconia corundum in the invention is higher, and the quartz, feldspar and zirconia corundum can play a role in rubbing the hub in the finishing process, so that the surface of the hub is smoother; the adopted talc can play a role of a lubricant in the finishing process, so that other materials can be better contacted with the hub, and the finishing effect is achieved. The additive provided by the invention can realize a better effect when the grinding material is in contact with the hub, and the additive mainly comprises a dispersing agent, an antioxidant corrosive agent and a stabilizing agent, so that the hub is protected, and the service life of the hub is prolonged. The grain diameter of the abrasive is 2-8mm, and the abrasive has the lowest loss while ensuring the good finishing effect.

Description

Abrasive material for finishing

Technical Field

The invention relates to an abrasive material for finishing processing, and belongs to the technical field of finishing processing.

Background

The finishing process is a process of performing finish machining on a workpiece or performing micro-cutting, extruding and polishing on the surface of the workpiece by using an abrasive material with fine granularity after ordinary grinding, and is a processing method mainly used for reducing the surface roughness of the workpiece or strengthening the surface of the workpiece or improving the precision of the workpiece.

How to improve the surface quality of the hub is also a problem to be solved, and the surface roughness is mainly reduced by grinding and polishing, so it is necessary to develop an abrasive for finishing to improve the surface quality of the hub.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an abrasive for finishing.

The invention is realized by the following technical scheme: an abrasive for finishing processing, comprising the following components:

preferably, the composition comprises the following components:

preferably, the composition comprises the following components:

by adopting the technical scheme, the clay is generally formed by weathering aluminosilicate minerals on the earth surface, and the clay consists of various hydrated silicates and a certain amount of alumina, alkali metal oxides and alkaline earth metal oxides and contains quartz, feldspar, mica, sulfate, sulfide, carbonate and other substances. The clay mineral is fine, usually in the size range of colloid, is in the form of crystal or amorphous, most of which is in the form of flake, and the minority of which is in the form of tube or rod.

Quartz sand is a hard, wear-resistant, chemically stable silicate mineral, the main mineral component of which is SiO₂The hardness was 7.

The hardness of the feldspar fluctuates between 6 and 6.5, the specific gravity fluctuates between 2.55 and 2.75, the relative density is 2.55 to 2.75kg/m, and the two groups are completely cleaved. The product has the advantages of crisp property, higher compressive strength and stronger chemical stability to acid.

The high borosilicate glass has good fire resistance and high physical strength, and compared with common glass, the high borosilicate glass has no toxic or side effect, and the mechanical property, the thermal stability, the water resistance, the alkali resistance, the acid resistance and other properties are greatly improved.

Talc belongs to a trioctahedral mineral, generally in the form of blocks, leaves, fibers or radial, very soft in texture and having a greasy hand; the hardness of talc was 1.

The corundum zirconium is good in melt erosion resistance, is a high-grade refractory raw material, can be used as a high-grade abrasive material to manufacture a high-performance heavy-load grinding wheel, has a good grinding effect on steel parts, iron casting parts, heat-resistant steel and various alloy materials, and has the hardness of more than 9.

In the technical scheme, the added quartz, feldspar and zirconia corundum have high hardness, and are added into the grinding material, so that the polishing operation of the wheel hub is facilitated; the added talc has low hardness and plays a role of a lubricant in the grinding material, so that the dispersed quartz, feldspar, zirconia alumina, high-boron glass and alumina can be better contacted with the hub to achieve the polishing effect.

Preferably, the additives include a dispersant, an anti-oxidant corrosion agent, and a stabilizer.

Preferably, the dispersing agent is silicate and sodium dodecyl sulfate, the oxidation corrosion inhibitor is hydroquinone, and the stabilizer is organic tin.

Preferably, the mass ratio of the silicate to the sodium dodecyl sulfate to the hydroquinone to the organotin is 1:1:1: 1.

Preferably, the composition consists of the following components:

by adopting the technical scheme, silicate and sodium dodecyl sulfate are used as dispersing agents, so that sedimentation and agglomeration of particles can be prevented; the p-diphenol is used as an anti-oxidation corrosion agent, so that the metal surface can be prevented from being corroded in the finishing process, and the anti-abrasion and anti-wear performance under the high-speed running condition is realized; the organic tin is used as a stabilizer, and can slow down reaction, keep moisture and chemical balance, reduce surface tension, prevent light, thermal decomposition or oxidative decomposition and the like.

Preferably, the dispersant is polyacrylamide, the antioxidant corrosion agent is hydroquinone, and the stabilizer is organic rare earth.

Preferably, the mass ratio of the polyacrylamide to the hydroquinone to the organic rare earth is 2:1: 1.

Preferably, the composition consists of the following components:

by adopting the technical scheme, the polyacrylamide is used as a dispersing agent, so that the sedimentation and agglomeration of particles can be prevented; the p-diphenol is used as an anti-oxidation corrosion agent, so that the metal surface can be prevented from being corroded in the finishing process, and the anti-abrasion and anti-wear performance under the high-speed running condition is realized; the organic rare earth is used as a stabilizer, and can slow down reaction, keep moisture and chemical balance, reduce surface tension, prevent light, thermal decomposition or oxidative decomposition and the like.

Preferably, the particle size of the clay, quartz, alumina, feldspar, high borosilicate glass, talc, zirconia alumina and additive is 2-8 mm.

By adopting the technical scheme, the material is crushed into particles with the particle size of 2-8mm, so that the polishing treatment is convenient, the smoothness of the surface of the hub is easily reduced due to the overlarge particle size, and the polishing treatment is not facilitated due to the too small particle size, so that a large amount of abrasive materials are consumed, and the cost is increased.

The invention has the beneficial effects that:

(1) the hardness of quartz, feldspar and zirconia corundum in the polishing wheel is higher, so that the polishing wheel can play a role in polishing the surface of the wheel hub in the polishing process, and the surface of the wheel hub is smoother; the adopted talc can play a role of a lubricant in the finishing process, so that other materials can be better contacted with the hub, and the finishing effect is achieved.

(2) The additive provided by the invention can realize a better effect when the grinding material is in contact with the hub, and the additive mainly comprises a dispersing agent, an antioxidant corrosive agent and a stabilizing agent, so that the hub is protected, and the service life of the hub is prolonged.

(3) The grain diameter of the abrasive is 2-8mm, and the abrasive has the lowest loss while ensuring the good finishing effect.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Examples

TABLE 1 abrasive compositions for examples 1-9

The construction process comprises the following steps: the preparation of the grinding material is carried out according to the component content in the table 1, wherein the particle sizes of clay, quartz, alumina, feldspar, high borosilicate glass, talc, zirconia alumina and additive are 4mm, the existing grinding fluid is added into a finishing machine, so that the grinding fluid is over the grinding material, and the influence on the processing effect caused by excessive addition of the grinding fluid is avoided.

Test example 1 Effect of additive composition on finishing

In this test example, the effect of different additive compositions on the finishing was examined with the other components being identical. The compositions are shown in tables 2 and 4, and the results of the effects of the compositions on the wear rate of the abrasive during the finishing process are shown in tables 3 and 5.

TABLE 2 composition of the abrasives in the respective groups

TABLE 3 abrasion Rate of abrasives in the smoothing Process

	Example 1	Comparative example 1	Comparative example 2	Comparative example 3	Comparative example 4	Comparative example 5	Comparative example 6	Comparative example 7
									Rate of wear/%)	9.5	9	9	8	9	8.5	8	5.5

The construction process comprises the following steps: the preparation of the grinding material is carried out according to the component content in the table 2, wherein the particle sizes of clay, quartz, alumina, feldspar, high borosilicate glass, talc, zirconia alumina and additive are 4mm, the existing grinding fluid is added into a finishing machine, so that the grinding fluid is over the grinding material, and the influence on the processing effect caused by excessive addition of the grinding fluid is avoided.

As can be seen from Table 3, when the additives are silicate, sodium dodecyl sulfate, hydroquinone and organotin, the wear rate of the abrasive is the lowest, because the silicate and sodium dodecyl sulfate act as dispersants, preventing the settling and agglomeration of particles; the p-diphenol is used as an anti-oxidation corrosion agent, so that the metal surface can be prevented from being corroded in the finishing process, and the anti-abrasion and anti-wear performance under the high-speed running condition is realized; the organic tin is used as a stabilizer, and can slow down the reaction, keep chemical balance, reduce the surface tension, prevent the effects of light, thermal decomposition or oxidative decomposition and the like.

TABLE 4 composition of abrasives in each group

TABLE 5 abrasion Rate of abrasives in the smoothing Process

	Example 7	Comparative example 8	Comparative example 9	Comparative example 10	Comparative example 11	Comparative example 12	Comparative example 13
								Rate of wear/%)	10	9.6	9	8	3.8	8.3	8

The construction process comprises the following steps: the preparation of the grinding material is carried out according to the component content in the table 4, wherein the particle sizes of clay, quartz, alumina, feldspar, high borosilicate glass, talc, zirconia alumina and additive are 4mm, the existing grinding fluid is added into a finishing machine, so that the grinding fluid is over the grinding material, and the influence on the processing effect caused by excessive addition of the grinding fluid is avoided.

As can be seen from Table 5, the wear rate of the abrasive is lowest when the additives are polyacrylamide, hydroquinone and organic rare earth, because the polyacrylamide is used as a dispersant to prevent the sedimentation and agglomeration of particles; the p-diphenol is used as an anti-oxidation corrosion agent, so that the metal surface can be prevented from being corroded in the finishing process, and the anti-abrasion and anti-wear performance under the high-speed running condition is realized; the organic rare earth is used as a stabilizer, and can slow down reaction, keep moisture and chemical balance, reduce surface tension, prevent light, thermal decomposition or oxidative decomposition and the like.

Test example 2 Effect of additive content on finishing

TABLE 6 composition of abrasives in each group

TABLE 7 abrasion Rate of abrasives in the smoothing Process

	Comparative example 7	Comparative example 14	Comparative example 15	Comparative example 16	Comparative example 17
						Rate of wear/%)	5.5	6.2	3.5	3	3

The abrasive is prepared according to the mass ratio of silicate, sodium dodecyl sulfate, hydroquinone and organotin of 1:1:1:1, the content of the additive is 2-5%, and the particle sizes of clay, quartz, alumina, feldspar, high borosilicate glass, talc, zirconia alumina and the additive are 4mm, as can be seen from table 7, the wear rate of the abrasive shows a trend of decreasing with the increase of the content of the additive, and when the content of the additive exceeds 3%, the wear rate of the abrasive decreases slowly.

Test example 3 Effect of abrasive grain size on finishing

The abrasive formulations were prepared according to the formulation of example 1, comparative examples 18-25 were set, and the abrasive particle size of each comparative example is detailed in Table 8.

TABLE 8 Effect of different particle size on finishing

As can be seen from Table 8, the wear rate of the abrasive is between 3% and 5% as the particle size of the abrasive increases, and the polishing time decreases as the particle size increases, but when the particle size exceeds 8mm, the polishing effect is not ideal, and in conclusion, the particle size of the abrasive of the present application is selected to be between 2 mm and 8 mm.

The quartz, the feldspar and the zirconia corundum in the invention have higher hardness, can play a role of rubbing the hub in the finishing process, and ensure that the surface of the hub is smoother; the adopted talc can play a role of a lubricant in the finishing process, so that other materials can be better contacted with the hub, and the finishing effect is achieved. The additive enables the grinding material to achieve a better effect in the process of contacting with the hub, and the additive mainly comprises a dispersing agent, an antioxidant corrosive agent and a stabilizing agent, so that the hub is protected, and the service life of the hub is prolonged.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The abrasive for finishing processing is characterized by comprising the following components:

the additive comprises a dispersant, an anti-oxidation corrosive agent and a stabilizer;

wherein:

the dispersing agent is silicate and sodium dodecyl sulfate, the antioxidant corrosive agent is hydroquinone, the stabilizing agent is organic tin, and the mass ratio of the silicate to the sodium dodecyl sulfate to the hydroquinone to the organic tin is 1:1:1: 1;

or

The dispersant is polyacrylamide, the antioxidant corrosive agent is hydroquinone, and the stabilizer is organic rare earth; the mass ratio of the polyacrylamide to the hydroquinone to the organic rare earth is 2:1: 1.

2. The abrasive for finishing according to claim 1, comprising the following components:

3. the abrasive for finishing according to claim 2, comprising the following components:

4. the abrasive for finishing according to claim 1, which comprises the following components:

5. the abrasive for finishing according to claim 1, which comprises the following components:

6. the abrasive material for finishing according to any one of claims 1 to 5, wherein the clay, quartz, alumina, feldspar, borosilicate glass, talc, zirconia alumina and additives have a particle size of 2 to 8 mm.