CN112894636B - Manufacturing process of grinding and tightening wheel - Google Patents
Manufacturing process of grinding and tightening wheel Download PDFInfo
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- CN112894636B CN112894636B CN202011623222.0A CN202011623222A CN112894636B CN 112894636 B CN112894636 B CN 112894636B CN 202011623222 A CN202011623222 A CN 202011623222A CN 112894636 B CN112894636 B CN 112894636B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0036—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by winding up abrasive bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
- B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a manufacturing process of a grinding and tightening wheel, which comprises an abrasive belt preparation step and an abrasive belt tightening step, wherein a nylon three-dimensional base belt and a grinding and bonding composition are selected for blending, and the grinding and bonding composition is sprayed on the nylon three-dimensional base belt and is solidified to form an abrasive belt; selecting a winding and gluing material, carrying out traction and stretching on an abrasive belt, maintaining the traction and stretching opening degree to carry out roll coating of winding and gluing, and carrying out tensioning and winding after roll coating to form a grinding and winding wheel blank; baking and curing the grinding and tightening wheel blank. The grinding and tightening wheel prepared by the invention has a very stable structure, no layering phenomenon in the using process, very small deformation under pressure and very remarkable grinding uniformity. The permeability and the bonding degree of the winding glue are greatly improved through softening and stretching before the winding coating, and the winding glue has more firm bonding force after thermal curing. The grinding wheel adopts a specific formula combination, meets the requirements of uniformity and bonding strength of grinding particles, and prolongs the service life of the grinding tightening wheel.
Description
Technical Field
The invention relates to a manufacturing process of a grinding tightening wheel, belonging to the technical field of grinding tightening wheels.
Background
The traditional winding wheel is manufactured by coating colloid on a special tube core by a roller glue coating method, winding the special tube core into a rod, and baking and curing the rod. The colloid contains a binder, an abrasive and the like, the abrasive is poor in distribution uniformity in the colloid, the grinding uniformity of the formed tightening wheel is poor, and the grinding quality is unstable.
To this case, the tight wheel of book that uses the nylon substrate as the substrate appears, through again carrying out the stoving solidification of winding coating colloid after planting the sand to the nylon substrate promptly, it has several difficult points that need attack, there is the cooperation poor at first coating colloid and planting sand colloid, lead to having the tight wheel of book deformation in the stoving solidification process, again coating colloid has the intermediate layer influence, can lead to the tight wheel of book layer to layer grinding between the transition that grinding power is not enough, influence the grinding homogeneity, in addition, the tight wheel of book after the stoving solidification can have under great grinding pressure effect and extrude the dislocation phenomenon between the layer, influence the grinding and use.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a manufacturing process of a grinding tightening wheel aiming at the problems of various defects of the traditional tightening wheel.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a manufacturing process of a grinding and tightening wheel comprises an S1 grinding material belt preparation step and an S2 grinding material belt tightening step,
the step S1 includes:
s11, selecting a nylon three-dimensional base band and grinding and bonding the composition for blending,
the volume porosity of the nylon three-dimensional base band is 65-80%, and the grinding bonding composition comprises, by mass, 1000 parts of phenolic resin, 50-120 parts of acrylic epoxy resin, 50-70 parts of polyurethane resin, 400-600 parts of water, 5-10 parts of fatty acid glyceride, 3-5 parts of stearic acid and 450-600 parts of aluminum oxide;
s12, grinding the abrasive belt to plant sand,
spraying a grinding adhesive composition on the nylon three-dimensional base band and curing to form a grinding material band, wherein the volume void ratio of the grinding material band is 25-45%;
the step S2 includes:
s21, selecting to wind and glue the roll,
the winding glue comprises 100 parts of polyurethane resin, 3-5 parts of calcium stearate, 10-18 parts of epoxy resin and 8-15 parts of calcium carbonate according to mass fraction;
s22 a roll-coating and winding operation,
carrying out traction and stretching on the grinding material belt, wherein the traction and stretching opening is 120-135%, maintaining the traction and stretching opening, carrying out roll coating of winding and gluing, and carrying out tensioning and rolling after roll coating to form a grinding and tensioning wheel blank;
s23, baking and curing the mixture,
and (3) carrying out tightening protection on the periphery of the grinding and tightening wheel blank through a peripheral wrapping belt, and baking for 6h +/-15 min at the temperature of 100-130 ℃ to obtain the grinding and tightening wheel.
Preferably, in step S22, before the abrasive belt is drawn and stretched, thermal softening is performed, and the thermal softening temperature is 55 ℃ to 70 ℃.
Preferably, in step S11, the particle size of the alumina is 220 to 370 mesh.
Preferably, in the step S1, the volume porosity of the nylon three-dimensional stereo base tape is 75%, and the abrasive bonding composition comprises, by mass, 1000 parts of a phenolic resin, 105 parts of an acrylic epoxy resin, 50 parts of a polyurethane resin, 510 parts of water, 5 parts of a fatty acid glyceride, 5 parts of stearic acid, and 600 parts of alumina; the abrasive tape produced had a volume void fraction of 40%.
Preferably, in the step S1, the volume porosity of the nylon three-dimensional stereo base tape is 80%, and the abrasive bonding composition comprises, by mass, 1000 parts of phenolic resin, 120 parts of acrylic epoxy resin, 70 parts of polyurethane resin, 500 parts of water, 10 parts of fatty glyceride, 3 parts of stearic acid, and 450 parts of alumina; the resulting abrasive tape had a volume void fraction of 30%.
Preferably, in the step S1, the volume porosity of the nylon three-dimensional stereo base tape is 65%, and the abrasive bonding composition comprises, by mass, 1000 parts of a phenolic resin, 80 parts of an acrylic epoxy resin, 60 parts of a polyurethane resin, 400 parts of water, 8 parts of a fatty acid glyceride, 4 parts of stearic acid, and 550 parts of alumina; the resulting abrasive tape had a volume void fraction of 25%.
Preferably, in the step S21, the winding glue comprises, by mass, 100 parts of polyurethane resin, 3 parts of calcium stearate, 10 parts of epoxy resin, and 8 parts of calcium carbonate.
Preferably, in step S21, the winding glue comprises, by mass, 100 parts of a polyurethane resin, 5 parts of calcium stearate, 18 parts of an epoxy resin, and 15 parts of calcium carbonate.
Preferably, in the step S21, the winding glue comprises, by mass, 100 parts of a polyurethane resin, 4 parts of calcium stearate, 15 parts of an epoxy resin, and 11 parts of calcium carbonate.
The invention has the following beneficial effects:
1. the manufactured grinding and tightening wheel has a very stable structure, no layering phenomenon exists in the using process, the amount of deformation under pressure is very small, and the grinding uniformity is very remarkable.
2. The permeability and the bonding degree of the winding glue are greatly improved through softening and stretching before the winding coating, and the winding glue has more firm bonding force after thermal curing.
3. The grinding wheel adopts a specific formula combination, meets the requirements of grinding particle uniformity and bonding strength, and prolongs the service life of the grinding wheel.
Detailed Description
The invention provides a manufacturing process of a grinding and tightening wheel. The following detailed description of the embodiments is provided to facilitate understanding and understanding of the invention.
A manufacturing process of a grinding and tightening wheel specifically comprises an abrasive belt preparation step and an abrasive belt tightening step.
The abrasive belt is prepared by preparing a winding substrate with abrasive capacity, generally by a non-woven three-dimensional structure and a sand-planting process, and is wound up by winding up the abrasive belt to form a wheel.
In the scheme, the abrasive belt is prepared by the following steps:
selecting a nylon three-dimensional base band and a grinding and bonding composition for blending, wherein the volume porosity of the nylon three-dimensional base band is 65-80%, the grinding and bonding composition comprises 1000 parts of phenolic resin, 50-120 parts of acrylic epoxy resin, 50-70 parts of polyurethane resin, 400-600 parts of water, 5-10 parts of fatty glyceride, 3-5 parts of stearic acid and 450-600 parts of alumina according to mass fraction, and the particle size of the alumina is 220-370 meshes;
and (3) sand planting is carried out on the grinding material belt, the grinding bonding composition is sprayed on the nylon three-dimensional base belt and is solidified to form the grinding material belt, and the volume void ratio of the grinding material belt is 25-45%.
An abrasive material belt winding step:
selecting a winding glue, wherein the winding glue comprises 100 parts of polyurethane resin, 3-5 parts of calcium stearate, 10-18 parts of epoxy resin and 8-15 parts of calcium carbonate according to mass fraction;
performing roller coating and winding operation, namely performing traction and stretching on the grinding material belt, wherein the traction and stretching opening is 120-135%, maintaining the traction and stretching opening, performing roller coating of winding and gluing, and performing tensioning and winding after roller coating to form a grinding and winding wheel blank;
baking and curing, namely performing tightening protection on the periphery of the grinding and tightening wheel blank through a peripheral wrapping belt, and baking for 6h +/-15 min at the temperature of 100-130 ℃ to obtain the grinding and tightening wheel.
Description of the specific principles:
the traditional abrasive belt generally comprises two structures, one is a fluffy non-woven structure with a volume porosity of more than 50%, and the other is a compact non-woven structure with a volume porosity of less than 50%, which have the advantages that the abrasive belt with higher fluffy degree mainly has certain elasticity and can provide certain grinding floating pressure. The compact grinding material belt is mainly used for relatively hard contact grinding, and meets the requirement of stable grinding force. The final volume void fraction of the abrasive belt is typically within 20%.
The traditional winding wheel adopts a compact non-woven base band with the volume void ratio of below 50 percent, and the compact non-woven base band has a compact structure, but in the winding process, the permeability and the bonding strength of the roller coating glue are limited, the layering phenomenon in the use process is easy to occur, and the uniform grinding difference can be caused by insufficient penetration of the roller coating glue.
And the baseband that adopts fluffy type non-woven structure carries out the wind-up wheel and winds up, and it has the great problem of deformation to after the infiltration roller rubber coating, can possess the phenomenon such as roller coat glue overflow, appear intermediate layer scheduling problem after winding, the intermediate layer also can cause layering and the even difference of grinding.
In the scheme, a specific nylon three-dimensional base band and a grinding and bonding composition are selected for mixing.
The volume porosity of the nylon three-dimensional base band is 65-80%.
The grinding and bonding composition comprises, by mass, 1000 parts of phenolic resin, 50-120 parts of acrylic epoxy resin, 50-70 parts of polyurethane resin, 400-600 parts of water, 5-10 parts of fatty acid glyceride, 3-5 parts of stearic acid and 450-600 parts of alumina.
And spraying the grinding adhesive composition on a nylon three-dimensional base band and curing to form a grinding material band, wherein the volume void ratio of the grinding material band is 25-45%.
Specifically, the nylon three-dimensional base band with the volume porosity of 65-80% is adopted, the nylon three-dimensional base band has high filling power, after sand planting, the nylon three-dimensional base band keeps the large volume porosity of 25-45%, and the formula of 1000 parts of phenolic resin, 50-120 parts of acrylic epoxy resin, 50-70 parts of polyurethane resin, 400-600 parts of water, 5-10 parts of fatty acid glyceride, 3-5 parts of stearic acid and 450-600 parts of aluminum oxide is adopted, so that the requirements of uniformity and reliable adhesive force of grinding sand grains can be met, and the grinding material band after sand planting and forming has certain tensile toughness and grinding adhesion stability.
When the grinding material belt is wound up, the grinding material belt is drawn and stretched, the drawing and stretching opening degree is 120% -135%, the drawing and stretching opening degree is maintained, roll coating of winding and gluing is carried out, and after roll coating, tightening and winding are carried out to form a grinding and winding wheel blank.
Specifically, the so-called drawing opening draws the original abrasive belt 100 to 120 to 135 unit length, so that the pores in the abrasive belt are reduced in the thickness direction and expanded in the length direction, and the nylon fiber yarns inside are bent, twisted, drawn and the like, so that the contact end positions such as bending are increased, and the volume porosity is reduced.
At the moment, roller coating operation is carried out, the requirement of roller coating permeability is met, excellent adhesion is generated between the winding glue and the inner grinding adhesion layer, winding with a certain tension degree is carried out, and no winding glue overflows during winding, so that the interlayer condition cannot exist.
The winding glue comprises 100 parts of polyurethane resin, 3-5 parts of calcium stearate, 10-18 parts of epoxy resin and 8-15 parts of calcium carbonate according to mass fraction, has excellent cohesiveness and meets the grinding supplement requirement.
And finally, carrying out tightening protection on the periphery of the grinding and tightening wheel blank through a peripheral wrapping belt, and baking for 6h +/-15 min at the temperature of 100-130 ℃ to obtain the grinding and tightening wheel, wherein the grinding and tightening wheel is stable in structure and uniform in grinding force.
Before the abrasive belt is drawn and stretched, a heat softening operation is performed at a heat softening temperature of 55 to 70 ℃. Carry out heat softening to the abrasive material area promptly, the tensile in-process makes the outer parcel grinding layer of fibre silk material soften, can not produce the fracture at tensile deformation in-process, and soften the tensile in-process, the grinding layer can produce some intensive open spaces, this open space can provide and wind the cohesion between the rubber coating, and both possess homologous resin simultaneously, can have more excellent ground cohesion in bonding curing process, be difficult for producing extrusion layering or skinning phenomenon.
Example one
The volume porosity of the nylon three-dimensional base band is 75%, and the grinding bonding composition comprises 1000 parts of phenolic resin, 105 parts of acrylic epoxy resin, 50 parts of polyurethane resin, 510 parts of water, 5 parts of fatty glyceride, 5 parts of stearic acid and 600 parts of alumina in percentage by mass; the resulting abrasive tape had a volume void fraction of 40%.
The winding glue comprises 100 parts of polyurethane resin, 3 parts of calcium stearate, 10 parts of epoxy resin and 8 parts of calcium carbonate according to mass fraction.
Example two
The volume porosity of the nylon three-dimensional base band is 75%, and the grinding and bonding composition comprises 1000 parts of phenolic resin, 105 parts of acrylic epoxy resin, 50 parts of polyurethane resin, 510 parts of water, 5 parts of fatty glyceride, 5 parts of stearic acid and 600 parts of alumina in percentage by mass; the resulting abrasive tape had a volume void fraction of 40%.
The winding glue comprises 100 parts of polyurethane resin, 5 parts of calcium stearate, 18 parts of epoxy resin and 15 parts of calcium carbonate according to mass fraction.
EXAMPLE III
The volume porosity of the nylon three-dimensional base band is 75%, and the grinding bonding composition comprises 1000 parts of phenolic resin, 105 parts of acrylic epoxy resin, 50 parts of polyurethane resin, 510 parts of water, 5 parts of fatty glyceride, 5 parts of stearic acid and 600 parts of alumina in percentage by mass; the resulting abrasive tape had a volume void fraction of 40%.
The winding glue comprises 100 parts of polyurethane resin, 4 parts of calcium stearate, 15 parts of epoxy resin and 11 parts of calcium carbonate according to mass fraction.
Example four
The volume porosity of the nylon three-dimensional base band is 80%, and the grinding and bonding composition comprises 1000 parts of phenolic resin, 120 parts of acrylic epoxy resin, 70 parts of polyurethane resin, 500 parts of water, 10 parts of fatty glyceride, 3 parts of stearic acid and 450 parts of aluminum oxide in percentage by mass; the resulting abrasive tape had a volume void fraction of 30%.
The winding glue comprises 100 parts of polyurethane resin, 3 parts of calcium stearate, 10 parts of epoxy resin and 8 parts of calcium carbonate according to mass fraction.
EXAMPLE five
The volume porosity of the nylon three-dimensional base band is 80%, and the grinding bonding composition comprises 1000 parts of phenolic resin, 120 parts of acrylic epoxy resin, 70 parts of polyurethane resin, 500 parts of water, 10 parts of fatty glyceride, 3 parts of stearic acid and 450 parts of aluminum oxide in percentage by mass; the resulting abrasive tape had a volume void fraction of 30%.
The winding glue comprises 100 parts of polyurethane resin, 5 parts of calcium stearate, 18 parts of epoxy resin and 15 parts of calcium carbonate according to mass fraction.
EXAMPLE six
The volume porosity of the nylon three-dimensional base band is 80%, and the grinding and bonding composition comprises 1000 parts of phenolic resin, 120 parts of acrylic epoxy resin, 70 parts of polyurethane resin, 500 parts of water, 10 parts of fatty glyceride, 3 parts of stearic acid and 450 parts of aluminum oxide in percentage by mass; the abrasive tape produced had a void volume of 30%.
The winding glue comprises 100 parts of polyurethane resin, 4 parts of calcium stearate, 15 parts of epoxy resin and 11 parts of calcium carbonate according to mass fraction.
EXAMPLE seven
The volume porosity of the nylon three-dimensional base band is 65%, and the grinding bonding composition comprises 1000 parts of phenolic resin, 80 parts of acrylic epoxy resin, 60 parts of polyurethane resin, 400 parts of water, 8 parts of fatty glyceride, 4 parts of stearic acid and 550 parts of alumina in percentage by mass; the resulting abrasive tape had a volume void fraction of 25%.
The winding glue comprises 100 parts of polyurethane resin, 3 parts of calcium stearate, 10 parts of epoxy resin and 8 parts of calcium carbonate according to mass fraction.
Example eight
The volume porosity of the nylon three-dimensional base band is 65%, and the grinding bonding composition comprises 1000 parts of phenolic resin, 80 parts of acrylic epoxy resin, 60 parts of polyurethane resin, 400 parts of water, 8 parts of fatty glyceride, 4 parts of stearic acid and 550 parts of alumina in percentage by mass; the resulting abrasive tape had a volume void fraction of 25%.
The winding glue comprises 100 parts of polyurethane resin, 5 parts of calcium stearate, 18 parts of epoxy resin and 15 parts of calcium carbonate according to mass fraction.
Example nine
The volume porosity of the nylon three-dimensional base band is 65%, and the grinding and bonding composition comprises 1000 parts of phenolic resin, 80 parts of acrylic epoxy resin, 60 parts of polyurethane resin, 400 parts of water, 8 parts of fatty glyceride, 4 parts of stearic acid and 550 parts of alumina in percentage by mass; the resulting abrasive tape had a volume void fraction of 25%.
The winding glue comprises 100 parts of polyurethane resin, 4 parts of calcium stearate, 15 parts of epoxy resin and 11 parts of calcium carbonate according to mass fraction.
The selected materials in the first to ninth embodiments are adopted to manufacture and form the grinding and tightening wheel, the deformation amount of a sample of the manufactured grinding roll is very small in heating detection, and no layering phenomenon exists under the limit grinding pressure.
Through the above description, it can be found that the grinding and tightening wheel manufactured by the manufacturing process of the grinding and tightening wheel has a very stable structure, no layering phenomenon exists in the using process, the deformation amount under pressure is very small, and the grinding uniformity is very remarkable. The permeability and the bonding degree of the winding glue are greatly improved through softening and stretching before the winding coating, and the winding glue has more firm bonding force after thermal curing. The grinding wheel adopts a specific formula combination, meets the requirements of uniformity and bonding strength of grinding particles, and prolongs the service life of the grinding tightening wheel.
The technical solutions of the present invention are fully described above, it should be noted that the specific embodiments of the present invention are not limited by the above description, and all technical solutions formed by equivalent or equivalent changes in structure, method, or function according to the spirit of the present invention by those skilled in the art are within the scope of the present invention.
Claims (6)
1. A manufacturing process of a grinding and tightening wheel is characterized in that:
comprises S1 a grinding material belt preparation step and S2 a grinding material belt winding step,
the step S1 includes:
s11, selecting a nylon three-dimensional base band and grinding and bonding the composition for blending,
the volume porosity of the nylon three-dimensional base band is 65%, and the grinding and bonding composition comprises 1000 parts of phenolic resin, 80 parts of acrylic epoxy resin, 60 parts of polyurethane resin, 400 parts of water, 8 parts of fatty glyceride, 4 parts of stearic acid and 550 parts of alumina in percentage by mass; s12, grinding the abrasive belt to plant sand,
spraying an abrasive bonding composition on the nylon three-dimensional base band and curing to form an abrasive band, wherein the volume void ratio of the abrasive band is 25%;
the step S2 includes:
s21, selecting to wind and glue the roll,
the winding glue comprises 100 parts of polyurethane resin, 3-5 parts of calcium stearate, 10-18 parts of epoxy resin and 8-15 parts of calcium carbonate according to mass fraction;
s22 a roll-coating and winding operation,
carrying out traction and stretching on the grinding material belt, wherein the traction and stretching opening is 120-135%, maintaining the traction and stretching opening, carrying out roll coating of winding and gluing, and carrying out tensioning and rolling after roll coating to form a grinding and tensioning wheel blank;
s23, baking and curing the mixture,
and (3) carrying out tightening protection on the periphery of the grinding and tightening wheel blank through a peripheral wrapping belt, and baking for 6h +/-15 min at the temperature of 100-130 ℃ to obtain the grinding and tightening wheel.
2. The process of manufacturing an abrasive wind-up wheel of claim 1, wherein:
in the step S22, before the abrasive belt is drawn and stretched, thermal softening is performed at a temperature of 55 to 70 ℃.
3. A process for manufacturing an abrasive take-up wheel as in claim 1, wherein:
in the step S11, the particle size of the alumina is 220 to 370 mesh.
4. The process of manufacturing an abrasive wind-up wheel of claim 1, wherein:
in the step S21, the winding glue comprises, by mass, 100 parts of polyurethane resin, 3 parts of calcium stearate, 10 parts of epoxy resin, and 8 parts of calcium carbonate.
5. The process of manufacturing an abrasive wind-up wheel of claim 1, wherein:
in the step S21, the winding glue comprises, by mass, 100 parts of polyurethane resin, 5 parts of calcium stearate, 18 parts of epoxy resin, and 15 parts of calcium carbonate.
6. A process for manufacturing an abrasive take-up wheel as in claim 1, wherein:
in the step S21, the winding glue includes, by mass, 100 parts of polyurethane resin, 4 parts of calcium stearate, 15 parts of epoxy resin, and 11 parts of calcium carbonate.
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| CN113977466A (en) * | 2021-10-29 | 2022-01-28 | 广东伟艺精细研磨科技有限公司 | High-wear-resistance wiredrawing non-woven fabric grinding material and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1694594C3 (en) * | 1960-01-11 | 1975-05-28 | Minnesota Mining And Manufacturing Co., Saint Paul, Minn. (V.St.A.) | Cleaning and polishing media |
| US6056794A (en) * | 1999-03-05 | 2000-05-02 | 3M Innovative Properties Company | Abrasive articles having bonding systems containing abrasive particles |
| JP6454796B2 (en) * | 2015-04-14 | 2019-01-16 | スリーエム イノベイティブ プロパティズ カンパニー | Nonwoven abrasive article and method for producing the same |
| EP3774181A4 (en) * | 2018-03-29 | 2021-12-29 | Saint-gobain Abrasives, Inc | Low-shedding nonwoven abrasive articles |
| CN109822470A (en) * | 2019-02-27 | 2019-05-31 | 昆山佳研磨具科技有限公司 | Automobile finish liner layer polishing scouring pad and its production technology |
| CN109759967A (en) * | 2019-03-11 | 2019-05-17 | 谢泽 | A kind of rubbing down integrated wheel preparation method |
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