CN108481217A - A kind of pyramid type solid grinding tool and preparation method for metallic mobile phone center of polishing - Google Patents
A kind of pyramid type solid grinding tool and preparation method for metallic mobile phone center of polishing Download PDFInfo
- Publication number
- CN108481217A CN108481217A CN201810250719.9A CN201810250719A CN108481217A CN 108481217 A CN108481217 A CN 108481217A CN 201810250719 A CN201810250719 A CN 201810250719A CN 108481217 A CN108481217 A CN 108481217A
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- China
- Prior art keywords
- pyramid
- mobile phone
- diamond
- grinding tool
- base material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- 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
-
- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of pyramid type solid grinding tools for metallic mobile phone center of polishing, including are set to the soft base material of bottom, and pyramid that is several upward and being formed by curing by diamond slurry is provided on soft base material；The diamond slurry is prepared using the component of following parts by weight：30 ~ 60 parts of diamond abrasive, 30 ~ 60 parts of photocuring adhesive, 20 ~ 40 parts of diluent, 0.5 ~ 5 part of photoinitiator, 1 ~ 5 part of auxiliary agent.The present invention uses intaglio printing and photocuring technology, diamond slurry is coated on the mold with pyramidal structure, it is transferred to after photocuring on soft base material, obtain the soft base material diamond abrasive tool with pyramid type stereochemical structure, in polishing operation applied to high duty metal mobile phone center, processing cost can be reduced on the basis of facilitating processing, improving product polishing effect and processing yield.
Description
Technical field
The present invention relates to high duty metal mobile phone center production technical fields, especially a kind of for metallic mobile phone center
The grinding tool used when being polished.
Background technology
The demand for the nonmetallic front and rear cover plate that will be used for the 5G epoch and it is possible that double-sided glass/pottery
Porcelain/comprehensive screen mobile phone, all to mobile phone frame, more stringent requirements are proposed, and the stainless steel center of high intensity is also a trend.Aluminium
Alloy takes on the leading role of mobile phone center material all the time, processing technology also relative maturity, but with 3D glass and ceramics
The emergence of cover board, the requirement to various aspects such as center intensity is higher and higher, and stainless steel, aluminum material, titanium alloy etc. are high-strength
The gradual fire of metal is spent to get up；This metalloid has excellent endurance and intensity, but difficulty of processing is also higher, need through
Good appearance could be embodied after crossing polishing.The average yield of industry stainless steel and titanium alloy only has 30-40% at present, greatly
The big universal and widespread adoption for affecting metallic mobile phone center.
To improve the appearance of metallic mobile phone center, needs to carry out grinding process to the base enclosure of metallic mobile phone center, beat
It needs to carry out using grinding device cooperation abrasive material during mill, however existing grinding consumptive material has that grinding efficiency is low, grinds mostly
The shortcomings that grinding short life, needing to frequently replace.Therefore, a kind of grinding tool that suitable mobile phone center polishing uses will can be good at
Promote the appearance of mobile phone.
Invention content
The technical problem to be solved in the invention there is provided a kind of grinding tool applied to high duty metal mobile phone center,
Facilitate processing, improve product polishing effect and process on the basis of yield, reduces processing cost.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of pyramid type solid grinding tool for metallic mobile phone center of polishing, including it is set to the soft base material of bottom, soft base
Pyramid that is several upward and being formed by curing by diamond slurry is provided on material.
A kind of above-mentioned pyramid type solid grinding tool for metallic mobile phone center of polishing, pyramid rule row on soft base material
Cloth, pyramid are triangular pyramid or rectangular pyramid.
A kind of above-mentioned pyramid type solid grinding tool for metallic mobile phone center of polishing, the ratio on the pyramid bottom edge and height
It is 1:1~8:1, the gap on adjacent pyramid bottom edge and the ratio on pyramid bottom edge are 0.01 ~ 2.
It is above-mentioned a kind of for the pyramid type solid grinding tool of metallic mobile phone center of polishing, the soft base material be Polyester Taffeta, cotton,
Non-woven fabrics, leather or TPU membrane.
A kind of above-mentioned pyramid type solid grinding tool for metallic mobile phone center of polishing, the diamond slurry is using following weight
The component of amount number is prepared：30 ~ 60 parts of diamond abrasive, 30 ~ 60 parts of photocuring adhesive, 20 ~ 40 parts of diluent, light draws
Send out 0.5 ~ 5 part of agent, 1 ~ 5 part of auxiliary agent.
It is above-mentioned a kind of for the pyramid type solid grinding tool of metallic mobile phone center of polishing, the diamond abrasive grain size is 0.1 ~
200 μm, the type of diamond abrasive is at least one in monocrystalline, polycrystalline, class polycrystalline, resin-diamond and diamond aggregate
Kind.
A kind of above-mentioned pyramid type solid grinding tool for metallic mobile phone center of polishing, the photocuring adhesive are polyurethane
Crylic acid resin adhesive, diluent are acrylic compounds or methacrylic diluent, photoinitiator 2,4,6- front threes
Base benzoyl-diphenyl phosphine oxide, 2,4,6- trimethylbenzoyl phenyls phosphinic acid ethyl ester, 2- hydroxy-2-methyl -1- phenyl
Acetone, 1- hydroxycyclohexyl phenyl ketones, 2- hydroxy-2-methyls -1- [4- (2- hydroxyl-oxethyls) phenyl] -1- acetone, benzene first
Acyl methyl formate, 2- phenyl benzyl -2- dimethyl amines -1-（4- morpholine benzyl phenyl）Butanone, 2- methyl-1s-（4- methyl mercapto phenyl）-
At least one of 2- morpholinyl -1- acetone.
Above-mentioned a kind of for the pyramid type solid grinding tool of metallic mobile phone center of polishing, the auxiliary agent includes dispersant, anti-settling
At least one of auxiliary agents such as depressant prescription, stabilizer, surfactant, silane coupling agent, coolant.
A kind of preparation method of pyramid type solid grinding tool for metallic mobile phone center of polishing, specifically includes following steps：
A. diamond abrasive, adhesive, diluent, photoinitiator and auxiliary agent are added in container in proportion, height, which stirs, to be protected from light point
It dissipates, mixing speed is 1200 ~ 2400rpm, and jitter time is 4 ~ 10h, forms diamond slurry；
B. diamond slurry of the dispersion after qualified is coated in the mold with pyramid type structure or on base material；
C. soft base material is bonded with mold, and uses ultraviolet light so that diamond slurry cures and is transferred on base material, shape
At the pyramidal structure abrading block containing diamond abrasive；
D. preliminary abrading block after molding is heating and curing 24 ~ 36 hours at 60 ~ 80 DEG C, obtains the solid of diamond pyramid structure
Grinding tool.
As a result of above technical scheme, the invention technological progress is as follows.
The present invention uses intaglio printing and photocuring technology, and diamond slurry is coated in the mold with pyramidal structure
On, it is transferred to after photocuring on soft base material, obtains the soft base material diamond abrasive tool with pyramid type stereochemical structure；Applied to height
In the polishing operation of intensity metal mobile phone center, processing can facilitated, improve product polishing effect and processing the base of yield
On plinth, processing cost is reduced.
The pyramid of the present invention is the diamond slurry with stereochemical structure after a kind of solidification, and diamond Mohs intensity is 10,
It is a kind of highest super hard abrasive of hardness, there can be higher grinding force to high rigidity metal, improves grinding efficiency.Diamond slurry
Material is designed using special formula so that grinding tool has good self-sharpening, and on upper layer, abrasive material loses abrasive power and gradually falls off
Process, and there is new abrasive material to expose and continue to grind, have to ensureing grinding tool in entire process of lapping persistently constant
Abrasive power obtains uniform grinding effect.
The present invention soft base material have can arbitrary flexural property, may be implemented with metallic mobile phone center perfection fitting, it is good
Good covering property so that mobile phone center obtains comprehensive polishing, has good consistency；Pyramid design on soft base material so that
Abrasive material has good cutting force, grinding efficiency higher；The pyramid of certain altitude successively consumes so that abrading block has longer
Life-cycle, it is possible to reduce the replacement number of consumptive material improves working efficiency；In addition, pyramid gap is good channel of chip removal, mill
Bits are drained with fluid, and abrasive dust accumulation is avoided to cause secondary scuffing, can to polish that good mobile phone center appearance provides
By ensureing.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
A kind of pyramid type solid grinding tool for metallic mobile phone center of polishing, including it is set to the soft base material of bottom, soft base
Pyramid that is several upward and being formed by curing by diamond slurry is provided on material, pyramid is entity structure.
In the present invention, soft base material is one kind in Polyester Taffeta, cotton, non-woven fabrics, leather or TPU membrane；Soft base material in use,
It can be used alone, can also be used cooperatively with sponge, tearing suede, since soft base material has good bending property, use
It can realize that the perfection with center is bonded when polishing metallic mobile phone center, center is enable to obtain comprehensive beat
Mill, to provide guarantee for the appearance of mobile phone center.
Pyramid regular array on soft base material, pyramid are triangular pyramid or rectangular pyramid；The ratio of pyramid bottom edge and height is 1:1
~8:1, the gap on adjacent pyramid bottom edge and the ratio on pyramid bottom edge are 0.01 ~ 2.The setting of pyramid can be such that grinding tool has good
Cutting power, improve grinding effect.The bits powder of generation can be discharged in center bruting process in the gap being arranged between pyramid
It goes out, bits powder is avoided to generate secondary scuffing to center.
Diamond slurry is that the most critical technology of abrasive action is played in the present invention, and the diamond slurry in the present invention is using such as
The component of lower parts by weight is prepared：30 ~ 60 parts of diamond abrasive, 30 ~ 60 parts of photocuring adhesive, 20 ~ 40 parts of diluent,
0.5 ~ 5 part of photoinitiator, 1 ~ 5 part of auxiliary agent.
Wherein, diamond abrasive grain size is 0.1 ~ 200 μm, and the type of diamond abrasive is monocrystalline, polycrystalline, class polycrystalline, tree
At least one of fat diamond and diamond aggregate.Photocuring adhesive is polyurethane acrylic resin class adhesive.It is dilute
It is acrylic compounds or methacrylic diluent to release agent.Photoinitiator aoxidizes for 2,4,6- trimethylbenzoy-diphenies
Phosphine, 2,4,6- trimethylbenzoyl phenyls phosphinic acid ethyl ester, 2- hydroxy-2-methyl -1- phenylacetones, 1- hydroxycyclohexylphenyls
Ketone, 2- hydroxy-2-methyls -1- [4- (2- hydroxyl-oxethyls) phenyl] -1- acetone, methyl benzoylformate, 2- phenyl benzyls -2-
Dimethyl amine -1-（4- morpholine benzyl phenyl）Butanone, 2- methyl-1s-（4- methyl mercapto phenyl）In -2- morpholinyl -1- acetone at least
It is a kind of.Auxiliary agent include in the auxiliary agents such as dispersant, sagging inhibitor, stabilizer, surfactant, silane coupling agent, coolant extremely
Few one kind.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in further detail.
Embodiment 1
A kind of pyramid type solid grinding tool for metallic mobile phone center of polishing, overall structure is as shown in Figure 1, including being set to bottom
The soft base material of layer is provided with several upward pyramids on soft base material, and pyramid is formed after being cured by diamond slurry.Wherein,
Soft base material uses TPU membrane；Pyramid is entity rectangular pyramid, and the ratio of the regular array on soft base material, pyramid bottom edge and height is 1:
1, the gap on adjacent pyramid bottom edge and the ratio on pyramid bottom edge are 0.1 ~ 2.
Diamond slurry is prepared using the component of following parts by weight：55 parts of diamond abrasive, photocuring adhesive
35 parts, 20 parts of diluent, 5 parts of photoinitiator, 5 parts of auxiliary agent.Wherein, diamond abrasive is single-crystal diamond, photocuring adhesive
For polyurethane acrylic resin class adhesive, diluent is acrylic diluents, photoinitiator 2,4,6- trimethylbenzene first
Acyl group-diphenyl phosphine oxide and 2- methyl-1s-（4- methyl mercapto phenyl）The compounding of -2- morpholinyl -1- acetone, auxiliary agent include dispersion
Agent, stabilizer, silane coupling agent and coolant.
The preparation method of the pyramid type solid grinding tool for metallic mobile phone center of polishing described in the present embodiment, specifically includes
Following steps：
A. diamond abrasive, adhesive, diluent, photoinitiator and auxiliary agent are added in container in proportion, height, which stirs, to be protected from light point
It dissipates, mixing speed 2000rpm, jitter time 8h, forms diamond slurry.
B. the diamond slurry by dispersion after qualified by gravure coating in the mold with pyramid type structure.
C. soft base material is attached on mold, and uses ultraviolet light so that diamond slurry cures and is transferred to base
On material, the pyramidal structure abrading block containing diamond abrasive is formed.
D. preliminary abrading block after molding is heating and curing 30 hours at 70 DEG C, obtains the three-dimensional mill of diamond pyramid structure
Tool.
Three-dimensional grinding tool prepared by this city embodiment is not necessarily to frequently more for polishing high duty metal mobile phone center
It changes, on the basis of ensureing to polish effect, substantially increases grinding efficiency.
Embodiment 2 is to embodiment 5
Embodiment 2 is different from the component differed only in diamond slurry and parts by weight of embodiment 1 to embodiment 5,
Concrete component is as shown in the table.
Claims (9)
1. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing, it is characterised in that：Including being set to the soft of bottom
Base material is provided with pyramid that is several upward and being formed by curing by diamond slurry on soft base material.
2. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to claim 1, it is characterised in that：
Pyramid regular array on soft base material, pyramid are triangular pyramid or rectangular pyramid.
3. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to claim 1, it is characterised in that：
The ratio of the pyramid bottom edge and height is 1:1~8:1, the gap on adjacent pyramid bottom edge and the ratio on pyramid bottom edge are 0.01 ~ 2.
4. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to any one of claims 1 to 3,
It is characterized in that：The soft base material is Polyester Taffeta, cotton, non-woven fabrics, leather or TPU membrane.
5. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to claim 4, which is characterized in that
The diamond slurry is prepared using the component of following parts by weight：30 ~ 60 parts of diamond abrasive, photocuring adhesive 30
~ 60 parts, 20 ~ 40 parts of diluent, 0.5 ~ 5 part of photoinitiator, 1 ~ 5 part of auxiliary agent.
6. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to claim 5, which is characterized in that
The diamond abrasive grain size is 0.1 ~ 200 μm, the type of diamond abrasive be monocrystalline, polycrystalline, class polycrystalline, resin-diamond and
At least one of diamond aggregate.
7. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to claim 5, which is characterized in that
The photocuring adhesive is polyurethane acrylic resin class adhesive, and diluent is that acrylic compounds or methacrylic dilute
Agent, photoinitiator 2,4,6- trimethylbenzoy-diphenies phosphine oxide, 2,4,6- trimethylbenzoyl phenyl phosphonic acids second
Ester, 2- hydroxy-2-methyl -1- phenylacetones, 1- hydroxycyclohexyl phenyl ketones, 2- hydroxy-2-methyls -1- [4- (2- hydroxyl second
Oxygroup) phenyl] -1- acetone, methyl benzoylformate, 2- phenyl benzyl -2- dimethyl amines -1-（4- morpholine benzyl phenyl）Butanone, 2-
Methyl-1-（4- methyl mercapto phenyl）At least one of -2- morpholinyl -1- acetone.
8. a kind of pyramid type solid grinding tool for metallic mobile phone center of polishing according to claim 5, which is characterized in that
The auxiliary agent include in the auxiliary agents such as dispersant, sagging inhibitor, stabilizer, surfactant, silane coupling agent, coolant at least
It is a kind of.
9. a kind of preparation method of pyramid type solid grinding tool for metallic mobile phone center of polishing as described in claim 1 to 8,
It is characterized in that, specifically including following steps：
A. diamond abrasive, adhesive, diluent, photoinitiator and auxiliary agent are added in container in proportion, height, which stirs, to be protected from light point
It dissipates, mixing speed is 1200 ~ 2400rpm, and jitter time is 4 ~ 10h, forms diamond slurry；
B. diamond slurry of the dispersion after qualified is coated in the mold with pyramid type structure or on base material；
C. soft base material is bonded with mold, and uses ultraviolet light so that diamond slurry cures and is transferred on base material, shape
At the pyramidal structure abrading block containing diamond abrasive；
D. preliminary abrading block after molding is heating and curing 24 ~ 36 hours at 60 ~ 80 DEG C, obtains the solid of diamond pyramid structure
Grinding tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250719.9A CN108481217A (en) | 2018-03-26 | 2018-03-26 | A kind of pyramid type solid grinding tool and preparation method for metallic mobile phone center of polishing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250719.9A CN108481217A (en) | 2018-03-26 | 2018-03-26 | A kind of pyramid type solid grinding tool and preparation method for metallic mobile phone center of polishing |
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| Publication Number | Publication Date |
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| CN108481217A true CN108481217A (en) | 2018-09-04 |
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| CN201810250719.9A Pending CN108481217A (en) | 2018-03-26 | 2018-03-26 | A kind of pyramid type solid grinding tool and preparation method for metallic mobile phone center of polishing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333390A (en) * | 2018-09-26 | 2019-02-15 | 东莞市鼎泰鑫电子有限公司 | A kind of rubber substrate organic ceramic abrading block and preparation method thereof |
| CN109956703A (en) * | 2019-02-26 | 2019-07-02 | 苏州超徕精工科技有限公司 | A kind of abrasive material formula for infra-red material processing |
| CN110103154A (en) * | 2019-05-23 | 2019-08-09 | 北京利研科技有限公司 | A kind of porous sand cotton and preparation method thereof |
| CN115558411A (en) * | 2022-11-09 | 2023-01-03 | 河北思瑞恩新材料科技有限公司 | Velvet-based V-grid-shaped three-dimensional abrasive and preparation method thereof |
| CN115890507A (en) * | 2022-12-30 | 2023-04-04 | 河北思瑞恩新材料科技有限公司 | Preparation method of grinding consumable suitable for high-rotation-speed and low-pressure grinding |
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| CN101432098A (en) * | 2006-12-08 | 2009-05-13 | 株式会社胜德克实业 | Method for preparing coated abrasive having three-dimensional abrasive structures |
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| CN1064830A (en) * | 1991-02-06 | 1992-09-30 | 明尼苏达州采矿制造公司 | Abrasive band product with ordered structure and manufacture method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333390A (en) * | 2018-09-26 | 2019-02-15 | 东莞市鼎泰鑫电子有限公司 | A kind of rubber substrate organic ceramic abrading block and preparation method thereof |
| CN109956703A (en) * | 2019-02-26 | 2019-07-02 | 苏州超徕精工科技有限公司 | A kind of abrasive material formula for infra-red material processing |
| CN110103154A (en) * | 2019-05-23 | 2019-08-09 | 北京利研科技有限公司 | A kind of porous sand cotton and preparation method thereof |
| CN110103154B (en) * | 2019-05-23 | 2022-01-14 | 北京利研科技有限公司 | Porous sand cotton and preparation method thereof |
| CN115558411A (en) * | 2022-11-09 | 2023-01-03 | 河北思瑞恩新材料科技有限公司 | Velvet-based V-grid-shaped three-dimensional abrasive and preparation method thereof |
| CN115558411B (en) * | 2022-11-09 | 2023-10-20 | 河北思瑞恩新材料科技有限公司 | Velvet-based V-grid-shaped three-dimensional abrasive and preparation method thereof |
| CN115890507A (en) * | 2022-12-30 | 2023-04-04 | 河北思瑞恩新材料科技有限公司 | Preparation method of grinding consumable suitable for high-rotation-speed and low-pressure grinding |
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