CN110202493A - A kind of grinding wheel increasing coupling agent abrasive material - Google Patents
A kind of grinding wheel increasing coupling agent abrasive material Download PDFInfo
- Publication number
- CN110202493A CN110202493A CN201810178111.XA CN201810178111A CN110202493A CN 110202493 A CN110202493 A CN 110202493A CN 201810178111 A CN201810178111 A CN 201810178111A CN 110202493 A CN110202493 A CN 110202493A
- Authority
- CN
- China
- Prior art keywords
- kilograms
- brown alundum
- coupling agent
- powder
- grinding wheel
- Prior art date
- 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
- 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
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/009—Tools not otherwise provided for
-
- 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
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- 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
- B24D3/346—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 utilised during polishing, or grinding operation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
Abstract
The invention discloses a kind of grinding wheels for increasing coupling agent abrasive material, including following raw material: 24 granularity sand of Brown Alundum, 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, liquid phenolic resin, alkali-free glass fiber powder, troilite powder and coupling agent solution, and matched by following weight fraction: 20~25 kilograms of 24 granularity sand of Brown Alundum, 40~60 kilograms of 30 granularity sand of Brown Alundum, 20~30 kilograms of 36 granularity sand of Brown Alundum, 10~14 kilograms of phenol-formaldehyde resin powder, 3~7 kilograms of liquid phenolic resin, 8~12 kilograms of alkali-free glass fiber powder, 6~10 kilograms of troilite powder and 3~7%K52 of coupling agent solution, grinding wheel is formed after drying will be stirred after abrasive material and resin, the addition of coupling agent enhances adhesive strength between reinforcing material and resin, improve composite wood The performance of material, while other media can also be prevented to contacting permeation, improve interface state, is conducive to the ageing-resistant of product, by the bridge of abrasive material and resin-bonded, improves grinding wheel service life 60%~70%.
Description
Technical field
The present invention relates to a kind of grinding wheel, in particular to a kind of grinding wheel for increasing coupling agent abrasive material.
Background technique
Resin grinding wheels are mill, most important a kind of grinding tool in machining, are the addition resinoid bonds, glass in abrasive material
Glass fiber reinforcement net, through porous body made of green compact, drying and firing, in process of production for resin grinding wheels, abrasive material and
The degree that resin combines during stirring not can guarantee that stirring extent is uniform, lead to grinding wheel after shaping, durability
It reduces, the lost of life used.
Summary of the invention
The purpose of the present invention is to provide a kind of grinding wheels for increasing coupling agent abrasive material, improve the excellent of grinding wheel service life
Point, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: it is a kind of increase coupling agent abrasive material grinding wheel, including
Following raw material: 24 granularity sand of Brown Alundum, 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, liquid phenolic resin,
Alkali-free glass fiber powder, troilite powder and coupling agent solution, and matched by following weight fraction: 24 granularity sand 20 of Brown Alundum
~25 kilograms, 40~60 kilograms of 30 granularity sand of Brown Alundum, 20~30 kilograms of 36 granularity sand of Brown Alundum, 10~14 public affairs of phenol-formaldehyde resin powder
Jin, 3~7 kilograms of liquid phenolic resin, 8~12 kilograms of alkali-free glass fiber powder, 6~10 kilograms of troilite powder and coupling agent solution 3
~7%K52.
Preferably, 20 kilograms of 24 granularity sand of Brown Alundum, 40 kilograms of 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum 20 are public
Jin, 10 kilograms of phenol-formaldehyde resin powder, 3 kilograms of liquid phenolic resin, 8 kilograms of alkali-free glass fiber powder, 6 kilograms of troilite powder and coupling
Agent solution 3%K52.
Preferably, 25 kilograms of 24 granularity sand of Brown Alundum, 50 kilograms of 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum 25 are public
Jin, 12 kilograms of phenol-formaldehyde resin powder, 5 kilograms of liquid phenolic resin, 10 kilograms of alkali-free glass fiber powder, 8 kilograms of troilite powder and coupling
Agent solution 5%K52.
Preferably, 30 kilograms of 24 granularity sand of Brown Alundum, 60 kilograms of 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum 30 are public
Jin, 4 kilograms of phenol-formaldehyde resin powder, 7 kilograms of liquid phenolic resin, 7 kilograms of alkali-free glass fiber powder, 12 kilograms of troilite powder and coupling
Agent solution 7%K52.
Preferably, coupling agent solution be attached to 24 granularity sand of Brown Alundum, 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum,
On phenol-formaldehyde resin powder, alkali-free glass fiber powder and troilite powder.
A kind of grinding wheel increasing coupling agent abrasive material, production method include the following steps:
S1: various raw material required for being weighed by formulary requirements, while being ready to spare；
S2: pouring into abrasive material and other a variety of materials in roller by technique requirement, and liquid phenolic resin is added and stirs 15 points
Zhong Hou continuously adds phenol-formaldehyde resin powder and carries out secondary agitation combination；
S3: the grinding wheel blank of shape required for being pressed into molding mass using press machine or mold is opened in grinding wheel blank brill
Hole in be packed into core circle reinforcing ring；
S4: grinding wheel blank is dried and is sintered, and whole process is become by the temperature of the heating of curvilinear motion, constant temperature, cooling
Change and completes；
S5: being processed the outer circle, plane of grinding wheel idiosome, aperture after burning with lathe or grinding machine, while being carried out grout, being seeped
Sulphur invades ceroplastic.
Preferably, mold is installed in S3, abrasive material is inserted in the cavity of mold, pressure limit 15-30N/
Mm2, the time of compacting are 5-50S.
Compared with prior art, the beneficial effects of the present invention are: the grinding wheel of this increase coupling agent abrasive material, by abrasive material and tree
Grinding wheel is formed after being stirred drying after rouge, the addition of coupling agent enhances adhesive strength between reinforcing material and resin, improves
The performance of composite material, while other media can also be prevented to contacting permeation, improve interface state, is conducive to the resistance to of product
The bridge of abrasive material and resin-bonded is improved grinding wheel service life 60%~70% by aging.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of grinding wheel increasing coupling agent abrasive material, including following raw material: 24 granularity sand of Brown Alundum, 30 granularity of Brown Alundum
Sand, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, liquid phenolic resin, alkali-free glass fiber powder, troilite powder and coupling agent solution,
And matched by following weight fraction: 20~25 kilograms of 24 granularity sand of Brown Alundum, 40~60 kilograms of 30 granularity sand of Brown Alundum,
20~30 kilograms of 36 granularity sand of Brown Alundum, 10~14 kilograms of phenol-formaldehyde resin powder, 3~7 kilograms of liquid phenolic resin, alkali-free glass fiber powder
8~12 kilograms, 6~10 kilograms of troilite powder and 3~7%K52 of coupling agent solution, coupling agent solution are attached to Brown Alundum 24
It spends on sand, 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, alkali-free glass fiber powder and troilite powder
Embodiment one:
It is a kind of increase coupling agent abrasive material grinding wheel, 20 kilograms of 24 granularity sand of Brown Alundum, 40 kilograms of 30 granularity sand of Brown Alundum,
20 kilograms of 36 granularity sand of Brown Alundum, 10 kilograms of phenol-formaldehyde resin powder, 3 kilograms of liquid phenolic resin, 8 kilograms of alkali-free glass fiber powder, sulphur iron
6 kilograms of miberal powder end and coupling agent solution 3%K52.
A kind of grinding wheel increasing coupling agent abrasive material, production method include the following steps:
Step 1: various raw material required for being weighed by formulary requirements, while being ready to spare；
Step 2: abrasive material and other a variety of materials are poured into roller by technique requirement, liquid phenolic resin stirring is added
After 15 minutes, continuously adds phenol-formaldehyde resin powder and carry out secondary agitation combination；
Step 3: the grinding wheel blank of shape required for being pressed into molding mass using press machine or mold, is incited somebody to action in S3
Mold installs, and abrasive material is inserted in the cavity of mold, pressure limit 15-30N/mm2, and the time of compacting is 5-50S, in grinding wheel
Blank, which bores, is packed into core circle reinforcing ring in the hole opened；
Step 4: grinding wheel blank is dried and is sintered, whole process by the heating of curvilinear motion, constant temperature, cooling temperature
Degree variation is completed；
Step 5: the outer circle, plane of grinding wheel idiosome, aperture after burning are processed, while being filled with lathe or grinding machine
Ceroplastic, is invaded at sulfurizing in hole.
Embodiment two:
It is a kind of increase coupling agent abrasive material grinding wheel, 25 kilograms of 24 granularity sand of Brown Alundum, 50 kilograms of 30 granularity sand of Brown Alundum,
25 kilograms of 36 granularity sand of Brown Alundum, 12 kilograms of phenol-formaldehyde resin powder, 5 kilograms of liquid phenolic resin, 10 kilograms of alkali-free glass fiber powder, sulphur
8 kilograms of iron ore powder and coupling agent solution 5%K52, coupling agent solution are attached to 24 granularity sand of Brown Alundum, 30 granularity of Brown Alundum
On sand, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, alkali-free glass fiber powder and troilite powder.
A kind of grinding wheel increasing coupling agent abrasive material, production method include the following steps:
Step 1: various raw material required for being weighed by formulary requirements, while being ready to spare；
Step 2: abrasive material and other a variety of materials are poured into roller by technique requirement, liquid phenolic resin stirring is added
After 15 minutes, continuously adds phenol-formaldehyde resin powder and carry out secondary agitation combination；
Step 3: the grinding wheel blank of shape required for being pressed into molding mass using press machine or mold, is incited somebody to action in S3
Mold installs, and abrasive material is inserted in the cavity of mold, pressure limit 15-30N/mm2, and the time of compacting is 5-50S, in grinding wheel
Blank, which bores, is packed into core circle reinforcing ring in the hole opened；
Step 4: grinding wheel blank is dried and is sintered, whole process by the heating of curvilinear motion, constant temperature, cooling temperature
Degree variation is completed；
Step 5: the outer circle, plane of grinding wheel idiosome, aperture after burning are processed, while being filled with lathe or grinding machine
Ceroplastic, is invaded at sulfurizing in hole.
Embodiment three:
It is a kind of increase coupling agent abrasive material grinding wheel, 30 kilograms of 24 granularity sand of Brown Alundum, 60 kilograms of 30 granularity sand of Brown Alundum,
30 kilograms of 36 granularity sand of Brown Alundum, 4 kilograms of phenol-formaldehyde resin powder, 7 kilograms of liquid phenolic resin, 7 kilograms of alkali-free glass fiber powder, sulphur iron
12 kilograms of miberal powder end and coupling agent solution 7%K52.
Coupling agent solution is attached to 24 granularity sand of Brown Alundum, 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum, phenolic resin
On powder, alkali-free glass fiber powder and troilite powder.
A kind of grinding wheel increasing coupling agent abrasive material, production method include the following steps:
Step 1: various raw material required for being weighed by formulary requirements, while being ready to spare；
Step 2: abrasive material and other a variety of materials are poured into roller by technique requirement, liquid phenolic resin stirring is added
After 15 minutes, continuously adds phenol-formaldehyde resin powder and carry out secondary agitation combination；
Step 3: the grinding wheel blank of shape required for being pressed into molding mass using press machine or mold, is incited somebody to action in S3
Mold installs, and abrasive material is inserted in the cavity of mold, pressure limit 15-30N/mm2, and the time of compacting is 5-50S, in grinding wheel
Blank, which bores, is packed into core circle reinforcing ring in the hole opened；
Step 4: grinding wheel blank is dried and is sintered, whole process by the heating of curvilinear motion, constant temperature, cooling temperature
Degree variation is completed；
Step 5: the outer circle, plane of grinding wheel idiosome, aperture after burning are processed, while being filled with lathe or grinding machine
Ceroplastic, is invaded at sulfurizing in hole.
Coupling agent solution is a kind of substance with two heterogeneity functional groups, and the maximum feature of molecular structure is molecule
In two groups different containing chemical property, one be close inorganic matter group, easily with mineral surfaces chemically reactive；Separately
One is organophilic group, chemical reaction can occur or generate hydrogen bond with synthetic resin or other polymer to be dissolved in wherein,
Therefore coupling agent is referred to as " molecular bridge ", to improve the interface interaction between inorganic matter and organic matter, to greatly improve multiple
The performance of condensation material, such as physical property, electrical property, hot property, optical property, the effect of coupling agent in the composite are it
It can react with certain groups on reinforcing material surface and be reacted with matrix resin, between reinforcing material and resin matrix
A boundary layer is formed, boundary layer can transmit stress, to enhance adhesive strength between reinforcing material and resin, improve multiple
The performance of condensation material, while other media can also be prevented to contacting permeation, improve interface state, is conducive to the resistance to old of product
Change, by the bridge of abrasive material and resin-bonded, improves grinding wheel service life 60%~70%.
In conclusion the grinding wheel proposed by the present invention for increasing coupling agent abrasive material, dry by being stirred after abrasive material and resin
Grinding wheel is formed after dry, the addition of coupling agent enhances adhesive strength between reinforcing material and resin, improves the property of composite material
Can, while other media can also be prevented to contacting permeation, improve interface state, be conducive to the ageing-resistant of product, by abrasive material and
The bridge of resin-bonded improves grinding wheel service life 60%~70%.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of grinding wheel for increasing coupling agent abrasive material, which is characterized in that including following raw material: 24 granularity sand of Brown Alundum, palm fibre are just
Beautiful 30 granularity sands, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, liquid phenolic resin, alkali-free glass fiber powder, troilite powder and coupling
Agent solution, and matched by following weight fraction: 20~25 kilograms of 24 granularity sand of Brown Alundum, 30 granularity sand 40~60 of Brown Alundum
Kilogram, 20~30 kilograms of 36 granularity sand of Brown Alundum, 10~14 kilograms of phenol-formaldehyde resin powder, 3~7 kilograms of liquid phenolic resin, alkali-free glass
8~12 kilograms of fine powder, 6~10 kilograms of troilite powder and 3~7%K52 of coupling agent solution.
2. a kind of grinding wheel for increasing coupling agent abrasive material according to claim 1, it is characterised in that: including Brown Alundum 24
Spend 20 kilograms of sand, 40 kilograms of 30 granularity sand of Brown Alundum, 20 kilograms of 36 granularity sand of Brown Alundum, 10 kilograms of phenol-formaldehyde resin powder, phenolic aldehyde tree
3 kilograms of rouge liquid, 8 kilograms of alkali-free glass fiber powder, 6 kilograms of troilite powder and coupling agent solution 3%K52.
3. a kind of grinding wheel for increasing coupling agent abrasive material according to claim 1, it is characterised in that: including Brown Alundum 24
Spend 25 kilograms of sand, 50 kilograms of 30 granularity sand of Brown Alundum, 25 kilograms of 36 granularity sand of Brown Alundum, 12 kilograms of phenol-formaldehyde resin powder, phenolic aldehyde tree
5 kilograms of rouge liquid, 10 kilograms of alkali-free glass fiber powder, 8 kilograms of troilite powder and coupling agent solution 5%K52.
4. a kind of grinding wheel for increasing coupling agent abrasive material according to claim 1, it is characterised in that: including Brown Alundum 24
Spend 30 kilograms of sand, 60 kilograms of 30 granularity sand of Brown Alundum, 30 kilograms of 36 granularity sand of Brown Alundum, 4 kilograms of phenol-formaldehyde resin powder, phenolic resin
7 kilograms of liquid, 7 kilograms of alkali-free glass fiber powder, 12 kilograms of troilite powder and coupling agent solution 7%K52.
5. a kind of grinding wheel for increasing coupling agent abrasive material according to claim 1, it is characterised in that: coupling agent solution attachment
In 24 granularity sand of Brown Alundum, 30 granularity sand of Brown Alundum, 36 granularity sand of Brown Alundum, phenol-formaldehyde resin powder, alkali-free glass fiber powder and sulphur iron
On miberal powder end.
6. a kind of grinding wheel as described in claim 1 for increasing coupling agent abrasive material, which is characterized in that production method includes as follows
Step:
S1: various raw material required for being weighed by formulary requirements, while being ready to spare；
S2: pouring into abrasive material and other a variety of materials in roller by technique requirement, after liquid phenolic resin stirring being added 15 minutes,
It continuously adds phenol-formaldehyde resin powder and carries out secondary agitation combination；
S3: the grinding wheel blank of shape required for being pressed into molding mass using press machine or mold bores the hole opened in grinding wheel blank
Interior loading core circle reinforcing ring；
S4: grinding wheel blank is dried and is sintered, and whole process is complete by the temperature change of the heating of curvilinear motion, constant temperature, cooling
At；
S5: being processed the outer circle, plane of grinding wheel idiosome, aperture after burning with lathe or grinding machine, at the same carry out grout, sulfurizing,
Invade ceroplastic.
7. a kind of grinding wheel for increasing coupling agent abrasive material according to claim 6, which is characterized in that be directed to mold in S3
It installs, abrasive material is inserted in the cavity of mold, pressure limit 15-30N/mm2, and the time of compacting is 5-50S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178111.XA CN110202493A (en) | 2018-02-28 | 2018-02-28 | A kind of grinding wheel increasing coupling agent abrasive material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178111.XA CN110202493A (en) | 2018-02-28 | 2018-02-28 | A kind of grinding wheel increasing coupling agent abrasive material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110202493A true CN110202493A (en) | 2019-09-06 |
Family
ID=67779009
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|---|---|---|---|
| CN201810178111.XA Pending CN110202493A (en) | 2018-02-28 | 2018-02-28 | A kind of grinding wheel increasing coupling agent abrasive material |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172901A (en) * | 2011-01-26 | 2011-09-07 | 华南理工大学 | Grinding tool for non-woven fabric polishing and preparation method thereof |
| EP2370231B1 (en) * | 2008-12-12 | 2014-03-12 | 3M Innovative Properties Company | Bonded abrasive article |
| CN103962978A (en) * | 2014-05-05 | 2014-08-06 | 田继华 | Grinding wheel manufacturing method |
| CN104385154A (en) * | 2014-09-12 | 2015-03-04 | 陕西德赛新材料科技有限公司 | Preparation method of low-temperature ceramic bond for grinding tool |
| CN107053034A (en) * | 2017-05-22 | 2017-08-18 | 和县科嘉阀门铸造有限公司 | A kind of dispensing of valve production polishing emery wheel and preparation method thereof |
| CN107350979A (en) * | 2017-08-08 | 2017-11-17 | 郑州磨料磨具磨削研究所有限公司 | A kind of cylindrical, synchronous grinding wheel for grinding in end face and preparation method thereof |
-
2018
- 2018-02-28 CN CN201810178111.XA patent/CN110202493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2370231B1 (en) * | 2008-12-12 | 2014-03-12 | 3M Innovative Properties Company | Bonded abrasive article |
| CN102172901A (en) * | 2011-01-26 | 2011-09-07 | 华南理工大学 | Grinding tool for non-woven fabric polishing and preparation method thereof |
| CN103962978A (en) * | 2014-05-05 | 2014-08-06 | 田继华 | Grinding wheel manufacturing method |
| CN104385154A (en) * | 2014-09-12 | 2015-03-04 | 陕西德赛新材料科技有限公司 | Preparation method of low-temperature ceramic bond for grinding tool |
| CN107053034A (en) * | 2017-05-22 | 2017-08-18 | 和县科嘉阀门铸造有限公司 | A kind of dispensing of valve production polishing emery wheel and preparation method thereof |
| CN107350979A (en) * | 2017-08-08 | 2017-11-17 | 郑州磨料磨具磨削研究所有限公司 | A kind of cylindrical, synchronous grinding wheel for grinding in end face and preparation method thereof |
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