CN112372521A - Grinding wheel with coating and preparation method thereof - Google Patents
Grinding wheel with coating and preparation method thereof Download PDFInfo
- Publication number
- CN112372521A CN112372521A CN202011252357.0A CN202011252357A CN112372521A CN 112372521 A CN112372521 A CN 112372521A CN 202011252357 A CN202011252357 A CN 202011252357A CN 112372521 A CN112372521 A CN 112372521A
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- CN
- China
- Prior art keywords
- grinding wheel
- grinding
- base body
- diamond particles
- coated
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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.)
- Pending
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Classifications
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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
- B24D3/04—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 inorganic
- B24D3/06—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
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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
- B24D18/009—Tools not otherwise provided for
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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
- B24D3/34—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
- B24D3/342—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 incorporated in the bonding agent
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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
- B24D3/34—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to the technical field of grinding wheels, in particular to a grinding wheel with a coating and a preparation method thereof. The invention improves the strength and rigidity of the grinding wheel, ensures good easy-to-grind performance, prevents the grinding wheel from being burnt or scratched caused by the contact of a base body and a workpiece when the grinding wheel is used for quick grinding, greatly prolongs the service life, and meets the requirement of side grinding.
Description
Technical Field
The invention relates to the technical field of grinding wheels, in particular to a grinding wheel with a coating and a preparation method thereof.
Background
The grinding wheel is the one with the largest usage amount and the widest use range in the die, rotates at high speed when in use, and can perform rough grinding, semi-finish grinding, slotting, cutting and the like on various molded surfaces of metal or nonmetal workpieces.
The bonding agent is a common bonding material in the superhard grinding tool and comprises a ceramic bonding agent, a metal bonding agent, a magnesia bonding agent, a resin bonding agent and the like. The bonding agent is one of the important structural components of the superhard grinding tool, and the performance of the bonding agent has a decisive influence on the performance of the grinding tool. The metal bond has the characteristics of high bonding capacity, good fluidity, good forming effect, good heat conducting property and the like, is widely applied to brittle materials and high-precision machining processes, and is coated on the surface of a grinding wheel to improve the wear resistance of the grinding wheel in order to prolong the service life of the grinding wheel.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a coated grinding wheel which has a coated layer formed by applying a grinding head including a metal bond layer and diamond particles uniformly fixed in the metal bond layer on the outer periphery of a grinding wheel base body and coating the diamond particles on the side surface of the grinding wheel base body, satisfies the side surface grinding requirements by comprehensively utilizing the durability of the grinding head and the diamond particles coated on the side surface of the grinding wheel base body, and has high efficiency, long life, and safety.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the grinding wheel with the coating comprises a grinding wheel base body, wherein a grinding head is laid on the outer edge of the grinding wheel base body, the grinding head comprises a metal bonding agent layer and diamond particles uniformly fixed in the metal bonding agent layer, the metal bonding agent layer wraps the outer circle of the grinding wheel base body, and the diamond particles are coated on the side face of the grinding wheel base body.
The diamond particles are coated on the side surface of the grinding wheel matrix through electroplating or brazing.
And a shaft hole for installation is formed in the middle of the grinding wheel base body.
The thickness of the wear-resistant layer is 8 mm-10 mm.
The grinding wheel base body is made of cast iron and is disc-shaped.
A method of manufacturing a coated grinding wheel according to any one of claims 1 to 5, comprising: the method comprises the following steps:
1) uniformly mixing the diamond particles and the metal bonding agent;
2) sintering the mixture of the diamond particles and the metal bonding agent at high temperature, and uniformly fixing the diamond particles in the metal bonding agent by high-temperature hot melting to form a grinding head;
3) wrapping the grinding head on the excircle of the grinding wheel matrix;
4) machining and polishing the grinding wheel with the coating according to the design size requirement;
5) and then coating diamond particles at the required positions on two side surfaces of the grinding wheel matrix.
And 3) wrapping the grinding head on the outer circle of the grinding wheel base body in a welding mode.
In the step 5), diamond particles are coated on the required positions of the two sides of the grinding wheel base body by an electroplating or brazing method.
The gain effect of the invention is:
when the grinding wheel is used, diamond particles are uniformly added into metal bond powder, the diamond particles are fixed in the metal bond through high-temperature hot melting to form a grinding head, then the grinding head is welded on a grinding wheel base body, then mechanical grinding processing and grinding processing are carried out according to the design size requirement, the diamond particles are coated on two sides of the required grinding wheel base body through methods of electroplating, brazing and the like, the strength and the rigidity of the grinding wheel are improved, good easy grinding performance is ensured, burning or scratching caused by contact between the base body and a workpiece when the grinding wheel is quickly ground is prevented, the service life is greatly prolonged, and the requirement of side grinding is met.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Referring to fig. 1, the numbering: 1 is a grinding wheel base body, 2 is a grinding head and 3 is diamond particles.
The invention relates to a grinding wheel with a coating, which comprises a grinding wheel base body 1, wherein a grinding head 2 is laid on the outer edge of the grinding wheel base body 1, the grinding head 2 comprises a metal bonding agent layer and diamond particles uniformly fixed in the metal bonding agent layer, the metal bonding agent layer wraps the outer circle of the grinding wheel base body, the side surface of the grinding wheel base body 1 is coated with the diamond particles 3, the diamond particles 3 are coated on the side surface of the grinding wheel base body 1 through electroplating or brazing, a shaft hole for installation is formed in the middle of the grinding wheel base body 1, the thickness of a wear-resistant layer is 8 mm-10 mm, the grinding head cannot be made too thick due to limitation of the self strength, the thickness is generally 8 mm-10 mm, the grinding wheel base body is made of cast iron, and the grinding wheel base body is disc-.
A method for preparing a grinding wheel with a coating comprises the following steps: the method comprises the following steps:
1) uniformly mixing the diamond particles and the metal bonding agent;
2) sintering the mixture of the diamond particles and the metal bonding agent at high temperature, and uniformly fixing the diamond particles in the metal bonding agent by high-temperature hot melting to form a grinding head 2;
3) fixing a grinding head on the excircle of the grinding wheel base body 1 in a welding mode;
4) machining and polishing the grinding wheel with the coating according to the design size requirement;
5) the diamond particles 3 are coated on the two sides of the grinding wheel base body 1 at the required positions by a plating or brazing method.
When the grinding wheel is used, diamond particles are uniformly added into metal bond powder, the diamond particles are fixed in the metal bond through high-temperature hot melting to form a grinding head, then the grinding head 2 is welded on a grinding wheel base body 1, then mechanical grinding processing and grinding processing are carried out according to the design size requirement, the diamond particles are coated on two sides of the required grinding wheel base body through methods of electroplating, brazing and the like, the strength and the rigidity of the grinding wheel are improved, good easy grinding performance is ensured, burning or scratching caused by contact between the base body and a workpiece when the grinding wheel is quickly ground is prevented, the service life is greatly prolonged, and the requirement of side grinding is met.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A coated abrasive wheel comprising a wheel base, wherein: the grinding head is laid on the outer edge of the grinding wheel base body and comprises a metal bonding agent layer and diamond particles uniformly fixed in the metal bonding agent layer, the metal bonding agent layer wraps the outer circle of the grinding wheel base body, and the diamond particles are coated on the side face of the grinding wheel base body.
2. A coated abrasive wheel according to claim 1, wherein: the diamond particles are coated on the side surface of the grinding wheel matrix through electroplating or brazing.
3. A coated abrasive wheel according to claim 1, wherein: and a shaft hole for installation is formed in the middle of the grinding wheel base body.
4. A coated abrasive wheel according to claim 1, wherein: the thickness of the wear-resistant layer is 8 mm-10 mm.
5. A coated abrasive wheel according to claim 1, wherein: the grinding wheel base body is made of cast iron and is disc-shaped.
6. A method of manufacturing a coated grinding wheel according to any one of claims 1 to 5, comprising: the method is characterized in that: the method comprises the following steps:
uniformly mixing the diamond particles and the metal bonding agent;
sintering the mixture of the diamond particles and the metal bonding agent at high temperature, and uniformly fixing the diamond particles in the metal bonding agent by high-temperature hot melting to form a grinding head;
wrapping the grinding head on the excircle of the grinding wheel matrix;
machining and polishing the grinding wheel with the coating according to the design size requirement;
and then coating diamond particles at the required positions on two side surfaces of the grinding wheel matrix.
7. The method of manufacturing a coated grinding wheel according to claim 6, wherein: and 3) wrapping the grinding head on the outer circle of the grinding wheel base body in a welding mode.
8. The method of manufacturing a coated grinding wheel according to claim 6, wherein: in the step 5), diamond particles are coated on the required positions of the two sides of the grinding wheel base body by an electroplating or brazing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252357.0A CN112372521A (en) | 2020-11-11 | 2020-11-11 | Grinding wheel with coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252357.0A CN112372521A (en) | 2020-11-11 | 2020-11-11 | Grinding wheel with coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372521A true CN112372521A (en) | 2021-02-19 |
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ID=74582078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011252357.0A Pending CN112372521A (en) | 2020-11-11 | 2020-11-11 | Grinding wheel with coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112372521A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247890A (en) * | 2021-12-28 | 2022-03-29 | 赵玉石 | Brazing diamond and preparation method thereof |
| CN114536231A (en) * | 2022-02-24 | 2022-05-27 | 丹阳市励高研磨材料有限公司 | Novel polishing wheel and processing method thereof |
-
2020
- 2020-11-11 CN CN202011252357.0A patent/CN112372521A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247890A (en) * | 2021-12-28 | 2022-03-29 | 赵玉石 | Brazing diamond and preparation method thereof |
| CN114536231A (en) * | 2022-02-24 | 2022-05-27 | 丹阳市励高研磨材料有限公司 | Novel polishing wheel and processing method thereof |
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