CN111136591A - Grinding wheel for ceramic tile processing - Google Patents
Grinding wheel for ceramic tile processing Download PDFInfo
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- CN111136591A CN111136591A CN201811315862.8A CN201811315862A CN111136591A CN 111136591 A CN111136591 A CN 111136591A CN 201811315862 A CN201811315862 A CN 201811315862A CN 111136591 A CN111136591 A CN 111136591A
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- 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
- B24D7/06—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 with inserted abrasive blocks, e.g. segmental
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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
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
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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
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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
- 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
- B24D7/06—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 with inserted abrasive blocks, e.g. segmental
- B24D7/066—Grinding blocks; their mountings or supports
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- 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
- B24D7/10—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 with cooling provisions
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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 a grinding wheel for processing ceramic tiles, and belongs to the technical field of diamond grinding tools. The grinding wheel for processing the ceramic tile comprises a bowl-shaped steel base body, wherein the bowl-shaped steel base body comprises an annular processing surface positioned on the upper edge; a plurality of L-shaped diamond grinding blocks are arranged on the annular processing surface, and the L-shaped diamond grinding blocks are formed by mixing, cold pressing and sintering diamond particles and a brazing filler metal binding agent; the brazing filler metal binding agent consists of 25-35 wt% of electrolytic copper powder, 3-6 wt% of atomized tin powder, 10-15 wt% of CST alloy powder, 2.5-5.0 wt% of hollow microspheres and the balance of electrolytic iron powder. The grinding wheel for processing the ceramic tile has the advantages of radial and axial holding force, good compliance, wear resistance matched with the ceramic tile when being applied to grinding the ceramic tile, high diamond particle edge height and high grinding efficiency.
Description
Technical Field
The invention relates to the technical field of diamond grinding tools, in particular to a grinding wheel for processing ceramic tiles.
Background
The diamond grinding wheel is a wheel-shaped or bowl-shaped diamond grinding tool formed by welding or cold pressing diamond tool bits which take diamond particles as grinding materials on a steel matrix. The diamond tool bit is formed by sintering artificial diamond and other metal powder through cold pressing and hot pressing and then is welded on a bowl-shaped or wheel-shaped steel substrate. Diamond-impregnated wheels are typically mounted on grinders, angle grinders or numerically controlled machines for grinding concrete, granite, marble, ceramic tile, and the like.
In the prior art, grinding wheels for concrete, marble and other stone materials are generally provided with an annular diamond working surface on the plane of a wheel-or bowl-shaped substrate. The grinding tool adopts an annular grinding wheel form, when the grinding tool is used and the grinding particles are dull, the grinding particles partially or completely fall off from the grinding tool due to the fragmentation of the self parts of the grinding particles or the fracture of the bonding agent, and new cutting edges or new sharp grinding particles are continuously exposed on the grinding material on the working surface of the grinding tool, so that the grinding tool can keep the cutting performance for a certain time. In order to improve chip removal, grinding wheels with a grooved discontinuous annular running surface have also been found in the prior art, on the basis of an annular running surface. The applicant of the present invention has developed a grinding wheel having a plurality of L-shaped diamond segments, which further improves grinding performance for marble, granite, etc., but which causes a reduction in grinding efficiency for stone, ceramic tile, etc., which are very abrasive, and attempts to "weaken" the carcass, which causes a reduction in the diamond particle packing capability of the carcass, easily causes a large drop of diamond particles, and has a low cutting height.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a grinding wheel for processing ceramic tiles.
The grinding wheel for processing the ceramic tile comprises a bowl-shaped steel base body, wherein the bowl-shaped steel base body comprises an annular processing surface positioned on the upper edge; the method is characterized in that: the annular processing surface is provided with a plurality of L-shaped diamond grinding blocks, and the L-shaped diamond grinding blocks are formed by mixing, cold pressing and sintering diamond particles and a brazing filler metal binding agent; and the brazing filler metal binder contains hollow micro-beads.
The brazing filler metal binding agent consists of 25-35 wt% of electrolytic copper powder, 3-6 wt% of atomized tin powder, 10-15 wt% of CST alloy powder, 2.5-5.0 wt% of hollow microspheres and the balance of electrolytic iron powder.
Wherein the average particle size of the electrolytic copper powder, the atomized tin powder and the electrolytic iron powder is 13-75 μm.
Wherein the density of the hollow microspheres is 1.2-2.8 g/cm3The particle size is 150 to 300 μm.
Wherein the sintering is carried out at 880-910 ℃ under a protective atmosphere.
Wherein the particle size of the diamond particles is 180-500 μm.
Wherein the abrasion resistance of the L-shaped diamond grinding block is 0.3 multiplied by 10-5~0.8×10-5。
The L-shaped diamond grinding block is composed of a first grinding block section and a second grinding block section, wherein the first grinding block section extends along the outer circumference of the annular processing surface, the second grinding block section extends from the outer circumference of the annular processing surface to the inner circumference of the annular processing surface, and the first grinding block section and the second grinding block section have the same width.
The annular processing surface is provided with a plurality of heart-shaped through holes, the heart-shaped through holes correspond to the L-shaped diamond grinding blocks one to one, and the heart-shaped through holes are located between one side of the inner circumference of the annular processing surface and the L-shaped diamond grinding blocks.
Wherein the heart-shaped through hole is formed by a first outer side edge of a first grinding block section close to the L-shaped diamond grinding block, a second outer side edge of a second grinding block section close to the L-shaped diamond grinding block and a third outer side edge connecting the first outer side edge and the second outer side edge.
Compared with the prior art, the grinding wheel for processing the ceramic tile has the following beneficial effects compared with the existing annular grinding wheel:
the grinding wheel for processing the ceramic tile has the advantages of radial and axial holding force, good compliance, wear resistance matched with the ceramic tile when being applied to grinding the ceramic tile, high diamond particle edge height and high grinding efficiency.
Drawings
Fig. 1 is a plan view of the grinding wheel for processing ceramic tiles of the present invention.
Fig. 2 is a sectional view of fig. 1 along direction a.
FIG. 3 is a schematic view of the angle between the two segments of the L-shaped diamond segment.
Fig. 4 is a perspective view of the grinding wheel for processing ceramic tiles of the present invention.
Detailed Description
The grinding wheel for processing ceramic tiles of the present invention will be further described with reference to specific examples to help those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solution of the present invention.
As shown in fig. 1-2, the grinding wheel for processing ceramic tiles comprises a bowl-shaped steel base 10, wherein the bowl-shaped steel base 10 is composed of a circular bottom surface 11, an annular processing surface 12 and a circular truncated cone-shaped side surface 13 located between the circular bottom surface 11 and the annular processing surface 12, a central shaft hole 15 is formed in the circular bottom surface 11, and the central shaft hole 15 is used for assembling a power output shaft of an angle grinder. The truncated cone-shaped side surface 13 has a gradually increasing cross section from the circular bottom surface 11 to the annular processing surface 12, and a plurality of heat dissipation holes 14 are formed in the truncated cone-shaped side surface 13, and the plurality of heat dissipation holes 14 are symmetrically distributed along the axial direction of the central shaft hole 15. The steel substrate 10 is generally formed by casting and machining low-carbon steel, low-alloy steel, or the like. In the invention, a plurality of L-shaped diamond grinding blocks 20 can be formed on the annular processing surface 12 through cold pressing and sintering processes, the number of the L-shaped diamond grinding blocks 20 is generally 6-8, and the number of the L-shaped diamond grinding blocks is 7 in the following embodiments and comparative examples. The L-shaped diamond grinding block 20 is prepared by firstly batching diamond particles and a brazing filler metal binding agent to form a molding material, then placing a steel substrate in a tooling die and putting the molding material in the tooling die, obtaining a blank through cold pressing, and finally sintering in a graphite die in a protective atmosphere. In the invention, the L-shaped diamond grinding block 20 is composed of a first grinding block section 21 extending along the outer circumference of the annular processing surface and a second grinding block section 22 extending from the outer circumference of the annular processing surface to the inner circumference of the annular processing surface, the first grinding block section 21 and the second grinding block section 22 are of an integrated structure, and the first grinding block section 21 and the second grinding block section 22 have substantially the same width. As shown in fig. 3, the included angle between the tangent directions of the adjacent portions of the first abrasive block segment and the second abrasive block segment is defined as the included angle therebetween, and the included angle therebetween is designed to be 120 ° to 150 °. The included angle is designed to be within the range, so that the compliance of the grinding wheel can ensure that the diamond grinding block can obtain durable self-sharpening performance when the grinding wheel is used for grinding. The annular processing surface 12 is further provided with a plurality of heart-shaped through holes 30, the heart-shaped through holes 30 correspond to the L-shaped diamond grinding blocks one to one, and the heart-shaped through holes 30 are located between one side of the inner circumference of the annular processing surface 12 and the L-shaped diamond grinding blocks 20. The heart-shaped through hole 30 is formed by a first outer side edge 31 adjacent to the first block section 21 of the L-shaped diamond block 20, a second outer side edge 32 adjacent to the second block section 22 of the L-shaped diamond block 20, and a third outer side edge 33 connecting the first outer side edge 31 and the second outer side edge 32. The L-shaped diamond grinding blocks 20 and the heart-shaped through holes 30 are uniformly arranged on the annular processing surface 12. According to the invention, the chip removal and heat dissipation problems under the working condition of high-speed grinding can be ensured by arranging the heart-shaped through holes which correspond to the L-shaped diamond grinding blocks one by one and are adjacent to the L-shaped diamond grinding blocks, and the method is very suitable for a dry grinding process. Fig. 4 is a perspective view of the grinding wheel of the present invention.
In the invention, the L-shaped diamond grinding block is formed by mixing, cold pressing and sintering diamond particles and a brazing filler metal binding agent; the brazing filler metal binding agent consists of 25-35 wt% of electrolytic copper powder, 3-6 wt% of atomized tin powder, 10-15 wt% of CST alloy powder, 2.5-5.0 wt% of hollow microspheres and the balance of electrolytic iron powder. The average particle size of the electrolytic copper powder, the atomized tin powder and the electrolytic iron powder is 13-75 mu m. Wherein the density of the hollow microspheres is 1.2-2.8 g/cm3The particle size is 150 to 300 μm (density of hollow micro beads is 2.3g/cm in the following examples)3The particle size is 60 meshes). And sintering at 880-910 ℃ in a protective atmosphere. The particle size of the diamond particles is 180-500 mu m. The grinding block prepared by sintering the brazing filler metal bonding agent has moderate wear resistance of 0.3 multiplied by 10-5~0.8×10-5. The abrasion resistance is calculated by the following formula:
in the above formula: m is the abrasion coefficient; w is the mass difference, g, of the sample before and after the experiment; d is the diameter of the sample, mm, s is the sampleMm, friction stroke of; rho is the density of the sample, g/cm3. The abrasiveness was measured on an abrasion tester by sintering a cylindrical sample having a diameter of 6mm and a height of 8mm with the brazing filler metal binder of the present invention.
Example 1
1) Preparing materials: the brazing filler metal binder consists of 35 percent of electrolytic copper powder, 3 percent of atomized tin powder, 10 percent of CST alloy powder, 2.5 percent of hollow micro-beads and the balance of electrolytic iron powder in percentage by weight. The concentration of the diamond particles is 0.8ct/cm3And the diamond granularity is 40/45 meshes, the diamond particles are mixed into a molding material, and a three-dimensional mixer is adopted to mix the materials for 120 minutes.
2) Cold pressing: and (3) adjusting a tooling die, firstly putting a clean 65Mn steel substrate, putting a forming material and uniformly scraping the powder, and then putting the material into a cold press forming steel die for pressure forming to obtain a cold-pressed L-shaped grinding wheel blank.
3) And (3) sintering: assembling the cold-pressed blank of the L-shaped grinding wheel in a graphite die, and sintering in a vacuum atmosphere at 880 ℃.
4) Post-processing: and (3) sand blasting, dynamic balance measuring, paint spraying and edging the surface of the sintered grinding wheel matrix.
5) And (4) marking and printing the post-processed grinding wheel, and packaging and warehousing according to requirements.
The obtained grinding wheel had a wear resistance of 0.7X 10-5。
Example 2
1) Preparing materials: the brazing filler metal binder consists of 25 wt% of electrolytic copper powder, 6 wt% of atomized tin powder, 15 wt% of CST alloy powder, 5.0 wt% of hollow micro-beads and the balance of electrolytic iron powder. The concentration of the diamond particles is 0.8ct/cm3And the diamond granularity is 40/45 meshes, the diamond particles are mixed into a molding material, and a three-dimensional mixer is adopted to mix the materials for 120 minutes.
2) Cold pressing: and (3) adjusting a tooling die, firstly putting a clean 65Mn steel substrate, putting a forming material and uniformly scraping the powder, and then putting the material into a cold press forming steel die for pressure forming to obtain a cold-pressed L-shaped grinding wheel blank.
3) And (3) sintering: assembling the cold-pressed blank of the L-shaped grinding wheel in a graphite die, and sintering in a vacuum atmosphere at 880 ℃.
4) Post-processing: and (3) sand blasting, dynamic balance measuring, paint spraying and edging the surface of the sintered grinding wheel matrix.
5) And (4) marking and printing the post-processed grinding wheel, and packaging and warehousing according to requirements.
The obtained grinding wheel had a wear resistance of 0.4X 10-5。
Example 3
1) Preparing materials: the brazing filler metal binder consists of 30 wt% of electrolytic copper powder, 5 wt% of atomized tin powder, 12 wt% of CST alloy powder, 3.0 wt% of hollow micro-beads and the balance electrolytic iron powder. The concentration of the diamond particles is 0.8ct/cm3And the diamond granularity is 40/45 meshes, the diamond particles are mixed into a molding material, and a three-dimensional mixer is adopted to mix the materials for 120 minutes.
2) Cold pressing: and (3) adjusting a tooling die, firstly putting a clean 65Mn steel substrate, putting a forming material and uniformly scraping the powder, and then putting the material into a cold press forming steel die for pressure forming to obtain a cold-pressed L-shaped grinding wheel blank.
3) And (3) sintering: assembling the cold-pressed blank of the L-shaped grinding wheel in a graphite die, and sintering in a vacuum atmosphere at 880 ℃.
4) Post-processing: and (3) sand blasting, dynamic balance measuring, paint spraying and edging the surface of the sintered grinding wheel matrix.
5) And (4) marking and printing the post-processed grinding wheel, and packaging and warehousing according to requirements.
The obtained grinding wheel had a wear resistance of 0.5X 10-5。
Comparative example 1
1) Preparing materials: the brazing filler metal binder consists of 30 wt% of electrolytic copper powder, 5 wt% of atomized tin powder, 12 wt% of CST alloy powder, 3.0 wt% of graphite powder and the balance of electrolytic iron powder. The concentration of the diamond particles is 0.8ct/cm3And the diamond granularity is 40/45 meshes, the diamond particles are mixed into a molding material, and a three-dimensional mixer is adopted to mix the materials for 120 minutes.
2) Cold pressing: and (3) adjusting a tooling die, firstly putting a clean 65Mn steel substrate, putting a forming material and uniformly scraping the powder, and then putting the material into a cold press forming steel die for pressure forming to obtain a cold-pressed L-shaped grinding wheel blank.
3) And (3) sintering: assembling the cold-pressed blank of the L-shaped grinding wheel in a graphite die, and sintering in a vacuum atmosphere at 880 ℃.
4) Post-processing: and (3) sand blasting, dynamic balance measuring, paint spraying and edging the surface of the sintered grinding wheel matrix.
5) And (4) marking and printing the post-processed grinding wheel, and packaging and warehousing according to requirements.
The obtained grinding wheel had a wear resistance of 0.5X 10-5。
Comparative example 2
1) Preparing materials: the brazing filler metal binder consists of 30 wt% of electrolytic copper powder, 5 wt% of atomized tin powder, 12 wt% of CST alloy powder, 3.0 wt% of boron powder and the balance electrolytic iron powder. The concentration of the diamond particles is 0.8ct/cm3And the diamond granularity is 40/45 meshes, the diamond particles are mixed into a molding material, and a three-dimensional mixer is adopted to mix the materials for 120 minutes.
2) Cold pressing: and (3) adjusting a tooling die, firstly putting a clean 65Mn steel substrate, putting a forming material and uniformly scraping the powder, and then putting the material into a cold press forming steel die for pressure forming to obtain a cold-pressed L-shaped grinding wheel blank.
3) And (3) sintering: assembling the cold-pressed blank of the L-shaped grinding wheel in a graphite die, and sintering in a vacuum atmosphere at 880 ℃.
4) Post-processing: and (3) sand blasting, dynamic balance measuring, paint spraying and edging the surface of the sintered grinding wheel matrix.
5) And (4) marking and printing the post-processed grinding wheel, and packaging and warehousing according to requirements.
The obtained grinding wheel had a wear resistance of 0.5X 10-5。
Comparative example 3
1) Preparing materials: the brazing filler metal bonding agent consists of 30 percent of electrolytic copper powder, 5 percent of atomized tin powder, 12 percent of CST alloy powder, 3.0 percent of white carbon black and the balance of electrolytic iron powder in percentage by weight. The concentration of the diamond particles is 0.8ct/cm3And the diamond granularity is 40/45 meshes, the diamond particles are mixed into a molding material, and a three-dimensional mixer is adopted to mix the materials for 120 minutes.
2) Cold pressing: and (3) adjusting a tooling die, firstly putting a clean 65Mn steel substrate, putting a forming material and uniformly scraping the powder, and then putting the material into a cold press forming steel die for pressure forming to obtain a cold-pressed L-shaped grinding wheel blank.
3) And (3) sintering: assembling the cold-pressed blank of the L-shaped grinding wheel in a graphite die, and sintering in a vacuum atmosphere at 880 ℃.
4) Post-processing: and (3) sand blasting, dynamic balance measuring, paint spraying and edging the surface of the sintered grinding wheel matrix.
5) And (4) marking and printing the post-processed grinding wheel, and packaging and warehousing according to requirements.
The obtained grinding wheel had a wear resistance of 0.4X 10-5。
The grinding wheels prepared in example 3 and comparative examples 1 to 3 were mounted on an angle grinder to conduct a grinding test (plunge type, rotation speed 3000r/min, cutting depth 0.1mm) on a ceramic tile in a dry grinding manner, and the grinding amount Δ V (mm) per unit area of the ceramic tile was measured 200 minutes after grinding3Mm), the relative grinding amounts of comparative examples 1 to 3 are shown in table 1, respectively, with the grinding amount of example 3 as reference "1".
TABLE 1
Comparative example 1 | Comparative example 2 | Comparative example 3 | |
Relative grinding amount | 0.78 | 0.75 | 0.69 |
The observation of the grinding surface of the grinding wheel shows that the diamond particles with the edge on the surface of the grinding block in the embodiment 3 have higher edge height which can reach 100-150 mu m, and most of the diamond particles have the phenomenon of local breakage and show good self-sharpening performance. In the comparative examples 1 to 2, the phenomenon of falling off is more, and in the comparative example 3, the phenomenon of self-sharpening is poor because more flat diamond particles are found, and the edge-cutting height is generally 70 to 120 mu m.
It is obvious to those skilled in the art that the present invention is not limited to the above embodiments, and it is within the scope of the present invention to adopt various insubstantial modifications of the method concept and technical scheme of the present invention, or to directly apply the concept and technical scheme of the present invention to other occasions without modification.
Claims (10)
1. The grinding wheel for processing the ceramic tile comprises a bowl-shaped steel base body, wherein the bowl-shaped steel base body comprises an annular processing surface positioned on the upper edge; the method is characterized in that: the annular processing surface is provided with a plurality of L-shaped diamond grinding blocks, and the L-shaped diamond grinding blocks are formed by mixing, cold pressing and sintering diamond particles and a brazing filler metal binding agent; and the brazing filler metal binder contains hollow micro-beads.
2. The grinding wheel for ceramic tile working according to claim 1, wherein: the brazing filler metal binding agent consists of 25-35 wt% of electrolytic copper powder, 3-6 wt% of atomized tin powder, 10-15 wt% of CST alloy powder, 2.5-5.0 wt% of hollow microspheres and the balance of electrolytic iron powder.
3. The grinding wheel for ceramic tile working according to claim 2, wherein: the average particle size of the electrolytic copper powder, the atomized tin powder and the electrolytic iron powder is 13-75 mu m.
4. The grinding wheel for ceramic tile working according to claim 2, wherein: the density of the hollow microspheres is 1.2-2.8 g/cm3The particle size is 150 to 300 μm.
5. The grinding wheel for ceramic tile working according to claim 2, wherein: and sintering at 880-910 ℃ in a protective atmosphere.
6. The grinding wheel for ceramic tile working according to claim 2, wherein: the particle size of the diamond particles is 180-500 mu m.
7. The grinding wheel for ceramic tile working according to claim 2, wherein: the abrasion resistance of the L-shaped diamond grinding block is 0.3 multiplied by 10-5~0.8×10-5。
8. The grinding wheel for ceramic tile working according to claim 1, wherein: the L-shaped diamond grinding block is composed of a first grinding block section and a second grinding block section, wherein the first grinding block section is arranged along the outer circumference of the annular processing surface in an extending mode, the second grinding block section is arranged from the outer circumference of the annular processing surface in the extending mode to the inner circumference of the annular processing surface in the extending mode, and the first grinding block section and the second grinding block section are basically the same in width.
9. The grinding wheel for ceramic tile working according to claim 1, wherein: the annular processing surface is provided with a plurality of heart-shaped through holes, the heart-shaped through holes correspond to the L-shaped diamond grinding blocks one to one, and the heart-shaped through holes are located between one side of the inner circumference of the annular processing surface and the L-shaped diamond grinding blocks.
10. The grinding wheel for ceramic tile working according to claim 9, wherein: the heart-shaped through hole is formed by a first outer side edge of a first grinding block section close to the L-shaped diamond grinding block, a second outer side edge of a second grinding block section close to the L-shaped diamond grinding block and a third outer side edge connecting the first outer side edge and the second outer side edge.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113001423A (en) * | 2021-04-21 | 2021-06-22 | 苏州远东砂轮有限公司 | Diamond grinding tool for grinding wheel and machining method for double-faced concave grinding wheel |
CN114571025A (en) * | 2022-04-01 | 2022-06-03 | 嘉兴沃尔德金刚石工具有限公司 | Method for drilling diamond brazing grinding wheel |
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CN207087654U (en) * | 2017-08-18 | 2018-03-13 | 河北小蜜蜂工具集团有限公司 | A kind of solder type diamond-impregnated wheel |
CN107932347A (en) * | 2017-11-28 | 2018-04-20 | 盐城工学院 | A kind of skive and preparation method thereof |
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CN113001423A (en) * | 2021-04-21 | 2021-06-22 | 苏州远东砂轮有限公司 | Diamond grinding tool for grinding wheel and machining method for double-faced concave grinding wheel |
CN114571025A (en) * | 2022-04-01 | 2022-06-03 | 嘉兴沃尔德金刚石工具有限公司 | Method for drilling diamond brazing grinding wheel |
CN114571025B (en) * | 2022-04-01 | 2024-04-12 | 嘉兴沃尔德金刚石工具有限公司 | Hole making method for diamond brazing grinding wheel |
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