CN114700876A - Superhard grinding wheel with three-dimensional needle carving structure and forming method thereof - Google Patents
Superhard grinding wheel with three-dimensional needle carving structure and forming method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 40
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- 229920005989 resin Polymers 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 238000009713 electroplating Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
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- 239000004575 stone Substances 0.000 description 4
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- 238000009966 trimming Methods 0.000 description 3
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- 239000011159 matrix material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24D18/0054—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by impressing abrasive powder in a matrix
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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
- B24D7/16—Bushings; Mountings
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Abstract
The invention provides a superhard grinding wheel with a three-dimensional needle carving structure and a forming method thereof, which are used for solving the technical problem that the molded surface of the grinding wheel is not easy to correct or cannot be trimmed. The grinding wheel comprises a grinding wheel base body and a grinding layer arranged on the outer side of the grinding wheel base body, and is characterized in that the grinding layer is composed of a plurality of needle-shaped grinding head assemblies, each needle-shaped grinding head assembly comprises a grinding head rod, one end of each grinding head rod is connected with the grinding wheel base body, and a grinding head is arranged at the other end of each grinding head rod. The invention does not need to adopt a dressing roller for dressing, does not need to reform equipment and additionally add driving equipment, has simple preparation process, relatively lower manufacturing cost, high manufacturing efficiency and higher shaping efficiency.
Description
Technical Field
The invention belongs to the technical field of superhard grinding tools, and particularly relates to a superhard grinding wheel with a three-dimensional needle carving structure and a forming method thereof.
Background
Along with the development of the automobile industry, the superhard grinding wheel is also rapidly developed, the performance advantage of the superhard grinding wheel is widely accepted, and compared with the traditional common grinding wheel, the performance price ratio of the superhard grinding wheel is favored by users. The superhard grinding wheel is processed towards a multi-piece combined step structure such as a gearbox shaft. Large thickness complex profile structures such as crankshaft flange end grinding wheels. The grinding wheel is a common grinding wheel in the prior art, and nowadays, a small number of manufacturers are matched with imported CBN grinding machines to realize the application of superhard grinding wheels. The CBN grinding wheel is limited by the online finishing and shaping conditions of the machine tool, so that the CBN grinding wheel cannot be applied under the condition of insufficient matching of the machine tool. Meanwhile, no matter the CBN grinding wheel is manufactured or used, if the ceramic CBN grinding wheel is large in hardness, the dressing difficulty is large, and the efficiency is low. If the resin grinding wheel is adopted, the dressing tool is easy to wear, and the dressing appearance is not easy to guarantee. If the grinding wheel is an electroplating grinding wheel, the grinding wheel cannot be dressed. Therefore, from the manufacturing and application, a superhard grinding wheel with low manufacturing cost, strong applicability, wide application range and convenient molding surface forming is a necessary trend.
Disclosure of Invention
Aiming at the technical problem that the molded surface of the grinding wheel is not easy to correct or cannot be corrected, the invention provides a superhard grinding wheel with a three-dimensional needle carving structure and a forming method thereof, and the purpose of convenient forming of the working surface of the grinding wheel is realized.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a superhard grinding wheel of three-dimensional needle carving structure, includes the grinding wheel base member and sets up the grinding layer in the grinding wheel base member outside, the grinding layer comprises the radial needle type bistrique subassembly that sets up of a plurality of, and needle type bistrique subassembly includes the bistrique pole and sets up in the bistrique of bistrique pole tip.
The grinding wheel base body is provided with a grinding head rod mounting hole, one end of the grinding head rod is fixed in the grinding head rod mounting hole, the grinding head rod and the grinding head mounting hole are in interference fit, and the height of the grinding head can be adjusted according to needs.
The grinding head rod is made of steel, hard alloy or other composite materials with high strength, bears shearing force in the rotation process of the grinding wheel, and cannot be loosened when being installed in the grinding head installation hole, so that the requirement on strength is high.
The grinding head is made of ceramic bond, resin bond, electroplated metal bond or metal powder bond, and the preparation method of the grinding head is the same as that of a conventional CBN grinding wheel. The grinding heads used in the grinding layer may be made of the same material; grinding heads made of different adhesives can be combined, and grinding working surfaces made of different materials are assembled on one grinding wheel.
The area of the cross section of the grinding head is larger than that of the cross section of the grinding head rod, so that interference is prevented; the grinding head rod is fixedly connected with the grinding head; preferably, the grinding head and the grinding head rod are sintered or bonded.
The cross section of the grinding head is in any shape; preferably, the grinding head is prismatic, and the cross section of the grinding head is circular or regular polygon, so that the grinding surface of the grinding head is always kept unchanged in the grinding process.
The cross section of the grinding head rod is circular or regular polygon; preferably, the grinding head rod is prismatic, and the cross section of the grinding head rod is circular or regular polygon, so that on one hand, the grinding head rod is convenient to process, and in addition, the grinding head rod is convenient to densely arrange on the grinding wheel matrix.
The grinding head and the grinding head rod are cylindrical.
The section of the grinding layer is planar, stepped, V-shaped, U-shaped and continuous circular arc curve. The plane shape is an initial shape without molding and pressing; the ladder shape is a plurality of sections of platform surfaces with different diameters; the V shape is one or more grooves with a structure that the outer opening is large and the inner opening is small and is in continuous transition; the U shape is U-shaped, and the bottom of the straight groove is provided with a fillet structure; the continuous arc curve is a combined curve of one or more sections of curves and straight lines and curves.
A forming method of a superhard grinding wheel with a three-dimensional needle carving structure is a prefabrication method or a spot manufacturing method;
the preparation method comprises the following steps: inserting the needle-type grinding head assembly into a grinding wheel base body to form a grinding layer, wherein the working surface of the grinding layer is a plane, and then pressing or rolling the grinding layer by adopting a standard part to prepare a working surface matched with the standard part;
the prefabricating method comprises the following steps: the method is characterized in that an existing grinding wheel is used as a reference, a needle-type grinding head assembly is directly installed on a grinding wheel base body, a grinding layer is prefabricated into a prefabricated part with the same working surface as the existing grinding wheel, and then the prefabricated part is used for machining a workpiece.
Furthermore, in the forming method of the superhard grinding wheel with the three-dimensional needle carving structure, needle-type grinding head components with the same length can be adopted in the preparation process, the needle-type grinding head components are firstly inserted into the grinding wheel base body to form a grinding layer, then the grinding layer is arranged by adopting a standard component through pressing the grinding head rod, the molded surface of the grinding layer is controlled by the standard component, and different shapes can be prepared. Or the needle-type grinding head components with different lengths can be adopted or the required shape can be directly assembled on the grinding wheel base body by adjusting the insertion depth of the needle-type grinding head components in the grinding head rod mounting holes.
The invention has the beneficial effects that: the invention does not need to adopt a dressing roller for dressing, does not need to modify equipment and additionally increase driving equipment, and has simple preparation process, relatively lower manufacturing cost, high manufacturing efficiency and higher shaping efficiency. The grinding wheel matrix adopted by the invention is the same as the conventional CBN grinding wheel, so that the prepared grinding wheel can be suitable for grinding machine application under various conditions. The superhard grinding wheel with the three-dimensional needle carving structure can obtain the required molded surface by pressing the standard part, so that the superhard grinding wheel can adapt to the processing of various complex molded surfaces, does not need to be special for workpieces and grinding wheels, saves a dressing roller and a dresser, and reduces the dressing cost. In addition, the grinding wheel prepared by the invention can still quickly modify the shape of the surface in the using process. When the grinding layer is made of electroplating materials, the appearance can be trimmed according to the requirement, and the problem that the electroplating grinding wheel cannot be trimmed is solved; when the grinding layer is made of ceramic materials or resin materials, the trimming process has no material reduction process, so that the problems of low correction efficiency and difficult guarantee of the trimming appearance do not exist. Finally, when the surface of the superhard grinding wheel with the three-dimensional needle carving structure is partially worn, the needle type grinding head assembly in the worn area can be replaced, and the service efficiency of the grinding wheel is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural view of a superhard grinding wheel with a three-dimensional needle carving structure.
Fig. 2 is a partially enlarged view of the structure of the grinding head.
Fig. 3 is a schematic diagram of reshaping of a stepped three-dimensional needle-carved superhard grinding wheel.
Fig. 4 is a schematic diagram of reshaping of the S-shaped curved surface three-dimensional needle carving superhard grinding wheel.
Fig. 5 is a schematic view of reshaping of a three-dimensional needle-engraved superhard grinding wheel with a stepped V-shaped surface.
In the figure: 1. grinding the layer; 2. a grinding wheel base body; 3. grinding heads; 4. a burr bar; 5. a grinding head rod mounting hole; 6. a standard part I; 7. step-shaped three-dimensional needle-carving superhard grinding wheels; 8. a standard part II; 9. the method comprises the following steps of (1) carving a superhard grinding wheel by an S-shaped curved surface three-dimensional needle; 10. a standard part III; 11. a step V-shaped surface three-dimensional needle carving superhard grinding wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
A superhard grinding wheel with a three-dimensional needle carving structure is shown in figures 1 and 2 and comprises a grinding wheel base body 2 and a grinding layer 1 arranged on the outer side of the grinding wheel base body 2, wherein the grinding wheel base body 2 is a CBN grinding wheel base body, and the grinding layer 1 is a main working layer of the grinding wheel and can be used for grinding, polishing and grinding. The grinding layer 1 is composed of a plurality of needle-type grinding head assemblies, the needle-type grinding head assemblies are used as minimum structural units, and the needle-type grinding head assemblies are regularly distributed on the grinding wheel base body 2 to form different grinding wheel profiles. The needle-type grinding head assembly comprises a grinding head rod 4 and a grinding head 3 arranged at the end part of the grinding head rod 4, wherein the grinding head 3 is a main grinding material and is directly contacted with a processing surface; the grinding head rod 4 plays a role in fixing, and meanwhile, the grinding layers 1 with different molded surfaces can be assembled by adjusting the height of the grinding head rod 4.
Example 2
A superhard grinding wheel with a three-dimensional needle carving structure is shown in figures 1 and 2, a grinding head rod mounting hole 5 is formed in a grinding wheel base body 2, one end of a grinding head rod 4 is fixed in the grinding head rod mounting hole 5, the grinding head rod 4 and the grinding head rod mounting hole 5 are in interference fit, and the height of a grinding head 3 can be adjusted according to needs. The grinding head rod 4 is made of steel, the grinding head rod 4 bears shearing force in the rotation process of the grinding wheel, and the grinding head rod is arranged in the grinding head rod mounting hole 5 and cannot be loosened. The grinding head is made of any one of ceramic bond, resin bond, electroplated metal bond or metal powder bond, and the preparation method of the grinding head is the same as that of a grinding layer of a conventional CBN grinding wheel. The area of the cross section of the grinding head 3 is larger than that of the cross section of the grinding head rod 4, so that interference can be prevented; the grinding head rod 4 is fixedly connected with the grinding head 3; preferably, the grinding head 3 and the grinding head rod 4 are sintered or bonded.
The other structure is the same as that of embodiment 1.
Example 3
A superhard grinding wheel with a three-dimensional needle carving structure is shown in figures 1 and 2, and the cross section of a grinding head 3 is in any shape; preferably, the grinding head 3 is cylindrical. Preferably, the cross section of the grinding head 3 is circular or regular polygon, so that the grinding surface of the grinding head can be kept unchanged all the time in the grinding process. The cross section of the grinding head rod 4 is circular or regular polygon; preferably, the grinding head rods 4 are prism-shaped, the cross sections of the grinding head rods 4 are circular or regular polygon, on one hand, machining is convenient, and on the other hand, the needle type grinding head assemblies can be densely arranged on the grinding wheel base body 2. The grinding stones 3 and the grinding stone bars 4 may be the same or different in sectional shape. Preferably, the grinding stone 3 is the same shape as the grinding stone bar 4.
Preferably, bistrique 3 and bistrique pole 4 are cylindrical, and circular do benefit to the engineering preparation, are favorable to the assembly body cooperation to effectively prevent the bistrique activity that the edges and corners interference leads to and is obstructed.
The other structure is the same as that of embodiment 2.
Example 4
A forming method of a superhard grinding wheel with a three-dimensional needle carving structure is characterized in that the forming method is a prefabrication method or a spot manufacturing method;
the preparation method comprises the following steps: inserting a needle-type grinding head component into a grinding wheel base body 2 to form a grinding layer 1, wherein the working surface of the grinding layer is a plane, and then pressing or rolling forming is carried out on the grinding layer 1 by adopting a standard component to prepare a working surface matched with the standard component; the method can be used on the construction site, and various complex working surfaces can be prepared according to standard components;
the prefabricating method comprises the following steps: the method is characterized in that an existing grinding wheel is used as a reference, a needle-type grinding head assembly is directly installed on a grinding wheel base body 2, a grinding layer 1 is prefabricated into a prefabricated part which has the same working surface with the existing grinding wheel, then the prefabricated part is used for machining a workpiece, and the method is formed in one step and directly assembles the working surface.
Example 5
A superhard grinding wheel with a three-dimensional needle carving structure is shown in figures 1, 2 and 3, and the specification (diameter) of the grinding wheel is D350 multiplied by thickness 35T multiplied by inner hole D127. The material of a grinding head rod 4 in the needle type grinding head component is hard alloy, and the specification is D0.5 multiplied by (total length) 20, wherein the specification of a grinding head 3 is D0.5 multiplied by (diameter) 10, and the specification of the grinding head rod 4 is D0.4 multiplied by (length) 10. The grinding head 3 is an electroplating CBN grinding head, and the outer diameter of the grinding head 3 is
The grinding head rod 4 has a diameter of
The grinding head rod mounting hole 5 is
The grinding head rod 4 and the grinding head rod mounting hole 5 are in interference fit. The axial section of the grinding wheel base body 2 has 40 needle-shaped grinding head assemblies, and the circumferential direction and the axial direction are arranged in a staggered mode. The grinding wheel base body 2 is made of 42CrMo with the hardness of HRC40The roughness Ra0.8 μm.
In the using process of the forming method of the superhard grinding wheel with the three-dimensional needle carving structure, the stepped profile is characterized by the step shaft of the grinding object, the size and the length are 20mm and are divided into three sections, and the lengths are 8mm, 10mm and 2mm respectively. Firstly, the grinding head rod 4 is completely installed in the grinding head rod installation hole 5, three sections of standard parts I6 with the lengths of 10mm, 10mm and 4mm are adopted, and the standard parts are shaped by taking the center 10mm as a reference (as shown in figure 3), so that the stepped three-dimensional needle carving superhard grinding wheel 7 is manufactured.
And (3) testing: the electroplating CBN grinding wheel with the three-dimensional needle carving structure and the traditional electroplating CBN grinding wheel are adopted to grind a step shaft workpiece made of GCr15, the linear speed is 80m/s, the feed speed is 50mm/min, the feed speed is 100mm/min, and the grinding allowance is 0.1 mm.
The test results are shown in table 1, after grinding, the processing takt of the electroplating CBN grinding wheel with the three-dimensional needle carving structure is consistent with that of the traditional electroplating CBN grinding wheel, and the roughness, cylindricity, roundness and processing takt of the workpiece meet the process requirements. 4000 grinding wheels are machined, the cylindricity is 0.0048mm, and the standard value is close to 0.005mm, so that the service life of the grinding wheel is prolonged. And reshaping the superhard grinding wheel with the three-dimensional needle carving structure by using the standard model shaft, and continuing to perform the grinding process, wherein the cylindricity of the prepared workpiece is 0.003, and the service life of the grinding wheel is 5500 pieces after repeated reshaping.
TABLE 1
The electroplating CBN grinding wheel with the three-dimensional needle carving structure is obtained through comparison, a high-precision machine tool is not needed to be adopted for manufacturing a molded surface during manufacturing, a standard part is adopted for mould pressing, installation errors can be eliminated through on-machine shaping, and the shaping is simple and convenient. Meanwhile, the processing effect and the use performance are consistent with those of the traditional electroplated superhard grinding wheel. Compared with the traditional electroplated superhard grinding wheel, the profile repairing precision can be adjusted again when the precision is insufficient. The traditional electroplated superhard grinding wheel cannot be adjusted and is discarded. In view of the characteristics, the service life of the superhard grinding wheel with the three-dimensional needle carving structure is superior to that of the traditional electroplated superhard grinding wheel.
Example 6
A superhard grinding wheel with a three-dimensional needle carving structure is shown in figures 1, 2 and 4, and the specification (diameter) of the grinding wheel is D300 x (thickness) 40T x (inner hole) D127. The material of the grinding head rod 4 in the needle type grinding head component is 40Cr, and the specification is D0.2 x (total length) 15, wherein the specification of the grinding head 3 is D0.2 x (length) 5, and the specification of the grinding head rod 4 is D0.18 x (length) 10. The selected grinding head 3 is a ceramic CBN grinding head, and the outer diameter of the grinding head 3 is
The grinding head rod 4 has a diameter of
The grinding head rod mounting hole 5 is
The grinding head rod 4 and the grinding head rod mounting hole 5 are in interference fit. The axial section of the grinding wheel base body 2 has 200 needle-type grinding head assemblies, the material of the grinding wheel base body 2 is 42CrMo, the hardness is HRC40, and the roughness is Ra0.8 mu m.
According to the forming method of the superhard grinding wheel with the three-dimensional needle carving structure, the S-shaped curved surface characteristic of the cycloidal gear to be ground is adopted, and in the using process, a standard part II 8 forming curve is adopted for pressing (as shown in figure 4), so that the S-shaped curved surface three-dimensional needle carving superhard grinding wheel 9 is obtained.
And (3) testing: the superhard grinding wheel with the three-dimensional needle carving structure and the traditional ceramic CBN grinding wheel are used for grinding a cycloidal gear workpiece made of 20CrMnTi, the linear speed is 60m/s, the feed speed is 0.2Rev/r, and the grinding allowance is 0.08 mm.
The test results are shown in table 2, the ceramic CBN grinding wheel with the three-dimensional needle carving structure and the traditional ceramic CBN grinding wheel adopt the same formula, so that after grinding, the processing takt of the superhard grinding wheel with the three-dimensional needle carving structure is consistent with that of the traditional electroplated grinding wheel, the workpiece roughness, the cylindricity, the roundness and the processing takt are consistent, and the process requirements are met.
TABLE 2
The ceramic CBN grinding wheel with the three-dimensional needle carving structure is obtained through comparison, a roller does not need to be manufactured during manufacturing, a molded surface does not need to be manufactured by a high-precision machine tool, a user uses a standard workpiece shaft for mould pressing during use, the on-machine shaping can be guaranteed, the installation error can be eliminated, and the shaping is simple and convenient. The grinding wheel formula of the ceramic CBN grinding wheel with the three-dimensional needle carving structure is always the same as that of the traditional ceramic CBN grinding wheel. Therefore, the processing effect and the use performance are consistent with those of the traditional ceramic CBN grinding wheel.
Example 7
A superhard grinding wheel with a three-dimensional needle carving structure is shown in figures 1, 2 and 5, and the specification (diameter) of the grinding wheel is D200 x (thickness) 20T x (inner hole) D31.75. The material quality of a grinding head rod 4 in the needle type grinding head assembly is 40Cr, and the specification is D0.2 multiplied by 20 (the total length), wherein the specification of a grinding head 3 is D0.2 multiplied by 5 (the diameter), and the specification of the grinding head rod 4 is D0.18 multiplied by 15 (the diameter). The selected grinding head 3 is a resin diamond grinding head, and the outer diameter of the grinding head 3 is
The grinding head rod 4 has a diameter of
The grinding head rod mounting hole 5 is
The grinding head rod 4 and the grinding head rod mounting hole 5 are in interference fit. The axial section of the grinding wheel base body 2 has 100 needle-type grinding head assemblies, the material of the grinding wheel base body 2 is 42CrMo, the hardness is HRC40, and the roughness is Ra0.8 mu m.
According to the forming method of the superhard grinding wheel with the three-dimensional needle carving structure, the profile is a step V-shaped profile according to the characteristics of a grinding object shaft, and in the using process, a standard part III 10 is adopted for forming curve pressing (as shown in figure 5), so that the step V-shaped profile three-dimensional needle carving superhard grinding wheel 11 is obtained.
And (3) testing: the resin diamond grinding wheel with the three-dimensional needle carving structure and the traditional resin diamond grinding wheel are used for grinding the shaft excircle made of YG8, the linear speed is 60m/s, the feed speed is 20mm/min, and the grinding allowance is 0.01 mm. The traditional resin diamond grinding wheel is difficult to finish by adopting a roller, and is generally finished by adopting a common grinding wheel, but the complicated profile cannot be finished. Therefore, the resin grinding wheel of the grinding wheel is less, and sectional grinding is generally adopted.
The test results are shown in table 3, the resin diamond grinding wheel with the three-dimensional needle carving structure and the traditional resin diamond grinding wheel adopt the same formula, so that after grinding, the processing takt of the superhard grinding wheel with the three-dimensional needle carving structure is consistent with that of the traditional electroplated grinding wheel, the workpiece roughness, cylindricity, roundness and processing takt are consistent, and the process requirements are met.
TABLE 3
Through the comparison, the three-dimensional needle-carving resin diamond grinding wheel is obtained, the roller trimming is not needed, the molded surface is not needed to be manufactured by adopting a high-precision machine tool, the standard part die pressing is used, the mounting error can be eliminated by the aid of the upper machine shaping, the difficulty is reduced, and the molding and processing of the complex molded surface of the resin diamond grinding wheel are realized. Because the grinding wheel formula of the resin diamond grinding wheel with the three-dimensional needle carving structure is consistent with that of the traditional resin diamond grinding wheel, the processing effect and the use performance are consistent with those of the traditional ceramic CBN grinding wheel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a superhard grinding wheel of three-dimensional needle carving structure, includes grinding wheel base member (2) and sets up grinding layer (1) in grinding wheel base member (2) outside, its characterized in that, grinding layer (1) comprises a plurality of needle type bistrique subassembly, and needle type bistrique subassembly includes bistrique pole (4), and the one end and the grinding wheel base member (2) adjustable connection of bistrique pole (4), the other end of bistrique pole (4) are equipped with bistrique (3).
2. The superhard grinding wheel of the three-dimensional needle carving structure according to claim 1, wherein the grinding wheel base body (2) is provided with a grinding head rod mounting hole (5), and one end of the grinding head rod (4) is mounted in the grinding head rod mounting hole (5).
3. The superhard grinding wheel with the three-dimensional needle carving structure according to claim 2, wherein the material of the grinding head rod (4) is steel or hard alloy.
4. The superhard grinding wheel with the three-dimensional needle carving structure according to claim 3, wherein the grinding head (3) is made of ceramic bond, resin bond, electroplating bond or metal bond.
5. The superhard grinding wheel with the three-dimensional needle carving structure according to claim 4, wherein the cross section of the grinding head (3) has an area not smaller than that of the cross section of the grinding head rod (4), and the grinding head rod (4) is fixedly connected with the grinding head (3).
6. The superhard grinding wheel with the three-dimensional needle carving structure according to claim 5, characterized in that the cross section of the grinding head (3) is circular or regular polygon.
7. The superhard grinding wheel of the three-dimensional needle carving structure according to claim 5, wherein the cross section of the grinding head rod (4) is circular or regular polygon.
8. The superhard grinding wheel of three-dimensional needle carving structure according to any one of claims 1 to 5, characterized in that the grinding head (3) and the grinding head rod (4) are cylindrical.
9. The superhard grinding wheel with the three-dimensional needle carving structure according to any one of claims 1 to 7, wherein the working surface of the grinding layer (1) is a plane, a step surface, a V-shaped surface, a U-shaped surface or a continuous arc curved surface.
10. A method for forming a superhard grinding wheel with a three-dimensional needle carving structure according to any one of claims 1 to 7, wherein the forming method is a prefabricating method or an on-site manufacturing method;
the preparation method comprises the following steps: inserting the needle-type grinding head assembly into the grinding wheel base body (2) to form a grinding layer (1), wherein the working surface of the grinding layer is a plane, and then pressing or rolling forming is carried out on the grinding layer (1) by adopting a standard part to prepare a working surface matched with the standard part;
the prefabricating method comprises the following steps: the method is characterized in that an existing grinding wheel is used as a reference, a needle-type grinding head assembly is directly installed on a grinding wheel base body (2), a grinding layer (1) is prefabricated into a prefabricated part with the same working surface as the existing grinding wheel, and then the prefabricated part is used for machining a workpiece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210556307.4A CN114700876A (en) | 2022-05-20 | 2022-05-20 | Superhard grinding wheel with three-dimensional needle carving structure and forming method thereof |
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| CN202210556307.4A CN114700876A (en) | 2022-05-20 | 2022-05-20 | Superhard grinding wheel with three-dimensional needle carving structure and forming method thereof |
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| CN202210556307.4A Pending CN114700876A (en) | 2022-05-20 | 2022-05-20 | Superhard grinding wheel with three-dimensional needle carving structure and forming method thereof |
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| CN202726751U (en) * | 2012-04-25 | 2013-02-13 | 北京华特科园超硬材料有限公司 | Novel open-gear flat diamond grinding wheel |
| KR20130093906A (en) * | 2012-02-15 | 2013-08-23 | 김건우 | Pad conditioner for cmp(chemical mechanical polishing) |
| CN204935415U (en) * | 2015-09-06 | 2016-01-06 | 江西省定海砂轮有限公司 | Fire resistant resin emery wheel |
| CN206998656U (en) * | 2017-03-06 | 2018-02-13 | 珠海市巨海科技有限公司 | A kind of multi layer consolidation composite diamond abrasive band |
| CN107984401A (en) * | 2017-12-29 | 2018-05-04 | 华侨大学 | A kind of skive with seedpod of the lotus structure and preparation method thereof |
| CN213054397U (en) * | 2020-07-27 | 2021-04-27 | 郑州伯利森新材料科技有限公司 | Super-hard grinding wheel with tough ceramic bond |
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| KR20130093906A (en) * | 2012-02-15 | 2013-08-23 | 김건우 | Pad conditioner for cmp(chemical mechanical polishing) |
| CN202726751U (en) * | 2012-04-25 | 2013-02-13 | 北京华特科园超硬材料有限公司 | Novel open-gear flat diamond grinding wheel |
| CN204935415U (en) * | 2015-09-06 | 2016-01-06 | 江西省定海砂轮有限公司 | Fire resistant resin emery wheel |
| CN206998656U (en) * | 2017-03-06 | 2018-02-13 | 珠海市巨海科技有限公司 | A kind of multi layer consolidation composite diamond abrasive band |
| CN107984401A (en) * | 2017-12-29 | 2018-05-04 | 华侨大学 | A kind of skive with seedpod of the lotus structure and preparation method thereof |
| CN213054397U (en) * | 2020-07-27 | 2021-04-27 | 郑州伯利森新材料科技有限公司 | Super-hard grinding wheel with tough ceramic bond |
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Application publication date: 20220705 |