CN111347356A - Preparation process of multifunctional grinding-cutting diamond grinding wheel - Google Patents
Preparation process of multifunctional grinding-cutting diamond grinding wheel Download PDFInfo
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- CN111347356A CN111347356A CN201811559485.2A CN201811559485A CN111347356A CN 111347356 A CN111347356 A CN 111347356A CN 201811559485 A CN201811559485 A CN 201811559485A CN 111347356 A CN111347356 A CN 111347356A
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Abstract
The invention discloses a preparation process of a multifunctional grinding-cutting diamond grinding wheel, and belongs to the technical field of diamond grinding wheels. According to the invention, through designing the raw material composition, the chemical components and the preparation process of the diamond tool bit and simultaneously through the structural design of the tool base body and the reasonable arrangement of the tool bits, the grinding wheel can exert the use function to the maximum extent, the problems that the time is consumed and redundant grinding or cutting machines are carried are solved without frequently replacing tools under the construction condition that workers grind and cut open the groove simultaneously, the grinding wheel can grind and cut off the material, great convenience is brought to users, and the working efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of diamond grinding wheels, in particular to a preparation process of a multifunctional grinding-cutting diamond grinding wheel.
Background
The diamond grinding wheel is formed by welding or cold pressing diamond tool bits on a metal matrix, wherein the diamond tool bits are formed by cold pressing and hot pressing sintering of artificial industrial diamonds and other metal powder and then are welded on the metal matrix in a bowl shape. Diamond grinding wheels are commonly mounted on concrete grinders to grind concrete, stone or other materials walls/floors, and the like.
Under the large background of rapid development of economy, the labor cost is higher and higher nowadays, and more tools are developed towards more multifunctionalization and long service life. Therefore, the service life of the tool is expected to be prolonged by further improving the material and the structure of the existing diamond grinding wheel, and the requirement of the current industrial development is met.
Disclosure of Invention
The invention aims to provide a preparation process of a multifunctional grinding-cutting diamond grinding wheel, which improves the binding force between a tool bit and a matrix and the grinding-cutting time by optimizing the design of a grinding wheel matrix structure and improving the chemical components of the tool bit, and further prolongs the service life of a tool.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a preparation process of a multifunctional grinding-cutting diamond grinding wheel comprises a grinding wheel base body and a diamond tool bit welded on the grinding wheel base body; the grinding wheel base body is made of No. 45 steel; the diamond tool bit is prepared by uniformly mixing raw material powder and performing hot-pressing sintering molding; the diamond tool bit comprises the following raw materials in percentage by weight: 23-34 parts of copper, 30-43 parts of iron, 2-12 parts of nickel, 22-38 parts of copper-tin-titanium alloy, 0.18-0.7 part of liquid paraffin and 1.2-2.8 parts of diamond; the preparation process of the diamond-impregnated wheel comprises the following steps:
(1) processing a matrix:
preparing a grinding wheel matrix with a required structure by machining according to the drawing requirements;
(2) sintering and forming of the diamond tool bit:
preparing the diamond tool bit by adopting a hot-pressing sintering technology: mixing the raw materials of the cutter head according to a required proportion, carrying out cold press molding after uniform mixing, then carrying out hot press sintering, and finally obtaining the diamond cutter head by grinding through a grinding wheel abrasive belt; wherein, in the hot-pressing sintering process, the sintering temperature is 765-780 ℃, and the sintering pressure is 150-350 kg/cm2And keeping the temperature for 2-6 minutes.
(3) High-frequency brazing:
placing a diamond tool bit on a corresponding position on the matrix, and placing a silver-based brazing filler metal sheet between the diamond tool bit and the grinding wheel matrix; adjusting the welding position, heating and melting the silver-based brazing filler metal sheet, and combining the diamond tool bit and the grinding and cutting matrix together; wherein the brazing process parameters are as follows: the brazing temperature is 820-;
(4) polishing, spraying paint and inspecting
Removing oxide skin on the surface of the welded matrix by using a sand blasting machine for the multifunctional grinding-cutting diamond grinding wheel after welding, then grinding the working surface of the diamond tool bit by using a special grinding wheel to expose the diamond, then performing surface paint spraying, drying to prevent the surface from rusting, and finally performing surface rust spraying by using a special grinding wheel600N/mm2And (5) carrying out welding strength detection on each diamond tool bit according to the strength standard, and printing, packaging and warehousing after the welding strength is qualified.
In the raw materials of the diamond tool bit, the granularity of the copper-tin-titanium alloy is 100-200 meshes, the granularity of the diamond is 30-50 meshes, and the compressive strength of the diamond is more than or equal to 20 kg.
The diamond tool bit is preferably prepared from the following raw materials in percentage by weight:
25-32 parts of copper, 32-40 parts of iron, 3-10 parts of nickel, 24-35 parts of copper-tin-titanium alloy, 0.25-0.6 part of liquid paraffin and 1.4-2.6 parts of diamond.
The raw materials used by the diamond tool bit preferably comprise the following components in percentage by weight:
28 parts of copper, 35 parts of iron, 4 parts of nickel, 33 parts of copper-tin-titanium alloy, 0.3 part of liquid paraffin and 1.7 parts of diamond.
The copper-tin-titanium alloy consists of three elements of Cu, Sn and Ti, wherein the content of Sn is 12-14 wt.%, the content of Ti is 8-10 wt.%, and the balance is Cu.
The silver-based brazing filler metal sheet comprises the following chemical components in percentage by weight:
0.5-0.8% of C, 7.5-8.5% of copper, 12-15% of nickel, 0.4-0.8% of tin, 1.2-2.6% of Al and 1.5-2.0% of boron; silicon 2.5-2.8% and the balance silver.
The grinding wheel base body is disc-shaped, the outer side of the grinding wheel base body is an annular grinding surface, the annular grinding surface is a stepped surface and comprises an inner annular plane and an outer annular plane, and the thickness of the outer annular plane is smaller than that of the inner annular plane; the diamond tool bits are a plurality of and are uniformly welded on the annular grinding section of the grinding wheel matrix.
The width of the outer annular plane is 5.5-6.5cm, and the thickness difference between the outer annular plane and the inner annular plane is 1 cm.
Every diamond segments all contacts with the inboard annular plane and the outside annular plane of emery wheel base member simultaneously, specifically is: the diamond tool bit is of an integrally formed T-shaped structure, the plane end of the diamond tool bit is welded on the outer annular plane, and the columnar part of the diamond tool bit is welded on the inner annular plane; the width of the planar end of the T-shaped structure is slightly greater than the width of the outer annular plane.
The center of the bottom surface of the grinding wheel matrix is provided with a shaft hole for fixing the grinding wheel matrix; a plurality of through-holes are seted up in the region between bottom surface and annular grinding face on the emery wheel base member, when polishing and cutting, through the chip removal that can be smooth to and make the wind flow more unobstructed, make the heat dissipation that multi-functional grinding dish can be fine, keep the rigidity of base member not warp all the time, reach and last dry grinding surely effect.
The design mechanism and the beneficial effects of the invention are as follows:
1. according to the invention, through the special structural design of the grinding wheel matrix, the steps with the depth of 1mm are machined on the outer edge of the plane of the grinding wheel matrix in a circle, as shown in figure 2, when the multifunctional grinding and cutting disc is welded, the cutter head is clamped in the steps for welding, the welding surface in the vertical direction is increased, although the height of the steps is only 1mm, the cutter head can be firmly clamped in the matrix for being difficult to fall off during vertical cutting, and the safety of the product is improved.
2. Through to base member structure optimal design, as shown in fig. 1, set up a plurality of through-holes in the region between base member bottom surface and the annular grinding face, when polishing and cutting, chip removal that can be smooth to and make the distinguished and admirable more unobstructed, make the heat dissipation that multi-functional grinding and cutting dish can be fine, keep the rigidity of base member not to warp all the time, reach and continuously grind eager effect futilely.
3. In the raw materials used by the diamond tool bit, active element Ti in the copper-tin-titanium alloy is subjected to segregation to the surface of the diamond at a proper brazing temperature to generate TiC; meanwhile, element diffusion occurs at the bonding interface of the diamond tool bit and the steel matrix to generate iron-titanium intermetallic compounds, and Ti and C diffuse into the matrix, which indicates that metallurgical reaction occurs between the diamond tool bit and the metal matrix. The brazing material can wet the tool bit and the substrate at the temperature of 820-835 ℃, and meanwhile, the temperature can ensure that Ti and C in the tool bit can be properly diffused into the substrate.
4. In the silver-based brazing filler metal sheet, the addition of the Al element can form a strengthening phase with other elements, so that the strength of a welding seam is improved, but the chemical activity of the Al is high, and the Al has strong affinity to nitrogen and oxygen, so that the brazing filler metal is extremely easy to pollute during preparation.
5. In the silver-based brazing sheet, the melting temperature of welding can be reduced by adding copper and nickel, the melting temperature can be further reduced by adding tin, and meanwhile, the strength and the plasticity of the brazing filler metal can be improved by tin, but when the melting temperature of the brazing filler metal is too low and contains more than 5% of tin, a brittle intermetallic compound Cu6Sn5 is easily formed on the interface of the brazing filler metal and a base metal; and when the tin exceeds 1%, the change of the tensile strength is small, so that the addition amount of the tin is controlled to be 0.4-0.8%, on one hand, the brittle phase is prevented from being formed at a low brazing temperature, and on the other hand, the toughness of the solder alloy is ensured.
6. In the silver-based brazing filler metal sheet, the proper amount of silicon element is added, so that the strength is improved, and the liquid metal fluidity and wettability of the brazing filler metal are improved. In addition, the brazing material does not contain Ti, and the diffusion degree and the diffusion rate of the Ti from the tool bit to the grinding wheel matrix can be improved in the brazing process.
7. The diamond grinding wheel prepared by the invention has the speed of 600N/mm2The strength standard detects the welding strength of each diamond tool bit, and the tensile strength test result shows that: the tensile strength of the welding joint is more than 85 percent (more than 510 MPa) of the grinding wheel matrix. The welding joint has no liquefaction phenomenon of the base metal and has no corrosion problem.
8. According to the invention, through the special design of the cutter base body and the reasonable arrangement of the cutter heads, the grinding wheel can exert the use function to the maximum extent, the problems that the time is consumed and redundant grinding or cutting machines are carried under the construction condition that workers do not need to frequently replace tools and the grinding and cutting grooving are used are solved, the grinding wheel not only can be used for grinding, but also can be used for cutting and cutting materials, great convenience is brought to users, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a structural view (top view) of a matrix of a multifunctional abrasive cutting diamond-impregnated wheel.
FIG. 2 is a structural view (sectional view) of a matrix of the multi-function abrasive cutting diamond-impregnated wheel.
Fig. 3 is an overall structure view (plan view) of the multifunctional grinding-cutting diamond-impregnated wheel.
Fig. 4 is an overall structure view (sectional view) of the multi-functional cutting diamond-impregnated wheel.
FIG. 5 is a microstructure of a braze joint.
Fig. 6 shows mechanical properties of the brazed joint.
In the figure: 1-an outer annular plane; 2-inner annular plane; 3-shaft hole; 4-a through hole; 5-diamond tool tip.
Detailed Description
For a further understanding of the present invention, reference is made to the following description, taken in conjunction with the accompanying drawings and examples, which are set forth, by way of illustration, with the purpose of providing further explanation of the features and advantages of the invention, and not by way of limitation of the claims.
The invention relates to a multifunctional grinding-cutting diamond-impregnated wheel, which is shown in figures 1-4. The diamond grinding wheel comprises a grinding wheel matrix and a diamond tool bit 5 welded on the grinding wheel matrix; the grinding wheel base body is disc-shaped, the outer side of the grinding wheel base body is an annular grinding surface, the annular grinding surface is a stepped surface and comprises an inner annular plane 2 and an outer annular plane 1, and the thickness of the outer annular plane is smaller than that of the inner annular plane; the width of the outer annular plane is preferably 5.5-6.5cm, and the thickness difference between the outer annular plane and the inner annular plane is preferably 1 cm.
The diamond tool bits are in a plurality of T-shaped structures which are integrally formed, the plane ends (the parts positioned on the outer annular plane in the figure 3) of the diamond tool bits are welded on the outer annular plane, and the column parts (the parts positioned on the inner annular plane in the figure 3) of the diamond tool bits are welded on the inner annular plane; the width of the plane end of the T-shaped structure is slightly larger than that of the outer annular plane, for example, 0.6mm more.
The center of the bottom surface of the grinding wheel matrix is provided with a shaft hole 3 for fixing the grinding wheel matrix; a plurality of through holes 4 are formed in the region between the bottom surface and the annular grinding surface on the grinding wheel base body, so that when the grinding wheel base body is ground and cut, chips can be better removed, convection and heat dissipation can be better, the rigidity of the base body is always kept and the base body is not deformed, and the effect of continuous dry grinding and cutting is achieved.
The grinding wheel base body is made of No. 45 steel; the diamond tool bit is prepared by uniformly mixing raw material powder and performing hot-pressing sintering molding; the diamond tool bit comprises the following raw materials in percentage by weight:
23-34 parts of copper, 30-43 parts of iron, 2-12 parts of nickel, 22-38 parts of copper-tin-titanium alloy, 0.18-0.7 part of liquid paraffin and 1.2-2.8 parts of diamond; wherein: the granularity of the copper-tin-titanium alloy is 100-200 meshes, the granularity of the diamond is 30-50 meshes, and the compressive strength of the diamond is more than or equal to 20 kg.
Example 1:
in this embodiment, the material of the grinding wheel base is 45 steel, and the diamond segments are made of the following raw materials by weight: 2.8kg of copper, 3.5kg of iron, 0.4kg of nickel, 3.3kg of copper-tin-titanium alloy, 0.03kg of liquid paraffin and 0.17kg of diamond.
The chemical composition of the copper-tin-titanium alloy is as follows: sn 12.8 wt.%, Ti 9.0 wt.%, and Cu the balance.
The silver-based brazing filler metal sheet comprises the following chemical components in percentage by weight: 0.55% of C, 7.8% of copper, 14.1% of nickel, 0.55% of tin, 2.4% of Al and 1.7% of boron; silicon 2.72% and balance silver.
The silver-based brazing filler metal sheet is prepared by adopting a conventional process, namely, the silver-based brazing filler metal sheet is processed into a strip with a required shape and specification through the procedures of alloy smelting, cogging, rolling and the like.
The preparation process of the multifunctional grinding-cutting diamond-impregnated wheel comprises the following steps:
(1) processing a matrix:
preparing a grinding wheel matrix of a required structure by machining according to the drawing requirements (such as figures 1-2);
(2) sintering and forming of the diamond tool bit:
preparing the diamond tool bit by adopting a hot-pressing sintering technology: putting copper powder, iron powder, nickel powder and copper-tin-titanium alloy powder in the raw materials of the cutter head into a mixing barrel according to a proportion, mixing for 40 minutes, adding liquid paraffin and diamond, and continuously mixing for 2 hours; then pouring the obtained mixed material into a die for cold press molding, then carrying out hot press sintering, and finally carrying out grinding by a grinding wheel abrasive belt to obtain the diamond tool bit; wherein, in the hot-pressing sintering process, the sintering is carried outThe junction temperature is 770 ℃, and the sintering pressure is 200kg/cm2And keeping the temperature for 5 minutes.
(3) High-frequency brazing:
placing a diamond tool bit on a corresponding position on the matrix, and placing a silver-based brazing filler metal sheet between the diamond tool bit and the grinding wheel matrix; adjusting the welding position, heating and melting the silver-based brazing filler metal sheet, and combining the diamond tool bit and the grinding and cutting matrix together; wherein the brazing process parameters are as follows: the brazing temperature is 825 ℃, and the brazing time is 15 seconds; after brazing at 600N/mm2The strength standard performs weld strength testing on each diamond tip.
(4) Polishing, spraying paint and inspecting
Removing oxide skin on the surface of the welded matrix by using a sand blasting machine for the multifunctional grinding-cutting diamond grinding wheel after welding, then grinding the working surface of the diamond tool bit by using a grinding wheel to expose the diamond, then performing surface painting and drying to prevent the surface from rusting, and finally performing surface treatment at the speed of 600N/mm2And (5) carrying out welding strength detection on each diamond tool bit according to the strength standard, and printing, packaging and warehousing after the welding strength is qualified.
The diamond grinding wheel prepared by the invention is used for processing the soldered joint,
at 600N/mm2The strength standard detects the welding strength of each diamond tool bit, and the tensile strength test result shows that: the tensile strength of the welding joint is more than 80 percent (reaching about 520MPa, as shown in figure 6) of the grinding wheel matrix. The welded joint had no liquefaction of the base material and no corrosion problem (see fig. 5).
Example 2:
in this embodiment, the material of the grinding wheel base is 45 steel, and the diamond segments are made of the following raw materials by weight: 2.9kg of copper, 3.5kg of iron, 0.5kg of nickel, 2.85kg of copper-tin-titanium alloy, 0.04kg of liquid paraffin and 0.21kg of diamond.
The chemical composition of the copper-tin-titanium alloy is as follows: 13.1 wt.% Sn, 9.2 wt.% Ti, and the balance Cu.
The silver-based brazing filler metal sheet comprises the following chemical components in percentage by weight: 0.6% of C, 8.2% of copper, 13.1% of nickel, 0.66% of tin, 1.5% of Al and 1.8% of boron; silicon 2.70% and balance silver.
In the preparation process of the multifunctional grinding-cutting diamond-impregnated wheel, the parameters of the high-frequency brazing process are as follows: the brazing temperature was 825 ℃ and the brazing time was 12 seconds. The rest of the procedure was the same as in example 1.
The diamond grinding wheel prepared by the invention has the speed of 600N/mm2The strength standard detects the welding strength of each diamond tool bit, and the tensile strength test result shows that: the tensile strength of the welding joint is more than 80% of that of the grinding wheel matrix, and the welding joint has no liquefaction phenomenon of the base metal and has no corrosion problem.
Example 3:
in this embodiment, the material of the grinding wheel base is 45 steel, and the diamond segments are made of the following raw materials by weight: 2.8kg of copper, 3.6kg of iron, 0.4kg of nickel, 3.5kg of copper-tin-titanium alloy, 0.03kg of liquid paraffin and 0.17kg of diamond.
The chemical composition of the copper-tin-titanium alloy is as follows: sn 12.2 wt.%, Ti 9.3 wt.%, and Cu the balance.
The silver-based brazing filler metal sheet comprises the following chemical components in percentage by weight: 0.54% of C, 7.8% of copper, 12.6% of nickel, 0.6% of tin, 1.8% of Al and 1.58% of boron; silicon 2.6% and balance silver.
In the preparation process of the multifunctional grinding-cutting diamond-impregnated wheel, the parameters of the high-frequency brazing process are as follows: the brazing temperature is 828 ℃, and the brazing time is 12 seconds. The rest of the procedure was the same as in example 1.
The diamond grinding wheel prepared by the invention has the speed of 600N/mm2The strength standard detects the welding strength of each diamond tool bit, and the tensile strength test result shows that: the tensile strength of the welding joint is more than 80% of that of the grinding wheel matrix, and the welding joint has no liquefaction phenomenon of the base metal and has no corrosion problem.
Comparative example 1:
the difference from the embodiment 1 is that: the chemical components of the silver-based brazing filler metal sheet do not contain B, and tests show that the oxygen content of the prepared silver-based brazing filler metal sheet is obviously improved.
Comparative example 2:
the difference from the embodiment 1 is that: the weight of the copper-tin-titanium alloy in the raw materials used by the diamond tool bit is reduced to 2.0 kg; the tensile strength test result of the finally prepared diamond-impregnated wheel shows that: the tensile strength of the welding joint is about 50 percent of that of the grinding wheel matrix.
Claims (10)
1. A preparation process of a multifunctional grinding-cutting diamond grinding wheel is characterized by comprising the following steps: the diamond grinding wheel comprises a grinding wheel matrix and a diamond tool bit welded on the grinding wheel matrix; the grinding wheel base body is made of No. 45 steel; the diamond tool bit is prepared by uniformly mixing raw material powder and performing hot-pressing sintering molding; the diamond tool bit comprises the following raw materials in percentage by weight: 23-34 parts of copper, 30-43 parts of iron, 2-12 parts of nickel, 22-38 parts of copper-tin-titanium alloy, 0.18-0.7 part of liquid paraffin and 1.2-2.8 parts of diamond; the preparation process of the diamond-impregnated wheel comprises the following steps:
(1) processing a matrix:
preparing a grinding wheel matrix with a required structure by machining according to the drawing requirements;
(2) sintering and forming of the diamond tool bit:
preparing the diamond tool bit by adopting a hot-pressing sintering technology: mixing the raw materials of the cutter head according to a required proportion, carrying out cold press molding after uniform mixing, then carrying out hot press sintering, and finally obtaining the diamond cutter head by grinding through a grinding wheel abrasive belt; wherein, in the hot-pressing sintering process, the sintering temperature is 765-780 ℃, and the sintering pressure is 150-350 kg/cm2And keeping the temperature for 2-6 minutes.
(3) High-frequency brazing:
placing a diamond tool bit on a corresponding position on the matrix, and placing a silver-based brazing filler metal sheet between the diamond tool bit and the grinding wheel matrix; adjusting the welding position, heating and melting the silver-based brazing filler metal sheet, and combining the diamond tool bit and the grinding and cutting matrix together; wherein the brazing process parameters are as follows: the brazing temperature is 820-;
(4) polishing, spraying paint and inspecting
Removing oxide skin on the surface of the welded matrix by using a sand blasting machine for the multifunctional grinding-cutting diamond grinding wheel after welding, then grinding the working surface of the diamond tool bit by using a special grinding wheel to expose the diamond, and finally, grinding the diamond tool bit by using a special grinding wheelSpraying paint on the surface, drying to prevent surface rusting, and spraying paint at a rate of 600N/mm2And (5) carrying out welding strength detection on each diamond tool bit according to the strength standard, and printing, packaging and warehousing after the welding strength is qualified.
2. The process for preparing a multifunctional abrasive-cutting diamond-impregnated wheel according to claim 1, wherein: in the raw materials of the diamond tool bit, the granularity of the copper-tin-titanium alloy is 100-200 meshes, the granularity of the diamond is 30-50 meshes, and the compressive strength of the diamond is more than or equal to 20 kg.
3. The process for preparing a multifunctional abrasive-cutting diamond-impregnated wheel according to claim 1, wherein: the diamond tool bit comprises the following raw materials in percentage by weight:
25-32 parts of copper, 32-40 parts of iron, 3-10 parts of nickel, 24-35 parts of copper-tin-titanium alloy, 0.25-0.6 part of liquid paraffin and 1.4-2.6 parts of diamond.
4. The process for preparing a multifunctional abrasive-cutting diamond-impregnated wheel according to claim 1, wherein: the diamond tool bit comprises the following raw materials in percentage by weight:
28 parts of copper, 35 parts of iron, 4 parts of nickel, 33 parts of copper-tin-titanium alloy, 0.3 part of liquid paraffin and 1.7 parts of diamond.
5. The process for preparing a multifunctional abrasive cutting diamond-impregnated wheel according to claim 5, wherein: the copper-tin-titanium alloy consists of three elements of Cu, Sn and Ti, wherein the content of Sn is 12-14 wt.%, the content of Ti is 8-10 wt.%, and the balance is Cu.
6. The process for preparing a multifunctional abrasive-cutting diamond-impregnated wheel according to claim 1, wherein: the silver-based brazing filler metal sheet comprises the following chemical components in percentage by weight:
0.5-0.8% of C, 7.5-8.5% of copper, 12-15% of nickel, 0.4-0.8% of tin, 1.2-2.6% of Al and 1.5-2.0% of boron; silicon 2.5-2.8% and the balance silver.
7. The process for preparing a multifunctional abrasive-cutting diamond-impregnated wheel according to claim 1, wherein: the grinding wheel base body is disc-shaped, the outer side of the grinding wheel base body is an annular grinding surface, the annular grinding surface is a stepped surface and comprises an inner annular plane and an outer annular plane, and the thickness of the outer annular plane is smaller than that of the inner annular plane; the diamond tool bits are a plurality of and are uniformly welded on the annular grinding section of the grinding wheel matrix.
8. The process for preparing a multifunctional abrasive cutting diamond-impregnated wheel according to claim 7, wherein: the width of the outer annular plane is 5.5-6.5cm, and the thickness difference between the outer annular plane and the inner annular plane is 1 cm.
9. The process for preparing a multifunctional abrasive cutting diamond-impregnated wheel according to claim 7, wherein: every diamond segments all contacts with the inboard annular plane and the outside annular plane of emery wheel base member simultaneously, specifically is: the diamond tool bit is of an integrally formed T-shaped structure, the plane end of the diamond tool bit is welded on the outer annular plane, and the columnar part of the diamond tool bit is welded on the inner annular plane; the width of the planar end of the T-shaped structure is slightly greater than the width of the outer annular plane.
10. The process for preparing a multifunctional abrasive cutting diamond-impregnated wheel according to claim 7, wherein: the center of the bottom surface of the grinding wheel matrix is provided with a shaft hole for fixing the grinding wheel matrix; a plurality of through-holes are seted up in the region between bottom surface and annular grinding face on the emery wheel base member, when polishing and cutting, through the chip removal that can be smooth to and make the wind flow more unobstructed, make the heat dissipation that multi-functional grinding dish can be fine, keep the rigidity of base member not warp all the time, reach and last dry grinding surely effect.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011067A (en) * | 2001-07-03 | 2003-01-15 | Sankyo Diamond Industrial Co Ltd | Super-abrasive grain tool provided with sintered super- abrasive grain tip |
| CN1456415A (en) * | 2003-06-10 | 2003-11-19 | 李嘉珍 | High-strength silver-base brazing alloy and use thereof |
| CN201300370Y (en) * | 2008-12-04 | 2009-09-02 | 河北富世华冀凯金刚石工具有限公司 | PCD grinding wheel |
| US20100300767A1 (en) * | 2009-05-28 | 2010-12-02 | Smith International, Inc. | Diamond Bonded Construction with Improved Braze Joint |
| CN105252448A (en) * | 2015-10-28 | 2016-01-20 | 江苏锋泰工具有限公司 | Manufacturing process for dry grinding diamond grinding wheel |
| CN106625295A (en) * | 2016-11-29 | 2017-05-10 | 磐维科技（青岛）有限公司 | Metal binding agent |
| CN108972374A (en) * | 2018-07-13 | 2018-12-11 | 白鸽磨料磨具有限公司 | A kind of metallic bond, metal anchoring agent diamond wheel and preparation method thereof |
-
2018
- 2018-12-20 CN CN201811559485.2A patent/CN111347356A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011067A (en) * | 2001-07-03 | 2003-01-15 | Sankyo Diamond Industrial Co Ltd | Super-abrasive grain tool provided with sintered super- abrasive grain tip |
| CN1456415A (en) * | 2003-06-10 | 2003-11-19 | 李嘉珍 | High-strength silver-base brazing alloy and use thereof |
| CN201300370Y (en) * | 2008-12-04 | 2009-09-02 | 河北富世华冀凯金刚石工具有限公司 | PCD grinding wheel |
| US20100300767A1 (en) * | 2009-05-28 | 2010-12-02 | Smith International, Inc. | Diamond Bonded Construction with Improved Braze Joint |
| CN105252448A (en) * | 2015-10-28 | 2016-01-20 | 江苏锋泰工具有限公司 | Manufacturing process for dry grinding diamond grinding wheel |
| CN106625295A (en) * | 2016-11-29 | 2017-05-10 | 磐维科技（青岛）有限公司 | Metal binding agent |
| CN108972374A (en) * | 2018-07-13 | 2018-12-11 | 白鸽磨料磨具有限公司 | A kind of metallic bond, metal anchoring agent diamond wheel and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 夏斯伟: "磨粒预钎焊金刚石磨轮的研制及其性能研究", pages 10 - 5 * |
| 胡少荃: "实用焊工手册", vol. 1, 航空工业出版社, pages: 375 * |
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