CN109822468B - Grinding head material, grinding tool and preparation method of grinding tool - Google Patents
Grinding head material, grinding tool and preparation method of grinding tool Download PDFInfo
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- CN109822468B CN109822468B CN201910105578.6A CN201910105578A CN109822468B CN 109822468 B CN109822468 B CN 109822468B CN 201910105578 A CN201910105578 A CN 201910105578A CN 109822468 B CN109822468 B CN 109822468B
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- 238000000227 grinding Methods 0.000 title claims abstract description 147
- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 73
- 239000000919 ceramic Substances 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000011230 binding agent Substances 0.000 claims abstract description 24
- 238000005245 sintering Methods 0.000 claims abstract description 21
- 239000011573 trace mineral Substances 0.000 claims abstract description 21
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 20
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 16
- 239000010432 diamond Substances 0.000 claims abstract description 16
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 16
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 16
- 229910052702 rhenium Inorganic materials 0.000 claims description 13
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 13
- 229910052715 tantalum Inorganic materials 0.000 claims description 13
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 13
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000005011 phenolic resin Substances 0.000 claims description 8
- 229920001568 phenolic resin Polymers 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Abstract
The invention relates to a grinding head material, a grinding tool and a preparation method of the grinding tool, wherein the grinding head material comprises the following components in parts by weight: 1 to 3 portions of diamond powder, 3 to 5 portions of metal powder, 3 to 5 portions of binder, 3 to 5 portions of ceramic powder and 0.5 to 1 portion of trace element. The grinding head of the grinding tool can be manufactured, the diamond, the metal powder and the ceramic powder are all components with higher hardness, the components are bonded through a binder, and the diamond, the metal powder, the ceramic powder and the trace elements are tightly bonded through procedures of isostatic pressing, baking, drying, high-temperature sintering and the like, so that the grinding head has good hardness and wear resistance, is suitable for grinding glass products, is not easy to fall particles and has long service life.
Description
Technical Field
The invention relates to the technical field of grinding tools and preparation processes thereof, in particular to a grinding head material, a grinding tool and a preparation method of the grinding tool.
Background
At present, grinding heads for domestic and external use are basically electroplated, and metal is electroplated on the surface of the grinding head to form a metal layer as a grinding layer. However, as technology advances, the composition of the glass material is upgraded. The electroplating grinding head is easy to fall particles in the using process, is not wear-resistant and short in service life, causes the problems of poor appearance, unstable size and the like of products, and is more and more difficult to meet the requirements of users.
Disclosure of Invention
Therefore, in order to solve the above problems, a grinding head material is needed, which can be used to manufacture a grinding head with tight adhesion, good hardness and wear resistance, and is not easy to fall off during use and can be used for a long time.
A grinding head material comprises the following components in parts by weight: 1 to 3 portions of diamond powder, 3 to 5 portions of metal powder, 3 to 5 portions of binder, 3 to 5 portions of ceramic powder and 0.5 to 1 portion of trace element.
The grinding head material can be used for manufacturing a grinding head of a grinding tool, diamond, metal powder and ceramic powder are all components with higher hardness, the components are bonded through a binder, and the diamond, the metal powder, the ceramic powder and trace elements are tightly bonded through procedures of isostatic pressing, baking, drying, high-temperature sintering and the like, so that the grinding head material is good in hardness and wear resistance, suitable for grinding glass products, not prone to falling of particles and long in service life.
In one embodiment, the metal powder is selected from one or more of chromium, molybdenum, tungsten and titanium.
In one embodiment, the binder is a phenolic resin.
In one embodiment, the ceramic powder is silicon nitride ceramic powder.
In one embodiment, the silicon nitride content of the ceramic powder is 10-50% by mass.
In one embodiment, the trace elements include rhenium and tantalum.
The invention also provides a grinding tool which is suitable for grinding glass products and has good grinding performance. The grinding tool comprises a grinding head, wherein the grinding head is made of any one of the grinding head materials.
In one embodiment, the abrasive article further comprises a base coupled to the abrasive tip.
In one embodiment, the substrate is made of metal.
In one embodiment, the substrate is a columnar structure.
In one embodiment, the grinding head is of a cylindrical structure.
The invention also provides a preparation method of the grinding tool, which adopts any grinding head material, and the preparation method comprises the following steps:
placing a base body in a mold, then adding the grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body;
and baking and drying the grinding tool green body, then sintering at high temperature, and cooling to room temperature along with the furnace.
In one embodiment, the baking and drying temperature is 100-110 ℃, and the baking time is 3-8 h.
In one embodiment, the high-temperature sintering temperature is 1800-2400 ℃, and the sintering time is 1-3 h.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the abrasive article of the present invention.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention provides a grinding head material which comprises the following components in parts by weight: 1 to 3 portions of diamond powder, 3 to 5 portions of metal powder, 3 to 5 portions of binder, 3 to 5 portions of ceramic powder and 0.5 to 1 portion of trace element.
The grinding head is made of the grinding head material, the diamond, the metal powder and the ceramic powder are all components with higher hardness, the components are bonded through a binder, and the diamond, the metal powder, the ceramic powder and the trace elements are tightly bonded through procedures of isostatic pressing, baking, drying, high-temperature sintering and the like, so that the grinding head material is good in hardness and wear resistance, suitable for grinding glass products, not prone to falling of particles and long in service life.
In one embodiment, the metal powder is selected from one or more of chromium, molybdenum, tungsten and titanium.
In one embodiment, the binder is a phenolic resin.
In one embodiment, the ceramic powder is a silicon nitride ceramic powder.
In one embodiment, the silicon nitride content of the ceramic powder is 10-50% by mass.
In one embodiment, the trace elements include rhenium and tantalum.
The invention also provides a grinding tool which is suitable for grinding glass products and has good grinding performance. Referring to fig. 1, the grinding tool comprises a grinding head made of the grinding head material. The resulting grinding head is suitable for grinding glass articles, or products similar to glass articles.
In one embodiment, the grinding tool further comprises a base body, wherein the base body is connected with the grinding head and is mainly used for connecting and installing the grinding head in processing equipment, such as equipment capable of driving the grinding tool to rotate.
In one embodiment, the substrate is made of metal, such as stainless steel, copper or copper alloy, which is not prone to rust and has good processability.
In one embodiment, the substrate is a cylindrical structure to facilitate rotation.
In one embodiment, the grinding head is of a cylindrical structure, preferably, the grinding head is cylindrical, the cylindrical side surface has a wide contact area and uniform surface radian, and the object to be ground can be ground circularly through rotation.
The invention also provides a preparation method of the grinding tool, which adopts the grinding head material and comprises the following steps:
s110: and (3) placing the base body in a mould, then adding a grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body.
The substrate can be machined into a columnar or other pre-designed shape.
Isostatic compaction mainly compacts and wraps the grinding head material in one section of the matrix, and the grinding head with the preset shape is obtained.
S220: baking and drying the grinding tool green body to slowly soften the binder, tightening the distance between the components through softening, and discharging part of the binder; and (3) baking and drying the grinding tool green body, sintering at high temperature, discharging the binder, tightly bonding the diamond, the metal powder, the ceramic powder and the trace elements, ensuring that the crystal form is stable and the whole body is more compact, and cooling to room temperature along with the furnace to obtain the grinding tool.
In one embodiment, the baking and drying temperature is 100-110 ℃, and the baking time is 3-8 h.
In one embodiment, the high-temperature sintering temperature is 1800-2400 ℃, the sintering time is 1-3 h, the binder in the grinding head is completely discharged, and the grinding head cannot crack, crack or surface arch.
The following are descriptions of specific embodiments.
Example 1
The grinding tool of the embodiment comprises a base body and a grinding head connected with the base body, wherein the base body and the grinding head are of cylindrical structures, and the base body is made of stainless steel. The preparation method of the grinding tool comprises the following steps:
s100: preparation of grinding head material
The grinding head material comprises the following components in parts by weight: 1 part of diamond powder, 4 parts of metal powder, 3.5 parts of binder, 3 parts of ceramic powder and 0.8 part of trace element.
The metal powder is chromium and titanium, and the mass ratio of the chromium to the titanium is 1: 1; the binder is phenolic resin; the ceramic powder is silicon nitride ceramic powder, and the mass percentage of silicon nitride in the ceramic powder is 20%; the trace elements comprise rhenium and tantalum, and the mass ratio of rhenium to tantalum is 1: 2.
S110: and (3) placing the cylindrical base body in a mould, then adding a grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body.
S220: baking and drying the grinding tool green body at the temperature of 100 ℃ for 6 h; and (3) baking and drying the grinding tool green body, then sintering at a high temperature of 2000 ℃ for 2.5h, and then cooling to room temperature along with the furnace to obtain the grinding tool.
Example 2
The grinding tool of the embodiment comprises a base body and a grinding head connected with the base body, wherein the base body and the grinding head are of cylindrical structures, and the base body is made of copper. The preparation method of the grinding tool comprises the following steps:
s100: preparation of grinding head material
The grinding head material comprises the following components in parts by weight: 1.5 parts of diamond powder, 5 parts of metal powder, 4 parts of binder, 4.8 parts of ceramic powder and 0.6 part of trace element.
The metal powder comprises molybdenum, tungsten and titanium, and the mass ratio of the molybdenum to the tungsten to the titanium is 1: 2: 1; the binder is phenolic resin; the ceramic powder is silicon nitride ceramic powder, and the mass percentage of silicon nitride in the ceramic powder is 10 percent; the trace elements comprise rhenium and tantalum, and the mass ratio of rhenium to tantalum is 1: 1.
S110: and (3) placing the cylindrical base body in a mould, then adding a grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body.
S220: baking and drying the grinding tool green body at 105 ℃ for 8 h; and (3) baking and drying the grinding tool green body, then sintering at high temperature, wherein the temperature of high-temperature sintering is 2100 ℃, the sintering time is 2.5 hours, and then cooling to room temperature along with a furnace to obtain the grinding tool.
Example 3
The grinding tool of the embodiment comprises a base body and a grinding head connected with the base body, wherein the base body and the grinding head are of cylindrical structures, and the base body is made of copper. The preparation method of the grinding tool comprises the following steps:
s100: preparation of grinding head material
The grinding head material comprises the following components in parts by weight: 2 portions of diamond powder, 4.5 portions of metal powder, 4.5 portions of binder, 3.8 portions of ceramic powder and 0.7 portion of trace element.
The metal powder is tungsten; the binder is phenolic resin; the ceramic powder is silicon nitride ceramic powder, and the mass percentage of silicon nitride in the ceramic powder is 35 percent; the trace elements comprise rhenium and tantalum, and the mass ratio of rhenium to tantalum is 3: 1.
S110: and (3) placing the cylindrical base body in a mould, then adding a grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body.
S220: baking and drying the grinding tool green body at the temperature of 110 ℃ for 3 h; and (3) baking and drying the grinding tool green body, then sintering at a high temperature of 2400 ℃ for 1.5h, and then cooling to room temperature along with a furnace to obtain the grinding tool.
Example 4
The grinding tool comprises a base body and a grinding head connected with the base body, wherein the base body and the grinding head are of cylindrical structures, and the base body is made of a copper alloy material. The preparation method of the grinding tool comprises the following steps:
s100: preparation of grinding head material
The grinding head material comprises the following components in parts by weight: 2.5 parts of diamond powder, 3 parts of metal powder, 3 parts of binder, 4 parts of ceramic powder and 1 part of trace element.
The metal powder is chromium and molybdenum, and the mass ratio of the chromium to the molybdenum is 2: 1; the binder is phenolic resin; the ceramic powder is silicon nitride ceramic powder, and the mass percentage of silicon nitride in the ceramic powder is 50 percent; the trace elements comprise rhenium and tantalum, and the mass ratio of rhenium to tantalum is 3: 1.
S110: and (3) placing the cylindrical base body in a mould, then adding a grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body.
S220: baking and drying the grinding tool green body at the temperature of 110 ℃ for 5 h; and (3) baking and drying the grinding tool green body, then sintering at a high temperature of 2050 ℃ for 1h, and then cooling to room temperature along with the furnace to obtain the grinding tool.
Example 5
The grinding tool comprises a base body and a grinding head connected with the base body, wherein the base body and the grinding head are of cylindrical structures, and the base body is made of a copper alloy material. The preparation method of the grinding tool comprises the following steps:
s100: preparation of grinding head material
The grinding head material comprises the following components in parts by weight: 3 portions of diamond powder, 3.5 portions of metal powder, 5 portions of binder, 5 portions of ceramic powder and 0.5 portion of trace element.
The metal powder is titanium; the binder is phenolic resin; the ceramic powder is silicon nitride ceramic powder, and the mass percentage of silicon nitride in the ceramic powder is 40%; the trace elements comprise rhenium and tantalum, and the mass ratio of rhenium to tantalum is 2: 3.
S110: and (3) placing the cylindrical base body in a mould, then adding a grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body.
S220: baking and drying the grinding tool green body at 105 ℃ for 4 h; and (3) baking and drying the grinding tool green body, then sintering at high temperature, wherein the high-temperature sintering temperature is 1950 ℃, the sintering time is 3 hours, and then cooling to room temperature along with a furnace to obtain the grinding tool.
The grindstones of examples 1 to 5 were used to test the bending strength, hardness and wear resistance of the grindstone heads, and the test results are shown in table 1.
TABLE 1
As is clear from table 1, the grindstones of examples 1 to 5 are excellent in bending strength, hardness and abrasion resistance of the grinding head, and can be used as grinding members for grinding and polishing glass products and the like.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The grinding head material is characterized by comprising the following components in parts by weight: 1-3 parts of diamond powder, 3-5 parts of metal powder, 3-5 parts of binder, 3-5 parts of ceramic powder and 0.5-1 part of trace element; the metal powder is selected from one or more of chromium, molybdenum, tungsten and titanium; the binder is phenolic resin; the trace elements include rhenium and tantalum.
2. The grinding head material according to claim 1, wherein the ceramic powder is a silicon nitride ceramic powder; the mass percentage of silicon nitride in the ceramic powder is 10-50%.
3. An abrasive tool comprising grinding heads made of the grinding head material according to any one of claims 1 to 2.
4. The abrasive article of claim 3, further comprising a base, the base being coupled to the abrasive tip.
5. A method for producing an abrasive tool, characterized by using the grinding head material according to any one of claims 1 to 2, comprising the steps of:
placing a base body in a mold, then adding the grinding head material to enable the grinding head material to surround one section of the base body, and carrying out isostatic pressing to obtain a grinding tool green body;
baking and drying the grinding tool green body, then sintering at high temperature, and cooling to room temperature along with a furnace;
the high-temperature sintering temperature is 1800-2400 ℃, and the sintering time is 1-3 h.
6. The method for preparing the abrasive tool according to claim 5, wherein the temperature for baking and drying is 100-110 ℃ and the baking time is 3-8 h.
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| CN111113283A (en) * | 2019-12-12 | 2020-05-08 | 杭州众衡机电科技有限公司 | Grinding head for magnet grinding |
| CN110948407B (en) * | 2019-12-13 | 2022-05-17 | 黄石海纳新材料科技股份有限公司 | Preparation method of grinding tool |
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| CN1079685A (en) * | 1992-01-23 | 1993-12-22 | 辛辛那提米勒克郎公司 | Make the method for vitreous bonded abrasive article and the product made from this method |
| CN1390682A (en) * | 2002-04-30 | 2003-01-15 | 燕山大学 | Super hard gringding apparatus with ceramic binder and its manufacture |
| CN1494985A (en) * | 2002-06-05 | 2004-05-12 | ������������ʽ���� | Super abrasive millstone |
| CN101600669A (en) * | 2007-02-02 | 2009-12-09 | 住友电工硬质合金株式会社 | Diamond sinter and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI613285B (en) * | 2010-09-03 | 2018-02-01 | 聖高拜磨料有限公司 | Bonded abrasive article and method of forming |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100128A (en) * | 1985-04-01 | 1986-08-20 | 清华大学 | Superhard, cutting of hardworking material cutter and sharpening and using method |
| CN1079685A (en) * | 1992-01-23 | 1993-12-22 | 辛辛那提米勒克郎公司 | Make the method for vitreous bonded abrasive article and the product made from this method |
| CN1390682A (en) * | 2002-04-30 | 2003-01-15 | 燕山大学 | Super hard gringding apparatus with ceramic binder and its manufacture |
| CN1494985A (en) * | 2002-06-05 | 2004-05-12 | ������������ʽ���� | Super abrasive millstone |
| CN101600669A (en) * | 2007-02-02 | 2009-12-09 | 住友电工硬质合金株式会社 | Diamond sinter and preparation method thereof |
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