CN108747854A - A kind of Technique of Vitrified Diamond Wheels and preparation method thereof with the attached layer of low temperature heat curing type - Google Patents
A kind of Technique of Vitrified Diamond Wheels and preparation method thereof with the attached layer of low temperature heat curing type Download PDFInfo
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- CN108747854A CN108747854A CN201810712332.0A CN201810712332A CN108747854A CN 108747854 A CN108747854 A CN 108747854A CN 201810712332 A CN201810712332 A CN 201810712332A CN 108747854 A CN108747854 A CN 108747854A
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- attached layer
- low temperature
- grinding wheel
- temperature heat
- curing type
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
- B24D3/18—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings for porous or cellular structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of Technique of Vitrified Diamond Wheels and preparation method thereof with the attached layer of low temperature heat curing type, including abrasive material, the attached layer of low temperature heat curing type, metallic matrixes.Attached layer is abrasive material and matrix intermediate layer.The manufacture craft of the attached layer of low temperature heat curing type is simple and efficient, yields is high, strong applicability, vitrified bonded grinding wheel with this attached layer can not only effectively improve the utilization rate of grinding wheel abrasive material, reduce grinding wheel knocking over probability, and disclosed its coefficient of heat conduction of attached layer is much lower compared with the coefficient of heat conduction of super hard abrasive and metallic matrix, therefore grinding wheel spalling problem caused by grinding wheel base body can be conducted to avoid the heat at grinding interface when grinding.
Description
Technical field
The present invention relates to a kind of between Technique of Vitrified Diamond Wheels abrasive material and matrix plus one layer of composite material
The technology of attached layer belongs to skive preparing technical field.
Background technology
In the prior art, attached laminar grinding wheel is seldom for the application of vitrified bond mainly based on resinoid bond
And technical difficulty is very big.The conventional preparation techniques of Technique of Vitrified Diamond Wheels are first to be cold-pressed into green compact, then carry out
Solidification sintering, the abrasive material sintered is coordinated with matrix, then bonding forming, is trimmed to the shape and size of needs.
Often there is deformation during sintering in vitrified bonded grinding wheel.Therefore during the use of grinding wheel, often occur
It can not be just continuing with when abrasive material is detached with matrix and abrasive material is remaining several millimeters last, cause the waste of abrasive material, and
And the heat at grinding interface is conducted to the grinding wheel spalling that grinding wheel base body is easy to cause when being ground.
Invention content
The object of the present invention is to provide a kind of Technique of Vitrified Diamond Wheels and its system with the attached layer of low temperature heat curing type
Standby technique.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of pottery with the attached layer of low temperature heat curing type
Porcelain anchoring agent diamond grinding wheel, including matrix, grinding wheel abrasive material and the attached layer between matrix, grinding wheel abrasive material；It is described
The raw material for preparing of grinding wheel abrasive material is diamond abrasive, vitrified bond, carbon dust, resin liquid；The attached layer prepares raw material packet
Include resin-oatmeal, abrasive material, aluminium oxide, zinc oxide.
The invention also discloses a kind of Technique of Vitrified Diamond Wheels attached layer of low temperature heat curing type, the low temperature heat curing types
The raw material for preparing of attached layer includes resin-oatmeal, conventional abrasive material, aluminium oxide, zinc oxide.
In above-mentioned technical proposal, the attached layer thickness is identical as grinding wheel abrasive material layer thickness, and attached slice width degree is grinding wheel abrasive material
The 1/5 of thickness.Attached layer is abrasive material and matrix intermediate layer, and the manufacture craft of the attached layer of low temperature heat curing type is simple and efficient, and is fitted
Strong with property, the vitrified bonded grinding wheel with this attached layer can not only effectively improve the utilization rate of grinding wheel abrasive material, reduce
Grinding wheel knocking over probability, and disclosed its coefficient of heat conduction of attached layer is low compared with the coefficient of heat conduction of super hard abrasive and metallic matrix very
It is more, therefore grinding wheel spalling problem caused by grinding wheel base body can be conducted to avoid the heat at grinding interface when grinding.
In above-mentioned technical proposal, attached layer is prepared in raw material, and resin-oatmeal is phenol-formaldehyde resin powder, and abrasive material is white fused alumina；Grinding wheel
In abrasive material, the raw material for preparing of vitrified bond is aluminium oxide, zinc oxide, sodium tetraborate, lithium hydroxide, silica；Matrix
For metallic matrix.
The invention also discloses the preparation method of the above-mentioned Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type,
Include the following steps,
（1）The mixture addition of resin-oatmeal, abrasive material, aluminium oxide, zinc oxide is placed in the mold of matrix, hot pressing is carried
The matrix of attached layer；
（2）After diamond abrasive, vitrified bond, carbon dust, resin liquid are mixed sieving, compacting prepares green compact；After green sintering
Prepare grinding wheel abrasive material；
（3）Grinding wheel abrasive material is Nian Jie with the matrix of attached layer, obtain the vitrified bond gold with the attached layer of low temperature heat curing type
Hard rock grinding wheel.
In the present invention, the attached layer of matrix is made as white fused alumina, aluminium oxide, zinc oxide, the phenolic resin in attached layer raw material
After mixing, matrix is put into mold for powder, and attached layered material can directly be contacted with matrix outer circle；Then with ρ=1.8 at
Type density feeds intake, by it with the pressure of 30t on hot press, at 200 DEG C the technological process of hot pressing 20 minutes carry out hot pressing,
To which attached layered material is solidificated in matrix outer circle, the matrix with attached layer is obtained.
Skive abrasive material makes：Pacify institute with diamond abrasive, vitrified bond powder, carbon dust, resin liquid quality
It needs ratio to carry out weighing, puts it into beaker, then pour into a certain amount of acetone soln into beaker, stir evenly, wait for acetone
It is for use with the sieve sieving mounted box of 80 mesh after solution volatilization completely, the material of mounted box is pressed into annulus shape with ρ=2.0 with mold
Green compact, put the green body into Muffle furnace, be sintered with 760 DEG C of heat preservations, 3 hours flows；Prepare grinding wheel abrasive material.
It will be carried out with existing high strength structural adhesion be bonded after coming out of the stove between grinding wheel abrasive material and attached layer matrix, obtain having low
Warm the Technique of Vitrified Diamond Wheels of the attached layer of curable type.
In the present invention, abrasive material is directly over one section of heat preservation solidification sintering and completes；Attached layer is by resin-oatmeal, white fused alumina, oxygen
Change the low temperature moulding material that aluminium, zinc oxide etc. mix；Be between attached layer and matrix directly it is hot-forming together；Abrasive material
Layer with attached layer matrix directly with high-strength structure it is be bonded.
Preferably, the grinding wheel abrasive material outer diameter is φ 205mm；The grinding wheel abrasive material layer thickness 10-20mm, corresponding attached layer
Thickness 2-4mm.
Preferably, white fused alumina, phenol-formaldehyde resin powder, aluminium oxide, zinc oxide mass ratio be 1:6:5:3；Aluminium oxide, oxidation
Zinc, sodium tetraborate, lithium hydroxide, silica mass ratio be 2-8:5-10:4-10:6-12:40-60；Diamond abrasive, pottery
Porcelain bonding agent, carbon dust, resin liquid mass ratio be 15-25:5-10:2-5:3-8, this ratio make emery wheel making yield rate carry
Height, stability enhances when grinding wheel use.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
Present invention firstly discloses the Technique of Vitrified Diamond Wheels with attached layer, overcome existing attached layer and are only used for resin
The problem of bonding agent abrasive material, solving can not be effective with attached layer caused by the prior art is formed due to vitrified bond raw material
The defect matched, the grinding wheel made improve the utilization rate of abrasive material.
The present invention greatly improves grinding wheel overall stability using attached layer, and abrasive material is bonding with attached layer than abrasive material and gold
Belong to matrix and is directly bonded more secured, reduction grinding wheel knocking over probability；And grinding wheel structure is simple, easy to operate, convenient for promoting.
The composite material for the low temperature moulding that the attached layer of the present invention uses, it is more at low cost than the abrasive material of abrasive material, it can effectively save
About production cost, and the coefficient of heat conduction of composite material is much lower compared with the coefficient of heat conduction of super hard abrasive and metallic matrix, therefore
It can be conducted to grinding wheel spalling problem caused by grinding wheel base body to avoid the heat at grinding interface when grinding.
Description of the drawings
Fig. 1 is the structural schematic diagram of grinding wheel of the present invention；
Fig. 2 is the cross section structure schematic diagram of grinding wheel of the present invention；
Wherein, 1, matrix, 2, the attached layer of low temperature heat curing type, 3, abrasive material, 4, high strength structural adhesion.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment one
Shown in Fig. 1-2, a kind of Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type, including matrix 1, low temperature
The attached layer 2 of heat curing type, abrasive material 3 and high strength structural adhesion 4.
The preparation method of the above-mentioned Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type is as follows：
The making of the attached layer of matrix, matrix is put into mold, and attached layered material can directly be contacted with matrix outer circle；By attached layer raw material
In white fused alumina, aluminium oxide, zinc oxide, phenol-formaldehyde resin powder according to mass ratio be 1:6:5:3 after mixing, with ρ=1.8 at
Type density feeds intake to mold, then on hot press with the pressure of 30t, hot pressing 20 minutes at 200 DEG C, to by attached layered material
It is solidificated in matrix outer circle, attached layer thickness 3mm, width is as abrasive material.
The making of vitrified bond powder:It is 5 by mass ratio:8:6:10:50 aluminium oxide, zinc oxide, sodium tetraborate, hydrogen
Lithia, silica are uniformly mixed, and cross 80 mesh screens；Mixed material is put into 1500 DEG C of smelting furnace, by the liquid of fusing
The cold extraction of body is treated as glass-ceramic material；Then by frit with ratio of grinding media to material 1:7 ratio be put into ball mill carry out ball milling at
Divide powder；Powder is dried into again ball milling 200 mesh nets of sieving.
Skive abrasive material makes：With diamond abrasive, vitrified bond powder, carbon dust, liquid phenolic resin quality
Than being 20:6:5:7 carry out weighing, put it into beaker, then pour into 20ml acetone solns into beaker, stir evenly；Wait for third
It is for use with the sieve sieving mounted box of 80 mesh after the volatilization completely of ketone solution.With mold by the material of mounted box with the compact density pressure of ρ=2.0
The green compact of required annulus shape are made, put the green body into Muffle furnace, is sintered, is obtained with the flow of 760 DEG C of heat preservations 3 hours
Skive abrasive material, outer diameter are φ 205mm, thickness 15mm.
It will be carried out be bonded after coming out of the stove between skive abrasive material and attached layer matrix, had with high strength structural adhesion
The Technique of Vitrified Diamond Wheels of the attached layer of low temperature heat curing type.
With without attached layer matrix and above-mentioned grinding wheel abrasive material it is Nian Jie as a comparison, carry out performance comparison, the results are shown in Table 1,
Compared by performance, under equal conditions, the grinding wheel with attached layer corrects interval and service life in roughness（Process number of packages）Aspect,
It will be better than without attached layer structure.
Performance of the table 1 with attached layer structure and without attached layer
| Grinding wheel structure | Wheel hardness (HRH) | Roughness（RZ） | Currying work every | Service life |
| Attached layer structure | 106 | 0.6 | 650 | 8016 |
| Without attached layer structure | 108 | 1.1 | 300 | 5102 |
In attached layer disclosed by the invention, structure glue used can infilter in attached layer, and it is bonding with skive to improve attached layer
Property, if being added without zinc oxide, the service life declines, about 6888, be added without zinc oxide, then and service life decline, about 7012；
If attached layer thickness is more than the 25% of abrasive material, the service life declines, about 6563；If attached layer thickness is less than abrasive material
15%, then service life decline, about 5806.Compared to being directly bonded matrix and grinding wheel, adhesive strength of the present invention improves 5 times, and
And be formed by between attached layer and glue-line structure have low heat conductivity and certain toughness, effectively keep away temperature it is higher in the case of occur
There is a situation where grinding wheel knocking overs by grinding wheel spalling and at low temperatures for matrix, and the service life is greatly improved and corrects interval.With it is existing
Grinding wheel is compared, and in practical applications, there is a situation where grinding wheel spallings and knocking over to reduce 95%, and the present invention is imitated with damping
Fruit improves roughness when processing.Effectively increase the quality of grinding wheel.The present invention has easy to operate, highly practical, yields
It is high；Grinding wheel outer diameter especially of the present invention is big, has apparent effect in grinding wheel knocking over, spalling, raising machining accuracy, is effectively improved
Grinding wheel quality, suitable for being widely used.
In Technique of Vitrified Diamond Wheels disclosed by the invention with the attached layer of low temperature heat curing type, attached layer is low temperature moulding
Composite material, in the pressure of 30t, hot pressing 20 minutes at 200 DEG C, attached layer will be firmly combined together with matrix；Abrasive material
It is bonded together with high strength structural adhesion between attached layer；After structure glue is fully cured, crushing to needing size and shape
Shape can be used.In view of prior art defect, the present invention develops a kind of attached layer vitrified bond Buddha's warrior attendant of low temperature heat curing type for the first time
The preparation process of stone, among vitrified bonded grinding wheel abrasive material and matrix plus the attached layer of last layer low temperature heat curing type, solution are existing
Super hard abrasive waste, grinding wheel knocking over problem and grinding wheel abrasive material spalling problem in technology, it is clear that be to have positive effect.
Claims (10)
1. a kind of Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type, including matrix, grinding wheel abrasive material and position
Attached layer between matrix, grinding wheel abrasive material；The grinding wheel abrasive material prepare raw material be diamond abrasive, vitrified bond,
Carbon dust, resin liquid；The raw material for preparing of the attached layer includes resin-oatmeal, conventional abrasive material, aluminium oxide, zinc oxide.
2. the Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type according to claim 1, which is characterized in that institute
It is identical as grinding wheel abrasive material layer thickness to state attached layer thickness；The attached slice width degree is the 1/5 of grinding wheel abrasive material layer thickness.
3. the Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type, feature exist according to claim 1
In resin liquid is liquid phenolic resin；Resin-oatmeal is phenol-formaldehyde resin powder；Conventional abrasive material is white fused alumina；The preparation of vitrified bond is former
Material is aluminium oxide, zinc oxide, sodium tetraborate, lithium hydroxide, silica；Matrix is metallic matrix.
4. a kind of Technique of Vitrified Diamond Wheels attached layer of low temperature heat curing type, the attached layer of low temperature heat curing type prepares raw material packet
Include resin-oatmeal, conventional abrasive material, aluminium oxide, zinc oxide.
5. the Technique of Vitrified Diamond Wheels attached layer of low temperature heat curing type according to claim 4, which is characterized in that resin-oatmeal
For phenol-formaldehyde resin powder；Conventional abrasive material is white fused alumina.
6. the preparation method of the Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type described in claim 1, including with
Lower step,
（1）The mixture addition of resin-oatmeal, conventional abrasive material, aluminium oxide, zinc oxide is placed in the mold of matrix, hot pressing obtains
Matrix with attached layer；
（2）After diamond abrasive, vitrified bond, carbon dust, resin liquid are mixed sieving, compacting prepares green compact；After green sintering
Prepare grinding wheel abrasive material；The raw material for preparing of vitrified bond is aluminium oxide, zinc oxide, sodium tetraborate, lithium hydroxide, titanium dioxide
Silicon；
（3）Grinding wheel abrasive material is Nian Jie with the matrix of attached layer, obtain the vitrified bond gold with the attached layer of low temperature heat curing type
Hard rock grinding wheel.
7. the preparation method of the Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type according to claim 6,
It is characterized in that, the compact density of attached layer is 1.8；The compact density of grinding wheel abrasive material is 2.0.
8. the preparation method of the Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type according to claim 6,
It is characterized in that, pressure that hot pressing is 30 tons, hot pressing 20 minutes at 200 DEG C；760 DEG C are sintered to be sintered 3 hours.
9. the preparation method of the Technique of Vitrified Diamond Wheels with the attached layer of low temperature heat curing type according to claim 6,
Be characterized in that, white fused alumina, phenol-formaldehyde resin powder, aluminium oxide, zinc oxide mass ratio be 1:6:5:3；Aluminium oxide, zinc oxide, four boron
The 2-8 of sour sodium, lithium hydroxide, silica:5-10:4-10:6-12:40-60；Diamond abrasive, vitrified bond, carbon dust,
The mass ratio of resin liquid is 15-25:5-10:2-5:3-8.
10. the attached layer of Technique of Vitrified Diamond Wheels low temperature heat curing type described in claim 4 has described in preparation claim 1
There is the application in the Technique of Vitrified Diamond Wheels of the attached layer of low temperature heat curing type.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911708.8A CN111993294B (en) | 2018-06-29 | 2018-06-29 | Preparation method of ceramic bond diamond grinding wheel with low-temperature thermosetting type adhesion layer |
| CN201810712332.0A CN108747854B (en) | 2018-06-29 | 2018-06-29 | Ceramic bond diamond grinding wheel with low-temperature thermosetting type adhesion layer and preparation method thereof |
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| CN201810712332.0A CN108747854B (en) | 2018-06-29 | 2018-06-29 | Ceramic bond diamond grinding wheel with low-temperature thermosetting type adhesion layer and preparation method thereof |
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| CN202010911708.8A Division CN111993294B (en) | 2018-06-29 | 2018-06-29 | Preparation method of ceramic bond diamond grinding wheel with low-temperature thermosetting type adhesion layer |
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| CN201810712332.0A Active CN108747854B (en) | 2018-06-29 | 2018-06-29 | Ceramic bond diamond grinding wheel with low-temperature thermosetting type adhesion layer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113732965A (en) * | 2021-09-03 | 2021-12-03 | 柳州凯通新材料科技有限公司 | Ceramic-metal composite binding agent diamond grinding wheel and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113635226B (en) * | 2021-08-19 | 2022-11-29 | 江苏赛扬精工科技有限责任公司 | Ceramic internal grinding wheel grinding complex, double-layer grinding wheel and preparation method |
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| CN106392908A (en) * | 2016-05-30 | 2017-02-15 | 广东工业大学 | Diamond grinding wheel with ceramic binders and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732965A (en) * | 2021-09-03 | 2021-12-03 | 柳州凯通新材料科技有限公司 | Ceramic-metal composite binding agent diamond grinding wheel and preparation method thereof |
| CN113732965B (en) * | 2021-09-03 | 2024-05-24 | 永康市登达磨具有限公司 | Ceramic-metal composite bonding agent diamond grinding wheel and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108747854B (en) | 2020-09-25 |
| CN111993294A (en) | 2020-11-27 |
| CN111993294B (en) | 2022-04-15 |
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