CN110238766A - A kind of skive and preparation method thereof - Google Patents
A kind of skive and preparation method thereof Download PDFInfo
- Publication number
- CN110238766A CN110238766A CN201910490129.8A CN201910490129A CN110238766A CN 110238766 A CN110238766 A CN 110238766A CN 201910490129 A CN201910490129 A CN 201910490129A CN 110238766 A CN110238766 A CN 110238766A
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- CN
- China
- Prior art keywords
- skive
- parts
- modified filler
- sol
- obtains
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B24D3/02—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
- B24D3/20—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 organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- 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
- B24D3/344—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 the bonding agent being organic
-
- 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
- B24D3/346—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 utilised during polishing, or grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of skive and preparation method thereof, the raw material of the skive includes: diamond abrasive, resinoid bond, composite modified filler, toughener and dehydrated alcohol；The diamond abrasive is surface-treated by 5-10wt.% TiO 2 sol；The composite modified filler is to be obtained using surface modifier to the mixture modification of flaky graphite, silicon carbide, zinc oxide and chromium oxide.The present invention effectively improves the wetability under the hydrophily and hot conditions of diamond with bonding agent by the way that composite modified filler is modified and be added to diamond base-material；The compound resin bonding agent of selection, can greatly strengthen the binding force between diamond abrasive and bonding agent, make that bonding agent is not easy to break, falls off, and wheel strength obtained is high.
Description
Technical field
The invention belongs to diamond tool technical fields, and in particular to a kind of skive and preparation method thereof.
Background technique
With being constantly progressive for precision processing technology, it is widely used to respectively using the grinding technique of skive
The corase grinding and precision grinding process of class material, which, which has become, realizes accurate and superfinishing in modern mechanical manufacturing field
Close to process effective and widely used basic fundamental, the Ultra-precision Turning for high-precision, great surface quality workpiece is laid a good foundation.
Corresponding to be, high-performance, high automation grinding machine equipment are to using the performance requirements of the grinding tools such as grinding wheel also increasingly
It is high.
Diamond is to be currently known the highest substance of hardness, and the grinding performance of Yao Fahui diamond usually need to be by combination
Agent and other auxiliary materials are prepared into the grinding tool with certain specification, performance and purposes.Ceramic bond diamond grinding tool
Due to having many advantages, such as good heat-resisting, water-fast, oil resistant, acid and alkali-resistance and grinding tool shape retention is good, grinding efficiency is high, in machine
Tool manufacture field has important application value and wide application prospect.But in grinding tool preparation process, on the one hand due to artificial
Diamond abrasive oxidation resistance temperature is relatively low, and vitrified bonded grinding tool easily causes the decline of diamond intensity when being sintered；It is another
Aspect is then that the diamond abrasive surface of covalent bond form is not easy to be melted the vitrified bond of state and is soaked, and is caused between the two
Binding force is weaker, and above-mentioned two aspects reason all has an adverse effect to grinding tool overall performance.
Summary of the invention
The object of the present invention is to provide a kind of skives and preparation method thereof.
A kind of skive, raw material include: 100-150 parts of diamond abrasive in parts by weight, resinoid bond 10-15
Part, composite modified filler 2-5 parts, 1-2 parts and dehydrated alcohol 3-5 parts of toughener；
The diamond abrasive is surface-treated by TiO 2 sol；
The composite modified filler is using mixing of the surface modifier to flaky graphite, silicon carbide, zinc oxide and chromium oxide
Object modification obtains.
Further, the resinoid bond is phenolic resin, polyimide resin, nano silicon dioxide sol and nanometer
Alumina sol mixture.
Further, surface modifier, flaky graphite, silicon carbide, zinc oxide and oxidation in the composite modified filler
The weight ratio of chromium is 0.1-0.3:3-10:1-2:2-5:1-3.
Further, the surface modifier is the composition of silane coupling agent and ethylene bis stearamide, the use of the two
Amount is than being 1:1-1:5.
Further, the toughener is selected from carboxyl-terminated liguid nitrile rubber, polyvinyl alcohol or polyvinyl butyral.
The preparation method of above-mentioned skive, comprising the following steps:
Step 1, diamond base-material powder is added in TiO 2 sol, after ultrasonic disperse, stands and be swollen, crushed after being dried,
Obtain diamond abrasive；
Step 2, flaky graphite, silicon carbide, zinc oxide and chromium oxide are mixed, surface modifier is added, grinding obtains compound
Modified filler；
Step 3, by phenolic resin, polyimide resin, nano silicon dioxide sol and nano alumina sol by weight 1:
1:1:1 mixing, obtains resinoid bond；
Step 4, diamond abrasive, resinoid bond, composite modified filler, toughener and dehydrated alcohol are mixed, are stirred evenly,
Obtain grinding wheel material；
Step 5, grinding wheel material is poured into grinding wheel die, compression moulding obtains green body, is sintered, obtains skive.
Further, static conditions are 25-30 DEG C, 3-5h in step 1, and drying condition is 800-1000 DEG C, 10-15min.
The present invention effectively improves diamond by the way that composite modified filler is modified and be added to diamond base-material
Under hydrophily and hot conditions with the wetability of bonding agent；The compound resin bonding agent of selection, can greatly strengthen diamond
Binding force between abrasive material and bonding agent, makes that bonding agent is not easy to break, falls off, and wheel strength obtained is high.
Specific embodiment
Technical solution of the present invention is further analysed combined with specific embodiments below.
Embodiment 1
The preparation method of skive, comprising the following steps:
Step 1, diamond base-material powder is added in TiO 2 sol, the dosage of TiO 2 sol is diamond base stock powder
The 5wt.% of body, after ultrasonic disperse, 25-30 DEG C of standing 3-5h swelling crushes after 800-1000 DEG C of dry 10-15min, obtains gold
Hard rock abrasive material；
Step 2, flaky graphite, silicon carbide, zinc oxide and chromium oxide are mixed, surface modifier, surface modifier, squama is added
Flake graphite, silicon carbide, zinc oxide and chromium oxide weight ratio be 0.1:5:1:3:1, grinding obtains composite modified filler；
Step 3, by phenolic resin, polyimide resin, nano silicon dioxide sol and nano alumina sol by weight 1:
1:1:1 mixing, obtains resinoid bond；
Step 4, in parts by weight, by 100 parts of diamond abrasive, 10 parts of resinoid bond, 2 parts of composite modified filler, toughener
1 part and 3 parts of dehydrated alcohol mixing of carboxyl-terminated liguid nitrile rubber, stirs evenly, obtains grinding wheel material；
Step 5, grinding wheel material is poured into grinding wheel die, compression moulding obtains green body, is sintered, obtains skive.
Use three-point bending resistance intensity method in SKZ-500 type digital display folding resistant test device test grinding wheel bending strength for 96.2MPa；
The Rockwell hardness for using HR-150DT Rockwell hardness instrument measurement grinding wheel for 105.2HPB(pressure head is hardened steel ball, and diameter is
1.59mm, load 980N)；Load using three-point bending method, when being fractureed using universal testing machine measurement skive
Lotus, it is 493 MPa that flexural strength, which is calculated,；XJ-300A type shock machine is used to measure impact strength as 17.83kJ/m2；
Surface roughness is 0.84 μm.
Embodiment 2
The preparation method of skive, comprising the following steps:
Step 1, diamond base-material powder is added in TiO 2 sol, the dosage of TiO 2 sol is diamond base stock powder
The 8wt.% of body, after ultrasonic disperse, 25-30 DEG C of standing 3-5h swelling crushes after 800-1000 DEG C of dry 10-15min, obtains gold
Hard rock abrasive material；
Step 2, flaky graphite, silicon carbide, zinc oxide and chromium oxide are mixed, surface modifier, surface modifier, squama is added
Flake graphite, silicon carbide, zinc oxide and chromium oxide weight ratio be 0.2:8:2:4:2, grinding obtains composite modified filler；
Step 3, by phenolic resin, polyimide resin, nano silicon dioxide sol and nano alumina sol by weight 1:
1:1:1 mixing, obtains resinoid bond；
Step 4, in parts by weight, by 120 parts of diamond abrasive, 12 parts of resinoid bond, 4 parts of composite modified filler, toughener
2 parts and 4 parts of dehydrated alcohol mixing of polyvinyl alcohol, stir evenly, obtain grinding wheel material；
Step 5, grinding wheel material is poured into grinding wheel die, compression moulding obtains green body, is sintered, obtains skive.
Use three-point bending resistance intensity method in SKZ-500 type digital display folding resistant test device test grinding wheel bending strength for 98.1MPa；
The Rockwell hardness for using HR-150DT Rockwell hardness instrument measurement grinding wheel for 110.7HPB(pressure head is hardened steel ball, and diameter is
1.59mm, load 980N)；Load using three-point bending method, when being fractureed using universal testing machine measurement skive
Lotus, it is 487 MPa that flexural strength, which is calculated,；XJ-300A type shock machine is used to measure impact strength as 18.13kJ/m2；
Surface roughness is 0.89 μm.
Embodiment 3
The preparation method of skive, comprising the following steps:
Step 1, diamond base-material powder is added in TiO 2 sol, the dosage of TiO 2 sol is diamond base stock powder
The 8wt.% of body, after ultrasonic disperse, 25-30 DEG C of standing 3-5h swelling crushes after 800-1000 DEG C of dry 10-15min, obtains gold
Hard rock abrasive material；
Step 2, flaky graphite, silicon carbide, zinc oxide and chromium oxide are mixed, surface modifier, surface modifier, squama is added
Flake graphite, silicon carbide, zinc oxide and chromium oxide weight ratio be 0.2:6:2:4:3, grinding obtains composite modified filler；
Step 3, by phenolic resin, polyimide resin, nano silicon dioxide sol and nano alumina sol by weight 1:
1:1:1 mixing, obtains resinoid bond；
Step 4, in parts by weight, by 150 parts of diamond abrasive, 12 parts of resinoid bond, 4 parts of composite modified filler, toughener 1
Part and 5 parts of dehydrated alcohol mixing, stir evenly, obtain grinding wheel material；
Step 5, grinding wheel material is poured into grinding wheel die, compression moulding obtains green body, is sintered, obtains skive.
Use three-point bending resistance intensity method in SKZ-500 type digital display folding resistant test device test grinding wheel bending strength for 98.9MPa；
The Rockwell hardness for using HR-150DT Rockwell hardness instrument measurement grinding wheel for 103.5HPB(pressure head is hardened steel ball, and diameter is
1.59mm, load 980N)；Load using three-point bending method, when being fractureed using universal testing machine measurement skive
Lotus, it is 476MPa that flexural strength, which is calculated,；XJ-300A type shock machine is used to measure impact strength as 16.58kJ/m2；
Surface roughness is 0.79 μm.
Claims (7)
1. a kind of skive, it is characterised in that: raw material includes: 100-150 parts of diamond abrasive in parts by weight, resin knot
10-15 parts of mixture, composite modified filler 2-5 parts, 1-2 parts and dehydrated alcohol 3-5 parts of toughener；
The diamond abrasive is surface-treated by 5-10wt.% TiO 2 sol；
The composite modified filler is using mixing of the surface modifier to flaky graphite, silicon carbide, zinc oxide and chromium oxide
Object modification obtains.
2. skive according to claim 1, it is characterised in that: the resinoid bond is phenolic resin, polyamides
Imide resin, nano silicon dioxide sol and nano alumina sol mixture.
3. skive according to claim 1, it is characterised in that: surface modifier in the composite modified filler,
Flaky graphite, silicon carbide, zinc oxide and chromium oxide weight ratio be 0.1-0.3:3-10:1-2:2-5:1-3.
4. skive according to claim 3, it is characterised in that: the surface modifier is silane coupling agent and second
The composition of bis-stearamides is supportted, the amount ratio of the two is 1:1-1:5.
5. skive according to claim 1, it is characterised in that: the toughener is selected from carboxyl end group liquid butyronitrile rubber
Glue, polyvinyl alcohol or polyvinyl butyral.
6. the preparation method of skive described in claim 1, it is characterised in that: the following steps are included:
Step 1, diamond base-material powder is added in TiO 2 sol, after ultrasonic disperse, stands and be swollen, crushed after being dried,
Obtain diamond abrasive；
Step 2, flaky graphite, silicon carbide, zinc oxide and chromium oxide are mixed, surface modifier is added, grinding obtains compound
Modified filler；
Step 3, by phenolic resin, polyimide resin, nano silicon dioxide sol and nano alumina sol by weight 1:
1:1:1 mixing, obtains resinoid bond；
Step 4, diamond abrasive, resinoid bond, composite modified filler, toughener and dehydrated alcohol are mixed, are stirred evenly,
Obtain grinding wheel material；
Step 5, grinding wheel material is poured into grinding wheel die, compression moulding obtains green body, is sintered, obtains skive.
7. preparation method according to claim 6, it is characterised in that: static conditions are 25-30 DEG C, 3-5h in step 1, are done
Dry condition is 800-1000 DEG C, 10-15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490129.8A CN110238766A (en) | 2019-06-06 | 2019-06-06 | A kind of skive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490129.8A CN110238766A (en) | 2019-06-06 | 2019-06-06 | A kind of skive and preparation method thereof |
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| CN110238766A true CN110238766A (en) | 2019-09-17 |
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ID=67886336
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| CN201910490129.8A Pending CN110238766A (en) | 2019-06-06 | 2019-06-06 | A kind of skive and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948409A (en) * | 2019-12-26 | 2020-04-03 | 惠安宇信金刚石工具有限公司 | Diamond metal bonding agent part and integral forming manufacturing method and application thereof |
| CN112497087A (en) * | 2020-11-30 | 2021-03-16 | 柳州华锡有色设计研究院有限责任公司 | Bronze-based diamond grinding wheel with high bending strength and preparation method thereof |
| CN112497088A (en) * | 2020-11-30 | 2021-03-16 | 柳州华锡有色设计研究院有限责任公司 | Sharp wear-resistant bronze-based diamond grinding wheel and preparation method thereof |
| CN114131520A (en) * | 2021-12-09 | 2022-03-04 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel for highlight cutter machining, and preparation method and application thereof |
| CN115338783A (en) * | 2022-08-03 | 2022-11-15 | 莆田市屹立砂轮磨具有限公司 | Grinding wheel grinding tool with long service life and preparation process thereof |
| CN115366013A (en) * | 2022-04-02 | 2022-11-22 | 珠海市世创金刚石工具制造有限公司 | Bismaleimide resin grinding wheel for dry grinding |
| CN116551584A (en) * | 2023-05-08 | 2023-08-08 | 海安玻克超硬材料有限公司 | High-strength phenolic resin binder diamond grinding wheel |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948409A (en) * | 2019-12-26 | 2020-04-03 | 惠安宇信金刚石工具有限公司 | Diamond metal bonding agent part and integral forming manufacturing method and application thereof |
| CN112497087A (en) * | 2020-11-30 | 2021-03-16 | 柳州华锡有色设计研究院有限责任公司 | Bronze-based diamond grinding wheel with high bending strength and preparation method thereof |
| CN112497088A (en) * | 2020-11-30 | 2021-03-16 | 柳州华锡有色设计研究院有限责任公司 | Sharp wear-resistant bronze-based diamond grinding wheel and preparation method thereof |
| CN112497087B (en) * | 2020-11-30 | 2022-12-09 | 柳州华锡有色设计研究院有限责任公司 | Bronze-based diamond grinding wheel with high bending strength and preparation method thereof |
| CN114131520A (en) * | 2021-12-09 | 2022-03-04 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel for highlight cutter machining, and preparation method and application thereof |
| CN115366013A (en) * | 2022-04-02 | 2022-11-22 | 珠海市世创金刚石工具制造有限公司 | Bismaleimide resin grinding wheel for dry grinding |
| CN115366013B (en) * | 2022-04-02 | 2023-12-08 | 珠海市世创金刚石工具制造有限公司 | Double-horse polyimide resin grinding wheel for dry grinding |
| CN115338783A (en) * | 2022-08-03 | 2022-11-15 | 莆田市屹立砂轮磨具有限公司 | Grinding wheel grinding tool with long service life and preparation process thereof |
| CN115338783B (en) * | 2022-08-03 | 2024-04-16 | 莆田市屹立砂轮磨具有限公司 | Grinding wheel grinding tool with long service life and preparation process thereof |
| CN116551584A (en) * | 2023-05-08 | 2023-08-08 | 海安玻克超硬材料有限公司 | High-strength phenolic resin binder diamond grinding wheel |
| CN116551584B (en) * | 2023-05-08 | 2023-12-01 | 海安玻克超硬材料有限公司 | Preparation process of high-strength phenolic resin binder diamond grinding wheel |
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Application publication date: 20190917 |