CN109822466A - A kind of high-intensity and high-tenacity wheel ceramic bonding agent and its application - Google Patents
A kind of high-intensity and high-tenacity wheel ceramic bonding agent and its application Download PDFInfo
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- CN109822466A CN109822466A CN201910305597.3A CN201910305597A CN109822466A CN 109822466 A CN109822466 A CN 109822466A CN 201910305597 A CN201910305597 A CN 201910305597A CN 109822466 A CN109822466 A CN 109822466A
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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
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Abstract
The present invention relates to a kind of high-intensity and high-tenacity wheel ceramic bonding agent and its applications comprising following steps: mixing silica, diboron trioxide, aluminium oxide, lithia, sodium oxide molybdena, calcium oxide, zinc oxide, barium monoxide, titanium dioxide obtain batch；Batch is warming up to 600 DEG C with 6~9 DEG C/min of heating rate；Then 1200 DEG C are warming up to 3~6 DEG C/min of heating rate；Then 1450 DEG C are warming up to 2~3 DEG C/min of heating rate；Then it keeps the temperature；Then SG abrasive material is added, continues heat preservation and obtains melt；Wet-milling will be carried out after melt water quenching, then dries, crushes, crossing 200 meshes acquisition high-intensity and high-tenacity wheel ceramic bonding agent after dry grinding.The present invention is with crystallite toughening and Al2O3Improve vitrified bond preparation method as theoretical foundation as network intermediate reinforcing glass network structure, vitrified bond obtained has the characteristics that intensity height, good toughness, and the preparation for meeting CBN grinding wheel uses.
Description
The present invention is entitled a kind of high-intensity and high-tenacity wheel ceramic bonding agent and the preparation method and application thereof, Shen
Please number be 2017103937274, the divisional application that the applying date is the May in 2017 of patent application on the 27th, be product technology part.
Technical field
The invention belongs to wheel ceramic bonding agent fields, and in particular to a kind of high-intensity and high-tenacity wheel ceramic bonding agent and
Preparation method and application.
Background technique
CBN grinding wheel mainly has resin-based prototyping composites, Metal-bonded CBN grinding wheel, Vitrified Bond CBN Grinding Wheel.By
The characteristic possessed by CBN abrasive material (hardness height, good toughness, wearability are good, thermal stability is good, not affinity for iron), make CBN grinding wheel at
For grinding ferrous material, hard alloy, powder part ideal tools, it is not only high-efficient, precision is high, and roughness
Good, grinding tool consumption less, long service life, while can also improve working conditions.With the development of modernization industry, science and technology, CBN sand
Wheel using increasingly extensive, especially in metal material workpiece (such as piston, cylinder cap, cylinder, universal joint, bearing, the cunning of high Fe content
Piece etc.) preferably cutting, grinding performance are embodied in processing, the production scale of CBN grinding wheel also gradually expands, shows good
Market development prospect.
The bonding agent that the preparation of CBN grinding wheel uses mainly has resinoid bond, vitrified bond, three kinds of metallic bond.Mesh
Before, it is resin bond wheel and metal bonded wheel that domestic and international market is most common and widely used, but resinoid bond
Heat resistance, water resistance and resistance to ag(e)ing are poor, cause the durability of resin bond wheel poor, and processing efficiency is low for grinding wheel,
Abrasion is big, and frequently, the size distribution of workpieces processing is big, process tool unstable quality, while metal bonding for finishing and replacement
The close structure of agent CBN grinding wheel, finishing is difficult, and the stomata in grinding tool is few, the self-sharpening of Grinding Process medium plain emery wheel is poor, cutting edge of a knife or a sword
Benefit is poor, is easy blocking and fever, is easy to generate workpiece the physical damnifications such as impact, burn.And currently, domestic market ceramic junction
Mixture grinding wheel demand is larger, most of to meet industrial production demand, while domestic vitrified bonded grinding wheel by external import
Performance indicator and external product comparatively, the space that the research and development technology of vitrified bond still has a distinct increment.
Summary of the invention
The purpose of the present invention is to provide a kind of high-intensity and high-tenacity wheel ceramic bonding agents and preparation method thereof.This method
The vitrified bond of preparation has the characteristics that high-intensity and high-tenacity, and the preparation for meeting CBN grinding wheel uses, the ceramic junction thus prepared
There is controllable stomata in mixture CBN grinding wheel, be conducive to cooling and chip removal, when grinding is not easy to plug, and is not easy workpiece of burning, has preferably
Self-sharpening, grinding wheel shape retentivity is good, easily finishing and currying work every longer.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of high-intensity and high-tenacity wheel ceramic knot
The preparation method of mixture, includes the following steps:
(1) silica, diboron trioxide, aluminium oxide, lithia, sodium oxide molybdena, calcium oxide, zinc oxide, barium monoxide, dioxy are mixed
Change titanium, obtains batch；
(2) batch of step (1) is warming up to 600 DEG C with 6~9 DEG C/min of heating rate；Then with 3~6 DEG C/min
Heating rate be warming up to 1200 DEG C；Then 1450 DEG C are warming up to 2~3 DEG C/min of heating rate；Then it keeps the temperature；Then
SG abrasive material is added, continues heat preservation and obtains melt；
(3) wet-milling will be carried out after the melt water quenching of step (2), then crosses 200 meshes after drying, crushing, dry grinding and obtains high intensity
High tenacity wheel ceramic bonding agent.
In above-mentioned technical proposal, in step (1), silica, diboron trioxide, aluminium oxide, lithia, sodium oxide molybdena, oxygen
Change calcium, zinc oxide, barium monoxide, titanium dioxide mass ratio be (48~75): (5~30): (3~15): (1~8): (1~8):
(2~11): (0.8~4): (0.8~3.5): (0.8~6).
In above-mentioned technical proposal, in step (2), the dosage of SG abrasive material is the 1% of Glass Batch Quality；The grain of the SG abrasive material
Diameter limits SG abrasive grain and avoids so that the reaction process of SG abrasive material and high temperature solution is controlled less than 320 mesh, the present invention
Finally destroy the uniformity of binder structure and performance.
In above-mentioned technical proposal, in step (2), soaking time is 1 hour, is for the abundant high temperature homogenizing of melt；Continue
Soaking time is 1 hour, is to guarantee that the abrasive material individual particle part SG is bonded with the melting of high temperature solution；The present invention limits heat preservation
Time avoids SG abrasive material that from being melted in high temperature solution completely, does not have the optimum efficiency to bonding agent strength enhancing.
The invention also discloses the grinding wheels prepared according to the preparation method of above-mentioned high-intensity and high-tenacity wheel ceramic bonding agent
Vitrified bond.And above-mentioned wheel ceramic bonding agent is preparing the application in grinding wheel；Vitrified bond disclosed by the invention is special
Not Shi Yongyu CBN grinding wheel preparation use.
The present invention further discloses a kind of CBN grinding wheel, prepared by the wheel ceramic bonding agent as described in abrasive material and claim 5
It obtains；The abrasive material includes CBN abrasive material.
In above-mentioned technical proposal, when preparing grinding wheel, sintering temperature is 920~1000 DEG C.
The present invention carries out burdening calculation with above-mentioned oxide component content, is introduced respectively with raw mineral materials and industrial chemicals each
Kind oxide, and weighed, mixed, obtain batch；With crystallite toughening and Al2O3As network intermediate reinforcing glass
Network structure improves vitrified bond, and vitrified bond obtained has the characteristics that intensity height, good toughness, meets CBN grinding wheel
Preparation use.
The present invention melts batch in high temperature furnace, is heated up before 600 DEG C with 6~9 DEG C/min；600~
It is heated up in 1200 DEG C with 3~6 DEG C/min；It is heated up in 1200~1450 DEG C with 2~3 DEG C/min；When being kept the temperature at 1450 DEG C
Between be to continue to be uniformly added into 320 mesh SG abrasive materials (SG abrasive material and Glass Batch Quality ratio be 1:100) after 1 hour into melt, after
Temperature of continuing insurance progress clarification and homogenization in 1 hour.The process characteristic strong operability, stability is good, is conducive to production structure and performance is steady
Fixed reliable vitrified bond；Especially the present invention limits melting process, the synthesis and ubiquit being not only conducive between each component, but also
Vitrified bond of preparation itself has the characteristics that hardness height, great thermotolerance, self-sharpening are good, sharp, therefore, can not have to frequently more
It changes freeing wheel and greatly improves the service life and processing efficiency of freeing wheel.
The present invention will be put into wet-milling in ball mill after melt water quenching, is put into baking oven and dries, crosses 200 meshes after crushing dry grinding
Powder needed for obtaining, as vitrified bond.The wet-grinding technology and relative device that this method uses is conducive to produce size distribution concentration, grain
Spend the controllable vitrified bond powder of shape, size.
Vitrified bond of the present invention, it is stable processing technique, simple, science, controllable, it can effectively save production
Cost, stabilized product quality.
The vitrified bond particle diameter distribution uniform concentration of the method for the present invention preparation, sintering temperature are 920 DEG C~1000 DEG C, are burnt
Vitrified bond flexural strength is greater than 100MPa after knot, and thermal expansion coefficient is 5.5~6.5 × 10-6/ DEG C, intensity is high, holding power
By force, the features such as good toughness.
In the vitrified bond of the method for the present invention preparation, silica is mainly that vitrified bond is provided by oxygen-octahedron
The body frame structure of composition；Titanium oxide, lithia are as Nucleating Agent；Since zinc oxide and subsequent addition SG being added in basic material
Abrasive material increases the specific surface area of integrated powder, i.e. apparent activation energy, thus reduce the sintering temperature of vitrified bond, i.e., it is resistance to
Fiery degree, and enhance the intensity of the vitrified bond, overcome the prior art to also improve pottery while increasing vitrified bond intensity
The problem of porcelain bonding agent refractoriness；The present invention can reduce pottery by the ratio of silica, boron oxide, barium monoxide, lithia
The thermal expansion coefficient of porcelain bonding agent, so that the thermal expansion coefficient for reaching sintered vitrified bond and abrasive material matches；This hair
Bright middle each component ratio is reasonable, is conducive to be sufficiently mixed uniformly, can be abundant in the sintering process of manufacture grinding tool from now on
Ground participates in reaction, improves the uniformity of each position vitrified bond reaction of grinding tool.
Vitrified bond prepared by the present invention is prepared especially suitable for CBN grinding wheel and is used；Thus the vitrified bond CBN sand prepared
There is controllable stomata in wheel, is conducive to cooling and chip removal, when grinding, is not easy to plug, and it is not easy workpiece of burning, there is preferable self-sharpening,
Grinding wheel shape retentivity is good, easily modifies and currying work is every longer.
Specific embodiment
For a better understanding of the present invention, below with reference to the embodiment content that the present invention is furture elucidated, and with it is existing at
Ripe product compares.
Embodiment one
A kind of method of high-intensity and high-tenacity wheel ceramic bonding agent, includes the following steps:
1) selection of raw material: the basic compositing range of vitrified bond used in the present invention is shown in Table 1:
The composition mass fraction substantially of table 1
| Oxide | SiO2 | B2O3 | Al2O3 | Li2O | Na2O | CaO | ZnO | BaO | TiO2 | It amounts to |
| Mass fraction | 60 | 15 | 5 | 6 | 3 | 5 | 2 | 2 | 2 | 100 |
Burdening calculation is carried out with the constituent content in table 1, introduces various oxide (purity with raw mineral materials and industrial chemicals respectively
It greater than 99%), and weighed, mixed, obtain batch.Feed proportioning list is shown in Table 2.
2) batch in step 1) is melted in high temperature furnace, is heated up before 600 DEG C with 6 DEG C/min；?
It is heated up in 600~1200 DEG C with 5 DEG C/min；It is heated up in 1200~1450 DEG C with 3 DEG C/min；The soaking time at 1450 DEG C
Be continue to be uniformly added into melt after 1 hour 320 mesh SG abrasive materials (the Glass Batch Quality ratio in SG abrasive material and step 1) is 1:
100), continue to keep the temperature progress clarification and homogenization in 1 hour.
3) it will be put into wet-milling in ball mill after the resulting melt water quenching of step 2, be put into baking oven after drying, crushing dry grinding
The powder needed for 200 meshes obtain is crossed, is vitrified bond.
To vitrified bond performance detection of the present invention, optimal sintering temperature is about in 980 DEG C or so, thermal expansion coefficient
6.5×10-6/ DEG C, flexural strength is about 126MPa, and bonding agent intensity is high, holding power performance is preferable.
Above-mentioned bonding agent is mixed with CBN abrasive material, 980 DEG C of sintering prepare CBN inner circle grinding wheel, have controllable gas in grinding wheel
Hole, is conducive to cooling and chip removal, and when grinding is not easy to plug, and is not easy workpiece of burning, there is preferable self-sharpening, easily finishing and currying work
Every longer；When the vitrified bond is used to be applied to vitrified bond CBN inner circle grinding wheel processing compressor air-conditioning piston product, add
Work stay in grade, ten thousand product processing are indefectible；Currying work processes life-span upgrading 48% every promoting 48%.
If SG abrasive material is not added, thermal expansion coefficient is about 7.5 × 10-6/ DEG C, flexural strength is about 83MPa, the sand of preparation
It is poor to take turns intensity, grinding wheel is easy to appear sand fallout when processing linear velocity is higher, and processing quality is abnormal.
Embodiment two
A kind of method of high-intensity and high-tenacity wheel ceramic bonding agent, it includes the following steps:
1) selection of raw material: the basic compositing range of vitrified bond used in the present invention is shown in Table 2:
2 mass fraction of table
| Oxide | SiO2 | B2O3 | Al2O3 | Li2O | Na2O | CaO | ZnO | BaO | TiO2 | It amounts to |
| Mass fraction | 55 | 15 | 8 | 6 | 3 | 5 | 3 | 2 | 3 | 100 |
Burdening calculation is carried out with the constituent content in table 2, various oxides is introduced with raw mineral materials and industrial chemicals respectively, goes forward side by side
Row is weighed, is mixed, and obtains batch.
2) batch in step 1) is melted in high temperature furnace, is heated up before 600 DEG C with 6 DEG C/min；?
It is heated up in 600~1200 DEG C with 5 DEG C/min；It is heated up in 1200~1450 DEG C with 3 DEG C/min；The soaking time at 1450 DEG C
Be continue to be uniformly added into melt after 1 hour 320 mesh SG abrasive materials (the Glass Batch Quality ratio in SG abrasive material and step 1) is 1:
100), continue to keep the temperature progress clarification and homogenization in 1 hour.
3) it will be put into wet-milling in ball mill after the resulting melt water quenching of step 2, be put into baking oven after drying, crushing dry grinding
The powder needed for 200 meshes obtain is crossed, is vitrified bond.
To vitrified bond performance detection of the present invention, optimal sintering temperature is about in 960 DEG C or so, thermal expansion coefficient
6.1×10-6/ DEG C, flexural strength is about 117MPa, and bonding agent intensity is high, holding power performance is preferable.By above-mentioned bonding agent and CBN
Abrasive material mixing, 960 DEG C of sintering prepare CBN inner circle grinding wheels, have controllable stomata in grinding wheel, are conducive to cool down and chip removal, when grinding
It is not easy to plug, is not easy workpiece of burning, there is preferable self-sharpening, easily modify and currying work is every longer；The vitrified bond is for answering
When processing compressor air-conditioning cylinder product for vitrified bond CBN inner circle grinding wheel, processing quality is stablized, and ten thousand products process nothing
Flaw；Currying work processes life-span upgrading 40% every promoting 40%.
If SG abrasive material is not added, thermal expansion coefficient is about 7.2 × 10-6/ DEG C, flexural strength is about 75MPa, the sand of preparation
It is poor to take turns intensity, grinding wheel is easy to appear sand fallout when processing linear velocity is higher, and processing quality is abnormal.
Embodiment three
A kind of method of high-intensity and high-tenacity wheel ceramic bonding agent, it includes the following steps:
1) selection of raw material: the basic compositing range of vitrified bond used in the present invention is shown in Table 3:
3 mass fraction of table
| Oxide | SiO2 | B2O3 | Al2O3 | Li2O | Na2O | CaO | ZnO | BaO | TiO2 | It amounts to |
| Mass fraction | 50 | 15 | 13 | 6 | 3 | 5 | 2 | 2 | 4 | 100 |
Burdening calculation is carried out with the constituent content in table 3, various oxides is introduced with raw mineral materials and industrial chemicals respectively, goes forward side by side
Row is weighed, is mixed, and obtains batch.
2) batch in step 1) is melted in high temperature furnace, is heated up before 600 DEG C with 6 DEG C/min；?
It is heated up in 600~1200 DEG C with 5 DEG C/min；It is heated up in 1200~1450 DEG C with 3 DEG C/min；The soaking time at 1450 DEG C
Be continue to be uniformly added into melt after 1 hour 320 mesh SG abrasive materials (the Glass Batch Quality ratio in SG abrasive material and step 1) is 1:
100), continue to keep the temperature progress clarification and homogenization in 1 hour.
3) it will be put into wet-milling in ball mill after the resulting melt water quenching of step 2, be put into baking oven after drying, crushing dry grinding
The powder needed for 200 meshes obtain is crossed, is vitrified bond.
To vitrified bond performance detection of the present invention, optimal sintering temperature is about in 930 DEG C or so, thermal expansion coefficient
5.6×10-6/ DEG C, flexural strength is about 108MPa, and bonding agent intensity is high, holding power performance is preferable.By above-mentioned bonding agent and CBN
Abrasive material mixing, 930 DEG C of sintering prepare CBN inner circle grinding wheels, have controllable stomata in grinding wheel, are conducive to cool down and chip removal, when grinding
It is not easy to plug, is not easy workpiece of burning, there is preferable self-sharpening, easily modify and currying work is every longer；The vitrified bond is for answering
When processing compressor air-conditioning cylinder cap product for vitrified bond CBN inner circle grinding wheel, processing quality is stablized, and ten thousand products process nothing
Flaw；Currying work processes life-span upgrading 35% every promoting 35%.
If SG abrasive material is not added, thermal expansion coefficient is about 7.1 × 10-6/ DEG C, flexural strength is about 71MPa, the sand of preparation
It is poor to take turns intensity, grinding wheel is easy to appear sand fallout when processing linear velocity is higher, and processing quality is abnormal.
Claims (7)
1. a kind of high-intensity and high-tenacity wheel ceramic bonding agent, which is characterized in that the high-intensity and high-tenacity wheel ceramic combines
The preparation method of agent includes the following steps:
(1) silica, diboron trioxide, aluminium oxide, lithia, sodium oxide molybdena, calcium oxide, zinc oxide, barium monoxide, dioxy are mixed
Change titanium, obtains batch；
(2) batch of step (1) is warming up to 600 DEG C with 6~9 DEG C/min of heating rate；Then with 3~6 DEG C/min
Heating rate be warming up to 1200 DEG C；Then 1450 DEG C are warming up to 2~3 DEG C/min of heating rate；Then it keeps the temperature；Then
SG abrasive material is added, continues heat preservation and obtains melt；
(3) wet-milling will be carried out after the melt water quenching of step (2), then crosses 200 meshes after drying, crushing, dry grinding and obtains high intensity
High tenacity wheel ceramic bonding agent.
2. high-intensity and high-tenacity wheel ceramic bonding agent according to claim 1, which is characterized in that in step (1), titanium dioxide
Silicon, diboron trioxide, aluminium oxide, lithia, sodium oxide molybdena, calcium oxide, zinc oxide, barium monoxide, titanium dioxide mass ratio be (48
~75): (5~30): (3~15): (1~8): (1~8): (2~11): (0.8~4): (0.8~3.5): (0.8~6).
3. high-intensity and high-tenacity wheel ceramic bonding agent according to claim 1, which is characterized in that in step (2), SG abrasive material
Dosage be Glass Batch Quality 1%；The partial size of the SG abrasive material is less than 320 mesh.
4. high-intensity and high-tenacity wheel ceramic bonding agent according to claim 1, which is characterized in that in step (2), when heat preservation
Between be 1 hour；Continuing soaking time is 1 hour.
5. wheel ceramic bonding agent described in claim 1 is preparing the application in grinding wheel.
6. applying according to claim 5, which is characterized in that the grinding wheel is CBN grinding wheel.
7. applying according to claim 5, which is characterized in that when preparing grinding wheel, sintering temperature is 920~1000 DEG C.
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| CN201910305597.3A CN109822466B (en) | 2017-05-27 | 2017-05-27 | High-strength high-toughness grinding wheel ceramic bond and application thereof |
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| CN201910305597.3A CN109822466B (en) | 2017-05-27 | 2017-05-27 | High-strength high-toughness grinding wheel ceramic bond and application thereof |
| CN201710393727.4A CN107053022B (en) | 2017-05-27 | 2017-05-27 | A kind of high-intensity and high-tenacity wheel ceramic bonding agent and the preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111002235A (en) * | 2019-12-24 | 2020-04-14 | 江苏锋芒复合材料科技集团有限公司 | Preparation method of novel polymeric abrasive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107971937A (en) * | 2017-12-25 | 2018-05-01 | 沈阳中科超硬磨具磨削研究所 | A kind of vitrified CBN wheel bonding agent for harmonic reducer of robot |
| CN109465757A (en) * | 2018-10-31 | 2019-03-15 | 广东奔朗新材料股份有限公司 | A kind of vitrified bond and preparation method thereof and the application in CBN grinding wheel |
| 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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| CN111002235B (en) * | 2019-12-24 | 2021-12-14 | 江苏锋芒复合材料科技集团有限公司 | Preparation method of novel polymeric abrasive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107053022B (en) | 2019-05-10 |
| CN109822466B (en) | 2020-06-19 |
| CN107053022A (en) | 2017-08-18 |
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