CN108908141A - A kind of preparation method of vitrified bond - Google Patents

A kind of preparation method of vitrified bond Download PDF

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Publication number
CN108908141A
CN108908141A CN201810966247.7A CN201810966247A CN108908141A CN 108908141 A CN108908141 A CN 108908141A CN 201810966247 A CN201810966247 A CN 201810966247A CN 108908141 A CN108908141 A CN 108908141A
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CN
China
Prior art keywords
preparation
vitrified bond
nanometer
bonding agent
fritting
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.)
Pending
Application number
CN201810966247.7A
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Chinese (zh)
Inventor
吕升东
刘宏伟
刘星星
岳家兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENYANG ZONGKE SUPERHARD GRINDING TOOL GRINDING RESEARCH INSTITUTE
Original Assignee
SHENYANG ZONGKE SUPERHARD GRINDING TOOL GRINDING RESEARCH INSTITUTE
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Publication date
Application filed by SHENYANG ZONGKE SUPERHARD GRINDING TOOL GRINDING RESEARCH INSTITUTE filed Critical SHENYANG ZONGKE SUPERHARD GRINDING TOOL GRINDING RESEARCH INSTITUTE
Priority to CN201810966247.7A priority Critical patent/CN108908141A/en
Publication of CN108908141A publication Critical patent/CN108908141A/en
Pending legal-status Critical Current

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Classifications

    • 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

Abstract

The present invention discloses a kind of preparation method of vitrified bond, and chemical component is by weight：SiO245.5~65.5, Al2O34.5~10.5, B2O315~30.5, Li2O4.5~12.5, MgO0.5~2.5, CaCO30.5~3, nanometer Rb2CO30.1~4, nanometer Cs2CO30.5~4；Preparation method is as follows：(1) according to each raw material in above-mentioned formula according to weight ratio after mixing, in 1200-1450 DEG C of fritting 4-4.5h；(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the vitrified bond of required granularity can be obtained.Rare earth oxide, which is added, is remarkably reinforced vitrified bond to the Wet Out of abrasive material, can inhibit grain growth in heating process, keeps the microstructure of bonding agent finer and close；The rare earth oxide of incorporation can enter grain boundary glassy phase, can react with abrasive material, and enhancing bonding agent reaches the purpose for improving bonding agent flexural strength to the wetting capacity of abrasive material.

Description

A kind of preparation method of vitrified bond
Technical field
The invention belongs to ceramic abrasive tool manufacturing technology fields, and in particular to a kind of preparation method of vitrified bond.
Background technique
With rapid development scientific and technological in recent years, requirement on machining accuracy of the domestic machinery manufacturing industry to equipment and its components It is higher and higher, and be used for the service life and finishing the period it is also higher and higher, to make superhigh speed grinding grinding tool in industrial metaplasia Shared specific gravity is increasing in production.In actual production, in grinding wheel bonding agent performance to entire grinding tool grinding performance have to Important influence is closed, for example Wheel hardness and intensity are improved to the holding power of grinding tool abrasive material by improving bonding agent；According to mill Expect that high temperature is oxidizable, it can be by adjusting the proportion of ingredient in bonding agent, to reach the temperature for reducing grinding wheel component sintering process Purpose.
The development experience of vitrified bond is from traditional ceramics bonding agent, simple glass bonding agent and devitrified glass bonding agent Three phases.Devitrified glass ceramics bond preparation and application are referred in many documents at present, it has glass and pottery concurrently simultaneously The two-fold advantage of porcelain, so being commonly referred to as glass ceramics again.It is generally melted by the parent glass with definite composition or modeling Glass is formed under character state, or is pressed into the various shape to meet the requirements by glass powder, then has product at one The heat treatment process of control is sintered, and makes expected crystal phase nucleation and crystallization, and it is a kind of similar more for being finally converted into glass product The material of brilliant ceramics.The grinding wheel mobility and flexural strength of the bonding agent preparation of the prior art are difficult to meet the requirement of production.
Summary of the invention
Technical problem：The technical problem to be solved by the invention is to provide a kind of vitrified bond for high speed grinding wheel and Preparation method.
Technical solution：For the purpose of solving the above problems, main research has for grinding tool preparation compared with low frit the present invention The vitrified bond of temperature, high intensity, higher hardness, higher service life.
To achieve the above object, the present invention adopts the following technical solutions：
A kind of preparation method of vitrified bond, chemical component are by weight：SiO245.5~65.5, Al2O34.5 ~10.5, B2O315~30.5, Li2O4.5~12.5, MgO0.5~2.5, CaCO30.5~3, nanometer Rb2CO30.1~4, nanometer Cs2CO30.5~4；
Preparation method is as follows：
(1) according to each raw material in above-mentioned formula according to weight ratio after mixing, in 1200-1450 DEG C of fritting 4- 4.5h；
(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the pottery of required granularity can be obtained Porcelain bonding agent.
Optimal component is by gravity ratio：SiO255, Al2O34.55 B2O315~30.5, Li2O8, MgO2, CaCO32, it receives Rice Rb2CO33, nanometer Cs2CO33。
Best prefusing temperature is 1380-1385 DEG C, fritting 4.2h.
Beneficial effects of the present invention and feature
Rare earth oxide, which is added, is remarkably reinforced vitrified bond to the Wet Out of abrasive material, can inhibit crystalline substance in heating process Grain growth, keeps the microstructure of bonding agent finer and close；The rare earth oxide of incorporation can enter grain boundary glassy phase, can be with mill Material reacts, and enhancing bonding agent reaches the purpose for improving bonding agent flexural strength to the wetting capacity of abrasive material.The present invention Preferably solve the mobility and flexural strength of existing vitrified bond, respectively 135-155%, 80-125MPa, bonding agent It can be good at holding and infiltrate abrasive material, have thermal expansion coefficient small, and the feature close with the thermal expansion coefficient of abrasive material.
Each raw material is easy to obtain in the present invention, and preparation process is simple, use easy to promote large-scale.
Specific embodiment
In order to make the purpose of the present invention, technical solution and its effect more clear and definite, referring to embodiment to this Invention is further described.So far, this time described embodiment for explaining only the invention, is not used to limit this hair It is bright.
Embodiment 1
(1) according to gravity ratio by SiO245.5 Al2O38, B2O330.5 Li2O4.5, MgO1.5, CaCO30.5~3, nanometer Rb2CO34, nanometer Cs2CO30.5 after mixing, in 1300 DEG C of fritting 4.5h；
(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the pottery of required granularity can be obtained Porcelain bonding agent.
Mobility and flexural strength, respectively 130%, 92MPa
Embodiment 2
(1) according to gravity ratio by SiO265.5 Al2O34.5, B2O325, Li2O12.5, MgO0.5, CaCO33, nanometer Rb2CO34, nanometer Cs2CO30.5 after mixing, in 1300 DEG C of fritting 4.5h；
(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the pottery of required granularity can be obtained Porcelain bonding agent.
Mobility and flexural strength, respectively 145%, 101MPa
Embodiment 3
(1) according to gravity ratio by SiO255, Al2O310.5 B2O315, Li2O8, MgO2.5, CaCO30.5, nanometer Rb2CO32, nanometer Cs2CO34；After mixing, in 1200 DEG C of fritting 4.2h；
(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the pottery of required granularity can be obtained Porcelain bonding agent.
Mobility and flexural strength, respectively 135%, 80MPa/
Embodiment 4
(1) according to gravity ratio by SiO255, Al2O34.55 B2O315~30.5, Li2O8, MgO2, CaCO32, nanometer Rb2CO33, nanometer Cs2CO33。
After mixing, at 1380-1385 DEG C, fritting 4.2h.
(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the pottery of required granularity can be obtained Porcelain bonding agent.
Mobility and flexural strength, respectively 155%, 125MPa
It is seen compared with the data of three embodiments in front by embodiment 4, embodiment 4 is optimal component ratio and fritting temperature Degree and time.

Claims (3)

1. a kind of preparation method of vitrified bond, it is characterised in that：Its chemical component is by weight：SiO245.5~65.5, Al2O34.5~10.5, B2O315~30.5, Li2O4.5~12.5, MgO0.5~2.5, CaCO30.5~3, nanometer Rb2CO30.1 ~4, nanometer Cs2CO30.5~4；
Preparation method is as follows：
(1) according to each raw material in above-mentioned formula according to weight ratio after mixing, in 1200-1450 DEG C of fritting 4-4.5h；
(2) raw material water quenching, broken, grinding, the sieving after step (1) fritting are handled, the ceramic junction of required granularity can be obtained Mixture.
2. the preparation method of vitrified bond according to claim 1, it is characterised in that：Its chemical component is by weight For：SiO255, Al2O34.55 B2O315~30.5, Li2O8, MgO2, CaCO32, nanometer Rb2CO33, nanometer Cs2CO33。
3. the preparation method of vitrified bond according to claim 1, it is characterised in that：Prefusing temperature is 1380-1385 DEG C, fritting 4.2h.
CN201810966247.7A 2018-08-23 2018-08-23 A kind of preparation method of vitrified bond Pending CN108908141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810966247.7A CN108908141A (en) 2018-08-23 2018-08-23 A kind of preparation method of vitrified bond

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Application Number Priority Date Filing Date Title
CN201810966247.7A CN108908141A (en) 2018-08-23 2018-08-23 A kind of preparation method of vitrified bond

Publications (1)

Publication Number Publication Date
CN108908141A true CN108908141A (en) 2018-11-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU458427A1 (en) * 1973-01-22 1975-01-30 Институт химии и технологии редких элементов и минерального сырья Кольского филиала АН СССР Ceramic bond for making abrasive tools
JPH0716882B2 (en) * 1988-08-29 1995-03-01 株式会社ノリタケカンパニーリミテド Superabrasive Vitrified Wheel with Ceramic Sintering Holder
CN102009393A (en) * 2009-09-04 2011-04-13 沈阳中科超硬磨具磨削研究所 Preparation technology of high-speed grinding CBN (Cubic Boron Nitride) ceramic grinding wheel
CN102515478A (en) * 2011-12-13 2012-06-27 淄博钰晶新型材料科技有限公司 Method for producing microcrystalline foam insulating sheet material by utilizing feldspar
CN106116579A (en) * 2016-06-21 2016-11-16 天津大学 A kind of high-strength diamond based composite ceramic material
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU458427A1 (en) * 1973-01-22 1975-01-30 Институт химии и технологии редких элементов и минерального сырья Кольского филиала АН СССР Ceramic bond for making abrasive tools
JPH0716882B2 (en) * 1988-08-29 1995-03-01 株式会社ノリタケカンパニーリミテド Superabrasive Vitrified Wheel with Ceramic Sintering Holder
CN102009393A (en) * 2009-09-04 2011-04-13 沈阳中科超硬磨具磨削研究所 Preparation technology of high-speed grinding CBN (Cubic Boron Nitride) ceramic grinding wheel
CN102515478A (en) * 2011-12-13 2012-06-27 淄博钰晶新型材料科技有限公司 Method for producing microcrystalline foam insulating sheet material by utilizing feldspar
CN106116579A (en) * 2016-06-21 2016-11-16 天津大学 A kind of high-strength diamond based composite ceramic material
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

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Application publication date: 20181130