CN107214639B - A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base - Google Patents
A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base Download PDFInfo
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- CN107214639B CN107214639B CN201710470043.XA CN201710470043A CN107214639B CN 107214639 B CN107214639 B CN 107214639B CN 201710470043 A CN201710470043 A CN 201710470043A CN 107214639 B CN107214639 B CN 107214639B
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- gel
- cylindrical surface
- quartz glass
- glass cylindrical
- gel base
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
- B24D13/142—Wheels of special form
-
- 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
- B24D18/009—Tools not otherwise provided for
-
- 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
- B24D3/001—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 supporting member
- B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
-
- 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
- B24D3/005—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 during pre- or after-treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The production method of the present invention relates to a kind of quartz glass cylindrical surface polishing disk based on gel base, specifically includes the following steps: determining the thickness of gel base, and determine die size according to the radius on the quartz glass cylindrical surface to be polished；(2) mixed aqueous solution of polyvinyl alcohol, sodium alginate, silica and cerium oxide is prepared, mixed solution is poured into mold, freezing, thaw cycles for several times, form gel repeatedly, the gel of generation is placed in cerium oxide polishing slurry again and is impregnated, finally wash with distilled water；(3) gel is layered on mold, freeze-day with constant temperature to constant weight to get arrive quartz glass cylindrical surface polishing disk.Compared with prior art, the present invention is based on the polishing disks of polyvinyl alcohol and sodium alginate gel substrate, nanoscale cerium particle is wrapped up using the space net structure of gel, at cylinder face mould after drying, for polishing quartzy glass cylinder face, meet polishing to require and reach saving polish abrasive, reduces environmental pollution, reduce cost.
Description
Technical field
The present invention relates to hard brittle material chemical Mechanical Polishing Technique fields, and in particular to a kind of quartz based on gel base
The production method of glass cylinder face polishing disk.
Background technique
Polishing fluid is transmitted using polishing pad and is uniformly distributed in traditional chemically mechanical polishing, using polishing fluid ingredient and
Material surface generation chemical reaction is polished to generate the substance for being easier removal and polishing particles and be polished surface
Physical friction, achievees the purpose that polishing, but due to polishing pad be it is flat, plane polishing, and the price of polishing pad can only be carried out
It is higher, increase polishing cost；On the other hand, polishing process will also result in the waste of polishing fluid, generally use cerium oxide throwing at present
Light liquid, cerium oxide polishing slurry price is higher and toxic, generates pollution to environment.Chinese patent 201110231332.7 discloses one
Kind glass polishing disk and its manufacturing method, the polishing disk raw material include abrasive grain, filler, resin, curing agent, promotor composition, institute
State abrasive grain be alumina-cerium oxide core shell composite grain, or oxidation aluminium surface seep cerium abrasive grain, the filler include heat filling,
Active filler, pore creating material composition, resin is unsaturated polyester resin, but the polishing disk component is more, and preparation process is complicated.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and provides a kind of quartz glass cylinder based on gel base
The production method of face polishing disk.
The purpose of the present invention is achieved through the following technical solutions:
A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base, specifically includes the following steps:
(1) according to the radius on the quartz glass cylindrical surface to be polished, the thickness of required gel base is determined, and really
Surely the die size of gel base is carried；
(2) it prepares gel sample: preparing the mixed aqueous solution of polyvinyl alcohol, sodium alginate and silica, will mix molten
Liquid pours into mold, and freezing, thaw cycles for several times, form gel, then the gel of generation is placed in cerium oxide polishing slurry repeatedly
It impregnates, finally wash with distilled water；
(3) gel made from step (2) is layered on mold, and with corresponding curvature mould support, freeze-day with constant temperature to constant weight,
Obtain quartz glass cylindrical surface polishing disk.
Mold described in step (1) is stainless steel mould, and the circular groove that die face is equipped with carrying gel base is held
Section, the back side are equipped with the bolt hole for installing connection.
The thickness equations of gel base described in step (1) are as follows: L=(r1-r2) * 4.5, wherein L is gel base
Thickness, r1For the radius for carrying gel base mold, r2For the quartz glass cylindrical surface material object radius to be polished, gel is done
4-5 times with a thickness of semidiameter for the gel base that thickness can reduce 4-5 times, therefore primarily determine after dry, preferably 4.5 times.
The weight ratio of polyvinyl alcohol described in step (2), sodium alginate and silica are as follows: 60-80:20-30:5-
10.When mixed aqueous solution configures, method particularly includes: granule of polyvinyl alcohol is placed in distilled water, heating water bath stirring and dissolving, is made
It is standby to be cooled to room temperature spare at clear polyvinyl alcohol water solution, sodium alginate powder is dissolved in distilled water, is stirred at room temperature molten
Solution, is made sodium alginate aqueous solution, adds SiO in polyvinyl alcohol water solution and sodium alginate aqueous solution2, stir evenly, make
For at mixed solution.
The temperature of step (2) freezing is -10 to -16 DEG C, and time 20-24h, thaw 1-2h at room temperature, and freezing is thawed and followed
Ring number is 3-4 times.
It is 2%CaCl that gel is placed in containing mass percent by step (2)2Cerium oxide polishing slurry in impregnate, time 20-
28h。
Step (3) is 37 DEG C in temperature, freeze-day with constant temperature in the baking oven that humidity is 10%, drying time 40-50h.
The cylindrical surface polishing disk obtained after drying is installed on polishing machine and polishes for the cylindrical surface of quartz glass, polishing disk
In room temperature humidity using being advisable in the environment of 8%-12%, without using the case where polishing disk is placed on to the ring of humidity 10%
It is saved in border.
Compared with prior art, the present invention is based on the throwings of the quartz glass cylindrical surface of polyvinyl alcohol and sodium alginate gel substrate
CD improves the intensity and elasticity of polishing layer, makes cylinder by the compound preparation of repetitive freezing thawing method and chemical crosslink technique
Face polishing layer after the drying will not be cracked, wraps up cerium rouge particle, meets the requirement of high-precision polishing, by micro-
Amount addition SiO2Improve the thickness of cylindrical surface polishing layer.Nanoscale cerium particle is wrapped up using the space net structure of gel,
At cylinder face mould after drying, for polishing quartzy glass cylinder face, meets polishing and require and reach saving polish abrasive, reduce ring
Border pollution, reduces the purpose of cost, has cost advantage and environment-friendly advantage.
Detailed description of the invention
Fig. 1 is the mold structure schematic diagram of present invention carrying gel base；
Fig. 2 is the die face structural schematic diagram of present invention carrying gel base；
Fig. 3 is freeze-day with constant temperature gel support structural schematic diagram of the present invention；
In figure: 1 bolt hole, 2 loading ends, 3 molds, 4 gel bases, 5 support frames, 6 curvature molds, 7 lifting platforms
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base, specific steps are as follows:
(1) die size for determining carrying gel base, according to formula L=(r1-r2) * 4.5 calculating, wherein L is gel
The thickness of substrate, r1For the radius for carrying gel base mold, r2For the quartz glass cylindrical surface material object radius to be polished, mould
Tool is stainless steel mould, and such as Fig. 1,3 circular groove loading end 2 of the front equipped with carrying gel base of mold, the back side, which is equipped with, to be used
In the bolt hole 1 of installation connection.
(2) prepare gel sample: granule of polyvinyl alcohol is placed in distilled water, and heating stirring 6h is molten in 95 DEG C of water-bath
Solution is continuously replenished and evaporates reduced moisture, is finally prepared into clear polyvinyl alcohol water solution, be cooled to room temperature it is spare, simultaneously
It takes sodium alginate powder to be dissolved in distilled water, stirs 6h dissolution at room temperature, take polyvinyl alcohol and sodium alginate aqueous solution, and add
SiO2With cerium oxide solution at room temperature with blender stir 6h, be prepared into mixed solution, wherein polyvinyl alcohol, sodium alginate,
The weight ratio of silica are as follows: 70:25:5.
Mixed solution is poured into mold, repeatedly freezing, thaw cycles, forms gel, then gel is placed in containing 2%
CaCl2Cerium oxide polishing slurry in impregnate, the time is that for 24 hours, finally wash with distilled water, the temperature of freezing is -16 DEG C, and the time is
22h, thaw 2h at room temperature, and freezing, thaw cycles number are 4 times.
(3) gel base 4 made from step (2) is layered on mold 3, and with corresponding curvature mold 6, gently pressure is supported, and is such as schemed
Shown in 3, the mold 3 for having spread gel base 4 is placed on lifting platform 7, curvature mold 6 is placed on support frame 5, passes through adjusting
The height of lifting platform 7 resists gel base 4, prevents from gliding, and adjusts primary height every half an hour, and be 37 DEG C in temperature,
Freeze-day with constant temperature in the baking oven that humidity is 10%, drying time is 48h to get quartz glass cylindrical surface polishing disk is arrived, such as Fig. 2 institute
Show, gel base 4 is set on mold 3, and obtained cylindrical surface polishing disk is installed on the cylinder that quartz glass is used on polishing machine
Face polishing.
Embodiment 2
A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base, specific steps are as follows:
(1) die size for determining carrying gel base, according to formula L=(r1-r2) * 4.5 calculating, wherein L is gel
The thickness of substrate, r1For the radius for carrying gel base mold, r2For the quartz glass cylindrical surface material object radius to be polished, mould
Tool is stainless steel mould, and such as Fig. 1,3 circular groove loading end 2 of the front equipped with carrying gel base of mold, the back side, which is equipped with, to be used
In the bolt hole 1 of installation connection.
(2) prepare gel sample: granule of polyvinyl alcohol is placed in distilled water, and heating stirring 6h is molten in 95 DEG C of water-bath
Solution is continuously replenished and evaporates reduced moisture, is finally prepared into clear polyvinyl alcohol water solution, be cooled to room temperature it is spare, simultaneously
It takes sodium alginate powder to be dissolved in distilled water, stirs 6h dissolution at room temperature, take polyvinyl alcohol and sodium alginate aqueous solution, and add
SiO2With cerium oxide solution at room temperature with blender stir 6h, be prepared into mixed solution, wherein polyvinyl alcohol, sodium alginate,
The weight ratio of silica are as follows: 60:20:5.
Mixed solution is poured into mold, repeatedly freezing, thaw cycles, forms gel, then gel is placed in containing 2%
CaCl2Cerium oxide polishing slurry in impregnate, time 20h, finally wash with distilled water, the temperature of freezing are -10 DEG C, and the time is
For 24 hours, thaw 1h at room temperature, and freezing, thaw cycles number are 3 times.
(3) gel base 4 made from step (2) is layered on mold 3, and with corresponding curvature mold 6, gently pressure is supported, and is such as schemed
Shown in 3, the mold 3 for having spread gel base 4 is placed on lifting platform 7, curvature mold 6 is placed on support frame 5, passes through adjusting
The height of lifting platform 7 resists gel base 4, prevents from gliding, and adjusts primary height every half an hour, and be 37 DEG C in temperature,
Humidity be 10% baking oven in freeze-day with constant temperature, drying time be 40h to get arrive quartz glass cylindrical surface polishing disk.
Embodiment 3
A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base, specific steps are as follows:
(1) die size for determining carrying gel base, according to formula L=(r1-r2) * 4.5 calculating, wherein L is gel
The thickness of substrate, r1For the radius for carrying gel base mold, r2For the quartz glass cylindrical surface material object radius to be polished, mould
Tool is stainless steel mould, and such as Fig. 1,3 circular groove loading end 2 of the front equipped with carrying gel base of mold, the back side, which is equipped with, to be used
In the bolt hole 1 of installation connection.
(2) prepare gel sample: granule of polyvinyl alcohol is placed in distilled water, and heating stirring 6h is molten in 95 DEG C of water-bath
Solution is continuously replenished and evaporates reduced moisture, is finally prepared into clear polyvinyl alcohol water solution, be cooled to room temperature it is spare, simultaneously
It takes sodium alginate powder to be dissolved in distilled water, stirs 6h dissolution at room temperature, take polyvinyl alcohol and sodium alginate aqueous solution, and add
SiO2With cerium oxide solution at room temperature with blender stir 6h, be prepared into mixed solution, wherein polyvinyl alcohol, sodium alginate,
The weight ratio of silica are as follows: 80:30:10.
Mixed solution is poured into mold, repeatedly freezing, thaw cycles, forms gel, then gel is placed in containing 2%
CaCl2Cerium oxide polishing slurry in impregnate, time 28h, finally wash with distilled water, the temperature of freezing are -16 DEG C, and the time is
20h, thaw 2h at room temperature, and freezing, thaw cycles number are 4 times.
(3) gel base 4 made from step (2) is layered on mold 3, and with corresponding curvature mold 6, gently pressure is supported, and is such as schemed
Shown in 3, the mold 3 for having spread gel base 4 is placed on lifting platform 7, curvature mold 6 is placed on support frame 5, passes through adjusting
The height of lifting platform 7 resists gel base 4, prevents from gliding, and adjusts primary height every half an hour, and be 37 DEG C in temperature,
Humidity be 10% baking oven in freeze-day with constant temperature, drying time be 50h to get arrive quartz glass cylindrical surface polishing disk.
Claims (6)
1. a kind of production method of the quartz glass cylindrical surface polishing disk based on gel base, which is characterized in that specifically include with
Lower step:
(1) according to the radius on the quartz glass cylindrical surface to be polished, the thickness of gel base required for determining, and determination is held
Carry the die size of gel base；
(2) it prepares gel sample: preparing the mixed aqueous solution of polyvinyl alcohol, sodium alginate and silica, mixed solution is fallen
Entering in mold, freezing, thaw cycles for several times, form gel, then the gel of generation is placed in cerium oxide polishing slurry and is impregnated repeatedly,
Finally wash with distilled water；
(3) gel made from step (2) is layered on mold, and gently presses support with corresponding curvature mold, freeze-day with constant temperature to constant weight,
Obtain quartz glass cylindrical surface polishing disk；
The thickness equations of gel base described in step (1) are as follows: L=(r1-r2) * 4.5, wherein L is the thickness of gel base
Degree, r1For the radius for carrying gel base mold, r2For the quartz glass cylindrical surface material object radius to be polished, step (2) is described
Polyvinyl alcohol, sodium alginate and silica weight ratio are as follows: 60-80:20-30:5-10.
2. the production method of quartz glass cylindrical surface according to claim 1 polishing disk, which is characterized in that step (1) institute
The mold stated is stainless steel mould, and die face is equipped with the circular groove loading end of carrying gel base, and the back side is equipped with and is used for
The bolt hole of connection is installed.
3. the production method of quartz glass cylindrical surface according to claim 1 polishing disk, which is characterized in that mixed aqueous solution
When configuration, method particularly includes: granule of polyvinyl alcohol is placed in distilled water, heating water bath stirring and dissolving, is prepared into clear poly-
Vinyl alcohol aqueous solution, is cooled to room temperature spare, and sodium alginate powder is dissolved in distilled water, dissolution is stirred at room temperature, seaweed is made
Acid sodium aqueous solution adds SiO in polyvinyl alcohol water solution and sodium alginate aqueous solution2, stir evenly, it is molten to be prepared into mixing
Liquid.
4. the production method of quartz glass cylindrical surface according to claim 1 polishing disk, which is characterized in that step (2) is cold
The temperature of jelly is -10 to -16 DEG C, and time 20-24h, thaw 1-2h at room temperature, and freezing, thaw cycles number are 3-4 times.
5. the production method of quartz glass cylindrical surface according to claim 1 polishing disk, which is characterized in that step (2) will
Gel is placed in the CaCl containing 2%2Cerium oxide polishing slurry in impregnate, time 20-28h.
6. the production method of quartz glass cylindrical surface according to claim 1 polishing disk, which is characterized in that step (3) exists
Temperature is 37 DEG C, freeze-day with constant temperature in the baking oven that humidity is 10%, drying time 40-50h.
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| CN201710470043.XA CN107214639B (en) | 2017-06-20 | 2017-06-20 | A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base |
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| CN201710470043.XA CN107214639B (en) | 2017-06-20 | 2017-06-20 | A kind of production method of the quartz glass cylindrical surface polishing disk based on gel base |
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| CN113414705B (en) * | 2021-07-12 | 2022-07-29 | 苏州赛尔特新材料有限公司 | Large-size double-layer flexible polishing pad and preparation method and application thereof |
| CN116038436B (en) * | 2022-12-22 | 2023-12-01 | 中建材光子科技有限公司 | Low-roughness preparation method of fiber core glass rod |
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| US20090061744A1 (en) * | 2007-08-28 | 2009-03-05 | Rajeev Bajaj | Polishing pad and method of use |
| CN100999068A (en) * | 2006-01-09 | 2007-07-18 | 谢家忠 | Environmental protection type metal defect repairing and regeneration mould and its production method |
| KR101208896B1 (en) * | 2012-05-24 | 2012-12-06 | 주식회사 대한세라믹스 | Manufacturing method of alumina abrasive grains and alumina abrasive grains manufactured by the method |
| CN105479351B (en) * | 2015-06-17 | 2018-08-17 | 陈爱民 | A kind of emery wheel and the polishing process using the emery wheel |
| CN105563353B (en) * | 2016-02-18 | 2018-05-22 | 郑州磨料磨具磨削研究所有限公司 | A kind of preparation method of vitrified bond fine granularity grinding tool |
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