CN116038436A - Low-roughness preparation method of fiber core glass rod - Google Patents
Low-roughness preparation method of fiber core glass rod Download PDFInfo
- Publication number
- CN116038436A CN116038436A CN202211655562.0A CN202211655562A CN116038436A CN 116038436 A CN116038436 A CN 116038436A CN 202211655562 A CN202211655562 A CN 202211655562A CN 116038436 A CN116038436 A CN 116038436A
- Authority
- CN
- China
- Prior art keywords
- grinding
- polishing
- glass rod
- fiber core
- rod
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 81
- 239000000835 fiber Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000005498 polishing Methods 0.000 claims abstract description 99
- 238000000227 grinding Methods 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 239000010432 diamond Substances 0.000 claims abstract description 21
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 21
- 230000003746 surface roughness Effects 0.000 claims abstract description 9
- 238000000746 purification Methods 0.000 claims abstract description 8
- 239000005337 ground glass Substances 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- 239000008213 purified water Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000003365 glass fiber Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000007517 polishing process Methods 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- 239000013307 optical fiber Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 239000012459 cleaning agent Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 241000277275 Oncorhynchus mykiss Species 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000005347 annealed glass Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000006121 base glass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/50—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a low-roughness preparation method of a fiber core glass rod, which comprises the following steps: sequentially selecting diamond grinding wheels with gradually reduced granularity to perform rough grinding, medium grinding and fine grinding treatment on the surface of the fiber core glass rod, wherein the granularity of the grinding wheels is 60-80 mu m during rough grinding, the granularity of the grinding wheels is 20-40 mu m during medium grinding, the granularity of the grinding wheels is 5-15 mu m during fine grinding, the grinding is performed until the surface roughness is less than or equal to 0.5 mu m, and the fine ground glass rod is subjected to ultrasonic purification treatment by purified water for 0.5-1h; polishing the surface of the fiber core glass rod by using polishing solution containing polishing powder, wherein the polishing powder is selected from CeO 2 、Al 2 O 3 、SiO 2 、Fe 2 O 3 Or ZrO(s) 2 One or a mixture of two or more of polishing powder, wherein the dispersing agent of the polishing solution is water, and the polishing pad is polyurethane or non-woven fabric; and (5) cleaning the fiber core glass rod.
Description
Technical Field
The invention belongs to the technical field of glass rod surface processing, and particularly relates to a low-roughness preparation method of a fiber core glass rod.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The optical fiber products (optical fiber panel, image inverter, etc.) are excellent image coupling and transmitting devices formed by regularly arranging and fusing tens of millions of optical fibers with diameters of 4-6 mu m. The method is widely applied to the fields of low-light night vision, aerospace, medical diagnosis and treatment, security equipment, consumer electronics and the like.
The optical fiber product has high requirements on the quality of optical image transmission, which is not only relevant to the preparation process, but also depends on the properties of the base glass material. Wherein the ratio of the glass rod to the product exceeds 70%, the melting quality and the surface quality of the glass rod are particularly important to the performance of the final product. The glass rod for optical fiber products is shaped by high temperature melting and has uneven surface, and the glass rod can be closely matched with a cladding glass tube by grinding and polishing treatment, but the fiber core glass rod is a brittle material, and after being ground by a diamond grinding wheel, the surface of the fiber core glass rod inevitably has microcracks and tiny pits, and impurity substances contacted in the grinding process inevitably exist at the microcracks and the tiny pits and cannot be completely cleaned and removed. These impurities present can be carried into subsequent optical fiber articles and can seriously affect the quality of the articles.
In order to reduce microcrack and micro pit defects on the surface of a glass rod, the surface finish of the glass rod is required to be improved, the fiber core glass rod is generally polished, a chemical polishing method and a mechanical polishing method are commonly used, the chemical polishing method is characterized in that the surface of the glass rod is subjected to non-differential chemical corrosion treatment by utilizing an acid solution or an alkali solution, the defects are that some effective chemical components on the surface of the glass rod are corroded or ions at a core-skin interface are caused to diffuse, dark spot defects are generated in a produced optical fiber sample, and the problems that the chemical solution is strong in corrosiveness, harmful to human bodies and environment, waste liquid cannot be recovered and waste liquid is difficult to treat are solved. The mechanical polishing method is a method for carrying out surface polishing treatment by using polishing powder, and has the defects of long processing period, low efficiency, high production cost, uneven polishing and the like, and polishing media such as polishing powder and the like remain on the surface of a glass rod in the polishing treatment process and cannot be removed, and the media are easy to adhere to the surface of the glass rod due to small particles, so that the debris of the impurity particles enters a core-skin interface to influence the light transmission quality of the core-skin interface, and further influence the internal image transmission quality of the optical fiber image transmission element.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a low-roughness preparation method of a fiber core glass rod. The invention can effectively solve the surface quality problem of the coupling materials such as fiber core glass rods and the like and the problem of finished products caused by unstable product quality.
In order to achieve the above object, the present invention is realized by the following technical scheme:
a method for preparing a low roughness glass fiber core rod, comprising the following steps:
sequentially selecting diamond grinding wheels with gradually reduced granularity to perform rough grinding, medium grinding and fine grinding treatment on the surface of the fiber core glass rod, wherein the granularity of the grinding wheels is 60-80 mu m during rough grinding, the granularity of the grinding wheels is 20-40 mu m during medium grinding, the granularity of the grinding wheels is 5-15 mu m during fine grinding, the grinding is performed until the surface roughness is less than or equal to 0.5 mu m, and the fine ground glass rod is subjected to ultrasonic purification treatment by purified water for 0.5-1h;
polishing the surface of the fiber core glass rod by using polishing solution containing polishing powder, wherein the polishing powder is selected from CeO 2 、Al 2 O 3 、SiO 2 、Fe 2 O 3 Or ZrO(s) 2 One or a mixture of two or more of polishing powder, wherein the dispersing agent of the polishing solution is one or a mixture of more of water, sodium polyacrylate and polyether, and the polishing pad is polyurethane or non-woven fabric;
and (5) cleaning the fiber core glass rod.
Polyurethane or non-woven fabrics are adopted as polishing pads, so that the surface texture is smaller and the surface roughness of the fiber core glass rod is lower after the polishing is performed in comparison with felt polishing pads.
In some embodiments, a resin bond type diamond wheel is used for rough grinding, a ceramic bond type diamond wheel is used for medium grinding, and a metal bond type diamond wheel is used for fine grinding.
The different binding agents are adopted in each stage, and the binding capacity metal is more than ceramic is more than resin from the characteristics of each binding agent. In the rough grinding stage, the large irregularities of the glass rod are mainly removed, the processing amount is large, resin with relatively weak binding force is selected in the stage, diamond on the surface of a grinding wheel is relatively easy to fall off, and the grinding wheel has good self-sharpening property and always keeps high cutting efficiency. In the middle grinding stage, the defects of micro cracks, pits and the like left in the rough grinding stage are mainly removed, the good surface morphology of the rod is maintained, the ceramic bond has high brittleness and poor elasticity, the micro cracks can be generated during processing, certain self-sharpening property can be maintained, and the outline of the grinding wheel is well maintained. In the fine grinding stage, the good appearance of the surface of the rod is mainly ensured, and a bonding agent with the best bonding force is needed, so that the metal has strong toughness and high shock resistance, is not easy to fall off in the processing process, and keeps the good appearance profile of the grinding wheel.
The diamond grinding wheels with different grinding wheel binding agents are used for grinding treatment, so that tiny cracks and tiny pits on the surface of the fiber core glass rod are reduced step by step, and good conditions are provided for polishing.
In some embodiments, the two ends of the glass rod blank are cut by using a high-precision cutting machine, and after cutting, the two end faces of the glass rod are kept parallel, if the two ends are not parallel, the numerical control outer circle grinding machining size is too large, and the glass rod blank can be ground and flattened.
In some embodiments, the polishing time is 0.5-2 hours.
In some embodiments, the polishing solution is added dropwise in real time during polishing.
Preferably, the rotational speed of the core glass rod during polishing is 200-800rad/min.
In some embodiments, the cleaning of the core glass rod is ultrasonic.
Preferably, after the ultrasonic cleaning is completed, the product is dried.
In some embodiments, when polishing the fiber core glass rod, polishing solutions and polishing pads with different parameters are adopted according to the glass rods with different components, and the hardness of the polishing solutions and the polishing pads is required to be increased according to the content of aluminum oxide and calcium oxide in the glass components, if the content is higher, the hardness is higher.
Preferably, the particle size of the polishing powder is less than 500nm.
Preferably, the concentration of the polishing powder in the polishing solution is 20-30wt% and the pH value is 7.5-8.5.
In some embodiments, the cylindrical grinding machine is used to clamp and rotate the fiber core glass rod during the grinding and polishing processes.
The beneficial effects achieved by one or more embodiments of the present invention described above are as follows:
by the method, the glass rod with the length of 60-1200mm, the diameter of 10-60mm, the roundness of less than or equal to 0.02mm and the surface roughness Ra of less than or equal to 12nm can be prepared.
The preparation method provided by the invention can effectively improve the optical uniformity of the glass rod and reduce the defects of micro cracks and micro pits on the surface of the glass rod. The quality problem of finished products caused by defects in subsequent products can be remarkably reduced, the production cost of optical fiber products is reduced, and the quality and the production efficiency of the products are improved.
The invention adopts a chemical mechanical polishing method, and generates physical change while generating tiny chemical reaction in the processing process. For concave-convex points on the surface of the glass rod, the chemical corrosion capability is weak, and the friction force is large when the convex points are removed quickly, so that the smoothness of the concave-convex points is gradually realized. And compared with pure mechanical polishing, chemical reaction is introduced in the process, so that the pressure required by polishing is greatly reduced, and the problems that polishing powder adheres to the surface of a glass rod and the like are greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a flowchart of a method for preparing a low-roughness glass rod according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a polishing apparatus for a low-roughness glass rod according to an embodiment of the present invention.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Polishing, namely polishing the surface of the glass rod by using polishing solution containing polishing powder in a rotating process.
The invention is further illustrated below with reference to examples.
Example 1
As shown in fig. 1, a method for preparing a low-roughness glass rod includes:
s11, cutting the end, and flattening the two ends of the bar blank by using a high-precision cutting machine;
s12, sticking the head, and butting a clamped workpiece matched with the grinding machine;
s13, grinding, namely sequentially selecting diamond grinding wheels with gradually reduced granularity to grind the surface of the glass rod in the rotating process of the glass rod;
s14, polishing, namely polishing the surface of the glass rod by using polishing solution containing polishing powder in the rotating process;
s15, cleaning, namely cleaning the glass rod by using a cleaning agent;
s16, detecting, namely detecting the glass rod.
As shown in FIG. 2, the present invention provides a low-roughness glass rod polishing apparatus. Mainly comprises a motor 21, an automatic polishing liquid dropping pipe 22 and a polishing pad 23.
Specifically, a method for preparing a low-roughness glass rod, example 1 is as follows:
and (3) detecting the annealed glass rod, and cutting two ends by using a cutting machine, wherein the parallelism of the two ends is less than 0.05mm.
And using a stainless steel head matched with the adhesive bonding and cutting, and carrying out the next treatment after the adhesive is solidified.
The glass rod is firstly coarsely ground for 5min by using a 80 mu m diamond grinding wheel.
Grinding in a 40 μm diamond grinding wheel for 5min.
And finely grinding for 10min by using a 15 mu m corundum grinding wheel until the surface roughness is less than or equal to 0.5 mu m.
And (3) carrying out ultrasonic purification treatment on the finely ground glass rod for 0.5 hour by using purified water.
The purified glass rod is polished for 0.5 hour by using a polyurethane polishing pad and polishing solution, the polishing solution is prepared by mixing polishing powder mainly comprising cerium oxide with water, the purity of the polishing powder is not lower than 2N (99%), the particle size is smaller than 500nm, the concentration of the polishing solution is 20wt%, the pH is approximately 7.5, the Ra of the polished glass rod is less than 8nm, and the surface is transparent and free from defects such as scratches, pits and the like.
Taking down the assembly, cleaning with a clean water and water-adding cleaning agent after chamfering the flat head, manually scrubbing twice at the water temperature of 40 ℃, cleaning for 10min each time, cleaning with ultrasonic pure water for 5min each time, and drying in an oven after cleaning.
In the detection process, the detection items such as the size, the surface polishing quality, the roughness and the like of the glass rod all need to meet the requirements.
Example 2
And (3) detecting the annealed glass rod, and cutting two ends by using a cutting machine, wherein the parallelism of the two ends is less than 0.05mm.
And using a stainless steel head matched with the adhesive bonding and cutting, and carrying out the next treatment after the adhesive is solidified.
The glass rod is firstly coarsely ground for 10min by a 70 mu m diamond grinding wheel.
Grinding in 30 μm diamond grinding wheel for 10min.
And finely grinding for 20min by using a corundum grinding wheel with the diameter of 10 mu m until the surface roughness is less than or equal to 0.3 mu m.
And (3) carrying out ultrasonic purification treatment on the finely ground glass rod for 1 hour by using purified water.
The purified glass rod is polished by a polyurethane polishing pad and polishing solution for 1.5 hours, the polishing solution is prepared by mixing polishing powder mainly comprising cerium oxide, aluminum oxide and ferric oxide with water, the total purity of the polishing powder is not lower than 3N (99.9%), the particle size is smaller than 300nm, the concentration of the polishing solution is 30wt%, the pH is approximately equal to 8.0, the Ra of the polished glass rod is less than 6nm, and the surface is transparent and has no defects of scratch, pits and the like.
Taking down the assembly, cleaning with a clean water and water-adding cleaning agent after chamfering the flat head, manually scrubbing twice at the water temperature of 50 ℃, cleaning for 15min each time, cleaning with ultrasonic pure water once for 10min, and drying in an oven after cleaning.
Example 3
And (3) detecting the annealed glass rod, and cutting two ends by using a cutting machine, wherein the parallelism of the two ends is less than 0.05mm.
And using a stainless steel head matched with the adhesive bonding and cutting, and carrying out the next treatment after the adhesive is solidified.
The glass rod was first rough-ground with a 60 μm diamond grinding wheel for 15min.
Grinding in a 20 μm diamond grinding wheel for 15min.
And finely grinding for 30min by using a corundum grinding wheel with the thickness of 5 mu m until the surface roughness is less than or equal to 0.2 mu m.
And (3) carrying out ultrasonic purification treatment on the finely ground glass rod for 1 hour by using purified water.
The purified glass rod is polished for 2 hours by using a polyurethane polishing pad and polishing solution, the polishing solution is prepared by mixing polishing powder mainly comprising cerium oxide, aluminum oxide, silicon oxide and chromium oxide with water, the purity of the polishing powder is not lower than 5N (99.999%), the particle size is smaller than 300nm, the concentration of the polishing solution is 30wt%, the pH is approximately equal to 8.5, the Ra of the polished glass rod is less than 5nm, and the surface is transparent and has no defects of scratch, pits and the like.
Taking down the assembly, cleaning with a clean water and water-adding cleaning agent after chamfering the flat head, manually scrubbing twice at the water temperature of 60 ℃, cleaning for 20min each time, cleaning with ultrasonic pure water once for 15min, and drying in an oven after cleaning.
During detection, the average roundness value of the glass rod is 0.02mm, the surface polishing quality is good, the average roughness Ra value is 11nm, and the detection items meet the requirements.
Example 4
And (3) detecting the annealed glass rod, and cutting two ends by using a cutting machine, wherein the parallelism of the two ends is less than 0.05mm.
And using a stainless steel head matched with the adhesive bonding and cutting, and carrying out the next treatment after the adhesive is solidified.
The glass rod was first rough-ground with a 60 μm diamond grinding wheel for 15min.
Grinding in a 20 μm diamond grinding wheel for 15min.
And finely grinding for 30min by using a corundum grinding wheel with the thickness of 5 mu m until the surface roughness is less than or equal to 0.2 mu m.
And (3) carrying out ultrasonic purification treatment on the finely ground glass rod for 1 hour by using purified water.
The glass rod after the purification treatment is polished for 2 hours by using a composite polishing pad and polishing solution, wherein the polishing solution is prepared by mixing polishing powder mainly comprising cerium oxide, iron oxide, aluminum oxide, silicon oxide and chromium oxide with dispersing agent and water, the purity of the polishing powder is not lower than 5N (99.999%), the particle size is less than 100nm, the concentration of the polishing solution is 30wt%, the pH is approximately equal to 8.5, the Ra of the glass rod after the polishing is less than 5nm, and the surface is transparent and has no defects of scratch, pits and the like.
Taking down the assembly, cleaning with clear water and weak acid water-based cleaning agent after chamfering, manually scrubbing twice at the water temperature of 60 ℃ for 20min each, cleaning with non-water-based cleaning agent for 10min each time, cleaning with ultrasonic pure water for 15min each time, and drying in an oven after cleaning.
During detection, the average roundness value of the glass rod is 0.012mm, the surface polishing quality is good, the average roughness Ra value is 10.4nm, and the detection items all need to meet the requirements.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation method of low roughness of a fiber core glass rod is characterized by comprising the following steps: the method comprises the following steps:
sequentially selecting diamond grinding wheels with gradually reduced granularity to perform rough grinding, medium grinding and fine grinding treatment on the surface of the fiber core glass rod, wherein the granularity of the grinding wheels is 60-80 mu m during rough grinding, the granularity of the grinding wheels is 20-40 mu m during medium grinding, the granularity of the grinding wheels is 5-15 mu m during fine grinding, the grinding is performed until the surface roughness is less than or equal to 0.5 mu m, and the fine ground glass rod is subjected to ultrasonic purification treatment by purified water for 0.5-1h;
polishing the surface of the fiber core glass rod by using polishing solution containing polishing powder, wherein the polishing powder is selected from CeO 2 、Al 2 O 3 、SiO 2 、Fe 2 O 3 Or ZrO(s) 2 One or a mixture of two or more of polishing powder, wherein the dispersing agent of the polishing solution is one or a mixture of more of water, sodium polyacrylate and polyether, and the polishing pad is polyurethane or non-woven fabric;
and (5) cleaning the fiber core glass rod.
2. The method for producing a low roughness glass fiber rod according to claim 1, wherein: the resin bond type diamond grinding wheel is used in coarse grinding, the ceramic bond type diamond grinding wheel is used in middle grinding, and the ceramic bond type diamond grinding wheel is used in fine grinding.
3. The method for producing a low roughness glass fiber rod according to claim 1, wherein: and cutting the two ends of the glass rod blank by using a high-precision cutting machine, and keeping the two end surfaces of the cut glass rod parallel.
4. The method for producing a low roughness glass fiber rod according to claim 1, wherein: the polishing time is 0.5-2h.
5. The method for producing a low roughness glass fiber rod according to claim 4, wherein: in the polishing process, the rotating speed of the fiber core glass rod is 200-800rad/min.
6. The method for producing a low roughness glass fiber rod according to claim 1, wherein: the fiber core glass rod is cleaned by ultrasonic.
7. The method for producing a low roughness glass fiber rod according to claim 1, wherein: when polishing the fiber core glass rod, polishing liquid and polishing pads with different parameters are adopted according to the glass rods with different components.
8. The method for producing a low roughness glass fiber rod according to claim 1, wherein: the grain size of the polishing powder is less than 500nm.
9. The method for producing a low roughness glass fiber rod according to claim 8, wherein: the concentration of polishing powder in the polishing solution is 20-30wt% and the pH value is 7.5-8.5.
10. The method for producing a low roughness glass fiber rod according to claim 1, wherein: and in the grinding and polishing processes, the cylindrical grinding machine is adopted to clamp and rotate the fiber core glass rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211655562.0A CN116038436B (en) | 2022-12-22 | 2022-12-22 | Low-roughness preparation method of fiber core glass rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211655562.0A CN116038436B (en) | 2022-12-22 | 2022-12-22 | Low-roughness preparation method of fiber core glass rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116038436A true CN116038436A (en) | 2023-05-02 |
| CN116038436B CN116038436B (en) | 2023-12-01 |
Family
ID=86132340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211655562.0A Active CN116038436B (en) | 2022-12-22 | 2022-12-22 | Low-roughness preparation method of fiber core glass rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116038436B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117327451A (en) * | 2023-09-28 | 2024-01-02 | 中建材光芯科技有限公司 | Polishing mixture for polishing polymer optical fiber panel and preparation method and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239033A (en) * | 1999-02-17 | 2000-09-05 | Shinetsu Quartz Prod Co Ltd | Quartz glass cylindrical body and apparatus for polishing inner surface thereof |
| CN101249625A (en) * | 2008-03-21 | 2008-08-27 | 中国科学院上海光学精密机械研究所 | Laser glass mechanical chemical polishing method |
| CN101491880A (en) * | 2008-01-23 | 2009-07-29 | 株式会社迪思科 | Method of grinding wafer |
| CN105108589A (en) * | 2015-07-21 | 2015-12-02 | 宁波大学 | Polishing method of glass sleeve for manufacturing chalcogenide glass optical fiber preform rod by rod-in-tube method |
| CN106181613A (en) * | 2016-06-28 | 2016-12-07 | 浙江富通光纤技术有限公司 | The restorative procedure of preform and device |
| CN107214639A (en) * | 2017-06-20 | 2017-09-29 | 同济大学 | A kind of preparation method of the quartz glass face of cylinder polishing disk based on gel base |
| CN107443238A (en) * | 2017-08-25 | 2017-12-08 | 北方夜视技术股份有限公司 | A kind of glass bar polishing polishing liquor collecting device |
| CN109352460A (en) * | 2018-12-04 | 2019-02-19 | 徐州鑫盛智能科技发展有限公司 | Glass bar polishing processing method |
| CN113084599A (en) * | 2021-04-02 | 2021-07-09 | 成都光明光电股份有限公司 | Processing method of glass rod |
| CN114434224A (en) * | 2022-02-15 | 2022-05-06 | 襄阳艾利卡特机械制造有限公司 | Grooving cutter clamp for precision grinding and grooving cutter machining method |
-
2022
- 2022-12-22 CN CN202211655562.0A patent/CN116038436B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239033A (en) * | 1999-02-17 | 2000-09-05 | Shinetsu Quartz Prod Co Ltd | Quartz glass cylindrical body and apparatus for polishing inner surface thereof |
| CN101491880A (en) * | 2008-01-23 | 2009-07-29 | 株式会社迪思科 | Method of grinding wafer |
| CN101249625A (en) * | 2008-03-21 | 2008-08-27 | 中国科学院上海光学精密机械研究所 | Laser glass mechanical chemical polishing method |
| CN105108589A (en) * | 2015-07-21 | 2015-12-02 | 宁波大学 | Polishing method of glass sleeve for manufacturing chalcogenide glass optical fiber preform rod by rod-in-tube method |
| CN106181613A (en) * | 2016-06-28 | 2016-12-07 | 浙江富通光纤技术有限公司 | The restorative procedure of preform and device |
| CN107214639A (en) * | 2017-06-20 | 2017-09-29 | 同济大学 | A kind of preparation method of the quartz glass face of cylinder polishing disk based on gel base |
| CN107443238A (en) * | 2017-08-25 | 2017-12-08 | 北方夜视技术股份有限公司 | A kind of glass bar polishing polishing liquor collecting device |
| CN109352460A (en) * | 2018-12-04 | 2019-02-19 | 徐州鑫盛智能科技发展有限公司 | Glass bar polishing processing method |
| CN113084599A (en) * | 2021-04-02 | 2021-07-09 | 成都光明光电股份有限公司 | Processing method of glass rod |
| CN114434224A (en) * | 2022-02-15 | 2022-05-06 | 襄阳艾利卡特机械制造有限公司 | Grooving cutter clamp for precision grinding and grooving cutter machining method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117327451A (en) * | 2023-09-28 | 2024-01-02 | 中建材光芯科技有限公司 | Polishing mixture for polishing polymer optical fiber panel and preparation method and application thereof |
| CN117327451B (en) * | 2023-09-28 | 2024-03-22 | 中建材光芯科技有限公司 | Polishing mixture for polishing polymer optical fiber panel and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116038436B (en) | 2023-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4185266B2 (en) | Manufacturing method of substrate for information recording medium | |
| CN116038436B (en) | Low-roughness preparation method of fiber core glass rod | |
| CN106297833B (en) | The manufacturing method and glass substrate for disc of glass substrate for disc | |
| JP5029952B2 (en) | GLASS SUBSTRATE, ITS MANUFACTURING METHOD, AND MAGNETIC DISC USING THE GLASS SUBSTRATE | |
| US9186771B2 (en) | Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk | |
| JP6078942B2 (en) | Glass substrate manufacturing method, magnetic disk manufacturing method, and polishing composition for glass substrate | |
| CN112680111B (en) | Polishing solution for glass and application thereof | |
| SG183091A1 (en) | Glass substrate for information recording media, process for its production, and magnetic recording medium | |
| CN103247304B (en) | The manufacture method of substrate and the manufacture method of disk | |
| Sabia et al. | Pitting of a glass-ceramic during polishing with cerium oxide | |
| JP5454988B2 (en) | Manufacturing method of glass substrate for magnetic disk and manufacturing method of magnetic disk | |
| JPWO2008004468A1 (en) | Glass substrate cleaning method, manufacturing method, and magnetic disk using the same | |
| US6159077A (en) | Colloidal silica polishing abrasive | |
| CN110862772B (en) | High-efficiency silica sol polishing solution not easy to crystallize and easy to clean and preparation method thereof | |
| JP6642864B2 (en) | Method of manufacturing glass substrate used for manufacturing glass substrate for magnetic disk, and method of manufacturing glass substrate for magnetic disk | |
| JP5319095B2 (en) | Manufacturing method of glass substrate for magnetic disk | |
| JP2003173518A (en) | Method for manufacturing glass substrate for magnetic recording medium, method for manufacturing magnetic recording medium | |
| WO2008004472A1 (en) | Method for manufacturing glass substrate for information recording medium and magnetic disc using such method | |
| WO2013118648A1 (en) | Method for producing glass product and method for producing magnetic disk | |
| JP2010080015A (en) | Glass material for manufacturing glass substrate for magnetic disk, method of manufacturing glass substrate for magnetic disk, and method of manufacturing magnetic disk | |
| JP6059739B2 (en) | Manufacturing method of glass substrate for hard disk | |
| Khellaf et al. | Optical glass surfaces finishing by new manufactured pellets made from alumina and cerium oxide abrasive grains | |
| JP2012138151A (en) | Method for manufacturing glass substrate for information recording medium | |
| Zhang et al. | Mechanism analysis and modelling of surface roughness for CeO2 slurry assisted grinding of BK7 optics considering both particle size and mass fraction | |
| JP2002346938A (en) | Grinder for grinding glass surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |