CN114751652A - Processing technology of 2.5D AG glass panel - Google Patents
Processing technology of 2.5D AG glass panel Download PDFInfo
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- CN114751652A CN114751652A CN202210597465.4A CN202210597465A CN114751652A CN 114751652 A CN114751652 A CN 114751652A CN 202210597465 A CN202210597465 A CN 202210597465A CN 114751652 A CN114751652 A CN 114751652A
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- 239000011521 glass Substances 0.000 title claims abstract description 87
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 238000005498 polishing Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 40
- 238000007650 screen-printing Methods 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 27
- 238000005496 tempering Methods 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 15
- 239000012459 cleaning agent Substances 0.000 claims description 14
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 13
- 238000007639 printing Methods 0.000 claims description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000010408 sweeping Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 235000010333 potassium nitrate Nutrition 0.000 claims description 7
- 239000004323 potassium nitrate Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052743 krypton Inorganic materials 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- -1 ammonium fluorosilicate Chemical compound 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000002173 cutting fluid Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- VEUACKUBDLVUAC-UHFFFAOYSA-N [Na].[Ca] Chemical compound [Na].[Ca] VEUACKUBDLVUAC-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
- C03C15/02—Surface treatment of glass, not in the form of fibres or filaments, by etching for making a smooth surface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/02—Tempering or quenching glass products using liquid
- C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention relates to the technical field of AG glass panel manufacturing, and particularly discloses a processing technology of a 2.5DAG glass panel, which comprises the following steps: the step of AG etching includes: the 2.5D working face is fed into a frosting device at a constant speed with the front face facing upwards for processing, so that the 2.5D glass working face forms a non-transparent microscopic pit shape with similar size and shape, and the 2.5D glass panel after frosting is polished to achieve the effect of transparent and bright. According to the method, the polishing solution is acted on the surface of the glass in the AG etching step, so that the thickness of the glass is reduced by 20-30 um, the microscopic particles on the surface of the glass are uniform, and the microscopic particles are reduced to below 10um from the original 50um +/-10 um. Meanwhile, concave-convex points and spots are reduced to 2% -4% from the original 10%, and the uniformity is good.
Description
Technical Field
The invention relates to the technical field of AG glass panel manufacturing, and particularly discloses a processing technology of a 2.5D AG glass panel.
Background
The AG glass is a glass that is specially processed on the surface of the glass, and along with the rapid popularization of products such as smart phones, large-screen mobile phone flat plates, automobile center control panel glass, navigators and the like, the AG glass has an increasingly wide popularization degree and a larger market scale as a protective cover plate of a screen. The AG sand blasting glass panel is mainly an anti-dazzle function and is used in the fields of mobile phones, flat plates, intelligent all-in-one machines, education machines and other electronic displays.
The existing processing technology of the 2.5D AG glass panel mostly adopts a sand blasting AG or AG film production technology, the AG produced by the production technology has poor wear-resisting effect and insufficient hardness, and is easy to fall sand and scratch when being used on a display.
Disclosure of Invention
The invention mainly aims to provide a processing technology of a 2.5D AG glass panel, and aims to solve at least one technical problem.
In order to achieve the purpose, the invention provides a processing technology of a 2.5D AG glass panel, which comprises the following steps: glass spraying protection, cutting, CNC appearance processing, sweeping, washing, inspection, silk screen printing acid and alkali resistance protection glue, AG etching, washing, tempering, washing, inspection, silk screen printing, toast, washing, inspection, washing, plasma AF spraying, washing, inspection, cover the protection film, wherein, the step of AG etching includes:
pre-washing the working surface of the 2.5D glass panel with the liquid medicine;
the prewashed 2.5D glass panel is placed in frosting equipment, the 2.5D working face is subjected to frosting treatment at a constant speed with the front face facing upwards, the 2.5D glass working face is enabled to form a non-transparent microscopic pit shape with a similar size and a similar shape, the frosted 2.5D glass panel is subjected to polishing treatment, the effect of transparent and bright division is achieved, AG anti-dazzling is formed, and the diffuse reflection effect is achieved.
In addition, the processing technology of the 2.5D AG glass panel can also have the following additional technical characteristics.
According to one embodiment of the invention, the polishing solution in the polishing treatment comprises the following components in percentage by mass: CeO 25% by mass2，La2O320% by mass, 25% by mass of hydrofluoric acid having a mass concentration of 40%, and 40% by mass of sulfuric acidThe ratio is 17%; the mass ratio of the nitric acid with the mass concentration of 75 percent is 8 percent.
According to one embodiment of the invention, the components and mass ratio of the frosting liquid medicine in the frosting treatment are respectively 50-55% of ammonium bifluoride, 3.5-4% of ammonium fluosilicate, 6-7% of starch, 13-15% of citric acid, 13-15% of calcium fluoride and 20-15% of water.
According to one embodiment of the invention, the components and the mass ratio of the liquid medicine in the prewashing of the working surface of the 2.5D glass panel are as follows: the concentration of the hydrogen krypton acid is 2% -4%; the concentration of the sulfuric acid is 1-2%, and the mass ratio of the hydrofluoric acid to the concentrated sulfuric acid is 2: 1.
According to one embodiment of the invention, the CNC profiling comprises the following steps:
converting a customer drawing into a DXF format, guiding the DXF format into a Mastercam, and programming a base jig and a product according to the structure of the customer drawing to set parameters; the base sets up the requirement: the overall appearance is 1.5mm-2.0mm smaller than the product size, the product size of the side position close to the base is equal to the two-side allowance value, and the machine coordinate is positioned as the central point of the product. The grinding head has the advantages that the grinding head is beneficial to equal cutting allowance around the grinding head, the service life of the grinding head is prolonged, the phenomena of edge breakage and cutter burning of a product caused by increase of the over-cutting allowance are prevented, the yield is effectively improved, and the cost is reduced.
The product programming process requirements are as follows: setting a once-cutting roughing program: cutting amount 0.35mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1200mm/min-1500mm/min, and the corner speed limit is set as follows: 500mm/min-1000 mm/min; setting a two-cutter safe edge procedure: cutting amount 0.15mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1500mm/min-1000 mm/min. Three-knife large arc edge program setting: cutting amount 0mm, spindle rotation speed: 40000r/min-45000r/min, feed speed: 1000mm/min-1200 mm/min. The process forms 2.5D chamfering parameters of the chamfering process on the periphery of the glass within 2.0-2.9 mm. The appearance forms a 2.5D effect, and the aesthetic feeling is increased for the vision and the external light of hand feeling. The process is provided with a grinding head cutter formed in one step, the cutting fluid with the concentration of more than 3.0 is matched, and a glass residue mud pressing process is matched, so that the residue in the cutting fluid is reduced, the processing time is effectively shortened, the efficiency is improved, the defects caused by impurities in the manufacturing process are reduced, and the cost is effectively saved.
According to an embodiment of the invention, the step of sweeping the light comprises: manufacturing the size of a base of the sweeping polishing buffing: the size of the product is 5mm, and the middle of the product is provided with a 5mm-8mm Chinese character tian-shaped air suction groove, so that the circulation of negative pressure vacuum air is facilitated, the movement of the product is prevented, the abnormal size is prevented, and the service life of consumable materials of the grinding head is influenced;
and polishing the large arc surface of the CNC product. The technical parameter requirements are as follows: the rotating speed is controlled to be 35r/min-40 r/min; the proportion concentration of the milled powder and the water is 1.08 (the brightness is uniform, and the phenomena of abnormal cambered surface and poor sweeping are prevented); vacuum pressure: above 0.6 mpa; the air pressure is more than 0.6mpa (being beneficial to adsorbing the product on the mill leather, preventing the product from falling off and causing the damage of the whole plate product); the woolen blanket is long: 15 mm; grinding the thickness of the skin: 5 mm. (the carpet is beneficial to sweeping the side position of the product, and the poor sweeping caused by poor sweeping can be prevented, the product progress of a production line and the repair progress are influenced, the first production pass rate of the product is increased, and the production efficiency is improved)
According to one embodiment of the invention, the cleaning after the polishing is milled powder cleaning, which comprises soaking citric acid (which is beneficial to lubricating the surface of the glass) for 3min-5min before cleaning (the cleaning powder has strong stain removal capability when contacting with a cleaning agent), adopting three-tank ultrasonic and alkaline cleaning agents, controlling the temperature at 50 ℃ and the rinsing time at 3min-5min (the temperature and the time are controlled to be more beneficial to removing stains), and cleaning the residual waste residues and milled powder on the surface of the glass plate.
According to one embodiment of the present invention, the tempering step includes: preheating: the temperature is controlled to be 380+/-10 ℃ (the step is beneficial to the temperature to be closer to the temperature of the toughening furnace), and the glass is placed into the toughening furnace at a constant speed after being kept at the constant temperature for 30-40 min (the time is more beneficial to the glass to be heated to a constant temperature state, so that the non-uniform temperature of the glass is prevented, and the glass is prevented from being cracked and damaged due to the excessively high moving speed, so that the production efficiency and yield are effectively improved); tempering parameters are as follows: the tempering time is 4-6 h at 400-450 deg.C (the solution in the tempering furnace is potassium nitrate, the glass is subjected to potassium-sodium ion exchange in the tempering furnace, so that the glass hardness is enhanced, and the properties of scratch resistance, falling resistance and the like are achieved); cooling the toughened product; cooling to normal temperature, soaking in warm water at 40-50 deg.c for fast dissolving potassium nitrate and preventing ion exchange, and soaking potassium nitrate adhered to the surface of the product.
According to one embodiment of the invention, the cleaning step after tempering comprises: and (3) cleaning residual waste residues and oil stains on the surface of the glass plate by adopting 10-groove ultrasonic waves and an alkaline cleaning agent, controlling the temperature at 50 ℃ and the frequency at 40HZ, and controlling the rinsing time at 3-5 min.
According to one embodiment of the present invention, the step of silk-screening includes: according to different structures of products, silk-screen printing is carried out in different procedures; the technical parameters are as follows: the first process and the window process are required to be used as a first film screen printing plate according to the original size of 1:1, and the subsequent process is used for carrying out corresponding film adjustment according to the characteristics of a product; screen printing: the screen printing plate has the parameter 165T (the type of the screen printing plate is characterized in that the window has straight lines, good definition, no double image and no tooth defect and light tightness, the type of the screen printing plate controls the thickness of the printing ink to be 5-7um, the baking temperature to be 150-160 ℃, and the surface drying time to be 10 min). 150T behind the second screen printing plate (the type of the screen printing plate is characterized in that the position of light transmission and light leakage of the first layer of printing ink is covered, the poor manufacturing process is reduced, the single side in a window is contracted by 0.5-1mm, the parameter avoids the structural characteristic that bubbles are generated when the cover plate is attached to the functional sheet, the layer of printing ink must be formulated and controlled to be more than 32 by using a matte printing ink dyne value, and the surface adhesive force is increased when the layer of printing ink is combined with OCA (optical clear adhesive) and the type of the screen printing plate controls the thickness of the printing ink to be 6-8 mu m, the baking temperature to be 150-160 ℃, and the surface drying time to be 10 min); fixing the last step for 20-30 min; if the ink is too thick, the ink is resistant to boiling (the ink in the three steps is added with a fixed curing agent to prevent the ink from falling off).
Compared with the prior art, the invention has the following beneficial effects:
according to the method, the polishing solution is acted on the surface of the glass in the AG etching step, so that the thickness of the glass is reduced by 20-30 um, the microscopic particles on the surface of the glass are uniform, and the microscopic particles are reduced to below 10um from the original 50um +/-10 um. Meanwhile, concave-convex points and spots are reduced to 2% -4% from the original 10%, and the uniformity is good. AG parameter transmittance < 89%, roughness: the glossiness is less than 110, and the haze is less than 80, so that the use requirement of a consumer can be met; meanwhile, the strength of the product is improved through toughening treatment, the AF fingerprint oil is used for improving the hand feeling of the surface of the product, and the residue of fingerprints is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The following describes some embodiments of the present invention of a process for manufacturing a 2.5D AG glass panel, which specifically includes the following steps:
(1) raw material spraying protection: sodium calcium or high aluminum gauge is selected as a raw material, 1092.2mm 1224.6mm of the whole large plate 1092.2mm 1224.6mm raw material is conveyed into a spraying machine for single-side whole spraying, the spraying protective layer is uniformly attached to the surface of glass, the glass is effectively prevented from being scratched in cutting-CNC, and the glass is soaked in weak alkali to be immediately dissolved and is easy to clean.
(2) Cutting: and (4) performing allowance discharge according to the drawing of the product, wherein the discharge parameter is that a single side is reserved for 0.5 mm. Inputting the size data of the product after the amount is released into a cutting machine for cutting; the utilization rate of raw materials greatly utilized by the process is that the conventional AG time process is opened into four sheets, so that the raw materials are greatly wasted, and the utilization rate of the raw materials greatly utilized by the process is increased. The cost of raw materials is improved by 10 percent;
(3) CNC contour machining: setting a once-cutting roughing program: cutting amount 0.35mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1200mm/min-1500mm/min, and the corner speed limit is set as follows: 500mm/min-1000 mm/min; setting a two-cutter safe edge procedure: cutting amount 0.15mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1500mm/min-1000 mm/mi. Three-knife large arc edge program setting: cutting amount 0mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1000mm/min-1200 mm/min. The process forms 2.5D chamfering parameters of the chamfering process on the periphery of the glass within 2.0-2.9 mm. The appearance forms a 2.5D effect, and the aesthetic feeling is increased for the vision and the external light of hand feeling.
The process is provided with a grinding head cutter which is formed in one step, the cutting fluid with the concentration of more than 3.0 is matched, and a glass residue mud pressing process is matched, so that the residue in the cutting fluid is reduced, the processing time is effectively shortened, the efficiency is improved, the defects caused by impurities in the manufacturing process are reduced, and the cost is effectively saved;
(4) scanning: the size of the product is 5mm, and the middle of the product is provided with a 5mm-8mm Chinese character tian-shaped air suction groove, so that the circulation of negative pressure vacuum air is facilitated, the movement of the product is prevented, the abnormal size is prevented, and the service life of consumable materials of the grinding head is influenced; and polishing the large arc surface of the CNC product. The technical parameter requirements are as follows: the rotating speed is controlled to be 35r/min-40 r/min; the proportion concentration of the milled powder and the water is 1.08 (the brightness is uniform, and the phenomena of abnormal cambered surface and poor sweeping are prevented); vacuum pressure: more than 0.6 mpa; the air pressure is more than 0.6mpa (being beneficial to adsorbing the product on the buffing, preventing the product from falling off and causing the whole tray product to be damaged); the woolen blanket is long: 15 mm; grinding the thickness of the skin: 5 mm. This carpet is favorable to sweeping the side position of product, prevents to sweep and is not bright, causes to sweep the light harmfully, influences and produces line product progress, reprocesses the progress. The first production pass rate of the product is increased, and the production efficiency is improved.
(5) Removing milled powder and cleaning: the cleaning after polishing is powder removal cleaning, which comprises soaking citric acid for 3-5 min before cleaning (which is beneficial to lubricating the polishing powder on the surface of the glass and has strong stain removal capability when contacting with a cleaning agent), adopting three-tank ultrasonic and alkaline cleaning agents, controlling the temperature at 50 ℃ and the rinsing time at 3-5 min (the temperature and time control is more beneficial to removing stains), and cleaning the residual waste residues and the milled powder on the surface of the glass plate.
(6) Cleaning and checking: adopting 10-groove ultrasonic wave and alkaline cleaning agent, controlling the temperature at 50 ℃ and the frequency at 40HZ, and controlling the rinsing time at 3-5 min;
(7) and cleaning the residual waste residues and oil stains on the surface of the glass plate. : each product was tested according to the customer's test standards (light intensity 800ln-1200 lnx).
(8) Silk-screen printing acid-alkali-resistant protective oil + baking: and (5) taking out the film, and preparing the film according to the ratio of 1: 1. Mesh number 200# of screen printing plate, in order to effectively scratch the back surface of the glass by corrosion at AG time;
(9) AG etching: pre-washing the glass 2.5D working surface with the liquid medicine for 1-4 min; the main components of the liquid medicine are diluted krypton hydrogen acid and sulfuric acid, wherein the concentration of the krypton hydrogen acid is 2% -4%; the concentration of the sulfuric acid is 1% -2%, the mass ratio of the hydrofluoric acid to the concentrated sulfuric acid is 2:1, and the mixture is uniformly stirred and added into a frosting device. And placing the 2.5D surface on the front surface, carrying out frosting treatment for 50-100 s to form a non-transparent microscopic pit shape with a similar size and shape on the glass working surface, and conveying the frosted 2.5D product onto polishing equipment for polishing for 5-10 min to achieve the effect of transparent and bright separation. And forms AG anti-glare to achieve diffuse reflection effect (parameter: transmittance < 89% roughness: <0.8 glossiness <110 haze < 80.)
In the polishing treatment, the polishing solution comprises the following components in percentage by mass: CeO 25% by mass2，La2O320 percent, 25 percent of hydrofluoric acid with mass concentration of 40 percent and 17 percent of sulfuric acid with mass concentration of 40 percent; the mass ratio of the nitric acid with the mass concentration of 75 percent is 8 percent.
(10) AG etching back oil + cleaning + inspection + insertion of a steel frame: removing the acid and alkali resistant ink on the glass surface by using an oil removing cleaning agent at the temperature of 50 +/-5 ℃.
Adopting (10-tank ultrasonic wave and alkaline cleaning agent), controlling the temperature at 50 +/-5 ℃, and controlling the rinsing time at 40HZ for 3-5 min; cleaning off residual waste residues and oil stains on the surface of the glass plate, carrying out quality inspection according to the requirements of customer inspection standards, and carrying out tempering before tempering on the inspected product according to a corresponding method.
(11) Tempering: preheating: the temperature is controlled to be 380+/-10 ℃ (the step is beneficial to the temperature to be closer to the temperature of the toughening furnace), and the glass is placed into the toughening furnace at a constant speed after being kept at the constant temperature for 30-40 min (the time is more beneficial to the glass to be heated to a constant temperature state, so that the non-uniform temperature of the glass is prevented, and the glass is prevented from being cracked and damaged due to the excessively high moving speed, so that the production efficiency and yield are effectively improved); tempering parameters are as follows: the tempering time is 4h to 6h at 400 ℃ to 450 ℃ (the solution in the tempering furnace is potassium nitrate, and the glass is subjected to potassium-sodium ion exchange in the tempering furnace, so that the hardness of the glass is enhanced, and the characteristics of scratch resistance, falling resistance and the like are achieved); cooling the toughened product; cooling to normal temperature, soaking in warm water at 40-50 deg.c for fast dissolving potassium nitrate and preventing ion exchange, and soaking potassium nitrate adhered to the surface of the product.
(12) Cleaning after tempering: and (10-tank ultrasonic waves and alkaline cleaning agents) are adopted, the temperature is controlled at 50 ℃, the frequency is controlled at 40HZ, and the rinsing time is controlled at 3-5 min to clean the residual waste residues and oil stains on the surface of the glass plate.
(13) Cleaning before screen printing: and (10-tank ultrasonic waves and alkaline cleaning agents) are adopted, the temperature is controlled at 50 ℃, the frequency is controlled at 40HZ, and the rinsing time is controlled at 3-5 min to clean the residual waste residues and oil stains on the surface of the glass plate.
(14) Silk-screen printing: and (4) carrying out silk-screen printing in different procedures according to different structures of products. The technical parameters are as follows: the first process and the window process are required to be used as a first film screen printing plate according to the original size of 1:1, and the subsequent process is used for carrying out corresponding film adjustment according to the characteristics of a product; screen printing: the screen printing plate has the parameter 165T (the type of the screen printing plate is characterized in that the window has straight lines, good definition, no double image and no tooth defect and light tightness, the type of the screen printing plate controls the thickness of the printing ink to be 5-7um, the baking temperature to be 150-160 ℃, and the surface drying time to be 10 min). 150T behind the second screen printing plate (the type of the screen printing plate is characterized in that the position of the first layer of printing ink for light transmission and light leakage is covered, the poor manufacturing process is reduced, the single side in the window is retracted by 0.5-1mm, the parameter avoids the structural characteristic that bubbles are generated when the cover plate is attached to the functional sheet, the layer of printing ink must be set and controlled to be more than 32 by using a matte printing ink dyne value, and the surface adhesive force is increased when the layer of printing ink is combined with OCA (optical clear adhesive) while the thickness of the printing ink is controlled to be 6-8 mu m, the baking temperature is controlled to be 150-160 ℃, and the surface drying time is controlled to be 10 min); the last step of the basic curing is carried out for 20min to 30 min; if the ink is too large, the ink is resistant to boiling (the ink in the three steps is added with a fixed curing agent to prevent the ink from falling off).
(15) Cleaning after silk-screen printing: the residual waste residues and oil stains on the surface of the glass plate are cleaned by adopting (10-groove ultrasonic waves, alkaline cleaning agents and 3-groove finished product soaking solutions), controlling the temperature at 50 ℃ and the frequency at 40HZ, and controlling the rinsing time at 3min-5 min. Preventing the ink from falling off.
(16) Cleaning: ultrasonic cleaning is adopted to clean the residual waste residues on the surface of the glass plate;
(17) and (3) testing: each product was tested according to the customer's test standards (light intensity 800ln-1200 lnx). Removing cracks, scratches, stains and stains, and having a transmittance of less than 89%, roughness: <0.8, gloss <110, haze < 80;
(18) plasma AF spraying: and (3) removing impurities on the front surface of the glass by using a weakly alkaline cleaning agent, and performing a spraying process (spraying by using a plasma machine, AF fingerprint oil and high-temperature baking for 30min at 150 ℃), wherein the wear-resisting times are within 1500 times, the pre-grinding parameter is more than 110, and the post-grinding parameter is more than 90. In the process, residual impurities on the surface layer of the AG surface of the glass are effectively treated by plasma, and after high-temperature baking, the adhesion of AF on the AG surface of the glass is enhanced, so that the wear-resisting times of the glass surface are increased;
(19) cleaning and checking: cleaning the residual oil stains on the surface of the glass plate by adopting ultrasonic cleaning; each product was tested according to the customer's home test standards (light intensity 800lnx-1200lnx) and vacuum packaged with film.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the present specification and directly/indirectly applied to other related technical fields within the spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. A processing technology of a 2.5D AG glass panel is characterized by comprising the following steps: glass spraying protection, cutting, CNC appearance processing, sweeping, washing, inspection, silk screen printing acid and alkali resistance protection glue, AG etching, washing, tempering, washing, inspection, silk screen printing, toast, washing, inspection, washing, plasma AF spraying, washing, inspection, cover the protection film, wherein, the step of AG etching includes:
pre-washing the working surface of the 2.5D glass panel with the liquid medicine;
the method comprises the steps of putting a pre-washed 2.5D glass panel into a frosting device, enabling a 2.5D working face to face upwards to enter the frosting device at a constant speed for frosting, enabling the 2.5D working face to form a non-transparent microscopic pit shape similar in size and shape, and polishing the 2.5D glass panel after frosting to achieve the effect of transparent and bright division and form AG anti-glare and achieve the effect of diffuse reflection.
2. The process for processing a 2.5D AG glass panel according to claim 1, wherein the polishing solution in the polishing treatment comprises the following components in mass ratio: CeO 25% by mass2，La2O320 percent, 25 percent of hydrofluoric acid with mass concentration of 40 percent and 17 percent of sulfuric acid with mass concentration of 40 percent; the mass ratio of the nitric acid with the mass concentration of 75 percent is 8 percent.
3. The processing technology of the 2.5D AG glass panel as claimed in claim 1, wherein the frosting liquid medicine in the frosting treatment comprises 50-55% of ammonium bifluoride, 3.5-4% of ammonium fluorosilicate, 6-7% of starch, 13-15% of citric acid, 13-15% of calcium fluoride and 20-15% of water by mass ratio.
4. The processing technology of the 2.5D AG glass panel as claimed in claim 1, wherein the components and mass ratio of the liquid medicine in the prewashing of the liquid medicine for the working surface of the 2.5D glass panel are as follows: the concentration of the hydrogen krypton acid is 2% -4%; the concentration of the sulfuric acid is 1-2%, and the mass ratio of the hydrofluoric acid to the concentrated sulfuric acid is 2: 1.
5. The process of machining a 2.5D AG glass panel of claim 1, wherein the CNC profiling comprises the steps of:
converting a customer drawing into a DXF format, leading the DXF format into a Mastercam, and programming a base jig and a product according to a customer drawing structure to set parameters; the base sets up the requirement: the overall appearance is 1.5mm-2.0mm smaller than the product size, the product size of the side position close to the base is equal to the two-side allowance value, and the machine coordinate is positioned as the central point of the product.
The product programming process requirements are as follows: setting a once-cutting roughing program: cutting amount 0.35mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1200mm/min-1500mm/min, and the corner speed limit is set as follows: 500mm/min-1000 mm/min; setting a second-cutter safe road edge program: cutting amount 0.15mm, spindle rotation speed: 40000r/min-45000r/min, feeding speed: 1500mm/min-1000 mm/min. Three-knife large arc edge program setting: cutting amount 0mm, spindle rotation speed: 40000r/min-45000r/min, feed speed: 1000mm/min-1200 mm/min. The process forms 2.5D chamfering parameters of the chamfering process on the periphery of the glass within 2.0-2.9 mm.
6. The process of claim 5, wherein the step of sweeping comprises:
manufacturing the size of a base of the sweeping polishing buffing: the size of the product is 5mm, and a 5mm-8mm square air suction groove is formed in the middle of the product;
and polishing the large arc surface of the CNC product. The technical parameter requirements are as follows: the rotating speed is controlled to be 35r/min-40 r/min; the concentration of the ground powder and water is 1.08; vacuum pressure: more than 0.6 mpa; the air pressure is more than 0.6 mpa; the woolen blanket is long: 15 mm; grinding the thickness of the skin: 5 mm.
7. The process for processing a 2.5D AG glass panel as claimed in claim 6, wherein the cleaning after polishing is a milled powder cleaning comprising soaking in citric acid for 3min-5min before cleaning, and using three-tank ultrasonic and alkaline cleaning agent, the temperature is controlled at 50 ℃, and the rinsing time is controlled at 3min-5min to clean the residual slag and milled powder on the surface of the glass panel.
8. The process for manufacturing a 2.5D AG glass panel according to claim 1, wherein the tempering step comprises: preheating: controlling the temperature at 380+/-10 ℃ for 30-40 min, and then putting the mixture into a tempering furnace at a constant speed; tempering parameters are as follows: the tempering time is 4h to 6h at the temperature of 400 ℃ to 450 ℃; cooling the toughened product; cooling to normal temperature, and soaking in warm water at the controlled temperature to soak off potassium nitrate attached to the surface of the product.
9. The process for manufacturing a 2.5D AG glass panel of claim 8, wherein the post-tempering cleaning step comprises: and (3) cleaning residual waste residues and oil stains on the surface of the glass plate by adopting 10-groove ultrasonic waves and an alkaline cleaning agent, controlling the temperature at 50 ℃ and the frequency at 40HZ, and controlling the rinsing time at 3-5 min.
10. The process for manufacturing a 2.5D AG glass panel according to any one of claims 1 to 9, wherein the step of screen printing comprises: according to different structures of products, silk-screen printing is carried out in different procedures; the technical parameters are as follows: the first process and the window process are required to be used as a first film screen printing plate according to the original size of 1:1, and the subsequent process is used for carrying out corresponding film adjustment according to the characteristics of a product; screen printing: the first screen printing parameter is 165T, and the second screen printing parameter is 150T; the thickness of each layer of ink is controlled to be 0.005mm-0.007mm, the baking temperature is controlled to be 150-160 ℃, and the surface drying time is controlled to be 10 min; the last step of the basic curing is carried out for 20min to 30 min; the printing ink is over hundred times and resists water boiling.
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Application publication date: 20220715 |