CN113264665A - 3D glass strength manufacturing process based on new material - Google Patents
3D glass strength manufacturing process based on new material Download PDFInfo
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- CN113264665A CN113264665A CN202110461125.4A CN202110461125A CN113264665A CN 113264665 A CN113264665 A CN 113264665A CN 202110461125 A CN202110461125 A CN 202110461125A CN 113264665 A CN113264665 A CN 113264665A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- 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
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
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- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
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- 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)
- Surface Treatment Of Glass (AREA)
Abstract
The invention relates to the technical field of glass processing, in particular to a 3D glass strength manufacturing process based on a new material, which comprises the following steps of cutting glass and carrying out CNC processing for one time; cleaning the glass subjected to the CNC machining for one time; carrying out hot bending molding on the glass subjected to the primary cleaning; carrying out secondary CNC (computer numerical control) processing on the glass subjected to hot bending forming; performing scanning treatment on the glass subjected to the secondary CNC machining; carrying out secondary cleaning on the glass after finishing the light sweeping; chemically toughening the glass subjected to secondary cleaning; cleaning the chemically toughened glass for three times; performing pad printing on the glass subjected to the three-time cleaning; cleaning the glass subjected to pad printing for four times; then coating, inspecting, packaging and delivering. The invention solves the problem of product size precision, has high processing precision, and adopts the principle that the product which is subjected to hot bending is subjected to secondary CNC (computerized numerical control) finish machining to be manufactured into the product size, thereby obviously improving the product grade.
Description
Technical Field
The invention relates to the technical field of glass processing, in particular to a 3D glass strength manufacturing process based on new materials for a mobile phone.
Background
In the 5G era, a curved-surface-screen mobile phone is the main trend of smart phone development, and with the further development of touch screen technology and the innovation of production technology, the OLED screen has been more applied to mobile phones due to its performance advantages. Along with the increasing popularity of the flexible curved-surface screen mobile phone, the demand of the glass curved-surface screen is pulled. In recent years, a large number of high-end models have largely used curved glass shields to meet their high quality requirements. In conclusion, the utilization rate of the mobile phone adopting the glass curved screen in the mobile phone industry will be higher and higher in the future, and the window size of the glass curved screen will be gradually enlarged. The scale of the demand of the curved-surface screen of the mobile phone keeps synchronous with the market of the mobile phone and rapidly increases, and meanwhile, the market has higher and higher requirements on the curved-surface screen.
In the traditional glass processing and hot bending process, especially for mobile phone rear cover glass, hot bending is mostly carried out after one-time processing in the processing process, some hole sites are easy to deform after hot bending, the precision is insufficient, and the processing process needs to be further improved.
Disclosure of Invention
In order to solve the problems, the invention provides a new material-based 3D glass strength manufacturing process which solves the problem of product size precision, is high in machining precision through two times of machining, is mainly applied to mobile phone glass rear covers and electronic porous products, and adopts the principle that a product which is subjected to hot bending is subjected to secondary CNC fine machining to be manufactured into the product size, so that the product grade can be remarkably improved.
The technical scheme adopted by the invention is as follows: A3D glass strength manufacturing process based on a new material comprises the following steps:
step S1, performing CNC machining on the glass after cutting, and performing one-time cleaning on the glass after the CNC machining is completed;
step S2, carrying out hot bending molding on the glass subjected to the primary cleaning;
step S3, carrying out secondary CNC machining on the glass subjected to the hot bending forming;
step S4, performing light scanning treatment on the glass subjected to the secondary CNC machining, and performing secondary cleaning on the glass subjected to light scanning;
step S5, chemically tempering the glass which is cleaned for the second time;
step S6, cleaning the chemically tempered glass for three times;
step S7, pad printing is carried out on the glass after the three times of cleaning;
step S8, cleaning the glass after transfer printing for four times;
and step S9, coating film after four times of cleaning, inspecting, packaging and shipping.
In a further improvement of the above scheme, in the step S1, the large glass sheet is cut into a certain size and then is finished to a specified size by CNC.
The scheme is further improved in that in the step S1, the primary cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning solution is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
The further improvement of the above scheme is that in step S2, the cleaned glass is placed into a hot bending mold, and then hot bending molding is performed on the glass by 3D hot bending equipment, wherein the preheating temperature is 500-700 ℃, the molding temperature is 720 ℃ ± 20 ℃, the hot bending time is 100 ± 30S, and the pressure is 0.5 mpa.
In a further improvement of the above scheme, in step S3, the secondary CNC processing is performed to process the hole site of the glass, and the hole site processing precision is ± 0.02 mm.
In step S4, the glass is scanned by a current of 1.4A, a rotation number of the lower disc is 15/min, a rotation number of the upper disc is 55/min, and the scanning time is 60 minutes for the concave surface and 30 minutes for the convex surface.
The scheme is further improved in that in the step S4, the secondary cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning solution is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
The further improvement of the scheme is that in the step S5, the chemical toughening comprises the following steps of primary strengthening for 110-120 minutes at 390 +/-5 ℃, and the ratio of furnace water: 62% of sodium nitrate and 37% of potassium nitrate; performing secondary strengthening for 30-35 minutes at the strengthening temperature of 380 +/-5 ℃, and mixing the furnace water: 3% of sodium nitrate and 97% of potassium nitrate.
The scheme is further improved in that in the step S6, the third cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning solution is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
In a further improvement of the above solution, in step S7, a pattern or a window is pad printed on the glass; in the step S8, the four-time cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
The invention has the beneficial effects that:
the invention relates to a 3D glass strength manufacturing process based on a new material, which comprises the following specific steps of cutting glass and carrying out CNC machining for one time; cleaning the glass subjected to the CNC machining for one time; carrying out hot bending molding on the glass subjected to the primary cleaning; carrying out secondary CNC (computer numerical control) processing on the glass subjected to hot bending forming; performing scanning treatment on the glass subjected to the secondary CNC machining; carrying out secondary cleaning on the glass after finishing the light sweeping; chemically toughening the glass subjected to secondary cleaning; cleaning the chemically toughened glass for three times; performing pad printing on the glass subjected to the three-time cleaning; cleaning the glass subjected to pad printing for four times; and after the four times of cleaning, coating, inspecting, packaging and delivering. The invention solves the problem of product size precision, has high processing precision through two times of processing, is mainly applied to mobile phone glass rear covers and electronic porous products, and has the principle that products with good hot bending are manufactured into the product size through secondary CNC (computerized numerical control) finish machining after the products are subjected to hot bending, so that the product grade can be obviously improved, and the product market competitiveness is improved.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention
A3D glass strength manufacturing process based on a new material comprises the following steps:
step S1, performing CNC machining on the glass after cutting, and performing one-time cleaning on the glass after the CNC machining is completed;
step S2, carrying out hot bending molding on the glass subjected to the primary cleaning;
step S3, carrying out secondary CNC machining on the glass subjected to the hot bending forming;
step S4, performing light scanning treatment on the glass subjected to the secondary CNC machining, and performing secondary cleaning on the glass subjected to light scanning;
step S5, chemically tempering the glass which is cleaned for the second time;
step S6, cleaning the chemically tempered glass for three times;
step S7, pad printing is carried out on the glass after the three times of cleaning;
step S8, cleaning the glass after transfer printing for four times;
and step S9, coating film after four times of cleaning, inspecting, packaging and shipping.
In step S1, the large glass is cut to a certain size, then is precisely machined to a specified size through CNC, is roughly machined through cutting, and is then precisely machined through a CNC machining center, so that the machining precision is high.
In the step S1, the one-time cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10 MOmega-cm; the ultrasonic cleaning adopts an alkaline cleaning agent, the pH value of the alkaline cleaning agent is 11-13, and the ultrasonic cleaning is adopted, so that the cleaning effect is good, and the subsequent treatment is convenient.
Step S2, putting the cleaned glass into a hot bending mould, and then carrying out hot bending forming on the glass by 3D hot bending equipment, wherein the preheating temperature is 500-700 ℃, the forming temperature is 720 +/-20 ℃, the hot bending time is 100 +/-30S, and the pressure is 0.5 mpa; the glass is hot-bent by matching the hot-bending die with the hot-bending equipment, and under the action of corresponding parameters, the forming effect is good and the precision is high.
In step S3, secondary CNC machining is conducted on the hole site of the glass, the machining precision of the hole site is +/-0.02 mm, secondary machining is conducted, the machining precision is further enhanced, and the structure is reliable.
In step S4, the glass is scanned with a device current of 1.4A, a lower disk rotation number of 15/min, an upper disk rotation number of 55/min, a concave surface of 60 minutes and a convex surface of 30 minutes.
In step S4, the secondary cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; an alkaline cleaning agent is adopted for ultrasonic cleaning, and the pH value of the alkaline cleaning agent is 11-13; the ultrasonic cleaning is adopted, the cleaning effect is good, and the subsequent treatment is convenient.
In the step S5, the chemical tempering comprises the following steps of performing primary strengthening for 110-120 minutes at a strengthening temperature of 390 +/-5 ℃, and mixing furnace water: 62% of sodium nitrate and 37% of potassium nitrate; performing secondary strengthening for 30-35 minutes at the strengthening temperature of 380 +/-5 ℃, and mixing the furnace water: 3% of sodium nitrate and 97% of potassium nitrate.
In the step S6, the three-time cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; an alkaline cleaning agent is adopted for ultrasonic cleaning, and the pH value of the alkaline cleaning agent is 11-13; the ultrasonic cleaning is adopted, the cleaning effect is good, and the subsequent treatment is convenient.
In step S7, a pattern or window is pad printed on the glass; in the step S8, the four-time cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; an alkaline cleaning agent is adopted for ultrasonic cleaning, and the pH value of the alkaline cleaning agent is 11-13; the ultrasonic cleaning is adopted, the cleaning effect is good, and the subsequent treatment is convenient.
The invention relates to a 3D glass strength manufacturing process based on a new material, which comprises the following specific steps of cutting glass and carrying out CNC machining for one time; cleaning the glass subjected to the CNC machining for one time; carrying out hot bending molding on the glass subjected to the primary cleaning; carrying out secondary CNC (computer numerical control) processing on the glass subjected to hot bending forming; performing scanning treatment on the glass subjected to the secondary CNC machining; carrying out secondary cleaning on the glass after finishing the light sweeping; chemically toughening the glass subjected to secondary cleaning; cleaning the chemically toughened glass for three times; performing pad printing on the glass subjected to the three-time cleaning; cleaning the glass subjected to pad printing for four times; and after the four times of cleaning, coating, inspecting, packaging and delivering. The invention solves the problem of product size precision, has high processing precision through two times of processing, is mainly applied to mobile phone glass rear covers and electronic porous products, and has the principle that products with good hot bending are manufactured into the product size through secondary CNC (computerized numerical control) finish machining after the products are subjected to hot bending, so that the product grade can be obviously improved, and the product market competitiveness is improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A3D glass strength manufacturing process based on a new material is characterized in that: the method comprises the following steps:
step S1, cutting the glass, performing CNC machining, and cleaning the glass subjected to CNC machining;
step S2, carrying out hot bending molding on the glass subjected to the primary cleaning;
step S3, carrying out secondary CNC machining on the glass subjected to the hot bending forming;
step S4, performing light scanning treatment on the glass subjected to the secondary CNC machining, and performing secondary cleaning on the glass subjected to light scanning;
step S5, chemically tempering the glass which is cleaned for the second time;
step S6, cleaning the chemically tempered glass for three times;
step S7, pad printing is carried out on the glass after the three times of cleaning;
step S8, cleaning the glass after transfer printing for four times;
and step S9, coating film after four times of cleaning, inspecting, packaging and shipping.
2. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in step S1, the large glass sheet is cut into a certain size and then is finished to a specified size by CNC machining.
3. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S1, the one-time cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
4. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S2, the cleaned glass is placed into a hot bending mold, and then hot bending molding is performed on the glass by a 3D hot bending device, wherein the preheating temperature is 500 ℃ to 700 ℃, the molding temperature is 720 ℃ ± 20 ℃, the hot bending time is 100 ± 30S, and the pressure is 0.5 mpa.
5. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S3, secondary CNC machining is performed on hole positions of the glass, and the hole position machining precision is +/-0.02 mm.
6. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S4, the glass is scanned with a device current of 1.4A, a lower disk rotation number of 15/min, an upper disk rotation number of 55/min, and a scanning time of 60 minutes for a concave surface and 30 minutes for a convex surface.
7. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S4, the secondary cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
8. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S5, the chemical tempering comprises the following steps of performing primary strengthening for 110-120 minutes at 390 +/-5 ℃, wherein the furnace water ratio is as follows: 62% of sodium nitrate and 37% of potassium nitrate; performing secondary strengthening for 30-35 minutes at the strengthening temperature of 380 +/-5 ℃, and mixing the furnace water: 3% of sodium nitrate and 97% of potassium nitrate.
9. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in the step S6, the third cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
10. The new material based 3D glass strength manufacturing process according to claim 1, characterized in that: in step S7, pad printing a pattern or window on the glass; in the step S8, the four-time cleaning is ultrasonic cleaning, in the cleaning process, the ultrasonic current is 3.5 +/-0.5A, the temperature of the cleaning liquid is 45 +/-5 ℃, the cleaning time is 80 +/-20S, and the pure color resistivity is more than or equal to 10M omega cm; the ultrasonic cleaning is carried out by adopting an alkaline cleaning agent, and the pH value of the alkaline cleaning agent is 11-13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110461125.4A CN113264665A (en) | 2021-04-27 | 2021-04-27 | 3D glass strength manufacturing process based on new material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110461125.4A CN113264665A (en) | 2021-04-27 | 2021-04-27 | 3D glass strength manufacturing process based on new material |
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| CN113264665A true CN113264665A (en) | 2021-08-17 |
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| CN202110461125.4A Pending CN113264665A (en) | 2021-04-27 | 2021-04-27 | 3D glass strength manufacturing process based on new material |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015114A (en) * | 2017-06-09 | 2018-12-18 | 蓝思科技（长沙）有限公司 | A kind of processing method of the 3D glass product containing blind hole |
| CN113286017A (en) * | 2021-04-27 | 2021-08-20 | 广东星星精密玻璃科技有限公司 | High-precision 3D glass numerical control secondary forming process |
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2021
- 2021-04-27 CN CN202110461125.4A patent/CN113264665A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015114A (en) * | 2017-06-09 | 2018-12-18 | 蓝思科技（长沙）有限公司 | A kind of processing method of the 3D glass product containing blind hole |
| CN113286017A (en) * | 2021-04-27 | 2021-08-20 | 广东星星精密玻璃科技有限公司 | High-precision 3D glass numerical control secondary forming process |
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Application publication date: 20210817 |