Glass car lens processing technology
The processing technology of the glass car lens was as follows: 1. ** In terms of lens production ** - ** Shaping **: - For spherical glass lenses, the design was relatively simple, but the optical performance was poor and there was a problem of aberrations. If it was to be made, it would need to follow the grinding process of traditional glass lenses. The glass raw materials would be ground and polished into a spherical shape with a specified curvature. - Aspherical glass lenses required high precision and complicated craftsmanship, but the imaging effect was good and could eliminate aberrations. The aspheric glass lens was produced using a hot molding process. Through special molds and heating and pressurizing methods, the glass raw material was processed into an aspheric shape that met the requirements. - ** Material characteristics **: Glass lenses have the advantages of high light transmission, heat resistance, and wear resistance, but the cost is high and it is difficult to mass produce them. These characteristics should be fully considered in the processing process. For example, in the grinding, polishing and other steps, the process parameters should be controlled to ensure high light transmission, and attention should be paid to avoid the heat resistance and wear resistance due to high temperature and friction during processing. 2. ** In terms of lens assembly (Take a car lens as an example)** - Some glass car lens structures involved a space ring between the lenses. Some lenses were integrated with the lens body and the space ring (such as a car lens from Lianchuang Electronic). The lens body and the space ring were made of glass. During assembly, the lenses are bonded by an glue, and the bonded part is the end face of the gap ring or the ineffective part of the lens and the end face of the gap ring. 3. ** Overall lens performance optimization (Take an 8M forward-looking binoculars, large field of view, high-resolution, low-ghosting all-glass car lens as an example)** - Through the optimization of optical design parameters, the selection of appropriate materials and processing technology, the high resolution, wide field of view, and low ghosting performance of the vehicle lens were achieved. In the process of making the lens, one needed to pay attention to the precision control of optical simulation and optical processing to ensure the performance and stability of the lens. Read more exciting novels for free
Glass lens and glass foil
Glass lenses were lenses made of glass lenses. They had high requirements for molding technology, coating technology, precision processing, and other aspects. They had high light transmission and were not easy to age. They were mainly used in high-end imaging fields, such as single-lens reflex cameras, high-end scanner, high-end security video surveillance equipment, and so on. The glass slide was mentioned when observing meteorite slices in the rocky microscope. It was a piece of rock or meteorite that was sawed into a small rectangular shape and ground flat on one side. It was glued to a glass microscope slide with epoxy. After grinding to a thickness of 0.03 mm and sticking a cover glass, it was sandwiched between the glass slide and the cover glass. The two were different concepts that were applied to different scenarios. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Scratched lens glass
If the lens glass is scratched, you can try the following methods to repair it: 1. Cleaning and wiping: Gently wipe the surface of the lens with a clean and soft cloth to remove some minor scratches. 2. Use toothpaste: apply a small amount of non-gel toothpaste on the lens, then slowly and carefully massage it with a soft cloth or cotton swab, then wash it with water and dry it. 3. Professional repair tools: If the above methods do not work, consider using professional camera glass repair tools, which contain special chemicals and polishing materials to help remove more serious scratches. 4. Seek professional help: If self-repair fails or you don't dare to take risks, you can seek the help of professional technicians who have the experience and appropriate tools to deal with such problems. Before attempting any repairs, ensure that the relevant equipment is turned off (if applicable). For the phone camera, if you are not sure about your own repair ability, it is best to consult a professional or go to the local after-sales inspection. The after-sales address/phone number can be inquired in the device settings (For example, the phone can be inquired in the settings-General/More settings-After-sales service menu, or you can go to the official website of the after-sales service center to inquire about the address: <anno data-annotation-id ="0000008 - 4144 - 4470 - 4770 - 80000000000"></anno>.</anno>If the reversing video camera was scratched, it could be replaced directly. If the lens glass of the video surveillance camera was scratched, the glass sheet could be replaced or removed directly (but it would lose its waterproof function. To operate it, the camera shell needed to be opened). <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Processing of semi-finished optical lens
The processing of semi-finished optical lenses involved a variety of processes and equipment. For example, an automatic forming device for semi-finished products of a camera lens, including a concave mold, a heating furnace, a molding device, a frame, a feeding device, and a reversing device. The heating furnace, the molding device, the feeding device, and the reversing device are all arranged on the machine frame, and a number of concave dies are arranged at the output end of the reversing device, and are driven by the reversing device to circulate and pass through the feeding station, the heating station, and the molding station in sequence. The feeding device is arranged at the feeding station and is used for feeding glass raw materials to the concave mold. The heating furnace is at the heating station, and the molding device is at the molding station. The glass raw material blocks in the concave mold are pressed and formed by the molding device after being heated by the heating furnace. The feeding and unloading processes do not require manual participation, and the production efficiency is high. This process was the automatic molding process of the glass lens from raw materials to semi-finished products. The subsequent process of polishing, polishing, and coating the semi-finished product of the camera lens needed to be done to form the finished product of the camera lens. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The lens glass of the samsung s20+
If the lens glass of the samsung s20+ is damaged, you can go to the samsung official repair shop to replace the back cover directly. They could also choose to replace it outside, but there might be a waterproof problem. The price of the lens glass was 1.5 yuan (starting from 5 pieces). It was shipped from Guangdong Province, and the courier fee was 5 yuan. After payment was successful, the delivery would be arranged within 2 days. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Glass resin for camera lens
In camera lenses, glass lenses were widely used. Glass lenses had some advantages. For example, in terms of optical performance, its light transmission rate and sensitivity were higher, and its shooting ability was better in low-light environments. For example, all-glass lenses had better shooting effects at night; Its refraction index was higher, and under the same degree, it was thinner than the resin lens; Moreover, its light transmission rate and mechanical and chemical properties were better. It had a constant refraction index, stable physical and chemical properties, and was more resistant to scratching and not easy to scratch. However, there were also rumors about the use of resin lenses for camera lenses. For example, there was a saying that Canon and Nikon used plastic lenses for low-end lenses. However, according to some people's lens dismantling experience and personal understanding, they believed that there was no use of resin lenses for camera lenses. The reason was that the price of resin lenses was higher than optical glass. Glass lenses used for camera lenses could be mass produced by molds, so manufacturers did not need to use expensive and poorly reputed resin lenses (the use of resin lenses for glasses was to pursue lighter weight and anti-fall performance, but there was no such requirement for camera lenses). In the public information, only composite aspheric lenses were found to contain resin components (made of glass spherical lenses and resin sheets). However, there were also new situations. For example, the Huawei P70 series was rumored to adopt the 1MG +7P molded glass-plastic camera lens solution. Here, 1G and 7P represented the ratio of glass and plastic in the lens, and 70% of the lens was plastic. This design allowed the lens to be easily shaped into an aspheric shape and take up less space. Therefore, the camera lens used glass as the main material, and there were also new directions for the exploration of glass-resin hybrids. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Hammer, phone lens, glass
The lens glass of the Hammer Nut R1 was Corning's third-generation Gorilla Glass with an optical coating. It was not made of sapphire with a higher hardness, so it was prone to scratches. In less than a week after its release, a large area of the lens was scratched. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Speckles on the lens interface glass
If there were spots on the lens interface glass, it might be dust or stains. If it was dust, when the lens was removed, the camera's light-sensitive element (CCD-based or CMOS-based) would be exposed to the air, and the dust would easily contaminate the lens interface and other parts. For dust, you can use the air blowing (ear washing ball) to blow the dust away. Pay attention to maintaining an appropriate distance and angle when blowing to avoid blowing the dust deeper into the lens. If it was a stain, he had to be extra careful when cleaning because the lens interface was an important part of the signal and power transmission between the camera and the lens. If the stain is light, you can try to wipe it gently with a clean and soft lens cloth, but don't use too much force to avoid scratching the glass. If the stain is stubborn, it is not recommended to deal with it yourself. It is best to send it to a professional camera repair shop for cleaning to avoid damage to the lens interface and affect the normal operation of the camera and lens. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Cloth particle processing technology
The following was a processing technique for cloth scraps and foam particles: 1. ** Material preparation **: - the raw materials are prepared according to the parts by weight: 80 to 100 parts of rags, 50 to 60 parts of Deionized Water, 50 to 80 parts of a solution of soda, 3 to 5 parts of calcium carbonate, 3 to 5 parts of titanium dioxide, 3 to 5 parts of chalk powder, 20 to 25 parts of polythene, 5 to 8 parts of flame retarders, 4 to 6 parts of light stabilizing agents, 3 to 5 parts of heat stabilizing agents, 3 to 5 parts of blowing agents, and 5.5 to 7 parts of tribasic lead sulfates. 12 to 15 portions of modified plasticizer. 2. ** Cloth processing **: - The cloth shreds and the Deionized Water were added into a stirring kettle, stirred for 30 - 40 minutes at the speed of 1000 - 1500r/min and the temperature of 60 - 70 ° C, and then filtered to remove the Deionized Water. - adding the washed rags and the solution of soda into a reaction kettle, opening the fabric for 40 - 60 minutes at a rotating speed of 500 - 800r/min and a temperature of 60 - 70 ° C, and then filtering to remove the solution of soda to obtain the fabric fiber. 3. ** Other raw materials processing **: - The method is as follows: crushing the carbon dioxide, the titanium white powder and the chalk powder respectively, removing the large particle size particles through a 1250-mesh sieve, adding the powder into a mixing machine, and stirring for 20 - 30 minutes under the condition of a stirring blade rotating speed of 600 - 750r/min to obtain a mixed powder. 4. ** Material mixing process **: - adding the polythene and the prepared cloth fiber into an internal kneader, and stirring for 30 - 40 minutes at a rotating speed of 60 - 70r/min and a temperature of 125 - 135 ° C until the solid matter is completely melted. - adding a flame retardant, a light stabilizing agent, a heat stabilizing agent and the mixed powder, and stirring for 40 - 60 minutes at the same rotating speed and temperature. - Then, a foaming agent, tribasic lead sulfuric acid, and a modified crystallizer were added, and the mixture was stirred for 30 - 40 minutes at the same rotation speed and temperature to obtain the pre-mix. 5. Forming process: - adding the pre-mixed mixture into a molding foaming machine, and molding and foaming for 10 - 15 minutes under the pressure of 7.5 - 10MP and the temperature of 160 - 170 ° C. - reducing the pressure to normal pressure, standing at 160 - 170 ° C for 5 - 10s, cooling, and cutting into granules to obtain cloth scraps and foaming granules. The novel "Ledge" is equally exciting. Everyone is welcome to click and read it!
Agate jade processing technology
The agate jade processing technique included the following steps: 1. ** Selection of raw materials **: It is important to select high-quality agate raw materials. High-quality agate should have uniform color, high clarity, and no cracks. 2. Cutting: Use a diamond saw blade to saw the agate raw stone into thin slices, and then use a grinder to polish it into the required shape. 3. ** Polishing **: Use a grinding wheel or a grindstone to polish the agate. First, a thicker grinding wheel was used to remove the protruding parts on the surface, and then a finer grinding wheel was gradually used to polish the surface until the desired smoothness was achieved. 4. ** Flat-grinding **: Place the polished agate on a flat-grinding machine for flattening to ensure that the surface of the agate has a suitable smoothness for subsequent processing. 5. [Carving: This is an indispensable part of agate processing.] According to the designer's needs, various patterns, patterns, and words could be carved on the agate by hand, machine, or laser engraving. 6. ** Polishing **: Polishing the carved agate to make its surface smoother and increase its luster. Fine sand such as quartz sand could be used for polishing, and then a soft brush could be used to clean the agate. 7. ** Hole Punch and Beads (for making accessories)**: To make an accessory out of agate, you need to use a drill or other suitable tools to punch a hole and then insert the beads and other materials. 8. ** Inspection and packaging **: After completing the above steps, the final inspection will be carried out to check if there are any obvious defects or defects in the agate. Then, the agate products will be cleaned and packaged. In addition, in the process of processing agate, traditional cutting methods could use diamond circular saws and other cutting tools with higher hardness. Modern technology also used laser or sandblasting to achieve more precise cutting effects. The processing of agate also required the processing personnel to be familiar with the characteristics and hardness of agate, use suitable tools and materials, and have the necessary technology and experience to ensure that the agate could be processed with high quality. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Russian lens technology
From the reference materials alone, it mentioned the famous Russian lens HELIOS44 - 2 (Eight-feathered Monster). This lens was developed in the early 1950s and officially produced in 1958, based on the optical design of the Carl Zeiss Biotar 58/2 lens. There were nearly 20 versions of this lens, and the lens structure basically did not change much. The eight-feathered monster had a unique rotating out-of-focus characteristic. This was due to the incomplete correction of the spherical distortion at the edge of the image field when the aperture was fully opened in the early structural design, which caused the out-of-focus light spot to be compressed into an oval shape. The closer it was to the edge, the more deformed it was. When the out-of-focus was a bright chaotic light spot, it formed a rotating out-of-focus. In terms of image quality, the color was rich and the double Gauss structure was used. The sharpness of the image quality was good, and the special two-line property of the double Gauss made the rotating focal point more obvious. However, there were also some shortcomings. For example, most lenses were single-film or white-headed, and the anti-glare ability was extremely poor. Backlight shooting was prone to fogging and glare, and the coating was soft and difficult to wipe. There were large individual differences. If it was switched to a digital full-frame body, there might be a problem of hitting the board (the back of the DSLR could be solved by polishing, but this problem did not exist for the micro-single lens). At present, this kind of old lens was cheap. It could be bought for a few hundred yuan. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>