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  • Common problems in the process of spraying
    Common problems in the process of spraying
    Jul 25, 2025
    Spray unevenness is a common quality problem, which may lead to inconsistent coating thickness and affect the appearance and durability of products. The common reasons are as follows: 1. Unstable spray pressure: During the spraying process, if the pressure of the spraying equipment is unstable, it will lead to uneven powder spray and affect the uniformity of the coating. Common causes include unstable compressed air system, poor connection between the spray gun and the electrostatic generator, etc.  resolvent : .      Ensure that the pressure of the compressed air system is stable and check it regularly. .      Adjust the nozzle pressure to ensure that the pressure is within the recommended range. .      Check the connection of the equipment to ensure that the voltage between the spray gun and the power supply is stable.     2. The spray gun distance is not appropriate: If the distance between the nozzle and the surface of the substrate is too close or too far, the spraying will be uneven. If the distance is too close, the powder injection amount is too large, which is easy to form accumulation; if the distance is too far, the adhesion of the powder is insufficient, which is easy to produce thin coating or splash.  resolvent : Adjust the position of the spray gun according to the recommended distance in the equipment manual. The distance between the spray gun and the substrate is usually recommended to be 15-30cm. Adjust the Angle of the spray gun to ensure that the powder can cover the surface evenly. 3. Improper control of powder spray: Too much or too little powder spraying will lead to uneven spraying, too much powder will lead to thick coating, too little powder will lead to uneven coating and poor adhesion.  resolvent : .     Use the powder flow control function of the spraying equipment to ensure that the powder amount is appropriate. .     Check the nozzle of the spray gun regularly to ensure that there is no blockage and the powder flow rate is stable.  
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  • Preparation for spraying
    Preparation for spraying
    Jul 10, 2025
    1. Surface treatment requirements of substrate Before spraying, the surface treatment of the substrate is very important, which directly affects the adhesion and quality of the coating. Common surface treatment methods include: Cleaning: The substrate surface must be clean without oil, dust, rust and other impurities. Impurities can be removed by chemical cleaning or mechanical cleaning (such as sandblasting, grinding). Oil and water will cause the powder coating to adhere firmly. Rusting: Steel and other metal materials are prone to rust in the process of use. Before spraying, rust should be removed by sandblasting, acid washing or electrolysis to ensure that there is no rust and oxide on the surface. Phosphating treatment: Phosphating treatment for steel, aluminum alloy and other materials can effectively improve the corrosion resistance of the substrate surface and enhance the adhesion of the coating. Phosphating film is a uniform and strong coating, which contributes to the stability of powder coating. Preheating: For some materials, such as aluminum alloys, preheating treatment can improve the adhesion of the coating, especially when spraying in high humidity.   2. Control of spraying environment The control of spraying environment has an important impact on coating quality and spraying effect. The main control factors include: Temperature and humidity: The temperature and humidity of the spraying environment should be kept within a certain range. Usually, the temperature is between 18°C and 30°C, and the humidity is controlled below 50%. Too high humidity may lead to powder moisture absorption, which will affect the spraying effect, and even produce bubbles and cracks. Air quality: The spraying area should be kept clean to avoid dust and impurities polluting the coating. The air should not contain too much moisture and oil and gas to avoid the coating peeling off or bubbles after spraying. Ventilation: The spraying area should be kept in good ventilation, so as to discharge the dust in time during the spraying process and ensure the safety of construction personnel.   3.Selection and storage of spray powder Correct selection of appropriate spray powder is the guarantee of spray quality. The selection of powder should be based on the following points: Types of Powder Coatings: Electrostatic powder coatings come in various types, including polyester powder, epoxy powder, and acrylic powder. Different types are suitable for different application scenarios. For instance, polyester powder is ideal for outdoor product coating due to its excellent weather resistance, while epoxy powder excels in indoor applications thanks to superior corrosion resistance. Particle size: The particle size of powder affects the spraying effect and the flow of powder. Generally speaking, the finer the particles, the more uniform the coating will be, but too small particles may cause splashing during the spraying process. Usually, the particle size of spraying powder is between 20-100 microns. Color selection: Select the appropriate powder color according to your needs. Powder coatings are generally available in a variety of colors and effects, such as matte, gloss or metallic effects. Storage requirements: Dry storage: The sprayed powder should be stored in a dry, cool place, avoid moisture, otherwise the powder may absorb moisture, affecting the spraying effect. Sealing storage: because the powder coating is easy to absorb moisture and occur lumping, it must be kept in good packaging, sealed storage, and avoid contact with air. Validity: Each powder coating has a validity period, expired powder may affect the spraying quality, should be used as far as possible within the validity period.         Common problems in the next stage of coating process
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  • Overview of electrostatic powder coating
    Overview of electrostatic powder coating
    Jun 16, 2025
    What is electrostatic powder coating? Electrostatic powder coating involves applying a powder coating to a substrate using electrostatic force, which then solidifies into a coating through heating. The powder coating typically consists of resin, curing agent, and pigments. During the spraying process, the powder is charged by a spray gun and then adsorbed onto a metal or other substrate with opposite charges by an electric field. After the spraying is complete, the substrate is heated in an oven, causing the powder to melt and solidify, resulting in a strong, durable coating.   Advantages and Application Fields of Electrostatic Powder Coating Advantages: -Environmental friendliness: Electrostatic powder coating does not produce volatile organic compounds (VOCs), reducing environmental pollution. -High efficiency: The powder is almost 100% utilized during the spraying process, with minimal waste. -Strong durability: The coating offers excellent resistance to corrosion, wear, and high temperatures. -Wide adaptability: It can be applied to various materials, including metals and plastics, particularly steel and aluminum alloys. -No solvent pollution: The absence of solvents reduces the risk of harm to the environment and operators. Application Fields: -Home appliance industry: Used for painting the exteriors of home appliances, such as refrigerators and washing machines. -Automotive industry: Primarily used for painting body parts and chassis. -Furniture industry: For painting metal components of furniture to prevent rust and enhance appearance. -Construction industry: Surface treatment for components like doors, windows, window frames, and steel structures. -Metal products: Anti-corrosion coatings for steel and aluminum products.   Introduction to Common Spraying Equipment: Electrostatic powder spraying requires a comprehensive equipment system. Common equipment includes: -Spray Gun: The spray gun is the core device of electrostatic spraying, charging the powder coating with a high-voltage power supply. It comes in handheld and automatic types, suitable for various production scenarios. -Electrostatic Generator: The electrostatic generator generates an electric field, which charges the powder coating. It connects to the spray gun to control the charge distribution and powder quantity during the spraying process. -Powder Supply System: This system includes a powder hopper and a conveying system, which supply powder to the spray gun. Common types include pneumatic and electric systems. -Curing Oven: The curing oven is a heating device used after spraying to heat the coated object, causing the coating to melt and solidify, forming a durable layer. -Air Compressor System: This system provides the compressed air needed during the spraying process, helping the powder to be sprayed out of the spray gun and adhere to the substrate surface.         Next time we'll talk about pre-spray preparation
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  • Encountering the Industrial Screening Elf: Stainless Steel Vibrating Screen (Part 2)
    Encountering the Industrial Screening Elf: Stainless Steel Vibrating Screen (Part 2)
    May 30, 2025
    The application scope of the stainless steel vibrating screen spans multiple key sectors. In the food industry, it is a loyal guardian of quality assurance. When dealing with flour, it can keenly sieve out impurities, making every strand of flour delicate and pure, laying a solid foundation for baking delicious dishes. When faced with granular candies and nuts, it acts like a rigorous sorter, accurately grading them according to size to meet different packaging and consumption requirements. In the pharmaceutical field, it transforms into a guardian of drug quality. When screening drug particles, it ensures that each one is of uniform size, allowing the drug ingredients to be evenly distributed and safeguarding the stable efficacy of the medicine. In the chemical industry, it is a capable assistant on the production line. Whether it is pre - treating a wide variety of chemical raw materials or finely screening finished products, it can strike precisely, meeting the strict requirements for material particle size in different production links.   Upon further analysis, the advantages of the stainless steel vibrating screen shine brightly. In terms of screening efficiency, it outpaces traditional screening equipment at a lightning - fast speed, capable of completing the screening of a large quantity of materials in a very short time, like giving the production efficiency a pair of wings to take off. In terms of operation, it fully demonstrates its human - centered charm. By simply and conveniently setting the vibration parameters, it can easily adapt to the "individual needs" of different materials. Even novice operators can quickly get the hang of it. Its operational stability is even more commendable. Thanks to its robust and reliable structural design and high - quality components, the failure rate is extremely low, saving enterprises a large amount of maintenance costs and precious time. The stainless steel vibrating screen, this elf in the field of industrial screening, with its superior material, ingenious principle, wide - ranging application, and strong advantages, has deeply embedded itself in the texture of modern industrial production. It stands firm in an ordinary position but contributes a steady stream of power with extraordinary strength to ensure product quality and promote the improvement of production efficiency, becoming a trusted and relied - upon "screening partner" for numerous enterprises.  
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  • Encountering the Industrial Screening Elf: Stainless Steel Vibrating Screen (Part 1)
    Encountering the Industrial Screening Elf: Stainless Steel Vibrating Screen (Part 1)
    May 26, 2025
    In the precisely - operating machinery of industrial production, the screening process is like a low - key yet indispensable behind - the - scenes hero. And the stainless steel vibrating screen is precisely the magic wand in the hands of this hero. With its outstanding performance, it accurately controls the particle size in the production processes of numerous industries. When you first lay eyes on a stainless steel vibrating screen, its simple and tough lines and sturdy texture leave a deep - seated impression. It is meticulously crafted from stainless steel throughout. This material is nothing short of an ideal choice for industrial equipment. On the one hand, its superlative corrosion resistance allows it to move leisurely in humid environments, remaining unfazed by the "erosion tests" of acidic and alkaline substances, thus significantly extending the equipment's service life. On the other hand, its smooth and clean surface makes cleaning and maintenance a breeze, perfectly meeting the extremely strict hygiene standards of industries such as food and pharmaceuticals. Beneath its regular shape, the screen mesh area above is like a discerning "慧眼" (keen eye). Under the coordinated operation of its precise structure, it is always ready to embark on an efficient screening journey.   Delving deeper into its working principle is like unlocking a "particle dance" in the microscopic world. The vibrating motor releases a powerful exciting force, which is like playing a vibrant rhythm, driving the screen body to vibrate periodically and reciprocally in a specific direction. Materials rush into the screen mesh stage like a group of lively dancers. Under the rhythm of vibration, particles smaller than the screen mesh aperture are like agile elves, quickly passing through the screen mesh and falling lightly; while the "big - sized" particles larger than the screen mesh aperture linger on the screen surface for a while and finally exit orderly from the discharge port. The entire screening process is completed in one smooth flow, accurately and efficiently achieving the rapid separation of materials of different particle sizes.    
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  • Small Powder Friction Electrostatic Spray Gun: Small Body, Great Power
    Small Powder Friction Electrostatic Spray Gun: Small Body, Great Power
    May 04, 2025
    In the field of spraying, the small powder friction electrostatic spray gun is becoming an ideal choice for many small and medium - sized enterprises and specific spraying scenarios due to its unique advantages. Today, let's explore the mysteries of this spray gun in depth. I. The Unique Working Principle of the Small Powder Friction Electrostatic Spray Gun The working principle of the small powder friction electrostatic spray gun is different from that of traditional electrostatic spray guns. Traditional electrostatic spray guns charge the powder through a high - voltage electric field, while the friction electrostatic spray gun makes the powder particles obtain electric charges through friction with special materials inside the gun. When the powder passes through the spray gun, it rubs against the insulating material on the inner wall of the gun. The electrons on the surface of the powder particles are transferred, so that the powder particles are positively charged. The grounded workpiece then becomes a "magnet" to attract these positively charged powders, causing the powders to be evenly adsorbed on the surface of the workpiece, forming a dense coating. This unique way of charging does not require a high - voltage electric field, greatly reducing the complexity and safety risks of the equipment.   II. The Remarkable Advantages of the Small Powder Friction Electrostatic Spray Gun 1.Compact and Flexible, Suitable for Diverse Scenarios Its "small" feature endows it with high flexibility. For some small workshops with limited space, or when it is necessary to spray small and complex - shaped parts, traditional large - sized spray guns are difficult to operate, while the small powder friction electrostatic spray gun can handle these tasks easily. For example, in the handicraft production and small metal parts processing industries, it can accurately spray every part without missing any details. 2.Excellent Powder Adhesion Performance Since the powder is charged through friction, its charging method is relatively gentle and uniform, making the adhesion between the powder and the workpiece surface stronger. Compared with other spraying methods, the coating sprayed by the small powder friction electrostatic spray gun is more firmly attached and less likely to fall off. In the spraying of outdoor metal signs, the coating of the signs sprayed by it can still maintain a good adhesion state under long - term exposure to wind and sunlight, effectively extending the service life of the signs. 3.Significant Cost - effectiveness On the one hand, the equipment itself is relatively inexpensive, and the initial investment cost is not high, which is more acceptable for small and medium - sized enterprises with limited funds. On the other hand, it has low energy consumption and high powder utilization. Due to the uniform charging of the powder, it can be more effectively adsorbed on the workpiece, reducing powder waste. In the long run, it can save a large amount of raw material costs for enterprises. According to statistics, compared with some traditional spray guns, the small powder friction electrostatic spray gun can increase the powder utilization rate by 20% - 30%. III. Key Points of Use and Maintenance of the Small Powder Friction Electrostatic Spray Gun 1.Correct Operation is Crucial Before use, ensure that the spray gun is correctly and firmly connected to the powder supply system, grounding device, etc. Reasonably adjust parameters such as the air pressure and powder flow rate of the spray gun according to the material, shape of the workpiece, and the required coating thickness. During the operation, maintain an appropriate distance and moving speed between the spray gun and the workpiece surface. Generally, the distance is controlled between 15 - 30 cm, and the moving speed should be uniform to obtain an ideal coating effect. 2.Regular Cleaning and Inspection After each use, clean the residual powder inside the spray gun in a timely manner to prevent powder caking from affecting the next use. Regularly inspect all components of the spray gun, such as whether the nozzle is blocked and whether the powder feeding pipeline is damaged. Replace severely worn components in a timely manner to ensure that the spray gun is always in the best working condition. At the same time, pay attention to keeping the spray gun dry to avoid rusting of internal components due to a humid environment. The small powder friction electrostatic spray gun, with its unique working principle and remarkable advantages, has brought new solutions to the spraying work of many industries. As long as it is correctly selected, used, and maintained, it will play a huge role in improving product quality and reducing costs. I hope this blog can help you better understand and use this "small but powerful" spraying tool.
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  • Choose Our Vibrating Screens! These Five Advantages You Can't Miss!
    Choose Our Vibrating Screens! These Five Advantages You Can't Miss!
    Apr 22, 2025
    Hello, everyone! Among numerous screening equipment, our vibrating screens have won the trust and praise of many customers with their unique advantages. Today, I'd like to tell you in detail what practical benefits you can get by choosing our vibrating screens. Advantage 1: Extremely High Screening Efficiency   Our vibrating screens adopt advanced vibration technology, enabling materials to fully move and stratify on the screen surface. During the vibration process, fine particles can quickly pass through the screen holes, while larger particles will be orderly retained on the screen surface and transported to the corresponding positions. Compared with traditional screening equipment, it can handle a large amount of materials in a shorter time, greatly improving the efficiency of the entire production process and saving precious time and costs for your enterprise.     Advantage 2: Wide Range of Applicability   Whether you are dealing with granular ores, coal, powdered chemical raw materials, pharmaceuticals, or materials with a certain degree of viscosity, our vibrating screens can handle them with ease. They are widely used in numerous industries such as mining, metallurgy, construction, chemical engineering, food, and pharmaceuticals, truly being able to "handle" all kinds of materials and different application scenarios. You no longer need to worry about frequently replacing screening equipment due to different material characteristics.     Advantage 3: Simple Structure and Easy Maintenance   The overall structural design of the vibrating screen is simple and clear. It mainly consists of several key components such as the screen box, vibrator, and springs. Such a structure not only makes the manufacturing process of the equipment more stable and reliable and reduces production costs but also makes it very convenient to operate when there are some minor failures or maintenance is required in the later use process. You don't need a professional technical team to spend a lot of time on troubleshooting and maintenance. Ordinary staff can easily get started after simple training, which saves you a lot of trouble in equipment maintenance.   Advantage 4: High Adjustability   We are well aware that different customers and different production scenarios have different requirements for screening. Therefore, this vibrating screen has a strong adjustable function. You can flexibly adjust parameters such as the vibration frequency of the vibrator, the amplitude size, and the inclination angle of the screen surface according to the particle size of the materials, the properties of the materials, and the actual production output requirements to ensure that the screening effect can reach the best state every time and meet your diverse production needs. Isn't it very considerate?   Advantage 5: Energy-saving and Environmentally Friendly   In the current era when green production is advocated, our vibrating screens are also keeping up with the pace. They consume relatively less energy during the operation process and won't be like some old-fashioned equipment that is a "big energy consumer". Moreover, during the screening process, they hardly produce a large amount of pollutants such as dust and exhaust gas, which not only saves you energy costs but also helps you build a green and environmentally friendly production environment, enabling your enterprise to take solid steps on the path of sustainable development.   These are the five advantages of our vibrating screens! If you are worried about finding a high-quality and efficient screening equipment, you might as well consider our products. We also provide professional pre-sales consultation and after-sales guarantee services, so you don't have to worry about anything. We are looking forward to cooperating with you! 
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  • Unlocking Vibrating Screen Separation Equipment: The Core Weapon in Industrial Screening
    Unlocking Vibrating Screen Separation Equipment: The Core Weapon in Industrial Screening
    Apr 16, 2025
    In the complex processes of industrial production, vibrating screen separation equipment is like an unsung hero, quietly playing a vital role. From mining to food processing, from the chemical industry to building materials production, vibrating screen separation equipment has become a key device for numerous industries to ensure product quality and production efficiency by virtue of its unique working principle and excellent performance.   The vibrating screen separation equipment generates vibration through motor drive, making the materials move in a complex manner on the screen surface. This vibration prompts the materials to be evenly dispersed, with smaller particles passing through the screen mesh while larger particles are intercepted, thus achieving precise particle separation. Take the mining industry as an example. After the raw ore is mined, it contains a large number of impurities and ore particles of different particle sizes. The vibrating screen separation equipment can quickly grade the ores according to particle size, providing suitable raw materials for subsequent beneficiation, crushing and other processes, greatly improving the efficiency and economic benefits of the entire mining operation.   In the field of food processing, vibrating screen separation equipment can be used to screen raw materials such as flour and grains, removing impurities and foreign objects therein to ensure the hygiene and quality of food. In the chemical industry, it screens powdered and granular chemical products to ensure the consistency of product particle size and improve the stability of product quality.     When choosing vibrating screen separation equipment, factors such as processing capacity, screening accuracy, and equipment material should be considered comprehensively. Requirements for these parameters vary greatly among different industries. For example, the food industry needs to adopt materials that meet food hygiene standards, while the mining industry pays more attention to the wear resistance of the equipment. Only by choosing the right equipment can it play its maximum value in the production process and create more benefits for enterprises.    
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  • Electrostatic Spraying: A Comprehensive Analysis of the Efficient and Environmentally Friendly Coating Process
    Electrostatic Spraying: A Comprehensive Analysis of the Efficient and Environmentally Friendly Coating Process
    Dec 31, 2024
    In modern industrial manufacturing, coating processes play a vital role in protecting products and enhancing their aesthetics. And electrostatic spraying,as a remarkable technology, is gradually changing the production methods in numerous industries.   Electrostatic spraying utilizes a high-voltage electrostatic field to make negatively charged paint particles move in the direction opposite to the electric field and adsorb them onto the surface of workpieces, forming a uniform coating. Why does this process stand out?   Firstly, in terms of efficiency, electrostatic spraying can achieve automated operation and significantly increase the production speed. Compared with traditional spraying methods, it can complete the spraying of more workpieces in a shorter period of time, reducing labor costs and time costs. This is undoubtedly a major advantage for industrial manufacturing enterprises that pursue efficient production.   Secondly, in terms of environmental protection, electrostatic spraying has significant advantages. Due to the electrostatic adsorption effect, the utilization rate of paint is greatly improved, reducing paint waste and volatilization and lowering environmental pollution. Moreover, the exhaust gas emissions generated by electrostatic spraying are relatively low, meeting the current strict environmental protection standards. This makes enterprises that attach importance to environmentally friendly spraying processes choose it one after another.   Whether it is in automobile manufacturing, furniture production or the processing of electronic product casings, electrostatic spraying has a wide range of applications. For example, when the automobile body is sprayed using electrostatic spraying technology, it can not only make the coating on the body surface more uniform and smooth, improving the appearance texture, but also enhance the adhesion and durability of the coating and extend the service life of the automobile. In the automobile manufacturing industry , electrostatic spraying has already become one of the key technologies for improving product quality.   If you are interested in industrial coating technologies or are looking for a more efficient and environmentally friendly spraying solution, electrostatic spraying is undoubtedly worth in-depth study.         
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  • Common Problems and Solutions for Electrostatic Spraying, Understand It Through One Article!
    Common Problems and Solutions for Electrostatic Spraying, Understand It Through One Article!
    Mar 27, 2025
    Although electrostatic spraying is an advanced coating process, some common problems may also be encountered during the actual operation process. Today, we will interpret these problems in detail for you and provide effective solutions.   Problem One: Uneven coating thickness. This may be caused by inconsistent distances between the spray gun and the workpiece or uneven spraying speeds. The solution is to precisely adjust the distance between the spray gun and the workpiece before operation and maintain a stable spraying speed. Meanwhile, regularly check the atomization effect of the spray gun to ensure that the paint can be sprayed evenly.   Problem Two: Pinholes or bubbles appear. This is often due to the presence of water or air in the paint and improper surface treatment of the workpiece. To solve this problem, it is necessary to fully stir and filter the paint before spraying to remove the water and impurities therein. Also, conduct a thorough cleaning and degreasing treatment on the surface of the workpiece to ensure that the surface is clean and dry.   Problem Three: Leakage occurs during electrostatic spraying. This may be caused by poor grounding of the equipment or damage to the insulation of the spray gun. At this time, it is necessary to promptly check the grounding system of the equipment to ensure good grounding. Meanwhile, regularly check the insulation parts of the spray gun, and if there is any damage, they should be replaced immediately.   Understanding and solving these common problems can make your electrostatic spraying process smoother and ensure better product quality. We hope that this article can provide some practical help for friends engaged in electrostatic spraying work.       
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  • Automation of Electrostatic Spraying: Reshaping the Production Pattern
    Automation of Electrostatic Spraying: Reshaping the Production Pattern
    Mar 27, 2025
    With the advancement of Industry 4.0,automation technology of electrostatic spraying is reshaping the production pattern at an unprecedented speed. The automated electrostatic spraying system, relying on its characteristics of high efficiency, precision and stability, is becoming a key factor for numerous manufacturing enterprises to enhance their competitiveness.   The automated electrostatic spraying production line has realized the full-process automated electrostatic spraying operations from workpiece transportation, spraying to quality inspection. Through advanced robotic technology, spraying robots can conduct precise spraying according to preset trajectories and parameters, ensuring that each workpiece can obtain a consistent coating effect. Compared with manual spraying, robot spraying is faster and there will be no fluctuations in spraying quality due to fatigue. For example, in large automobile manufacturing factories, the automated electrostatic spraying production line can complete the spraying work of a large number of vehicle bodies in a short time, and the error of coating thickness can be controlled within a very small range, which greatly improves the production efficiency and the stability of product quality.   In addition, the automated electrostatic spraying system also has a high degree of flexibility. By adjusting the program, it can meet the spraying requirements of workpieces with different shapes and sizes and achieve coating for diversified products. This enables enterprises to respond quickly to market changes and produce diversified products. In the field of 3C product manufacturing, automated electrostatic spraying equipment can accurately adjust the spraying path according to the shapes of the casings of different models of mobile phones and tablets to realize personalized coating operations.   Automated electrostatic spraying is also deeply integrated with the intelligent control system to achieve intelligent production management. Various data in the production process, such as the amount of paint used, spraying speed, coating thickness, etc., can be monitored and analyzed in real time. Once an abnormality occurs, the system will immediately issue an alarm and automatically adjust to realize the intelligent management of the production process. This not only improves production efficiency but also enables the timely detection of potential quality problems and reduces production costs.     With the continuous development and improvement of the automation technology of electrostatic spraying, it will be widely applied in more industries, bringing higher production benefits and better products for enterprises and leading the manufacturing industry to a new stage of development.          
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