Electrophoretic coating technology is a sophisticated process where the object to be coated is immersed in water-soluble paint and acts as the anode, while a cathode is set up to complete the circuit. By passing direct current between the two poles, the paint is uniformly applied to the object through the physical and chemical effects of the current. This method ensures a high-quality, even coating.
The standard process flow for applying an electrophoretic coating to metal surfaces is as follows: Pre-cleaning → On-line → Oil removal → Washing → Rust removal → Washing → Neutralization → Washing → Phosphating → Washing → Passivation → Electrophoretic coating → Cleaning in the tank → Ultra-filtration → Drying → Off-line. This systematic approach ensures thorough preparation and optimal coating results.
Electrophoretic coating involves four simultaneous processes, each contributing to the effectiveness and quality of the final coat.
1. Electrophoresis: Under the influence of a DC electric field, charged colloidal particles move towards the oppositely charged electrode, a phenomenon also known as swimming. This movement ensures an even distribution of paint.
2. Electrolysis: Redox reactions occur at the electrodes, resulting in oxidation at the anode and reduction at the cathode. These reactions are crucial for the adherence of the coating.
3. Electrodeposition: Electrophoresis causes charged colloidal particles to move towards the anode, where they release electrons and deposit as an insoluble paint film. This phase is pivotal in forming the paint film on the object.
4. Electroosmosis: Under the electric field, the liquid phase moves while the solid phase remains stationary. This process helps to expel water from the paint film, resulting in a highly dense and resistant coating with minimal water content and high resistance.
5. Iron Red Epoxy Electrophoresis Paint Example: This paint system uses modified epoxy resin, butanol, ethanol amine, talc, and iron red substances. Mixed with distilled water, the system separates into positively charged cations and negatively charged anions under DC electric field, undergoing complex physical, chemical, colloidal, and electrochemical changes to form the final coating.
Electrophoretic coating boasts a rapid construction speed, enabling mechanized and automated continuous operation. This method reduces labor intensity and ensures a uniform, strong adhesion paint film. Even parts that are difficult to coat with conventional methods, such as the welding seam of fascia plates, receive a smooth and even coat.
The paint utilization rate in electrophoretic coating is impressively high at 90%-95%. Using water as a solvent, the process is non-combustible, non-toxic, and user-friendly, making it an excellent choice for various applications.
Once dried, the electrophoretic paint film exhibits superior adhesion, rust resistance, corrosion resistance, and weather resistance, outperforming ordinary paints and conventional construction methods. This makes it an ideal solution for high-performance coating needs.
Our state-of-the-art paint spraying line automates the surface coating process, imbuing products with vibrant colors or intricate decorations. Engineered for rapid application, uniform coverage, and peak efficiency, our system minimizes energy consumption while maximizing output. Our innovative up-and-down conveying mechanism features an auxiliary automatic leveling device, seamlessly accommodating materials of varying lengths, all managed through a fully automated process.
1. Experience unparalleled speed, consistent spraying, exceptional efficiency, and minimal energy usage, achieving a productivity rate 4-5 times higher than manual labor.
3. Featuring a rapid color change system tailored to customer specifications, our equipment drastically reduces gun cleaning time and enhances equipment utilization.
4. Centralized control ensures streamlined operation and maintenance.
5. Our advanced conveying track system, designed to handle long and short materials, includes an auxiliary leveling device for effortless and precise automatic control.
6. With decades of expertise in painting processes, our entire painting line is designed for simplicity and efficiency, enabling quick and straightforward operation for workers.
7. The spray gun angle automatically adjusts to match the size and shape of each product.
Our powder spraying line excels in applying paint and plastic coatings to workpiece surfaces. It integrates seamlessly with suspension conveyors, electric rail trolleys, and ground conveyors for a smooth transport operation.
Key components of the powder spraying line include the powder spraying system, pretreatment equipment, painting apparatus, oven, heat source system, electric control system, and suspension conveyor chain. The process encompasses pre-treatment, powder coating, and heating and curing phases.
Advantages of Automatic Powder Spraying Equipment
1. Automatic powder spraying equipment not only reduces labor costs but also significantly enhances product quality and consistency, facilitating stable, large-scale production and resolving productivity challenges.
2. The use of automatic spraying equipment eliminates harmful odors during construction, protecting both the environment and the health of operators.
3. Automatic powder spraying equipment achieves a 70%-80% initial powder utilization rate, with a coating thickness of 60-150 microns. The equipment allows for powder recycling, boosting coating utilization to 90%-98%, and enabling single applications to achieve a thicker coating.
4. The solvent-free powder coating used in automatic powder coating equipment
5. Upon curing, the powder coating achieves a high level of fullness and a soft hue. Its solvent-free nature prevents the formation of pinholes and bubbles, ensuring solid, leak-free transportation.
Q1. What is your standard packing method?
A: Typically, we secure our products using robust bubble wrap, with certain items additionally packed in cartons to ensure optimal protection.
Q2. What are your payment terms?
A: We require a 30% deposit via T/T to commence production, with the remaining 70% balance due before shipment. Prior to final payment, we will provide photos of the products and packaging for your review.
Q3. What are your delivery terms?
A: Our standard quotations are based on FOB Qingdao. However, we also accommodate other terms such as EXW, FOB, CFR, CIF, and DDU.
Q4. What is your typical delivery timeframe?
A: The delivery schedule varies based on project requirements, particularly for custom orders. For voltages differing from 380V/3PH/50Hz, additional time may be needed to source custom motors or electrical components.
Q5. Do you manufacture according to technical drawings?
A: Absolutely. We can produce items based on your technical drawings or specific requirements. Additionally, we offer drawing services to further assist you.
Q6: How do you foster long-term and positive business relationships?
A1. We maintain superior quality and competitive pricing to ensure our customers' continued satisfaction and benefit.
A2. We value each customer as a friend, conducting business with integrity and fostering genuine relationships, regardless of their geographical location.
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