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PROFESSIONAL MANUFACTURER OF HIGH-END ENAMEL.COATING AND AUTOMATION EQUIPMENT
TIMS Group Company was firstly founded in 2003 in Shenzhen City. It is a professional company engaged in the research and development, design, production, installation, commissioning, sales, after-sales service, and technical consulting of automated, information-based, greening energy saving and intelligent enamel spraying, high-temperature enamel firing equipment, dust-free painting, powder coating, electrophoresis and other coating equipment, logistics and conveying equipment, robot automation and other non-standard automation equipment. It is a national high-tech enterprise, vice chairman unit of China Enamel Industry Association, benchmark enterprise of China Enamel Industry Association, intellectual property demonstration enterprise of Guangdong Province, contract abiding and trustworthy enterprise of Guangdong Province, specialized, refined, special and new small and medium-sized enterprise of Guangdong Province, innovative small and medium-sized enterprise of Guangdong Province, gazelle enterprise of Dongguan City, member unit of China Household Electrical Appliances Association, and member of the Enamel Technical Committee of the National Standardization Technical Committee for Metal and Non metal Coatings.
E-Coating is Only for Large-Scale Production
electrophoresis coating production line is the backbone of high-volume automotive manufacturing, the technology is highly scalable and provides significant benefits for smaller operations as well. Modern compact and modular system designs from TIMS make E-coating accessible to businesses that don't have massive factory floors. For companies producing high-value, complex parts where quality and corrosion resistance are non-negotiable, the ROI is compelling regardless of volume. A smaller, automated "smart batch" electrophoresis coating production line
What is E-Coating? An In-Depth Explanation
electrophoresis coating production line
E-Coating for Aluminum Wheels
electrophoresis coating production line as the foundation. However, aluminum requires a special pretreatment process—typically a zirconium-based or chrome-free conversion coating—to ensure proper adhesion. After pretreatment, a cathodic acrylic E-coat is applied. This specific type of E-coat is chosen for its excellent UV resistance and smooth surface, making it a perfect primer for a subsequent decorative powder or liquid topcoat. This multi-layer system, starting with a properly applied E-coat from a specialized TIMS electrophoresis coating production line
E-Coating for the Automotive Industry
electrophoresis coating production line, and for good reason. A car body has thousands of spot welds, seams, and hidden cavities that are impossible to protect from rust with conventional sprays. E-coating solves this by providing 100% coverage, inside and out. The entire car body-in-white is submerged, and the electrical process coats every last flange and internal channel, creating a complete, seamless cocoon of corrosion protection. This E-coat layer serves as the critical foundation upon which all subsequent primers, base coats, and clear coats are built. The durability and longevity of a modern vehicle are fundamentally dependent on the quality of the E-coat primer applied by a high-performance cathodic electrophoresis coating production line
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Frequently Asked Question
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The single greatest advantage of an electrophoresis coating production line is its ability to provide complete, uniform coverage on parts with complex geometries. The electrical deposition process, governed by Faraday's law, naturally forces the coating into every recessed area and internal surface, creating a seamless, pinhole-free protective layer that is impossible to achieve with conventional spray methods.
The key difference is the polarity of the part being coated. In a cathodic electrophoresis coating production line, the part is the cathode (negatively charged), which is the modern standard and provides superior corrosion resistance. In an older anodic system, the part is the anode (positively charged). TIMS primarily engineers advanced cathodic systems for maximum performance.
Coating thickness, or film build, is precisely controlled by voltage and immersion time. As the insulating layer of paint is deposited on the part, it increases electrical resistance, automatically slowing the deposition process. This self-limiting effect is a key feature of an electrophoresis coating production line, allowing for precise control and exceptional uniformity, typically within a tolerance of ±2 microns.
A robust pretreatment stage is absolutely critical for a successful electrophoresis coating production line. It typically involves a multi-stage process of cleaning, rinsing, and applying a conversion coating, such as zinc phosphate. This ensures the part is perfectly clean and provides an optimal surface profile for the E-coat to form a permanent chemical bond.
While it is possible to formulate E-coat for use as a single, final coat (often in black), it is most commonly used as a world-class primer. Its primary strengths are adhesion and corrosion protection. An E-coated part provides the perfect foundation for a subsequent powder or liquid topcoat, creating a multi-layer system with maximum durability and aesthetic appeal.
Yes, modern E-coat systems are very environmentally friendly. The process uses water-based paints with very low to zero Volatile Organic Compounds (VOCs). A well-designed electrophoresis coating production line also includes a closed-loop post-rinsing system that captures and reclaims nearly 100% of unused paint solids, making it an extremely efficient and sustainable process.
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