Reduce Warranty Claims and Increase Customer Satisfaction.

Reduce Warranty Claims and Increase Customer Satisfaction.

The most technically challenging part of any water heater enamel production line is the application of the enamel inside the tank. It’s a blind process that demands absolute precision. At TIMS COATING, we have perfected this process with our advanced robotic lance sprayer systems. We design multi-nozzle lances that are inserted deep into the rotating tank. As the lance retracts at a controlled speed, it sprays a perfectly atomized and distributed cloud of enamel slip, ensuring a uniform wet film across the entire interior surface, including the difficult top and bottom flanges. I have personally overseen the tuning of these systems, and this mastery of the interior application is a key reason our water heater enamel production line produces tanks with industry-leading coverage and quality.

 

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2003

2003

Enterprise Establishment

22

22

Experiences

180

180

Employees

115000

115000

Cover An Area

5800

5800

Registered Capital

120

120

Patents

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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.

         

 

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The Future: Smart Sensors Inside the Tank Lining Process

The future of the water heater enamel production line is about data and process verification. At TIMS COATING, we are working on integrating advanced sensors to provide even greater quality assurance. Imagine non-contact sensors that can measure the thickness of the wet enamel film inside the tank in real-time, allowing the robot to make micro-adjustments on the fly. Imagine thermal imaging systems that monitor the tank as it exits the furnace to verify a uniform cure. This move toward a "smart" water heater enamel production line will allow for 100% quality verification on every single unit, transitioning from a process of control to a process of absolute certainty.

What is the Glass Lining Process for a Water Heater Tank?

The glass lining process, performed on a water heater enamel production line, is a method of fusing a layer of porcelain enamel to the interior of a steel tank. The process begins with meticulous multi-stage pretreatment to clean and etch the interior steel surface. Then, a wet slurry or dry powder of specialized glass frit (enamel) is applied to the interior. The crucial step is firing the tank in a furnace at approximately 850°C (1560°F). This extreme heat melts the glass particles and fuses them to the steel, creating a seamless, non-porous, and highly corrosion-resistant layer. This glass lining is what protects the tank from constant contact with hot water, giving the water heater its long service life.

What Causes Enamel to Disbond from the Steel Tank?

Disbonding or "popping off" of the enamel is a catastrophic failure that originates on the water heater enamel production line. The primary cause is an improper bond between the steel and the ground coat. This is almost always due to a failure in the pretreatment stage. If the steel is not perfectly clean and properly etched, the enamel has nothing to grip onto. Another cause can be using the wrong type of steel or an improperly formulated ground coat. A TIMS COATING water heater enamel production line eliminates these risks through a meticulously controlled, multi-stage pretreatment process and deep expertise in the material science of the enameling process.

The Importance of Pretreatment and Draining

In a water heater enamel production line, the pretreatment stage is uniquely challenging. Unlike flat parts, the chemicals must fully coat and then fully drain from the inside of a hollow tank. Any trapped liquid ("puddling") can ruin the finish. At TIMS COATING, we solve this by designing our conveyor systems with integrated, programmable tilting and rotating mechanisms. As the tank exits each pretreatment stage, it is automatically tilted at a steep angle and rotated to ensure every last drop of chemical or rinse water drains out. This meticulous attention to the draining process is a critical, behind-the-scenes detail that is essential for a successful water heater enamel production line.

User Reviews

What users say about TIMS COATING

The automatic spray painting production line has greatly improved our coating consistency. The robotic system ensures precision and saves a lot of labor costs.

David Chen

We have been running the enamel production line for over a year. It is stable, reliable, and the coating quality is excellent. Highly recommend for water heater tank manufacturing.

Michael Rodriguez

The electrophoresis production line for compressors delivers strong anti-corrosion coating and reduces rework rates. Very satisfied with both the equipment and technical support.

Sarah Johnson

This powder spraying line integrates pre-treatment and coating seamlessly. It improved our efficiency by nearly 30% and the finished shells look flawless.

Kenji Nakamura

Great investment! The automated production line not only increased our output but also helped us meet environmental standards with lower emissions and less paint waste.

Ahmed Hassan
Frequently Asked Question

Do you have any question?

A water heater enamel production line uses a specialized "glass lining" enamel. It is a specific formulation of porcelain enamel designed to withstand constant immersion in hot water and to have a coefficient of thermal expansion that closely matches the steel tank, allowing it to flex without cracking over thousands of heating cycles.

Achieving 100% interior coverage is the primary challenge. A TIMS COATING water heater enamel production line uses specialized application methods. For wet application, a lance enters the tank and sprays the enamel slip while the tank rotates. For dry powder application, a specialized gun fluidizes the powder and "pours" it into the tank, which is then tilted and rotated to ensure the powder electrostatically adheres to all interior surfaces.

The most common failure is corrosion caused by a microscopic "pinhole" or holiday in the enamel lining, which is a process defect. This is why a high-quality water heater enamel production line is so critical. By ensuring meticulous pretreatment and a flawless application process, we eliminate these pinholes, which are the primary cause of premature tank failure and warranty claims.

The furnace is a critical stage of the water heater enamel production line. It must heat the entire cylindrical tank to a uniform temperature of around 850°C (1560°F). This melts the glass particles and fuses them to the steel, creating the final impervious glass lining. Our furnaces are specially designed to heat these hollow forms evenly to prevent defects.

Yes. We engineer every water heater enamel production line for the specific range of tanks our client produces. The conveyor system, the application lances or robots, and the furnace profile are all designed to be flexible, often using automated recipe systems to handle different tank diameters and heights seamlessly.

A longer warranty is a direct result of a more durable product. By creating a flawless, pinhole-free, and powerfully bonded enamel lining, a TIMS COATING water heater enamel production line creates a tank that is highly resistant to corrosion. This significantly extends the service life of the water heater, giving manufacturers the confidence to offer extended warranties (e.g., 8, 10, or 12 years) as a key competitive advantage.

Our updates and blog posts

More Than a Machine: What 22 Years in the Trenches Taught Me About a High-Performance Automation Coating Production Line

Drawing on 22 years of hands-on industry experience, this article reveals the crucial difference between a simple automated setup and a truly intelligent automation coating production line. It argues that genuine ROI comes not just from replacing labor, but from creating a seamlessly integrated ecosystem that guarantees relentless quality, consistency, and throughput. Readers will learn how the right expert partnership moves beyond selling machinery to architecting a custom-engineered solution that drives long-term profitability and a powerful competitive advantage.

Stop Buying Coating Equipment. Start Investing in a Flawless Finish

This article challenges the conventional, spec-sheet-based approach to purchasing **coating equipment**. Drawing on 22 years of industry experience, it argues that true value lies not in individual machines but in a holistically engineered system designed to produce a flawless finish. It repositions TIMS from a supplier to a partner that engineers predictable, efficient, and high-quality coating outcomes, urging readers to invest in perfection rather than just hardware.

Specialized Enamel Equipment for Flawless Fusing | TIMS

This article positions enameling as a precise science that demands specialized, purpose-built hardware, not generic industrial machines. Citing 22 years of focused experience, it highlights the critical importance of temperature uniformity and climate control in the process. It presents TIMS as a master of **enamel equipment** engineering, offering not just machinery but the deep scientific expertise required to achieve a flawless, premium-quality enamel finish.

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