Infrared Radiation Curing Methods for Paint

Electrophoretic paint curing method that enables rapid curing through infrared thermal radiation. The method uses infrared radiation to activate cross-linking functional groups in the resin and crosslinking agent, achieving curing performance comparable to traditional thermal curing methods. The curing process involves applying infrared radiation through a radiator, which generates heat that activates the cross-linking reactions in the paint film. This approach eliminates the need for conventional thermal curing systems, particularly beneficial for high-performance coatings with complex formulations.

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A paint curing machine that improves the uniformity of cured coatings by maintaining the coated material in a controlled environment during the curing process. The machine incorporates a conveyor system that maintains the coated material at a consistent temperature and humidity level, preventing paint migration and ensuring a uniform cure. This controlled environment enables precise control over the curing process, resulting in improved coating quality and reduced defects.

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Low-temperature curing UV-infrared dual-curing varnish coating for automotive applications that addresses traditional dual-curing challenges while maintaining superior performance. The coating combines the benefits of UV and infrared curing through a proprietary dual-curing process that enables low-temperature curing while maintaining excellent wear resistance and weather resistance. The formulation comprises a trifunctional aliphatic polyurethane acrylate oligomer, a high hydroxyl value polyurethane acrylate oligomer, and an acrylate oligomer containing primary hydroxyl groups.

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Accelerating the curing of conformal protective paint using a cold light source, which improves curing efficiency by reducing curing time. The method employs a UV curing oven with a specialized lamp holder and connecting platform configuration. The platform features a UVA lamp positioned below a lampshade with a sliding rod and block system. A controller mounts on the platform's side, controlling the lamp's position and intensity. This configuration enables precise control over UV light distribution, enabling faster curing while maintaining uniform curing conditions.

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Curing wet coatings on substrates using gas catalytic infrared radiation systems. The system employs a curing room with a conveyor assembly that simultaneously displaces the substrate while heating the coating with an IR radiation system. The IR radiation is produced in both an upstream and downstream section of the curing process, with the substrate being heated in both directions to achieve uniform curing. This approach enables the system to cure wet coatings while maintaining substrate integrity.

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A device for accelerating plate paint surface curing through controlled temperature distribution. The device features a rotating drum with a synchronized motion system that enables precise temperature control across the curing surface. The system incorporates a servo motor and a precision positioning mechanism to achieve uniform temperature distribution. The drum is mounted on a rotating platform that can be precisely controlled to achieve optimal curing conditions.

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Curing of coatings using pulsed infrared radiation to enhance material properties. The method involves applying a coating composition containing a film-forming resin and a crosslinking agent to a substrate surface, followed by exposure to pulsed infrared radiation with a peak wavelength between 3 pm and 10 pm. The radiation enables rapid crosslinking of the resin, achieving full cure in less than 30 minutes. The process can be optimized for specific applications by adjusting the radiation pulse duration and peak wavelength.

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A paint curing device that enables simultaneous heating and curing of workpieces on both sides of a conveying assembly. The device comprises a mesh conveying assembly with a rotating transmission shaft, conveying net, and return net sections. The lamp assembly is positioned between the conveying and return sections, with the drive assembly fixed to the frame. This configuration enables the workpiece to be heated and cured on both sides simultaneously, eliminating the need for separate heating and curing zones.

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Multi-directional drying device for automobile painting that optimizes drying process through precise temperature control. The device features a rotating drying fixture with a rotating support that moves in a controlled manner to ensure uniform drying across the surface. The fixture is mounted on a base with a precisely machined groove that accommodates the rotating support. The fixture includes a temperature control switch that interfaces with a motor, which drives the rotating support. The rotating support is connected to a motor frame that is mounted on the base. The fixture includes a transparent window for monitoring temperature.

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Method for accelerated paint curing through controlled radiation exposure. The method involves applying moisture-curing paint systems to objects in a controlled environment, where the paint is sprayed through a pressurized gas stream. The spray is then directed through a radiation source positioned near the object, where it is exposed to controlled infrared radiation. This controlled exposure enables rapid drying and curing of the paint system while maintaining surface integrity, enabling faster processing of the object compared to conventional oven-based curing.

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Infrared baking system for automotive coatings that optimizes temperature control during the curing process. The system employs a robotic arm to precisely position the baking area, with temperature sensors monitoring the process. The robotic arm is controlled by a PLC that receives real-time temperature data from sensors and adjusts the far-infrared lamp's power output based on the current temperature. This enables dynamic temperature control during the curing process, preventing over-baking while maintaining optimal curing conditions.

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Powder coating curing method that improves gloss stability and hardness through controlled temperature increases during the curing process. The method employs infrared radiation to heat the substrate surface, allowing controlled temperature increments between 10-30°C to achieve optimal curing conditions while maintaining gloss stability and surface hardness. This approach enables precise temperature control without excessive thermal shock, enabling more consistent and reliable powder coating applications.

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A curing/drying system for light-curable/dryable chemical products (paints, glues) that employs monochromatic LEDs to achieve faster, more efficient curing and drying compared to traditional UV lamps. The system utilizes a dedicated module with precisely controlled UV and visible LED arrays, specifically designed for curing applications. The LEDs emit light across the 200-400 nm range, providing a narrow spectral emission profile that enables precise control over the curing process. The system's control circuit enables selective activation of the UV and visible LEDs, allowing for optimized curing conditions while minimizing energy waste. The curing process can be accelerated through the use of a high-intensity UV/IR LED array, which can achieve peak emission at specific wavelengths. The system also incorporates a safety feature that automatically switches to a visible light source when the curing process is complete, eliminating the need for operator intervention.

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A method for selective heating of coating solvents during drying, particularly for applications requiring fast and uniform evaporation, such as nail polish. The method employs selective absorption of electromagnetic radiation by the solvent molecules, with a specific focus on the absorption peak corresponding to the solvent's characteristic vibrational mode. The radiation is concentrated in a defined spectral range to selectively heat solvent molecules, preventing thermal equilibrium with other coating components and the substrate. This targeted heating enables efficient solvent evaporation while maintaining uniform drying across the coating.

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A low-cost, energy-efficient curing system for latex paint films that eliminates traditional oven-based curing methods. The system features a compact, box-like design with a ventilation system and controlled heating elements. The system incorporates a magnifying panel, infrared lamps, and a thermal sensing element to monitor curing conditions. The controlled heating elements and ventilation system enable rapid curing while maintaining a controlled environment, eliminating the need for manual temperature adjustments and reducing energy consumption. The system also features a safety interlock system to prevent operator exposure to heat.

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Infrared drying paint device that optimizes the drying process by integrating a dedicated drying system with a conventional casting machine. The device features a unique mounting configuration where the drying unit is positioned at the bottom of the casting machine's lock. The drying unit consists of two platen units connected by a lead screw and light bar, with a vertical plate separating them. The platen units are positioned on the vertical plate, which houses an internal air circulation system. The device includes a deceleration motor and a reduction gear system that enables precise control over the drying process.

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Infrared curing apparatus for waterborne coatings that enables fast curing and high-performance coatings through precise temperature control. The apparatus features a controlled lamp system that can be precisely adjusted to deliver specific wavelengths of infrared radiation, allowing for tailored curing conditions. The system integrates with a load-bearing mechanism that can be dynamically positioned to accommodate different coating thicknesses, enabling efficient curing while maintaining optimal surface quality. The apparatus also features a control platform that enables automated temperature and power management, ensuring consistent curing performance across different coating formulations.

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Vehicle paint system with a heat-drying panel featuring a near-infrared lamp and a heat sink. The system comprises a heat sink with an insertion groove on its surface, a radiation panel with a heat sink integrated into its design, and a rear case with a space for the heat sink. The radiation panel contains a near-infrared lamp that generates drying rays for the paint surface, while the heat sink on the radiation panel's surface absorbs and dissipates heat. The rear case's stepped design guides the heat from the lamp to the front, while the side cover seals the interior space.

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Portable apparatus for controlled venting and curing operations on coating materials through combination of infrared radiation with turbulent airflows. The apparatus integrates infrared radiation sources and a device for generating cold and/or hot turbulent airflows, enabling precise control over coating material properties during repair processes. The system enables individual adaptation of venting and curing conditions to specific coating materials, allowing optimal performance in automotive refinishing operations.

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Coating production line with enhanced drying system for improved paint and finish quality. The coating production line incorporates a drying device that incorporates advanced drying technologies such as electrostatic drying, infrared drying, and vacuum drying. This integrated drying system enables more efficient and controlled drying processes, resulting in improved paint adhesion, uniform finish, and reduced drying time.

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