UV curing systems for industrial paint applications face significant throughput and quality challenges. Current systems operate at speeds of 2-5 meters per minute for complete cure, while maintaining strict temperature controls between 20-30°C to prevent surface defects. Traditional conveyor-based systems struggle to achieve uniform curing across complex geometries, particularly in multi-tone applications where cure depths can vary from 5 to 50 microns.

The fundamental challenge lies in balancing rapid cure speeds with consistent quality across varying coating thicknesses and substrate geometries while preventing thermal damage to heat-sensitive components.

This page brings together solutions from recent research—including programmable exposure control systems, integrated temperature-controlled UV assemblies, robotic positioning systems, and novel roller-based UV delivery methods. These and other approaches focus on achieving faster production speeds while maintaining coating uniformity and surface finish quality across diverse industrial applications.

1. Multi-Tone Vehicle Paint System with Single Applicator and Integrated UV Curing

GM GLOBAL TECHNOLOGY OPERATIONS LLC, 2025

Multi-tone vehicle paint system with integrated UV curing. The system employs a single-color basecoat and subsequent layers of UV-curable colors that can be applied simultaneously using a single applicator. The UV-curable layers can be precisely positioned on the basecoat to create complex multi-tone patterns without the need for separate color layers. The system ensures consistent color distribution and uniform curing through its integrated UV curing process.

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2. UV Curing Machine with Temperature-Controlled UV Lamp Assembly and Integrated Ventilation System

Dongguan Baiyu New Material Co., Ltd., 2025

A paint curing UV machine that addresses the issue of paint clots forming on workpieces during curing. The machine incorporates a novel UV curing system that maintains optimal paint temperature during curing, preventing clots from forming. The system includes a UV lamp assembly, a support rod, a lifting rail, a sliding part, a card slot, and a ventilating fan. The UV lamp assembly is designed to maintain a consistent temperature environment for the paint, while the support rod and lifting rail facilitate efficient curing process. The sliding part enables precise control over the curing process, and the card slot allows for easy material handling. The ventilating fan ensures optimal air circulation during curing.

3. Method for Producing Substrates with Solvent-Free UV-Curable Resin Coatings

STANLEY ELECTRIC CO LTD, 2024

A method for producing a substrate with a cured film that eliminates the need for organic solvents in the curing process. The method employs ultraviolet-curable resin coatings with viscosity below 30 mPa·s/25°C, which are applied to substrate surfaces and cured using UV light. The coatings, typically containing non-reactive volatile organic solvents at concentrations below 1%, provide excellent durability while maintaining the UV-curing process. This approach enables the production of substrates with UV-curable coatings without the conventional need for solvents, significantly reducing material usage and emissions compared to conventional paints.

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4. Paint Curing System with Robotic Arm and Automated Light Positioning

GM GLOBAL TECH OPERATIONS LLC, 2024

Multi-mode paint curing system for vehicle and parts production that enables precise control over curing processes through automated positioning of curing lights. The system employs a robot arm with a movable end to position curing lights at precise angles relative to the vehicle surfaces, while a secondary curing light is positioned adjacent to the vehicle. The system controls the curing lights' positions and activation through a single control module, enabling precise control over curing conditions while minimizing energy consumption compared to traditional oven-based systems.

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5. Fixed-Position UV Lamp System with Automatic Centering for Uniform Curing

SHANDONG YICHEN POLYMER MATERIALS CO LTD, Shandong Yichen Polymer Materials Co., Ltd., 2024

A UV curing system for coating applications that enables precise control over curing conditions. The system features a fixed-position UV lamp positioning system that automatically positions the coated plate at the center of the curing lamp, ensuring uniform curing across the surface. This positioning system eliminates the traditional plate movement issue in conventional UV curing systems, where plate movement can lead to uneven curing. The system can be integrated into existing curing equipment configurations to enhance curing performance.

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6. Ultraviolet Curing Device with Motorized UV Source and Integrated Air and UV Curing Cycles

Shandong Yichen Polymer Materials Co., Ltd., 2024

Ultraviolet curing device for light-curing coatings that enables simultaneous air and UV curing cycles. The device comprises a mounting frame with a fixed mounting position and a motorized frame that drives a UV light source. An extension bracket supports the UV source, and a chain drive connects the motor to the UV source. The device features a toothed rack with limiting frames that guide the UV light beam to the curing chamber, allowing continuous curing of light-curing coatings through both air and UV cycles.

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7. Roller with Integrated UV Emitting Diodes for Curing Varnishes on Substrates

JFL MAT GMBH, 2024

A roller-based method for curing UV varnishes on substrates using a roller with integrated UV source distribution. The roller features a central core housing multiple UV-emitting diodes that distribute UV radiation across the roller surface as it moves over the substrate. The UV radiation penetrates the roller's permeable coating and onto the substrate, effectively curing the varnish through contact pressure. The roller's surface structure creates a high-gloss finish, and the roller's movement ensures uniform curing across the substrate. The roller's design enables efficient curing of UV varnishes on complex substrates while maintaining surface finish quality.

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8. UV Curing System with Adjustable UVA Lamp and Sliding Rod Configuration

SHANGHAI MARUHI ELECTRONIC TECHNOLOGY CO LTD, 2023

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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9. UV Curing System with Programmable Exposure Control and Integrated Conveyor for Substrate Coating

SPECIALTY COATING SYSTEMS INC, 2023

UV curing system for applying coatings to substrates like printed circuit boards (PCBs) through controlled exposure to UV radiation. The system features a moving conveyor and UV lamps that can be programmed to vary exposure rates across different parts, enabling variable thickness coatings and optimized curing conditions. The system integrates a UV lamp array within the oven housing, with a conveyor system that moves the substrate into the oven while the lamps operate. The system includes automatic shutters to control exposure duration and prevent overheating.

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10. UV Curing Device with Rotating Dual-Side Loading Configuration and Integrated UV Diffusion Prevention

Kukji Construction Co., Ltd., SG Otech Co., Ltd., 주식회사 헤즈온, 2023

UV curing device for road marking coatings that enables faster curing through a novel loading configuration. The device features a rotating loading system that opens both sides of the loading space, allowing the curing unit to access the entire surface area. The system includes a UV irradiation unit, ultraviolet diffusion prevention unit, guide unit, vibration shock mitigation unit, and display unit. This configuration enables uniform curing across the entire surface, improving coating uniformity and reducing curing time compared to traditional fixed-side loading configurations.

11. Ultraviolet Curing Device with Tunnel Housing and Reflective Layer for Uniform UV Exposure

SELCOS CO LTD, 2023

Ultraviolet curing device for curing UV-curable paints on products like automotive parts. The device features a tunnel-shaped housing with multiple UV lamps, a reflective conveyor system, and a specialized reflective layer. The reflective layer, comprising a combination of aluminum and silver thin films, is strategically positioned to direct UV rays onto the entire product surface, including areas not directly exposed to the UV source. The reflective conveyor system, with its detachable supports, enables the product to be transported through the UV irradiation chamber while maintaining exposure to the UV light. The device's inert gas system maintains a controlled atmosphere during curing.

12. Paint Curing System with Integrated Ultraviolet-C and Ultraviolet-A Light Sources

ZHONGZI LIGHT SOURCE TECHNOLOGY CO LTD, 2022

A paint curing process that combines ultraviolet (UVC) and ultraviolet-A (UVA) light sources for enhanced curing efficiency in color coatings. The process employs a single curing chamber with integrated UVC and UVA light sources, where the UVC source provides intense UV-C light while the UVA source offers additional UV-A energy. The combined system achieves higher curing rates and improved surface quality compared to traditional UVA-only curing systems. The integrated design eliminates the need for separate UVC and UVA sources, reducing equipment complexity and operating costs.

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13. UVC Curing System with Controlled Environment and Specialized Resin Formulation

ZHONGZI LIGHT SOURCE TECHNOLOGY CO LTD, 2022

UVC curing technology for coatings using a controlled environment that enables efficient curing through precise composition formulation. The process employs a specialized formulation of polyurethane and epoxy resins, additives, and photoinitiators, which are precisely proportioned to achieve optimal curing properties. The formulation is applied to a substrate through a high-speed spraying system, where the UVC curing process is carried out within a specially designed enclosure. The curing environment is maintained at optimal conditions to ensure consistent curing performance, while the formulation's additives provide improved handling properties and surface finish.

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14. Nonaqueous UV-Curable Paint Formulation with (Meth)acrylate Components for Photoinitiator-Free Free-Radical Polymerization

BASF SE, 2022

UV-curable paint formulation for flat substrates that achieves crosslinking through free-radical polymerization without photoinitiators. The formulation consists of a nonaqueous paint comprising at least 80% curable constituents with (meth)acrylate groups, with at least 90% of these components undergoing crosslinking through free-radical polymerization. The formulation can be produced through UV curing in air, eliminating the need for photoinitiators.

15. UV Curing System with Vertical Orientation and Top-Mounted UV Lamp for Uniform Surface Exposure

VOHRINGER HOME TECHNOLOGY CO LTD, 2020

A UV curing system that addresses the uneven curing of UV-curable coatings on flat substrates. The system employs a vertical orientation of the curing plate, with the UV lamp positioned at the top. This vertical orientation ensures uniform exposure across the entire surface area of the plate, eliminating the uneven curing issues typically associated with traditional horizontal plate configurations.

16. Curing Process for UV-Curable Paints Using Rare Gas Fluorescent Lamp with Controlled Temperature Environment

USHIO DENKI KABUSHIKI KAISHA, 2020

Curing process for UV-curable paints that enables visible color visibility through the curing process. The process utilizes an ultraviolet-curable paint with a specific UV sensitivity characteristic, where the paint is sensitive to UV light in the 380 nm range but not to visible light. The curing process involves irradiating the paint with UV light from a rare gas fluorescent lamp with a peak wavelength within the 350 nm range, while maintaining a controlled temperature environment. This enables the paint to cure through thermal polymerization in deep layers where UV light is absorbed, resulting in a cured layer with visible color.

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17. UV Curing Machine with Dynamic Exposure Time Control and Conveyor System

Zhangzhou Hexing Coatings Co., Ltd., ZHANGZHOU HEXING COATING CO LTD, 2020

UV curing machine for paint applications that improves curing efficiency by dynamically controlling exposure time. The machine features a frame with a conveyor system for transporting test pieces, a protective enclosure with a UV lamp positioned on its inner wall, and a curtain at the exit to prevent air leakage. The enclosure's design allows precise control over exposure time while maintaining structural integrity, enabling more uniform curing across the test area.

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18. UV Paint Curing Machine with Integrated Frame and Sub-Support Housing UV Lamp Array and Electric Lifting System

Zhang Yong, ZHANG YONG, 2019

A UV paint curing machine featuring a novel frame design that integrates the curing process with the machine's operational elements. The machine comprises a bottom bracket, a feeding mechanism supported on the bracket, a frame with adjustable inlet and outlet doors, and a sub-support frame that connects to the main frame. The sub-support frame houses a UV lamp array and electric lifting system. The machine's frame incorporates a soft curtain for air circulation and a motorized conveyor belt. The frame's design enables precise control over the curing process while maintaining operational flexibility.

19. Three-Dimensional Modular UV Curing Machine with Interconnected Module Architecture

FUJIAN XINGDAYU LIGHT INDUSTRY PRODUCTS CO LTD, 福建兴大宇轻工制品有限公司, 2019

A three-dimensional UV curing machine for industrial applications that simplifies the curing process through a novel modular design. The machine comprises a light source system, ventilation system, and control system, but instead of traditional 2D components, it incorporates a three-dimensional structure comprising multiple interconnected modules. This modular architecture enables efficient curing while minimizing the number of components, reducing maintenance requirements, and simplifying the overall system.

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20. UV Coatings with Dual-Curing Resin Composition for Simultaneous Multi-Wavelength Curing

WUHU CHUNFENG NEW MAT CO LTD, 2019

UV coatings for automotive interiors that combine UV curing with dual-curing technology to achieve superior performance. The coatings employ a specialized resin composition that enables both surface and bottom layers to cure simultaneously through different UV light wavelengths, resulting in improved curing efficiency and reduced solvent residue. This dual-curing approach enables the production of high-performance coatings that meet stringent automotive standards, including the VW TL226 certification. The coatings achieve excellent gloss retention, uniformity, and surface finish characteristics, while maintaining excellent durability and resistance to environmental factors.

21. Spray Booth with Integrated UV Curing System and Rotating Workpiece Clamping Mechanism

NANJING MAIRUI COATING TECH CO LTD, 2019

Spray booth for UV curing paint application, featuring a high-precision UV curing system integrated into the spray booth design. The booth incorporates a mist removal system, a workpiece clamping system with rotating motor and cross-chain bracket, and a UV curing lamp mounted above the cross-chain bracket. The UV curing lamp is positioned at a height of 1.5m to optimize curing conditions based on the workpiece's shape and size. The system includes a mist removal device on one side, a workpiece clamping system with a rotating motor and cross-chain bracket, and a UV curing lamp mounted above the cross-chain bracket. The UV curing lamp features a handle and cylindrical lamp holder, and is secured to the spray booth body through a UV frame.

22. UV Curing Machine with Integrated Lamp Holder, Controller, and Internal Electrical Components

KUNSHAN ZHENXING COATING EQUIPMENT CO LTD, Kunshan Zhenxing Coating Equipment Co., Ltd., 2018

UV curing machine with simplified design for efficient and reliable curing of paints. The machine features a compact body with integrated positioning lamp holder, ultraviolet lamp, and controller. The lamp holder houses the UV source, while the body's hollow interior contains a capacitor and transformer. The machine includes an indicator table, cooling fan, and access door. The controller manages the UV curing process, ensuring precise control over curing parameters.

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23. Device with UV Radiation Array for Controlled Hardening of Coatings with Integrated Radiation Shield and Heat Management System

HORVATH GUSZTAV JOZEF, 2018

UV coating hardening device for automotive repair applications that enables rapid, controlled hardening of coatings without oven-based curing. The device employs an array of UV radiation sources with precisely controlled wavelength distribution to deliver uniform energy across the repair area. The system features a built-in radiation shield and optimized heat management system to minimize drying times. The device can be integrated into existing repair workflows, enabling rapid hardening of coatings applied to automotive surfaces.

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24. Ultraviolet Curing Method with Surface-Temperature-Controlled Environment for Paint Hardening

USHIO INC, 2017

Curing method of an ultraviolet curing type paint that enables rapid and efficient hardening of the cured layer through controlled temperature management during the curing process. The method employs a surface-temperature-controlled curing environment where the cured layer maintains a stable temperature below the glass transition point of the curing resin. This controlled temperature environment enables the curing process to proceed at a practical speed while preventing thermal degradation of the curing layer. The controlled temperature environment can be achieved through heating the cured layer using a specific heating method, such as a hot plate, or by maintaining a stable temperature using a temperature-controlled curing chamber.

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25. UV Curing Machine with Integrated Electronic Ballast and Direct Lamp Power Connection

CHENGDU SIDATE ELECTRICAL APPLIANCE CO LTD, Chengdu Sidat Electric Co., Ltd., 2016

UV curing machine with energy-efficient UV lamp control. The machine features a containment chamber above the transfer device, housing the UV lamp, and a receiving chamber below the transfer device. An electronic ballast is integrated into the containment chamber, allowing direct connection between the lamp and the machine's power supply without mechanical ballast. This configuration enables precise control of UV lamp power while maintaining the machine's conventional mechanical ballast connection.

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26. UV Curing Oven with Integrated Transportation and Ventilation Systems and Optimized Chamber Design

东莞市兄奕塑胶制品有限公司, DONGGUAN XIONGYI PLASTIC PRODUCTS CO., LTD., 2016

UV curing oven for industrial coating applications that improves curing efficiency through a novel curing chamber design. The oven features a housing with integrated UV curing mechanism, transportation system, and ventilation system. The curing chamber is positioned between the UV lamp and delivery system, providing optimal exposure conditions while maintaining separation from the lamp. The chamber also incorporates a cooling system to maintain optimal curing conditions. This design enables controlled curing processes with improved efficiency compared to traditional curing methods.

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27. Inkjet Printing System with Combined UV and UVA Light Sources for Enhanced Ink Curing

ELECTRONICS FOR IMAGING INC, 2016

Inkjet printing system that enables enhanced curing of ultraviolet (UV) curable inks by combining UV and UVA light sources. The system uses a printer head to deposit ink onto a substrate, then exposes the ink to a UV-C light source while simultaneously emitting UVA light. This dual-light approach enhances curing by promoting both surface and depth cross-linking, particularly in UV-sensitive formulations. The system can be integrated with existing UV-C lamps to achieve optimal curing conditions.

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28. Elliptical Reflector and UV Lamp Assembly for Uniform Paint Drying

CEFLA SOCIETA COOPERATIVE, Sevra Cooperative, 2016

A paint drying system that utilizes an integrated reflector and UV lamp assembly to enhance drying performance. The system employs a single reflector with an elliptical shape that aligns with the drying component's focal axes. The UV lamp is positioned at one focal point, while the reflector's second focal point is positioned at the lower edge of the drying component. This configuration allows the UV radiation to be directed at the entire drying surface, particularly the edges, while maintaining uniform illumination across the drying process.

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29. Automotive Lighting Coating Process with Intermediate Isopropyl Alcohol Application and Integrated UV Curing System

DANYANG RELIANCE MODELING INDUSTRY CO LTD, 2016

Automotive lighting light cured coating process improves surface finish and adhesion through precise temperature control during the curing process. The process employs a novel intermediate step where isopropyl alcohol is used to remove static and dust from the lamp surface before spraying. The spray system then applies a uniform coating, with the addition of UV or fluorescent light sources to enhance curing efficiency and quality. This integrated approach enables accurate temperature control during the curing process, significantly reducing energy waste and improving coating quality compared to traditional spray curing methods.

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30. Compact UV Curing Device with Integrated Light Source and Expiration Verification System

CARMAX BUSINESS SERVICES LLC, 2016

UV curing device for automotive coatings that minimizes curing time and reduces lamp replacement. The device integrates a UV light source into a compact housing that can be moved between booths. The housing includes a power supply, measurement circuitry, and interface for AC power. The UV source maintains a reduced voltage output during curing, eliminating the need for a separate lamp. The device includes a safety feature that verifies the lamp's expiration before use. This design enables continuous curing without the need for separate lamp replacements, significantly reducing overall curing time and maintenance requirements.

31. Motorized UV Lamp Support with Defined Radiation Passage for Controlled Curing of Photoactivatable Coatings

HONDA MOTOR CO LTD, 2016

Device for curing photoactivatable coatings through controlled UV light exposure. The device employs a motorized support with a UV lamp positioned within a housing, where the housing has defined boundaries defining a radiation passage between them. The UV lamp emits UV light through the passage, positioning the housing at a target location for curing. The support's motorized movement allows precise control over the UV lamp's path, enabling targeted curing of complex geometries while maintaining the housing's stability.

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32. LED-UV Curing Machine with Integrated Heat Radiator and Conveyor-Coating System

HANSOL LIGHTING INC, 2015

LED-UV curing machine for surface coating and painting that eliminates thermal damage to the cured layer. The machine features a conveyor system that applies the coating solution to the product surface, where the volatile solvent evaporates through heat treatment. The UV light source is positioned above the conveyor path, where it cures the solute in the evaporated solvent. A heat radiator is integrated into the machine body to distribute the heat generated by the UV light. This design enables continuous curing of the coating layer while preventing thermal damage to the cured surface.

33. UV Curing Device with Rotating Head Unit and Coordinated Multi-Axis UV Lamp Movement

JUN GONG, Gong Jun, 2015

A UV curing paint device that enables efficient curing of complex surfaces through precise UV light distribution. The device features a rotating head unit with multiple UV lamps that move along a curved path to illuminate the workpiece, while a control system coordinates the lamp movement with precise control of head angle, height, and shaking motion. This synchronized operation ensures optimal UV light distribution across the surface, particularly for concave or curved workpieces where conventional UV curing methods are ineffective. The device can be integrated with spray systems to enable automated painting and curing operations.

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34. Apparatus with Replaceable Radiation Source and Inert Gas System for Controlled UV Varnish Curing

EISENMANN AG, 2015

Apparatus for curing UV varnish on vehicle bodies through controlled exposure to electromagnetic radiation. The apparatus features a housing with a limited exposure area, an inert gas system for maintaining a controlled atmosphere, and a radiation source that generates the curing light. The system incorporates a cooling system to prevent contamination of the radiation source and exposure chamber. The radiation source can be easily replaced during operation, ensuring continuous curing while maintaining a controlled environment.

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35. Paint Drying System with Single UV Lamp and Rotatable Three-Sided Mirror Array

UV TEKNOLOJİ KİMYA MAKİNE SANAYİ TİCARET İTHALAT İHRACAT ANONİM ŞİRKETİ, 2015

A paint drying system that achieves energy efficiency through a single UV lamp and three-sided mirror configuration. The system employs a single UV lamp and a 3-sided mirror array to achieve the same curing effect as four separate lamps, while reducing energy consumption and initial investment costs. The system features a swivel mechanism that enables the mirror array to rotate around the central axis, allowing optimal UV exposure across the curing area.

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36. UV Radiation System with Controlled Intensity and Air Flow for Uniform Curing on Complex Geometries

Eisenmann SE, EISENMANN AG, 2015

A method for optimizing UV curing of hard coatings on complex shapes like car bodies. The method uses a specially designed radiation system that delivers controlled intensity and duration of UV radiation to specific areas of the coating. The system employs a unique air flow system that precisely controls the distance between the radiation source and the coating surface, ensuring uniform curing across the complex shape. The system can be integrated into existing curing systems, enabling precise control over curing conditions for complex geometries.

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