UV Curing Coating System for Roll Formed Product Edges
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Solution Overview
Problem
Conventional methods for coating roll formed products are complex, expensive, and result in exposed cut edges, requiring large equipment and significant capital investment, with high operational costs and limited flexibility in coating variations, while also posing environmental pollution concerns.
Innovation Solution
A method and system that uses an ultraviolet (UV) light curable coating applied during the roll forming process, allowing for in-line coating and curing of roll formed products, including cut edges, using UV light technology and biodegradable cleaning solutions to reduce environmental impact and operational costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional pre-coating processes are used on raw material, then coating is applied before roll forming, but cut edges remain exposed and unprotected
Solution Approach 1:
The coating is applied to the raw material strip before roll forming (pre-coating), but the invention adds a post-coating step after cutting where coating material is applied to the exposed cut edges. This preliminary action on the raw material combined with subsequent edge coating ensures complete coverage including previously exposed edges.
Solution Approach 2:
The invention applies different coating treatments to different parts of the product: the main body receives pre-coating before forming, while the cut edges receive additional coating material applied after cutting. This local quality approach ensures that each area receives the appropriate coating treatment for complete protection.
2Manufacturing precision
If large industrial pre-coating equipment is used, then coating can be applied to raw material, but equipment cost and operational cost become extremely high
Solution Approach 1:
The invention extracts the coating application function from large, expensive industrial pre-coating equipment and implements it using simpler, more affordable coating devices. The post-coating equipment required is significantly less complex than traditional pre-coating lines, reducing capital investment while maintaining coating capability.
Solution Approach 2:
The invention employs simpler, more economical coating devices rather than expensive industrial equipment. The coating system uses affordable materials and equipment that can be easily deployed and maintained, replacing the need for costly capital-intensive pre-coating lines.
3Manufacturing precision
If conventional pre-coating processes are used, then coating is applied to raw material, but volatile organic compounds are required for cleaning and coating application
Solution Approach 1:
The invention changes the chemical parameters of the coating system by using water-based or low-VOC coating materials instead of traditional solvent-based coatings. This parameter change eliminates or reduces volatile organic compound emissions while maintaining coating adhesion quality through modified formulation and application methods.
Solution Approach 2:
The invention converts the potentially harmful volatile organic compounds into beneficial or harmless substances by using water-based cleaning solutions and low-VOC coating materials. The cleaning process uses biodegradable substances that eliminate pollution concerns while maintaining effective cleaning capability for proper coating adhesion.
4Manufacturing precision
If multiple pieces of equipment are used in pre-coating process, then coating can be applied, but operational and maintenance costs become significant
Solution Approach 1:
The invention combines the coating process with the existing roll forming and cutting operations into an integrated workflow. The post-coating step is incorporated into the production line after cutting, eliminating the need for separate, expensive pre-coating equipment and reducing operational complexity while maintaining coating quality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach provides complete coverage of roll formed products, reduces equipment and operational costs, enhances flexibility in coating options, and minimizes environmental pollution by eliminating the need for large-scale pre-coating processes and solvent-based cleaning.
Implementation Method 1
The curable material may be an ultraviolet (UV) light curable coating and the first and second curing light beams may be ultraviolet (UV) light beams
Implementation Method 2
directing a second curing light beam from a first reflective surface to the second portion of the associated product
Data Source
AI summary
A system for processing a product includes a curing chamber, a light source, and a reflective surface. The curing chamber has input and output openings to permit the product carrying a curable material to move therethrough. The curing light source generates a first curing light beam directed from the curing light source to a first portion of the product for curing the curable material carried on the first portion of the product within the curing chamber. The reflective surface directs a second curing light beam from the reflective surface to a second portion of the product for curing the curable material carried on the second portion of the product within the curing chamber. The second portion of the product is inaccessible by the first curing light beam.