Modular Vacuum Coating System with Filtration and Light Curing

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Solution Overview

Problem

Vacuum coating processes are inefficient and time-consuming due to the need for manual intervention to change parts, coatings, and maintenance, while light curing is energy-inefficient and costly for different styles and sizes of parts.

Innovation Solution

A dual vacuum coating and curing system with integrated filtration and light curing systems, allowing for continuous processing and easy maintenance through a wheeled cart with interchangeable vacuum coater head assemblies and light curing system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual intervention is used to change parts and coatings in vacuum coater, then coating quality can be maintained, but productivity decreases and downtime increases

Engineering Contradiction:
Improvecoating qualityVSAvoidproduction efficiency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The vacuum coater is divided into modular components including interchangeable head assemblies that can be quickly swapped. The system separates the coating application mechanism into discrete, replaceable units, allowing rapid changeover between different coating configurations without affecting the main vacuum chamber or requiring complete disassembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system incorporates quick-release mechanisms and dynamic positioning systems that allow operators to rapidly exchange head assemblies and adjust coating parameters. The modular design enables flexible reconfiguration of the coating system to match different production requirements, reducing setup time while maintaining coating quality.

Inventive Principle:
Principle #15Dynamics

2Productivity

If light curing system is used to cure coatings quickly, then feed rate increases, but energy consumption increases

Engineering Contradiction:
Improvefeed rateVSAvoidenergy consumption
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The light curing system is configured to provide curing only where and when needed, rather than illuminating the entire workspace. The system uses targeted light sources that focus energy precisely on the coating area, reducing overall energy consumption while maintaining effective curing speeds for high feed rates.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The system replaces traditional thermal or chemical curing methods with light-based curing technology. This substitution enables rapid curing without the high energy inputs required by heating systems, achieving fast feed rates with lower energy consumption through photopolymerization processes.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If multiple light curing devices are purchased to cure different styles and sizes of parts, then curing capability increases, but device complexity and cost increase

Engineering Contradiction:
Improvecuring capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The light curing system is designed as a universal platform capable of accommodating various part styles and sizes through adjustable fixtures and programmable control. A single multi-functional device replaces the need for multiple specialized curing units, reducing overall system complexity while maintaining versatility across different coating applications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system incorporates dynamically adjustable components including movable light sources, adjustable part holders, and programmable control systems that adapt to different part geometries. This dynamic configurability allows one device to perform the functions of multiple fixed devices, simplifying the overall system while expanding curing capabilities.

Inventive Principle:
Principle #15Dynamics

4Productivity

If vacuum coater operates continuously without maintenance, then productivity increases, but reliability decreases

Engineering Contradiction:
Improvecontinuous operationVSAvoidsystem reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The system incorporates preliminary maintenance features such as easily accessible quick-release components, pre-positioned maintenance access points, and designed-in service intervals. These preliminary considerations allow for rapid maintenance tasks that can be performed during scheduled breaks without disrupting overall continuous operation, maintaining both productivity and reliability.

Inventive Principle:
Principle #10Preliminary action

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

Enables efficient, continuous coating and curing with reduced downtime and waste, improving operational efficiency and reducing energy costs.

Implementation Method 1

a spray head disposed within the housing and configured to spray a coating onto a part being fed through the housing

Methodology Applied
Scientific EffectFluid spray: Fluid Spray

Implementation Method 2

Excess coating on the part, which may have been unevenly applied onto the part, is suctioned away via the vacuum pressure as the part exits the vacuum coating box

Methodology Applied
Scientific EffectVacuum suction: Suction

Implementation Method 3

The light 'cures' the coating by initiating a photochemical reaction that joins and hardens polymer bonds within the coating

Methodology Applied
Scientific EffectLight curing: Photopolymerisation

Data Source

PatentUS20250256296A1Vacuum coating system
Publication Date: 2025.08.14 DUBOIS EQUIPMENT CO INC
  • US20250256296A1 patent drawing
  • US20250256296A1 patent drawing
  • US20250256296A1 patent drawing

AI summary

A vacuum coating system includes a vacuum head assembly for applying a coating to a part traveling therethrough. In one embodiment, the vacuum head assembly includes an internal filtration system. In another embodiment, the vacuum head assembly is split about apertures through which the part travels such that an upper portion of the vacuum head assembly can be separated (e.g., hinged upwardly) from a lower portion of the vacuum head assembly. In one embodiment, the system includes a light curing system that includes a plurality of longitudinally extending light sources arrayed radially about the part traveling therethrough along the longitudinal axis. The light sources emit light to cure the coating on the part as it passes through the light curing system.