Hang Hole Tool for Powder Coating Conveyor
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Solution Overview
Problem
In the powder coating of non-metal materials like wood and MDF, the powder coating often peels off when items are removed from the hanging hook, causing unsightly chipping and incomplete coating.
Innovation Solution
A powder coating system with a hang hole tool featuring a conveyor portion and a work piece engaging portion, including an outwardly extending shaft, collar, and frustoconical elements, which minimizes contact with the work piece back surface, reducing powder separation during detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple hang hook is used to suspend work pieces, then the conveyor structure is simple and easy to operate, but the powder coating peels off when work pieces are removed from the hook
Solution Approach 1:
The hang hole tool is segmented into multiple functional portions: a conveyor engaging portion for attaching to the overhead conveyor, and a work piece engaging portion with a recess for receiving the work piece. This segmentation allows each portion to be optimized for its specific function, preventing powder coating damage while maintaining ease of operation.
Solution Approach 2:
The hang hole tool acts as an intermediary device between the overhead conveyor and the work piece. Instead of directly hanging the work piece on a simple hook, the intermediary tool provides a protected interface that prevents direct contact and potential damage to the powder coated surface during removal.
2Manufacturing precision
If the hang hole tool has minimal contact with the work piece back surface, then powder coating separation is minimized, but the tool structure becomes more complex
Solution Approach 1:
The hang hole tool features local quality variations in its structure, with a recessed portion that provides minimal contact with the work piece back surface. This localized design feature specifically protects the powder coating quality at the critical contact area while keeping the rest of the tool structure relatively simple.
Solution Approach 2:
Instead of having a protruding hook that contacts the work piece, the design inverts the approach by creating a recessed portion that receives the work piece. This inversion minimizes the contact surface area between the tool and the work piece back surface, thereby reducing powder coating separation during removal.
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 design ensures a minimal amount of powder coating separates from the work piece when removed, maintaining a continuous and aesthetically pleasing powder-coated surface.
Implementation Method 1
Powder coating involves the application of charged powder particles to a grounded preheated substrate
Implementation Method 2
Curing of the powder coating materials is accomplished by infrared and/or convention heating for thermal setting powder coatings
Implementation Method 3
Curing of the powder coating materials is accomplished by infrared and/or convention heating for thermal setting powder coatings
Implementation Method 4
Ultraviolet coating powders are heated in an oven and then cured by application of ultraviolet light to the molted powder coating
Data Source
AI summary
A powder coating system including a powder coating conveyor, a work piece; the powder coating conveyor including a hang hole tool having a conveyor portion and a work piece engaging portion. The work piece engaging portion is structured to engage a conveyor member supported by the conveyor structure. The work piece engaging portion has an outwardly extending shaft portion extending distally outward from an expanded portion. The work piece has a recess therein, the recess being shaped and sized to receive the work piece engaging portion in close fitting relation and the recess having a first inside dimension at a greatest depth of the recess and a second inside dimension at a least depth of the recess. The second inside dimension is greater than the first inside dimension.