Automated Surface Treatment System for Aircraft Fuselage Coating
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Solution Overview
Problem
The manual and time-consuming process of treating and coating structural surfaces of machines, such as aircraft, requires significant resources and is inefficient due to the serial nature of masking and painting operations on large surface areas.
Innovation Solution
An automated surface treatment system utilizing a first treating module with spray nozzles and a second treating module with ink jet nozzles, both movably attached to rails, to apply protective and decorative coatings in a continuous, efficient manner along the surface of tubular structures like aircraft fuselages, with sensors for real-time adjustment and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual masking and painting operations are performed serially on large surface areas, then coating quality can be maintained, but the process requires significant time and resources
Solution Approach 1:
The system divides the surface treatment process into multiple independent treating units (spray nozzles, ink jet nozzles, UV curing units, cleaning units) that can operate simultaneously on different portions of the surface, transforming the serial process into a parallel operation system
Solution Approach 2:
Multiple treating units (spray coating, ink jet printing, UV curing, cleaning) are merged into a single integrated system that processes the surface simultaneously, combining previously separate serial operations into one coordinated parallel process
2Manufacturing precision
If multiple technicians perform manual operations to prepare and coat surfaces, then thorough surface preparation can be achieved, but resource requirements increase significantly
Solution Approach 1:
The system incorporates automatic cleaning units with sensors that continuously monitor and clean the surface between coating operations, enabling the system to maintain and correct its own work without human intervention, thereby ensuring consistent surface preparation quality
Solution Approach 2:
Sensors are integrated throughout the system to detect surface conditions, coating application quality, and equipment status in real-time, providing feedback that automatically adjusts operating parameters to maintain precision while optimizing resource usage
3Manufacturing precision
If serial masking operations are repeated multiple times to achieve complete exterior surface treatment, then comprehensive coating coverage is achieved, but the complexity and duration of the process increases
Solution Approach 1:
The treating units are designed to perform multiple functions - spray nozzles can apply different coating types, ink jet nozzles can print various decorative patterns, and the system can switch between different treatment modes, eliminating the need for separate dedicated equipment for each coating operation
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 system significantly reduces the time and resource requirements for surface treatment by enabling simultaneous application of multiple coatings in a single pass, ensuring uniform coverage and quality while accommodating varying dimensions and topography.
Implementation Method 1
The ink jet array is configured to jet liquid or powder material on the surface of the object being treated
Implementation Method 2
A UV curing unit is integrated into the system for curing the applied material
Data Source
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AI summary
A method of treating a tubular surface which defines an axis extending from a first surface end to a second surface end includes partially surrounding the tubular surface, at a first position, with a first set of treating units, with the treating units arranged in a first arcuate array. Furthermore, each treating unit is configured to include a plurality of first applicator heads. Additionally, an embodiment of the method includes determining a position of each of the plurality of first applicator heads relative to the tubular surface and moving the first set of treating units from the first position towards a second position. In one non-limiting example, the method further includes independently controlling each of the plurality of first applicator heads to selectively apply a first treatment as the first set of treating units moves from the first position towards the second position. (Fig. 2)