Automated Wire Processing System for Aircraft Harness Assembly
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Solution Overview
Problem
Automated wire assembly systems are impractical for fabricating aircraft wiring harnesses due to the need for high reliability and precise processing, which has traditionally been difficult to achieve with existing technologies.
Innovation Solution
A modular wire processing system that includes a wire transport, electrical component delivery device, and solder sleeve positioning station, utilizing a wire guide, solder sleeve pinchers, and pincher sensors to accurately position and process wires and electrical components, enabling efficient and precise assembly of wire harnesses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated wire assembly systems are used, then productivity is improved, but reliability deteriorates due to inability to meet high standards
Solution Approach 1:
The wire assembly system is divided into multiple independent processing stations (wire stripping station, component attachment station, soldering station, etc.), each performing a specific function with specialized equipment. This segmentation allows each station to be optimized for its specific task while maintaining overall automation and reliability through modular design with clear functional boundaries.
Solution Approach 2:
Sensors are integrated at each processing station to detect wire position, component placement accuracy, and processing completion status. This feedback mechanism enables real-time monitoring and control, ensuring that each operation meets precision requirements before proceeding to the next station, thereby maintaining high reliability while preserving automated productivity.
2Reliability
If manual processing methods are used, then reliability is improved through high standards, but productivity deteriorates
Solution Approach 1:
The automated processing stations are designed to perform operations independently without continuous human intervention. Wire feeding, positioning, component attachment, and soldering are all executed by the system itself through coordinated mechanical and control mechanisms, enabling high-speed automated production while maintaining consistent quality standards.
Solution Approach 2:
Manual mechanical operations are replaced with automated mechanical systems equipped with precision actuators, robotic manipulators, and computer-controlled positioning mechanisms. These automated systems replicate and enhance the precision of manual craftsmanship while dramatically increasing production speed and consistency.
3Manufacturing precision
If precise positioning is implemented, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The processing stations utilize universal positioning mechanisms and standardized fixtures that can accommodate different wire sizes and component types. This multi-functionality reduces the need for specialized equipment for each operation, maintaining high positioning accuracy while limiting the increase in overall system complexity through design standardization.
Data Source
AI summary
A system is provided for wire processing. The wire processing system may include a wire transport, a processing station that may provide wire to the wire transport, a processing station that may move an electrical component threaded onto the wire, and a processing station that may move the electrical component to a position on the wire for further processing.