Modular Festoon System with Movable Sheaves for Tension Management
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Solution Overview
Problem
Conventional festoon systems for tire bead formation are large and inflexible, making them challenging to integrate into facilities due to space constraints and requiring complex setups with multiple sheaves for tension management, which limits their adaptability and efficiency.
Innovation Solution
A modular festoon system with movable upper and lower sheaves that can adjust vertically to maintain tension, allowing for flexible configuration and integration with error detection and precast modules, enabling efficient wire guidance and tension management while accommodating different operational needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional festoon systems are used with multiple fixed sheaves, then wire tension can be maintained, but the system becomes large and difficult to integrate into facilities with space constraints
Solution Approach 1:
The festoon system is divided into modular components including a festoon module with sheaves, a precast module, and a dancer module that can be independently configured. This segmentation allows the system to maintain tension management functionality while reducing the overall footprint by only including necessary modules.
Solution Approach 2:
The system employs movable sheaves that can dynamically adjust their positions vertically along guide rails, replacing fixed sheave arrangements. This dynamic capability allows the system to maintain proper wire tension while occupying less space, as sheaves can be positioned only where needed during operation.
2Ease of operation
If conventional fixed sheave arrangements are used, then wire guidance is provided, but the system lacks adaptability to different operational needs and configurations
Solution Approach 1:
The system is divided into separate functional modules (festoon module, precast module, dancer module) that can be independently selected and configured based on specific operational requirements, enabling high adaptability while maintaining ease of wire guidance through each module's specialized design.
Solution Approach 2:
The modular design allows the same basic module types to serve multiple functions depending on configuration. For example, the festoon module can work with different precast modules or dancer modules to accommodate various wire routing needs, tension requirements, and space constraints across different applications.
3Reliability
If multiple sheaves are vertically arranged to maintain tension during wire dispensing, then proper tension is maintained, but the system becomes complex and challenging to integrate with other equipment
Solution Approach 1:
Tension maintenance functionality is separated into independent modules (dancer module with its own sheaves and tensioning mechanism, or precast module with integrated tension management) rather than requiring a single complex vertical arrangement of multiple sheaves, simplifying integration with upstream and downstream equipment.
Solution Approach 2:
The dancer module acts as an intermediary between the festoon module and downstream equipment, independently managing wire tension through its own sheave and payout mechanism, thereby simplifying the overall system architecture and reducing integration complexity with other equipment.
Data Source
AI summary
In one example, a festoon system comprises a festoon module having a support assembly, and further comprises at least one upper sheave and at least one lower sheave, which are movable relative to one another by movement of at least one of the upper sheave or the lower sheave. At least one wire is configured to enter the festoon module at an entrance region, extend around a groove of the least one lower sheave and at least one groove of the at least one upper sheave, and then exit the festoon module at an exit region. A first coupling location of the support assembly is adjacent to the entrance region of the festoon module, and a second coupling location of the support assembly is adjacent to the exit region of the festoon module. Different modules are configured to be coupled to the second coupling location.