Offset Fiber Guide Apertures to Reduce Breakage and Fuzz
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Solution Overview
Problem
Fiber bundles tend to break and accumulate fuzz during processing due to friction at static guide points, leading to raw material loss and disruption in fiber processing operations.
Innovation Solution
A fiber guide with offset apertures and eyelets minimizes fiber breakage by maintaining a specific distance between adjacent apertures, preventing fuzz accumulation and ensuring efficient fiber guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fibers are guided through static guide points (eyelets), then fiber guidance is achieved, but fiber breakage and fuzz accumulation occur due to friction
Solution Approach 1:
The invention divides the single guide point into multiple segmented guide points arranged in a specific pattern. Instead of using one eyelet, the system uses multiple eyelets positioned at calculated distances and offsets, which distributes the frictional load and reduces stress concentration on any single fiber point, thereby reducing breakage while maintaining guidance functionality
Solution Approach 2:
The invention transitions from a single-point guidance system to a multi-point spatial arrangement. By positioning eyelets in a two-dimensional pattern with specific spacing and offset distances (d1 > d2), the system adds spatial dimensionality to the guidance mechanism, allowing fibers to be guided through a distributed array of points rather than concentrated at one location, reducing friction-induced damage
2Manufacturing precision
If multiple static guides are used to guide fiber bundles, then guidance precision is improved, but fiber breakage increases due to accumulated friction
Solution Approach 1:
The invention applies different spatial characteristics to different guide points in the array. Each eyelet is positioned with specific local properties (distance d1 from previous eyelet, transverse distance d2, and offset) that are optimized for minimizing friction and fiber stress. This local quality variation across the guide array allows precise guidance while reducing overall material loss
Solution Approach 2:
By arranging multiple guide points in a two-dimensional spatial pattern rather than a single line or point, the system distributes fibers across multiple spatial locations. The specific geometric arrangement (with d1 > d2 and offset positioning) creates optimal friction distribution across the fiber bundle, maintaining guidance precision while minimizing fiber breakage and raw material loss
Data Source
AI summary
A fiber guide that guides fibers in a fiber processing system. The fiber guide has a surface having apertures through which fibers can pass in a direction from an upstream side of the surface to a downstream side of the surface. The apertures include at least one pair of apertures adjacent to and spaced from one another. The inlet of the first aperture is offset from the inlet of the second aperture. The offset is in the direction in which the fibers pass from the upstream side of the surface to the downstream side of the surface. A distance d1 between the inlet of the first aperture and the inlet of the second aperture is larger than a distance d2 between the first aperture and the second aperture measured transverse to the direction in which the fibers can pass.