Optical Fiber Ferrule Polishing Holder Spring Extraction
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Solution Overview
Problem
Existing optical fiber ferrule polishing holders face issues with inconsistent protruded lengths and angles of optical fiber ferrules, leading to misalignment and compromised polishing performance, especially when force is applied to connected cables.
Innovation Solution
An optical fiber ferrule polishing holder design that includes a holder body with adapters, where the holder body presses the optical fiber ferrule at a peripheral position to contract a spring built in the connector, maintaining consistent protruded lengths and angles without using coil springs, thereby reducing the influence of applied forces on polishing performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If coil springs are provided on adapters for fixing connectors to holder body, then difference of protruded lengths of optical fiber ferrules is reduced, but connectors become movable and subject to bending forces causing inclination and angle deviation
Solution Approach 1:
The invention extracts the coil springs from the adapters and relocates them to the holder body. This removes the source of connector movability from the adapter-connector interface while preserving the spring's function of maintaining ferrule protrusion consistency. The springs now only affect ferrule positioning rather than allowing connector movement.
Solution Approach 2:
The holder body acts as an intermediary structure that mediates between the connector and the polishing device. By placing springs in the holder body rather than the adapter, the system introduces a stable reference frame that prevents direct transmission of bending forces from cables to connectors, thereby maintaining both protrusion consistency and connector stability.
2Stability of the object's composition
If connectors are allowed to move in adapters with coil springs, then protruded length variation is compensated, but connectors become susceptible to bending forces from cables causing angle and position deviations
Solution Approach 1:
The coil springs are extracted from the adapters and repositioned in the holder body. This structural change separates the function of maintaining protrusion uniformity from the function of allowing connector movement, eliminating the harmful coupling between these two functions.
Solution Approach 2:
The system is segmented into distinct functional zones: the holder body contains the springs for maintaining ferrule protrusion, while the adapters provide stable mechanical coupling. This segmentation prevents the transmission of bending forces from cables through the adapter to the ferrule, preserving angular precision.
3Ease of operation
If force is applied to cables connected to connectors, then cable installation flexibility is improved, but connector inclination occurs causing variation in protruded lengths and angles
Solution Approach 1:
The holder body with embedded springs serves as an intermediary that isolates connectors from bending forces applied to cables. The springs absorb positional variations in ferrule protrusion caused by cable forces, while the rigid adapter-connector interface prevents transmission of angular deviations, thus maintaining polishing precision despite operational flexibility.
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
The solution effectively suppresses differences in protruded lengths and angles of optical fiber ferrules, ensuring stable and consistent polishing performance even under applied forces, as demonstrated by experimental results showing reduced radius of curvature and axis deviation.
Implementation Method 1
an upper surface of the holder body presses the optical fiber ferrule at a peripheral position of the insertion hole to contract a spring built in the connector when the connector is locked to the adapter
Data Source
AI summary
An optical fiber ferrule polishing holder for suppressing difference of protruded lengths of optical fiber ferrules protruded from the optical fiber ferrule polishing holder and difference of angles of the optical fiber ferrules. Even when force is applied to cables connected to the optical fiber ferrules, polishing performance of connectors is less affected. An optical fiber ferrule polishing holder for holding an optical fiber ferrule incorporated in a connector, including: a holder body having a plate shape; and an adapter fixed to the holder body so that the connector is locked to the adapter, wherein the holder body includes an insertion hole into which the optical fiber ferrule is inserted, and an upper surface of the holder body presses the optical fiber ferrule at a peripheral position of the insertion hole to contract a spring built in the connector when the connector is locked to the adapter.