Laser Marking System for Optical Fiber Cables
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Solution Overview
Problem
Existing methods for marking optical fiber cables at high speeds are inefficient due to speed deficiencies and susceptibility to damage, particularly in conventional laser and ink-based marking techniques.
Innovation Solution
A high-speed laser marking system utilizing a rotating mirror or optical deflector to direct a laser beam onto discrete locations on the moving cable surface, combined with inkjet overwriting for enhanced visibility and abrasion resistance, allowing for precise and durable markings at speeds exceeding 50 meters per minute.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional laser marking techniques are used, then markings can be formed on optical fiber cables, but the marking speed is insufficient and markings are susceptible to damage
Solution Approach 1:
The patent replaces conventional mechanical marking systems with a laser-based marking system. The laser beam is directed onto the moving cable surface through optical components, eliminating mechanical contact and enabling high-speed marking without compromising durability. The laser interacts with the cable material to form permanent marks through thermal or ablation processes.
Solution Approach 2:
The patent employs a dynamic laser directing mechanism that can rapidly change the beam path to track and mark discrete locations on the moving cable. The system synchronizes laser firing with cable motion, allowing marks to be placed at precise intervals along the moving surface at speeds exceeding 50 meters per minute.
2Productivity
If marking speed is increased to meet production requirements, then productivity improves, but marking precision and quality deteriorate
Solution Approach 1:
The patent incorporates a feedback mechanism where a sensor detects the cable surface or reference markers, and this information is used to dynamically adjust the laser timing and positioning. The system continuously monitors and corrects for variations in cable speed or position, maintaining marking precision even at high production speeds.
Solution Approach 2:
The system performs preliminary positioning and synchronization before the actual marking occurs. The laser directing device pre-calculates and prepares the beam path based on anticipated cable position, ensuring that marks are placed accurately on discrete locations even as the cable moves at high speed through the marking zone.
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 system enables fast and durable marking of optical fiber cables with high precision and resistance to wear, outperforming conventional techniques by maintaining marking quality and longevity at elevated production rates.
Implementation Method 1
a laser generating device configured to generate a laser beam that forms markings by interacting with the material of the moving surface
Implementation Method 2
forms markings by interacting with the material of the moving surface
Data Source
AI summary
A system and method for marking a moving surface of a fiber optic cable is provided. The system includes a supply of the fiber optic cable, a laser generating device configured to generate a laser beam that forms markings by interacting with the material of the moving surface of the fiber optic cable. The system includes a movement device moving the fiber optic cable through the system at a speed of at least 50 m per minute. The system includes a laser directing device located in the path of the laser beam and configured to change the path of the laser beam to direct the laser beam to a plurality of discrete locations on the moving surface to form a series of marks on the moving surface. The moving surface includes a plurality of tracking indicia to allow the position of the moving surface to be determined.