How Are Fiber Optic Cables Made?
我. 介绍
A. Definition of fiber optic cables
乙. Importance of fiber optic cables in modern telecommunications
二. Materials Used
A. Optic fiber
1. Types of fibers
2. Characteristics of optical fibers
乙. Coating materials
1. Types of coatings
2. Functions of coatings
三、. Cable Manufacturing Process
A. Preform fabrication
1. Production of the glass preform
2. Quality control during preform fabrication
乙. Drawing
1. Heating the preform
2. Fiber drawing process
C. Primary coating
1. Applying the primary coating
2. Curing the primary coating
四号. Cable Assembly
A. Stranding
1. Arranging fibers into bundles
2. Advantages of stranding
乙. Applying secondary coating
1. Purpose of secondary coating
2. Materials used for secondary coating
C. Protective layer and jacketing
1. Applying protective layer
2. Adding the outer jacket
V. Final Testing and Quality Control
A. Optical performance testing
1. Measuring optical loss and attenuation
2. Testing for signal transmission quality
乙. Mechanical strength testing
1. Tensile strength testing
2. Bend radius testing
C. Quality control procedures
1. Inspections during cable manufacturing
2. Random sampling and batch testing
六、. 结论
A. Recap of fiber optic cable manufacturing process
乙. Importance of quality control in producing reliable fiber optic cables
