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Chapter 1 Yarn Definition and General Consideration
1.1 Yarn, Thread and Classification
¡¡¡¡1.1.1 Definition of yarn
¡¡¡¡1.1.2 Classification of yarns
¡¡¡¡1.1.3 Yarn description
1.2 Systems of Yarn Manufacturing
1.2.1 Systems of yarn manufacturing
1.2.2 Methods of spinning
1.2.3 Generalization of spinning processes
1.3 Theoretical Aspects of Yarn Manufacturing
Chapter 2 Fiber Assemblies and their Characteristics
2.1 Fiber Assemblies
¡¡2.2 Porousity of Fiber Assembly
¡¡2.3 Frictional Property of Fiber Assemblies
Chapter 3 Fiber Preparation and Selection
3.1 Extraction of Fibrous Materials
3.2 Degumming for Bast Fibers and Silk
3.3 Scouring and Carbonizing for Wool
¡¡¡¡3.3.1 Scouring
¡¡¡¡3.3.2 Drying
¡¡¡¡3.3.3 Carbonizing
3.4 Selection of Fiber Materials
Chapter 4 Fiber Blending
4.1 Purposes of Blending
4.2 Fiber Distribution in Blended Yarns
4.2.1 Random fiber distribution and the occurrence of clusters
4.2.2 Nonuniform fiber distributions in yarn sections
¡¡4.3 Tensile Properties of Blended Yarns
Chapter 5 Opening, Cleaning and Blending
5.1 Methods and Practices of Opening
¡¡¡¡5.1.1 Opening by picking and pulling, large mass to small tufts
¡¡¡¡5.1.2 Opening by beaters, roll feed
¡¡¡¡5.1.3 Opening by beaters, loose stock feed
¡¡¡¡5.1.4 Opening by carding
¡¡¡¡5.1.5 Summary of opening principle
5.2 Theories and Practices of Cleaning
¡¡¡¡5.2.1 Any opening action cleans
¡¡¡¡5.2.2 Cleaning by centrifugal force
¡¡¡¡5.2.3 Cleaning by a beater driving fibers over open grid bars or screens
¡¡¡¡5.2.4 Cleaning by air suction drawing stock over grid surfaces, fingers, or open plates
¡¡¡¡5.2.5 Cleaning through selective separation by streamline air flotation
¡¡¡¡5.2.6 Cleaning by air suction against rotating screens
5.3 Methods and Practices of Blending
¡¡¡¡5.3.1 Hand-stock blending
¡¡¡¡5.3.2 Bin blending
¡¡¡¡5.3.3 Lap blending
¡¡¡¡5.3.4 Blending practices
5.4 Opening and Blending Machines
¡¡¡¡5.4.1 Blending hopper bale opener
¡¡¡¡5.4.2 Blending opener with opening unit
¡¡¡¡5.4.3 Reciprocating bale opener
¡¡¡¡5.4.4 Multimixer and Aero-mixer
5.5 Opening and Cleaning Machines
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Chapter 6 Carding
Chapter 7 Roller Drafting
Chapter 8 Twisting
Chapter 9 Winding
Chapter 10 Yarn Ballon and Tension in Ring Spinning
Chapter 11 Problems in New Spinning and its Devlopments
Chapter 12 Production and Quality Control
References