Contents

Chapter 1 Introduction to Yarn and Spinning

1.1 Introduction

1.2 Historical development of spinning technology

1.3 Definition and classification of yarn

1.4 Principle and process of spinning

1.5 Spinning systems for different fibers

1.6 Summary and prospect

Chapter 2 Fibers Assortment and Blending

2.1 Introduction

2.2 Properties of textile fibers and their influence on spinning

2.3 Raw material assortments

2.4 Mixing of raw materials

Chapter 3 Opening, Cleaning and Carding

3.1 Introduction

3.2 Opening, cleaning and blending

3.3 Carding

Chapter 4 Combing

4.1 Introduction

4.2 Preparation for combing

4.3 Process and mechanism of combing

4.4 Technical parameters design and their influence on the quality of combing

4.5 Quality index of combed sliver

Chapter 5 Drawing

5.1 Introduction

5.2 Principles of drafting

5.3 Fibers straightened by drafting

5.4 Evening out mass variation on draw frame

5.5 Processing parameters setting and sliver quality control

Chapter 6 Roving

6.1 Operation of roving frame

6.2 Draft of roving

6.3 Twist

6.4 Twisting of roving

6.5 Winding of roving

6.6 Processing parameters and quality control of roving for cotton-type fibers

Chapter 7 Spinning

7.1 Introduction

7.2 Feeding device

7.3 Draft system in ring frame

7.4 Twisting and winding of spun yarn

7.5 Main technological parameters and yarn quality indexes

7.6 New spinning technology

Chapter 8 Post-spinning Process

8.1 Introduction

8.2 Winding

8.3 Doubling

8.4 Twisting

8.5 Steaming

8.6 Singeing

8.7 Reeling

Chapter 9 Design of Staple Yarn Spinning Process

9.1 Contents and steps of the design of yarn spinning technology

9.2 Examples of spinning technology design

Chapter 10 Fancy Yarn Production

10.1 Basic concept of fancy yarns

10.2 Production of fancy yarn on ring frame

10.3 Production of fancy yarn on fancy twister machine

10.4 Production of fancy yarns on other machines