Page 7 - Industrial Cutting of Textile Materials

vi Contents

4 Principles and methods of textile spreading 29
4.1 Introduction 29
4.2 General characteristics of the spreading process 29
4.3 Fabric spreading modes and their application 33
4.4 Dealing with different kinds of spreads 36
4.5 Fabric quality issues 40
Further reading 45

5 Manual spreading of textile materials 47
5.1 Introduction 47
5.2 Characteristics of the manual spreading process 47
5.3 Manual spreading process modes 52
5.4 Disadvantages of the manual spreading process 56
5.5 Equipment for manual spreading 56
Further reading 59

6 Automated spreading of textile materials 61
6.1 Introduction 61
6.2 Classification of automated spreading machines 62
6.3 Spreading machines with movable feeding systems
(fabric transferring or standard spreading machines) 63
6.4 Spreading machines with stationary feeding systems
(fabric pulling machines) 79
6.5 Spreading machines with mixed feeding systems 80
6.6 Spreading modes in the automated spreading process 82
6.7 Automated fabric fault registration and management systems 84
6.8 The advantages of automated spreading process 84
6.9 Future trends 84
Further reading 85
7 Manual cutting of textile materials 87
7.1 Introduction 87
7.2 Characteristics of the manual cutting process 87
7.3 Notches and cloth marking drills 92
7.4 Accuracy problems in the manual cutting process 95
Further reading 100
8 Manual cutting equipment in textile cutting operations 101
8.1 Introduction 101
8.2 The straight-knife cutting machine 101
8.3 The round (rotary) knife cutting machine 104
8.4 The small round-knife cutting machine (rotary shears) 107
8.5 The band-knife cutting machine 108
8.6 The fabric-drilling machine 110
8.7 The hot notching machine 112
Further reading 114