Unit 1 Introduction

• of texturing process & twisting 1.1 Introduction to texturing 1.2 Classification of textured yarn 1.3 List of different texturing machine to produce different types of textured yarn 1.4 Twist and object of twist 1.5 Types of twist direction 1.6 Types of twisted yarn 1.7 Effect of twisting on yarn properties 1.8 Types of twisting machines: 1
• Ring Twister

Unit 3 TFO (Two for One Twister

8 lecture hours

• False twist texturing and Draw texturing 2.1 Principle of false twist texturing 2.2 False twist texturing machine and function of parts 2.3 Different factors affecting characteristics of false twist textured yarn 1
• Material variables 2
• Machine variables 3
• Process variables 2.4 Draw texturing machine 1
• Importance of Draw Texturing 2
• Simultaneous Draw Texturing 3
• Sequential Draw Texturing 11 26% 3
• Air jet texturing and quality control 3.1 Air jet texturing machine 1
• Principle of Air-jet Texturing 2
• Air-jet Texturing Process 3
• Application of Air-jet textured yarn 3.2 Classification of Air-textured yarn 1
• Single end air-textured yarn 2
• Co or parallel air-textured yarn Program Name: Diploma Engineering Level: Diploma Branch: Textile Manufacturing Technology Subject Code : DI05029031 Subject Name : Textured Yarn Technology 3
• Core & effect air textured yarn/fancy air textured yarn 3.3 Types of jets for Air texturing 3.4 Effect of different variables on Air-jet textured yarn quality 3.5 Modern Air-jet texturing machine 3.6 Methods to test air textured yarn stability 1
• Du-pont Method 2
• Heberlain Method

Unit 4 Miscellaneous

8 lecture hours

• texturing process and processing of microfilaments 4.1 Stuffer box Texturing process. 1
• Single end crimping machine 2
• Simultaneous crimping of multiple ends 3
• Application stuffer-box textured yarn 4.2 Edge crimping machine. 1
• Principle of edge crimping 2
• Edge crimping machine for production of ‘Agilon yarn’. 3
• Application of Edge crimped yarn 4.3 Gear crimping machine. 1
• Gear crimping process 2
• Application Gear crimp yarn 4.4 Knit-de-knit texturing machine 1
• Knit-de-knit texturing process 2
• Application of knit-de-knit textured yarn 4.5 Processing of microfilament on texturing machine

Unit 5 Warping &

10 lecture hours

• Testing & quality control of Textured yarn & Fabric 5.1 Testing of various textured yarn properties 1
• Denier and its variation 2
• Tensile properties 3
• Spin finish or lubricating oil content by Soxhlet extraction method 4
• Crimp permanency and crimp Contraction: Leesona skein shrinkage test & Heberlain crimp contraction test 5.2 Warping of Textured yarn 5.3 Sizing of Textured yarn 5.4 Textured yarn fault
• causes & remedies 5.5 Textured yarn fabric fault
• causes & Remedies