Unit1
Unit 1
8 hrsVarious systems of wool fibre spinning- woolen, worsted, semi worsted - Flow chart, Willow m/c, woolen and semi worsted cards, production calculations in woolen card.
Syllabus
5 units · 40 lecture hoursUnit2
Unit 2
8 hrsGilling, Rubbing frame and ring frame-sequence of machines and operations, Comparison of above spinning systems, production calculations in these machines.
Unit3
Unit 3
8 hrsRotor Spinning: Principle of Operation, properties and applications of rotor yarn. Friction Spinning: Principle of operation of DREF-II & DREF-III, properties and application of friction spun yarn
Unit4
Unit 4
8 hrsAir Jet Spinning: Principle of formation of yarn in Murata Air jet spinning, Properties of Air jet spun yarn & the factor influencing air jet spun yarn.
Unit5
Unit 5
8 hrsBrief discussion on Ply-fill spinning system, wrap spinning, electrostatic spinning etc. Requirement of carpet yarn in regards to count, twist, and bulk for Handmade and machine made carpet. Faults in carpet yarn and their remedies.
Course Objectives
- To learn, demonstrate, evaluate and product development on sustainable modern techniques of advance yarn manufacturing namely open end spinning, such as rotor, friction, airjet, air vortex, electrostatic, twist less, plyfill etc. and woolen and semi-worsted yarn formation technology.
Course Outcomes (COs)
After completion of the course student will be able to:
- CO1Identify various advance spinning techniques for advance yarn manufacturing.
- CO2Classify technology of modern spinning machines such as rotor, friction, airjet, air vortex, electrostatic, twist less, plyfill etc.
- CO3Demonstrate various modern techniques of spinning as in CO 1 & CO 2.
- CO4Compare and contrast various modern woolen and semiworsted techniques.
- CO5Review and revise the knowledge of various spinning and other techniques of un conventional yarn formation techniques.
- CO6Implement the knowledge and design innovative techniques for advance yarn manufacturing on above techniques. Page 10 of 30
References
- New spinning technology- W. Klein.
- Worsted yarn technology-By Eric Oxtoby
- C. Vickerman, Woollen Spinning, Abhishek Publications, Chandigarh-17 (India)
- W S Simpson and G H Crawshaw, Wool: Science and Technology, Woodhead Publishing Limited, Cambridge, England
- Miles Collins, Wollen and Worsted Spinning, Abhishek Publications, Chandigarh-17 (India)
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