AKTU Advance Spinning Technology (BTT602) Syllabus PDF – B.Tech 3rd Year

Course Outcome: After completing the course student will be able to- CO1 : Understanding ring spinning limitations, principle of OE spinning , Classification of new spinning technologies CO2 :Understanding principle & yarn formation of rotor spg ,yarn structure & properties of rotor yarn CO3 : Understanding concept of friction spinning , Dref-2 and Dref-3 machines and yarn formation, yarn structure , properties and application of friction yarns CO4 : Understanding principle and yarn formation of air jet spinning , vortex spinning, limitations and uses of air spinning technology , characteristics of air jet and vortex yarns CO5 :Understanding concepts of self twist and twist spinning, Twist-less spinning , electrostatic spinning , wrap spinning, core spinning and felting process .

Unit-1 : Limitations of ring spinning , causes leading to advent of non-conventional system of spinning

,Principle of unconventional method of yarn manufacturing open-end spinning process , Advantages and limitations of open-end spinning process , Yarn structure and end use applications of open end yarns , Classification of new yarn spinning technologies. Brief description of new yarn spinning technologies.

Total Lectures Required =7

Unit-2 :Rotor spinning –Objectives and working principle of rotor spinning , Operations involved in rotor

spinning , Design features of rotor spinning machine and yarn formation, Design features of opening unit , rotor , naval and yarn withdrawal tube, Raw material requirements, Yarn structure, Yarn characteristics-comparison with ring yarn , Latest development in Rotor spinning Total Lectures Required =7

Unit-3 :Friction spinning – principle ,Dref -2 and Dref-3 spinning , Design features of Dref-2 and Dref-3

machines , working principle and yarn formation in Dref-2 and Dref-3 , Raw material requirements , Limitations of friction spinning , Yarn structure and Properties of friction spun yarn, End use applications of friction yarns Total Lectures Required =7

Unit-4 : Air jet spinning-Principle , concept of false twist , Double nozzle air jet spinning- working

principle and yarn formation , Vortex spinning – working principle and yarn formation , Raw material requirements , effect of process variables on yarn formation , Yarn characteristics of air jet spun yarns.

Limitations of air jet yarns ,End use applications of air jet spun yarns.

Total Lectures Required =8

Unit-5 : Self twist spinning – Rubbing Technique , Twist spinning- Plyfil spinning and SIRO spinning ,

Twist less spinning – TWILLO process , Bobtex ICS process , Wrap spinning- parafil spinning , Electrostatic spinning , Core spinning , Felting Process – Periloc yarn Total Lectures Required = 7

Reference Books

1. New Spinning Technology Vol 4 & 5 – W. Klein
2. Fundamentals of spun yarn technology By C. A Lawrence
3. Spun Yarn Technology – Oxtoby
4. New Spinning Systems –Mahendra Gowda R V (NCUTE Publication ,IIT Delhi ,2006)