Advance Spinning Technology

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.

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

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

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.

• 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
• Grand Total of Lectures Required = 36