TT3454 Syllabus - Technology Of Yarn Spinning - 2021 Regulation Anna University

TT3454 Syllabus - Technology Of Yarn Spinning - 2021 Regulation Anna University

TT3454	TECHNOLOGY OF YARN SPINNING	LTPC

3024

COURSE OBJECTIVES:

• To enable the students to learn ring spinning and condensed spinning process.
• To enable the students to understand the yarn plying, twisting, types fancy yarn and method of production.
• To enable the students to learn rotor, friction, air jet, vortex, core and wrap spun yarn production methods.
• To enable the students to learn material passage, draft and production calculation of ring and rotor spinning.
• To enable the students to learn process parameters and production of ring and rotor spun yarn

UNIT I	RING SPINNING	13

Principle of yarn formation in ring spinning machines; working of ring spinning machine; cop building; design features of important elements used in ring spinning machine; draft, twist and production calculations in ring spinning machine; end breakage rate – causes and remedies

UNIT II	CONDENSED YARN SPINNING	5

Condensed yarn spinning – principle, different methods, properties; comparison with ring spun yarn

UNIT III	YARN PLYING	9

Merits of plying of yarns; methods followed for plying – TFO, ring twisting; selection of twist level for plying; calculation of resultant count of plied yarns; types of fancy yarns, method of production

UNIT IV	ROTOR SPINNING	9

Principle of open-end spinning; principle of yarn production by rotor spinning system; design features of important elements used in rotor spinning; structure and properties of rotor yarn

UNIT V	OTHER SPINNING SYSTEMS	9

Friction, air jet and air vortex spinning methods – principle of yarn production, raw material used, structure, properties and applications; principle of yarn production by self-twist, core, wrap, integrated compound spinning systems.

TOTAL: 75 PERIODS (45L + 30P)

COURSE OUTCOMES:: Upon completion of the course, students will be able to

Upon the completion of this course, the student will be able to CO1: Discuss the yarn formation, draft, twist and production calculation in ring spinning. CO2: Explain the principle, properties and different methods of condensed yarn spinning. CO3: Describe the yarn plying and production methods of fancy yarn. CO4: Explain the principle, properties and different methods of rotor spinning. CO5: Explain the spinning methods of rotor, friction, air jet, vortex, core and wrap spun yarn production methods. CO6: Describe the material passage carryout draft and production calculation of ring and rotor spinning machines. CO7: Determine the process parameters of ring and rotor spinning machines.

TEXT BOOKS:

1. Klein W., Vol. 1-3, “The Technology of Short Staple Spinning”, “A Practical Guide to Opening & Carding” and “A Practical Guide to Combing, Drawing, and Roving frame”, The Textile Institute, Manchester, U.K., 1998. 2. Chattopadhyay R. (Ed), Advances in Technology of Yarn Production, NCUTE, IIT Delhi, 2002. 3. Klein W., Vol.4 - 5, “A Practical Guide to Ring Spinning", 1987, and “New Spinning Systems", 1993, The Textile Institute, Manchester, 1987. 4. Gowda R.V.M, “New Spinning Systems”, NCUTE, IIT Delhi, 2003.

REFERENCES:

1. Oxtoby E., “Spun Yarn Technology “, Butterworth Publications, London, 1987 2. Lord P.R., “Yarn Production: Science, Technology and Economics”, The Textile Institute, Manchester, 1999 3. Shaw J., “Short-staple Ring Spinning, Textile Progress”, The Textile Institute, Manchester, 1982 4. Iredale J., “Yarn Preparation: A Handbook “, Intermediate Technology, 1992