TT2302 PROCESS AND QUALITY CONTROL IN SPINNING SYLLABUS | ANNA UNIVERSITY B.TECH TEXTILE TECHNOLOGY 5TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIFTH SEMESTER B.TECH TEXTILE TECHNOLOGY DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS, IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
TT2302 PROCESS AND QUALITY CONTROL IN SPINNING L T P C
3 0 0 3
AIM
To provide an in-depth knowledge of theoretical concepts and the modern technological
aspects of process and quality control in spinning
OBJECTIVES
To make the student to be conversant with following studies of process and quality
control in spinning Scope of process control and statistical application Control of raw
material quality, waste generation, yarn quality and productivity
UNIT I PROCESS CONTROL CONCEPT AND STATISTICAL APPLICATION 9
Scope of process control in spinning - Identification of process variables and product
characteristics to control process in the blow room, card, draw frame, comber, speed
frame and yarn spinning - Concepts of developing norms and standards for spinning
process. Application of statistical techniques in process and quality control
UNIT II CONTROL OF RAW MATERIAL QUALITY 9
Quality control of mixing quality through fibre quality characteristics - Concept of fibre
quality index and its application – Prediction of spinnability and yarn quality - Blending
irregularity. Causes of nep generation –.nep removal in carding and combing machines.
Online monitoring and control of neps on modern cards
UNIT III CONTROL OF YARN REALIZATION AND WASTE 9
Estimation of yarn realization – Determination of trash content and cleaning efficiency in
blow room and carding – Determination of comber noil and combing efficiency - Control
of waste in blow room, carding and comber - Control of hard waste.
UNIT IV YARN QUALITY CONTROL 9
Assessment of within and between bobbin count variations, Assessment and control of
count variations in preparatory machines and ringframe –Assessment of yarn
unevenness and imperfections - causes for unevenness and imperfections - unevenness
caused by random fibre arrangement – Drafting waves – Periodic variation. Yarn faults –
classification – assessment of faults – causes and methods to reduce faults. Causes for
variability in strength, elongation and hairiness and measures for their control.
UNIT V PRODUCTION CONTROL 9
Factors affecting the productivity in ring spinning. Productivity indices. Methods for
maximizing production in spinning machinery – New concepts. Effect of Machinery
maintenance and Humidity on production. Causes for end breaks in spinning, Measures
to control end breaks, Snap study.
TOTAL: 45 PERIODS
TEXT BOOKS
1. Garde. A. R. & Subramaniam T. A., Process Control in Spinning, ATIRA,
Ahmedabad 1989.
2. Ratnam T.V. & Chellamani. K. P., Quality Control in Spinning, SITRA Coimbatore
1999.
REFERENCES
1. Chattopadhyay R., “Advances in Technology of Yarn Production”, NCUTE
Publication, New Delhi, 2002.
2. Van der Sluiji M and Hunter L., “Neps in Cotton Lint”, Textile Progress, the Textile
Institute, Manchester, U.K., 1999.
3. Klein W., “Man-made Fibre and their Processing”, the Textile Institute, Manchester,
U.K. 1994.
4. Slater K., “Yarn Evenness”, Textile Progress, The Textile Institute, Manchester, U.K.,
1986
TT2302 PROCESS AND QUALITY CONTROL IN SPINNING L T P C
3 0 0 3
AIM
To provide an in-depth knowledge of theoretical concepts and the modern technological
aspects of process and quality control in spinning
OBJECTIVES
To make the student to be conversant with following studies of process and quality
control in spinning Scope of process control and statistical application Control of raw
material quality, waste generation, yarn quality and productivity
UNIT I PROCESS CONTROL CONCEPT AND STATISTICAL APPLICATION 9
Scope of process control in spinning - Identification of process variables and product
characteristics to control process in the blow room, card, draw frame, comber, speed
frame and yarn spinning - Concepts of developing norms and standards for spinning
process. Application of statistical techniques in process and quality control
UNIT II CONTROL OF RAW MATERIAL QUALITY 9
Quality control of mixing quality through fibre quality characteristics - Concept of fibre
quality index and its application – Prediction of spinnability and yarn quality - Blending
irregularity. Causes of nep generation –.nep removal in carding and combing machines.
Online monitoring and control of neps on modern cards
UNIT III CONTROL OF YARN REALIZATION AND WASTE 9
Estimation of yarn realization – Determination of trash content and cleaning efficiency in
blow room and carding – Determination of comber noil and combing efficiency - Control
of waste in blow room, carding and comber - Control of hard waste.
UNIT IV YARN QUALITY CONTROL 9
Assessment of within and between bobbin count variations, Assessment and control of
count variations in preparatory machines and ringframe –Assessment of yarn
unevenness and imperfections - causes for unevenness and imperfections - unevenness
caused by random fibre arrangement – Drafting waves – Periodic variation. Yarn faults –
classification – assessment of faults – causes and methods to reduce faults. Causes for
variability in strength, elongation and hairiness and measures for their control.
UNIT V PRODUCTION CONTROL 9
Factors affecting the productivity in ring spinning. Productivity indices. Methods for
maximizing production in spinning machinery – New concepts. Effect of Machinery
maintenance and Humidity on production. Causes for end breaks in spinning, Measures
to control end breaks, Snap study.
TOTAL: 45 PERIODS
TEXT BOOKS
1. Garde. A. R. & Subramaniam T. A., Process Control in Spinning, ATIRA,
Ahmedabad 1989.
2. Ratnam T.V. & Chellamani. K. P., Quality Control in Spinning, SITRA Coimbatore
1999.
REFERENCES
1. Chattopadhyay R., “Advances in Technology of Yarn Production”, NCUTE
Publication, New Delhi, 2002.
2. Van der Sluiji M and Hunter L., “Neps in Cotton Lint”, Textile Progress, the Textile
Institute, Manchester, U.K., 1999.
3. Klein W., “Man-made Fibre and their Processing”, the Textile Institute, Manchester,
U.K. 1994.
4. Slater K., “Yarn Evenness”, Textile Progress, The Textile Institute, Manchester, U.K.,
1986
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