Classification of winders Characteristics of parallel winding cross winding and precision winding. Types and working principles of yarn clearers, knotters and splicers Classification of yarn faults - Types of tensioners, guides- cop unwinding characteristics stop motions cone defects, causes and rectification.
UNIT II
Features of automatic cheese and cone winders winding of synthetic yarns, blended yarns and sewing threads package quality for dyeing productivity calculations of winding machine. Types and working principle of pirn winding machines bunching, stop motions features of automatic pirn winding machine production and efficiency calculation process control in pirn winding pirn defects causes and remedies.
UNIT III
Beam warping machines types creels stop motion brakes length measuring motion features of modern warping machines - sectional warping machine creel lease reed-stop motion end breaks in warping quality control beam defects causes remedies.
UNIT IV
Types and selection of ingredients for sizing. Size preparation and storage equipments sizing machines multi-cylinder & hot air marking and measuring motion control systems in sizing machines mechanism of cylinder drying, beam pressing devices mechanical, pneumatic, hydraulic.
UNIT V
Single end sizing machines sizing of blended & filament yarns process control in sizing sizing faults causes & remedies modern development in sizing, Efficiency and production calculations.
Need for drawing-in operation, working principles of manual, semiautomatic and automatic drawing in machines knotting, pinning machines.
REFERENCE
Text Books
1. Ajgaonkar D.B., Talukdar M.K. and Wedekar, Sizing: Material Methods and Machineries, Mahajan Publications Ahmedabad, 1999.
2. Lord P.R. and Mohammed M.H., Weaving Conversion of Yarn to Fabric, Merrow Publication, 1992.
Reference Books
1. Modi J.R.D., Sizing Ingredient, Mahajan Publications, Ahmedabad
2. Booth J.E., Textile Mathematics, Vol. II & III, Textile Institute, Manchester, U.K., 1975.
3. Ormerod A., Modern Preparation and Weaving, Merrow Publication Co. U.K. 1988.
4. Sengupta E., Yarn Preparation, Vol. I & II, Popular Prakasam, Bombay, 1970.
5. Talukdar M.K., An Introduction to Winding and Warping Testing Trade Press, Mumbai.