Yarn Manufacture – IV (ETE-603)
Unit (1): Principle and mechanism involved in drafting, twisting & winding (2), ordinary and high draft system (2), yarn twist: Terminology, twist level, concept of twist multiplier (1), propagation of twist (2),
Total Lecturers Required = 7
Unit (2): Builder motion (2), common package size, limitations to large package spinning (2), types of rings and travelers and their common uses (2), Rising and falling lappets, control rings, apron drafting system (2)
Total Lecturers Required = 8
Unit (3): System of waste collection of ring frame and types of spinning wastes (2), limitation in ring spinning and factors responsible for loss in efficiency (1), yarn faults and their remedies (2), Recent developments in ring spinning (1).
Total Lecturers Required = 7
Unit (4): Doubling: - Objects and terminology (1), study of ring doublers (1), fancy yarns (1), sewing thread and tyre Cord (1). Reeling: Objects and terminology, types of reeling construction and working of a reel (2), yarn bundling (1), calculation of draft, TPI and production of ring frame & doubling frame (2),
Total Lecturers Required = 9
Grand Total of lectures required =31
Reference Books: -
1. Elements of ring frame & doubling – Dr. A.R. Khare
2. The technology of short-shape staple spinning – W. Klein
3. Cotton spinning – Taggart
4. Spun yarn technology – Oxtoby
For more details, visit http://www.uptu.ac.in/academics/syllabus/syllabus_textile_chem_texteng_mmft.pdf
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