AKTU Yarn Technology-II (BCT401) Syllabus PDF – B.Tech 2nd Year

Course Objectives

1. To acquire knowledge of fundamentals of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system.
2. To understand technological involvement with appropriate techniques in of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system.
3. To formulate and apply technological knowledge in of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system in spinning industry.
4. To make the spinning processes more productive in of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system
5. To demonstrate knowledge for project work and be helpful to higher studies in the field of of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system Unit (1): Total lectures required = 12 Objectives of speed frame, important parts of speed frame and their functioning, Mechanism involved in drafting, twisting, and winding, different types of roller drafting systems, Common defects in roving package, calculations pertaining to gearing, draft, t.p.i. and production, twist multiplier and roving twist. Unit (2): Total lectures required = 12 Introduction and objective of ring frame, important parts of ring frame and their functions, principle and mechanism involved in drafting, twisting and winding, Spinning Geometry, Types of rings and travelers, mechanism of cop formation, common package size, Unit (3): Total lectures required = 12 Control in yarn faults, ring frame calculations pertaining to TPI, production and draft, Doubling - Objects and terminology, study of ring doublers, TFO Unit (4): Total lectures required = 12 Wool-shearing, clipping and grading. Impurities present in wool and their removal, wool scouring and carbonization. Various systems of wool fibre spinning- woollen and semi worsted - Flow chart, Unit (5): Total lectures required = 12 Principles & techniques of manufacturing braided yarn, Spinning of Long staple Fibres like Jute and Silk. Introduction to New spinning system like open end spinning. Airjet spinning etc.

Text Books

1. A Practical Guide to Spinning (Individual book for each unit) by W.Kiein.
2. Spinning of man-made and blends on cotton systems by K.R.Solholore
3. Manual of cotton spinning by Frank Fharnley
4. Technology of carding by R.Chattopadhyay

Course Outcomes

After successful completion of this course, the students should be able to;

1. Basic concept of conversion of staple fibres to yarn.
2. Theory of various operations carried out and working principle of machineries and different mechanism involved in speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system.
3. Processing of different types of fibres and their blends according to the specifications and needs of the customers
4. Parameters required at different stages of processing of fibres and their influence on yarn quality.
5. Outline the process flow of short staple long fibre and advance spinning operations. 6. Calculate draft, waste % and production of machines involved in each process.