BCT401

Yarn Technology II

L-T-P3-1-0 Credits4 Session2023-24 TypeTheory
Appears in 1 semester

B.Tech Carpet & Textile Technology · Sem 4 (Core)

Syllabus

5 units · 60 lecture hours
Unit1

Unit 1

12 hrs

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.

Unit2

Unit 2

12 hrs

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,

Unit3

Unit 3

12 hrs

Control in yarn faults, ring frame calculations pertaining to TPI, production and draft, Doubling - Objects and terminology, study of ring doublers, TFO

Unit4

Unit 4

12 hrs

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,

Unit5

Unit 5

12 hrs

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.

Course Objectives5 points
  • To acquire knowledge of fundamentals of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system.
  • To understand technological involvement with appropriate techniques in of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system.
  • 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.
  • To make the spinning processes more productive in of speed frame, ring frame, doublers. Wool spinning systems, jute spinning and new spinning system
  • 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
Course Outcomes (COs)6 outcomes

After completion of the course student will be able to:

  1. CO1Basic concept of conversion of staple fibres to yarn.
  2. CO2Theory 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. CO3Processing of different types of fibres and their blends according to the specifications and needs of the customers
  4. CO4Parameters required at different stages of processing of fibres and their influence on yarn quality.
  5. CO5Outline the process flow of short staple long fibre and advance spinning operations.
  6. CO6Calculate draft, waste % and production of machines involved in each process.

Text Books

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

Official AKTU syllabus

This subject is on page 11 of the original AKTU PDF.

Official AKTU syllabus PDF ↗