UNIQUE SERIES AKTU Syllabus
BHT303

Yarn Manufacture I

L-T-P2-1-0 Credits3 Session2023-24 TypeTheory
Appears in 1 semester

B.Tech Handloom & Textile Technology · Sem 3 (Core)

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Syllabus

5 units · 45 lecture hours
Unit1

Unit 1

9 hrs

Introduction Sequence of spinning machinery for producing carded, combed and blended yarns in short staple and long staple spinning system; influence of characteristics of raw material – fibre fineness, length, strength, elongation, stiffness, fibre friction, cleanliness on spinning performance; spinnability; Ginning, Objectives of ginning; selection of right type of gins; ginning performance on yarn quality, description and working of Saw Gin, Knife Roller Gin and Macarthy Gin

Unit2

Unit 2

9 hrs

Blowroom Machinery Opening and Cleaning: Introduction & Objectives, the need for opening and cleaning, type of opening and degree of opening, impurities to be eliminated. Mixing and Blending: Different methods along with advantages and disadvantages, principle and description of opening, cleaning and blending machines used in blow room; chute feed and lap feed differences; cleaning efficiency and production calculations.

Unit3

Unit 3

9 hrs

Carding Machine Objectives and Principles of carding, stripping and brushing action; Design and construction of various parts and machine as a whole, Different zones of a carding machine, Mechanics of neps and hooks formation and their control, auto levelling, Calculations related to a carding machine.

Unit4

Unit 4

9 hrs

Comber Objectives of comber preparatory, detailed study of sliver lap, ribbon lap and super lap formers, objects and principles of combing, sequence of combing operation, combing efficiency and production calculation.

Unit5

Unit 5

9 hrs

Drawing Frame Introduction, objective of draw frame, operating principle, Attenuation (draft): the draft, the drafting operation, drafting force, behavior of the fibers in the drafting zone, Draw frame operating devices: creel, drafting arrangement- requirements, influences on the draft; elements of drafting arrangements in short staple spinning- bottom rollers, top rollers, top roll pressure, forms of drafting arrangements- 3 over 4 roller drafting arrangement, 3 over 3 roller drafting, 4 over 3 roller drafting, 5 over 4 roller drafting, auto leveler in draw frame. Calculation pertaining to draft and production of draw frame machine.

Course Outcomes (COs)5 outcomes

After completion of the course student will be able to:

  1. CO1To know about the introductory part of cotton spinning process and working of Ginning.
  2. CO2To know about the objectives and operation involved in Blowroom.
  3. CO3To know about the objectives and operation involved in Carding.
  4. CO4To know about objectives and operation involved in Comber.
  5. CO5To know about the objective and operation involved in Draw Frame

Text Books

  1. Oxtoby E., “Spun Yarn Technology “, Butterworth, London, 1987
  2. Klein W., “The Technology of Short-staple Spinning “, The Textile Institute, Manchester, 1998
  3. Klein W., “A Practical Guide to Opening and Carding “, The Textile Institute, Manchester, 1999
  4. Klein W., “A Practical Guide to Combing, Drawing and Roving Frame “, The Textile Institute, Manchester, 1999

References

  1. Klein W, “A Practical Guide to Ring Spinning”, The Textile Institute, Manchester, Vol 4. 2002.
  2. Klein W, “New Spinning Process”, The Textile Institute, Manchester, Vol.5, 2002.
  3. Lawrence C A, “Fundamental of Spun Yarn Technology” CRC Press, USA, 2003.
  4. Lord P R, “Handbook of Yarn Production”, The Textile Institute, Woodhead Publication Limited, Cambridge, 2003.
  5. Oxtoby E, “Spun Yarn Technology”, Butterworth and Co. Ltd., 1987.

Official AKTU syllabus

This subject is on page 8, 9 of the original AKTU PDF.

Official AKTU syllabus PDF ↗