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AKTU Yarn Manufacture-I (BHT303) Syllabus PDF – B.Tech 2nd Year
Yarn Manufacture-I BHT303
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- Semester 3
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Official AKTU syllabus of Yarn Manufacture-I (BHT303) for B.Tech 2nd Year – 3 credits, L-T-P 2-1-0. Read the unit-wise course content, course outcomes, evaluation pattern and recommended books online, or download the PDF.
Syllabus — Yarn Manufacture-I
Download PDFBHT303 · 3 credits · L-T-P 2-1-0
Course Objectives
- To enable the students to learn about introductory part of cotton spinning process and working of Ginning.
- To enable the students to know about the objectives and operation involved in Blowroom.
- To enable the students to know about the objectives and operation involved in Carding.
- To enable the students to know about objectives and operation involved in Comber.
- To enable the students to know about the objective and operation involved in Draw Frame.
| Unit | Topics | Lectures |
|---|---|---|
| I | 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 | 9 |
| II | 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. | 9 |
| III | 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. | 9 |
| IV | 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. | 9 |
| V | 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. | 9 |
Outcomes:
Upon completion of the course, the students will be able: -
- To know about the introductory part of cotton spinning process and working of Ginning.
- To know about the objectives and operation involved in Blowroom.
- To know about the objectives and operation involved in Carding.
- To know about objectives and operation involved in Comber.
- To know about the objective and operation involved in Draw Frame
Text Books
- Oxtoby E., “Spun Yarn Technology “, Butterworth, London, 1987
- Klein W., “The Technology of Short-staple Spinning “, The Textile Institute, Manchester, 1998
- Klein W., “A Practical Guide to Opening and Carding “, The Textile Institute, Manchester, 1999
- Klein W., “A Practical Guide to Combing, Drawing and Roving Frame “, The Textile Institute, Manchester,
Reference Books
- Klein W, “A Practical Guide to Ring Spinning”, The Textile Institute, Manchester, Vol 4. 2002.
- Klein W, “New Spinning Process”, The Textile Institute, Manchester, Vol.5, 2002.
- Lawrence C A, “Fundamental of Spun Yarn Technology” CRC Press, USA, 2003.
- Lord P R, “Handbook of Yarn Production”, The Textile Institute, Woodhead Publication Limited, Cambridge, 2003.
- Oxtoby E, “Spun Yarn Technology”, Butterworth and Co. Ltd., 1987.
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