15TX21T: Yarn Manufacture-I Textile 2nd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Yarn Manufacture-I detail DTE Kar Diploma syllabus for Textile Engineering (TX), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15TX21T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other textile 2nd sem syllabus for diploma c15 scheme dte karnataka you can visit Textile 2nd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for yarn manufacture-i is as follows.

Pre-requisites:

Knowledge of Textile Fiber Technology of I semester.

Course Objectives:

Understand conversion of fibre in to sliver through blow room, card and draw frame.

Course Outcomes:

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Unit-I

Count Systems – Direct and indirect, application in textiles, Indian Cotton Scenario, Principles of ginning process. Roller gin, Saw gin and McCarthy gin. Pre- and post- ginning operations.

Unit-II

Mixing and Blending:Definition and objects, difference between mixing and blending. Selection of fibres, Importance of mixing and blending, Types of mixing: Bin mixing, Stack mixing. Places of mixing: Blow-room mixing, Carding, Draw frame mixing and blending. Mixing bale opener, Unimix, automixer, Uses of Anti-Static Reagent in mixing. Tinting of the fibres in
mixing. Blendomat – BDT – M/S Trutzschler (Programmable bale opener). Uni-Floc Bale opener – M/S Reiter.

Unit-III

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Unit -IV

Detailed study of conventional Scutcher, Principle and Working of Piano Feed Regulating Motion. Principle of Cone Drum, use of Cone Drum. Lap Forming Unit. Doffing Mechanism, lap defects and remedies, Chute feed system, Advantages and disadvantages, Bypass systems and feed regulations, Trutzchler Automatic Scutcher, blow room waste. Brief idea about the selection of blow room line (or machinery) for various types’ cotton, P/C blends. Difference between modern and conventional blow room, Calculation regarding speed, production, efficiency, waste extraction, hank of lap etc, Process parameters, quality norms and characteristics of good lap.

Unit-V

Principles and objects of Carding, Detail study of Revolving Flat Card, Constructional features and working details of Licker-in, cylinders, flats, doffers, feed roller, mote knives, Licker-in under casing, back plate, cylinder-under casting, front plate, doffer comb, trumpet, calendar roller and coiler roller.
Settings of the various parts of the card. Card Stripping: Roller stripping, Vacuum stripping, Continuous stripping, Card Grinding: Long roller grinding, Traverse grinding.

Card Clothing: Metallic clothing, clothing with metallic wires, advantages and disadvantages of metallic clothing. Flexible clothing – Foundation, wire clothing construction, types of card clothing, setting of card clothing. Comparison of flexible-wire and metallic-wire card clothing. Study of semi high speed and high speed cards and their comparison, Cleaning efficiency, Doffing device. Quality control in carding, process parameters, Fibre loading on wire surface of card. Card sliver defects, Calculation regarding speeds, drafts, production, waste percentage, hank of slivers etc.

Unit -VI

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Reference Books:

1. W. Klein, Rieter Manual of Spinning Volume 1-3, Rieter, 2010.
2. Peter R. Lord, Handbook of Yarn Production, Technology, Science and Economics, CRC Press publication, New York, 2002.
3. Carl A. Lawrence, Fundamentals of Spun Yarn Technology, CRC Press publication, New York, 2002
4. R. Chattopadhyay and R. S. Rengasamy, Spinning, Drawing, Combing & Roving, NCUTE Pilot Programme, Indian Institute of Technology, New Delhi, 2003.
5. W. Klein, Vol. 1 – 3, The Technology of Short Staple Spinning, A Practical Guide to Opening & Carding and A Practical Guide to Combing, Drawing and Roving frame, The Textile Institute, Manchester, U.K., 1998.
6. Coulson (Ed) A.F.W. Manual of Cotton Spinning Vol.I to IV , textile Institute, Manachester, 1958

Course Delivery:

The course will be delivered through lectures, demonstration and presentations

Model Question Paper:

(CIE)

1. State the objects of ginning. OR Define yarn count and name system used
2. Explain with neat sketch roller gin OR Explain with neat sketch Macharthy gin
3. Explain with neat sketch working of ERM Cleaner OR Mono cylinder
4. Explain with neat sketch working of Auto mixer OR Step cleaner

Model Question Paper:

PART-A 6X5=30

1. What are the ginning defects and state remedies
2. Define mixing and blending.
3. Write a note on selection of fibres for spinning
4. State the objects of opening and cleaning
5. State major cleaning points.
6. Differentiate between high speed and conventional carding
7. Discuss the locations where carding action takes place in a card
8. State features of modern draw frame
9. State lap defects and suggest remedies

PART-B

1. Explain with neat sketch McCarthy gin machine
2. Explain with neat sketch working of Automixer
3. Explain with neat sketch working of blendomat
4. Explain with neat working of Step cleaner
5. Explain with neat sketch working of ERM Cleaner
6. Calculate the production of a single scutcher per 8 hours with the speed of 9″ lap roller is 8 rpm and delivers a lap of 12.0 ounces/yard. Time losses in doffing and other incidental operation amounts to 10%.
7. Explain features of carding machine parts
8. The production of card per hour is 12 lbs. There are 20 cards that are running to process similar type of material , waste taken at each card is 5 % the hank of lap fed to card is 0.0012, calculate at what speed the 9 inch lap roller of scutcher should run with a efficiency of machine being 90%.
9. Explain with Rieter 3-over-5 system of drafting system in drawframe
10. Calculate the production per shift of 8 hours of drawframe which is running at 85% efficiency speed of 1 inch front roller is300 rpm, weight of sliver fed is 60 grains per yard, the draft is 6.2 and number of doublings are 6 deliveries per machine

For detail syllabus of all other subjects of BE Textile, C15 scheme do visit Textile 2nd Sem syllabus for C15 scheme.

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