Carding and Combing detailed Syllabus for Textile Manufacturers (TX), I – scheme has been taken from the MSBTE official website and presented for the diploma students. For Subject Code, Subject Name, Lectures, Tutorial, Practical/Drawing, Credits, Theory (Max & Min) Marks, Practical (Max & Min) Marks, Total Marks, and other information, do visit full semester subjects post given below.
For all other Diploma in Textile Manufacturers (TX) Syllabus for 3rd Sem I – Scheme MSBTE, do visit Diploma in Textile Manufacturers (TX) Syllabus for 3rd Sem I – Scheme MSBTE Subjects. The detailed Syllabus for carding and combing is as follows.
Rationale:
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Competency:
The aim of this course is to help the student to attain the following industry identified competency through various teaching learning experiences:
- Use carding machine to form uniform sliver product.
Course Outcomes:
The theory, practical experiences and relevant soft skills associated with this course are to be taught and implemented, so that the student demonstrates the following industry oriented COs associated with the above mentioned competency:
- Use carding machine to individualize the fibres, remove impurities and neps in cotton material.
- Use auto-levelers to produce even quality sliver.
- Use draw frame to produce even sliver.
- Use auto-levelers to control sliver quality of draw frame.
- Use comber lap preparatory to produce even lap sheet.
- Use comber to produce good quality sliver by removing short fibres and hooks.
Suggested Practicals/Exercises
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Instruments Required:
The major equipment with broad specification mentioned here will usher in uniformity in conduct of experiments, as well as aid to procure equipment by authorities concerned.
Equipment Name with Broad Specifications
- Carding machine (Doffer dia.-27 inch, Cylinder dia.-50 inch. Licker in-dia-9 inch. Feed roller dia.-2inch.) Digital Tachometer (100-5000 rpm), steel ruler, Vernier caliper
- Leaf guages-5 thou (571000), 7thou, 10thou,12thou.
- Draw frame. Feeler gauges- 1/32 and 1/25
- Sliver lap machine, Shell roller dia-12inch.Calender roller dia-5inch
- Ribbon lap machine, Shell roller dia-12inch.Calender roller dia-5inch.
- Comber machine, nips /min-350,feed /nip-1 1,Digital Tachometer (100-5000 rpm),steel ruler
- Gauges- Step gauge, distance gauge, bowl gauge
Unit 1
Carding Process
Total Teaching Hours – 12
Distribution of Theory Marks
R Level – 02
U Level – 04
A Level – 06
Total Marks – 12
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the construction and working of the specified parts of carding machine.
- Differentiate between feeding devices based on given parameters.
- Describe with sketches the relevant zones in carding machine based on given application.
- Describe with sketches the process of removing impurities from given sample.
- Describe with sketches the process of fibre to fibre separation from given sample.
Topics and Sub-topics
- Carding process: Purpose, Operating principle
- Operating zones: material feed, feed device, feed device to licker-in(lap feed, chute feed),Licker-in zone, auxiliary carding devices, main cylinder, flats, doffing, detaching.
- Coiling: types, condensing, trumpet, sliver coiling, can changer
- Classification of fiber hooks at card
Unit 2
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Unit 3
Drafting process and draw frame machine
Total Teaching Hours – 10
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 04
Total Marks – 08
Unit Outcomes (UOs) (in cognitive domain)
- Explain with sketches the construction and working of the specified parts of drawing machine.
- Describe with sketches the the given drafting arrangement
- Describe with sketches the maintenance procedure for the given type of rollers.
- Describe with sketches the the given draw frame.
Topics and Sub-topics
- Draw Frame: Purpose, operating principle, Attenuation (Draft), roller drafting, distribution of draft, Shirley drafting principle, principles of doubling, factor affecting the draft based on fibre material. Passage of material through draw frame.
- Operating devices: Creel, Drafting arrangement, drafting rollers-top rollers, bottom rollers, cots buffing, roller setting, roller weighing systems, roller clearers, suction system.
- Drafting systems used on draw frame 3/4. 3/3, 4/3, 5/4, pressure bar.
Unit 4
Monitoring and Auto leveling of Draw frame
Total Teaching Hours – 06
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 06
Total Marks – 10
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the specified method of auto levelers.
- Describe application of the specified monitoring devices on draw frame.
- Explain the specified defects in drawn sliver with their causes and remedies.
- Calculate the speed, draft and production of a draw frame for the given situation.
Topics and Sub-topics
- Auto-leveler in draw frame.
- Integrated monitoring system (sliver data)
- Draw frame calculations: draft, production and waste,
- Draw frame: Defects, causes and remedies. Features of high production draw frame.
Unit 5
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Unit 6
Combing Process
Total Teaching Hours – 18
Distribution of Theory Marks
R Level – 04
U Level – 04
A Level – 10
Total Marks – 18
Unit Outcomes (UOs) (in cognitive domain)
- Describe with sketches the sequence of operation of the given comber.
- Explain importance of index wheel for the given combing machine
- Calculate the production in Kg/shift and draft of the given combing machine with given data.
- Compare the features of the given types of feed.
Topics and Sub-topics
- Comber-Elements, working, Types,
- Technology of combing- parameters influencing the combing operation, influence of the combing on quality, Sequence of operation of rectilinear comber; Defects, causes and remedies of comber machine, features of modern comber. Types of feed- forward feed, backward feed.
- Index wheel timing and setting of comber. Influence of machine component and setting on combing performance.
- Calculations related to draft, noil and production.
Note: To attain the COs and. competency, above listed UOs need to be undertaken to achieve the ‘Application Level and above of Blooms ‘Cognitive Domain Taxonomy’
Note:
Legends: R=Remember, U^Understand, A Apply and above (Blooms Revised taxonomy)
Note: This specification table provides general guidelines to assist student for their learning and to teachers to teach and assess students with respect to attainment of UOs. The actual distribution of marks at different taxonomy levels (of R, U and A) in the queslion paper may vary from above table.
Suggested Student Activities:
Other than the classroom and laboratory learning, following are the suggested student-related co-curricular activities which can be undertaken to accelerate the attainment of the various outcomes in this course: Students should conduct following activities in group and prepare reports of about 5 pages for each activity, also collect/record physical evidences for their (students) portfolio which will be useful for their placement interviews:
- Prepare journals based on practicals performed in laboratory.
- Measure sliver evenness specification.
- Give seminar on any relevant topic.
- Library survey regarding modem features of carding, drawing, comber preparatory and comber machine use in different industries.
- Prepare power point presentation for showing principles of Carding, Drawing and combing.
Suggested Special Instructional Strategies:
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Suggested Micro-Projects
Only one micro-project is planned to be undertaken by a student that needs to be assigned to him/her in the beginning of the semester. In the first four semesters, the micro-project are group-based. However, in the fifth and sixth semesters, it should be preferably be individually undertaken to build up the skill and confidence in every student to become problem solver so that s/he contributes to the projects of the industry. In special situations where groups have to be formed for micro-projects, the number of students in the group should not exceed three.
The micro-project could be industry application based, internet-based, workshopbased, laboratory-based or field-based. Each micro-project should encompass two or more COs which are in fact, an integration of PrOs, UOs and ADOs. Each student will have to maintain dated work diary consisting of individual contribution in the project work and give a seminar presentation of it before submission. The total duration of the micro-project should not be less than 16 (sixteen) student engagement hours during the course. The student ought to submit micro-project by the end of the semester to develop the industry oriented COs.
A suggestive list of micro-projects are given here. Similar micro-projects could be added by the concerned faculty:
- Carding Process:
- Collect different card wires and draw diagrams of the same.
- Prepare chart for wire point specification of licker-in, cylinder, doffer and flat tops of different manufacturers with trade name.
- Collect wastes at different parts and enlist type of waste and calculate its percentage
- Refer monograph published by different research association and prepare chart for specification of waste extracted at different for different quality of cotton.
- Carding quality and maintenance.Draw line diagram of various autoleveler measuring devices and Enlist merits and demerits of each system.
- Drafting process and draw frame machine:Draw line diagram of various drafting systems and Enlist merits and demerits of each system.
- Monitoring and Auto-levelers of Draw frame process.Collect photographs and specification of various auto leveler and Prepare booklet..
- Comber lap preparation:Collect photographs and specification of various combing preparatory machines and Prepare booklet.
- Combing Process:Prepare index wheel timing in tabular form and draw a line diagram of combing cycle.
Suggested Learning Resources:
- A Practical guide to Opening and Carding, Vol.- Klein, W. The 1 extile Institute.Manchenstar,1987 ISBN: 0900739924
- A Practical guide to Combing and Drawing, Klein, W. The Textile lnstitute,Manchenstar,l 987 ISBN: 0900739932
- Spinning Lord. P.R Wood head publications. India, 1970, ISBN: 185573 9771
- Spinning of Manmade and Blends on cotton spinning Salhotra, K.R The Textile Association of India, Ahmedabad, 2016 , ISBN: 18932800X
- Spun Yarn Technology Eric.Oxtoby Butterworths (Publishers) Limited, 1983, ISBN:0408014644
Software/Learning Websites:
For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier..
For detail Syllabus of all other subjects of Textile Manufacturers, I – scheme do visit Textile Manufacturers 3rd Sem Syllabus for I – scheme.
For all Textile Manufacturers results, visit MSBTE Textile Manufacturers all semester results direct links.