Automatic Weaving 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 5th Sem I – Scheme MSBTE, do visit Diploma in Textile Manufacturers (TX) Syllabus for 5th Sem I – Scheme MSBTE Subjects. The detailed Syllabus for automatic weaving 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 automatic weaving and different shedding mechanisms to manufacture woven fabric.
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 dobby mechanism to develop fancy structures.
- Apply the principles of modern dobbies to produce different design of fabric.
- Use jacquard mechanism to develop attractive designs of fabric.
- Use Box motions to produce weft patterned fabrics.
- Use automatic machine to manufacture woven fabric.
Suggested 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
- Dobby mechanism with 18 heald shaft
- Drop box mechanism without card saving
- Cam dobby with 24 heald shaft
- Double lift Jacquard mechanism with 2 cylinders
- Mechanical rotary dobby with 12mm pitch
- Rutic/ Cimmico Automatic loom with 190 cm
Unit 1
Dobby Shedding
Total Teaching Hours – 06
Distribution of Theory Marks
R Level – 02
U Level – 04
A Level – 04
Total Marks – 10
Unit Outcomes (UOs) (in cognitive domain)
- Describe the limitation of the given types of shedding mechanism.
- Explain the working of the given type of dobbies with relevant sketch.
- Mark the method of pegging for the given types dobbies.
- Mark the method of pegging for the given types of design.
- Describe with sketches the working of the given type of cross border dobbies.
- Distinguish between principles of the given two dobbies.
Topics and Sub-topics
- Limitation of tappet shedding.
- Types of Dobbies, Study of construction and working of double lift, single jack and double-lift, double jack dobby.
- Method of pegging for right and left hand dobby.
- Heald reversing motion on looms with Dobby, Cross-border Dobby -necessity, construction and working of two cylinder mechanism, cylinder selection mechanism.
- Cam Dobby – construction and working of negative cam dobby advantages.
Unit 2
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Unit 3
Jacquard Shedding
Total Teaching Hours – 18
Distribution of Theory Marks
R Level – 02
U Level – 06
A Level – 10
Total Marks – 18
Unit Outcomes (UOs) (in cognitive domain)
- Explain with ketches the working of the given type of jacquard mechanism.
- Distinguish between the given two types of jacquards.
- Explain the merits and demerits of the given types of jacquard.
- Describe the principle of the given type of harness tie.
Topics and Sub-topics
- Jacquard shedding – object, types of Jacquards, Single Lift Single cylinder Jacquard, double Lift single cylinder, double lift Double cylinder jacquards, and its features,
- Cross-border Jacquards – object, construction and working of cross border Jacquard.
- Figuring capacity of jacquard, Harness building and Harness ties, casting out.
- Methods of transferring design on graph paper from motif, selection of point paper counts for it.
- Electronic Jacquards – Features of electronic jacquards, its advantages over mechanical jacquard, construction and working of electronic jacquards.
Unit 4
Box Motions
Total Teaching Hours – 12
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 04
Total Marks – 08
Unit Outcomes (UOs) (in cognitive domain)
- Explain the need of box motions for the given type of weft pattern.
- Explain with sketches the working of the given type of drop box motion.
- Prepare card chain for the given type of weft pattern.
- Explain the principle of weft mixing.
Topics and Sub-topics
- Object and types of Drop Box motions
- Construction and working of Cow-burn multiple box motions
- Different types of cards used for drop box motion, card saving device, preparation of card chain .
- Pick and Pick, Pick at will mechanism, weft mixing with drop box.
Unit 5
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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:
- Visit any weaving unit equipped with multiple drop box motion mechanism to know the working of drop box motions.
- Read the safety precautions to operate the modern machines equipped with dobbies and jacquard.
- Do internet survey to study the developments in shedding mechanism.
- Guide students in undertaking micro-projects.
- Library/Internet survey of Automatic Weaving.
- Prepare power point presentation or animation for understanding different mechanical let off motions.
Suggested Special Instructional Strategies:
These are sample strategies, which the teacher can use to accelerate the attainment of the various outcomes in this course:
- Massive open online courses (MOOCs) may be used to teach various topics/sub topics.
- L in item No. 4 does not mean only the traditional lecture method, but different types of teaching methods and media that are to be employed to develop the outcomes.
- About 15-20% of the topics/sub-topics which is relatively simpler or descriptive in nature is to be given to the students for self-directed learning and assess the development of the COs through classroom presentations (see implementation guideline for details).
- With respect to item No. 10, teachers need to ensure to create opportunities and provisions for co-curricular activities.
- Guide students in undertaking micro-projects.
- Use proper equivalent analogy to explain different concepts.
- Use Flash/Animations to explain various principles of shedding and Working of various mechanism of automatic loom.
Suggested Micro-Projects
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Suggested Learning Resources:
- Principal of weaving Marks R. & A.T.C. Robinson Textile Institute, 1976 ,ISBN 9780900739255
- Automatic Weaving Aitken J.B. Columbine Press (Publishers) Ltd., 1965, ISBN 0900298162
- Modern preparation and weaving machinery Ormerod,A. Butterworth, (Publishers) Limited, 1983 ,ISBN 0408012129
- Weaving: machines, mechanisms, management Talukdar M K ; P K Sriramulu; D B Ajgaonkar Mahajan Publishers Pvt Ltd Ahmedabad, 1998,ISBN 8185401160
- Fancy Weaving Motions Aswani K.T. Mahajans Publishers, Ahmedabad
Software/Learning Websites:
- http://nptel.ac.in/courses/116102005/34
- http://nptel.ac.in/courses/116102005/35
- http://www.laxmishuttlelesslooms.com/automatic-pirn-change-weaving-loom
- https://textilelearner.blogspot.in/2012/02/study-on-positive-let
For detail Syllabus of all other subjects of Textile Manufacturers, I – scheme do visit Textile Manufacturers 5th Sem Syllabus for I – scheme.
For all Textile Manufacturers results, visit MSBTE Textile Manufacturers all semester results direct links.