18TT-302C: Yarn Preparatory Syllabus for Textile Technology 3rd Sem C18 Curriculum TSSBTET

Yarn Preparatory detailed Syllabus for Textile Technology (DTT), C18 curriculum has been taken from the TSSBTET official website and presented for the diploma students. For Course Code, Course Name, Lectures, Tutorial, Practical/Drawing, Internal Marks, Max Marks, Total Marks, Min Marks and other information, do visit full semester subjects post given below.

For all other Diploma in Textile Technology (DTT) Syllabus for 3rd Sem C18 Curriculum TSSBTET, do visit Diploma in Textile Technology (DTT) Syllabus for 3rd Sem C18 Curriculum TSSBTET Subjects. The detailed Syllabus for yarn preparatory is as follows.

Prerequisites:

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Course Outcome:

At the end of the course, student will have the ability to

Describe the process of bale opening and mixing of cotton and recognise the respective machines
Identify opening and cleaning machines and explain the process
Demonstrate the functions of various ancillary equipment
Identify the parts and explain the functions of carding machine
Identify the parts and explain the functions of drawing and combing machine
Outline the functions of various parts of simplex machine

Unit 1. Blow Room

Classify cotton fibres based on staple length, fineness, trash – Strength and uniformity – Define fibre quality Index – Varieties of cotton grown in different states of India – Various trash contents and contamination in cotton – objectives / functions of blow room – Sequence of Blow room process sections / machinery – Components of blow room machinery – General sequence of machines in blow room installation – Objects of blending – Working principle of Mixing hopper bale opener , Automatic bale opening machine -Multi mixer (MPM).

Unit 2. Opening and Cleaning Machines

Unit 3. Ancillary Equipment in Blow Room

Ancillary equipments in blow room – gravity traps and metal extractors – types of fire protection systems in blow room- working principle of Contamination sorter, De-dusting machine – types of Waste disposal systems in a blow room – Pneumatic transport system using Cylinder cages – working principle of Air separators- function and importance of two way distributer and bypass arrangement -regulation and control of material flow -method of transport of material by chute feed system

Unit 4. Carding

State the Objects of Carding – Types of wire point arrangements and its functions on a card Passage of material on a flat revolving carding machine – licker in region, cylinder region of a carding machine- theory of carding action between the cylinder and flats – doffing region of card -factors that help transfer of fibres from one region other region – Coiler mechanism of a carding machine-Design parameters and construction of metallic wire clothing – tandem carding process -slow speed mechanism and stop motions on a card -developments in carding -setting points of carding machine -objects of stripping and grinding

Unit 5. Drawing and Combing

Unit 6. Simplex

Objects /functions of Fly frame -Passage of material on a simplex frame with line diagram -main operations / Functions of Fly frame – the parts and functions of High- draft drafting arrangement -advantages of apron drafting on a fly frame – functions of Simplex machine referring to main parts -principle of Imparting twist on fly frame – process of Winding the bobbin on a simplex machine -principle of cone drum drive transmission – working mechanism of Builder motion in the following aspects – Monitoring devices on a Simplex machine -Automation in doffing and transport of bobbins to the ring frame – Mention the defects in speed frame process

Specific Learning Outcomes

Understand the Process of Bale Opening and Mixing

Classify cotton fibres based on staple length with count range
Classify cotton fibres based on fineness with count range
Classify cotton fibres based on trash for with count range
Classify cotton fibres based on strength and uniformity
Define fibre quality Index
List the varieties of cotton grown in different states of India
Tabulate Indian varieties cotton with their- length, fineness and count range
List various trash contents and contamination in cotton
State the objectives / functions of blow room
Mention the sequence of Blow room process sections / machinery
List the components of blow room machinery
Write general sequence of machines in blow room installation
State the Objects of blending
Explain the working principle of Mixing hopper bale opener
Explain the working of Automatic bale opening machine
Explain the method of mixing cotton in Multi mixer (MPM)

Understand the Process of Opening and Cleaning

Explain different principles and means of mechanical cleaning of cotton
Explain different types of opening devices used in blow room with simple sketches
Explain the construction, working principles of following cleaning machines

Step cleaner
Axi flow Cleaner (Dual roller cleaner)
Rieter Uni clean (Mono cylinder cleaner)
ERM Cleaner
Kirshner beater
Cleanomat CVT/ CLC cleaner
Air flow cleaner

List out the factors influencing intensity of opening and cleaning
Discuss various considerations in determining degree of opening and cleaning

Understand the Functions of Ancillary Equipment in Blow Room

List the ancillary equipment in blow room
Explain about installation of gravity traps and metal extractors in blow room
Mention different types of fire protection systems in blow room
Explain the working principle of Contamination sorter
Explain the working principle of Dedusting machine Dustex
Mention the types of Waste disposal systems in a blow room
Explain Pneumatic transport system using Cylinder cages
Explain the working principle of Air separators
State the function and importance of two way distributer
State the function and importance of bypass arrangement
Explain the process of regulation and control of material flow
Explain the method of transport of material by chute feed system

Understand the Process of Carding

State the Objects of Carding
Mention the types of wire point arrangements and its functions on a card
Describe the Passage of material on a flat revolving carding machine
State the Objects of licker in region
Explain the parts and functions of licker in region of a carding machine
State the objects of cylinder region
Explain parts and functions of cylinder region of a carding machine
Explain the theory of carding action between the cylinder and flats
Objects of doffer region
Explain parts and functions of doffing region of card
Write the factors that help transfer of fibres from one region other region
Explain the Coiler mechanism of a carding machine
Describe the design parameters and construction of metallic wire clothing
Explain about tandem carding process
Explain the importance slow speed mechanism and stop motions on a card
Explain the developments in carding
Draw the line diagram of carding machine and show the setting points.
State the objects of stripping and grinding

Understand Process of Drawing and Combing

State the objects and basic functions of Draw frame
Describe the passage of material and functions of a draw frame
Explain the principle of roller drafting
Define the terms – draft, break draft, main draft and total draft
Explain the principal parts of roller drafting system
Write the types of top roller weighting system
Explain different types of roller drafting systems
Explain the functioning of Auto leveller on a Draw frame
Explain the features of modern draw frame.
Write the Objects and importance of combing
State the advantages of combing process / combed yarns
Explain the process of lap doubling ( Sliver lap followed by ribbon lap)
Explain the process of Sliver doubling ( Super lap / Unilap)
Compare the lap doubling and sliver doubling process
Explain the passage of material through a modern comber
Explain the Sequence of operations in a rectilinear comber
List out the Parameters influencing the combing operation
Mention the types of Combing based on Noil %
State the features of Modern comber

Understand Process On a Simplex Machine

List the objects /functions of Fly frame
Explain the Passage of material in a simplex frame with line diagram.
Explain the main operations / Functions of Fly frame
Explain the parts and functions of High- draft drafting arrangement
State the advantages of apron drafting on a fly frame
Explain the functions of major parts of Simplex machine
State the principle of Imparting twist on fly frame
Explain the process of Winding the bobbin on a simplex machine in the following aspects

Speed relations
Winding principle
Package build
Bobbin drive

Explain the principle of cone drum drive transmission
Explain the working mechanism of Builder motion in following aspects

Shifting of cone belt
Reversing the movement of bobbin rail
Shortening of lift

Explain the Monitoring devices on a Simplex machine
Explain the Automation in doffing and transport of bobbins to the ring frame
Mention the defects in speed frame process

Suggested Student Activities

Recommended Books

Manual of Textile Technology : Short staple spinning series Vol 1, 3, 4 – W.Klein
Elements of Blow room, Drawing and Combing – Dr. A.R. Khare
Spun yarn Technology Vol-I, II and III – Venkatasubramani
Spun Yarn Technology – Eric Oxtoby

Suggested e-Learning References

www.nptel.ac.in
www.textilelearner.blogspot.com
https://www.onlinetextileacademy.com
https://www.slideshare.net
https://textilechapter.blogspot.com
https://www.onlinetextileacademy.com

For detail Syllabus of all other subjects of Textile Technology, C18 curriculum do visit Diploma In Textile Technology 3rd Sem Syllabus for C18 curriculum.

For all Textile Technology results, visit TSSBTET DTT all semester results direct links.

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