Yarn Formation III detailed syllabus for Textile Technology (Textile Tech) for 2015 revision curriculum has been taken from the SITTTRs official website and presented for the Textile Tech students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.
For Textile Technology 5th Sem scheme and its subjects, do visit Textile Tech 5th Sem 2015 revision scheme. The detailed syllabus of yarn formation iii is as follows.
Course Outcomes:
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SPECIFIC OUTCOME
MODULE I MODERN DEVELOPMENTS IN RING SPINNING
- Understand various developments in ring frames
- Developments in drafting region
- Explain the features of INA-V drafting system
- Developments in twisting region
- Define Traveller number
- Design features of Energy saving spindle
- Variable speed spinning
- List Features of auto doffing mechanism
- Advantages of long length frames
- explain the super high drafting system
- Know the features of compact spinning
- State the Importance of compacting element to ring frame
- Explain the elite compacting element
- State the function of different parts in elite compact spinning.
- Explain the Advantages of compact spun yarns
MODULE II ADVANCED YARN MANUFACTURE
- Know the modern techniques of yarn formation by rotor
- List the different advanced yarn manufacturing systems
- State Principle of Rotor spinning.
- Explain the passage of material through a rotor spinning machine
- State the functions and detailed study of various parts
- Explain the effect of opening roller speed on yarn quality
- List the types of rotor grooves
- Describe effect of rotor speed on yarn quality
- State the Relation between rotor speed, rotor diameter and yarn draw-off tension
- List the advantages and limitations of open end spinning over ring spinning
- Understand the features of friction, airjet and siro spinning
- List the Principle of friction spinning
- Explain the material passage and yarn formation in DREF – I friction spinner
- Describe the material passage and yarn formation in DREF -II friction spinner
- List the advantages of DREF – II over DREF – I
- State the Principle of air jet spinning
- Describe the yarn formation in Murata air jet spinner
- Explain the working of Siro spinning
- Differentiate between Siro spinning and Ring spinning
- list the advantages of Siro spinning
MODULE III DOUBLING, FANCY YARN AND REELING
- Understand different yarn doubling techniques, ring doubler & TFO
- State the objectives of doubling
- List the types of doubled yarn
- State the Twist and twist direction effects
- Explain the dry and wet doubling
- Compare dry and wet doubling
- Explain various Styles of doubling
- List the types of doubling machine
- Explain the working of Ring doubler
- Describe the working of Two for one twister-TFO
- Explain the working of Three for one twister
- Describe the Manufacture of Sewing threads and Tyre cord
- Understand the features of fancy doubling & reeling
- List the types of fancy yarn
- Explain the working of a fancy doublers
- State the objectives of yarn conditioning
- State the objectives of reeling
- List the Types of reeling
- Explain the working of plain reel and cross reel
- State the Objectives of bundling and baling
MODULE IV CALCULATIONS
- Understand the draft, twist, production and efficiency of Ring frame.
- Draw the gearing diagram of Ring frame
- Determine Ring frame Drafts
- Determine the draft and draft constant
- Estimate the twist and twist constant of Ring frame
- Find the Production and efficiency of the ring frame
- State the Definition of angle of yarn pull
- Estimate the Angle of yarn pull
- Find the Traveller speed
- Know production of rotor, ring doubler & TFO
- Determine draft and twist in rotor spinning
- Find the Production and efficiency of the rotor spinning
- Estimate production and efficiency of Ring doublers
- Determine the production and efficiency of Two for One twister
MODULE I
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MODULE II
ADVANCED YARN MANUFACTURE Different advanced yarn manufacturing systems -Rotor – Friction – Air Jet & Siro Spinning. Rotor Spinning Principle of Rotor spinning – yarn formation in rotor spinning machine – feed part – opening roller -transport channel – rotor – navel – take up mechanism – opening roller speed and yarn quality – types of rotor grooves -S groove , V groove, U groove , T groove, G groove – yarn characteristics of different types of rotors – rotor speed and yarn quality- rotor diameter and rotor speed – fibre length and rotor diameter- Relation between rotor speed, rotor diameter and yarn draw-off tension – advantages and limitations of open end spinning over ring spinning. Friction, airjet and siro spinning Principle of friction spinning – DREF – I friction spinner – DREF -II friction spinner- Principle of air jet spinning – Murata air jet spinner – Fasciated yarn – Siro spinning – compare Siro spinning and Ring spinning – compare Siro spinning and ring doubler .
MODULE III
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MODULE IV
CALCULATION Ring frame – draft, twist, production and efficiency calculation. Gearing diagram of Ring frame- draft- break draft constant and main draft constant – twist multiplier (TM) – twist and twist constant – TM for hosiery , medium and high twist yarns – Production and efficiency of the ring frame , spindle point production – Yarn realization – angle of yarn pull – relation between angle of yarn pull ,bobbin diameter and ring diameter -traveller speed – relation between ring diameter , spindle speed and traveller speed – maximum practical traveller speed. Production of rotor, ring doubler& TFO Draft and twist in rotor – production -efficiency – production of Ring doubler, TPI, resultant count , average count – production and efficiency of Two for One twister
Reference Books:
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 detailed syllabus of all other subjects of Textile Technology, 2015 revision curriculum do visit Textile Tech 5th Sem subject syllabuses for 2015 revision.
To see the syllabus of all other branches of diploma 2015 revision curriculum do visit all branches of SITTTR diploma 2015 revision.