COURSE UNIT TITLE

: MODERN YARN SPINNING METHODS

DEGREE PROGRAMMES

Description of Individual Course Units

Course Unit Code Course Unit Title Type Of Course D U L ECTS
TKS 4052 MODERN YARN SPINNING METHODS ELECTIVE 2 0 0 3

Offered By

Textile Engineering

Level of Course Unit

First Cycle Programmes (Bachelor's Degree)

Course Coordinator

INSTRUCTOR MUSA KILIÇ

Offered to

Textile Engineering

Course Objective

It is aimed to give detailed knowledge about new spinning systems such as air-jet spinning, friction spinning, wrap spinning, self-twist spinning etc. It is also aimed to give detailed knowledge on the comparison of the properties of yarns produced by new spinning systems.

Learning Outcomes of the Course Unit

1   Classifying the new spinning technologies
2   Learning the technology of spinning for each modern system such as air-jet, friction etc.
3   Explaining the structure of yarns spun in new systems
4   Having knowledge about limitations of the systems
5   Comparing the properties of yarns produced by new systems with traditional yarns

Mode of Delivery

Face -to- Face

Prerequisites and Co-requisites

None

Recomended Optional Programme Components

None

Course Contents

Week Subject Description
1 1. ALTERNATIVE SPINNING PROCESSES 1.1. Introduction 1.2. Summary and classification of new spinning processes 1.3. Possibilities of use of the various spinning processes
2 2. VARIOUS SPINNING METHODS - I 2.1. OPEN-END SPINNING PROCESSES 2.1.1. The basic principle of yarn formation 2.1.2. Electrostatic spinning (Operating principle, specification, ...) 2.1.3. Air-vortex spinning (Operating principle, specification, ...)
3 2. VARIOUS SPINNING METHODS - II 2.1.4. Friction Spinning 2.1.4.1. Operating principle 2.1.4.2. Classification 2.1.4.3. Technological interrelationships 2.1.4.4. Advantages and disadvantages 2.1.4.5. Dref-2000 process 2.1.4.6. Specification of the Dref-2000 process 2.1.4.7. The Masterspinner of Platt Saco Lowell 2.1.4.8. Specification of Masterspinner 2.1.5. Discspinner of the Manchester Uni
4 2. VARIOUS SPINNING METHODS - III 2.2. TWIST SPINNING 2.3. RUBBING (SELF-TWIST) TECHNIQUES 2.3.1. Technological interrelationships 2.3.2. Repco spinning (Self-twist spinning of Platt Saco Lowell) 2.3.3. Specification of the Repco spinner
5 2. VARIOUS SPINNING METHODS - IV 2.4. WRAP SPINNING 2.4.1. Operating principle 2.4.2. ParafiL system of Suessen 2.4.2.1. Operating principle 2.4.2.2. Specification 2.4.3. Technological and economic interrelationships
6 2. VARIOUS SPINNING METHODS - V 2.5. ADHESIVE METHODS 2.5.1. Summary 2.5.2. The Twilo process 2.5.2.1. Operating principle 2.5.2.2. Technological data 2.5.2.3. Specification 2.5.3. Bobtex process 2.5.3.1. Operating principle 2.5.3.2. Specification
7 1st Midterm
8 2. VARIOUS SPINNING METHODS - VI 2.6. THE FALSE-TWIST PROCESS 2.6.1. The false-twist principle 2.6.1.1. Generation of false-twist 2.6.1.2. Forming a yarn with the aid of false-twist 2.6.2. Two nozzle air-jet spinning 2.6.2.1. Operating principle 2.6.2.2. Raw material requirements
9 2. VARIOUS SPINNING METHODS - VII 2.6.3. Dref-3000 process 2.6.3.1. Operating principle 2.6.3.2. Use of raw material 2.6.3.3. Specification 2.6.3.4. Industry dimension of Dref-3000
10 2. VARIOUS SPINNING METHODS - VIII 2.6.4. PLYFiL spinning process 2.6.4.1. Improvement in the market prospects for plied yarn 2.6.4.2. Specification of machines for short staples
11 2. VARIOUS SPINNING METHODS - IX 2.7. AIR-JET SPINNING 2.7.1. The development 2.7.2. Spinning principle 2.7.3. Raw material requirements 2.7.4. Drafting unit 2.7.5. Nozzle 2.7.6. Wrapping 2.7.7. Automation
12 2. VARIOUS SPINNING METHODS - X 2.7.8. Yarn structure 2.7.9. Yarn properties 2.7.9.1. Yarn strength 2.7.9.2. Yarn unevenness, thin and thick places 2.7.9.3. Nep 2.7.9.4. Hairiness 2.7.9.5. Yarn friction
13 2nd Midterm
14 2. VARIOUS SPINNING METHODS - XI 2.7.10. Further processes and end-products 2.7.11. Economics 2.7.12. Market effect 2.7.13. Comparison of the air-jet spinning systems 3. COMPARISON OF THE PROPERTIES OF YARNS PRODUCED BY MODERN SPINNING SYSTEMS

Recomended or Required Reading

1. W. Klein, New Spinning Systems Short Staple Spinning Series Volume 5, The Textile Institute, 1993.
2. Carl A. Lawrence, Fundamentals of Spun Yarn Technology, CRC Press, 2003
3. Peter R. Lord, Handbook of Yarn Production, Woodhead Publishing, 2003
4. E. Carissoni et al., Reference Books of Textile Technologies: Spinning, ACIMIT, 2002

Planned Learning Activities and Teaching Methods

Presentation

Assessment Methods

SORTING NUMBER SHORT CODE LONG CODE FORMULA
1 MTE 1 MIDTERM EXAM 1
2 MTE 2 MIDTERM EXAM 2
3 FIN FINAL EXAM
4 FCG FINAL COURSE GRADE MTE 1 * 0.25 + MTE 2 * 0.25 + FIN * 0.50
5 RST RESIT
6 FCG FINAL COURSE GRADE MTE 1 * 0.25 + MTE 2 * 0.25 + RST * 0.50

Further Notes About Assessment Methods

None

Assessment Criteria

To get success from the exams

Language of Instruction

Turkish

Course Policies and Rules

Attendance to course

Contact Details for the Lecturer(s)

Dr. Musa KILIÇ
Dokuz Eylül University Department of Textile Engineering
Tınaztepe Campus 35397 Buca-IZMIR
Tel : 0 232 301 77 14
E-Mail : musa.kilic@deu.edu.tr
Web : http://people.deu.edu.tr/musa.kilic

Office Hours

Wednesday (13:00-17:00)

Work Placement(s)

None

Workload Calculation

Activities Number Time (hours) Total Work Load (hours)
Lectures 12 2 24
Preparation for midterm exam 2 5 10
Preparation for final exam 1 7 7
Preparations before/after weekly lectures 12 2 24
Final 1 2 2
Midterm 2 2 4
TOTAL WORKLOAD (hours) 71

Contribution of Learning Outcomes to Programme Outcomes

PO/LOPO.1PO.2PO.3PO.4PO.5PO.6PO.7PO.8PO.9PO.10PO.11
LO.13345113222
LO.24445113222
LO.33445113223
LO.44445114222
LO.54445113333

CONTACT INFORMATION
Dokuz Eylül Üniversitesi Cumhuriyet Bulvarı No: 144 35210 Alsancak / İZMİR
Phone: +90(232) 412 12 12 - Fax: +90 (232) 464 81 35

Copyright 2012 DEÜ. BİD

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