TLZ211 Yarn technology I

3 ECTS - 2-1 Duration (T+A)- 3. Semester- 2.5 National Credit

Information

Unit FACULTY OF ENGINEERING
TEXTILE ENGINEERING PR.
Code TLZ211
Name Yarn technology I
Term 2025-2026 Academic Year
Semester 3. Semester
Duration (T+A) 2-1 (T-A) (17 Week)
ECTS 3 ECTS
National Credit 2.5 National Credit
Teaching Language Türkçe
Level Lisans Dersi
Type Normal
Label C Compulsory
Mode of study Yüz Yüze Öğretim
Catalog Information Coordinator Prof. Dr. PINAR DURU BAYKAL
Course Instructor Prof. Dr. PINAR DURU BAYKAL (Güz) (A Group) (Ins. in Charge)


Course Goal / Objective

This course aims to teach the basic principles of spinning, fibre properties and types of yarn, calculations of drafting, dubbing, twist, number, production.

Course Content

The course covers the following topics: Introduction and Definitions, Fiber-Yarn Interaction, Yarn Types, Yarn Count Systems, Yarn Parameters; Fineness, Density, Number of Fiber at Yarn Cross Section, Technological Correlations; Drawing, Doubling, Twist and Its Correlation, Production Calculations, Yarn Structure and Properties

Course Precondition

none

Resources

1-UYGUN NERGİS, B., İplik Teknolojisine Giriş, İTÜ İnşaat Fakültesi Matbaası, 2008, İstanbul.  2-DEMİR, A., GÜNAY, M., 1999. Tekstil Teknolojisi. Şan Ofset, İstanbul, 368 s. 3-EBERLE, H., HERMELING, H., HORNBERGER, M., MENZER, D., RING, W., Clothing Technology from fiber to fashion. Verlag Europa-Lehrmittel, Nourney, Vollmer Gmbh & Co., 1996. 4-Lecture Notes and related articles

Notes

Lecture notes and reference books


Course Learning Outcomes

Order Course Learning Outcomes
LO01 Learns basic principles of spinning
LO02 Learns necessary parameters for the quality yarn production and gains the ability to access information sources about yarn quality.
LO03 Have knowledge about yarn types, properties and usage areas.
LO04 Learns the basic calculations of yarn spinning.


Relation with Program Learning Outcome

Order Type Program Learning Outcomes Level
PLO01 Bilgi - Kuramsal, Olgusal Sufficient knowledge in mathematics, natural sciences, and subjects specific to the Textile Engineering discipline; the ability to apply theoretical and practical knowledge in these areas to solve complex engineering problems. 4
PLO02 Beceriler - Bilişsel, Uygulamalı The ability to identify, formulate, and solve complex engineering problems in the field of Textile Engineering; and the ability to select and apply appropriate analysis and modeling methods for this purpose. 3
PLO03 Beceriler - Bilişsel, Uygulamalı In Textile Engineering, the ability to design a complex system, process, device, or product under realistic constraints and conditions to meet specific requirements; the ability to apply modern design methods for this purpose. 2
PLO04 Beceriler - Bilişsel, Uygulamalı The ability to select and use modern techniques and tools necessary for the analysis and solution of complex problems encountered in Textile Engineering applications; the ability to effectively use information technologies. 2
PLO05 Beceriler - Bilişsel, Uygulamalı In the field of Textile Engineering, the ability to design experiments, conduct experiments, collect data, analyze and interpret results for the investigation of complex engineering problems or discipline-specific research topics.
PLO06 Beceriler - Bilişsel, Uygulamalı Ability to work effectively in interdisciplinary (Textile Engineering) and multidisciplinary teams; independent work skills.
PLO07 Yetkinlikler - İletişim ve Sosyal Yetkinlik Effective verbal and written communication skills; knowledge of at least one foreign language; ability to write and understand written reports effectively in the field of Textile Engineering, prepare design and production reports, make effective presentations, and give and receive clear and understandable instructions. 2
PLO08 Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği Awareness of the necessity of lifelong learning; the ability to access information in the field of Textile Engineering, to follow developments in science and technology, and to continuously update oneself. 1
PLO09 Yetkinlikler - Alana Özgü Yetkinlik Adherence to ethical principles, knowledge of professional and ethical responsibilities in the field of Textile Engineering, and standards used in engineering practices. 2
PLO10 Yetkinlikler - Öğrenme Yetkinliği In the field of Textile Engineering, knowledge of business practices such as project management, risk management, and change management; awareness of entrepreneurship and innovation; and knowledge of sustainable development.
PLO11 Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği Knowledge about the universal and societal impacts of Textile Engineering applications on health, environment, and safety, as well as the contemporary challenges facing the field of Textile Engineering; awareness of the legal consequences of Textile Engineering solutions.


Week Plan

Week Topic Preparation Methods
1 The history of yarn spinning, the classification of yarns, information about the types of yarns Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
2 Fiber properties that are important in spinning and their effects on spinning. Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma
3 Yarn numbering systems, transformation between numbers, calculation of number for folded yarns,sample problems related to the subject. Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma
4 Yarn production stages; opening, cleaning, blending, drawing, dubbing, twisting principles Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
5 The theory of drawing process, drawing equation,sample applications related to drawing calculation Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
6 Dubbing (folding) equation, the implementation of drawing and folding together, sample problems Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
7 The draw frame blend, the number after the mixture, calculations of drawing and mixing ratio calculations Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma
8 Mid-Term Exam Course notes and Reference books Ölçme Yöntemleri:
Yazılı Sınav
9 Twisting process and theory, equation of twist,the sample applications related to twisting calculation Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
10 Roving process and twisting Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
11 Spinning machines and twisting Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Gösteri
12 Calculation of production for spinning machines, sample applications Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma
13 Yarn irregularity, definition, the reasons of unevenness Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma
14 Limit unevenness, unevenness index, The relationship between folding and irregularity Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma
15 Revision of course notes Course notes and Reference books Öğretim Yöntemleri:
Anlatım, Tartışma, Alıştırma ve Uygulama
16 Term Exams Course notes and Reference books Ölçme Yöntemleri:
Yazılı Sınav
17 Term Exams Course notes and Reference books Ölçme Yöntemleri:
Yazılı Sınav


Assessment (Exam) Methods and Criteria

Assessment Type Midterm / Year Impact End of Term / End of Year Impact
1. Midterm Exam 100 40
General Assessment
Midterm / Year Total 100 40
1. Final Exam - 60
Grand Total - 100


Student Workload - ECTS

Works Number Time (Hour) Workload (Hour)
Course Related Works
Class Time (Exam weeks are excluded) 14 3 42
Out of Class Study (Preliminary Work, Practice) 14 2 28
Assesment Related Works
Homeworks, Projects, Others 1 2 2
Mid-term Exams (Written, Oral, etc.) 1 5 5
Final Exam 1 10 10
Total Workload (Hour) 87
Total Workload / 25 (h) 3,48
ECTS 3 ECTS

Update Time: 05.05.2025 09:37