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 2021-2022 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

Resources

Notes



Course Learning Outcomes

Order Course Learning Outcomes
LO01 Learns basic principles of spinning and its production calculations
LO02 Learns necessary parameters for the quality yarn production and reaches information resources about the quality of yarn
LO03 Acquires information about yarn types, properties and their locations


Relation with Program Learning Outcome

Order Type Program Learning Outcomes Level
PLO01 - Has sufficient background in the fields of Mathematics, Science and Textile Engineering 4
PLO02 - Uses the knowledge obtained from the basic sciences and engineering in the field of textile engineering 2
PLO03 - Does process analysis, Identifies problems, interprets and evaluates data in the field of textile engineering 2
PLO04 - Selects and uses modern techniques and tools for engineering applications 2
PLO05 - Has the skills of designing experiments, data collection, cognitive analysis and interpretation of the results 1
PLO06 - Works effectively both individually and as a team member and takes responsibility 1
PLO07 - Searches literature, has access to information, uses databases and other sources of information 4
PLO08 - Recognizes the need of lifelong learning; follows developments in science and technology and renews self continuosly 4
PLO09 - Has effective oral and written communication skills. 1
PLO10 - Follows developments in the field in a foreign language, has good communication skills with colleagues. 1
PLO11 - Uses information and communication technologies and softwares at a required level 1
PLO12 - Defines learning requirements in scientific, social, cultural and artistic areas and improves himself/herself accordingly. 1
PLO13 - Has the professional and ethical responsibility. 1
PLO14 - Has the necessary awareness on the fields of occupational health and safety, legal side of engineering applications and environmental health. 2
PLO15 - Has required competence in project management, entrepreneurship and innovation. 1
PLO16 - An ability to identify, formulate, and solve complex engineering problems by selecting appropriate analysis and modeling methods. 2


Week Plan

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


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