Description of Individual Course Units
Course Unit CodeCourse Unit TitleType of Course UnitYear of StudySemesterNumber of ECTS Credits
GYT2013YARN TECHNOLOGYElective233
Level of Course Unit
Short Cycle
Objectives of the Course
This lecture aims to give information about cotton and wool yarn making processes, yarn systems, yarn structures, basic terminology of yarn making, yarn production processes.
Name of Lecturer(s)
Yrd. Doç. Dr. Nesrin Karaduman
Learning Outcomes
1Knows cotton and wool yarns
2Can distinguish staple and flament yarn
3Knows the yarn production line
4Knows the concept of twist
5Can calculate staple yarn number counts
Mode of Delivery
Formal Education
Prerequisites and co-requisities
None
Recommended Optional Programme Components
None
Course Contents
Definition of yarn Yarn production methods Cotton yarn production Ring machine Process flow Mixture yarns Blowroom Carding Carding machine calculations Carding machine functions Parts of carding machine and its working principle Draw frame Functions of draw frame Roving machine Ring and open-end machines Yarn numbering systems Classification of yarn numbering systems Twist Drawing, folding and twist relations.
Weekly Detailed Course Contents
WeekTheoreticalPracticeLaboratory
1Definition of yarn Yarn production methods
2Cotton yarn production
3Ring machine
4Process flow
5Mixture yarns
6Blowroom
7Midterm exam
8Carding machine calculations, Carding machine functions, Parts of carding machine and its working principle.
9Draw frame, functions of draw frame
10Roving machine
11Ring and open-end machines
12Yarn numbering systems, classification of yarn numbering systems
13Twist
14Drawing, folding and twist relations.
15Final exam
Recommended or Required Reading
1) Nazilli, G.-Alakuş, S.Pamuk İplikçiliği (2003) Ege Üniversitesi,İzmir. 2) Çarkım, Seher; Pamuk İpliği. 3) Bursa Sagem Yayını; Yün İplik Teknolojisi 4. T.K.A.M. Yayını; Genel Tekstil.
Planned Learning Activities and Teaching Methods
Assessment Methods and Criteria
Term (or Year) Learning ActivitiesQuantityWeight
Midterm Examination1100
SUM100
End Of Term (or Year) Learning ActivitiesQuantityWeight
Final Examination1100
SUM100
Term (or Year) Learning Activities40
End Of Term (or Year) Learning Activities60
SUM100
Language of Instruction
Work Placement(s)
None
Workload Calculation
ActivitiesNumberTime (hours)Total Work Load (hours)
Midterm Examination122
Final Examination122
Attending Lectures14342
Self Study20240
TOTAL WORKLOAD (hours)86
Contribution of Learning Outcomes to Programme Outcomes
PO
1
PO
2
PO
3
PO
4
PO
5
PO
6
PO
7
PO
8
PO
9
PO
10
PO
11
PO
12
PO
13
LO1            5
LO2            5
LO3            5
LO4            5
LO5            5
* Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High
 
Yozgat Bozok University, Yozgat / TURKEY • Tel  (pbx): +90 354 217 86 01 • e-mail: uo@bozok.edu.tr