Yarn Spinning and Manufacturing (5 cr)

Objectives (course unit)

The student has a basic knowledge about textile yarn production methods and is able to give an account of the classifications, names and properties of the textile yarns.The students cab describe the process from fibres to threads and the use of different production and spinning methods.

The students can describe the basic concepts and processes for the manufacturing of natural and man-made fiber yarns.
- can explain the basic / advanced processes for yarn spinning and texturing
- can describe the industrial classification of yarns and applications
- can understands the definitions for different yarn count systems and knows the conversion between yarn counts
- can explain different yarn types and structures
- undesrtand the effect of moisture on yarn count results
- understand the effect of twist on certain yarn and fabric properties
- can explain general quality criteria of threads.

Content (course unit)

This course will include
- basic knowledge about textile yarns production methods
- classifications, names and properties of the textile yarns.
- the process from fibers to threads using different production and spinning methods.

Assessment criteria, satisfactory (1-2) (course unit)

Knowing
The student is able to define the most important processes, specifications and classifications related to the topic and understand the importance of yarn quality in textiles at a basic level.
Acting
The student is able to solve simple problems that are comparable to the tasks covered in the course.
Being
The student takes responsibility for his or her own performance.

Assessment criteria, good (3-4) (course unit)

Knowing
The student is able to explain the most important related processes, specifications and classifications related to the topic and understand the importance of yarn quality in textiles more advance level.
Acting
The student is able to apply his / her knowledge and perform basic and more demanding tasks.
Being
The student takes responsibility for his / her performance and commits not only to his / her own activities but also to the activities of the group.

Assessment criteria, excellent (5) (course unit)

Knowing:
The student has a comprehensive understanding of the most important processes and is able to evaluate the use of yarns in various applications.
Acting:
The student is able to solve challenging and applied tasks. The student is able to look for different solution options and justify his / her choice
Being:
The student is able to cooperate responsibly, flexibly and constructively.

Exam schedules

Final assignment during the last contact lesson

Assessment methods and criteria

Final assignment
Exercise report
Presentation

Assessment scale

0-5

Teaching methods

Lectures, tasks, company visits

Learning materials

- Lecture notes
- Hatch, K. L. (1993) Textile science. Minneapolis/Saint Paul: West Pub.
- Lawrence, C. A. (2003) Fundamentals of spun yarn technology. Boca Raton, (Fla.): CRC Press.
- Lord, P. R. (2003) Handbook of yarn production : technology, science and economics. Cambridge: Woodhead Publishing Limited.
- Alagirusamy, R. et al. (2010) Technical textile yarns : industrial and medical applications. Oxford: Woodhead.
- Gong, R. H. & Wright, R. M. (2003) Fancy yarns : their manufacture and application. Boca Raton, (Fla.): CRC Press/Woodhead Pub.
- Saville, B. P. (1999) Physical Testing of Textiles. Cambridge: Elsevier Science & Technology.

Student workload

5 credits = 133 h
Contact teaching 50 h
- lectures
- laboratory exercises
- company visit
Self-study 14 h (2 h / week)
Presentation 16 h
Laboratory report 16 h
Preparation for exam 37 h

Content scheduling

This course will include
- basic knowledge about textile yarns production methods
- classifications, names and properties of the textile yarns.
- the process from fibers to threads using different production and spinning methods.

Practical training and working life cooperation

Company visit

Assessment criteria - fail (0) (Not in use, Look at the Assessment criteria above)

The student is not participating to the course tasks (final assignment, exercise report, presentation)

Assessment criteria - satisfactory (1-2) (Not in use, Look at the Assessment criteria above)

Knowing
The student is able to define the most important processes, specifications and classifications related to the topic and understand the importance of yarn quality in textiles at a basic level.
Acting
The student is able to solve simple problems that are comparable to the tasks covered in the course.
Being
The student takes responsibility for his or her own performance.

Assessment criteria - good (3-4) (Not in use, Look at the Assessment criteria above)

Knowing
The student is able to explain the most important related processes, specifications and classifications related to the topic and understand the importance of yarn quality in textiles more advance level.
Acting
The student is able to apply his / her knowledge and perform basic and more demanding tasks.
Being
The student takes responsibility for his / her performance and commits not only to his / her own activities but also to the activities of the group.

Assessment criteria - excellent (5) (Not in use, Look at the Assessment criteria above)

Knowing:
The student has a comprehensive understanding of the most important processes and is able to evaluate the use of yarns in various applications.
Acting:
The student is able to solve challenging and applied tasks. The student is able to look for different solution options and justify his / her choice
Being:
The student is able to cooperate responsibly, flexibly and constructively.