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Lecturer(s)
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Lenfeldová Irena, Ing. Ph.D.
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Ornstová Jana, Ing.
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Kovář Šimon, Ing. Ph.D.
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Course content
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Lectures: 1. Technologies of weft and warp knitting - used materials and their preparation. 2. Characterization of weft and warp knitting machines according of the types. Knittng machine productivity and speed of the machines. 3. Cam systems and mechanisms of knitting machines (needle beds, cams, loop transfer stitches, etc.). Operating of the knitting mechanisms. 4. Flat knitting machines - V-bed rib flat machines. 5. Circular garment-length machines - large (including interlock), medium, and small (hosiery) diameter knitting machines (working mechanisms). 6. Pattern and selection devices of weft knitting machines (non-jacquard selection). 7. Pattern mechanisms of weft knitting machines (jacquard selection). 8. Function and patterning of weft knitted machines (individual needle selection). 9. Pattern mechanisms of warp knitting machines. 10. Material feeding and delivery systems (tensioners, feeders, carriers). 11. Fabric take down mechanisms. Control equipment and faults. 12. Technology of production of weft knitted fabrics (pattern with plush surface, with weft, etc.) 13. Unorthodox knitting principles warp and weft knitting technology. 14. History aspect of the knitting, their comparison and influence on the concept of modern knitting machines. Practices: 1. Demonstration of the working mechanism of the weft knitting machines. 2. Demonstration of the working mechanism of the warp knitting machines. 3. Examples of pattern, knitted fabrics and products of knitting machines in laboratory workshops. 4. Influence of weft knitting machines in the knitting lab on the structure and geometric properties of knitted fabrics. 5. Influence of warp knitting machines in the knitting lab on the structure and geometric properties of knitted fabrics. 6. Productivity of weft knitting machines. Setting up a knitting machine and measuring the parameters of the machine's work and drainage devices in a knitting lab. 7. Productivity of warp knitting machines. Setting up a knitting machine and measuring the parameters of the working and take down mechanisms in a knitting lab. 8. - 9. Knitting machine setting according to the type of knitted product. 10. - 11. Processing of non-standard material by the knitting technology (effect of the active feeder on the resulting product). 12. - 13. News in the development and construction of knitting machines, knitted products and technological processes needed for knitting. 14. Discussion and defense of individual works.
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Learning activities and teaching methods
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Self-study (text study, reading, problematic tasks, practical tasks, experiments, research, written assignments), Demonstration, Working activities (workshops), Group consultation, Individual consultation, Lecture, Practicum, Students' portfolio, Students' self-study
- Preparation for exam
- 45 hours per semester
- Class attendance
- 56 hours per semester
- Individual project
- 25 hours per semester
- Presentation preparation (report)
- 10 hours per semester
- Home preparation for classes
- 20 hours per semester
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Learning outcomes
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Within the subject student obtains knowledge related to the knitting machines, especially the functions and operating of weft and warp knitted machines (working device, programed control and pattern devices, yarn feeding and delivery system, fabric take down systems and controlling equipment of the knitting, etc.). There are also discussed topics related to knitting processes on both flat and circular machines and their productivity and patterning possibilities. It is also mentioned the preparation of material for knitting according to the machine technology and production.
Basic orientation in the field of knitted fabrics production with both technology (weft and warp). Specification of knitting machines needed for the real product and their pattern possibilities given by the knitting machines constructions and mechanisms. Basic knowledge of product creation, use of machines and possible innovation in the knitting area (possibilities of the select type of machine with regard to patterning and knitted fabric production of technical and clothing character).
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Prerequisites
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Basic knowledge of knitting principles and knitting structures at the level of subject Knitting.
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Assessment methods and criteria
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Combined examination
Credit: Attendance at seminars. Elaboration of assigned projects. Passing the knowledge test at a certain level of points. Defence of the project. Examination: written
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Recommended literature
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Soubor českých přednášek na https://elearning.tul.cz/.
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DANĚK, V. Stroje a technologie osnovního pletení, skriptum VŠST.. Liberec: Vysoká škola strojní a textilní, 1984. ISBN 55-323-83.
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HORROCKS, A. R., ANAND, S. C. Handbook of technical textiles. Volume 1, Technical textile processes. Second edition. Amsterdam: Woodhead Publishing, 2016. ISBN 978-1-78242-458-1.
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KOČÍ, V. Vazby pletenin. Praha: SNTL - Nakladatelství technické literatury, 1980. ISBN 04-825-80.
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KOVÁŘ, R. Pletení. Skriptum TUL. 2. upravené vydání.. Liberec, Technická univerzita v Liberci, 2001. ISBN 80-7083-446-3.
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SOVADNÍK, F. Technologie osnovního pletení. Praha: SNTL - Nakladatelství technické literatury, 1982. ISBN 04-831-82.
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SPENCER, D. J. Knitting technology.. Leicester Polytechnic, Pergamon Press, England, 1983. ISBN 9780080247632.
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WEBER, M., WEBER, K. Wirkerei und Strickerei. Deutscher Fachverlang GmbH, 2014. ISBN 978-3-86641-299-6.
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