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Lecturer(s)
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Odvárka Eduard, Ing.
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Skopeček Zdeněk, Ing.
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Hošek Ondřej, doc. Ing. Ph.D.
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Course content
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Model sof metal casts, basic properties. Surface tension, viskosity, fluidity. The flow of metal casts in channels of cast forms and processes between the fluid metal and form. The thermal field of cast and form, gas mode of form. Crystallization of metals and alloys. Solidification of cast, shrinkage, risers. Cooling of cast, internal tensions aund faults. Measures to minimize the faults of casts.
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Learning activities and teaching methods
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Lecture supplemented with a discussion, Lecture with practical applications, Practicum
- Preparation for an examination (30-60)
- 40 hours per semester
- Contact hours
- 39 hours per semester
- Practical training (number of hours)
- 26 hours per semester
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| prerequisite |
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| Knowledge |
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| Describe moulding, risering and casting procedures. Describe the mechanism of heat transfer between melt and the mould. Causes of changes in the melt flow in the gating system and the mould cavity. Fundamentals of diffusion in the melt and in solidified material. Characteristics of defects in castings. Characteristics of materials used for castings in the power industry and other fields. |
| Skills |
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| Design pattern allowances. Design drafts and moulding methods for casting a simple part. Give interpretation of defects in a casting. Prepare a technical report. |
| Competences |
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| N/A |
| learning outcomes |
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| Knowledge |
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| Describe the mechanism of solidification and cooling of a casting. Improve the solidification of a casting by altering the pattern shape. Describe the mechanism of micro and macro segregation. Know the means of adjusting the flow of melt in the gating system. Describe the control of gases in a mould. Know the mechanism of formation of hot and cold cracks. Assess the causes of defects and develop measures to eliminate them. |
| Skills |
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| Design the gating system and risers for cast parts of simple shapes. Review the possibility of manufacturing a particular alloy with available equipment. Assess melting technology with respect to the quality of production. Adjust the design of a cast part to meet the requirements for pouring and quality. |
| Competences |
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| N/A |
| teaching methods |
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| Knowledge |
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| Lecture supplemented with a discussion |
| Practicum |
| Interactive lecture |
| Field trip |
| Discussion |
| Multimedia supported teaching |
| Skills |
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| Laboratory work |
| Task-based study method |
| Field trip |
| Practicum |
| Multimedia supported teaching |
| Competences |
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| Lecture |
| Multimedia supported teaching |
| assessment methods |
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| Knowledge |
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| Combined exam |
| Test |
| Skills |
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| Skills demonstration during practicum |
| Individual presentation at a seminar |
| Competences |
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| Oral exam |
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Recommended literature
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Bernášek, Vladimír; Horejš, Jan. Technologie slévání. Plzeň : Západočeská univerzita, 2006. ISBN 80-7043-491-0.
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Gedeonová, Z. Teoria zlievárenských pochodov. ALFA Bratislava, 1990. ISBN 80-05-00491.
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Vydra, Miroslav. Teorie slévání. 1. vyd. Plzeň : VŠSE, 1990. ISBN 80-7082-014-4.
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