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Lecturer(s)
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Fulemová Jaroslava, Ing. Ph.D.
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Řehoř Jan, doc. Ing. Ph.D.
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Vagaská Alena, docent PaedDr. PhD.
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Povolný Michal, Ing. Ph.D.
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Mezuliánik Jan, Ing.
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Course content
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Content of the subject: 1. Familiarizing students with the laboratory operation; safety work in the laboratory; description of the machine tool; programming; assignment of a seminar work. 2. Work on a technological proposal of a given part; preparation of NC data for its production. 3. Familiarizing students with workshop measurement; debugging the NC program, production of the part and verification of its quality. 4. Experimental methods in metal cutting, Design of Experiment and statistical analysis. 5. Plastic deformations in the chip (familiarizing students with the experimental equipment; study of plastic deformations in the chip, shape and classification of chips in accordance to cutting conditions). 6. Cutting forces and vibrations (familiarizing students with the experimental equipment; measuring of cutting forces and vibrations in accordance to cutting conditions). Workshop measurement of specified machined surface parameters. 7. Thermal effects (familiarizing students with the experimental equipment; measuring of thermal effects in accordance to cutting conditions). 8. Tool wear and tool life (familiarizing students with the experimental equipment; measuring of tool wear and determination of tool life in accordance to cutting conditions). Workshop measurement of specified machined surface parameters. 9. Optimization of machining process and restraint conditions; determination of optimal cutting conditions according to required criteria. NC program adjustment. 10. Production of the given part with optimal cutting conditions; workshop measurement of dimensions, geometrical accuracy and quality of machined surfaces. 11. Part assembling and verification of functionality; processing of the seminar work. 12. Processing of the seminar work. 13. Pass the seminar work; pre exam credit.
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Learning activities and teaching methods
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Laboratory work, Practicum
- Preparation for laboratory testing; outcome analysis (1-8)
- 8 hours per semester
- Graduate study programme term essay (40-50)
- 50 hours per semester
- Contact hours
- 30 hours per semester
- Practical training (number of hours)
- 65 hours per semester
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| prerequisite |
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| Knowledge |
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| To describe the physical nature of the cutting process, the chip formation mechanism, the dynamic phenomena in the cutting process and the dynamic stability of the cutting process, the thermal effects of the process, the cutting edge of the cutting tool and its measurements according to ISO standard, cutting, machining of metallic materials and methods of its detection, optimization of the cutting process, optimization criteria, ways of optimizing the cutting conditions. |
| To describe the possibilities of building the NC program manually, using workshop and automatic programming, the basic NC machining strategy and the meaning of cycles and parametric programming. |
| To describe methods in workshop metrology and assembly technology in engineering. |
| Skills |
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| To apply knowledge in the field of cutting process and accompanying phenomena, stability and machining optimization. |
| To build the NC program manually, using the workshop programming or automatically with support for PC. |
| To apply knowledge from workshop metrology and assembly technology in engineering. |
| Systematically design appropriate or optimal machining conditions. |
| To analyze problems in case of instability and uneconomic cutting process. |
| To build a NC program using cycles and parameterization. |
| To use NC machining strategies in CAM systems. |
| Competences |
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| N/A |
| N/A |
| learning outcomes |
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| Knowledge |
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| To describe in detail the designed NC program for a particular component incl. machining technology on the machining center. |
| To describe in detail experimental measurement methods in machining. |
| To describe the optimization of cutting conditions on a particular case. |
| To describe dimensional and geometric parameters incl. surface roughness on the sample piece. |
| To describe how to verify the functionality of the assembly component in the specified machine assembly. |
| Skills |
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| To create a NC program by using the NC programming techniques of different level levels. |
| To measure the basic quantities of the cutting process and its consequences (chip formation, cutting force, vibration, acoustic emission, temperature field, edge damping and durability). |
| To optimize cutting conditions for the selected machined surface according to the basic criteria. |
| To measure dimensional and geometric parameters incl. surface roughness on the sample piece. |
| To verify the functionality of the assembly component in the specified machine assembly. |
| To produce a sample piece using an experimental multifunctional turning center incl. its adjustment. |
| Competences |
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| N/A |
| N/A |
| teaching methods |
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| Knowledge |
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| Task-based study method |
| Skills |
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| Laboratory work |
| Competences |
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| Practicum |
| Laboratory work |
| assessment methods |
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| Knowledge |
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| Skills demonstration during practicum |
| Seminar work |
| Skills |
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| Seminar work |
| Competences |
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| Seminar work |
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Recommended literature
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Boothroyd, Geoffrey; Dewhurst, Peter; Knight, Winston. Product design for manufacture and assembly. 2nd ed., rev. and expanded. Boca Raton : Taylor & Francis, 2002. ISBN 0-8247-0584-X.
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Hnátík, Jan. NC technologie - praktická část. [Plzeň] : SmartMotion, 2013. ISBN 978-80-87539-29-3.
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MÁDL,J. Experimentální metody v teorii obrábění. ČVUT Praha, 1988. ISBN není.
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Miroslav Neslušan, Stanislav Turek, Josef Brychta, Robert Čep, Marián Tabaček. Experimentálne metódy v trieskovom obrábaní.. Žilinská univerzita Žiline, 2007. ISBN 978-80-553-0381-9.
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