| Course Unit Code | 618-2034/03 |
|---|
| Number of ECTS Credits Allocated | 7 ECTS credits |
|---|
| Type of Course Unit * | Compulsory |
|---|
| Level of Course Unit * | First Cycle |
|---|
| Year of Study * | First Year |
|---|
| Semester when the Course Unit is delivered | Summer Semester |
|---|
| Mode of Delivery | Face-to-face |
|---|
| Language of Instruction | Czech |
|---|
| Prerequisites and Co-Requisites | Course succeeds to compulsory courses of previous semester |
|---|
| Name of Lecturer(s) | Personal ID | Name |
|---|
| LIC03 | doc. Ing. Petr Lichý, Ph.D. |
| KRO226 | doc. Ing. Ivana Lichá, Ph.D. |
| Summary |
|---|
| Casting as a product of the foundry industry, possibilities and limits, engineering and technologic requirements. Mode of castings production from the design to finishing. Wood and metal patterns making. Molding materials, sand, binders, mold and core making technologies. Specialities of art castings manufacturing. |
| Learning Outcomes of the Course Unit |
|---|
Acquired knowledge
- Student will be able to analyse and compare basic methods of mold and core making
- Student will be able to describe basic processes during forming a casting from pouring it up to metal cooling
Acquired skills
- Student will be able to explain the formation of the most important casting defects
- Student will be able to design a technological process of making an art casting (a mold, a gating system, venting).
|
| Course Contents |
|---|
1. History and the present of the foundry industry
2. Procedures of casting production description of individual production units, Production of castings using permanent metal mold and lost sand mold
3. Pattern making, materials, parting lines, scarfs, working allowance, core boxes, materials. Metal molds, sand molds
4. Molding wih split pattern, cores using, sweep molding – rotating and plane, hand and mechanized sand molding. Precision casting with lost wax pattern, Lost Foam, V-process
5. Production of castings using permanent metal mold, gravity casting, high and low pressure die casting, centrifugal casting. Melt fluidity and castability
6. Running system design depending on the type of poured metal. Running systems for art castings. Running system calculation.Calculation of metalostatic pressure and buoyancy .
7. Gases in melted metals, their dissolubility, methods of the melt degasing. Gases in the mold, methods of the mold degasing, vent holes. Blow hole formation.
8. Castings crystallization and solidification.Thermodynamic conditions of crystallization. Solidification time, shape of castig and mould material, thermal diffusivity of the mould
9. Solidification shrinkage and its consequence – shrinkage cavities, porosities – causes and prevention
10. Hot spots – facing their consequences, directional solidification , feeding, calculation of the riser volume
11. Linear contraction of the casting, hot tearing, cold cracking, residual stresses
12. General design of metal casting production, rapid prototyping. Methods of castings finnishing
13. Art casting manufacturing
14. Terminal consultation
|
| Recommended or Required Reading |
|---|
| Required Reading: |
|---|
[1] CAMPBELL, J. Complete casting handbook: metal casting processes, metallurgy, techniques and design. Second edition. Amsterdam: Elsevier Butterworth-Heinemann, 2015. ISBN 978-0-444-63509-9.
|
[1] JELÍNEK, P. Slévárenství. 5. vyd. Ostrava: VŠB - Technická univerzita Ostrava, 2007. ISBN 978-80-248-1282-3.
[2] ROUČKA, J. Technická příprava výroby ve slévárnách, skriptum VUT Brno, I.vydání VUT Brno 1986, 79 stran.
[3] CAMPBELL, J. Complete casting handbook: metal casting processes, metallurgy, techniques and design. Second edition. Amsterdam: Elsevier Butterworth-Heinemann, 2015. ISBN 978-0-444-63509-9. |
| Recommended Reading: |
|---|
| [1] YOUNG, R.D. and R. A. FENNELL. Methods for modern sculptors. Escondido: Sculpt-Nouveau, 1980. ISBN 0-9603744-0-X. |
[1] ELBEL, T. Vady odlitků ze slitin železa: (klasifikace, příčiny a prevence). Brno: MATECS, 1992.
[2] SCHIEG, F.P. Technology of Metalcasting. American Foundry Society,Des Plaines,IL 2003
[3] YOUNG, R.D. and R. A. FENNELL. Methods for modern sculptors. Escondido: Sculpt-Nouveau, 1980. ISBN 0-9603744-0-X.
|
| Planned learning activities and teaching methods |
|---|
| Lectures, Individual consultations, Tutorials |
| Assesment methods and criteria |
|---|
| Task Title | Task Type | Maximum Number of Points
(Act. for Subtasks) | Minimum Number of Points for Task Passing |
|---|
| Credit and Examination | Credit and Examination | 100 (100) | 51 |
| Credit | Credit | 30 | 16 |
| Examination | Examination | 70 | 35 |