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Lecturer(s)
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Staněk Michal, prof. Ing. Ph.D.
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Course content
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1. Injection molding process. 2. Polymers. 3. Product design produced by injection molding. 4. Defects of molded parts and their corrections including after treatment of injection molded products. 5. Design of injection mold. 6. Cold runner system. 7. Hot runner system. 8. Demolding and ejection of parts from injection molds. 9. Heating and cooling systems of injection molds. 10. Injection molds for parts with threads. 11. Injection molds with sliders. 12. Removing of left over cold runner. Venting. 13. Tools materials. 14. Production and testing of injection molds. Manipulation and storage, reparations and maintenance of injection molds. Calculations and marking of molds.
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Learning activities and teaching methods
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Activities related to graphics and visual arts, Exercises on PC
- Preparation for examination
- 120 hours per semester
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| prerequisite |
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| Knowledge |
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| Knowledge of CAD system. |
| Knowledge of CAD system. |
| Basic knowledge of standard parts. |
| Basic knowledge of standard parts. |
| learning outcomes |
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| explain and describe the technology of polymer injection molding with regard to production equipment and tooling |
| explain and describe the technology of polymer injection molding with regard to production equipment and tooling |
| design the appropriate type of material with regard to the product application |
| design the appropriate type of material with regard to the product application |
| evaluate defects in injection molded products and propose measures to eliminate them |
| evaluate defects in injection molded products and propose measures to eliminate them |
| describe the individual parts of injection molds and their function |
| describe the individual parts of injection molds and their function |
| determine the method of production, handling and maintenance of injection molds |
| determine the method of production, handling and maintenance of injection molds |
| Skills |
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| design the part with respect to the principles of design of plastic products |
| design the part with respect to the principles of design of plastic products |
| design the individual systems (flow, tempering, ejection, etc.) of the injection mold |
| design the individual systems (flow, tempering, ejection, etc.) of the injection mold |
| design the injection mold |
| design the injection mold |
| use standardized parts for the design of the injection mold |
| use standardized parts for the design of the injection mold |
| create the assembly of the injection mold with the appropriate cuts and views |
| create the assembly of the injection mold with the appropriate cuts and views |
| teaching methods |
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| Knowledge |
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| Lecturing |
| Lecturing |
| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Skills |
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| Exercises on PC |
| Exercises on PC |
| Activities related to graphics and visual arts |
| Activities related to graphics and visual arts |
| Individual work of students |
| Individual work of students |
| assessment methods |
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| Knowledge |
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| Oral examination |
| Written examination |
| Grade (Using a grade system) |
| Grade (Using a grade system) |
| Written examination |
| Oral examination |
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Recommended literature
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BEAUMONT, J.P. Runner and Gating Design Handbook: Tools for Successful Injection Molding. 3rd Ed. xx, 450 s.. Munich: Hanser Publishers, 2019. ISBN 978-1-56990-590-6.
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Bobčík, L. Formy pro zpracování plastů: vstřikování termoplastů. Díl 2. Brno: Uniplast, 1999.
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Bobčík, L. Formy pro zpracování plastů: vstřikování termoplastů. Díl.1. Brno: Uniplast, 1999.
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KAZMER, D. Injection Mold Design Engineering. 2nd Ed. xxiv, 529 s.. Munich: Hanser, 2016. ISBN 9781569905708.
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MALLOY, R.A. Plastic Part Design for Injection Molding: An Introduction. 2nd Ed. xiv, 549 s.. Munich: Hanser Publishers, 2011. ISBN 9781569904367.
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UNGER, P. (Ed.). Gastrow Injection Molds: 130 Proven Designs. 4th Ed. x, 335 s.. Munich: Hanser Publishers, 2006. ISBN 1569904022.
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