|
Lecturer(s)
|
-
Kolařík Roman, Ing. Ph.D.
-
Švábík Jiří, Dr. Ing.
|
|
Course content
|
1. Introduction to modeling of processing processes. 2. Identification of individual physical phenomena causing defect of extruded product, setting of process window. Definition of individual quantities and terms. 3. Clarification of the importance of resistance in material flow. 4. Material properties determining limits of extrusion process, essential material parameters, differences and importance of material comparison. 5. Solution of functional insufficiency of single screw extruder. 6. Scale-up of extrusion process, change of process conditions, modification of geometry. 7. Optimization of foil production, technology of roll casting. 8. Optimization of foil production, blow molding technology. 9. Coextrusion heads, their design. Avoidance of coextrusion instabilities. 10. Extrusion of tubes with direct inlet heads. 11. Balancing of mass for extrusion tools aimed for the production of profiles. 12. Extrusion of cables. 13. Design of extrusion heads with cross inlet. 14. Optimization of the profile cooling process aimed at avoiding deformation of profiles, cooling of foils.
|
|
Learning activities and teaching methods
|
Lecturing, Exercises on PC
- Preparation for examination
- 120 hours per semester
|
| prerequisite |
|---|
| Knowledge |
|---|
| Students are expected to know rheological behaviour of polymeric materials and basic technologies used for extrusion of films, profiles and cables. |
| Students are expected to know rheological behaviour of polymeric materials and basic technologies used for extrusion of films, profiles and cables. |
| Students must understand mathematics and physics at the secondary school level. |
| Students must understand mathematics and physics at the secondary school level. |
| Knowledge of applied rheology, plastics technology, polymer processing technologies. |
| Knowledge of applied rheology, plastics technology, polymer processing technologies. |
| learning outcomes |
|---|
| Students are able to solve practical problems of plastic extrusion. In addition, they will gain practical knowledge of the commercial product Virtual Extrusion Laboratory (VEL) developed by Compuplast International ltd. |
| Students are able to solve practical problems of plastic extrusion. In addition, they will gain practical knowledge of the commercial product Virtual Extrusion Laboratory (VEL) developed by Compuplast International ltd. |
| teaching methods |
|---|
| Lecturing |
| Lecturing |
| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Skills |
|---|
| Exercises on PC |
| Exercises on PC |
| Individual work of students |
| Individual work of students |
| assessment methods |
|---|
| Knowledge |
|---|
| Oral examination |
| Oral examination |
| Written examination |
| Written examination |
|
Recommended literature
|
-
Dealy, J. M., Wang, J. Melt rheology and its applications in the plastics industry. Springer, 2013.
-
Han C. D. Rheology and procesing of polymeric materials, vol. 2 Polymer processing. Oxford, 2007.
-
Tadmor, Z., Costas, G. G. Principles of polymer processing, second edition. Wiley, 2006.
|