|
Lecturer(s)
|
-
Bílek Ondřej, doc. Ing. Ph.D.
-
Kubišová Milena, Ing. Ph.D.
|
|
Course content
|
1. Physical characteristics of the cutting process, plastic deformation in the chip formation area during orthogonal cutting. 2. Tool coordinate systems, cutting angles. Cutting diagram, derivation and construction. Rotation of the face plane for resharpening. Quantification of tool and working angles. 3. Kinematic and energetic characteristics of the cutting process, energy theory of the cutting process. Shear plane angle and packing coefficient. 4. HSC machining and its environmental aspects, theoretical aspects of HSC machining and heat balance of cutting process in HSC machining. 5. Cutting tools and cutting materials, overview of tool materials, characteristics. Cutting parameters. 6. Classification of groups and subgroups of cutting materials (ISO 513) and their applications. Cutting performance of tools. Methods of tool coating. 7. Machinability of materials, calculation of machinability coefficient. General systems of material classification. 8. Cutting forces, quantification and measurement of cutting force components. Vibration of the machining system, increasing the stability of the cut. Modal analysis and stability diagram. 9. Surface integrity, mechanical properties of the machined surface, methods of increasing tool life and quality of the machined surface. Classification of surface quality measurement methods. 10. Protective coatings and layers non-metallic inorganic, metallic and organic. Surface preparation and formation. Metallisation of plastics and coating of metals with polymers. 11. Assembly, assembly organisation, assembly procedure and documentation. Assembly methods, progressive and stationary assembly. Dimensional chains, full and selective interchangeability, computational solutions. 12. Excursion to a manufacturing company of metalworking numerically controlled (CNC) centres and injection moulding machines in the development, production and assembly department. 13. Engineering metrology. Basic concepts and units of measurement. Measurement errors and uncertainties. Measuring instruments for measuring lengths and plane angles. Measurement of shape deviations. 14. Prototype production. CNC manufacturing. Additive manufacturing of prototypes (SLA, FFF/FDM, SLS/SLM, LOM), principle, application and quality parameters achieved.
|
|
Learning activities and teaching methods
|
Lecturing, Exercises on PC, Practice exercises
- Preparation for examination
- 120 hours per semester
|
| prerequisite |
|---|
| Knowledge |
|---|
| Knowledge of individual methods of machining processes, mathematical statistics, probability theory, regression analysis, optimization methods, differential geometry and differential equations of first order (inhomogeneous), mechanical vibration system, kinematics and dynamics of oscillatory motion, mechanical waves, internal energy, work and body heat. |
| Knowledge of individual methods of machining processes, mathematical statistics, probability theory, regression analysis, optimization methods, differential geometry and differential equations of first order (inhomogeneous), mechanical vibration system, kinematics and dynamics of oscillatory motion, mechanical waves, internal energy, work and body heat. |
| learning outcomes |
|---|
| describe the physical nature of machining and plastic deformation in orthogonal cutting |
| describe the physical nature of machining and plastic deformation in orthogonal cutting |
| determine the kinematic and energy aspects of the cutting process |
| determine the kinematic and energy aspects of the cutting process |
| determine the machinability of materials |
| determine the machinability of materials |
| characterise the principles of prototype production |
| characterise the principles of prototype production |
| classify cutting tools, tool materials and surface treatment methods |
| classify cutting tools, tool materials and surface treatment methods |
| Skills |
|---|
| design prototype production |
| design prototype production |
| create a CNC program for production on the DMU50 |
| create a CNC program for production on the DMU50 |
| implement the prototype production on the DMU50 numerically controlled centre |
| implement the prototype production on the DMU50 numerically controlled centre |
| calculate the kinematic aspects of the cutting process |
| calculate the kinematic aspects of the cutting process |
| calculate the energy characteristics of the cutting process |
| calculate the energy characteristics of the cutting process |
| teaching methods |
|---|
| Knowledge |
|---|
| Lecturing |
| Lecturing |
| Demonstration |
| Demonstration |
| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Skills |
|---|
| Practice exercises |
| Practice exercises |
| Exercises on PC |
| Exercises on PC |
| Individual work of students |
| Individual work of students |
| assessment methods |
|---|
| Knowledge |
|---|
| Oral examination |
| Written examination |
| Written examination |
| Analysis of the student's performance |
| Oral examination |
| Didactic test |
| Didactic test |
| Analysis of works made by the student (Technical products) |
| Analysis of works made by the student (Technical products) |
| Analysis of the student's performance |
|
Recommended literature
|
-
GROOVER, Mikell P. Fundamentals of modern manufacturing: materials, processes, and systems.Sixth edition.. Hoboken:Wiley, 2016. ISBN 978-1-119-12869-4.
-
Holešovský, F., Novák, M. Obrábění a montáže. Ústí nad Labem: FVTM UJEP, 2012.
-
KOCMAN, K. Speciální technologie: obrábění. 3. přeprac. a dopl. vyd. 227 s. Učební texty vysokých škol.. Brno: CERM, 2004. ISBN 8021425628.
-
KOCMAN, K. Technologické procesy obrábění. 330 s.. Brno: CERM, 2011. ISBN 978-80-7204-722-2.
-
MEKID, Samir. Metrology and instrumentation: practical applications for engineering and manufacturing. Hoboken, NJ: Wiley, 2021. ISBN 9781119721789.
-
POU, Juan, Antonio RIVIERO a J. Paulo DAVIM. Additive manufacturing.. Elsevier, 2021. ISBN 9780128184127.
|