|Abbreviation: OBRODV||Load: 30(L)
|Lecturers in charge: ||prof. dr. sc. Toma Udiljak
prof. dr. sc. Damir Ciglar
|Lecturers: ||dr. sc. Miho Klaić
Laboratory exercises, Field exercises
doc. dr. sc. Tomislav Staroveški
Laboratory exercises, Field exercises
|Course description: Course objectives:
Introduction with basics of cutting theory and material removal processes. Introduction with basics of machine tools, cutting tool and accessories.
Enrolment requirements and required entry competences for the course:
Attending lectures and exercises.
Grading and evaluation of student work over the course of instruction and at a final exam:
Colloquiums 60%. Written exam 20%. Oral exam 20%.
Methods of monitoring quality that ensure acquisition of exit competences:
Initial testing. Students preparation of experiment. Discussion of the experimental results and interactions of influencing parameters.
Upon successful completion of the course, students will be able to (learning outcomes):
explain the meaning of the coefficient of deformation;
calculate the angle of the shear plane based on the coefficient of deformation and tool geometry;
calculate the theoretical surface roughness on the basis of feed and tool geometry;
estimate the cutting forces;
define the basic and additional machinability criteria;
optimize cutting speed according to the criteria of productivity and costeffectiveness;
establish criteria for the selection of cutting data;
analyze the advantages and requirements of the application"s high speed machining, hard machining and dry machining;
compare WJM, laser and EDM technologies;
1. Significance, development and classification of material removal processes. Motions and machining parameters.
2. Basic geometry of cutting tool and workpiece. Cutting tool materials.
3. Basics of theory of cutting, orthogonal cutting and chip forming.
4. Dynamics of material removal processes. Heat at material removal.
5. Coolant. Tool wear and tool life. Vibrations in metal removal process.
6. Material removal processes planning, broaching, sawing, turning.
7. Material removal processes turning.
8. Material removal processes drilling, counter sinking, reaming, deep hole drilling.
9. Material removal processes milling.
10. Material removal processes grinding.
11. Material removal processes honning and lapping.
12. Nonconvencional machining processes EDM, ECM, USM and jet machining.
13. High speed and high efficiency machining.
14. High precision machining and micro machining.
15. Rapid prototyping. Modern trends in material removal.
1. Introduction with basics of machining and machine tools in the lab. Kinematics of machine tools, cutting tools and accessories.
2. Introduction with basics of machining and machine tools in the lab. Kinematics of machine tools, cutting tools and accessories.
3. Introduction with basics of machining and machine tools in the lab. Kinematics of machine tools, cutting tools and accessories.
4. Introduction with basics of machining and machine tools in the lab. Kinematics of machine tools, cutting tools and accessories.
5. Measuring of cutting forces at turning.
6. Measuring of cutting forces at drilling.
7. Measuring of cutting power at turning and drilling.
8. Tool life testing.
9. Vibration measuring at upcut and downcut milling.
10. Measuring of heat removed by chip.
11. Measuring of surface roughness at grinding.
12. Visit to the company which uses nonconventional machining processes.
13. Visit to the company which uses nonconventional machining processes.
14. Examples of high speed milling of metal and non metal materials.
15. Watching of movies with different machining processes.
|Lecture languages: en, hr
|1. ||Šavar, Š.: Obrada odvajanjem čestica, Školska knjiga, Zagreb 1991.
|2. ||Zdenković, R.; Obrada metala skidanjem, Školska knjiga, zagreb, 1991.
|3. ||Ekinović, S.: Obrada rezanjem, ISBN 9958-42-062-7, Zenica, 2001
|4. ||Science Direct Website: Annals of the CIRP, Elsevier
|5. ||J.P. Davim: Machining: Fundamentals and Recent Advances, Springer Verlag, 2008
|6. ||Klocke F.: Manufacturing Processes 1, Spinger, 2011
|7. ||Klocke F.: Manufacturing Processes 2, Spinger, 2011