Machining of cast materials (FSI-POL)

Academic year 2018/2019
Supervisor: Ing. Karel Osička, Ph.D.  
Supervising institute: ÚST all courses guaranted by this institute
Teaching language: Czech
Aims of the course unit:
The goal of the subject involves the application of material science, construction of machines and equipment, methods of checking materials when machining metal materials with conventional and CNC technology.
Learning outcomes and competences:
Students will acquire knowledge of qualified technological process selection, including foundry technology. They will be able to select proper clamping of workpieces, production (cutting) conditions, cutting tools and materials, do workpiece checks, calculate production times and production costs.
Prerequisites:
Knowledge obtained in the course of previous study, namely in the fields of theory and technology of machining, material science, metrology, mathematics, physics, structures and properties of cast materials.
Course contents:
The subject is devoted to the improvement of student´s knowledge in the field of machining of cast materials.
Teaching methods and criteria:
The course is taught through lectures explaining the basic principles and theory of the discipline. Teaching is suplemented by practical laboratory work.
Assesment methods and criteria linked to learning outcomes:
Course unit credit requirements:
-participation in the exercises,
-delivery of assigned papers.
The exam will be written and oral and the resulting classification will be in accordance with Article 12 and 13 of the current BUT Study and Examination Regulations.
Controlled participation in lessons:
Attendance at all exercising. Substitution in other exercising, or essay of current assignment.
Type of course unit:
    Lecture  13 × 2 hrs. optionally                  
    Labs and studios  13 × 2 hrs. compulsory                  
Course curriculum:
    Lecture 1. Machining of cast materials - technological fundamentals.
2. Analysis of allowence for casting technology, allowence between operation.
3. Definition and selection of technological bases, clamping of workpieces.
4. Cutting materials for machining of cast alloys.
5. Tool geometry for machining of cast alloys.
6. Bases of technologic process, sequence of technologic operation.
7. Choice of machines for machining of cast large proportions.
8. Cutting forces and power for machining of skinned materials and interruppted cuts,
9. CNC technology of machining of cast materials - choice of technology, basis of programing.
10. CNC technology of machining of cast materials – programing with using of cycle.
11. Machinability of cast materials - irons, steels, light (Al, Mg) alloys, light (Al, Mg) alloys, light (Al, Mg) alloys.
12. Estimation of production times, cost and their optimisation.
13. Estimation of rate haur of machine.
    Labs and studios 1. Basic technologic calculations of machining.
2. Allowence for casting technology, calculations of allowence between operation.
3. Clamping of workpieces and selection of technological bases - examples.
4. Cutting materials for machining of cast alloys, selection of cutting data from data bases – work with catalogue
5. Tool geometry for machining of cast alloys.
6. Technologic process of machining of small precise cast.
7. Technologic process of machining of small precise cast.
8. Technologic process of machining of large cast.
9. Technologic process of machining of large cast.
10. CNC technology of machining of cast materials - basis of programing.
11. CNC technology of machining of cast materials - programing with using of cycle.
12. Cutting forces and power for machining of skinned materials and interruppted cuts, machinability of cast materials.
13. Estimation of production times, cost and their optimisation.
Literature - fundamental:
1. AB SANDVIK COROMANT - SANDVIK CZ s.r.o. Příručka obrábění - Kniha pro praktiky. (Přel. z: Modern Metal Sutting - A Practical Handbook. Překlad M. Kudela.), 1. vyd. Praha: Scientia, s. r. o.,1997. 857s., ed. J. Machač, J. Řasa. ISBN 91-97 22 99-4-6.
2. WALKER, J.R. Machining Fundamentals. The Goodheart-Wilcox Company, Inc., Tinlez Park, Illinois, 7th ed., 2004, pp. 640, ISBN 1-59070-249-2.
3. TRENT, E.M., WRIGHT, P.K. Metal Cutting. Fourth Edition. Butterworth-Heinemann. Boston, Oxford, Auckland, Johannesburg, Melbourne, New Delhi, 2000. pp. 446. ISBN 0-7506-7069-X.
4. HUMÁR, Anton. a Miroslav PÍŠKA, Moderní řezné nástroje a nástrojové materiály. MM Průmyslové spektrum. Speciální vydání včetně CD, Praha: 2004, 110 s., ISSN 1212-2572.
Literature - recommended:
1. FOREJT, Milan a Miroslav PÍŠKA. Teorie obrábění, tváření a nástroje. 1. vydání. Brno: Akademické nakladatelství CERM, s.r.o., 2006, 225 s. ISBN 80-214-2374-9.
The study programmes with the given course:
Programme Study form Branch Spec. Final classification   Course-unit credits     Obligation     Level     Year     Semester  
M2I-P full-time study M-SLE Foundry Technology -- Cr,Ex 5 Compulsory 2 1 W