Course detail
Machining of cast materials
FSI-POL Acad. year: 2019/2020 Winter semester
The subject is devoted to the improvement of student´s knowledge in the field of machining of cast materials.
Language of instruction
Czech
Number of ECTS credits
5
Supervisor
Department
Learning outcomes of the course unit
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.
Planned learning activities and teaching methods
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.
Aims
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.
Specification of controlled education, way of implementation and compensation for absences
Attendance at all exercising. Substitution in other exercising, or essay of current assignment.
The study programmes with the given course
Programme M2I-P: Mechanical Engineering, Master's
branch M-SLE: Foundry Technology, compulsory
Type of course unit
Lecture
26 hours, optionally
Teacher / Lecturer
Syllabus
1. Basics of machining technology
2. Turning (cutting charts)
3. Milling (cutter)
4. Drilling
5. Analysis of machining allowances for castings, inter-operative additions
6. Cutting forces and machining performance of bark and interrupted cuttings
7. Definition and selection of technological bases, clamping of castings
8. Grinding – treatment of castings
9. Fundamentals of technological procedures, sequence of technological operations
10. Technology processes, rotating components
11. Technology processes, non-rotational components
12. Machining technology on CNC machines – choice of technology, basics of programming.
13. Machinability of cast materials – cast iron, steel, light (Cl, Mg) alloys, heat alloys, refractory alloys, titanium alloys
Laboratory exercise
26 hours, compulsory
Teacher / Lecturer
Syllabus
1. Basic technological calculations for machining vc, f, fz, gauge
2. Cochipping coefficient of chips,
3. Tool geometry, cutting charts (construction calculations)
4. Cutting materials for machining metal castings, selection of cutting conditions from databases – work with the catalog
5. Machining allowances for castings, calculation of inter-operational allowances
6. Cutting force calculations
7. Cutting forces, methodology for determining coefficients
8. Machinability factor
9. Technological process of machining of cast parts
10. Technological process of machining of cast parts
11. Technological process of machining of cast parts
12. Presentation of seminar papers
13. Determination of production costs and time, optimization