Mechanical Engineering Design and Manufacturing / Kaunas

1.1 Materials Science and Engineering (6 ECTS)

• Main aim of the course is to give knowledge about engineering materials production, structure, process of metals crystallization, phase diagrams of alloys, heat and thermochemical treatment of metals. The specific aims are to develop abilities to research material properties and structure; to provide knowledge of the principles of selection of materials, their casting, welding and heat treatment.
• On completion of the course a student will know engineering materials production methods, structure, processes of metallurgy and crystallization of metals, equilibrium diagrams of alloys, heat and thermochemical treatment of metals. They will have the basic abilities to do research of material properties and structure, know fundamentals of materials selection for parts and tools, which function under different conditions. They will know selection principles of processes of metals casting, welding and heat treatment;
• Content of the course covers Engineering materials: Properties of materials, Crystallization of metals, Iron-base alloys, Non-ferrous alloys, Powder and composite materials, Non-metal materials; Metallurgy: Materials for production iron-base alloys, Cast iron manufacture, Steel manufacture, Non-ferrous alloys manufacture; Foundry: Sand casting processes, Special casting methods; Metals treatment by pressing; Welding and brazing of metals; Heat treatment of metals.
• Ten grade achievement assessment system is applied. The final grade is the sum of weighted grades of semester tasks and final exam. Semester tasks are assessed by Laboratory examination, Laboratory notes and report, written examination.
• Prerequisites: Fundamentals of materials processing at bachelor study level
• Teaching / Learning Methods - Lectures, Library / information retrieval tasks; Practical exercises (tasks), Laboratory classes and discussions
  

1.2 Mechanics of Materials (6 ECTS)

• Main aim of the course is to develop understanding of strength, rigidity and stability of materials, to learn to evaluate mechanical properties of materials, their determination methods and technique. To acquire abilities to set relation between stresses and strain in different cases of deformation, to apply acquired knowledge to solve tasks in cases of simple deformations
• On completion of the course a student will be able to evaluate the mechanical state for stress and strain in material, will have the main knowledge about strength, rigidity and stability of materials and abilities and skills to apply acquired knowledge for solving tasks for simple deformation. Abilities are acquired to estimate stress and strain state for complex loading.
• Content of the course covers Basic concepts and definitions: Definitions hypothesis, load classification and method of section, Stress and strain, Geometric characteristics of cross- 2 section; Mechanical material properties: Methodology for evaluation of material properties. Stress - strain diagrams, Material strength, plasticity, elasticity, hardness, creep and their characteristics; Cases of deformation: Tension-compression, Torsion, Shear and bearing, Bending, Strain energies; Stability: Euler equation, Calculation of stability for buckling beams. Critical load and stress for beams with large and small value of slenderness, Stress and strain state, Normal and shear stresses, stress and strain tensor, Generalized Hooke`s law, Principal stresses and strength hypothesis.
• Ten grade achievement assessment system is applied. The final grade is the sum of weighted grades of semester tasks and final exam. Semester tasks are assessed by Laboratory examination, Colloquium (interview led by lecturer and / or specialist), individual assignments and final exam is carried out as Written and oral examination
• Prerequisites: Applied mathematics, statics and physics.
• Teaching / Learning Methods - Lectures, Individual Assignments, Laboratory classes, , Practical exercises (tasks)
  

1.3 Fluid Power Systems (3 ECTS)

• Main aim is to provide knowledge and develop skills on the application of circuit diagrams, design principles, calculation, analysis and synthesis of fluid power systems in engineering systems.
• On completion of the course a student will be able to understand fundamentals of the theory and circuitry of hydraulic and pneumatic cyclic, dynamic, servo systems; to analyse and synthesize circuit diagrams of simple fluid power systems, apply the methods of calculation and control of energy, hydraulic, thermal and dynamic parameters of FPS, to demonstrate the skills in selecting of standardized elements for FPS.
• Content of the course covers SPECIFIC ELEMENTS OF FLUID POWER SYSTEMS (FPS): Leak-tight joints and sealing devices of FPS, Fluid amplifiers, Diaphragm type and fluidic control elements of FPS; FUNDAMENTALS OF THEORY AND CIRCUITRY of FPS: Methods of automatic switchover of driven unit velocity, Principles of synchronization of several actuators, working in series or in parallel, Methods of control of velocity and force (torque), generated by hydraulic cylinder or motor, Principles of application of hydraulic accumulators, Hydraulic servo drives with analogous and digital control, The basics of analysis and development of circuit diagrams of simple FPS, Principles of calculation of main energetic, hydraulic, thermal and dynamic parameters of FPS; DYNAMIC FLUID POWER SYSTEMS: Fluid couplings, Torque converters; RELIABILITY, TECHNICAL DIAGNOSTICS AND MAINTENANCE OF FPS.
• Prerequisites: Physics (Mechanics), Mathematics, statics, kinematics, dynamics, Applied fluid mechanics.
• Ten grade achievement assessment system is applied. The final grade is the sum of weighted grades of semester tasks and project defence and written examination. Semester tasks are assessed by individual assignments and project defence test.
• Teaching / Learning Methods - Group work, Laboratory classes, Lecture, Practical exercises (tasks), Simulation (engineering, technology or process simulation)
  

1.4 Computer Numerical Control Programming (6 ECTS)

• Main aim is o provide fundamental knowledge in CNC machine tools and machining centres; to develop basic skills in CNC machine tools programming, application of G- code and manual interactive programming methods for machining,
• On completion of the course a student will be able to write simple part programs, perform setup, operation and simulation of computerized numerical control lathes, mills and machining centres.
• Content of the course covers History and Modern CNC machine tools, Structure of CNC Machine-tools and Multifunctional machining equipment, Zero and reference points on CNC machine tools, Tool selection and compensation for CNC machining, NC programming standards, Structure of an NC program, Operation codes (M and G codes), Sub programmes and macro programs, Programming of functions of technological operation, Programming of miscellaneous functions, Machining cycles programming, Manual programming, Turning programming on CNC lathe, Machining programming on CNC milling machine be able to write simple part programs, perform setup, operation and simulation of computerized numerical control lathes, mills and machining centres.
• Ten grade achievement assessment system is applied. The final grade is the sum of weighted grades of semester tasks and final exam. Semester tasks are assessed by, Individual tasks, Laboratory notes and report, Laboratory examination, and final session time examination.
• Prerequisites: Fundamentals of engineering mechanics and engineering materials, basic drafting techniques and CAD
• Teaching / Learning Methods - Lecture, Discussion, Laboratory classes, Practical exercises (tasks)

1.5 Semester Project (9 ECTS)

• Main aim is to develop key competence in design of mechanical systems and application of manufacturing technologies, taking into account static and dynamic workloads, properties of materials, manufacturing technologies,#
• On completion of the course a student will know fundamental design methodology; be able to formulate problems of machine design for application product and processes development, carry out design of of mechanical subsystem for functional performance in an integrated engineering system. Select manufacturing processes for original parts, develop assembly technology.
• Content of the course covers machine design methodology, conceptual scheme development based on engineering and economic principles, selection of optimal functional parameters, selection of manufacturing technologies and development of assembly processes; Methods of computer aided manufacturing
• Prerequisites: core subjects of engineering, basic sketching techniques, Basic knowledge of Measurement techniques and Engineering materials Fundamantals of machine element and component design.
• Ten grade achievement assessment system is applied. The final grade is the sum of weighted grades of semester tasks and project defense. Semester tasks are assested by individual assignments, Project report while project defense is assisted by project presentation.
• Teaching / Learning Methods - Case analysis, Individual project, Library / information retrieval tasks, Practical exercises (tasks)