Course Objectives: |
To teach concepts related to the basic functions of machine parts and to provide information about machine parts. To understand the construction activity and the role of machine elements in this activity. To teach the principles of calculation, shaping and use of machine elements.
In solving engineering problems; To gain competence in the design, analysis and selection methods of machine elements. |
Course Content: |
1- Introduction to Mechanical Engineering design, 2-Materials, 3-Load and stress analysis, 4-collapse and stiffness, 5-Fractures due to static loading, 6-Fatigue fractures due to variable loading, 7-Shafts and shaft components, 8- Design of screws, fasteners and removable fasteners, 9-Design of welding, joining (gluing etc.) and permanent fasteners; 10-Mechanical springs |
Week |
Subject |
Related Preparation |
1) |
INTRODUCTION, Meaning of design, Mechanical engineering design, Phases of design, |
Course Notes |
2) |
Factors to be taken into consideration in design: safety coefficient, codes and standards, economic factors, reliability, occupational safety, product liability, basic units, and rules. |
Course Notes |
3) |
MATERIALS;LOAD AND STRESS ANALYSIS; Determining stress concentration factor, Stress concentration factor diagrams, Stress concentration and static loads |
Course Notes |
4) |
DESIGN FOR STATIC RESISTANCE; Static strength, stress concentration, fracture theories, Maximum normal stress theory, Maximum shear stress theory, strain theory, |
Course Notes |
5) |
Coulomb-Mohr theory, Maximum-Normal-stress theory for brittle materials, Modified Mohr theory, Fracture of brittle materials, Selection of fracture criteria. |
Course Notes |
6) |
Introduction to fracture mechanics, stress state within the crack, critical stress concentration factor, fracture toughness factor, sample problems |
Course Notes |
7) |
DESIGN FOR FATIGUE RESISTANCE; Introduction, approach to fatigue fracture analysis and design, fatigue life methods, fatigue strength. |
Course Notes |
8) |
Midterm Exam |
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9) |
Characteristics of variable stresses, fatigue failure criteria for variable stresses, torsional fatigue strength, stresses under combined loading, cumulative fatigue failure, surface fatigue strength. |
Course Notes |
10) |
SHAFT AND SHAFT EQUIPMENT; Shaft materials, shaft forming, shaft design under stresses, principles to be considered for shaft deflection/collapse, critical speed, shaft elements, fits and tolerances. |
Course Notes |
11) |
Midterm Exam 2 |
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12) |
DESIGN OF SCREWS, BOLTS AND FASTENERS; Screw standards and definitions, Power screw mechanics, threaded fasteners, connection-bolt stiffness, fastener stiffness, bolt strength |
Course Notes |
13) |
Tensile load connections, Relating bolt torque to bolt strength, statically loaded-prestressed tensile connections, sealing connections, fatigue loaded-prestressed tension connections, |
Course Notes |
14) |
Bolted and riveted connections. Riveted connections under shear (torsional) loads, sample problem solutions, |
Course Notes |
15) |
WELDED AND GLUED CONNECTIONS; Welding, butt and fillet welding, Stresses in welded joints under torsional load, Stresses in welded joints under bending load, Strength of welded joints, Static and fatigue loading, Resistance welding, Adhesive joints |
Course Notes |
16) |
Final Exams |
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17) |
Final Exams |
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Program Outcomes |
Level of Contribution |
1) |
Adequate knowledge in mathematics, science and engineering subjects pertaining to the relevant discipline; ability to use theoretical and applied knowledge in these areas in complex engineering problems. |
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2) |
Ability to identify, formulate, and solve complex engineering problems; ability to select and apply proper analysis and modelling methods for this purpose. |
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3) |
Ability to design a complex system, process, device or product under realistic constraints and conditions, in such a way as to meet the desired result; ability to apply modern design methods for this purpose. |
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4) |
Ability to devise, select, and use modern techniques and tools needed for analysing and solving complex problems encountered in engineering practice; ability to employ information technologies effectively. |
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5) |
Ability to design and conduct experiments, gather data, analyse and interpret results for investigating complex engineering problems or discipline specific research questions. |
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6) |
Ability to work efficiently in intra-disciplinary and multi-disciplinary teams; ability to work individually. |
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7) |
Ability to communicate effectively in Turkish, both orally and in writing; knowledge of a minimum of one foreign language; ability to write effective reports and comprehend written reports, prepare design and production reports, make effective presentations, and give and receive clear and intelligible instructions. |
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8) |
Recognition of the need for lifelong learning; ability to access information, to follow developments in science and technology, and to continue to educate him/herself. |
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9) |
Consciousness to behave according to ethical principles and professional and ethical responsibility; knowledge on standards used in engineering practice. |
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10) |
Knowledge about business life practices such as project management, risk management, and change management; awareness in entrepreneurship, innovation; knowledge about sustainable development. |
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11) |
Knowledge about the global and social effects of engineering practices on health, environment, and safety, and contemporary issues of the century reflected into the field of engineering; awareness of the legal consequences of engineering solutions |
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