ME351 Machine Elements I

5 ECTS - 3-0 Duration (T+A)- 5. Semester- 3 National Credit

Information

Code ME351
Name Machine Elements I
Term 2022-2023 Academic Year
Semester 5. Semester
Duration (T+A) 3-0 (T-A) (17 Week)
ECTS 5 ECTS
National Credit 3 National Credit
Teaching Language İngilizce
Level Lisans Dersi
Type Normal
Mode of study Yüz Yüze Öğretim
Catalog Information Coordinator Prof. Dr. NECDET GEREN
Course Instructor Prof. Dr. NECDET GEREN (A Group) (Ins. in Charge)


Course Goal / Objective

The main aim of this lecture is to teach the basics of machine design, including the design process, failure prevention under static and variable loading.

Course Content

1-Introduction to Mechanical Engineering Design, 2-Materials, 3 -Load and Stress analysis 4 -Deflection and Stiffness, 5- Failures resulting from static loading, 6- Fatigue Failures resulting from variable loading, 7- Shafts and Shaft Components, 8- Screws, Fasteners and the Design of Non permanent Joints, 9- Welding, Bonding, and the Design of permanent joints, 10- Mechanical springs

Course Precondition

non

Resources

Shigley's Mechanical Engineering Design, version 8/e onwards (versions 9,10/e) Richard G. Budynas, J. Keith Nisbett

Notes

Fund. Of. Mach. Elem. B.J. HAMROCK Engineering Design, George E. Dieter, Mc-Graw Hill


Course Learning Outcomes

Order Course Learning Outcomes
LO01 Knows machine design process and its steps.
LO02 Applies factor of safety and Knows safety philosophy and applies it in design.
LO03 Determines the stresses and defeclections on machine members subjected to single, 3D or combined loading.
LO04 Knows static and fatigue failure theories and applies these to design machine members to prevent failures resulting from static or variable loading.
LO05 Designs shafts and shaft components considering both deflection and stresses. Determines limits and fits for mating parts.
LO06 Designs power screws for various needs.
LO07 Selects suitable fasteners for all types of connections.
LO08 Designs nonpermanent joints subjected to static and variable loading with preload.
LO09 Selects the suitable connections for permanent joints.
LO10 Designs and analysis permanent joints made using arc and resisting welding, bonding etc.


Relation with Program Learning Outcome

Order Type Program Learning Outcomes Level
PLO01 Bilgi - Kuramsal, Olgusal Student become equipped with the basic knowledge of math, science and engineering 4
PLO02 Bilgi - Kuramsal, Olgusal Students gain a command of basic concepts, theories and principles in mechanical engineering 5
PLO03 Bilgi - Kuramsal, Olgusal Students are able to design and carry out experiments in the basic fields of mechanical engineering, and interpret the results and the data obtained from the experiments 1
PLO04 Bilgi - Kuramsal, Olgusal Students become equipped with a variety of skills and knowledge regarding engineering techniques 4
PLO05 Bilgi - Kuramsal, Olgusal Students are able to design a system, component or process in order to meet the needs of various engineering problems within technical, economic, environmental, manufacturability, and sustainability limits. 3
PLO06 Bilgi - Kuramsal, Olgusal Students independently review and learn the applications in an enterprise, make a critical assessment of the problems faced with, formulate problems and propose solutions by selecting the proper technique
PLO07 Bilgi - Kuramsal, Olgusal Students take initiative in identification, design, development and use of a product or production process. 4
PLO08 Beceriler - Bilişsel, Uygulamalı Students become aware of the necessity of lifelong learning and continuously self-renew 2
PLO09 Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği Students use English effectively for technical or non-technical topics orally or in wirtten form. 5
PLO10 Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği Students become effective in using computer, computer-aided drafting, design, analysis, and presentation
PLO11 Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği Students have good communicatino skills with a tendency to work in teams, and are able to work effectively as a member of an interdisciplinary team
PLO12 Yetkinlikler - Öğrenme Yetkinliği Students become aware of the technical and ethical responsibilities, as well as being inquisitive and innovative 2


Week Plan

Week Topic Preparation Methods
1 INTRODUCTION, The meaning of Design, Mechanical Engineering Design, The Phases of Design, Shigley's book (Referans Book) Chapter 1 Öğretim Yöntemleri:
Anlatım
2 Design Considerations, Factor of safety, Codes and Standards, Economics, Reliability, Safety and Product Liability, Units, Rules for Use of SI Units Shigley's book (Referans Book) Chapter 1 Öğretim Yöntemleri:
Anlatım
3 MATERIALS; LOAD AND STRESS ANALYSIS Determination of Stress Concentration Factors, Stress concentration Charts, stress concentration and static loads Study Chapters 2, 3, and 4. in Shigley's book (Referans book). Some axamples are gieven as homework. Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama
4 DESIGN FOR STATIC STRENGTH; Static strength,stress concentration, Failure theories, Maximum normal stress theory, Maximum shear stress theory, Distortion energy theory Shigley's book (Referans Book) Chapter 5 Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
5 Coulomb-Mohr theory, Maximum-Normal-stress theory for brittle materials, modification of the Mohr theory, failure of brittle materials, Selection of failure criteria Shigley's book (Referans Book) Chapter 5 Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
6 Introduction to Fracture Mechanics, Stress State in a Crack, Critical Stress Intensity Factor, Fracture Toughness Factors, example problem solutions Shigley's book (Referans Book) Chapter 5, homework Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
7 DESIGN FOR FATIGUE STRENGTH; Introduction, Approach to fatigue failure in analysis and design, Fatigue llife methods, The endurance limit, Shigley's book (Referans Book) Chapter 6 homework Öğretim Yöntemleri:
Anlatım, Soru-Cevap, Alıştırma ve Uygulama, Problem Çözme
8 Mid-Term Exam Shigley's book (Referans Book) Chapter 6 homework Ölçme Yöntemleri:
Yazılı Sınav
9 Characterizing fluctuating stresses, fatigue failure criteria for fluctuating stress, Torsional fatiue strength, Stress due to combined loading, Cumulative fatigue damage, Surface fatigue strength Shigley's book (Referans Book) Chapter 6, homework assigment Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
10 SHAFT AND SHAFT COMPONENTS; Shaft materials, shaft layout, Shaft design for stress, Deflection considerations,Critical speeds for shafts, Misc. Shaft components, limits and fits Shigley's book (Referans Book) Chapter 7, homework assigment and the term project Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Proje Temelli Öğrenme
11 MIDTERM EXAM Repeat the sections including the last chapter, grasp the teories and approaches, solve problems. Ölçme Yöntemleri:
Yazılı Sınav
12 THE DESIGN OF SCREWS, FASTENERS, AND CONNECTIONS; Thread Standards and Definitions, The Mechanics of Power Screws, Threaded Fasteners, Joints-fasteners stiffness, joints member stiffness, Bolt strength Shigley's book (Referans Book) Chapter 8, homework assigment Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
13 Tension joints, Relating bolt torque to bolt tension, statically loaded tension joints with preload, Gasketed joints, Fatigue loading of tension joint Shigley's book (Referans Book) Chapter 8, homework assigment Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
14 Bolted and Riveted Joints Loaded in Shear, Example problem solutions, Shigley's book (Referans Book) Chapter 8, homework assigment Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
15 WELDED BRAZED AND BONDED JOINTS; Welding, Butt and Fillet welds, Streses in welded joints in Torsion, Streses in welded joints in Bending, The Strength of welded joints, Static and fatigue loading, Resistance welding, Bonded joints Shigley's book (Referans Book) Chapter 9, Homework assignment Öğretim Yöntemleri:
Anlatım, Alıştırma ve Uygulama, Problem Çözme
16 Term Exams Prepare yourself for final exam Ölçme Yöntemleri:
Yazılı Sınav
17 Term Exams Prepare yourself for final exam Ölçme Yöntemleri:
Yazılı Sınav


Student Workload - ECTS

Works Number Time (Hour) Workload (Hour)
Course Related Works
Class Time (Exam weeks are excluded) 14 3 42
Out of Class Study (Preliminary Work, Practice) 14 3 42
Assesment Related Works
Homeworks, Projects, Others 0 0 0
Mid-term Exams (Written, Oral, etc.) 1 12 12
Final Exam 1 18 18
Total Workload (Hour) 114
Total Workload / 25 (h) 4,56
ECTS 5 ECTS

Update Time: 16.11.2022 01:19