Machine Elements I

Course Code:

ME 343

Course Period:

Autumn

Course Type:

Core

Credits:

3

Theoric:

2

Practice:

2

Laboratory Hour:

0

ECTS:

5

Prerequisite Courses:

Strength of Materials

Course Language:

English

Courses given by:

Namik Çıblak

Course Objectives:

This class is a continuation of ME 246 (Strength of Materials). The main objective of this course is to teach modern and classical approaches to design of standard and common mechanical components. In this class students learn about applications of knowledge of statics, dynamics, strength of materials, introductory fluid mechanics, heat transfer, and design theories to particular mechanical components. This course makes the student able to perform analyses of standard mechanical components, select satisfactory components to be used in particular design cases, obtain an introductory perspective on the overall design of complex mechanical subsystems. A more important result is to develop skills, understanding, and methods that can be used in the design of any mechanical element, including those not covered in this class.

Course Content:

Introduction to mechanical engineering design. Materials. Load and stress analysis, stress concentrations. Deflection and stiffness. Failure of ductile and brittle materials under static loading. Failure of ductile and brittle materials under variable loading. Shafts and shaft components.

Course Methodology:

1: Lecture, 2: Problem session, 3: Homework,4: Project, 11: Demonstration

Course Evaluation Methods:

A: Written exam, C: Homework, H: Attendance record

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Course Learning Outcomes

Course Learning Outcomes	Program Learning Outcomes	Teaching Methods	Assessment Methods
1) Ability to construct a design strategy for common mechanical elements.	1	1,2,3,4	A,C,D,H
2) Ability to perform strain and stress analysis, introductory fluid dynamics analysis in mechanical components and relate design variables with the strength and the cost of the component.	1	1,2,3,4	A,C,D,H
3) A good understanding of roles of mechanical components in functioning machines.	1,2	1,4,11	H,G
4) Ability to perform analysis of shafts, permanent and non-permanent joints, springs, bearings, lubrication, gears, clutches, breaks, couplings and flywheels and flexible mechanical systems.	1,2	1,2,3,4	A,C,D,H
5) Gaining a perspective on the overall design of complex mechanical subsystems.	1,2	1,4,11	A,C,D,H

Course Flow

COURSE CONTENT
Week	Topics	Study Materials
1	Introduction to Mechanical Design	Textbook
2	Introduction to Mechanical Design	Textbook
3	Materials	Textbook
4	Materials	Textbook
5	Deflection and Stiffness Midterm exam 1.	Textbook
6	Load and Stress Analysis	Textbook
7	Load and Stress Analysis	Textbook
8	Deflection and Stiffness	Textbook
9	Deflection and Stiffness	Textbook
10	Failures Resulting from Static Loadings	Textbook
11	Failures Resulting from Static Loadings	Textbook
12	Fatigue Failure Resulting from Variable Loading	Textbook
13	Fatigue Failure Resulting from Variable Loading	Textbook
14	Shafts and Shaft Components	Textbook

Recommended Sources

RECOMMENDED SOURCES
Textbook	Shigley’s Mechanical Engineering Design, Budynas & Nisbett, 8.ed, SI Edition, McGraw-Hill.
Additional Resources

Assessment

ASSESSMENT
IN-TERM STUDIES	NUMBER	PERCENTAGE
In-term exams	2	30
Project	1	25
Attendance	56 class hrs	5
Total		100
CONTRIBUTION OF FINAL EXAMINATION TO OVERALL GRADE		40
CONTRIBUTION OF IN-TERM STUDIES TO OVERALL GRADE		60
Total		100

Course’s Contribution to Program

COURSE'S CONTRIBUTION TO PROGRAM
No	Program Learning Outcomes		Contribution
No	Program Learning Outcomes	NA	1	2	3	4	5
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.	X
2	Ability to identify, formulate, and solve complex engineering problems; ability to select and apply proper analysis and modeling methods for this purpose.	X
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.	X
4	Ability to devise, select, and use modern techniques and tools needed for analyzing and solving complex problems encountered in engineering practice; ability to employ information technologies effectively.	X
5	Ability to design and conduct experiments, gather data, analyze and interpret results for investigating complex engineering problems or discipline specific research questions.	X
6	Ability to work efficiently in intra-disciplinary and multi-disciplinary teams; ability to work individually.	X
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.	X
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.	X
9	Consciousness to behave according to ethical principles and professional and ethical responsibility; knowledge on standards used in engineering practice.	X
10	Knowledge about business life practices such as project management, risk management, and change management; awareness in entrepreneurship, innovation; knowledge about sustainable development.	X
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.	X
12	Ability to work professionally in both thermal and mechanical systems areas, including design and realization.	X
13	Ability to verify and validate numerical solutions to engineering problems.	X

ECTS

ECTS ALLOCATED BASED ON STUDENT WORKLOAD BY THE COURSE DESCRIPTION
Activities	Quantity	Hrs per Quantity	Total Workload (Hour)
Course Duration (12.5 weeks excluding 1.5 weeks for exams)	12.5	4	50
Off-the-classroom study (pre-study, practice for 14 weeks)	14	4	56
In-term exams	2	2	4
Homework	5	2	10
Final examination	1	3	3
Total Work Load			123
Total Work Load / 25 (h)			4.92
ECTS Credit of the Course			5

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Machine Elements I

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