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DME3052: Machine Elements
Design
1. Class information
• Class Year and semester: 2017, FALL semester
• Course No. : DME3052
• Course title: Machine Elements Design
• Credit-Lecture Hour-Practice Training: 3.00-2.00-2.00
• Course outline: Two 120-minute lectures/week
• Organizing Department: Mechanical Engineering (ERICA)
2. Instructor information
• Name: Dr. Keun Ryu
• Department: Mechanical Design Engineering
• Email: kryu@hanyang.ac.kr
• Web: http://turbolab.hanyang.ac.kr/DME3052.html
• Office hours: By scheduled appointment (E-mail in advance required)
• About office hours: This is to encourage individual interaction between
the students and the instructor. Students should prepare by organizing
questions in advance.
3. Course objective
To provide the fundamental and practical theory and knowledge on design
method, analysis and modeling of bearings, gears, and springs.
4. Course Description:
Learn fundamental theory and knowledge on mechanical elements and design
processes and methodologies for bearings, gears, and springs. Case studies
will be provided throughout the course.
Prerequisites: DME3051 Mechanical Design, CSE4020 Computer Graphics,
MEE1002 Computer Aided Draft And Design (and MEE3007 Fluid Dynamics)
Group Design Project (Three~four students/team)
Groups will complete a project related to topics
presented and discussed in class and based on references. Students will
select a topic of your interest, in particular a field of rotor-bearing-gear
systems. Group members will assess each member of the team and themselves on
various performance characteristics including on time participation,
contribution to group goals, attendance and participation. The ratings will
be combined to give a grade to each student in the group.
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References for your projects:
Fluid
film bearing design considerations
Tribology Handbook
Applied
Tribology: Bearing Design and Lubrication, 2nd Edition
5.
Textbook
Robert C.
Juvinall, Fundamentals of Machine Component Design, 5th Edition, Wiley,
ISBN-13: 978-1118012895, ISBN-10: 1118012895
6. Reference
Robert L. Norton, Machine Design, An Integrated Approach (4th edition),
Prentice Hall, ISBN-10: 0136123708
J. E. Shingley, Mechanical Design Engineering,
McGraw-Hill, 9 edition, ISBN-10: 0073529281
7. Grading
Homework/Design Project (15%), Mid-term Exam (40%), Final Exam (40%),
Attendance (5%).
Attendance to the lectures is a must for success.
8. Lecture material and topics
• Week 1: Introduction to Machine
Elements Design
Assignment (Tentative):
Download
Assignment:
Download
How It's
Made Nuts and bolts
Multifunctional Wedge-Lock Washers
• Week 2: Chap. 12 Springs
How It's
Made Springs
How It's
Made - Leaf Springs
Wave Springs:
https://www.youtube.com/user/SmalleySteelRing
HYU
TurboLab Tour (Sep. 14, 2017)
Small
group talk with Graduate Students at HYU Turbolab: 20 min. for each group
Group 1 (Special topic: High speed spindles & Externally
pressurized air bearings)
Group 2 (Special topic: Microturbines & Rotordynamics)
Group 3 (Special topic: Oil-free turbomachinery & Foil
bearings)
Group 4 (Special topic: Turbochargers/Aircraft gas turbines
& Squeeze film dampers)
Group 5 (Special topic: Electrically assisted rotating
machinery & Rigid geometry air bearings)
Group 6 (Special topic: Rocket Engine Turbopumps &
hydrostatic Bearings)
5 Why
--> https://youtu.be/U3w_eIa7Eq0
https://en.wikipedia.org/wiki/5_Whys
• Week 3: Chapter 13 Lubrication and Sliding Bearings
• Week 4: Chapter 13 Lubrication
and Sliding Bearings
• Week 5:
Chapter 13 Lubrication and Sliding Bearings.
• Week 6: Chapter 14
Rolling-Element Bearings
• Week 7:
Chapter 14 Rolling-Element Bearings
• Week 8: Mid-term Exam
• Week 9: Chapter 15 Spur gear
How It's Made - GEARS
Gears manufacturing methods
Gear and Wheels Part 1 &
Gear and Wheels Part 2
How a watch works
Further reading materials
https://en.wikipedia.org/wiki/Gear
Gears Steer New Engine Designs
• Week 10: Chapter 16 Helical, Bevel,
and Worm Gears
How Differential Gear works
HOW IT WORKS- Planetary Gears
• Week 11:
: Chapter 16 Helical, Bevel, and Worm Gears
• Week 12: Chapter 17 Shafts and
Associated Parts
• Week 13: Chapter 17 Shafts and
Associated Parts
• Week 14:
Presentation of group design projects
• Week 15:
Presentation of group design projects
• Week 16: Final
Exam
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