Hiroshima University Syllabus

Back to syllabus main page
Academic Year 2023Year School/Graduate School School of Engineering
Lecture Code K5315010 Subject Classification Specialized Education
Subject Name 要素設計I
Subject Name
Subject Name in
Machine Elements Design I
イバラキ ソウイチ
Campus Higashi-Hiroshima Semester/Term 2nd-Year,  Second Semester,  3Term
Days, Periods, and Classrooms (3T) Mon5-8:ENG 220
Lesson Style Lecture Lesson Style
(More Details)
The lecture will be in Japanese, but the slides will be available both in Japanese and English. 
Credits 2.0 Class Hours/Week   Language of Instruction B : Japanese/English
Course Level 2 : Undergraduate Low-Intermediate
Course Area(Area) 25 : Science and Technology
Course Area(Discipline) 09 : Mechanical Engineering
Eligible Students 2nd year (and senior) undergraduate students in Cluster 1, School of Engineering
Keywords Mechanical elements, design, stress, material strength, allowable stress, standards, screw, key, spring, shaft, bearing, transmission. 
Special Subject for Teacher Education   Special Subject  
Class Status
within Educational
(Applicable only to targeted subjects for undergraduate students)
Criterion referenced
(Applicable only to targeted subjects for undergraduate students)
Program of Mechanical Systems Engineering
(Abilities and Skills)
・Acquring basis of mechanical system engineering steadily and developing the applied skill.

Program of Material Processing
(Abilities and Skills)
・Acquiring basis of mechanical system, material creation and processing engineering steadily, and being able to apply

Program of Energy Transform Engineering
(Abilities and Skills)
・Acquring basis of mechanical system engineering steadily and developing the applied skill. 
Class Objectives
/Class Outline
Machines in our society are made of small mechanical parts. Mechanical parts such as screws, keys, springs, shafts, bearings, and power transmissions are included in virtually all mechanical machines. It is important for mechanical engineers to understand their role, structure, performance and design. Full understanding requires the knowledge in material mechanics, elastic mechanics, material science, heat treatment, machining, kinematics, tribology (lubrication) and mechanical dynamics.  This lecture first teaches the fundamental in mechanical elements design, such as the stress, the stress concentration, and tolerances. Then, fundamental mechanical elements, such as screws, keys, springs, shafts, bearings, and power transmissions are lectured.  
Class Schedule Class 1 Outline.
Class 2 Basics (materials, stress and strain).
Class 3 Basics (stress and strength).
Class 4 Basics (stress concentration and fatigue).
Class 5 Basics (tolerance and fitness). Report #1 to be handed out (tentative).
Class 6 Basics (surface roughness), Screw #1 (types of screw)
Class 7 Screw #2 (efficiency and strength)
Class 8 Screw #3 (design of screw,threaded fasteners)
Class 9 Rivets, pins, press fit and weld joint.
Class 10 Springs #1 (design of compression coil spring)
Class 11 Springs #2 (various springs). Report #2 to be handed out (tentative).
Class 12 Shafts #1 (shafting elements, strength design of shaft)
Class 13 Shafts #2 (torsion of shaft and shaft coupling).
Class 14 Bearings.
Class 15 Power-rotation transmitting elements (belts and chains).

A quiz is given at the end of every class for checking class attendance.
A term-end exam. 3 reports (tentative).
Text book:
倉西正嗣 監修「大学課程 機械要素設計 第3版」オーム社
・塚田忠夫、舟橋宏明、野口昭治「First Stageシリーズ 機械設計入門」実教出版
・林 洋次 (監修)「First Stageシリーズ 機械要素入門1」実教出版
PC or AV used in
(More Details) Textbook, handouts, visual aids (Video/PC/Others)  
Learning techniques to be incorporated  
Suggestions on
Preparation and
The reports will be issued to review the lectures.  
Grading Method A quiz, or a short report, will be issued in every class. Students are required to submit it at the end of each class.
Grades are tentatively based on the term-end examination (60%), reports (20%), and quizzes (20%). Should meet the minimum requirement for the number of the quizzes taken. 
Practical Experience  
Summary of Practical Experience and Class Contents based on it  
Other Online anonymous poll service will be used in the class. Please bring a PC or a smartphone with wi-fi connection. Class slides will be available by each class on moodle  
Please fill in the class improvement questionnaire which is carried out on all classes.
Instructors will reflect on your feedback and utilize the information for improving their teaching. 
Back to syllabus main page