ME308 MACHINE ELEMENTS II
| Course Code: | 5690308 |
| METU Credit (Theoretical-Laboratory hours/week): | 3 (3.00 - 0.00) |
| ECTS Credit: | 5.0 |
| Department: | Mechanical Engineering |
| Language of Instruction: | English |
| Level of Study: | Undergraduate |
| Course Coordinator: | Lecturer Dr. GÖKHAN OSMAN ÖZGEN |
| Offered Semester: | Spring Semesters. |
Course Objectives
1) Students will be able to analyze and design sliding bearings.
2) Students will be able to select rolling element bearings for a given application.
3) Students will be acquainted with the basic features of prime movers and the means of power transmission commonly used in mechanical engineering.
4) Students will be acquainted with the terminology, geometry and basic kinematic concepts associated with gearing.
5) Students will be able to analyze and design main types of gears.
6) Students will be able to analyze and design couplings, brakes and clutches.
7) Students will be able to analyze and design flexible power transmission systems.
8) At the end of this course, students will be able to improve their technical report writing skills.
9) At the end of this course, students will acquire experience in using and obtaining information from engineering documents.
Course Content
Power transmission; prime mover characteristisc and types. Design of gear drives; spur gears, helical gears, bevel gears, worm gears.Friction, wear and lubrication; systems of lubrication. Antifriction bearings; types, selection criteria and calculation procedure. Design of sliding bearings; journal and thrust bearings.Design of couplings, clutches and brakes. Design of belt drives; flat belts, v-belts. Design of chain drives and rope drives.
Course Learning Outcomes
- Identify different types of friction, wear, lubrication, lubrication systems and bearings.
- Recognition of the thermal and the fluid mechanics aspects underlying the design of sliding bearings.
- Ability to identify design variables and performance factors in the study of sliding bearings.
- Ability to use the relations between design variables and performance factors to analyze a sliding bearing and to design optimum sliding bearings.
- Identify different types of rolling element bearings, their basic features, related terminology and designations.
- Knowledge of basic concepts governing the selection of rolling bearings such as failure types, life, load ratings and equivalent loads.
- Knowledge on issues such as mounting, lubrication, sealing, etc. of rolling bearings.
- Ability to select the most appropriate rolling bearing for given loading conditions.
- Identify performance characteristics and some basic features of selected prime movers, emphasizing electric motors.
- Identify different types, advantages and disadvantages of power transmission systems such as mechanical, hydraulic, electrical, etc.
- Knowledge on classifications of mechanical power transmission systems.
- Ability to use relationships between power, torque, rotational speed, speed ratio and efficiency to solve problems about power transmission systems.
- Knowledge on gear types , gear terminology and gear manufacturing methods.
- Ability to calculate the fundamental quantities related with gear geometry.
- Ability to explain fundamental law of gearing.
- Ability to explain and predict interference and methods of its elimination.
- Ability to analyze gear forces.
- Ability to explain the tooth failure types.
- Ability to apply AGMA and/or another well established approach to analyze and/or design selected types of gears.
- Identify, evaluate and compare the functions of different types of couplings, brakes and clutches.
- Ability to analyze and design couplings.
- Ability to analyze and design brakes.
- Ability to analyze and design clutches.
- Identify, evaluate and compare the functions of different types of flexible power transmission systems.
- Ability to analyze, design and select belt drive systems.
- Ability to analyze, design and select chain drive systems.
- Ability to justify a design project in a formal report.
- Ability to perform and present design calculations in a neat and organized manner.
- Ability to present the outcomes of the design in the form of engineering drawings.
- Ability to develop a knowledge of and capabilities for the selection of standard items from manufacturers' catalogs
Program Outcomes Matrix
| Contribution | |||||
| # | Program Outcomes | No | Yes | ||
| 1 | Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications. | ✔ | |||
| 2 | Ability to find and interpret information | ✔ | |||
| 3 | Ability to follow the literature and technology related to his/her topic of interest | ✔ | |||
| 4 | Recognition of the need to keep oneself up to date in his/her profession | ✔ | |||
| 5 | Possession of written and oral communication skills | ✔ | |||
| 6 | Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary) | ✔ | |||
| 7 | Ability to produce original solutions | ✔ | |||
| 8 | Use of scientific methodology in approaching and producing solutions to engineering problems and needs | ✔ | |||
| 9 | Openness to all that is new | ✔ | |||
| 10 | Ability to conduct experiments | ✔ | |||
| 11 | Ability to do engineering design | ✔ | |||
| 12 | Awareness of engineering ethics, knowledge and adoption of its fundamental elements | ✔ | |||
| 13 | Ability to take societal, environmental and economical considerations into account in professional activities | ✔ | |||
| 14 | Possession of pioneering and leadership characteristics in areas related to the profession | ✔ | |||