BSc in Mechanical Engineering

Course Information Package

Course Unit TitleMACHINE ELEMENTS I
Course Unit CodeAMEM316
Course Unit Details
Number of ECTS credits allocated6
Learning Outcomes of the course unitBy the end of the course, the students should be able to:
  1. Explain general mechanical concepts related to machine elements.
  2. Analyse loads, stresses and deformation. Explain theories about failure and fatigue of machine components.
  3. Calculate machine elements loaded under static or dynamic loading.
  4. Design machine component on shafts. Make calculation for the selection of proper shafts.
  5. Design and calculate bearings. Select proper bearing for machines.
  6. Design and calculate screws and fasteners.
  7. Calculate welds and select proper welding parameters.
  8. Design and calculate cams and flywheels.
Mode of DeliveryFace-to-face
PrerequisitesAMEM219Co-requisitesNONE
Recommended optional program componentsNONE
Course Contents

General concepts on machine design: Stress and strength, stress concentration, Static strength, Plastic deformation.

Static and dynamic loading of machine elements: Fatigue, Theories of failure, Failure prevention, Static and dynamic strength of machine elements.

Shafts: Calculation of shafts, Shaft material and critical speeds, Keys and Couplings.

Rolling and sliding bearings: Bearing types, Calculation of bearing, Lubrication and seals, Bearing load and life, Selection of ball and cylindrical roller bearing, Sliding bearings, materials and applications.

Mechanical connections:  Screws, Fasteners and Connections.

Welded and bonded Joints: Welding symbols, Stresses in welding, Static and fatigue loading, Specification set.

Cams and flywheels: Calculation of cams and flywheels and applications

Laboratory work: Use of special software for calculating and drawing of various machine element (Autocad, 3D Drawings, Advanced assembly, SolidWorks, Simple Drawings and FEM Simulations, Software for machine elements calculations) 

Recommended and/or required reading:
Textbooks
  • Mechanical Engineering Design, Ch. R. Mischke, J. Edward Shigley, McGraw-Hill
  • Fundamentals of Machine Elements, B. J. Hamrock, B. Jacobson, S. R. Scmid, Mcgraw-Hill
References
  • Design of Machine Elements and Machines by Jack A. Collins, George H. Staab, Henry R. Busby, John Wiley & Sons, 2002
  • Machine Design: An Integrated Approach by Robert L. Norton, Robert L Norton, Prentice Hall, 2nd edition, 2000
  • Machine Elements in Mechanical Design by Robert L. Mott, Prentice Hall, 3rd edition, 1998
Planned learning activities and teaching methodsLectures, laboratories and tutorials are used in this subject and assignments are performed to evaluate the students understanding of the subject matter. A description is given at the beginning of the course in order for the students to get enough information on the main subjects of the course.
Assessment methods and criteria
Assignments40%
Final Exam60%
Language of instructionEnglish
Work placement(s)NO