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Machine elements and design of machines

Code

ME-MEM1

Version

2.0

Offered by

Mechanical Engineering

ECTS

5

Prerequisites

MA / ME-MEC2 and MA / ME-TDE1 or similar within stress and deformation theory and technical drawing.

Main purpose

​The purpose of the course is for the student to acquire skills and methods to be able to dimension and design machines

Knowledge

The student will gain knowledge of machine elements and machine design to be able to

  • Explain the theoretical calculation basis for dimensioning of shafts as well as bolted and welded joints.
  • Explain principles of gears, torque conversion and power loss in mechanical transmissions.
  • Explain the parameters that form the basis for dimensioning and selection of machine elements such as screws, bearings, shaft / hub connections, couplings, clutches,  gears, belts and chains in a machine construction.
  • Identify and explain the working principles and technical solutions for designing machines.

Skills

The student who completes the course acquires skills in:

  • Analyze loads, simplify and decide calculation models for dimensioning of machines and machine elements.
  • Calculate, dimension and design shafts, including determining safety against yielding and fatigue.
  • Calculate, dimension and design simple bolt and weld joints.
  • Dimension, select and implement suitable standard machine elements such as bearings, bearings, shaft / hub connections, couplings, clutches, gears, belts and chains for a machine construction.
  • Prepare layout drawing and drawing documentation using geometric tolerances and standard components in CAD.
  • Use Mathcad or equivalent digital tool for calculation documentation.

Competences

After the course, the student must be able to:

  • Set up possible solutions for the design of machine systems, based on specific requirements / criteria and assess which solutions are best suited. Including choosing solutions that ensure minimal environmental impact.
  • Find the necessary knowledge in catalogs and technical literature regarding machine elements/components as well as interpret and apply this knowledge in connection with machine design.
  • In addition, the student will have the competence to develop his or her own knowledge and skills in machine design.

Topics

Teaching methods and study activities

The duration of the course is approx. 12 weeks with 4 lessons per. week. The total work load for the student is rated at 138 hours.
The form of teaching is class teaching with theory review combined with problem solving.
It is expected that the student between the lessons reads the literature used and solves assignments in study groups.
A course assignment is carried out in groups of 2 students as a basis for the oral examination

Resources

​Used litterature:
Fundamentals of Machine Elements
- SI Version
Af Steven R Schmid

Suplementary litterature: 
Ansel C. Ugural: Mechanical Design and Machine Components.

Evaluation

Examination

Prerequisites for exam:
None 

Exam type: 
Oral group exam without preparation based on a course assignment handed in before deadline.
Duration for 2 students approx. 30 min. incl. 5 minute group presentation. Incl. assessment.
Exam counts 100% of the final grade.
Internal censor
 
Tools allowed: 
All

Re-exam:
As ordinary

Grading criteria

​7-point scale

Additional information

Responsible

Valid from

01-08-2023 00:00

Course type

Keywords

Mechanical transmissions, shafts, shaft / hub connections, bearings, couplings, clutches, gears, belts, chains, bolted joints and welded joints.