Machine Elements II

level of course unit

First cycle, Bachelor

Learning outcomes of course unit

he students are able to:
• Identify the structure and function of axes and shafts, dimension them and support them in rolling and plain bearings.
• Knowing the design and function of rolling bearings and hydrodynamic plain bearings, as well as select and dimension them.
• Know the design and function of different sealing elements, select and dimension them.
• Know the design and mode of operation of elastic springs, select and dimension them.
• Know the design and mode of operation of clutches and brakes, select and dimension them accordingly.
• Know the design and function of belt drives, select and dimension them.
• Know the design and mode of operation of gear units, select and dimension them.
• Analyze and calculate dimensional tolerances and fits.
• Read and interpret form and position tolerances.
• Distinguish and calculate stress types on machine parts.
• Determine static and dynamic strength values.
• Calculate detachable and non-detachable connections such as adhesive, soldered, welded, screw, stud and pin connections.
• Solve dimensioning problems for shaft-hub connections, axles and shafts.
• Design springs and spring systems.
• Apply the basic terms of bearing technology and calculate the bearings
• Calculate belt and gear drives

prerequisites and co-requisites

not applicable

course contents

EElements for supporting and carrying machine components and for torque transmission:
• Functions and design rules as well as calculation bases for axes and shafts
• Design fundamentals and calculation bases of hydrodynamic plain bearings
• Bearing types, areas of application, bearing concepts and calculation bases for rolling bearings Elements for sealing machine components
Elastic springs:
• Spring types, design rules and calculation bases for springs
Clutches and brakes:
• Design, functions, mode of operation and calculation bases of selected clutch and brake types
Belt drives:
• Design principles and calculation bases for flat and V-belt drives and timing belt drives
Gear drives:
• Gear types and design, gearing law, design and calculation bases for straight, helical, bevel and helical gears