[ 245MALEMELV20 ] VL Machine Elements

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Workload Education level Study areas Responsible person Hours per week Coordinating university
3 ECTS B2 - Bachelor's programme 2. year (*)Maschinenbau Gudrun Mikota 2 hpw Johannes Kepler University Linz
Detailed information
Original study plan Bachelor's programme Mechanical Engineering 2023W
Objectives Knowledge of most important machine elements regarding function, design and dimensioning. Understanding the relevant physical (mechanics of solid and fluid materials) technical (materials, strength of materials) and mathematical fundamentals and the ability to apply these fundamentals to mechanical design problems; Basics of the design of machine components and assemblies.
Subject Introduction

Shafts: Function, design, manufacturing, dimensioning, strength analysis

Hub-shaft joints: shrink fit, conical seat, feather and multiple spline joints

Roller bearings: contact stresses, types and construction of roller bearings, dimensioning, lubrication and design of seats, sealing problems

Journal bearings: lubrication theory and design

Welded joints: dimensioning and design

Gears: functions and types

spur and bevel gears: kinematics of gears, stress analysis and design Worm gears Belt and chain drives, CVTs of belt or chain type Couplings, clutches and breaks: simple thermal analysis of clutches and breaks
Criteria for evaluation Written and oral exam. The written exam consists of two problems; both problems concern the assessment of a small machine assembly by calculations. In total, 50 % must be accomplished in order to be allowed to take the oral exam. Exception: in the 3rd attempt, an oral exam is always included. The oral exam consists of two questions, which are mostly rather general. The examiner typically asks interim questions to check the mastering of the subject.
Methods Classroom teachning; detailed lecture notes; content is trained in accomapying exercises (see Machine Elements Exercises)
Language German
Study material Lecture notes; supplementary material: Niemann, Winter, Höhn, Stahl: Maschinenelemente (Springer Verlag); Roloff/ Matek: Maschinenelemente (vieweg Verlag); Decker: Maschinenelemente (Hanser Verlag); Schlecht: Maschinenelemente (Pearson Verlag)
Changing subject? No
Further information None
Corresponding lecture (*)MEBPCVOMAEL: VO Maschinenlemente (4,5 ECTS)
On-site course
Maximum number of participants -
Assignment procedure Assignment according to sequence