Note from June 29, 2020
Although we do not yet know how long the social distancing related to the Covid-19 pandemic will last, and regardless of the changes that had to be made in the evaluation of the June 2020 session in relation to what is provided for in this learning unit description, new learnig unit evaluation methods may still be adopted by the teachers; details of these methods have been - or will be - communicated to the students by the teachers, as soon as possible.
Although we do not yet know how long the social distancing related to the Covid-19 pandemic will last, and regardless of the changes that had to be made in the evaluation of the June 2020 session in relation to what is provided for in this learning unit description, new learnig unit evaluation methods may still be adopted by the teachers; details of these methods have been - or will be - communicated to the students by the teachers, as soon as possible.
5 credits
30.0 h + 30.0 h
Q1
Teacher(s)
Raucent Benoît; Servais Thomas (compensates Raucent Benoît);
Language
English
Prerequisites
This course is taught in the first year of the master MECA and ELME mechatronics. It assumes that students already have basic skills in technical drawing. The aim of the course is to introduce the elementary knowledge necessary for the mechanical design of the elements that compose a machine. It is thus the basic course before a specialization 'design and manufacturing' and will contribute to prepare students to a future job as R&D engineer in the technical department of a company.
Main themes
Functional analysis of machines and their components
Properties of component
Elements of calculus of machine components.
Properties of component
Elements of calculus of machine components.
Aims
At the end of this learning unit, the student is able to : | |
| 1 |
Specific learning outcomes of the course · Write functional specifications for a machine · Identify the functionalities of a machine (actuation, bearing systems, transmission, sealing, ') · Estimate the installed and maximum power, the energetic consumption and the efficiency of a machine · Design a simple machine following an adapted methodology · Identify the basic hypotheses of elements dimensioning · Dimensioning following various criteria (yield strength, elastic compliance, fatigue) of usual elements (e.g. shafts) · Dimensioning while taking into account the effect of dynamic loading, stress concentration and residual stresses · Choose machine components (bearing, gasket, transmission) Read and interpret the drawing of an existing machine · Hand drawing of machine components and overall drawings · Placing tolerances for a mechanical system · Machine component design : threaded fastener and power screws, rivet and welding rolling bearing, sliding bearings In consideration of the reference table AA of the program " Master's degree civil engineer mechanics ", this course contributes to the development, to the acquisition and to the evaluation of the following experiences of learning: AA1.1, AA1.2 AA2.1, AA2.2, AA2.3, AA2.4, AA2.5, AA2.6, AA2.7, AA2.8 AA4.3, AA4.4 AA5.1 |
The contribution of this Teaching Unit to the development and command of the skills and learning outcomes of the programme(s) can be accessed at the end of this sheet, in the section entitled “Programmes/courses offering this Teaching Unit”.
Content
First part :functional analysis of machines and their components
· Functional requirements (Specification conditions)
· Principal functions of components (actuation, bearing systems , transmission) Origin of loads
Second part : properties of component use
· Geometric characteristics
· Tolerances and adjustments, shape tolerances, surface conditions, roughness and scale effects
· Residual stresses
Third part : elements of calculus of machine components
· Dimensioning in relation to various failure criteria : elastic buckling, plastic yielding, fatigue, while accounting for dynamic loads, stress concentration, residual stresses, safety factors
· Investigated components : threaded fastener and power screws, rivet and welding rolling bearing, sliding bearings, spur gears, helical, bevel and worn gears, clutches and brakes, Power transmssion components (belt, chains,, etc..), shaft and assocated part (key, pin, coupling, ')
· Functional requirements (Specification conditions)
· Principal functions of components (actuation, bearing systems , transmission) Origin of loads
Second part : properties of component use
· Geometric characteristics
· Tolerances and adjustments, shape tolerances, surface conditions, roughness and scale effects
· Residual stresses
Third part : elements of calculus of machine components
· Dimensioning in relation to various failure criteria : elastic buckling, plastic yielding, fatigue, while accounting for dynamic loads, stress concentration, residual stresses, safety factors
· Investigated components : threaded fastener and power screws, rivet and welding rolling bearing, sliding bearings, spur gears, helical, bevel and worn gears, clutches and brakes, Power transmssion components (belt, chains,, etc..), shaft and assocated part (key, pin, coupling, ')
Teaching methods
The course are taught by PBL by groups of 6 students. A project on identification of tolerances is also part of the course.
Evaluation methods
The students will be evaluated based on the report of the project on tolerances and an exam where theywill have to solve problems and draw part of a machine.
Faculty or entity
MECA
