outline2015(1)

Professor:

MCG 3131Machine DesignSpring 2015

Professor:Pirooz Mirfakhraeipmirfakh@uottawa.ca

Office hours:Right after the lectures

Lectures:Tuesday 19 20:30MRT 212Thursday19 20:30MRT 212

Teaching assistants:Farhad Mirhosseini fmirh084@uottawa.ca CBY B08DTutorial session:Tuesday 17:00 19:00MRT 212Text book:R.G Budynas, J. K. Nisbett, Mechanical Engineering Design, 10th Ed., Mc-Graw Hill, 2015 (every student must have a copy of this book).

Other sources:M.F. Spotts, et al, Design of Machine Elements, 8th Ed., Prentice Hall. 2004R.C. Juvinall, K.M. Marshek, Fundamentals of Machine Components Design, 4th Ed., Wiley, 2005

Objective:To develop the knowledge to design machine components that can be used as a tool for mechanical engineering design. Strength of materials theory serves as the basis for understanding of mechanical behavior of machine elements and for deriving design equations.

Assessment:Assignments 15%Project15%Midterm25%Final exam45%

Examination:Examinations will be open bookTentative date for midterm: Tuesday, June 17.

Assignments: Assignments will be given out during the week and they must be handed it at the next tutorial class. Quizzes could be given at beginning of each tutorial too. Attending the tutorial sessions is obligatory.

Project:The list of projects will be given at the beginning of the course and the project must be handed in about a week after the final exam. The exact date will be announced in July.

Outline of the course Text section

Fundamental principlesStress, strain3.4-3.9Beams3.10, 3.11Torsion3.12Miscellaneous problems3.13-3.17, 3-19

Deflection and stiffnessFlexibility4.1, 4.2Deflection4.3-4.5Indeterminate problems and buckling4.10-4.12Impact loads4.17

Failure criteriaFailure theories (static load)5.1-5.8Fatigue (variable load)6.1-6.4, 6.7-6.15

Shafts and axlesShaft constraints7.1-7.4Material and critical speed7.5-7.8

ConnectionsScrews8.1-8.12Welds, rivets and adhesives9.1-9.9

SpringsHelical springs10.1-10.12Miscellaneous springs10.13, 10.14

Ball and roller bearingsIntroduction11.1, 11.2Calculation11.3-11.7Selection11.8-11.10Lubrication and mounting11.11, 11.12

Lubrication Viscosity12.1, 12.2Journal bearing 12.3-12.11Bearing materials, load and construction12.12-12.14

GearsIntroduction, description and fundamentals13.1-13.12Speed ratio13.13Force analysis13.14-13.17Spur gears designChapter 14

Power transmissionClutches and brakes16.1-16.10Couplings and flywheels16.11, 16.12Belts17.1-17.4Chains and ropes17.5-17.7

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