Mechanics of Machines (ME-315)
Course Title: Mechanics of Machines
Course Code: ME-315
Course Duration: 1 Semester
Credit Hours: 3
Teacher: Engr. Dr. Mudaser Ullah
Department of Mechanical Engineering
Phone/email:
[email protected]
Objectives:
CLO.1
UNDERSTAND the
concepts of mechanics
for the design of machine
elements.
CLO. 2
CALCULATE the
kinematic characteristics
of mechanisms such as
linkages, cams, gears,
governors and unbalance
masses.
CLO.3
RELATE analytical
and/or graphical solutions
to complex engineering
problems in various
machines and
mechanisms.
Course Outline:
1. Introduction to Mechanisms
Machine & Mechanisms, Mechanism Terminology, Kinematic
Diagram, Kinematic Inversion, Four Bar Mechanism, Slider Crank
Mechanism, Techniques of Mechanism Analysis
2. Vector, Position and Displacement Analysis
Motion, Vectors, Analytical Vector Methods Applied to the
Displacement Analysis of Planar Linkages, Graphical Analysis,
Complex-Number Methods Applied to the Displacement Analysis of
Linkages, Spatial (Three-Dimensional) Linkages, Computer Implemented Numerical Methods of Position Analysis
3. Velocity Analysis of Mechanisms
Average Speed in Mechanize Mechanism, Velocity of a Point in
Mechanize Mechanism, Angular Velocity in Mechanize Mechanism,
Motion of a Rigid Body about a Fixed Axis (Without Translation),
Moving Coordinate Systems and Relative Velocity, Application of
Analytical Vector and Matrix Methods to Linkages, Four-Bar
Linkage, Complex-Number Methods Applied to Velocity Analysis
4. Acceleration Analysis of Mechanisms
Planar Motion, Spatial Motion, Relative Acceleration, Analysis of a
Four-Bar Linkage by Analytical Vector Methods, Acceleration
Analysis, Position Analysis, The Acceleration Polygon, Graphical
Analysis of the Four-Bar Linkage, An Analytical Solution Based on
the Acceleration Polygon, Graphical Analysis of Sliding Contact
Linkages, Trial Solution Method Applied to Linkage Acceleration
Analysis, Spatial Linkages, Acceleration Analysis of an RSSR
5. Design & Development
Mechanism Design
Time Ratio, Timing Charts, Design of Slider Crank Mechanism,
Design of Crank Shaper Mechanism, Mechanism to Move a Link
Between Two Positions
Cams
Types of Cams & Followers, Follower Motion Schemes, Graphical
Disk Cam Profile Design, Pressure Angle, Design Limitations
Governors
Types of Governors, Centrifugal Governors, Porter Governors,
Parallel Governors, Spring Loaded Governors
Gears
Toothed Gearing, Gear Trains
Components of Assessment
Assessment during the semester = 30 marks
Assignments / Class Participation / Attendance =15
Quizzes / Semester Project = 15
Mid Term /Term Paper = 20 marks
End Term Examination = 50 marks
Total = 100 marks
Semester Start Date: 13-01-2020
Class Timings:
Wednesday : 12:30PM - 02:00PM
Thursday : 09:30AM - 11:00AM