Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Kinematics Fundamentals
Review Problems
Chapter (2)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 2-24 (a)
Find:
Slide No.2
Link 6 moves horizontally
in a straight line
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Balancing
Chapter (12)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Balancing
Elimination of unwanted shaking forces and
moments in rotating machinery
Any system in pure rotati
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Gear Trains
Chapter (9)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Transferring Rotary Motion
Gear analysis is based on rolling cylinders
Rolling cylinder + meshing teeth
(sl
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Dynamic Force Analysis of Linkages
Chapter (11)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Shaking Force
Forces delivered by the moving links to the ground at the fixed pivot
Design of Machinery
Review
(Chapter 8 to Chapter 15)
Dr. Sayed Aziz
ME358, Theory of Machine and Mechanisms
Question 1
In a radial cam-follower system, the
follower moves:
In a direction perpendicular to the cam axis
In a direction parallel to the cam ax
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Graphical Linkage Synthesis
Chapter (3)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Coupler Curves
Coupler is the most interesting link in
any linkage
Complex motion
Generate
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Acceleration Analysis
Chapter (7)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 6-67 and 7-55
Figure shows a drum-pedal mechanism.
Find:
Slide No.2
O2A = 100mm at 162o a
4/19/2013 11:29 AM
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Dynamics Fundamentals
Chapter (10)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
4/19/2013 11:29:53 AM
What is a Model?
A model is not the real world system b
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Gear Trains
Chapter (9)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Gearset
A pair of gears in mesh.
Smaller is called pinion, larger is called gear
External Set
Internal Set
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Vibrations and Resonance
(Cam Dynamics)
Chapter (15)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Vibration Definition
The moving parts of all machines are vibration producers
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Acceleration Analysis
Chapter (7)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Introduction
Acceleration analysis is required for dynamics:
Important for kinematic motion analy
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Graphical Linkage Synthesis
Chapter (3)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Learning Objectives
Slide No.2
Apply graphical methods to synthesize linkages for
a fourbar
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Acceleration Analysis
Chapter (7)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Coriolis acceleration
Combined motion of rotation and sliding
Acceleration diagram
Velocity compo
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Review
(Chapter 1 to Chapter 7)
ME358, Theory of Machine and Mechanisms
MIDTERM
MIDTERM
(Ch1-Ch7)
Part (1): Monday, March 25, Room P116
& P120
(Open textbook & Notes), No Laptop/phone
From 12:00 PM
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Kinematics Fundamentals
Chapter (2)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Linkage transformation
Revolute (R)
Rule #1:
Slide No.2
Prismatic (P)
Revolute joints in any lo
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Introduction
Chapter (1)
ME358, Mechanisms and Machine Dynamics
(Notes by Dr. Sayed Aziz)
Definitions
Mechanism
A system of elements arranged to transmit
motion in a predicted manner.
Slide No.2
I
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Gear Trains
Chapter (9)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 9-9
Design a simple spur gear train for a ratio
of +6.5:1 and a diametral pitch of 5.
Specify pitch
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Graphical Linkage Synthesis
Chapter (3)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 3-19
Slide No.2
Design a pin-joined linkage that will guide the forks of
the forkli
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Cam Design
Chapter (8)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
SVAJ Diagram
Radius of curvature
Cam Size
Slide No.2
ME358, Design of Machinery
Sayed Aziz
Graphical Solutio
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Dynamic Force Analysis of Linkages
Chapter (11)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Newtonian Method
Assumes all kinematic data are calculated
Sum forces and torques
B
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Graphical Linkage Synthesis
Chapter (3)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Learning Objectives
Distinguish what is meant by:
Define and distinguish:
Slide No.2
Functi
Design of Machinery
Vibrations and Resonance
(Cam Dynamics)
Chapter (15)
Dr. Sayed Aziz
ME358, Theory of Machine and Mechanisms
Log Decrement
Slide No.2
A method to experimentally measure
damping ratio in under-damped systems
ME358, Design of Machinery
Sa
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Position Analysis
Chapter (4)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 4-19
For one revolution of the driving link 2 of the walkingbeam indexing and pick-and-place
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Cam Design
Chapter (8)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
What is Cam-Follower?
A cam and follower is system/mechanism that uses a
cam and follower to create a specif
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Cam Design
Chapter (8)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Choosing Cam Functions
They must obey the fundamental law of cam
design
The cam-follower function must have
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Gear Trains
Chapter (9)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Planetary Gear Trains
Conventional gearset
a single degree of freedom geared
system
Planetary gear train
a
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Cam Design
Chapter (8)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 8-20
Slide No.2
A constant velocity of 2 in/sec must be
matched for 1 sec.
Then the follower must re
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Introduction
Chapter (1)
ME358, Mechanisms and Machine Dynamics
(Notes by Dr. Sayed Aziz)
Self-Introduction
Welcome to:
ME358: Mechanisms and Machine Dynamics
Self-Introduction
Instructors:
Teachin
Design of Machinery
Instructors: Sayed Aziz & Yazan Manna
Velocity Analysis
Chapter (6)
ME358, Theory of Machine and Mechanisms
(Notes by Dr. Sayed Aziz)
Problem 6-14-i
Slide No.2
Find all of the instant centers of the fourbar
slider-crank (hand pump) sho
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9\coupler.prt
The Version is Pro/ENGINEER VERSION - 31
FEATURE NUMBER
1
DEFINE STATE
non-geometry feature
FEATURE NAME
UnknownDatumPlaneFeature
FEATURE TYPE
DatumPlane
CONVERSION