Solutions to Chapter 3 Exercise Problems Problem 3.1 In the figure below, points A and C have the same horizontal coordinate, and 3 = 30 rad/s. Draw and dimension the velocity polygon. Identify the sliding velocity between the block and the slide, and fin
Solutions to Chapter 1 Exercise Problems
Problem 1.1 Find a mechanism as an isolated device or in a machine and make a realistic sketch of the mechanism. Then make a freehand sketch of the kinematic schematics for the mechanism chosen. Typical examples of
Solutions to Chapter 5 Exercise Problems
Problem 5.1 For the mechanism shown, do the following: a) Write the vector equation of the above linkage. b) Write the x and y displacement equations. c) Find the velocity component equations. d) Find the accelerat
Solutions to Chapter 6 Exercise Problems Problem 6.1: Design a double rocker, four-bar linkage so that the base link is 2-in and the output rocker is 1-in long. The input link turns counterclockwise 60 when the output link turns clockwise through 90. The
Problem 2.21 Link 2 of the linkage shown in the figure has an angular velocity of 10 rad/s CCW. Find the angular velocity of link 6 and the velocities of points B, C, and D.
Y
C A 3 2 2 E 2 F 4 Position Analysis B 6 5 D
AE = 0.7" AB = 2.5" AC = 1.0" BC =
MEC411
MECHANICS OF MACHINES
Chapter 01
Introduction
1
q Mechanics: a science that predicts the conditions of a
system either at rest (static) or in motion (dynamic),
when under the action of forces and moments.
q Machine: an apparatus that transmits ener
MEC411 Mechanics of Machines
Lab 1
Winter 2014
Matlab
In this lab, a brief introduction to Matlab programming will be given. Two Matlab codes will be
developed to (i) conduct kinematical analysis of a four-bar inverted crank slider mechanism
shown below t
MEC411- Mechanism of Machine
Computer Lab Week 06
Analysis of a Four-Bar Mechanism with a Coupler Point
Please read the section 4.4.2 of your textbook and modify the attached MATLAB program to
determine the displacement of the coupler point in Example 4.5
MEC411
A Three Stage Compound Gear Train Used in a Wind
Wind Turbine Generating System
Supplemental Material
Stages 1 Items Planets : Sun p Ring
Module mm 4 l4 l4 14 A
1 V Quantity 4 3 1 f 1
Teeth 35 23 94
L H
MIE301 Kinematics and Dynamics
Solutions Midterm 1 2012
Question 1 (15 points)
(a) The diagrams of the two states of the Geneva Mechanism are given in the question:
Link 3
Link 2
Link 1
engaged:
With pin engaged
Links
Turning Pairs
Rolling & Sliding Pairs
MEC411
MECHANICS OF MACHINES
Chapter 02
Mechanics of Rigid Bodies and
Planar Mechanisms
Important Concepts
Displacement, relative velocity, relative acceleration
Range of motion
Time ratio
Instantaneous centers
1
2.2.1 Position Analysis of Points
Relat
MEC411
MECHANICS OF MACHINES
Chapter05
Gears
Important Concepts
q Mathematical Model for analyzing friction gears
q Description of various types of toothed gears
1
5.2 Friction Gearing
q A simple means of transmitting rotation from one shaft to another i
`A Comprehensive Cam Design Example
Modified trapezoidal acceleration profiles
Description of Motion of the follower
Low dwell from 0 to 90 deg
Rise by 1 inch from 90 to 180 deg
High dwell from 180 to 270 deg
Fall by 1 inch from 270 to 360 deg
Cam Tim
MEC411
MECHANICS OF MACHINES
Chapter04
Analytical Kinematic Analysis of
Planar Mechanisms
Important Concepts
q Method of generating analytical expressions for the positions,
velocities, and accelerations for the links in planar mechanisms.
Based on the
Dynamic Force Analysis, Shaking Force, Shaking Moment
and Balancing
An example RRRR Planar Mechanism
For the four bar mechanism shown below, determine analytically the
input torque required to operate the mechanism at a constant angular
speed throughout a
MEC411
MECHANICS OF MACHINES
Chapter07
CAMs
Important Concepts
q Analytical design of cam mechanisms are provided.
q Method Graphical and analytical methods for designing the planar
disc cam for a required output motion of the mechanism.
1
7.1 CAMs exam
MEC411
MECHANICS OF MACHINES
Chapter06
Gear Trains
Important Concepts
q Main types of gear trains are described and classified.
q Method of determining the speeds of components are also covered.
1
6.1 Gear trains (Introduction)
q Gear Train: A combinati
1/17/17
MEC411
MECHANICS OF MACHINES
Chapter 00
Introduction
Text Book:
Mechanics of Machines, W. L. Cleghorn, 2nd ed., Oxford University Press, 2015.
1.1 Machine, Mechanism
Machine: A apparatus that transmits energy through its parts (subsystems)
MEC411
MECHANICS OF MACHINES
Chapter09
Analytical Force Analysis and
Balancing of Planar Mechanisms
Important Concepts
q Analytical equations are presented for use in
completing kinetic analyses of four-bar mechanisms
and crank-slider mechanisms
q Method
Page 1
Ryerson University
Department of Mechanical and Industrial Engineering
MEC411 Mechanics of Machines
2016 Winter Term Test
Duration: 100 Minutes
This OPEN BOOK test consists of four questions. Marks for each question are given in brackets.
Answer qu
Dynamic Force Analysis and Shaking Force for a Planar RRRR Mechanism
For the four bar mechanism shown below, determine analytically the input torque required to
operate the mechanism throughout a cycle for prescribed load, the joint forces, and the shakin
MIE301 Kinematics and Dynamics
Solutions Midterm 2 2012
Question 1
Gear Number
2
3
4
5
Number of Teeth
30
120
32
88
Diametral Pitch,
6
6
8
8
(
)
(a) To begin, since gears 2/3 and 4/5 are in mesh, they must share the same value of :
6
8
We can also form co
MEC 411- Mechanics of Machines
Name:
In Class Quiz 3, 2017
ID#:
Section:
Marking scheme: Participation [2] and Question [8], Total Points: [10]
Question) For the mechanism shown in the below configuration,
a) determine the total number of instant centers
A Comprehensive Cam Design Example
Modified trapezoidal acceleration profiles
Description of Motion of the follower
Low dwell from 0 to 90 deg
Rise by 1 inch from 90 to 180 deg
High dwell from 180 to 270 deg
Fall by 1 inch from 270 to 360 deg
Cam Timi
MEC411
MECHANICS OF MACHINES
Chapter08
Graphical Force Analysis of
Planar Mechanisms
Important Concepts
q The operation of mechanism normally results in the
transmission of forces between its links.
q Knowing the level of the forces can guide the design
MEC 411- Mechanics of Machines
Name:
In Class Quiz 6, 2017
ID#:
Section:
Marking scheme: Participation [2] and Question [8], Total Points: [10]
Question) The main shaft of a rotating machine has a constant load torque and is driven by torque shown
(TD) in