2. You have been asked to come up with a design of a 2-dof planar linkage with revolute joints and
binary links. What is the minimum number of links that you will need? Show all your work in deriving the
number. (15 points)
Solution: Let the number of bin
Assignment 3 (Due: September 29,2015 in class)
Problem
1
For the 2R open chain shown in the figure below, write down the expression for the position of the
point,4 in the global coordinate systern XOY. The length of link OB is (1 and the length of link
BA
MEC 310 Homework #1 (Due on Thursday, 9/10)
PROBLEM 1: (50 points Each problem is worth 10 points)
Determine the mobility of mechanisms shown below according to the modified GrueblerKutzbach (GK) equations as stated in class. You need to state explicitly
MEC 310 Homework 2 (Due: 9/17/2015 In Class)
1. Design a planar four-bar linkage to move body E through the three positions shown.
(a) Design the linkage graphically by specifying a pair of moving pivots inside of
the bounded body E such that the resultin
MEC 310 Homework #1 (Due on Thursday, 9/10)
PROBLEM 1: (50 points Each problem is worth 10 points)
Determine the mobility of mechanisms shown below according to the modified GrueblerKutzbach (GK) equations as stated in class. You need to state explicitly
Review: Exam 1
Announcements
Exam 1 is on 10/08/2014. Exam will be closed book, closed notes. I
will supply all necessary formulas.
Everything that has been covered in class up to Lecture 10 will be part
of the exam.
You should have your own ruler, com
MEC 310: Intro to Machine Design
Nilanjan Chakraborty
212 Heavy Engineering
(631) 632-9327
nilanjan.chakraborty@stonybrook.edu
Lecture Outline
Course Overview and Administrative
Information
Overview of Machine Design Process
Units and Terminology
Cours
DESIGN OF MACHINERY
!
SOLUTION MANUAL 4-1-1
PROBLEM 4-1
Statement:
A position vector is defined as having length equal to your height in inches (or centimeters). The
tangent of its angle is defined as your weight in lbs (or kg) divided by your age in year
MEC 310 Homework 2 (Due: 9/17/2015 In Class)
1. Design a planar four-bar linkage to move body E through the three positions shown.
(a) Design the linkage graphically by specifying a pair of moving pivots inside of
the bounded body E such that the resultin
DESIGN OF MACHINERY
!
SOLUTION MANUAL 2-1-1
PROBLEM 2-1
Statement:
Find three (or other number as assigned) of the following common devices. Sketch careful
kinematic diagrams and find their total degrees of freedom.
a. An automobile hood hinge mechanism
b
MEC 310 Homework 4 (Due: Tuesday, 10/6/2014 in class)
1. Design a planar four-bar linkage to move body E through the positions shown.
(a) TWO POSITION SYNTHESIS: Use Matlab to design the linkage analytically that moves
from position E1 to E2 by specifying
Chapter 8: Cam Design
Whats Next?
Cam Design
Cam Follower Motion Specification
Graphical and Analytical Synthesis of Cams
Gear Trains
Force Analysis of Mechanisms
4 bar linkages
Dynamic Balancing
Second Midterm will be on 11/19/2015 and will be on
Chapter 5: Analytical Synthesis of
Mechanisms
Announcements
Homework 1 grades and solutions have been posted.
Homework 3 has been uploaded.
Homework 3 is due on Tuesday (09/29/2015) in class.
Project 1 has been posted on Blackboard (09/17/2015).
Project 1
Chapter 4: Position Analysis
Announcements
Homework 3 will be uploaded on Friday (09/18/2015).
Homework 3 will be due on Tuesday (09/29/2015) in class.
Project 1 has been posted on Blackboard (09/17/2015).
Project 1 is due on Thursday (10/15/2015).
Projec
Chapter 3: Graphical Linkage Synthesis
Announcements
Homework 2 is due on Thursday (09/17/2015) in class.
Project 1 will be out on Thursday (09/17/2015).
Three Position Synthesis with Moving
Pivots Specified
B1
B2
A1
A2
B3
A3
O2
O4
Three Position Synthe
Chapter3:GraphicalLinkageSynthesis
Announcements
Homework2willbeouttonight,Thursday(09/10/2015)
Homework2isdueonThursday(09/17/2015)inclass.
LinkageSynthesis
Typesynthesis:thedefinitionofthepropertypeofmechanismbestsuited
totheproblem
It is a form of
Chapter 2: Kinematics Fundamentals
Announcements
Homework 1 will be uploaded tonight (09/01/2014) on Blackboard
Homework 1 is due on Thursday (09/10/2014) in class.
I will not hold office hours on Thursday (09/03). Instead, office hours
will be held on
Chapter 8: Cam Design
Announcements
Exam 1 Copies Grades will be up on Blackboard tonight or tomorrow.
Graded test copies will be handed out on Tuesday (10/20 in class).
Assignment 5 will be out on Tuesday (10/20) and will be due on
Thursday (10/29) in
Velocity and Acceleration Analysis
Velocity and Acceleration Analysis:
Single Link
Note the significance of the two terms in the
acceleration equation.
Velocity Analysis: Fourbar Linkage
Problem: Given the link lengths, the
angles 2, 3, 4, and the input a
Velocity and Acceleration Analysis
Announcements
HW 4 will be out tonight Tuesday (09/29/2015)
HW 4 is due next Tuesday (10/06/2015) in class.
The first midterm will be held on Thursday, 10/08/2015. Everything
covered in class till today will be part o
Coupler Curves
Announcements
HW 4 is due next Tuesday (10/06/2015) in class.
The first midterm will be held on Thursday, 10/08/2015. Everything
covered in class till 09/29/2015 (Lecture 10) will be part of the exam.
Coupler Curves
Curve generated by a
Chapter 2: Kinematics Fundamentals
Basic Asessment:
Know how to determine the mobility (degrees of
freedom) of a mechanism
Announcements
Homework 1 will be uploaded tonight (08/27/2014) on Blackboard
Homework 1 is due on Thursday (09/03/2014) in class.
Name:
SBU Id:
MEC 310 Homework 5 (Due: Thursday, 10/30/2015 in class)
1. For the SCCA acceleration curves (see book or lecture notes), assuming c = 0, derive
(a) the velocity curve [10 points];
(b) the displacement curve [10 points];
(c) the jerk curve [5
MEC 310 Homework 6 (Due 11/13/2014 in class)
Problem 1: The figure below shows a four bar linkage and its dimensions in inches. The crank
O2A and rocker O4B have their center of mass at the geometric center of the link. The mass of
the crank and rocker ar
MEC 310 Homework 4 (Due: Thursday, 10/9/2014 in class)
1. Design a planar four-bar linkage to move body E through the positions shown.
(a) TWO POSITION SYNTHESIS: Use Matlab to design the linkage analytically that moves
from position E1 to E2 by specifyin
MEC 310 Homework 7 (Due: 12/8/2014, by 5:00 PM)
[This homework is for extra credit]
Note on Submission: You can slide the homework under my door any
time by 5:00 PM on 12/8/2014. Late submissions will not be accepted.
Problem 1: For the 4 bar mechanism sh
Name:
SBU Id:
MEC 310 Homework 5 (Due: Tuesday, 11/4/2014 in class)
1. For the SCCA acceleration curves (see book or lecture notes), assuming b= 0.25, c = 0, d =
0.75, derive
(a) the velocity curve [10 points];
(b) the displacement curve [10 points];
(c)
MEC 310 Homework #1 (Due on Thursday, 9/11)
PROBLEM 1: (50 points Each problem is worth 10 points)
Determine the mobility of mechanisms shown below
(a)
(b)
(c)
(d)
(e)
PROBLEM 2 (50 points)
Statement: Calculate the Grashof condition of the three four bar