Problem Set 2
650:342 Design of Mechanical Components, Spring 2015
Due: Tuesday, 2/17/15
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. An AISI 1030 steel part is annea
Problem Set 1
650:342 Design of Mechanical Components, Spring 2015
Due: Tuesday, 2/3/15
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. An object weighs 20 lb at a locat
Problem Set 6
650:342 Design of Mechanical Components, Spring 2015
Due: Friday, 4/3/15 (End of class)
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. Estimate the revers
Problem Set 5
650:342 Design of Mechanical Components, Spring 2015
Due: Wednesday, 3/11/15 (End of class)
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. A car skidded o
Problem Set 8
650:342 Design of Mechanical Components, Spring 2015
Due: Friday, 5/1/15 (End of class)
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. A 100-hp spur gear
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 13
Spring I
Announcement
HW #7
Due: 4/15 Wed
Final Exam
May 12th, 4pm 7pm, in the Fiber Optics
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 10
Surface Damage
Outline
Ch. 9
Corrosion
Wear
2 / 10
2
Surface Damage
More parts fail because
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 12
Threaded Fasteners and Screws II
Announcement
HW #7
Due: 4/15 Friday
Final Exam
May 12th, 4p
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
16:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 9
Fatigue II
Announcement
Midterm exam statistics
Midterm&1&distribu0on&
19"
20"
17"
18"
17"
15"
1
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 11
Threaded Fasteners and Screws I
Announcement
Midterm exam grading dispute
Dispute period: 3/25
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 14
Spring II
Announcement
HW #7
Extended to 4/17 Friday
Final Exam
May 12th, 4pm 7pm, in the Fi
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 16
Spur Gear II
Announcement
HW#8
Due: 5/1 Friday
Presentation
2 min live presentation (PPT or
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Review
Announcement
Final Exam
5/12 Tue, 4pm 7pm, in the Fiber Optics Auditorium
Bring your own formula
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
16:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 5
Elastic Deformation and Stability
Outline
Ch. 5
Castiglianos Method (Ch. 5.6 5.8)
Buckling (Ch
DESIGN OF MECHANICAL COMPONENTS
SPRING 2015
PROF. HOWON LEE
3/6/2015
Midterm Exam
Please be sure to turn in your one sheet (8.5 x 11) of notes with your name on it inside your exam
booklet. Please also make sure you write answers and show your work in
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 15
Spur Gear I
Announcement
Presentation
2 min video (<100MB) + 2 min live presentation (4 min to
Spring 2015
Rutgers University
Dept. of Mechanical and Aerospace Engineering
16:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Lecture 7
Impact
Announcement
HW #4
Due: 3/4, Wed (end of class)
Midterm exam
3/6, Friday, 3:20pm 4:40p
Exomple — Somple Problem 6.1
El Central crack in a thin sheet
- Find the maximum load P that the following conﬁguration can withstand.
P
7075—T651 Aluminum,
su = 78 ksi, s), = 70 ksi,
[(16:60 kSlx/ﬁi.
t=0.06 in.
P
TM ghee—t.
LCzlm a Ct my?“ szlwmg
‘L:
Elastic Instability - Buckling
Buckling does not vary linearly with load
it occurs suddenly and is therefore dangerous
Elastically
Elastically
Stable
Unstable
2EI
2EI
P < Pcr = 2 P > Pcr = 2
Le
Le
E modulus of Elasticity
I moment of inertia (smallest v
Spring 2016
Rutgers University
Dept. of Mechanical and Aerospace Engineering
14:650:342
Design of Mechanical Components
Instructor: Prof. Howon Lee
Review
Units
Check your units!
Metric is preferred, but many homework/quiz problems will have
English/Bri
Problem Set 3
650:342 Design of Mechanical Components, Spring 2015
Due: Wednesday, 2/25/15 (End of class)
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. Juvinall Figure
Problem Set 4
650:342 Design of Mechanical Components, Spring 2015
Due: Wednesday, 3/4/15 (End of class)
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. A thin plate wit
Problem Set 7
650:342 Design of Mechanical Components, Spring 2015
Due: Wednesday, 4/15/15 (End of class)
Problems copied, selected, and/or modified from Juvinall and Marsheks Fundamentals of
Machine Component Design, 5th edition, 2012.
1. A SAE grade 5,