ENGR3220U
Assignment #1
1
Machine Design
FACULTY OF ENGINEERING AND APPLIED SCIENCE
ENGR3220UMachineDesign
Instructor: TA: Dr.YueleiYang yuelei.yang@uoit.ca
Mr.ZhongzheChi chizhongzhe@hotmail.com
HOMEWORK ASSIGNMENT # Some problems are from the textbook,
ENGR3220MachineDesign ENGR3220MachineDesign March21st,2011 Gears
Gears
Spur gears (left top) Helical gears (right top) Bevel gears (left bottom) Worm gears (right bottom)
Nomenclature
Nomenclature
The pitch circle is theoretical circle upon which all cal
ENGR3220MachineDesign ENGR3220MachineDesign March23rd,2011 Gears:ForceAnalysis
Spur Gear s F or ce Analysis
F 32t i s called t r ansmit t ed l oad W t , i n SI unit syst em, f ollowing equat ion exist s:
60(10 ) H Wt = dn
H : t r ansmit t ed power (kW) d:
ENGR3220U
Problem Set #2
2
Machine Design
FACULTY OF ENGINEERING AND APPLIED SCIENCE
ENGR3220UMachineDesign
Instructor: TA: Dr.YueleiYang yuelei.yang@uoit.ca
Mr.ZhongzheChi chizhongzhe@hotmail.com
The assigned questions are all from the textbook, Machine
Tutorial -4
Machine Design Musharaf Rabbani
4/17/11
Problem-5.1(a)
Find the principle stress and vonmises stress
4/17/11
4/17/11
Problem-5.12
4/17/11
The only stress component present is due to bending stress.
4/17/11
4/17/11
4/17/11
A beam is supported a
Tutorial -5
Machine Design Musharaf Rabbani
4/17/11
The beam in figure P6-11a is subjected to a sinusoidal force time function with Fmax=F, Fmin= -F/2, where F and beams other data are given in the row (a) assigned from table P6-5. Find the stress state i
Integrated Manufacturing Systems ENGR3300U Lecture 01 Overview of Manufacturing Chapter 2 2.1 Manufacturing industries 2.3 Production facilities 2.4.3 Manufacturing capability Chapter 1 1.2 Automation in production systems 1.3 Manual labor in production s
FACULTY OF ENGINEERING AND APPLIED SCIENCE
MECE3210U Mechanical Vibrations
Assignment No. 3
Due Date: Monday, March 21th, 2016 (5:00 pm)
1. Drive the mass matrix and the stiffness matrix and define the coupling type in the system
shown below.
k
X3
M3
k
X2
Faculty of Business and Information Technology
BUSI2410U: Managerial Finance
Course outline for Winter 2017
1.
Course Details & Important Dates*
Term
Course Type
Winter
Lecture
Classes
Start
Classes End
January 11,
April 8, 2017
2017
CRN
Day
Time
Room
Wed
Nicolas Rodriguez 100513683
Activities performed:
Activity 3: A configuration management library system is established as a repository for the software
baselines.
1. The library system must support multiple levels of Software/System Configuration Manageme
ENGR3220MachineDesign ENGR3220MachineDesign March16th,2011 Bearings
Bearings
Bearings are manufactured to take pure radial loadings, pure thrust loads or combinations of these two loads. There are essential parts of a bearing: outer ring, separator, rolli
ENGR3220MachineDesign ENGR3220MachineDesign Week8,Lecture2 ShearJoints,Welding
Bolted and Riveted Joints Loaded in Shear Shear
If the loading is a shear force, following stress must be considered:
Shear stress:
F = Ar F = Am F = Ab
Tensile stress:
Bearing
Machine Design
Week 5 Lecture 2 UOIT, 2011 winter
Endurance Limit
For steels, the endurance limit can be related to tensile strength:
kpsi / MPa Sut 200kpsi (1400 MPa) 0.50 Sut ' S e = 100kpsi S ut > 200kpsi 700 MPa S ut > 1400MPa
Fatigue Strength
S f =
ENGR3220MachineDesign ENGR3220MachineDesign Week6,Lecture2 ShaftDesign
D efinitions
I n machiner y, the gener al ter m shaft r efer s to a m ember , usually of cir cular cr oss-section, w hich suppor ts gear s, spr ock ets, w heels, r otor s, etc., and w
ENGR3220MachineDesign ENGR3220MachineDesign Week8,Lecture1 Screws,FastenersandNonpermanent JointsDesign
Bolts and Nuts
Bolts and Nuts
The thread lengths of the bolts are given by: For inch-series bolts
2 D + 1 / 4in LT = 2 D + 1 / 2in
For metric bolts
L 6
ENGR3220MachineDesign ENGR3220MachineDesign Week9,Lecture1 SpringDesign
Stresses in Helical Springs
The maximum stress in the wire may be computed by superposition of the direct shear stress and the torsional stress:
max =
Or:
Tr F + JA
max
8FD 4 F = +2
ENGR3220MachineDesign
Click to edit Master subtitle style
March28th,2011
4/17/11
Straight Bevel Gears
The pitch of bevel gears is measured at the large end of the tooth. The pitch angle is given by:
4/17/11
Force Analysis-Bevel Gearing
4/17/11
Example 1
T
ENGR3220MachineDesign ENGR3220MachineDesign March30th,2011 BandBrakes,FlywheelsandBelts
Band-Type Clutches and Brakes
Force balance:
P 1 = e f P2
Maximum Pressure
2P pa = 1 bD
Example 1
The brake shown in the figure has a coefficient of friction of 0.30 a
ENGR3220MachineDesign ENGR3220MachineDesign April4th,2011 BrakesandClutches
Internal Expanding Brakes
An internal expanding centrifugal-acting rim clutch.
Internal Friction Shoe Geometry
The Geometry Associated with an Arbitrary Point on the Shoe
Pressure
ENGR3220MachineDesign ENGR3220MachineDesign Week1,Lecture2
Material Strength and Stiffness
P = A0
l l0 = l0
Hookes Law
strain
= E
Material Strength and Stiffness
Stress-strain diagram obtained from the standard tensile test (a) Ductile material; (b) brit
ENGR3220MachineDesign ENGR3220MachineDesign Week2,Lecture1 PlaneStressAnalysis
Plane Stress
Plane stress is a two-dimensional state of stress. This 2-D state models well the state of stresses in a flat, thin plate loaded in the plane of the plate. Figure
Machine Design
ENGR 3220U
Week 3, Lecture 1 UOIT, 2011, Winter
Application of Castiglianos Theorem Example 1
For the wire form of diameter d shown in left figure, determine the deflection of point B in the direction of the applied force F (neglecting the