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Design Philosoph
Week 1
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Course Objective
The course focuses on the fundamentals and principl
mechanical elements, the manufacturing considerati
the product design processes .
The goal of this course is to understand the very basi
principles of these processes without dealing with
mathematical equations.
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By the end of this course the student should be
Understand the principles of design, and the design processe
Classify the main types of mechanical design.
Identify the different types of machine tool elements, and rec
pros and cons of each element.
Get an overview of the manufacturing considerations.
Identify the product design process and its considerations. Interact with the engineering world by applying the previousl
principles in a case study.
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We will discuss in this week the follow
Design Philosophy
Design Process
Design Levels
Types of Mechanical Design
How to be Successful Designer
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What is Design anyway ?
Engineering Design is the process of devising a system
component, or process to meet desired needs.
It is a decision-making process (often iterative), in wh
basic sciences, mathematics, and engineering science
applied to optimally convert resources to meet a stat
objective.
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Design is everywhere
Design is in everything around us, choose anything you see even if you
universe, you will discover that its well designed.
As an example you will find that you have a fashion designer who desig
and its size.
Interior decorative designer who made the art in your home. A machin
who made the equipment that you use in your factory, also furniture, ebuildings, food products; as an example; each of it has an independent
creates of develop that product which is called a designer and the proc
creation is called Design.
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The Design Process Paradox
Throughout the solutionprocess knowledge about the
problem and its potential
solutions is gained and,
conversely, design freedom is
lost.
The more you learn the less
freedom you have to use what
you know.
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Design Levels
Adaptive Design
Development Design
New Design
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Types of Mechanical Design
Before beginning, we must realize that most design situations are a mix of various type
Traditionally, we decompose mechanical engineering by discipline: fluids, thermodyna
mechanics, and so on
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Types of Mechanical Design
Selection Design
Configuration Design
Parametric Design
Original Design
Redesign
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Selection design involves choosing one item(or maybe more) from a lis
items. We do this type of design every time we choose an item from a catalo
Selection Design
To solve a selection problem we must start with a clear need
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Configuration Design
In this type of problem, all the components have been designed and th
how to assemble them into the completed product.
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Parametric Design
Parametric design involves finding values for the features that characte
object being studied.consider a very simple example.
We want to design a cylindrical storage tank that must hold 43of liquid
described by the parameters r, its radius, and l, its length and its volume is
by V = r 2
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Original Design
We use it Any time the design problem requires the development of a process, assem
component not previously in existence .
In many ways the other types of design problemsselection, configuration, and para
simply constrained subsets of an original design
Example Design a machine element with based on its standard
Spur Gear on AGMA(American Gear Manufacturing Association) Standard
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Redesign
Most design problems solved in industry are for the redesign of an exis
Or in other words the modification of an existing product to meet new
requirements.
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How to be Successful Designer
First you need to be in the shoe of 3 persons
Product Manager
Product Designer
Manufacturing Manager
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Mechanical Design Languages
Many languages or representations can be used to describe a mecha
Skilled Designer Speaks Many Languages
GraphicaAnalytical
Physical
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Thank You