CNC And Running With Autodesk Inventor Simulation - Guide To Engineering Design Solutions.pdf

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FOREWORD
The ability to use digital prototyping as a core design practice has rapidly become a critical
initiative for manufacturers of all sizes. To stay competitive in today’s global market, manu-
facturers have to move from a perspective of using 3D design methods for automating the
creation of 2D drawings to a perspective of using a 3D model as a complete digital prototype
for evaluating form, fi t, and function. Critical to making this leap is an understanding of
the role and application of simulation in the digital prototyping process. Unfortunately, too
many designers and engineers are either unable or unwilling to integrate simulation in their
design process. The result is that they are falling behind the best-in-class standards of a rap-
idly changing manufacturing climate.
The book you are about to read offers a clear path for designers and engineers to begin to
perfect their skills using simulation inside Autodesk Inventor®. By using real-world exam-
ples to illustrate both the need and application of simulation, this book is not only a useful
learning tool, but a source of inspiration for applying simulation to bringing better products
to market faster. Every designer and engineer needs to understand how to use a digital proto-
type to simulate their product designs before they are real, and every designer and engineer
can benefi t from reading this book.
The journey to becoming a best-in-class user of digital prototyping requires an understand-
ing of simulation and its application to design problems. This book is an important part of
that journey.
vii
Dr. Andrew Anagnost
Vice President, Engineering Design and Simulation Products
Manufacturing Industry Group
Autodesk, Inc.
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PREFACE
Welcome to the fi rst edition of Up and Running with Autodesk ® Inventor ® Simulation 2010 – A
Step by Step Guide to Engineering Design Solutions.
In my years of training and working with Inventor’s users, I have seen many who were strug-
gling to make the most of Inventor’s tremendous and powerful Simulation technology, and
to integrate it in the design process. In my opinion, one signifi cant reason for this struggle
is a lack of confi dence in applying Inventor Simulation to the user’s own product and
development environment.
With this in mind, I have written this book using actual design problems, all of which have
greatly benefi ted from the use of Simulation technology. For each design problem, I have
attempted to explain the process of applying Inventor Simulation using a straightforward,
step-by-step approach, and supported this approach with explanations and tips. At all times,
I have tried to anticipate what questions a designer or development engineer would want to
ask while he or she is performing the task and using Inventor Simulation.
The design problems have been carefully chosen to cover the core aspects and capabilities of
Dynamic Simulation and Stress Analysis, and their solutions are universal, so you should be
able to apply the knowledge quickly to your own design problems with confi dence.
APPROACH OF THE BOOK
The book basically comprises of two sections: Dynamic Simulation (Chapters 1–8), and Stress
Analysis/Optimization (Chapters 9–15). Chapters 1 and 9 provide an overview of Dynamic
Simulation, Stress Analysis, and the Inventor Simulation interface and features to give you a
good grounding in core concepts and the software’s strengths, weaknesses, and workarounds.
Each design problem illustrates a different approach, and demonstrates key aspects of the
software, making it easier for you to pick and choose which design problem you want to
cover fi rst; therefore, having read Chapter 1, it is not necessary to follow the rest of the book
sequentially.
ix
The joints process, including redundant joints, within Dynamic Simulation is possibly the
most powerful but hard to master feature of the software, and in my experience, one of
the reasons of the areas that most users struggle with. Therefore, this book has a particular
emphasis on the joint creation process, and shows all the possible methods of creating joints
effi ciently. Each of Chapters 2–8 starts by showing which joint is being used to make it easier
for you to concentrate on the joints required for your own design problems.
Stress Analysis within Inventor has been around for many years but its usage has been
limited until now by single part Stress Analysis capability. With the release of 2010, this
limitation has been overcome by the inclusion of Assembly Stress Analysis and the unique
powerful Parametric Optimization function, which is discussed in detail in Chapters 9–15.
This book is primarily designed for self-paced learning by individuals, but can also be used
in an instructor-led classroom environment.
All tutorial fi les and datasets necessary to complete the b ook’s exercises, plus completed fi les,
can be accessed from the book’s companion web site at http://www.elsevierdirect.com/
companions, as well as from the author’s site at http://www.vdssolutions.co.uk
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PREFACE
I hope you will fi nd this book enjoyable and at the same time benefi cial to you and your
business. I will be very pleased to receive your feedback, to help me improve future editions.
Feel free to e-mail me at y ounis_wasim@hotmail.com.
ADDITIONAL HELP AND SERVICES
There may be situations when extra help and advice on the contents of this book or on
your own models and designs would be valuable. Please go to my site and follow the instruc-
tions on how to become a valued member of the Simulation Community, as well as details
on how to access additional help and support services. Membership is free and the site has a
wealth of simulation specifi c information including, image gallery, tips and tricks, additional
tutorials, completed design problem exercises and much more.
Wasim Younis
x
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ACKNOWLEDGMENTS
Personal thanks to the Inventor Product Management and Learning Team, at Autodesk,
for its guidance in helping me get this book off the ground. Sincere thanks to the brilliant
Simulation Quality Assurance Team, at Autodesk, for its invaluable support with a special
thanks to Frederic Tachet – Software Development Manager – Inventor Simulation.
Most of all, I would like to thank all the companies, mentioned below, for allowing me to
use their innovative product designs and models, without which none of this would have
been possible. Huge thanks to Philip Wright and Adrian Curtis for having all the time in the
world for offering me their expertise and valued guidance.
Philip Wright – Wright Resolutions Ltd
Adrian Curtis – In-CAD Services Ltd
Jonathan Stancliffe – British Waterways
Kevin Berry – Triple Eight Race Engineering Ltd
Adrian Rosbottom and Lee Chapman – Unipart Rail
Mark Askew – Sheppee International Ltd
Ian Parker – Halifax Fan Ltd
Matt Cowan – Hallin Marine UK Ltd
Adrian Hartley – Simba International Ltd
Thanks to Jonathan Simpson, and his team, from Elsevier for invaluable support in
getting this book out to you. Finally, I would like to thank my wife Samina, daughter
Malyah, and sons Sami and Fasee for their unconditional love, support, and source of inspi-
ration. This book belongs to them.
xi
The front cover image shows an illustration of a Novel Rotary Compressor, used by courtesy
of In-CAD Services Ltd ( www.in-cad.co.uk ) .
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