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AA 15 Document Information:
Title
Aluminum Forging Design Manual
The Aluminum Association Inc.
Publication Date:
Oct 1, 1995
Scope:
A combination of high strength with light weight - outstanding
properties of aluminum alloy
forgings - has led to a rapidly expanding range of applications.
Aluminum forging technology is
also equally notable for the ease with which unusual shapes and
extremely large components with
excellent mechanical properties can be obtained.
Forging, as an industry, is as old as the Industrial Revolution; it
was also among the earliest
fabricating techniques applied to aluminum. But the greatest advances
of aluminum forging
technology occurred with the development of modem aircraft. The
demands of aeronautics for
lightweight, high-strength components with complex configurations led
to the rapid growth and great
sophistication of the aluminum-forging art. This, in turn, resulted in
greater use of aluminum
forgings in a remarkably wide number of applications - in fields far
removed from the aircraft
industry.
The scope of the aluminum industry's research and development
activities in metallurgy and forging
technology is substantial - it reflects more than a half-century of
forging experience and vastly
expanded production facilities.
This book is intended as a general guide to the solution of design and
production problems. The
Aluminum Association is, of course, aware that no book can provide
special or specific answers to
all forging problems. As performance requirements vary widely, the
design and details used for a
specific product can only be determined through consultation with a
forging specialist. And, while
forging specialists can and should be consulted at any stage of
component design or development,
ideally this assistance can be of greatest benefit during the
conceptual or early planning stages.
Tolerance data shown herein were developed primarily by historical
empirical evolution. Today,
statistical process control techniques are being utilized to help
forging producers better
understand the true capabilities of their processes. At the same time,
customers are demanding
higher and higher ratios of tolerance to capability (Cpk). The result
of these two actions should
be the development of realistic tolerance understanding that better
satisfies the producer's
capability and the user's requirements. With this in mind, the authors
would anticipate changes to
some of the information contained in this document in the near future.
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