Interest in ceramics as a high speed cutting tool material is based
primarily on favorable material properties. As a class of
materials, ceramics possess high melting points, excellent hardness
and good wear resistance. Unlike most metals, hardness levels in
ceramics generally remain high at elevated temperatures which means
that cutting tip integrity is relatively unaffected at high cutting
speeds. Ceramics are also chemically inert against most workmetals.
This book describes the various classes of ceramic cutting tools
and their applications. But more than that, this book is about
manufacturing and productivity.
Metal cutting, one of man's oldest manufacturing processes
(dating back to 1000 B.C. or earlier) assumes a significant role in
today's productivity scenario. This is due to significant advances
which have been made in both machine tools and cutting tool
materials. In terms of manufacturing efficiency the two are
inseparable. Advances in technology in one area require that
corresponding technical advances be made in the other.
In terms of the cutting tool itself, development of more wear
resistant tool materials for application in high speed machining
has a profound impact on productivity .This increase in cutting
speed has been made possible through the progressive evolution of
tool materials.
The ceramic cutting tool represents a different class of cutting
tool material with unique chemical and mechanical properties. Thus,
there may be a tendency to avoid the use of ceramic tools where
they may be applied advantageously. In order to realize the full
potential of ceramics, it is essential to have a clear
understanding of all the variables which affect theperformance of
these tools.
There is not now and probably never will be a "universal"
cutting tool material. Many of the new ceramic tool materials today
have very specific applications for which they are particularly
suited. When properly applied, these new tools can provide the
manufacturing engineer with a means of reducing machining costs and
increasing productivity.
This book breaks new ground in that it introduces the very
latest ceramic cutting tool material: chemically vapor deposited
diamond coated tools. These tools perform exceptionally well in the
machining of aluminum, composites, and other non-ferrous metallic
and non-metallic materials.
In summary:
1. First readily available and practical book on ceramic cutting
tools to appear in 26 years
2. Introduces and provides an understanding of how different
classes of ceramic tools perform in machining operations based upon
material characteristics.
3. Provides the results of field tests and case histories in the
use of different types of ceramic tools in practical machining
operations, thus providing a basis for proper tool selection.
4. Emphasizes the important aspects of tool geometry, surface
finish and edge preparation on tool life.
5. Introduces the latest in tool material development, chemically
vapor de- posited diamond tools.
6. Each chapter written by a world-wide recognized authority in
ceramic cutting tool material development and application.
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