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Branching out with PCD
By David Freund
To understand why polycrystalline diamond (PCD) is used
to cut wood, you have to forget about what is being cut and
concentrate on how it is being cut. The speed and accuracy
needed today is what forces the use of diamond. Woodworking is discussed in terms of cubic yards per minute of material
removed and thousands of feet per minute feed rates. Think
about it – wood is processed at up to 2500 feet per minute, or
30 miles per hour. This fast cutting also has to be combined
with accuracy and high quality.
Diamond tooling is successfully used on solid woods and
has proven to be very cost effective. But the real benefits of
PCD tooling go up as the abrasiveness of the material increases. Other materials with high resin content, including synthetic stone, plastics, fiberglass and Kevlar also benefit from
the hardness and abrasion resistance inherent in diamond.
Longer life, diamond tooling can eliminate 100 tool
changes that would occur if carbide tools were used, which
more than covers the cost difference.
Tool manufacturers know there are new types of PCD
coming onto the market as well as improved types of equip-
ment that we can use to get better tolerances, improved
finishes and more complex geometry on the tools we make.
Our experience and techniques are being honed and we are
becoming better able each day to tackle these new challenges.
Source: David Freund is the president of Saber Diamond Tools. For
information call 888-240-4324 or visit SaberDiamond.com.