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Grinding dressers and Wheel Dressers
Grinding dressers or wheel dressers are tools used to dress the surface of grinding
wheels. The purpose of dressing grinding wheels is to minimize vibration and enhance the
surface finish. Dressing also dislodges abrasive particles and exposing fresh abrasive
from the surface of the wheels. Every abrasive grain of a grinding wheel is in
fact is a small cutting tool. When these tiny cutting tools or grains become worn,
the grinding wheel loses its effectiveness. Evidence of rounded and worn grains
is glazing of the wheel and is obvious when the spinning grinding wheel has a reflective
surface. There are three types of dressers, star dressers, diamond dressers, and dressing
sticks. Star dressers are long handled tools that have a row of free running hard
and serrated discs that run at right angles to the handle. The following dressers
are diamond dressers, which are shorter handled tools that have either a single
diamond or diamond matrix on the broad surface of the dresser. Finally, there are
dressing sticks, which are composed of a hard material usually silicon carbide with
a stronger bonding agent.
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