of balls. If the balls are different shapes and
sizes (footballs, basketballs, baseballs,
etc.), moving the piece of plywood becomes
more cumbersome and awkward. Now if
you took that same sheet of plywood and
pushed it across a series of tennis balls, with
each ball the same shape and size, it
becomes much easier. This is why most
synthetic oils come with claims of reducing
energy consumption and can actually help
to decrease emissions.
Additives
Aside from base oils, additives are the
other fundamental building block of a
finished lubricant. Additives are blended
into the base oil to impart, suppress or
enhance the oil's properties. Depending on
the application, varying amounts and types
of additives are added to the oil to allow it
to better function in the equipment. For
instance, turbine oils have a relatively small
number of additives, whereas engine oil has
a much higher concentration as well as
more chemically aggressive additives. To
reduce emissions and help your equipment
run more efficiently, you should focus on
three main additive types: friction-control
additives, detergents and dispersants.
Friction-control additives leave a ductile
chemical film on machine surfaces to
prevent parts from sticking together and to
reduce friction between the surfaces when a
fluid film is not present. You likely are
familiar with two types of these additives
called anti-wear (AW) and extreme-pressure
(EP) additives. However, a third type,
known as friction modifiers, is used in
most energy-conserving lubricants. These
additives require less activation energy,
usually in the form of heat, to become
www.machinerylubrication.com
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March - April 2017
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or any other need, we're here to support our customers.
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By properly
matching the
needs of your
equipment
to the
properties of
the lubricant,
you not only
can extend
the life of your
machinery,
but you can
also help
protect the
environment.
ML