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The
Sheedy Bearing Revolution
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Throughout
industry, there has always been a need for a bearing
which will withstand the rigours of water, steam, alkalies,
acids and other reagents which attack either the lubricant
or fabric of a bearing.
Another
cause of bearing failure is the effect known as "brinelling",
where shock and/or vibration can cause the rolling elements
of the bearing to produce small blemishes in the running
surface; subsequent rotation of the bearing results
in very rapid breakdown of the bearing.
In
particular, the food and allied industries have always
required bearings which resist corrosion, require little
or no lubrication and can operate in contact with the
product. The advent of engineering plastics and the
unique Sheedy concepts and development programme to
improve stability, centering on stainless steel as the
primary metallic component, led to the first Sheedy
Bearing entering service in 1987. This bearing was the
forerunner of the current highly successful 456 Series
bearing range.
The
Sheedy Bearing, an original Australian development,
is completely designed and manufactured in Australia.
The bearings and concepts are protected by Australian
and International patents, and overseas markets are
being developed.
Sheedy
Bearings is investing in continued product development.
Materials development is a key part of this programme,
together with an extensive prototype and pre-production
testing programme. New materials are introduced following
an intense qualification assessment and our special
designs are produced for individual clients and difficult
applications.
The
Sheedy Bearing is interchangeable with industry standard
rolling element bearings and due to the unique design
concepts, are readily adaptable to many special applications
across the whole of the bearing spectrum. The bearings
and their wheel derivatives, are currently in use in
a wide range of difficult applications in many industries,
these include:
Steel
Processing
Canneries
Dairies
Meat Processing
Cement
Bakers Ovens
Conveying
Salt Works
Confectionery
Building Industry
General Engineering
Chicken Processing Chain Conveyors
The
Sheedy Secret
The Sheedy secret is three-fold, it is our QCP Programme;
Quality, Care and Progress. Quality in materials, design,
development, support and performance. Care for our clients,
product, staff and service. Progress in Australian development,
industry and materials development.
Bearing
Selection
Sheedy Bearings differ completely from rolling element
bearings and require specific selection procedures which
are unique. The selection procedure varies for the different
bearing types.
1.
The Sheedy Bearing is a unique and patented combination
of engineering plastics, advanced materials and surface
finishes. It is not a rolling element bearing and cannot
be treated as one.
2.
The unique corrosion resistance of the bearing and the
availability of plastics suitable for a wide range of
ambient temperatures, suit it to applications where
the "conventional" ball or roller bearing
cannot survive.
To
repeat a point, THIS BEARING IS DIFFERENT, it is not
a rolling element bearing. THE SELECTION PROCEDURE IS
DIFFERENT AND MUST BE FOLLOWED, rolling element bearing
approaches are not applicable.
Successful
bearing selection depends upon the proper identification
of the required Static and Dynamic loads which the bearing
is to carry.
These loadings must be assessed in both the Radial and
Axial directions. In this sense:
Static Load -
means the maximum load which will be applied to the
bearing with both the bearing and shaft stationary.
Dynamic Load -
means the maximum load which will be applied to the
bearing with the bearing and/or the shaft in motion.
Radial Load -
means the load on the bearing perpendicular (that is
- at right angles) to the line of the shaft.
Axial Load -
means the load on the bearing along the line of the
shaft. This may also be termed the Thrust load.
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P.O. Box 1192, Echuca VIC 3564, AUSTRALIA
