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Seven Steps for Selecting An Extrusion Press

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Seven Steps for Selecting An Extrusion Press

Al Kennedy, Kennedy Eurotech, Inc., USA


ABSTRACT --- Very few new extrusion presses are purchased each year, so
most managers and engineers in the extrusion industry do not have experience in
specifying or selecting a new press. Purchasing a new press is a major
responsibility because the press installed today will be in service for 50 years or
more. Therefore, it is important that the press specified will perform efficiently
and reliably, with minimum maintenance and operating cost throughout its entire
lifespan. When proposals from various press suppliers are evaluated, it is
necessary to compare construction details and features point-by-point for each
press. Where differences are identified, the press suppliers should be asked to
explain and justify their particular specification. Then the purchaser’s own
engineering evaluation may be made from the different explanations. For this
presentation, the decision process has been divided into seven steps. Taking
them in a logical order, it is possible to choose the size and type of press and
decide the features that are best suited for the purchaser’s needs. These
principles may also be applied when buying a used press or modernizing an older

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