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Industrial Engineering Concept

The importance of Quick Changeover is becoming
more and more important in every type of industry
nowadays. A rapid changeover capability is widely
acknowledged as an essential prerequisite to
flexible, responsive small batch manufacturing. Its
importance in mass customization is recognized,
where minimal losses need to be incurred as
manufacture switches between differing products.
Retrospective improvement of existing changeover
practice is often undertaken, arising from pressure
to respond better to customer demands, wherein
improvement personnel frequently engage Shigeo
Shingo’s Single Minute Exchange of Die (SMED)
methodology to achieve better performance.
Irrespective of the improvement methodology that
is employed this paper assesses two fundamental
mechanisms by which better changeovers might be
achieved. First, improvement can occur by altering
when tasks are conducted. Better allocation of tasks
to the resources necessary to conduct them is
sought, where the tasks themselves remain
essentially unchanged. The second mechanism is to
seek structural change to existing tasks, thereby
intrinsically enabling them to be completed more
quickly. These two mechanisms are described in
relation to use of the SMED methodology, where it
is argued that, by reinterpreting Shingo’s work,
greater clarity of potential improvement options can
be gained.



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Wed, 13/04/2011 - 10:36

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