Chapter 23 Changeover Reduction – SMED
If product changeovers are long or costly, there is a tendency to run long campaigns before changing to the next product, to minimize the overall penalty incurred. The EPQ logic reinforces this; long or costly changeovers drive the EPQ answers to long campaigns, resulting in longer product wheel cycles and higher inventories. A product wheel strategy will work in this situation and will improve operations, but better wheels can be designed if the changeovers can be shortened. Thus any product wheel initiative should include an analysis of changeover times and how they can be reduced.
SMED and Its Origins
Toyota recognized the value of faster changeovers in the early 1950s ...
Get Production Scheduling for the Process Industries now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
