Sales and operations planning for Lean manufacturers

Long-term strategies needed to compete in dynamic business environments

By Zachary Moran Leffakis and Summer Shaw

Lean production systems are designed to meet actual daily demand for a constant product mix at a uniform level of volume output with minimal process resources and waste. Weekly heijunka schedules and kanban containers are the primary production planning and control mechanisms to meet this operational goal. These short-term scheduling mechanisms are frozen for an extended period of time, establishing a stable production boundary for a smooth, constant mix of product output to meet market demand without excess inventory and spare capacity.

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