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Home > Lean Terms & Definitions > Mixed Model


The practice of making several different parts or products in varying lot sizes so a cell or factory produces close to the same mix of products that will be “sold” that day. Mixed modeling reduces WIP inventory by using small lots to allow rapid response to fluctuations in demand. Small lot production depends on short setup times achieved through Single Minute Exchange of Dies (SMED) activities.

Learn more about mixed model in Setup Time Reduction, Systems and Resource Management, and Sales Production Inventory (SPI Planning).