Lean principles are difficult to employ in complex environments, but materials requirement planning has well-known limitations. The theory of constraints, which is complementary to lean manufacturing when it comes to low volumes and complex environments, may provide an answer.
benefits of lean
reap the primary lean benefits of smaller lots, shorter lead times, reduced inventory and work-in-process (WIP), and higher quality. Infor , for example, claims that dozens of its customers, operating in a similar environment, have had significant improvements in performance and profitability within two or three months. As long as management buys in, the methods and the tools are available. There is some relativism to be considered, however, since the improvements may not be on par with those obtained by