Four decades of manufacturing's hits, misses and smiles

Plant tours from years past highlight lean, JIT and TPS implementers and their methodologies

By Richard J. Schonberger

After nearly 40 years of intensive observation of manufacturers and their attempts to implement just-in-time (JIT) production, lean manufacturing or Toyota Production System, I’m attempting to apply my industrial engineering skill set (such as it is) to sort out some of the good, the bad and the muddled. In this article I’ll pick out a few highlights of that research seen in years past, with first emphasis on methodologies.

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