Also known as a Heijunka Board, Lean Schedule Box, or a Post Office Box A Heijunka Box is a physical device used to level the flow of work volumeand variety mix. (Contrast this with thePitch Boardor Priority Board, which level work volume only) A Heijunka box is usually a mailbox-look...
Production leveling, also known asheijunka(平準化) or production smoothing, is one of the hottest topics in lean manufacturing. Successful leveling is considered one of the highest achievements in lean manufacturing. Unfortunately,if the production system is not ready for leveling, it also has lots...
Probably among the most popular leveling approaches isEvery Part Every Interval (EPEI). Often, this is the method people mean when they talk aboutleveling(also known asheijunka[平準化]). The theory about this type of leveling is not very difficult. Unfortunately, hard facts of reality often ...
The focus of Lean is the reduction of waste and improved value to the customer. Mura - one of the forms of waste (muda) - comes from the Japanese word for unevenness. For example, in software development, there is a phenomenon known as the death march. It’s where, after slow and re...
There is a reason why Heijunka is a block in the foundation of the Toyota House, or the Lean House as some call it. The short answer is stability in an operation. The rest of this article will show Heijunka Examples, then discuss what can go wrong without it. I’ll also share 4 Vid...