domingo, 13 de septiembre de 2015

Logistionary: Heijunka


Heijunka means sequencing or smoothing of production. It has been definied as: “Leveling the type and quantity of production over a fixed period of time. This enables production to efficiently meet customer demands while avoiding batching and results in minimum inventories, capital costs, manpower, and production lead time through the whole value stream”.

The goal of this technique developed by Toyota as a mean to standardise work, is to produce intermediate goods at a constant rate so that further processing may also be carried out at a constant and predictable rate. This is achieved by switching from a line dedicated to a single product, which is therefore sensitive to sales variations, to a flexible line capable of manufacturing several types of product.

Some of the advantages of leveling production are:

  • Flexibility to make what the customer wants when they want it.
  • Reduced risk of unsold goods.
  • Balanced use of labor and machines.
  • Smoothed demand on the upstream processes and suppliers

The video below explains in detail production levelling, but if you still want a more thorough explanation check the second video out!






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