Technological decision process at lean production system

The research is a qualitative study about as some typical technological decision is made in manufacturing environmental using lean production principles. For example: changes in production line, replacement of a machine or choice of a new machine. The method was an interview in deeply done with three former executives from Brazilian subsidiary of Toyota. In investigation was found some steps of decision process of Toyota production system established in literature as such nemawashi (building consensus during discussion of idea) and genchi genbutsu (to get data directly in shop floor). It was evaluated as these decisions´ tools are practiced in company. In conclusion was identified one structure of metadecision in specific system of lean decision, called by the author as lean decision way.