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Core process design

: Mertins, K.; Edeler, H.; Sauer, O.

Automotive Automation Ltd., Croydon:
Lean/Agile manufacturing in the automotive industries. Proceedings for the dedicated conference 1994
Croydon, 1994
ISBN: 0-947719-70-9
International Symposium on Automotive Technology and Automation (ISATA) <27, 1994, Aachen>
Fraunhofer IPK ()
business process reengineering; enterprise modeling; factory planning; Produktionsstrukturierung; Unternehmensmodellierung

To live a life beyond lean production European companies have to reorganize their structures using such strategic tools as value management, outsourcing and flexible manufacturing concerning their specific European characteristics. On one hand several methods have been worked out to support the make or buy decision process whether to keep services and the manufacturing of parts and subcomponents in-house or to buy them. Unfortunately cost oriented approaches like those based on transaction theory lack quantification of parameters because of traditional calculation- and controlling systems. Their practical use is yet limited. But during the last years it has become clear, that a proper use of make or buy concerning a corporations mix of strategies can strengthen its competitiveness. On the other hand various techniques help to structure the whole spectrum of parts into sets or part families to support the introduction of group technology or different forms of cellular manufacturing. Yet there still is a lack of methods that include both make or buy decisions derived from the company's stategy as well as the structuring of the production process based on the chosen core assemblies and components. The link between corporate and business strategies as described in the Swiss St. Galler management model (Gomez, 1993) and a set of criteria to identify a company's strategic 'make' components has been discussed in the previous paper. This article deals with a methodology to support the tasks on the modelling-/structuring level and the technological-/organizational level. The two mentioned papers describe a comprehensive approach to link the two issues of strategic make or buy and factory structuring and therefore support all tasks of comprehensive planning.