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Maturity Model for the Development of New Forming Processes Applied to the Sheet-Bulk Metal Forming

Forming processes are characterized by high cost-effectiveness due to high material utilization and short forming process time. Therefore the development of new forming processes aims for overcoming the current process limitations to produce function extended components with a wider range of application and lower manufacturing costs. The comprehensive and complex development investigations of cause-effect relationships and interdependencies lead to an intransparent development status, whose assessment is often based on undefined and not reproducible criteria. This can result in wrong decisions with vain modifications that require subsequent changes associated with an increased effort. A valid characterization of the development status of new forming processes by maturity determination in early development phases can detect improvement potentials in order to apply effective measures with reduced efforts. Maturity models provide essential indicators and assign their values to maturity levels, whereby a uniform assessment base is created and comparability of the determined maturity values is ensured. On the basis of a combined reference model maturity-related indicators for assessing the development status of new forming processes are defined. The designed maturity model has been applied in the development of the Sheet-Bulk Metal Forming.