SFB/ TRR 136 – Process Signature for Electrochemical Machining Processes


Your Benefit

Mayor prerequisite for flexible and adaptive production processes is a deep understanding of the machining process. This challenge is addressed by the collaborative research center "Process Signatures". For the process of electrochemical machining (ECM), existing process models have been extended at WZL so that resulting surface topographies can be forecasted and set up a priori in future. Additionally, technological process limits, like the evolution of flow grooves or pitting corrosion, are determined numerically.

Our Approach

The material rim zone decisively determines the functionality of manufactured components. During the production process, this rim zone is significantly modified by the manufacturing processes and the material history. With the concept of process signatures, which describes the interrelationship between process-induced material loadings and resulting material modifications, manufacturing-related changes in the workpiece rim zone are predicted and adjusted in the sense of component functionality. For this reason, the electrochemical dissolution behavior of material phases was modeled in a way that the different resulting material modifications can be forecasted and set up in the machining process afterwards. In this manner, the different dissolution behavior of several material phases in a multi phase material can be determined for the ECM process and thus, resulting surface topographies can be computed in advance.

Our Services

• Analysis of energy flow in ECM process
• Identification of critical processing condition
• Prediction of resulting surface integrities for electrochemical processes
• Process design for optimized rim zone properties


Haben Sie Fragen zu diesem Projekt?

Your contact:
Tim Herrig, M.Sc. RWTH
Workgroup Leader
Cluster Produktionstechnik 3A 234
Tel.: +49 241 80-28008
Fax: +49 241 80-22293
Mail: T.Herrig@wzl.rwth-aachen.de