Chapter 7

Controlling the Machining Process


Until now, no active control of micromachining with electrochemical discharges has been reported. This can be attributed to two main difficulties. The first difficulty is the observability of the process. As discussed at the end of this chapter, up to the present day it is not clear yet how the actual machining status can be observed where only partial information is available. The second difficulty is related to the question of how the machining process can be best influenced. For example, changing the machining voltage U will only partly influence the machining progress. Not all the local parameters, such as local temperature or chemical composition, will be controlled solely by U. Despite these ...

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