Microtools movement

Some of the major factors related to EMM set-up which influence the phenomenon of the occurrence of microsparks are identified as [13], microtool movement, electrolyte circulation, lEG control and monitoring. 

In practice, each rotation of the tooth does not form a chip with a negative rake angle. Practically, this leads to numerous rotations of the tool without chip formation. The resulting effect is bending of the tool. During each rotation of the tool, the workpiece advances by a distance equal to the feed per tooth. Eventually, the cumulative movement of the workpiece reaches a critical distance and a chip can form. It has been estimated that a new microtool with an edge radius of 3 pm has a minimum uncut chip thickness of approximately 5 pm. 

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