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by Platinum (18.4k points)
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Metal Electrochemical Machining (ECM) is a non-traditional machining process that uses electrochemical reactions to remove material from a workpiece. Here's a simple explanation:


An electrolyte solution is used to create a conductive path between the workpiece (anode) and the tool (cathode).

Tool Design:

The tool is typically a shaped electrode made from a material like copper.

Electrolyte Flow:

The electrolyte solution flows between the tool and the workpiece.

Electric Potential:

An electric potential is applied between the tool and the workpiece, creating an electrochemical reaction.

Material Removal:

Metal ions from the workpiece dissolve into the electrolyte, resulting in the removal of material from the workpiece.

Contour Following:

ECM is capable of following complex contours and shapes, producing intricate and precise components.


Used for machining complex shapes in materials that are difficult to machine by traditional methods.


ECM is known for its ability to machine complex shapes without inducing mechanical stresses or generating heat.

In simple terms, Metal Electrochemical Machining is a process of using electrochemical reactions to selectively remove material from a workpiece, allowing for precise and intricate machining of complex shapes.

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