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ECM - Electro-Chemical Machining
ECM - Electro-Chemical Machining is the generic term for a variety of electrochemical processes. ECM is used to machine workpieces by electrolytically dissolving the metal. The process is used in aerospace engineering and the automotive, medical equipment, microsystem and power supply industries.
ECM can be applied to all kinds of metal – even high-alloy materials, such as nickel- and titanium- based ones – and also to hardened materials.
None of the disadvantages experienced with conventional machining methods – e.g. tool wear, mechanical stresses, micro-fissures caused by heat transfers, surface oxidation or the need for subsequent deburring operations – are present in this process, as it is a contactless procedure with no heat input.
All electro-chemical machining processes are characterised by internally stress-free stock removal, gentle transitions and smooth surfaces without burr formation.
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