HomeElectrochemical Machining

Electrochemical Machining

Electrochemical Machining (ECM) [chemical machining] is a relatively new method of removing metal by an electro chemical process.

Electrochemical Machine	Electrochemical Machined Sample part

Electrochemical Machining Process - Chemical Machining

Principle of operation:

During Electrochemical Machining, a direct current with high density

Methods of Electrochemical Machining

Various industrial techniques have been developed on the basis of this ECM principle such as:

Electrochemical cutting Electrochemical ECM Electrochemical broaching Electrochemical drilling  Electrochemical deburring

Electrochemical machining is used for the manufacture of dies, press and glass-making molds, turbine and compressor blades for gas-turbine engine, the generation of passages, cavities, holes and slots in parts. ECM deburring is used for deburring of gears, hydraulic and fuel-system parts, small electronic components and engine parts.

Advantages of Electrochemical Machining

Electrochemical Machining has many advantages when compared to conventional machining.

• The components are not subject to either thermal or mechanical stress
• There is no tool wear during Electrochemical machining 
• Non-rigid and open work pieces can be machined easily as there is no contact between the tool and workpiece 
• Complex geometrical shapes can be machined repeatedly and accurately
• Electrochemical machining is a time saving process when compared with conventional machining
• During drilling, deep holes can be made or several holes at once.
• ECM deburring can debur difficult to access areas of parts.
• Fragile parts which cannot take more loads and also brittle material which tend to develop cracks during machining can be machined easily through Electrochemical machining
• Surface finishes of 25 μ in. can be achieved during Electrochemical machining

Material that can be cut with Electrochemical Machining

All types of conducting materials and alloys can be machined using Electrochemical machining.

Sample chemical machined parts

Processes: Turning Milling Laser Cutting Water Jet Cutting Wire EDM Tapping Bending Turret Punching Fine Blanking Blanking Steel Rule Die Cutting Drawing Injection Molding Extrusion Metal Casting Thermoforming Forging Springs Wire forming Powder Coating

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