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Machining Processes - Sinker EDM Machining, Die Sinking, Spark Erosion

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Sinker EDM machining (often called die sinking) is a method by which electrical energy is used to shape and form metal parts. This process uses an electrical discharge that forms an arc between an electrode tool and a work piece to erode or remove metal in its path. Due to this erosion process, sinker EDM machining is often referred to as a 'non-contact' machining process. It is a reliable, affordable and accurate method of machining otherwise difficult materials, and is thus becoming more widely used.

Sinker EDM is a versatile machining method, that can perform jobs ranging from making holes, to sinking complex surfaces, all with the ability to hold very close tolerances. Sinker EDM machining is used for more complex shapes and it uses machined graphite or copper electrodes to erode the desired shape.

Because it can create intricate and complex parts, EDM machining is advantageous over other machining techniques. It can also machine hard materials and machine extremely small parts. The work piece does not get deformed through EDM machining; the finished product will not have burrs or heat damage. Also, through EDM machining, internal cavities can be cut because electrodes can rotate about two-three axis.

Common applications for EDM machining include creating plastic molds, die casting dies and forging dies. It can also be used for manufacturing engine parts such as titanium alloy or nickel based super alloy compressor blades. Prototype and production parts are more often made through EDM machining methods, especially in the aerospace and electronics industries because of the low production quantities. Other industries that use EDM machining include food and beverage, automobile, stamping, extruding, defense and medical.

 

Suppliers With This Capability

3D Systems, On Demand Manufacturing - Asia Pacific
  Nunawading VIC
0 out of 50 out of 50 out of 50 out of 50 out of 5
A One Engineering Services Pty Ltd
  Smithfield NSW
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BMP Engineering Pty Ltd
  Tullamarine VIC
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C&S Engineering & Toolmaking Pty Ltd
  Smeaton Grange NSW
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Camtech Engineering
  Labrador QLD
0 out of 50 out of 50 out of 50 out of 50 out of 5
DNA Engineering
  Campellfield VIC
4.97 out of 54.97 out of 54.97 out of 54.97 out of 54.97 out of 5
Hardman Bros
  Dingley Village VIC
0 out of 50 out of 50 out of 50 out of 50 out of 5
Harrop Engineering Australia
  Preston VIC
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MAC SURGICAL
  Brookvale NSW
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Nichol Industries
  Nunawading VIC
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Romar Engineering
  Sefton NSW
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Ronson Gears Pty Ltd
  Highett VIC
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Royal Australian Mint
  Deakin ACT
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SCH Engineering
  Clayton North VIC
0 out of 50 out of 50 out of 50 out of 50 out of 5
Tenlow Tool Pty Ltd
  Smithfield NSW
0 out of 50 out of 50 out of 50 out of 50 out of 5
Waddell Engineering
  Highett VIC
0 out of 50 out of 50 out of 50 out of 50 out of 5

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