Process: Wire Erosion


Wire erosion (wire discharge machining, WEDM, wire-cut EDM) is a method to cut metal pieces with electric pulses. It is generally used to cut hard materials or fragile components.

The wire, also called the electrode, leads pulsing electrical charges through the workpiece. The electricity creates sparks that cut the material into desired shapes. Usually, it is possible to adapt the electrical sparks, high power means quick machining, while low power results in fine tolerances.

A dielectric fluid removes cut material and lower the negative heat effects. It is also common that the whole workpiece is submerged during wire erosion.

Wire erosion has some advantages compared to conventional machining. One is that the cutting tool pressure is low, allowing for small and fragile components to be machined. Another is that is possible to machine big pieces or hardened materials, which are difficult to machine.

Wire erosion is typically used when the geometry of the component is simple, for more complex pieces see spark erosion.

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Wire Erosion projects for quote

  1. Drawings count: 0

    Machining-Wire Erosion

    This scientific apparatus company has an immediate requirement for the manufacture and EDM wire cutting cutting of the attached fluting jig. With an immediate order to place for this enquiry, the buyer requires delivery as soon as possible, as their existing jig is deteriorating. This order is only repeated every few years, so please treat this as a one-off requirement at this stage. **Due to the current health climate, we ask that you only submit a quotation for this project if you are in a position to fulfil the requirement. Please also be mindful that there may be a delay in buyer response due to widespread remote working.**

  2. Drawings count: 2

    Machining-Wire Erosion

    EDM wire erosion is required to extract tungsten carbide inserts from a free-issue drill bit for the mining industry. Having previously had this work completed in Chile, the client is now looking to return it to the UK and is keen to hear from suppliers who can assist. As well as having an immediate order to place, the client has advised that this will be repeatable work moving forward. **Due to the current health climate, we ask that you only submit a quotation for this project if you are in a position to fulfil the requirement.**

  3. Drawings count: 1

    Machining-Wire Erosion

    This new start-up company is looking for a supplier to manufacture this new design of stopper plate, which will become part of a paintball gun for the leisure industry. Quotes are sought for 50, 100, 200 and 3000 off. Good pricing per unit and overall quality/accuracy is vital for this enquiry. There is also opportunity for the manufacture of similar components, as well as further orders of this requirement going forward.

  4. Drawings count: 2

    Machining-Wire Erosion

    This company specialises in the bespoke designs of prosthetics and orthotics and has an order to place for these two designs of mild steel hinged jaws, which will be used as part of the elbow joint of a prosthetic arm. Quotes are required for 10 and 20 off of each jaw. Quality and accuracy of the finished product is of the utmost importance and pricing is also a key factor within this enquiry; once a relationship has been established, further projects could be made available in addition to this initial requirement.

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