EDM Spare Parts

Product Details

Description

  EDM, also known as electrical discharge machining, is a kind of special machining technology.

  Electric discharge machining is a special machining method that uses the electric erosion effect produced by the pulse discharge between the two electrodes immersed in the working fluid to ablate conductive materials. It is also called electric discharge machining or electro-erosion machining, and its English abbreviation is EDM. EDM can be used to process superhard materials and complex-shaped workpieces that are difficult to process by traditional cutting methods, but it is limited to conductive materials.

  The principle of EDM is to add a periodic and rapidly changing electric field between the conductive tool electrode and the workpiece, and the local high temperature generated by the pulse discharge will melt and vaporize the metal on the surface of the workpiece, thereby eroding the metal. Therefore, there is almost no need for cutting force.

  EDM is the most widely used in the mold manufacturing industry.

Parameter of EDM Parts

Molds in EDM are generally processed in coarse, medium and fine grades. Roughing is implemented with high power and low loss, while the middle and finishing electrodes have relatively large losses, but in general, the middle and finishing machining allowances are small, so the electrode losses are also very small, which can be compensated by machining size control, Ignored without affecting accuracy requirements. EDM discharge pulse time is long, which is conducive to reducing electrode loss.

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