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How to select vulnerable parts and consumables for EDM drilling?

Dec. 10, 2020

Electrode copper tube of EDM drilling

Copper tube is an indispensable vulnerable part of EDM drilling and also a common consumable. When drilling, the electrode loss is generally 80% - 100%, so a 400mm long copper tube is usually removed from the clamping part, that is, less than ten 20mm thick holes can be drilled. The quality of copper tube directly determines the quality of drilling and the life of consumables.

Electrode sealing ring of EDM drilling

The electrode sealing ring is used with electrode copper tube. Since the EDM piercer is cooled by high pressure, the sealing ring is very important. In case of water leakage at the electrode, replace the sealing ring in time.

Seal ring of water pump in EDM drilling

Because the water pump of the electric spark perforator has been running under high pressure for a long time, the high-pressure water pump is easy to leak due to the aging of the sealing ring after using for a period of time. It is suggested to check the high-pressure water pump regularly and keep the normal oil level. In case of water leakage, replace the sealing ring in time. In order not to damage the pump body, please select the original consumables.


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