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Electro-Chemical Deburring


This process is commonly used on very small intricate parts. Parts are attached to a fixture and submerged in a conductive bath, as electrical current passes through the part and electrolyte, and electro-chemical process takes place at the part surface. The electrical current concentrates at points (the burrs) and along the part edges. This effect causes metal to be selectively dissolved at the burred edges thus effectively removing the burrs and leaving the surfaces of the part mostly unaffected. The edges become slightly radiused. Most deburring applications are accomplished in 30 to 90 seconds. There are parts, which may require several minutes and others that require only a few seconds. Since many parts can be attached to the same fixture together and processed at the same time, the per-piece cycle time is greatly reduced.
 

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