Electroformed mould inserts, also called die inserts, are interchangeable blocks that form all or part of a mould cavity.
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The electroforming manufacturing method surpasses conventionally produced mould inserts where high-detail, polished surfaces are required, especially inside deep, narrow cavities.
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The electroforming manufacturing method generates an exact copy via replication in metal (typically nickel) of a master mandrel by a process called elctrodeposition. Specific benefits of electroforming are low unit costs, exact atomic scale, repeatability and excellent process control for quality. Often times the design engineer will find electroforming is preferred for many applications requiring a complex true geometric shape form factor, thin walls, and high repeatability.