Several points to note when electroforming aluminum extrusion dies

【China Aluminum Industry Network】The following points should be noted when electroforming aluminum extrusion dies:

1. The electric current of the wire cutting extrusion die hole is stable, so that the size of the die hole after cutting is even and the hole wall is flat;

2, cutting aluminum extrusion die hole when working with the current is not easy to be too large, to prevent the molten layer is too thick, because the molten layer is the die hole work with one of the main reasons for the cracking spalling, processing discharge gap control in 0.01mm;

3, EDM extrusion mold work with an empty knife, the current is not easy to be too large, to prevent the burned surface, the discharge gap is controlled in the 0.05 ~ 0.1mm, rough hit the empty knife when the height of the working belt 1mm remove The electrode is flattened, and the working surface of the electrode is corrected to be a curved surface (requiring that the surface is flat and the roughness is low) according to the width of the die hole working belt, the polarity is reversed, and the finish machining is performed so that the machining is ensured and the empty knife vertical surface is ensured. Smooth and smooth, reduce product surface mold lines.

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