| 摘要 |
The invention provides a die for casting inhibiting generation of air holes at the protrusion part of a product. The die (1) for casting is provided with a forming surface (20), the forming surface is provided with a cavity used for forming the product, the forming surface (20) is provided with a concave part (2) forming the protrusion part of the product, and a plurality of ribs (6) protruding from a bottom surface (5) toward the product side along the flow direction of a metal solution at the bottom surface (5) of the concave part (2).
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