| 摘要 |
There is disclosed a mold ( 1 ) for casting including: a lower mold ( 6 ) having four gates ( 5 ) (at least one gate); an upper mold ( 7 ) being matched with the lower mold ( 6 ) to form a cavity; and side molds ( 2 a), ( 2 b) being matched with the lower mold ( 6 ) and upper mold ( 7 ) to form the cavity and being split (into at least two). In the mold ( 1 ) for casting is constituted an upper surface of a weir ( 4 ) of a flat portion of side molds ( 2 a), ( 2 b), and other surfaces of the weir ( 4 ) is constituted of a concave portion of the lower molds ( 6 ), and the weir ( 4 ) is disposed so as to keep a parting line ( 3 ) between the side molds ( 2 a), ( 2 b) away. The mold ( 1 ) for casting can easily be demolded, and the desired number of gate systems can be formed in desired positions.
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