| 摘要 |
The invention provides a hearth for a casting system, a casting system and method. The hearth (42,142,242,342,442,542,642,742,842) comprises a cavity, comprising a first end portion (252,352,452,552,652,752,852) and a second end portion (254,354,454,554,654,754,854), wherein a cross-sectional area of the cavity decreases between the first end portion and the second end portion, an inlet (146,246,346,446,546,646,746,846) at the first end portion, wherein the inlet defines an inlet capacity, and at least one outlet (148,248,348,448,548,648,748,848) at the second end portion, wherein each of the at least one outlets define an outlet capacity. The casting system can include an energy source and a hearth, which can have a cavity wherein a cross-sectional area of the cavity decreases between the first end portion and the second end portion. |
