| 摘要 |
<p>A casting apparatus (100), comprising: a heating chamber (102) having an open lower end defined by a periphery; a chill plate (122) having a peripheral region for supporting one or more casting molds thereon and being movable to move the molds from within the heating chamber to bellow the lower end of the heating chamber to withdraw the casting molds from the heating chamber; a cooling spool (112) disposed at the periphery of the open lower end of the heating chamber and the casting molds; and a spool shield (150) disposed at the cooling spool and movable to control an amount of the surface area of the cooling spool available for receiving the heat energy. In another embodiment there is a second spool shield (132) at an additional inner cooling spool (130).</p> |
