| 摘要 |
<p>A method of centrifugal casting comprises the steps of forming moulding material in a flask (41) around a pattern (35) made of decomposable material removing the decomposable material pattern (35) whereby the moulding material provides a mould (42), spinning the mould about an axis (A), introducing into the mould molten metal, continuing to spin the mould whilst permitting the metal to solidify to thus produce a casting, removing the casting from the moulding material.</p> |
