Centrifugal Casting

Centrifugal Castings are produced by pouring molten metal into a permanent mold that is rotated about its axis at high speeds (300 to 3000 rpm). The molten metal is centrifugally thrown towards the inside mold wall, where it solidifies after cooling. The axis of rotation may be horizontal or inclined at any angle up to the vertical position. The speed of rotation and metal pouring rate vary with the alloy and size and shape being cast. The casting is usually a fine grain casting with a very fine-grained outer diameter, the inside diameter has more impurities and inclusions, which can be machined away. The following operations include in centrifugal casting - rotation of mold at a known speed, pouring the molten metal, proper solidification rate, and extraction of the casting from the mold.