CASTING PROCESS
Centrifugal casting is done by pouring molten metal into a rotating mould. The centrifugal force acting on the mould helps in feeding and positioning the metal in the mould. Mould rotation is continued till after the metal is solidified. Centrifugal casting results in denser and cleaner metal as heavier metal is thrown to parts of the mould away from the centre of rotation and the lighter impurities like slag, oxides and inclusion are squeezed out to the centre. The castings produced have a close grain structure, good detail, high density and superior mechanical properties. Elaborate gating and risering systems are not required as very simple systems will do the job. There is also a considerable saving of material. Types of centrifugal casting: Centrifugal casting can be divided into three categories namely true centrifugal casting, semi centrifugal casting and centrifuging. True centrifugal casting: The true centrifugal method of casting is used to produce ho...