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Centrifugal Casting

Centrifugal castings are often known as "close grain casting" since in centrifugal process, molten metal is promptly cooled down due to directional solidification fronts achieved because of heat extractions by metallic moulds and high compressive pressure exerted by the centrifugal force.

Horizontal Machine

Centrifugal Casting is generated by pouring molten metal into a mould that is being rotated or revolved. Both Centrifugal and Semi-Centrifugal casting can be related to casting that is turn on their own axis during the casting process.

Vertical Machine

The axis of rotation can be horizontal or inclined at any angle up to the vertical position. Molten metal is poured into the spinning mould cavity and the metal is held against the wall of the mould by centrifugal force. The rotation speed and metal pouring rate changes with the alloy and the size and shape being cast.

High wear quality is obtained. Physical properties like tensile creep and fatigue strength are comparatively increased over sand/static casting. Hundreds of metallic moulds are at hand to get rid of the price of buying and maintaining wooden patterns. Blow holes, porosity and inclusions are excluded before finish machining. Cast weight to finish weight ratio is ultimately reduced resulting in minor wastage of material. We undertake the components as per the customer's specification about material and drawing and supply in semi finished or finish machined condition.

Comparison

  • Sand / Static Casting
  • Spongy and uneven micro structure.
  • Linear & non-uniform grain flow.
  • Low tensile strength.
  • Low and non-uniform hardness.
  • Doesn't sustain impact loads.
  • Segregation is present.
  • Pattern is required.
  • Poor surface finish.
  • Micro-porosity is present
  • Life is comparatively less.
  • Centrifugal Casting
  • Dense & Even micro structure.
  • Radial & uniform grain flow.
  • Better tensile strength.
  • Hardness is more & uniform.
  • Withstands impact loads.
  • No effect of aggregation.
  • Pattern is not required.
  • Excellent surface finish.
  • Free from micro porosity.
  • Life is better.