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STEP 1

In collaboration with the customer, the model to be cast is developed and two shared model plates of the casting are made to make the molds by machine.

With mold machines the two model plates are pressed into sand, creating a negative of the piece to be cast. The liquid cast iron is poured into the two sand sections.

Various mold systems are continuously used at Foundry Dereu.

STEP 2

The cast iron is melted in a rotary furnace with the aid of gas and oxygen at a temperature of around 1500 ° C / 2732 °F.

The bright white shiny cast iron is then poured into the sand molds with ladles.

STEP 3

After cooling for a considerable time, the casting is removed from the sand mold and cleaned in a steel blasting machine.

Afterwards, the small unwanted burrs and irregularities are removed by a sharpener and the casting can be delivered to the customer