Lost foam casting is the way of casting production using the model made of material called expanded polystyrene. Such casting method provides the possibility to increase the precision of castings and greatly reduce machining allowance.
The weight of produced castings from 0,25 till 25 kg.
Roughness is in accordance with GOST* 26645-85, for cast iron castings is 3,2 Ra, for steel castings is 6,3 Ra.
Precision of castings is from the 6th grade of precision in accordance with GOST* 26645-85.
Material of casings:
- flake graphite cast iron
- constructional unalloyed steel
- constructional alloyed steell
*GOST is a State Quality Standard, it is analog of DIN EN ISO international quality standard