Instruction manual for Billet casting at CCM
A. Safety Instruction - Safety precautions in the area of liquid steel i.e. around ladle handling, casting floor.
Safely materials are to be used by the operators :
B. Preparation, of steel prior to casting.
Ladle preparation - Lining is generally divided into two parts and must be checked regularly
Tundish practice -
1. Distribution of molten metal. 2. Inclusion separation. 3. Control of steel flow rate. In open pouring the following materials to be checked.
1. Tundish. 2. Well block. 3. Tundish nozzle.
Stopper rod preparation before casting :
Pressure and temperature of the water:
Primary water pressure 45 kg/m2, flow - 950 -1000 Imp.
Secondary water pressure 3.5kg/cm2 in ring zone.
1st zone -1.5 kg/cm2
2nd zone - 0.5 kg/cm2.
The following things are to be checked and maintained :