Refer to heat loss the temperature drop every transferring step.
When the melting start and temp increasing to 1450°C and ready to transfer
Tapping process heat loss 50°C to ladel
The molten metal in ladel losing about 40°C (within 5-10 min.) during this step we can classify to 2 by following :
A. From the ladel to tilling in the pouring device heat loss while transfer about 30°C.
If a device is unheat system the process must calculate to covering temp. loss
1. Ladel transportation 40°C
2. Till in to the Pouring device 30°C
Therefore it depend on capacity of poring system.
B. Manual pouring from Ladel to sand mould temp loss about 8-12 °C.
Remark: Ladel capacity and pouring time it’s importance to be aware.