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1h
Conducting of Melting
It is necessary to change a level of melt in a crucible in order
to avoid fretting of crucible walls by drosses on a “mirror” of metal.
Enter the components only into molten metal.
Keep strictly to necessary quantity of chemical components for
modification of alloys.
It is forbidden categorically to warm up a crucible with metal
stiffened in it. The hole for emergency output of molten metal
in furnace should be closed.
Metal melting is necessary to conduct as soon as possible.
Don't leave empty crucible in the furnace between meltings.
Period between meltings should be minimal.
Cleaning of the Crucibles
At disconnection of the furnace it is necessary to remove the fluid
melt from crucible. At the end of melting process the
drosses should be accurately cleaned off from an internal surface
of hot crucible with the help of the metal scraper or blade.
1h
100°С
в час
In induction furnaces where heating and metal fusion occur at
the expense of currents proceeding in it, and the crucible is heated
from metal, it is recommended to increase gradually the energy to
provide uniform heating of the crucible. The optimum decision in
this case is the continuous operating mode.
After breaks in work (e.g. stops during weekends) it is necessary
to warm up slowly the empty crucibles in the furnace, regardless
of its type.