6
THE INDUCTION HEATING PRINCIPLE
The induction heating principle consists in placing a metal within the influence of an oscillating magnetic field at
a determined frequency such as the one generated by an induction coil. In the centrifugal casting machine mod.
MODULAR 6 the frequency is 80 KHz.
All metals have induced within them “eddy currents” and the metal electrical resistance to these
currents provokes a temperature rise and eventual melting.
The “eddy currents” form a molecular movement in the melting metal and give a thermic homogeneity to the
melting mass as depicted by the pictures.
The induction heating results to be the best thermic energy source for melting and offers the following
advantages:
– unchanged metallurgical characteristics: elasticity, homogeneity, and ductility
– silent and clean working conditions
– higher purity of the molten metal
– great productivity
– high melting temperatures without jeopardizing the machine components
PICTURE 1
PICTURE 2
MODULAR 6
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