Melting at the machine replaces energy-wasting central melters, super-heating, molten metal delivery ladles, launders, and holding furnaces.
Electrically melted metal typically yields castings with 20% better mechanical properties due to the elimination of water vapor from the gas-fired products of combustion. Water vapor contaminates aluminum by forming oxide (hard spots) and hydrogen porosity which degrade casting mechanical properties.
Magnesium and strontium, so critical to structural die casting properties, are less affected when electrically melted and quickly formed into castings, but can "fade" to dangerously low levels when exposed to high superheating temperatures in central melters and long time delays as the alloy slowly moves from central melter, through hot metal delivery system and holding furnaces. Like aluminum, both elements adversely react with water vapor from products of combustion in gas-fired furnaces.
Because sludge formation is time and temperature dependent, eliminating the superheating required by central melting and its associated hot metal delivery systems, and quickly turning freshly melted alloy into castings, sludge formation can be effectively minimized, reducing casting "hard spots" and weakened mechanical properties.
Each furnace in each casting cell can melt a different alloy.
Achieved with unique proportional controls, large two-ton bath, and non-contact molten metal level sensing for paced ingot addition.
Each furnace measures only 81" square by 49" high.
Click here for list of sizes
Click here for downloadable pdf