1, cast aluminum production is the first procedure. Main process are:
(1) Ingredients: According to the need to produce specific alloy grade, to calculate the amount of alloy elements added, with a reasonable variety of raw materials.
(2) melting: the process requirements with good raw materials are melted to join smelting furnace, and through outgassing, slag refining complex means to melt the slag, the gas effectively removed.
(3) Casting: aluminum smelting good solution in certain casting conditions, the casting system through deep, cool cast into all kinds of round cast bars.
2, extrusion: extrusion means for forming a profile. The first product under the profile section design, to create a mold,