Die casting is the process where molten metal is force into the die cavity at high pressures. There are two types of die casting; hot camber process and cold chamber process. Please describe and draw the schematic illustration to represent each of them.
1. Die casting is the process where molten metal is force into the die cavity at high pressures. There are two types of die casting; hot camber process and cold chamber process. Please describe and draw the schematic illustration to represent each of them.
2.
a) Flat rolling reduces the thickness of plates and sheets. It is possible, instead, to reduce their thickness simply by stretching the material? Would this be a feasible process? Explain.
b) Defects may be present on the surfaces of rolled plates and sheets, or there may be internal structural defects. Defects are undesirable not only because they adversely affect surface appearance, but also because they may affect strength, formability, and other manufacturing characteristics of the rolled sheets. Describes the typical defects in flat rolling by providing the schematic illustration for each of them.
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