Pressing
There are three types of pressing.
Hot Pressing
Plate Heated above recrystallisation temperature. Heat is applied to soften the piece of metal & pressing is done above recrystallisation temperature.
Warm Pressing
Plate is Heated below recrystallisation temperature. Benefit of process is heat treatment is avoided.
Cold Pressing
Forming process carried out at room temperature. It's main advantage is good surface finishing with precise dimension. However it is a slow process compare to hot and warm pressing.
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