Before aluminum forging, heating device can be used, forced furnace gas circulation device should be installed in the furnace to make the furnace temperature uniform, low sulfur fuel must be used when using gas or oil furnace, the furnace flame must not directly spray billet surface, gas semi-closed furnace has been widely used. When the aluminum forging process is highly automated, the common heating methods include induction heating, resistance heating and particle heating.
Aluminum alloy forging temperature range is narrow, easy to overheat, overburn, therefore, it is necessary to accurately measure and control the temperature, any thickness of the blank can be directly heated in a high-temperature furnace without preheating, but the heating time is longer than ordinary carbon steel.
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