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Notes for deep drawing of aluminum house drawing: The stretching must be done after the aluminum alloy profile is cooled to below 50 degrees before it can be moved to the stretching frame for stretching. If the temperature is too high, stretching will not only burn the human body, but also burn the tops, but also because it cannot completely eliminate aluminum Due to the internal stress of the alloy profile, it is absolutely waste products such as twisting, twisting, and poor function before and after aging. The stretching amount is controlled at about 1%, and it should be noted that if the stretching amount is too high, the head,…

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