Aluminum alloy splicing welding plate forming technology
A technology for forming and processing aluminum alloy sheets, which is applied in the field of material processing, can solve the problems of AGG, many times of heating, and long holding time in welds, etc., to simplify the traditional hot stamping process, reduce deformation resistance and springback, The effect of improving formability
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[0043] Example 1
[0044] The 2024 aluminum alloy sheet is tailored by the present invention, including the following steps:
[0045] The first step is to carry out friction stir welding of two 2024 aluminum alloy plates, the welding speed is 100mm / min, and the speed of the stirring head is 800r / min;
[0046]The second step, the plate obtained after the first step of welding is put into the furnace for heat preservation, the temperature is 450 ℃, and the heat preservation time is 5 minutes;
[0047] The third step is to quickly transfer the heat-insulated tailor-welded blanks to the stamping die for stamping treatment and quench and maintain the pressure in the die for 10S;
[0048] The fourth step is to perform cold trimming treatment on the stamped sheet;
[0049] The fifth step is to perform machining to obtain a finished product.
Example Embodiment
[0050] Example 2
[0051] Adopt the present invention to carry out tailor-welding forming to 7075 aluminum alloy plate, including the following steps:
[0052] The first step is to carry out friction stir welding of two 7075 aluminum alloy plates, the welding speed is 100mm / min, and the speed of the stirring head is 800r / min;
[0053] The second step, the plate obtained after the first step of welding is put into the furnace for heat preservation, the temperature is 300 ℃, and the heat preservation time is 5 minutes;
[0054] The third step is to quickly transfer the heat-insulated tailor-welded blanks to the stamping die for stamping treatment and quench and maintain the pressure in the die for 10S;
[0055] The fourth step is to perform cold trimming treatment on the stamped sheet;
[0056] The fifth step is to perform machining to obtain a finished product.
Example Embodiment
[0057] Example 3
[0058] Adopting the present invention to carry out tailor-welding forming of 7075 and 2024 dissimilar aluminum alloy sheets, the following steps are included:
[0059] The first step is to carry out friction stir welding of 7075 and 2024 aluminum alloy plates, of which 7075 is placed on the forward side, 2024 is placed on the backward side, the welding speed is 50mm / min, and the speed of the stirring head is 1000r / min;
[0060] The second step, the plate obtained after the first step of welding is put into the furnace for heat preservation, the temperature is 350 ℃, and the heat preservation time is 5 minutes;
[0061] The third step is to quickly transfer the heat-insulated tailor-welded blanks to the stamping die for stamping treatment and quench and maintain the pressure in the die for 10S;
[0062] The fourth step is to perform cold trimming treatment on the stamped sheet;
[0063] The fifth step is to perform machining to obtain a finished product.
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