A method for integral liquid-filled forming of large annular lip parts
A liquid-filled forming and annular technology, applied in the field of aerospace sheet metal forming, can solve the problems of uneven deformation, difficult to eliminate springback phenomenon, difficult to control precision, etc., to reduce uneven deformation, good development potential, and reduce local defects Effect
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[0023] The following describes in detail the forming process of a typical annular lip piece formed by a method for forming a large-scale annular lip piece integrally liquid-filled forming method provided by the present invention with reference to the accompanying drawings and specific examples.
[0024] Such as Figure 1-Figure 3 As shown, the typical annular lip forming process provided by the present invention for the integral liquid filling forming method of large annular lip comprises the following steps:
[0025] 1) The shape of a typical annular lip piece formed is as follows figure 1 shown;
[0026] 2) Clean the surface of each part before the mold assembly to ensure the surface quality of the product and the service life of the mold equipment;
[0027] 3) if figure 2 Assembled transition forming die shown;
[0028] 4) Place the initial plate blank 3 on the die 6 of the transition forming die, position it through the stop block 4 of the transition forming die, and ...
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