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飞机机尾翼上的一些钣金冲压件,往往具有对称性(即为左右件)。如图1所示的某前缘翼肋零件,右件如图,左件对称,材料为LY12M,料厚为0.6毫米。这类零件一般采用压延成形。过去对于这类左右件对称零件,都要设计、制造左、右件各一套压延模。为了减少模具套数,我们认为这类对称件的模具可以搞一模多用,即只要在同一套模具的有关部分各自在原来的位置翻过来使用,就可以使一套当两套用;如果把四项零件组合压延的话,就能一套
Some aircraft sheet metal stampings on the tail, often with symmetry (that is, left and right pieces). As shown in Figure 1, a leading edge rib parts, right piece shown in Figure, left piece symmetry, material LY12M, material thickness of 0.6 mm. Such parts are generally calendered. In the past for such a symmetrical left and right parts, we must design and manufacture of a left and right pieces of a calendering die. In order to reduce the number of mold sets, we believe that the mold of this type of symmetry can be a multi-purpose mold, that is, as long as the relevant part of the same set of molds in the original position turned over to use, you can make a set of two; if the four Parts of the combination of rolling, you can set