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图示弯曲模中的零件用传统的整体模具加工是不能令人满意的,因为中间部分的金属容易产生很不规律的延伸和拉长。这个问题可用一套较简单的成型模具(见附图)来解决。模具的下模由一个框体1组成,内有一根起支撑和引导作用的推杆2。推
The parts shown in the bending mold are not satisfactorily machined with the conventional monolithic mold because the metal in the middle portion is prone to very irregular extension and elongation. This problem can be solved by using a simpler set of molds (see attached figure). The lower die of the mold consists of a frame body 1, inside which there is a push rod 2 which plays the role of support and guidance. Push