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顶臂冲压件(图1)是我厂某产品中的关键零件之一。但由于该冲压件尺寸比较大,板料厚(δ=5mm),零件外形复杂,给毛坯的生产带来许多困难。
Top arm stamping parts (Figure 1) is one of the key parts of a plant in our factory. However, due to the size of the stamping is relatively large, sheet thickness (δ = 5mm), parts of complex shape, the rough for the production of many difficulties.