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Q_(42)-250型棒料剪床改进前的床身模框和下模的结构如图1所示。在使用过程中,经常发生故障。其主要故障是:
Q_ (42) -250-type bar shear bed bed frame before the improvement and the structure of the lower mold shown in Figure 1. In the process of using, often failure. The main fault is: