我厂最近采用在300吨摩擦压力机上用组合冲模冲压货车转向架摇枕弹簧盖板,效果良好.质量、效率都有显著提高.对于轮廊尺寸较大和形状复杂的配件,采用组合冲模使模具加工和模具热处理都得到方便,有其突出优点.冲模结构如图1所示. 一、有关参数(图2) I plant recently used 300 tons friction press with a combination of stamping truck bolster bumper spring cover plate, the effect is good. Quality and efficiency have significantly improved. For the larger size and shape of the wheelchair accessories, the use of modular die to die Processing and mold heat treatment are convenient, has its outstanding advantages. Die structure shown in Figure 1. First, the parameters (Figure 2)