什么是传递模?复杂零件的高速冲压
什么是传递模?复杂零件的高速冲压

传递模是一种多工位冲压工具,通过机械手指、导轨或吸盘将金属工件从一个工位物理传送到下一个工位,从而能够制造出无法在单个级进模中生产的复杂零件。与级进模不同(料带在整个过程中保持与载体连接),传递模在第一工位就将零件与料带完全分离,从而实现更深的拉深、侧向动作和更复杂的几何形状。在BQUQ,我们使用传递模进行大批量生产,...

什么是模具维护?为什么它对冲压质量至关重要?
什么是模具维护?为什么它对冲压质量至关重要?

模具维护是对冲压工具进行系统检查、清洁、修理和翻新的过程,目的是将其恢复至原有的几何精度和表面状态。其重要性在于,磨损或损坏的模具会直接将缺陷传递给每一个冲压零件,导致尺寸漂移、毛刺和表面划痕,造成废品率超过5%,以及每小时800–1500元人民币的计划外停机成本。对于像BQUQ这样拥有20年精密冲压经验的工厂而言,主...

如何设计金属冲压零件:钣金组件的DFM规则
如何设计金属冲压零件:钣金组件的DFM规则

为金属冲压设计零件时,需要遵循特定的面向制造的设计(DFM)规则,优先考虑均匀的壁厚、充足的弯曲半径和标准孔径。最关键的规则是保持最小弯曲半径至少为材料厚度的1倍,孔径大于或等于材料厚度,以防止模具失效和开裂。通过遵守这些约束,关键尺寸可实现±0.1毫米的公差,与非优化设计相比,单件成本最多可降低40%。冲压件的最小弯...

按工艺类型划分的金属冲压公差有哪些?
按工艺类型划分的金属冲压公差有哪些?

直接回答是:金属冲压的公差因工艺不同而有显著差异:级进冲压通常可保持在±0.001至±0.003英寸(0.025–0.076毫米),精冲可达到最严格的公差±0.0005至±0.0015英寸(0.013–0.038毫米),而深拉延的精度最低,为±0.003至±0.010英寸(0.076–0.254毫米),具体取决于拉延深...

什么是精冲?高质量边缘的精密冲压工艺
什么是精冲?高质量边缘的精密冲压工艺

精密冲裁是一种金属冲压工艺,可生产出具有完全剪切、光滑边缘和严格尺寸公差的零件,通常可实现100%的剪切面,而传统冲压通常仅为30-50%。与依赖断裂分离金属的标准冲压不同,精密冲裁使用三动压力机和V形环压印来抑制断裂,迫使材料发生塑性流动以实现清洁切割。该工艺提供的边缘质量和平面度可与机加工相媲美,但成本和周期时间仅...


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