什么是二次冲压?成型后的增值操作
什么是二次冲压?成型后的增值操作

二次冲压是指对冲压金属零件进行的任何成形后操作,以改变其几何形状、表面、机械性能或装配就绪状态。这些操作——包括攻丝、锪孔、弯曲、压花、焊接和清洁——增加了主模具在单次冲压行程中无法实现的功能价值。虽然主冲压以高速创建基础形状,但二次冲压通常占零件总成本的15%至30%,并且对于满足最终图纸公差(±0.05毫米或更严格...

如何选择金属冲压材料厚度:规格选择指南
如何选择金属冲压材料厚度:规格选择指南

选择正确的金属冲压材料厚度,需要在功能载荷要求、材料成本、成形极限和可用冲床吨位之间取得平衡。选择过程受黑色金属和有色金属的标准规格号(Gauge Number)支配,其中规格号越低表示板材越厚,而您的最终选择必须根据冲压模具的弯曲半径和零件的尺寸公差进行验证。对于大多数精密应用而言,这意味着直接以毫米或英寸为单位指定...

冲压304、316和弹簧钢的最佳技巧是什么?
冲压304、316和弹簧钢的最佳技巧是什么?

对于不锈钢冲压,直接答案是:304不锈钢在成型性和耐腐蚀性之间提供了最佳平衡,适用于一般零件;316不锈钢适用于海洋或氯化物暴露环境;而弹簧钢(通常为301全硬态或17-7PH)则需要专门的模具和工艺控制,以防止开裂并实现一致的回弹。成功的关键在于将合金的加工硬化率与模具设计相匹配,对奥氏体不锈钢使用较慢的冲压速度(2...

冲压与激光切割:您应选择哪种钣金工艺?
冲压与激光切割:您应选择哪种钣金工艺?

对于产量超过1,000件的生产,冲压是更优选择,单件成本可低至0.05美元,公差可达±0.05毫米。对于小批量、原型制作或需要快速交付的复杂几何形状,激光切割则提供灵活性,无需模具成本,公差为±0.10毫米。决策的关键在于您的年产量、所需公差和材料厚度。冲压与激光切割的核心区别是什么?冲压是一种机械工艺,利用模具和压力...

冲压模具制造需要多长时间?交期指南
冲压模具制造需要多长时间?交期指南

对于典型的高产量金属冲压级进模,制造周期为6至10周。对于较简单的复合模或落料模,预计需要3至5周,而大型、复杂且自动化程度高的传递模则可能需要12至16周。这些时间线包括设计、材料采购、CNC加工、线切割、装配和现场试模,但不包括客户驱动的设计变更。哪些因素决定了冲压模具的总交付周期?交付周期的主要驱动因素是模具复杂...


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