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BQUQ金属冲压件 | 中国精密制造

BQUQ的金属冲压件是在25吨至250吨高速冲床上冷成型的部件,关键尺寸公差保持在±0.01 mm。您可获得表面粗糙度0.8 µm、平面度在0.05 mm以内的零件,原型模具交期24小时。这是中国制造的精密工艺,同时具备您期望于一级供应商的审计追踪和QC严谨性。 我们如何在大批量生产中保持±0.01 mm公差 我们的冲压模具由内部三菱线切割机研磨,而非外包。这使我们的模具间隙控制达到0.005


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BQUQ的金属冲压件是在25吨至250吨高速冲床上冷成型的部件,关键尺寸公差保持在±0.01 mm。您可获得表面粗糙度0.8 µm、平面度在0.05 mm以内的零件,原型模具交期24小时。这是中国制造的精密工艺,同时具备您期望于一级供应商的审计追踪和QC严谨性。

我们如何在大批量生产中保持±0.01 mm公差

我们的冲压模具由内部三菱线切割机研磨,而非外包。这使我们的模具间隙控制达到0.005 mm。对于超过5个工位的级进模,我们使用带滚珠导套的六导柱模架,消除横向漂移。对于孔间距要求严格的零件,我们增加微调导正销系统,在每次冲压前校正料带位置。结果:20,000件批次的首检合格率达99.2%,由CMM报告验证。

我们用于边缘硬度的材料与热处理

我们常备12种钢材、铜材和铝材。对于高磨损边缘,我们使用SK5、65Mn和SUS301。如果您的零件需要高于45 HRC的硬度,冲压后我们会将其送入内部真空炉处理。我们控制回火温度在±5°C以内。典型范围:40至58 HRC。对于电接触件,我们使用C2600黄铜,表面粗糙度0.15 µm Ra。对于结构支架,我们使用SPCC和DC01。所有卷料均附钢厂证书——无混炉混批。

去毛刺且不变形的二次加工

冲压会留下微观毛刺。对于小零件,我们使用滚筒抛光机去除;对于较大零件,使用高压水射流去毛刺线。然后对任何长度超过5 mm的边缘进行10倍放大下的100%目视检查。如果您的图纸指定倒角,我们会在模具中增加压印工序——无需手工锉削。这使边缘倒角保持一致,最大0.1 mm。对于带螺纹孔的零件,我们使用挤压攻丝,该工艺推挤材料而非切削,保持金属流线。

每次发货前的检验:五道独立关卡

我们不凭信任发货。每批产品经过五道关卡。第一,对首批5件进行首件检验(FAI),根据您的2D图纸测量所有尺寸。第二,每30分钟使用数显千分尺和塞规进行过程检验。第三,每1,000件中随机抽取3件进行最终CMM报告——我们测量每个关键孔上的6个点。第四,使用Mitutoyo SJ-210进行表面粗糙度检查。第五,根据您的采购订单进行包装和数量核对。每次发货均附带CMM和FAI PDF报告。

模具成本及我们如何保持原型模具经济实惠

原型模具并非生产模具。我们使用带标准冲头和模芯的模块化模具系统。与定制研磨模具相比,这可将模具成本降低40%。对于简单的平面零件,原型模具起价$300。对于10工位的级进模,价格为$2,500至$4,000。我们会在您的首批5,000件中摊销此模具成本,不额外收费。如果您后续转为大批量生产,我们会将设计转移到淬硬工具钢模具(D2或M2),适用于10万件以上的批量。

灵活的批量:从100件到200万件

我们不会强制您接受最低起订量。我们接受100件的原型批次和200万件的年度合同。我们的冲压车间全天候运行,因此我们将小订单插入大批量生产的间隙中。1,000件的典型交期为模具批准后5个工作日。100,000件则增加7天。我们为您的重复订单保留缓冲库存——您周一打电话,周四即可收到零件。这就是我们宣称无最小起订量的原因。您只需为所需数量付费。

冲压与CNC加工:何时选择哪种

如果您的零件具有复杂3D轮廓、深腔或精密内螺纹,CNC加工更合适。我们也提供此项服务——我们的3轴和5轴机床保持±0.005 mm公差。但对于平面零件、支架、卡扣或任何重复几何形状的零件,冲压速度快5倍,单件成本低30%。请参阅我们的CNC刀具选择指南了解刀具选择。关于公差决策,请阅读我们的CNC加工公差指南,了解哪些特征需要冲压而非二次机加工。

参数数值/范围
材料SPCC、SECC、SUS301/304、65Mn、SK5、C2600、6061-T6、5052
厚度0.1 mm至6.0 mm
零件尺寸(最大)500 mm x 300 mm
硬度(HRC)40–58 HRC(热处理后)
公差(关键)±0.01 mm
公差(一般)±0.05 mm
表面粗糙度(Ra)0.8 µm(标准),0.15 µm(抛光)
孔间跳动0.02 mm
平面度(每100 mm)0.05 mm
原型交期24小时(模具)+ 3天(零件)
最小起订量无最小起订量(接受100件)

金属冲压件的最小起订量是多少?

无最小起订量。我们接受100件的原型订单,并可扩展至每年200万件。

您能否根据我的特定孔位定制模具?

可以,我们根据您的2D或3D文件制造定制级进模,并在30天内免费保留模具设计供修改。

如果我的零件公差为0.01 mm,您如何确保质量?

我们对5件进行首件检验,然后每30分钟进行过程检验,外加每1,000件中随机抽取3件的最终CMM报告。

冲压订单的实际交期是多久?

原型模具需24小时,1,000件在5个工作日内发货;100,000件在12个工作日内发货。

发送您的图纸,12小时内获取精确报价。邮件sc@bquq.com或WhatsApp +86 13713157787。我们回复价格、模具成本和交期——绝不含糊其辞。


相关产品

参数

参数能力
材料SPCC、SGCC、SUS301/304/316、黄铜、铜、铍铜、磷青铜
工艺级进模冲压、精冲、深拉深、折弯、攻丝
公差±0.01mm标准,±0.005mm可按要求
表面处理镀锌、镀镍、镀锡、镀金、粉末喷涂、钝化、阳极氧化
模具尺寸最大1200 x 800 mm,16-250吨冲床
厚度0.05 - 6.0 mm板材,线材0.1 - 8.0 mm
打样7-15天模具制作,样品无最小起订量
检测每批次全检报告,CMM和三坐标光学测量

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