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冲压金属索环、孔眼、套圈系列 | BQUQ精密制造

这是BQUQ的冲压金属索环、孔眼、套圈系列——一组精密冲压组件,适用于电缆穿线、织物加固、PCB支柱及流体密封套圈。我们提供±0.01 mm尺寸公差、同心特征最大0.02 mm跳动精度,标准尺寸交期7天。可选热处理后硬度可达45 HRC,确保零件在反复装配扭矩和振动下不开裂。 我们如何在批量冲压中保持±0.01 mm精度 我们位于东莞的工厂拥有20年历史,配备25吨至250吨高速冲


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这是BQUQ的冲压金属索环、孔眼、套圈系列——一组精密冲压组件,适用于电缆穿线、织物加固、PCB支柱及流体密封套圈。我们提供±0.01 mm尺寸公差、同心特征最大0.02 mm跳动精度,标准尺寸交期7天。可选热处理后硬度可达45 HRC,确保零件在反复装配扭矩和振动下不开裂。

我们如何在批量冲压中保持±0.01 mm精度

我们位于东莞的工厂拥有20年历史,配备25吨至250吨高速冲床,伺服送料精度达每次冲程±0.005 mm。级进模在厂内研磨,步距公差为0.002 mm,每件首件均使用光学投影仪检测。对于带卷边的索环,我们将卷曲半径控制在0.03 mm以内——防止电缆绝缘层磨损。用于织物的孔眼背面无毛刺(最大毛刺高度0.05 mm),因为锋利边缘会割断线材和皮肤。

索环和套圈使用的材料及热处理

我们常备12种原材料牌号,其中三种覆盖90%的需求。黄铜C2680(半硬态)用于导电和耐腐蚀场景。不锈钢304(退火态)用于医疗和海洋环境。弹簧钢C75(淬硬至42–45 HRC)用于必须夹紧且不松动的套圈。对于铝制索环,我们使用5052-H32——在法兰处弯曲时不会产生微裂纹。热处理在真空炉中进行(无氧化皮),并可增加哑光镀镍层(3–5 µm)以提高可焊性。

卷边、扩口顶部和法兰底座——我们可成型的形状

本系列涵盖三种主要几何形状。第一,用于橡胶密封件或线束的卷边索环:内径2.0 mm至30.0 mm,壁厚0.3–1.5 mm。第二,用于系带或通风格栅的扩口顶部孔眼:扩口角最大45°,带光滑沉孔以引导系带。第三,外表面为六角或滚花的压缩套圈:滚花节距0.8 mm,深度0.2 mm,适用于手拧接头。我们还生产混合零件——带集成弹簧垫圈唇边的索环,可省去单独的装配步骤。

跳动和同心度——旋转组件的关键数据

如果您的索环或套圈安装在旋转轴上或用于传感器对准,跳动是您需要关注的关键问题。我们的冲压件在内孔与外径之间保持≤0.02 mm总指示跳动(TIR)。这通过两阶段成型工艺实现:首先冲裁圆片,然后使用精整模具校正内孔,最后卷曲边缘。我们使用分辨率为0.5 µm的三坐标测量机验证跳动,并在每份检验证书上报告实际数值。对于非旋转零件,我们仍将同心度控制在0.05 mm以内——优于大多数行业对冲压孔眼的标准。

每次发货前全检——不仅仅是抽样检查

我们不仅依据AQL 1.0抽样标准发货。对于本系列,我们使用分辨率为0.01 mm的视觉系统对关键特征(内径、卷边高度和毛刺高度)进行100%尺寸检查。然后每批次抽取5件进行破坏性测试:用500 N载荷压碎索环,测量内径变形量——必须恢复到原始尺寸的0.03 mm以内。这对弹簧钢套圈尤为重要。每次发货均附带批次报告,包含原材料钢厂证书和镀层厚度测量数据。

表面处理和镀层选项——应对腐蚀和摩擦

标准冲压表面处理为平面区域Ra 1.6 µm,卷边区域Ra 3.2 µm。如需降低滑动电缆的摩擦,我们可增加PTFE浸渍阳极氧化(铝材)或干膜润滑剂(钢材),将摩擦系数从0.3降至0.1。户外使用场景,我们提供三价铬透明锌(8–12 µm),耐盐雾测试120小时。电子应用场景,我们在黄铜或磷青铜上做光亮镀锡(5–8 µm)——储存6个月后仍保持可焊性。所有镀层均符合RoHS和REACH标准,并通过第三方XRF测试验证。

交期、起订量及定制尺寸处理方式

标准尺寸(内径2–10 mm)从我们40套预制的模具中7天内发货。定制尺寸需要新模具——简单圆形索环需10–12天,扩口或滚花套圈需15天。起订量为零——我们接受您的首单为单件用于原型验证。确认后,我们可扩展至日产10,000件。模具费用在前20,000件中摊销,之后我们将模具图纸返还给您。如需详细了解冲压过程中的公差控制,请参阅我们的CNC加工公差指南。如果您将这些零件与切削工具配合使用,请查看我们的CNC切削刀具选用指南,以避免模具磨损问题。

规格数值/范围
材料黄铜C2680、不锈钢304、弹簧钢C75、铝5052-H32
内径范围2.0 mm – 30.0 mm
壁厚0.3 mm – 1.5 mm
硬度(冲压态)80–90 HRB(黄铜)、140–180 HV(不锈钢304)
硬度(热处理后)42–45 HRC(弹簧钢C75)
尺寸公差内径/外径±0.01 mm,法兰宽度±0.03 mm
跳动(TIR)≤0.02 mm
表面粗糙度(Ra)平面1.6 µm,卷边3.2 µm
毛刺高度(最大)0.05 mm
交期(标准)7天
交期(定制模具)10–15天
起订量无最低要求(原型=1件)

本系列定制尺寸的起订量是多少?

无起订量——我们生产单件原型供您验证,然后无需额外设置费用即可扩展至大批量生产。

能否匹配表中未列出的特定材料或镀层?

可以,我们常备12种库存牌号和5种镀层选项;请发送您的规格,我们将在24小时内确认可行性。

大批量生产时如何保证质量?

我们对关键尺寸进行100%视觉检测,每批次额外抽取5件进行破坏性压碎测试,并随零件附上完整检验报告。

带滚花表面的定制套圈实际交期是多久?

定制滚花套圈从图纸确认到首件需15天,同模具重复订单为7天。

请发送您的图纸,12小时内获得正式报价——请注明材料、尺寸和数量。发送邮件至sc@bquq.com或WhatsApp联系+86 13713157787。我们是位于中国东莞的精密制造合作伙伴,拥有20年冲压和CNC加工经验——无起订量,无最低订单要求,只提供精确零件。


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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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