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AI服务器EMI屏蔽罩支架系列 | BQUQ精密冲压

本系列为您的AI服务器机箱带来的价值 本系列提供完整的冲压EMI屏蔽罩和安装支架产品线,专为AI服务器机箱、GPU机笼和高速交换机外壳设计。您可获得在10 GHz频率下超过60 dB的稳定屏蔽效能,尺寸重复性保持在±0.02毫米以内,边缘毛刺控制在0.05毫米以下。定制零件的典型交货期为12个工作日,本系列标准SKU为5天。 我们如何控制冲压件的EMI间隙闭合 服务器机架中的EMI泄漏发生在面板


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本系列为您的AI服务器机箱带来的价值

本系列提供完整的冲压EMI屏蔽罩和安装支架产品线,专为AI服务器机箱、GPU机笼和高速交换机外壳设计。您可获得在10 GHz频率下超过60 dB的稳定屏蔽效能,尺寸重复性保持在±0.02毫米以内,边缘毛刺控制在0.05毫米以下。定制零件的典型交货期为12个工作日,本系列标准SKU为5天。

我们如何控制冲压件的EMI间隙闭合

服务器机架中的EMI泄漏发生在面板与屏蔽弹片之间的间隙处。我们的冲压模具间隙设置为材料厚度的4-6%,可产生干净的剪切区和最小的塌角。这使弹簧弹片的接触力保持在每片0.8-1.2 N,确保与配合表面的可靠接地。我们对每批次进行接触电阻测量——经过500次插拔循环后,平均值低于10 mΩ。

高频衰减用材料与表面处理

本系列常备三种主要合金:铍铜(C17200)用于最大弹簧记忆性能,磷青铜(C5210)用于成本敏感的射频垫片,以及301不锈钢(全硬态)用于结构支架。镀镍采用1-3 µm化学镀镍,符合ASTM B733标准。镀锡采用2-5 µm热浸哑光锡,符合ASTM B545标准。关键滑动表面的表面粗糙度为Ra 0.8 µm或更优。

我们在每个支架上保持的关键尺寸

AI服务器屏蔽罩最常见的两个失效点是弹片宽度和安装孔位置。我们将弹片宽度控制在±0.03毫米,孔中心距控制在±0.05毫米,100毫米长度上的整体平面度控制在0.1毫米。对于压配支架,我们将过盈量控制在0.02-0.04毫米,确保牢固装配而不使机箱变形。所有尺寸均在20°C的计量室中通过三坐标测量机验证。

每次发货前的检验:我们的测量项目

我们不会跳过批次检验。每一批AI服务器EMI屏蔽罩支架系列产品都经过四道关卡:材料证书验证(钢厂测试报告)、按AQL 2.5标准进行尺寸抽样、100%目视检查镀层缺陷和毛刺,以及功能回弹测试。对于弹簧弹片,我们将每个样品压缩至自由高度的50%,并检查回弹高度与原始值的偏差在0.02毫米以内。我们还按照ASTM B117标准进行盐雾测试——镍镀层48小时,锡镀层72小时。

高产量AI机架用模具与模具寿命

您的AI服务器产量将快速爬坡。我们的级进模在冲头和凹模部分使用硬质合金镶件(K20牌号),刀具寿命在重新刃磨前可达150-200万次冲程。我们在工具室为每套在用模具保留备用镶件,磨损冲头可在4小时内更换。这降低了您的停机风险。我们还提供模具维护服务:每20万次冲程对模具进行重新认证,并向您发送磨损报告。

全球服务器装配线的包装与交付

零件采用防静电托盘包装,每个槽位单独放置,防止运输过程中弹片弯曲。每个托盘可容纳50个支架,我们使用5层瓦楞纸箱,抗压强度为12 kg/cm²。空运从东莞到洛杉矶或法兰克福的交货期为5天。海运至美国西海岸为18天。每个箱子都标有条形码、零件号和批次ID,可完全追溯到原始卷料。

参数规格/数值
基材C17200铍铜、C5210磷青铜、AISI 301不锈钢
材料厚度0.15毫米 – 2.0毫米
硬度(冲压态)HV 380-420(铍铜)、HV 250-300(磷青铜)、HRC 40-44(SS301)
尺寸公差关键特征±0.02毫米
表面粗糙度(关键区域)Ra 0.8 µm最大值
平面度(每100毫米长度)0.1毫米最大值
弹簧弹片接触力每片0.8 – 1.2 N
电接触电阻500次循环后< 10 mΩ
交货期(定制模具)12个工作日
交货期(标准SKU)5个工作日
起订量无起订量——接受试产订单
镀层选项化学镀镍1-3 µm、哑光锡2-5 µm

为什么我们的冲压工艺在EMI零件上优于CNC加工

CNC加工薄弹簧弹片速度慢且会留下微毛刺。我们的冲压工艺每分钟可生产100个零件,冲裁边缘经过加工硬化,与机加工边缘相比,弹簧弹片的疲劳寿命可提高多达40%。如需深入了解切削刀具如何影响精密零件,请参阅我们的CNC切削刀具选择指南。关于不同工艺的通用公差限制,请参阅我们的CNC加工公差指南。该指南解释了为什么冲压件能达到与机加工件不同的公差。

新型AI服务器设计的试产流程

请将您的3D模型以STEP或IGES格式发送给我们。我们将在24小时内进行DFM分析,并准确告知您哪些特征对EMI性能至关重要。对于试产,我们使用带简化镶件的硬模具以降低模具成本——通常每个零件编号为800-1500美元。您可在7天内获得200件用于装配测试。设计验证通过后,我们转入生产模具,零件几何形状不变。

本系列的最小起订量是多少?

没有起订量——我们接受50件用于测试的试产订单,标准生产订单每月可从5,000件扩展到1,000,000件。

你们可以定制弹片形状或安装孔布局吗?

可以,我们可以修改模具镶件以适应任何定制弹片几何形状、孔布局或开孔形状,模具成本为800-1500美元,首批样品交货期为7天。

你们如何确保高频屏蔽性能的质量?

我们对每个零件进行100%目视检查,并按AQL 2.5标准进行统计三坐标抽检,同时从每批次中抽取5个样品测试接触电阻,确保屏蔽性能保持在10 mΩ以下。

本系列定制支架的典型交货期是多久?

定制模具和首件需要12个工作日,模具批准后,重复生产订单在5-7个工作日内发货。

12小时内获取AI服务器EMI屏蔽罩的确定报价

将您的图纸或3D模型发送至sc@bquq.com。我们将在工作日的12小时内返回包含模具成本、单件价格和交货日期的确定报价。如有紧急问题,可通过WhatsApp联系我们的工程团队,电话+86 13713157787。我们是一家中国精密制造工厂,产品销往全球。无起订量,无隐藏模具费用——只为您的确切零件提供清晰报价。


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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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