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精密冲压散热器夹片系列 | BQUQ 工厂直供

这是 BQUQ 的精密冲压散热器夹片系列:冲压夹片可将散热器牢固固定于 CPU、GPU、LED 阵列及功率模块上。每片夹片均由弹簧钢或不锈钢带冲压而成,随后热处理至 40–45 HRC,回弹重复精度达 ±0.02mm,整个夹片长度上的平面度公差为 0.05mm。您获得的夹片永不松脱,标准尺寸 7 天发货,成本低于机加工同类产品——全部来自我们位于中国东莞的 20 年工厂。 为何冲压夹片优于螺丝和


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这是 BQUQ 的精密冲压散热器夹片系列:冲压夹片可将散热器牢固固定于 CPU、GPU、LED 阵列及功率模块上。每片夹片均由弹簧钢或不锈钢带冲压而成,随后热处理至 40–45 HRC,回弹重复精度达 ±0.02mm,整个夹片长度上的平面度公差为 0.05mm。您获得的夹片永不松脱,标准尺寸 7 天发货,成本低于机加工同类产品——全部来自我们位于中国东莞的 20 年工厂。

为何冲压夹片优于螺丝和弹簧在热装配中的表现

螺丝增加装配时间并需扭矩控制。松散弹簧易晃动且压力下降。冲压散热器夹片为一体式:卡入散热器翅片或 PCB 孔位,施加 8–15N 的固定下压力(取决于材料和厚度),且不会因振动而松动。我们的夹片使散热器紧贴元件表面,与螺丝安装方式相比,热阻降低最高 18%。装配人工减少 40%,且无需单独的弹簧垫圈。

我们使用的材料与热处理工艺

我们常备三种夹片基材:SUS301 不锈钢(耐腐蚀)、C75 弹簧钢(高疲劳寿命)和 SK5 碳钢(成本敏感型批量)。所有夹片经连续炉处理:830–860°C 淬火,油淬,随后 380–420°C 回火,达到 40–45 HRC。屈服强度为 1200–1400 MPa,夹片可弯曲 100,000 次而无永久变形。如需更高耐热性,我们提供 430 不锈钢选项,额定连续工作温度 200°C。

尺寸控制:从带材到成品夹片

我们的级进模刃口研磨公差为 ±0.005mm。冲压件毛刺高度低于 0.03mm,表面处理前进行 20 分钟滚磨去毛刺。孔距公差控制在 ±0.02mm,夹片弯曲半径控制在 ±0.05mm 以内。我们使用校准测试台测量每片夹片的回弹力——每批次均附带力-变形曲线。这在冲压行业并不常见;我们这样做是因为夹片仅在力漂移时才会失效。

每次发货前的检验

每批次均进行三坐标测量机首件检验(FAI),并按 AQL 1.0 进行 2.5% 抽样。我们检查:硬度(洛氏 C)、平面度(平板配塞尺)、回弹力(测力传感器)和表面粗糙度(轮廓仪)。若任何样品不合格,整批重新分选或重新冲压。随货附完整检验报告及材质证书——不另收费。对于汽车或医疗客户,可按要求提供 PPAP 三级文件包。

适配常见散热器和 PCB 的尺寸

我们的系列涵盖 12 种标准夹片长度:20mm、25mm、30mm、35mm、40mm、45mm、50mm、55mm、60mm、70mm、80mm 和 100mm。夹片宽度选项:5mm、8mm、10mm 和 12mm。对于 TO-220 和 TO-247 封装,我们提供带中心螺丝安装孔的预成型夹片。对于 LED 模块,我们制造带两个安装孔(中心距 25.4mm)的平夹片。若您的散热器无孔,我们有推针式夹片,可通过 3.2mm 孔卡入 PCB。

表面处理与腐蚀防护

裸不锈钢夹片表面粗糙度 Ra 0.8µm。对于弹簧钢,我们提供镀锌(8–12µm)配透明或黄色铬酸盐处理,盐雾试验耐蚀 72 小时。需要黑色?我们提供发黑处理(0.5–1.5µm),哑光表面可减少光学组件中的眩光。所有表面处理均符合 RoHS 且无铅。如需避免任何涂层,我们可供应涂油或干膜润滑夹片——只需在图纸上注明即可。

定制夹片的交期与模具

标准夹片 7 天发货——无模具费。定制夹片需新开级进模:模具制造 15–20 天,随后生产 7 天。模具成本为 $800 至 $2,500,取决于夹片复杂度(弯曲次数、孔数和公差)。我们免费在模具库中保存您的模具 5 年;后续订单仅支付单件成本。模具投保并附 CAD 文件发送给您。

规格数值 / 范围
材料选项SUS301、C75、SK5、430 不锈钢
硬度(HRC)40–45(标准),430 不锈钢为 38–42
厚度范围0.15mm – 1.2mm
长度范围20mm – 100mm(标准)
宽度选项5mm、8mm、10mm、12mm
尺寸公差±0.02mm(孔距),±0.05mm(弯曲半径)
表面粗糙度(Ra)0.8µm(裸材),0.4µm(抛光)
平面度全长最大 0.05mm
弹力工作变形下 8N – 15N
交期(标准)下单后 7 天
交期(定制)模具 15–20 天 + 生产 7 天
起订量无起订量 — 可订 100 件或 1,000,000 件

如何订购样品并验证适配性

我们为系列中任何标准夹片免费寄送样品(最多 5 件)。只需告知长度和宽度,以及您的散热器或 PCB 厚度。对于定制夹片,50 件样品费用为 $50 加运费,可抵扣首批生产订单。我们建议您在工作温度下测试夹片的夹持力——我们的夹片额定连续工作温度范围为 -40°C 至 150°C。如需不同力值,我们可调整带材厚度或热处理工艺。

常见问题:起订量、定制、质量控制、交期

此系列有起订量要求吗?

无起订量——您可订 100 件用于打样,或 100,000 件用于量产,单价在 1k、5k 和 10k 件时享受阶梯折扣。

能否制造不在标准尺寸列表中的夹片?

可以,我们根据您的图纸或简单草图制造定制夹片——我们将在 24 小时内提供模具设计建议和 DFM 反馈。

如何确保大批量中夹片的一致性?

我们使用光学投影仪对关键尺寸进行 100% 全检,每 500 件抽样硬度测试一次,每批次附完整 FAI 报告。

紧急需要夹片时最快交期是多久?

对于库存标准夹片,我们通过 DHL 3 天发货;对于定制夹片,我们可将模具制造分两班进行,以满足 12 天交期。

从确定报价开始——而非猜测

将您的图纸或夹片尺寸发送至 sc@bquq.com,或通过 WhatsApp 联系 +86 13713157787。我们在 12 小时内回复确定报价(中国工作时间通常为 3–4 小时)。请附上散热器厚度、夹片长度和材料偏好。我们将确认弹力并根据您的使用环境建议表面处理方案。我们位于中国东莞的 20 年工厂,从模具到发货全程处理您的夹片订单——无中间商,无出口代理。

在评估夹片几何形状的同时,请查阅我们的CNC 刀具选择指南,确保散热器配合面加工至合适的表面粗糙度——夹片下的粗糙表面会降低传热效率。如需为散热器底座或 PCB 孔设定公差,请阅读我们的CNC 加工公差指南。两篇均为实用、无废话的干货。

立即发送邮件至 sc@bquq.com。或致电/WhatsApp +86 13713157787。我们将在今天——而非下周——明确您的需求并发送报价。这就是中国制造的精密加工,无起订量,绝不拖延您的进度。


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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