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BQUQ折叠翅片铝散热器 | 精密CNC制造,中国出品

这款散热器的特性及其硬性数据 这是一款折叠翅片铝散热器,通过CNC加工基座和翅片槽,整个安装表面的平面度达到0.05 mm。您将获得一个与IGBT或CPU紧密贴合的导热界面,翅片密度最高可达每英寸10片,基座厚度从3 mm到25 mm,所有尺寸均保持在±0.05 mm的公差范围内。原型样品典型交期为7天,我们在每件产品发货前对关键尺寸进行100%全检。 为什么折叠翅片在高风量应用中优于挤压型材


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这款散热器的特性及其硬性数据

这是一款折叠翅片铝散热器,通过CNC加工基座和翅片槽,整个安装表面的平面度达到0.05 mm。您将获得一个与IGBT或CPU紧密贴合的导热界面,翅片密度最高可达每英寸10片,基座厚度从3 mm到25 mm,所有尺寸均保持在±0.05 mm的公差范围内。原型样品典型交期为7天,我们在每件产品发货前对关键尺寸进行100%全检。

为什么折叠翅片在高风量应用中优于挤压型材

挤压散热器在翅片纵横比约10:1时达到极限。我们的折叠翅片设计采用独立的铝板,弯折成U形,然后通过机械或粘接方式固定到CNC加工的基板上。这使我们能够实现100 mm的翅片高度,翅片厚度仅为0.2 mm——这是任何挤压工艺都无法做到的。与同等挤压型材相比,表面积可增加高达40%,这直接转化为强制对流应用中更低的热阻。

基座和安装孔的CNC加工精度

折叠翅片块是热性能的核心,但基座才是决定您装配成败的关键。我们在3轴和4轴CNC铣床上,使用6061-T6或6063-T5铝板加工基座。安装孔位置公差保持在±0.05 mm,沉孔深度控制在0.1 mm以内。我们还提供M2至M12的螺纹孔,每件产品的螺纹深度均通过通止规验证。如果您需要阶梯基座或用于热管的定制通道,我们会在翅片安装前直接将这些特征加工到板材中。

我们用于结构完整性的材料和热处理工艺

我们常备6061-T6(屈服强度276 MPa)和6063-T5(屈服强度145 MPa)用于基座。翅片原材料通常采用1100铝或3003合金,因其高热导率(222 W/m·K)和优异的弯折性能而被选用。成型后,折叠翅片块可根据您的振动要求进行退火处理或保持成型状态。对于军工或汽车级应用,我们施加25 µm厚的硬质阳极氧化涂层(MIL-A-8625 Type III),可将表面硬度提升至60 HRC等效值,并防止电偶腐蚀。

每批发货前的检测:三坐标测量机和表面轮廓仪

每批次产品,无论数量多少,都要经过三坐标测量机(CMM)对基座平面度和孔位进行检测。我们还使用表面轮廓仪对基座配合面进行检测,确认Ra值达到1.6 µm或更优。对于大批量订单,我们提供包含实际测量值的首件检验报告(FAIR)——不仅仅是合格/不合格的盖章。如果您需要材质证书或RoHS/REACH声明,我们会随装箱单一起提供,不收取额外费用。

可用于仿真分析的热性能数据

我们不提供模糊的热性能参数。对于标准100 mm x 100 mm基座、25 mm翅片高度、10 FPI的规格,我们可以提供来自我们内部风洞的实测压降和热阻曲线。典型值为:自然对流条件下,2 m/s风速时0.45 °C/W;带风扇条件下,4 m/s风速时0.18 °C/W。如果您需要特定的翅片间距或高度,我们会在报价前进行快速CFD检查,确认几何结构在热性能上合理。

运输过程中的包装和翅片保护

折叠翅片非常脆弱——箱子跌落就可能弯折10片翅片,毁掉散热性能。我们将每件散热器放入带独立翅片槽的瓦楞托盘内。基座用防静电泡沫包裹,整个产品装入双层瓦楞纸箱,最小边压强度为9.5 kg/cm²。超过100件的订单,我们使用带固定层的定制木托盘。绝不使用散装填充颗粒。

规格一览

参数数值/范围
基座材料6061-T6或6063-T5铝
翅片材料1100或3003铝板
基座厚度3 mm至25 mm
翅片高度10 mm至100 mm
翅片厚度0.2 mm至0.8 mm
翅片密度(FPI)每英寸4至10片
基座平面度公差100 mm长度内0.05 mm
孔位公差±0.05 mm
表面粗糙度(基座)Ra 1.6 µm(32 µin)
阳极氧化后硬度60 HRC等效值(Type III)
跳动(基座至翅片顶端)总指示读数0.05 mm
交期(原型)7天
交期(批量生产)15-20天
起订量无起订量(1件起订)

我们如何处理原型与小批量生产

折叠翅片散热器我们不收取单独的开模费,因为翅片是在我们自有的定制模具上通过简易折弯机成型的。对于1至5件的原型订单,我们使用手动折弯夹具,并从实心板材CNC加工基座。对于500件以上的批量生产,我们改用带快换模具的气动冲床,可将单件成本降低约30%。我们的工厂每周5天24小时运转,如有需要,1000件的订单可在10天内完成。

常见问题解答

定制折叠翅片散热器的最小起订量是多少?

没有起订量——我们接受单件原型,并可扩展至每月10,000件以上,而不会改变您的单件价格逻辑。

能否匹配我现有设计中的特定翅片密度或基座轮廓?

可以,只要几何结构保持在0.2 mm翅片厚度限制内,我们就会调整翅片折弯模具和CNC程序,以匹配您确切的翅片间距、高度和基座开孔。

你们如何验证500件散热器批次的质量?

我们使用三坐标测量机对首件进行检测,然后每10件使用高度规和销规检查基座平面度和孔位,所有超差零件都会拍照供您审阅。

50件加急订单的最快交期是多久?

如果您批准简单的2D PDF图纸,我们可以在5天内发货50件,但完全定制设计并附带CMM检测则需要标准的7天。

运输、成本及如何发送您的图纸

我们从东莞工厂通过DHL、FedEx或UPS发货,到美国和欧洲的典型运输时间为3-5天。标准100x100x50 mm、10 FPI折叠翅片散热器的价格为:100件起每件$4.20,1000件时降至每件$2.80。我们是一家拥有20年CNC加工和冲压经验的精密制造合作伙伴,我们自豪地成为一家在公差和表面处理上绝不偷工减料的中国制造商。如需在12小时内获得确定报价,请将您的STEP或IGES文件发送至sc@bquq.com,或通过WhatsApp发送至+86 13713157787。您还可以阅读我们的CNC刀具选择指南,了解我们如何实现精密槽加工,并查看我们的CNC加工公差指南,了解我们工艺的极限。今天就发送您的图纸,我们将回复DFM建议和报价——无任何义务。


相关产品

参数

参数能力
材料AL6063/6061/5052,纯铜C1100,铜铝复合
工艺挤压、CNC加工、铲齿、锻造、压铸、冲压翅片
翅片类型挤压翅片、针翅、铲齿翅片、折叠翅片、粘合翅片、热管、均温板
表面处理黑色阳极氧化、本色阳极氧化、镀镍、粉末喷涂
尺寸范围最大1500 x 400 x 300 mm
热测试每批次提供热阻和散热数据
打样5-7天,样品无最小起订量
检验三坐标测量仪、热阻测试仪,每批次提供完整报告

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