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BQUQ铝挤压散热器型材 | 精密CNC精加工,中国制造

这款型材在您询价前就已具备的性能 该铝挤压散热器型材为裸材或CNC精加工挤压铝型材,适用于电力电子、LED驱动器和IGBT模块的有源或无源散热。我们提供每300mm长度0.05mm的直线度公差,机加工后表面粗糙度可达Ra 0.8µm,硬度范围8–12 HRC(取决于合金回火状态)。标准型材交期7天,定制模具15天,常备合金无起订量,从东莞发货。 我们如何控制长型材的平面度和扭曲度 长散热器在挤


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这款型材在您询价前就已具备的性能

该铝挤压散热器型材为裸材或CNC精加工挤压铝型材,适用于电力电子、LED驱动器和IGBT模块的有源或无源散热。我们提供每300mm长度0.05mm的直线度公差,机加工后表面粗糙度可达Ra 0.8µm,硬度范围8–12 HRC(取决于合金回火状态)。标准型材交期7天,定制模具15天,常备合金无起订量,从东莞发货。

我们如何控制长型材的平面度和扭曲度

长散热器在挤压和冷却过程中容易变形。BQUQ采用2500吨挤压机配合精密风淬台,在切割锯切前锁定型材几何形状。挤压后,我们对每根棒材进行拉伸矫直,最大扭曲度控制在每米0.5°。如果您的设计需要更严格的平面度以保证导热垫接触,我们可通过CNC加工将安装面平面度控制在200mm范围内0.03mm。这不是轧制产品,而是具有真实尺寸可追溯性的中国精密制造部件。

合金、回火状态及关键硬度数值

我们常备6063-T5(最佳挤压性能)和6061-T6(更高机械强度)。对于连续工作温度超过250°C的应用,我们推荐6063-T6,硬度12 HRC。如需阳极氧化处理,我们会在氧化前预留挤压公差,以容纳25微米的镀层厚度。下表列出了我们在每款铝挤压散热器型材上承诺的确切规格,而非"典型"范围。

参数规格
材料合金6063-T5, 6061-T6, 6060-T66
最大挤压宽度400mm(定制模具)/ 200mm(常备)
最大挤压长度6000mm(CNC定尺切割)
硬度(HRC)8–12 HRC(取决于T5/T6回火状态)
直线度公差每300mm长度0.05mm
扭曲度公差每米0.5°
CNC加工表面平面度200mm范围内0.03mm
表面粗糙度(机加工)Ra 0.8µm(标准)/ Ra 0.4µm(可选)
交期7天(常备型材)/ 15天(定制模具)
起订量无起订量 — 原型1件,量产50件

CNC精加工选项:将裸材型材变为可直接安装的部件

裸材挤压型材只是一根棒材。BQUQ的3轴和4轴CNC加工中心可添加您实际需要的特征:安装用通孔钻孔、M3–M10螺纹攻丝、元件安装用铣削台阶、PCB边缘插入用切割槽。我们将孔位公差控制在±0.02mm,攻丝深度公差控制在±0.1mm。如果您的热设计需要镜面效果以配合热管界面,我们可提供金刚石车削面,表面粗糙度Ra 0.2µm。关于哪些切削刀具可无毛刺地加工这些精细特征,请参阅我们的CNC切削刀具选型指南

不会在不需要的地方增加厚度的表面处理

我们提供三种标准表面处理:透明阳极氧化(8–12微米)、黑色阳极氧化(15–25微米)和化学转化膜(MIL-DTL-5541)。对于黑色阳极氧化,我们会在镀膜前遮蔽安装面,以保持平面度不变——未遮蔽的阳极氧化可能增加25微米的不均匀堆积。如果您计划使用导热膏,我们建议在接触区域跳过阳极氧化,保留Ra 0.8µm的裸机加工表面。我们还可在CNC加工后直接在型材上进行丝网印刷标识和激光雕刻。

每次发货前检测:值得信赖的CMM报告

每批铝挤压散热器型材在包装前均经过全面检测。我们使用三坐标测量机(CMM)检测孔位,表面粗糙度仪检测Ra值,直尺配合塞尺检测每第10件产品的直线度。您将收到包含实际测量值的数字检测报告,而非简单的合格证书。对于关键的航空航天或汽车零部件,我们还可提供从铸锭批号到最终CNC程序的完整材料可追溯性。如果您不确定应指定哪些公差,我们的CNC加工公差指南详细说明了可实现的范围及额外成本。

长型材包装与物流:防止弯曲变形

超过1米的型材采用木箱包装,每300mm放置泡沫隔板以防止下垂。1米以下的型材采用瓦楞纸箱,配独立塑料袋和护角。所有木箱均标注采购订单号和散热器零件号。运输选项:DHL/FedEx快递(小批量,3–5天)、空运(急单,5–7天)或海运(大批量,25–30天)。我们根据体积重量而非仅实际重量计算最优运费,为长型材节省成本。

定制挤压模具的最小起订量是多少?

无起订量——我们可从定制模具制作单件原型供您验证,然后按您需要的任何数量进入量产。

能否根据我的图纸匹配特定的翅片高度和厚度?

可以,我们可调整模具设计,翅片高度5mm至120mm,翅片厚度可低至1.2mm,但翅片长宽比需保持在10:1以下以确保可靠挤压。

阳极氧化后如何保证导热垫接触面的平面度?

我们在阳极氧化前遮蔽安装面,然后用CMM测量最终平面度至每200mm 0.03mm,并将读数包含在您的检测报告中。

标准6063-T5型材带CNC钻孔的实际交期是多少?

常备型材带简单钻孔为7天,如需攻丝则为10天,如需新开模具则为15天。

12小时内获取正式报价 — 立即发送您的图纸

不要再猜测热性能。将您的铝挤压散热器型材2D图纸或3D STEP文件发送给我们,即可在12个工作小时内获得包含精确价格、交期和公差确认的正式报价。发送邮件至sc@bquq.com或WhatsApp+86 13713157787。我们以英文回复,附上PDF格式的设计技术评审,包括在不损失热效率的前提下降低成本的建议。


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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