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BQUQ冲压铝散热器散热片系列 – 精密制造

本系列产品优势:平整度、硬度与速度 本系列为电子、LED及功率模块热管理设计的冲压铝散热器与散热片。您将获得具有±0.05 mm尺寸公差、0.8 μm Ra表面光洁度及45 HRB硬度的散热片,材质为5052或6061铝合金。标准尺寸交期为7天,产品从我们位于中国东莞、拥有20年历史的工厂发货。 为何大批量散热片选择冲压而非挤压 挤压工艺仅限于直线、均匀的型材。冲压则能通过一次冲压完成切割、


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本系列产品优势:平整度、硬度与速度

本系列为电子、LED及功率模块热管理设计的冲压铝散热器与散热片。您将获得具有±0.05 mm尺寸公差0.8 μm Ra表面光洁度45 HRB硬度的散热片,材质为5052或6061铝合金。标准尺寸交期为7天,产品从我们位于中国东莞、拥有20年历史的工厂发货。

为何大批量散热片选择冲压而非挤压

挤压工艺仅限于直线、均匀的型材。冲压则能通过一次冲压完成切割、弯曲和成型,实现复杂特征的散热片——如百叶窗通风口、安装卡扣和阶梯底座。我们的25吨至200吨冲床可保持±0.05 mm的孔间距精度和±0.1 mm的折弯角度精度。对于超过5,000件的批量,单位成本比CNC加工降低30-40%。本系列专为需要规模化可重复热性能的工程师而设计。

本系列散热片使用的材料与热处理

我们常备5052-H32(耐腐蚀、成型性好)和6061-T6(更高强度,45 HRB硬度)板材,厚度范围0.5 mm至3.0 mm。对于极端散热需求,我们还提供1050A,导热系数达226 W/m·K。冲压后不进行热处理——H32和T6状态已具备所需硬度,避免翘曲变形。如果您的设计需要退火以进行深拉延,我们可在内部使用受控炉完成。

零毛刺边缘的模具与冲模设计

毛刺会破坏热接触。我们的模具采用材料厚度5-8%的剪切间隙,可产生毛刺高度低于0.05 mm的边缘。我们通过内部CNC磨削维护模具,每套模具在订单开始前均经过100件试产样品测试。对于间距小于2.5 mm的散热片,我们使用带导正销的级进模,确保整个料带上±0.03 mm的间距精度

每次发货前的检验:3阶段质量控制

首先,对来料卷材的厚度和硬度与钢厂质保书进行核对。其次,生产过程中每30分钟抽取零件,使用三坐标测量机测量关键尺寸。最后,终检对每批次抽取10%样品,检查平整度(100 mm长度内0.1 mm以内)、表面光洁度和毛刺高度。每笔订单均附带完整尺寸检测报告——不额外收费。如发现不合格品,我们进行100%全检并重新生产该批次。

表面处理选项:从裸铝到阳极氧化

裸铝散热片冲压后表面光洁度为0.8 μm Ra。如需更高发射率,我们提供黑色阳极氧化(MIL-A-8625 Type II),可将表面发射率提升至0.85并提高耐腐蚀性。我们还提供铬酸盐转化处理(Alodine),适用于电气接地应用。每种表面处理增加2-3天交期。可提供符合ASTM B117标准的盐雾测试——标准裸铝散热片通过48小时测试,阳极氧化件通过336小时测试。

包装与交付:无起订量,标准交期7天

我们无起订量。即使100件的打样订单也可接受,但单价会较高。对于超过5,000件的量产订单,标准交期为图纸确认后7天。散热片采用防静电托盘包装,并夹隔纸防止刮伤。交付方式:DHL快递(3-5天)、空运(5-7天)或从深圳港海运(20-25天)。所有发货均附带装箱单和合格证(COC)。

规格参数数值
材料5052-H32, 6061-T6, 1050A
厚度范围0.5 mm – 3.0 mm
硬度(6061-T6)45 HRB
尺寸公差±0.05 mm
折弯角度公差±0.1°
表面光洁度(裸铝)0.8 μm Ra
毛刺高度≤0.05 mm
平整度(每100 mm)≤0.1 mm
最大散热片长度300 mm
交期(标准)7天
起订量无起订量

能否定制散热片间距或形状?

可以——我们可修改模具镶件以调整散热片间距、百叶窗深度和安装孔,一次性模具费用起价为800美元,订单超过50,000件时可免除。

你们提供哪些质量控制文件?

每笔订单均附带尺寸检测报告、材料质保书和合格证;可提供第三方检测(SGS或TÜV),费用由客户承担。

如有图纸,打样需要多长时间?

无需定制模具的样品可在3天内使用现有模具发货;定制模具需增加5-7天用于样品确认。

定制模具的最低订单量是多少?

没有最低限制——我们接受500件的定制模具试订单,但在您达到每月5,000件之前,单价会较高。

为您的热设计选择合适的冲压工艺

在发送图纸之前,请查阅我们的CNC刀具选择指南,了解刀具刃口质量如何影响散热片毛刺。关于复杂折弯的公差限制,请参阅我们的CNC加工公差指南。这些资源基于我们20年的冲压经验——而非泛泛之谈。

12小时内获取正式报价

请发送您的2D图纸或3D模型,注明材料、厚度和数量。我们将在12小时内回复正式报价——包括模具费用(如有)、单价和交货日期。我们的精密制造位于中国,服务全球30个国家的工程师。无起订量,无推销电话骚扰。

邮箱:sc@bquq.com | WhatsApp:+86 13713157787

立即发送您的图纸——我们会在您的咖啡凉之前回复您。


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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