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BQUQ热电冷却器散热片 | 中国精密CNC散热片制造商

这款散热片为您的TEC组件带来的性能提升 这款热电冷却器散热片采用CNC加工的铝或铜基板,配备优化的翅片几何结构,在强制风冷应用中能够以0.15 K/W的热阻将热量从TEC热端带走。安装面平整度控制在0.02 mm以内,这意味着您的TEC模块不会因压力不均而开裂,导热界面材料厚度可保持在0.05 mm以下。标准尺寸交货期为7天,定制模具为15天,我们自2005年以来一直为TEC系统提供精密制造


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这款散热片为您的TEC组件带来的性能提升

这款热电冷却器散热片采用CNC加工的铝或铜基板,配备优化的翅片几何结构,在强制风冷应用中能够以0.15 K/W的热阻将热量从TEC热端带走。安装面平整度控制在0.02 mm以内,这意味着您的TEC模块不会因压力不均而开裂,导热界面材料厚度可保持在0.05 mm以下。标准尺寸交货期为7天,定制模具为15天,我们自2005年以来一直为TEC系统提供精密制造服务。

超越挤压型材的翅片几何设计

挤压散热片的翅片高宽比通常限制在10:1左右。我们采用机加工方式,标准件可实现18:1的高宽比,翅片厚度可低至0.8 mm,间隙最小可达1.2 mm。每平方厘米更大的表面积意味着与同等挤压件相比,整体占用面积可缩小22%。对于高热流密度TEC(超过150 W),我们提供均温板选项,在热量到达翅片之前先进行扩散。

每片翅片均在3轴CNC铣床上一次切削成型,因此不存在拔模斜度。壁面完全垂直,这是压铸或挤压工艺无法实现的。如果您将其与40x40 mm或62x62 mm的TEC搭配使用,安装孔位将按照您的规格进行钻孔和攻丝——可选孔、槽或螺纹嵌件。

我们用于TEC散热片的材料与表面处理

我们常备6061-T6和6063-T5铝材,以及C11000铜材(用于最大化导热性能)。对于铝材,我们提供透明阳极氧化(厚度8-12 µm)或硬质阳极氧化(厚度25-50 µm),可抵御潮湿环境中的腐蚀。铜件进行镀镍处理以防止氧化。如果对重量有要求,我们可将基板加工至3 mm厚度,同时保持安装面刚性——这是铸造工艺无法实现的。

所有原材料均附带钢厂材质证明。我们可将批次号追溯至您的订单。当您的TEC系统用于医疗激光器或汽车电池冷却时,这一点至关重要,因为材料缺陷是绝对不允许的。

我们如何保证安装面±0.01 mm的平面度

TEC热端较为脆弱。如果散热片基板翘曲超过0.05 mm,陶瓷板可能发生剪切断裂。我们在CNC铣削后使用平面磨床加工安装面,然后在180°C下进行4小时去应力处理。最终平面度通过花岗岩平板和千分表进行验证。标准件平面度控制在0.02 mm,可按要求达到0.01 mm。安装面表面粗糙度为Ra 0.8 µm,足够光滑,无需研磨即可实现薄而均匀的TIM层。

翅片尖端跳动量在全长范围内控制在0.05 mm以内,确保翅片间气流均匀,且不会因尖端振动产生噪音。

每次发货前的检测:三坐标测量机与气动量仪

每件热电冷却器散热片在包装前均经过三坐标测量机(CMM)检测。我们在20点网格上测量安装面平面度、孔位和翅片间距。任何尺寸超出规格,该零件即被报废——绝不返工。我们内部实验室还以3倍放大倍率进行100%目视检查,排查毛刺和阳极氧化缺陷。每笔订单均附带数字检测报告,包括CMM读数照片。

对于大批量订单(超过500件),我们使用气动量仪在每件2秒内检测关键孔径。这就是我们能够在保持质量的同时控制价格的方式。

典型尺寸与性能数据

参数数值
材料6061-T6、6063-T5、C11000铜
基板厚度3 - 12 mm
翅片高度10 - 60 mm
翅片厚度0.8 mm(最小)
翅片间隙1.2 - 5 mm
硬度(铝)45 HRB(6061-T6)
硬度(铜)50 HRB(退火态)
安装面平面度0.02 mm(标准),0.01 mm(高精度)
表面粗糙度(安装面)Ra 0.8 µm
翅片尖端跳动量0.05 mm
交货期(标准尺寸)7天
交货期(定制模具)15天
起订量无起订量(接受1件起订)

为什么选择合适的切削刀具至关重要

我们使用0.8 mm立铣刀以18,000 RPM转速加工翅片。如果刀具钝化,翅片表面会出现撕裂,热性能最多可下降30%。因此,我们遵循CNC切削刀具选型指南,为每种材料选择合适的涂层和刃数。对于铜材,我们使用金刚石涂层刀具;对于铝材,使用45°螺旋角的抛光硬质合金刀具。这不是可选项——这是散热片能否正常工作、还是导致TEC过热的区别所在。

公差如何影响您的热设计

如果散热片基板比模型厚0.1 mm,您的热阻计算就会出现偏差。如果安装孔偏移0.2 mm,组件将无法装配。我们遵循CNC加工公差指南处理每个特征标注。您定义公差,我们保证实现。我们从不假设“标准”公差就足够好。

常见问题解答:您的TEC散热片疑问,一一解答

最小起订量是多少?

无起订量。我们以相同的质量水平加工一件原型或一万件批量产品。

能否根据我的特定TEC模块定制安装孔位?

可以,请发送您的图纸或TEC数据手册,我们将精确匹配孔位、螺纹尺寸和深度。

你们如何验证安装面的平面度?

我们使用三坐标测量机进行20点网格扫描,并在检测报告中记录实测平面度值。

定制设计的最快交货期是多久?

对于采用标准材料的简单翅片结构,我们可在5天内发货;对于复杂设计或特殊涂层,交货期为15天。

12小时内获取正式报价

将您的2D或3D图纸发送至sc@bquq.com或通过WhatsApp联系+86 13713157787。我们将在12小时内回复正式价格、交货期和DFM反馈。精密制造,中国品质,20年CNC与散热片经验。无起订量,无隐藏模具费用。


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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