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圆形径向铝散热器系列02 | 精密BQUQ CNC零件

本系列在硬性数据上的表现 圆形径向铝散热器系列02是一系列由实心6061-T6或6063-T5铝材加工而成的圆形翅片散热器。所有关键安装表面保证公差±0.02 mm,总跳动0.05 mm TIR,底板表面光洁度Ra 1.6 µm。图纸批准后交期20天,我们确保6061-T6最低硬度12 HRC(或6063-T5为8 HRC),以防止翅片在装配过程中弯曲。 这些并非挤压成型后压装翅片的毛坯件。系列0


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本系列在硬性数据上的表现

圆形径向铝散热器系列02是一系列由实心6061-T6或6063-T5铝材加工而成的圆形翅片散热器。所有关键安装表面保证公差±0.02 mm,总跳动0.05 mm TIR,底板表面光洁度Ra 1.6 µm。图纸批准后交期20天,我们确保6061-T6最低硬度12 HRC(或6063-T5为8 HRC),以防止翅片在装配过程中弯曲。

这些并非挤压成型后压装翅片的毛坯件。系列02中的每个单元均在4轴或5轴CNC中心上完全加工,确保径向翅片间距、翅片厚度和底面平整度在批次间保持一致。如果您有圆形LED驱动器、电机控制器或需要360°气流散热的高功率放大器,本系列可提供即装即用的解决方案,无需重新设计外壳。

为何径向翅片优于挤压平翅片用于圆形外壳

圆形径向散热器从中心向四周全方位推动空气。当热源为圆柱形组件或圆形PCB时,这一点至关重要。挤压平翅片仅在一个平面内散热,留下死角。我们的径向翅片切割为一致的1.5 mm厚度,间距2.0 mm,与同直径平底板相比,表面积增加高达40%。

我们将翅片尖端加工至0.2 mm锐利半径,改善低转速风扇下的气流层流性。对于自然对流,垂直翅片方向(当散热器安装在垂直壁面上时)可产生烟囱效应。您可指定翅片高度10 mm至60 mm,外径40 mm至200 mm。底板厚度可调范围5 mm至15 mm,以匹配您的热质量需求。

材料与热处理:6061-T6 vs 6063-T5

您有两种标准选择。6061-T6提供更高的机械强度(屈服强度276 MPa)和更好的薄翅片加工性能。6063-T5强度略低(屈服强度145 MPa),但导热系数更高(201 W/m·K,而6061为167 W/m·K)。对于大多数LED和电力电子应用,我们推荐6063-T5,因为热性能提升超过强度差异。

我们不使用A380压铸铝。压铸件存在气孔,会截留热量并降低有效导热率高达15%。我们从实心棒材进行CNC加工,完全消除气孔。加工后,我们施加透明阳极氧化(8-12 µm)或黑色阳极氧化(12-18 µm),将辐射冷却的发射率提高至0.85。如果您需要导电表面用于接地,我们可以遮蔽安装区域或改用铬酸盐转化处理。

我们如何确保圆形零件0.05 mm跳动

跳动是良好热接触的敌人。如果散热器底座不完全垂直于翅片轴线,热界面材料(TIM)上会产生不均匀压力。我们通过两步加工工艺确保0.05 mm TIR。首先,在同一夹持中加工底面并车削外径。然后翻转零件,使用定制膨胀心轴夹持已车削的内孔来加工翅片。

此方法消除了重新夹持带来的误差。我们还使用PCD(聚晶金刚石)刀片进行最终翅片加工,可在500多个零件上保持刃口锋利度。如果您需要更严格的跳动,我们可以将底座研磨至0.02 mm TIR,但这会增加3天交期。对于系列02中的标准现货产品,0.05 mm是我们的保证最大值,而非典型值。

每次发货前检验:不仅仅是纸质证书

每个散热器均在三坐标测量机(CMM)上进行100%关键尺寸检验:底面平整度、翅片间距和跳动。我们还使用轮廓仪验证配合表面的Ra 1.6 µm。您将收到包含实际测量值的数字检验报告,而非简单的合格/不合格勾选。如果您要求,我们可附上显示偏差热图的3D扫描图。

我们不进行抽样检验。对于100件批次,我们测量100件。这之所以可行,是因为标准100 mm直径版本的每件循环时间低于6分钟。我们还在2倍放大下进行100%目视检查,检查翅片边缘毛刺。任何毛刺超过0.05 mm的零件在阳极氧化前将被拒收并返工。

可制造性设计:您应在图纸上标注的内容

为获得最快报价和最低单价,请在图纸上指定三项内容。首先,安装孔模式——我们推荐螺栓圆上的3或4个孔,而非槽孔。槽孔会增加20%加工时间。其次,如果您关注外观,请指定底面表面的纹理方向——我们可以进行拉丝或喷砂处理。第三,告知我们翅片外缘是否需要倒角;0.5 mm倒角免费,1.0 mm倒角每件增加15秒。

如果您仍处于设计阶段,请阅读我们的CNC刀具选择指南,了解翅片厚度和深度如何影响刀具偏转。同时,请查阅我们的CNC加工公差指南,了解哪些特征可以放宽以节省成本。例如,翅片尖端半径可增加+0.2 mm而不影响热性能。

系列02标准尺寸与最小起订量灵活性

我们备有最常见尺寸的原材料:80 mm、100 mm、120 mm、150 mm和200 mm外径。对于这些尺寸,我们的最小起订量为零——您可以订购一件用于原型测试。对于此范围外的定制直径,我们订购材料需7天交期,但仍无最小起订量。这是我们的政策,因为我们相信您应在承诺批量生产前进行测试。

单价随数量变化:1-10件每件$18.50(100 mm直径),11-100件每件$12.20,101-500件每件$9.80,500件以上每件$7.90。这些价格包含透明阳极氧化和检验报告。黑色阳极氧化每件增加$0.80。原型订单我们通过DHL或FedEx发货;生产订单可安排海运以降低成本。

规格数值/范围
材料6061-T6或6063-T5铝棒
外径40 mm – 200 mm(标准:80、100、120、150、200)
翅片高度10 mm – 60 mm
翅片厚度1.0 mm – 2.5 mm(标准1.5 mm)
底板厚度5 mm – 15 mm
硬度(加工态)12 HRC(6061-T6)/ 8 HRC(6063-T5)
加工公差安装表面±0.02 mm
跳动(TIR)0.05 mm(可选研磨至0.02 mm)
表面光洁度(底面)Ra 1.6 µm(可选Ra 0.8 µm)
表面处理透明阳极氧化(8-12 µm)或黑色阳极氧化(12-18 µm)
交期图纸批准后20天(库存尺寸7天)
最小起订量无最小起订量 – 接受单件

系列02的最小起订量是多少?

无最小起订量——您可以订购单件原型散热器,在批量生产前测试适配性和热性能。

可以定制安装孔模式和翅片高度吗?

可以,除标准库存外径(80/100/120/150/200 mm)外,所有尺寸均可完全定制;您只需发送包含所需孔位和翅片几何形状的2D图纸或3D STEP文件。

小批量原型订单如何保证质量?

每个零件,包括单件原型,均经过相同的CMM检验并收到完整尺寸报告——我们不会因数量少而放宽检验标准。

非库存定制尺寸的实际交期是多少?

定制外径尺寸需要采购材料,因此交期为27天(7天材料+20天加工);如果选择库存外径,我们20天内发货。

12小时内获取确定报价 – 发送您的图纸

将您的图纸以STEP、IGES或PDF格式发送至sc@bquq.com。我们将在12小时内回复,提供确定价格、准确交期,如果发现任何问题,还会附上DFM(可制造性设计)审查。如有紧急问题,请通过WhatsApp联系我们:+86 13713157787。我们是中国东莞的精密制造工厂,拥有20年CNC加工经验——不是贸易公司。您直接与将生产您零件的车间采购。

在邮件中提及“Collection 02”,我们还将发送一份标准检验报告样本,让您确切了解预期数据。如果您在比较供应商,请向我们索取我们为LED和电力电子制造商完成的散热器项目参考清单。我们对我们的公差和速度充满信心。


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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