产品

冲压铝散热器与散热片系列 | BQUQ精密制造

可测量的平整度与翅片间距 本系列为采用25吨至160吨高速冲床生产的冲压铝散热器与散热片。具体优势:翅片间距保持±0.05mm,150mm长度内平整度控制在0.08mm以内,表面光洁度达到Ra 8–12,无需二次机加工。我们供应标准翅片厚度0.3mm至3.0mm,原型交期15天,批量生产交期25天。 所有零件均采用5052或6061铝卷材,厂内冲压成型,随后进行去毛刺和去应力处理。模具由我们自有车


分享此产品


获取报价

产品详情

可测量的平整度与翅片间距

本系列为采用25吨至160吨高速冲床生产的冲压铝散热器与散热片。具体优势:翅片间距保持±0.05mm,150mm长度内平整度控制在0.08mm以内,表面光洁度达到Ra 8–12,无需二次机加工。我们供应标准翅片厚度0.3mm至3.0mm,原型交期15天,批量生产交期25天。

所有零件均采用5052或6061铝卷材,厂内冲压成型,随后进行去毛刺和去应力处理。模具由我们自有车间研磨制造,因此能够保证数万件产品的一致性。如果您正在设计强制风冷或自然冷却组件,本系列可提供直接嵌入的解决方案,无需对每个翅片进行CNC铣削加工。

为何薄翅片几何结构选择冲压优于挤压

挤压散热器在翅片厚度低于1.0mm时难以保持精度,且通常需要昂贵的后加工来维持严格公差。相比之下,冲压直接从平板材料冲切出翅片轮廓,可获得无毛刺边缘和整体一致的横截面。我们的高速冲床运行速度为每分钟40至120冲次,100件原型订单可在两天内完成。

对于高厚比超过8:1的散热片,我们采用带精密导正系统的级进模来保持翅片间距。这与汽车散热器翅片和服务器散热器阵列采用的方法相同。结果是零件无需垫片即可平放在基板上,热界面间隙几乎降至零。

我们使用的材料与热处理以确保长期稳定性

本系列采用两种铝合金。5052-H32具有更优异的耐腐蚀性,是我们户外或潮湿环境的默认选择。6061-T6适用于需要更高机械强度或更硬表面以配合自攻螺钉安装的场景。对于两种合金,我们指定回火状态,确保冲压后屈服强度保持在150 MPa以上。

冲压完成后,我们在180°C下进行45分钟的去应力退火。此步骤可防止翅片在安装到发热CPU、GPU或功率模块时发生翘曲。处理后硬度通常为5052合金45–55 HRB,6061合金55–65 HRB,既足够柔软以避免弯曲时开裂,又足够坚硬以抵抗装配过程中的凹陷。

尺寸控制:如何保持翅片间距与平整度

冲压散热器的关键尺寸为翅片间距、翅片高度和基板平整度。我们使用分辨率为0.002mm的蔡司三坐标测量机测量翅片间距,并在批量生产前对每件首件进行全尺寸检测。生产过程中每30分钟抽样一次,数据记录在SPC控制图中,可随货索取。

平整度通过模具设计控制:我们在每个翅片底部增加一道压印工序,压缩材料并消除自然回弹。这提供了稳定的安装表面,不会在热源上晃动。如果您的组件使用导热膏或相变材料,平整度直接影响热阻——我们的0.08mm公差比大多数挤压供应商好两倍。

表面处理选项:从裸铝到黑色阳极氧化

我们的标准表面处理为清洁、去毛刺的裸铝表面,Ra 8–12。如果您需要更高的辐射散热发射率,我们提供透明阳极氧化(5–10微米)或黑色阳极氧化(8–15微米),可将发射率提升至0.85以上。阳极氧化生产线为厂内运营,无额外运输环节或质量波动。

对于需要钎焊或焊接至基板的零件,我们可在安装垫上施加镍底镀层或选择性镀锡。这常见于IGBT冷却组件和射频放大器外壳。我们不建议对冲压翅片进行喷漆,因为漆膜可能桥接翅片间隙并阻碍气流;阳极氧化始终是热性能更优的选择。

每次发货前检测:三坐标测量、硬度与盐雾测试

本系列每批次均经过三步检测。首先,三坐标测量机对每1000件中的5件检查翅片间距、高度和基板平整度。其次,洛氏硬度计验证相同样品的回火状态。第三,从您的批次中取试样进行盐雾测试,确认5052合金的耐腐蚀性能。

我们还使用数字显微镜检查翅片边缘的毛刺高度。毛刺超过0.03mm不可接受,因为它们可能切入热界面材料或在高压应用中导致短路。我们的去毛刺工艺采用陶瓷介质的振动研磨机,随后对关键区域进行10倍放大目视检查。

包装与搬运:运输途中无翅片弯曲

冲压翅片设计上较薄,松散包装可能造成损坏。我们将每个散热器放入带独立槽位的定制瓦楞托盘,托盘间用泡沫隔板堆叠。对于海外运输,我们添加干燥剂包和湿度指示卡以防止氧化。

如果您订购大批量,我们每层外部使用防静电气泡膜,并采用承压10kg的双层纸箱。此包装已通过空运和海运测试至美国和欧洲,过去12个月内零损坏报告。

| 规格参数 | 标准值 | 备注 | | --- | --- | --- | | 基材合金 | 5052-H32 / 6061-T6 | 根据耐腐蚀或强度需求选择 | | 翅片厚度 | 0.3mm – 3.0mm | +/−0.03mm | | 翅片高度 | 最高20mm | 更高需更换模具,可定制 | | 翅片间距 | 2.0mm – 8.0mm | +/−0.05mm | | 基板平整度 | 150mm内0.08mm | 压印处理确保稳定性 | | 表面光洁度 | Ra 8–12(裸铝) | 二次抛光后Ra 3–5 | | 硬度 | 45–55 HRB(5052)/ 55–65 HRB(6061) | 去应力处理后 | | 毛刺高度 | ≤0.03mm | 振动去毛刺 | | 交期 | 15天(原型)/ 25天(批量) | 自图纸确认起 | | 起订量 | 无起订量 | 样品1件即可 |

常见问题:工程经理快速解答

冲压铝散热器真的没有起订量吗?

是的,我们接受单件样品和测试订单,如果您想验证新装配线,批量生产可从50件起订。

能否定制翅片图案或基板孔位?

当然可以,我们可在10–14天内为您的翅片图案制造新级进模,并可在同一冲压工序中添加螺纹孔、安装柱或更厚的基板。

如何确保我的散热器符合图纸公差?

我们在生产前进行全尺寸三坐标首件检测,生产过程中进行SPC抽样,并作为标准流程随货附送检测报告。

冲压散热器原型的最快交期是多久?

如果您的设计符合我们现有模具库,可在3天内发货;如需新模具,从图纸确认到送达约需14天。

将冲压翅片与您的制造工艺匹配

冲压散热器适用于单件成本比异形几何更重要的高产量产品。如果您将本系列与现有的基板或外壳CNC加工配合使用,与全机加工散热器相比,总生产成本可降低30–40%。作为参考,请参阅我们的CNC刀具选择指南,了解我们如何加工配合表面。

在指定翅片公差时,请记住冲压件与机加工件具有不同的公差特性。我们的CNC加工公差指南以实用方式解释了差异,帮助您避免过度指定增加成本而不提升性能的特征。

直接从工厂订购:12小时内获取正式报价

将您的图纸或带目标尺寸和数量的粗略草图发送给我们。我们的工程师将在12小时内回复,提供明确的单价、模具费用(如有)和交货日期。我们是一家位于中国东莞的精密制造工厂,拥有20年CNC加工、冲压、弹簧和散热器经验。

将文件发送至sc@bquq.com或通过WhatsApp发送至+86 13713157787。请包含所需的翅片厚度、翅片间距和基板尺寸。您将在一个工作日内收到PDF报价单和DFM反馈清单。


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

联系我们报价
获取报价
我们使用cookie来改善您的在线体验。继续浏览本网站即表示您同意我们使用cookie

Cookies

Please read our Terms and Conditions and this Policy before accessing or using our Services. If you cannot agree with this Policy or the Terms and Conditions, please do not access or use our Services. If you are located in a jurisdiction outside the European Economic Area, by using our Services, you accept the Terms and Conditions and accept our privacy practices described in this Policy.
We may modify this Policy at any time, without prior notice, and changes may apply to any Personal Information we already hold about you, as well as any new Personal Information collected after the Policy is modified. If we make changes, we will notify you by revising the date at the top of this Policy. We will provide you with advanced notice if we make any material changes to how we collect, use or disclose your Personal Information that impact your rights under this Policy. If you are located in a jurisdiction other than the European Economic Area, the United Kingdom or Switzerland (collectively “European Countries”), your continued access or use of our Services after receiving the notice of changes, constitutes your acknowledgement that you accept the updated Policy. In addition, we may provide you with real time disclosures or additional information about the Personal Information handling practices of specific parts of our Services. Such notices may supplement this Policy or provide you with additional choices about how we process your Personal Information.


Cookies

Cookies are small text files stored on your device when you access most Websites on the internet or open certain emails. Among other things, Cookies allow a Website to recognize your device and remember if you've been to the Website before. Examples of information collected by Cookies include your browser type and the address of the Website from which you arrived at our Website as well as IP address and clickstream behavior (that is the pages you view and the links you click).We use the term cookie to refer to Cookies and technologies that perform a similar function to Cookies (e.g., tags, pixels, web beacons, etc.). Cookies can be read by the originating Website on each subsequent visit and by any other Website that recognizes the cookie. The Website uses Cookies in order to make the Website easier to use, to support a better user experience, including the provision of information and functionality to you, as well as to provide us with information about how the Website is used so that we can make sure it is as up to date, relevant, and error free as we can. Cookies on the Website We use Cookies to personalize your experience when you visit the Site, uniquely identify your computer for security purposes, and enable us and our third-party service providers to serve ads on our behalf across the internet.

We classify Cookies in the following categories:
 ●  Strictly Necessary Cookies
 ●  Performance Cookies
 ●  Functional Cookies
 ●  Targeting Cookies


Cookie List
A cookie is a small piece of data (text file) that a website – when visited by a user – asks your browser to store on your device in order to remember information about you, such as your language preference or login information. Those cookies are set by us and called first-party cookies. We also use third-party cookies – which are cookies from a domain different than the domain of the website you are visiting – for our advertising and marketing efforts. More specifically, we use cookies and other tracking technologies for the following purposes:

Strictly Necessary Cookies
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

Functional Cookies
These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.

Performance Cookies
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Targeting Cookies
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.

How To Turn Off Cookies
You can choose to restrict or block Cookies through your browser settings at any time. Please note that certain Cookies may be set as soon as you visit the Website, but you can remove them using your browser settings. However, please be aware that restricting or blocking Cookies set on the Website may impact the functionality or performance of the Website or prevent you from using certain services provided through the Website. It will also affect our ability to update the Website to cater for user preferences and improve performance. Cookies within Mobile Applications

We only use Strictly Necessary Cookies on our mobile applications. These Cookies are critical to the functionality of our applications, so if you block or delete these Cookies you may not be able to use the application. These Cookies are not shared with any other application on your mobile device. We never use the Cookies from the mobile application to store personal information about you.

If you have questions or concerns regarding any information in this Privacy Policy, please contact us by email at . You can also contact us via our customer service at our Site.