产品

BQUQ 镀镍弹簧钢冲压件 用于开关 | 中国精密制造

这些是用于开关的镀镍弹簧钢冲压件——接触弹簧、弹片和端子夹,必须在数百万次循环后恢复形状。我们将冲压公差控制在±0.01 mm,平面度在0.02 mm以内,并从东莞工厂在7天内交付生产订单。热处理后硬度指定为48-52 HRC,镀镍层厚度为3-5微米,以抵抗氧化并降低接触电阻。 我们如何防止镀镍后弹簧力损失 弹簧钢镀镍颇具挑战性。如果在热处理前电镀,氢脆会导致零件开裂。如果在热处理后电镀,酸浴可


分享此产品


获取报价

产品详情

这些是用于开关的镀镍弹簧钢冲压件——接触弹簧、弹片和端子夹,必须在数百万次循环后恢复形状。我们将冲压公差控制在±0.01 mm,平面度在0.02 mm以内,并从东莞工厂在7天内交付生产订单。热处理后硬度指定为48-52 HRC,镀镍层厚度为3-5微米,以抵抗氧化并降低接触电阻。

我们如何防止镀镍后弹簧力损失

弹簧钢镀镍颇具挑战性。如果在热处理前电镀,氢脆会导致零件开裂。如果在热处理后电镀,酸浴可能剥离氧化层并导致延迟断裂。我们采用两步工艺:先冲压和热处理,然后在45°C下使用低氢镍浴进行闪镀。这使弹簧的弹性极限保持在电镀前值的90%以上。每批次我们都会在压缩疲劳试验机上测试5个样品——在额定挠度的80%下进行100万次循环。无裂纹,无载荷损失。

我们用于镀镍开关零件的冲压模具

开关零件体积小——大多数直径在25 mm以下。我们使用硬质合金镶件制造级进模,而非工具钢。硬质合金在重新磨削前可保持锋利刃口达50万次冲程,这意味着您的零件在整个生产过程中的毛刺高度保持在0.03 mm以下。对于弹片,我们使用压印步骤将驱动力控制在±10克以内。模具维护每日记录;每10万次冲程检查间隙并调整脱料板压力。这是我们应用于所有精密冲压工作的相同标准。

镀镍弹簧钢的材料与热处理

我们使用C75S(1.1248)或SK5高碳弹簧钢,冷轧至0.08 mm至2.0 mm之间的厚度。冲压后,零件在820°C下奥氏体化,油淬,然后在320°C回火以达到48-52 HRC。这提供了1,450 MPa的屈服强度。镀镍采用哑光表面处理——亮镍外观好看但会增加内应力。镀层厚度为3-5微米,每批次通过X射线荧光测量。对于关键开关触点,我们可以在镍层上增加金闪镀,使接触电阻降至10毫欧以下。

每次发货前的尺寸检验

每批次均附完整尺寸报告。我们使用三坐标测量机测量关键尺寸,投影仪测量弯曲角度,数字测力计测量驱动力。平面度在花岗岩平板上用塞尺检查。跳动——圆形零件同心度的变化——控制在0.02 mm以内。我们从多腔模具的每个型腔拍摄10个零件照片,并保存2年。如果您的开关后来出现异常故障,我们可以追溯到确切的模具冲程和材料卷。

为什么镀镍弹簧钢在开关触点方面优于不锈钢

不锈钢弹簧(如301或17-7PH)导电性较低且每公斤成本更高。镀镍弹簧钢以低40%的材料成本提供相似的耐腐蚀性。镍层在滑动接触过程中还充当固体润滑剂,减少配合端子的磨损。对于低电流信号开关(低于100 mA),镀镍可防止接触表面形成绝缘氧化物。如果您的开关承载更高电流,我们可以指定更厚的镍层或添加银镀层。

冲压件的包装、交期和运输

零件使用带腔体分隔的防静电托盘运输,以防止刮伤。对于编带包装(用于自动化装配),我们使用剥离强度为0.5 N的导电胶带。标准交期为10万件以下7天,更大批量12天。我们从东莞通过DHL或FedEx发货,通常3-5天到达美国或欧洲。模具——级进模——如需定制形状,制造需15天。我们备有50多套常用开关弹片形状的标准模具,因此您可能完全不需要新模具。

如何发送图纸以获取快速报价

将PDF或STEP文件发送至sc@bquq.com。请包含材料厚度、所需硬度、电镀规格和年需求量。我们在12小时内回复固定报价——不是区间,而是实际数字。如果您的图纸公差严于±0.01 mm,我们会立即告知是否可行及相应成本。我们还可以建议更宽松的公差,使单件价格降低20%。有关我们如何保持模具质量的更多背景信息,请阅读我们的CNC刀具选择指南——其中涵盖了应用于冲压模具的相同精密理念。如需深入了解可实现的公差,请参阅我们的CNC加工公差指南

参数数值
材料C75S、SK5、65Mn、301不锈钢(按要求)
厚度范围0.08 mm – 2.0 mm
热处理后硬度48-52 HRC(标准),最高55 HRC(按要求)
冲压公差关键特征±0.01 mm
平面度25 mm长度内最大0.02 mm
跳动(圆形零件)0.02 mm TIR
表面光洁度冲压边缘Ra 0.4 µm,镀层表面Ra 0.8 µm
镀镍层厚度3-5微米(哑光),可选金闪镀
接触电阻(可选金闪镀)< 10毫欧
交期(生产)10万件以下7天,更大批量12天
起订量无起订量——我们接受1件原型

你们有最低起订量要求吗?

无起订量。我们可以冲压单个原型供您测试,样品批准后即可扩展至每月数百万件。

你们可以定制镀镍层厚度或添加面层吗?

可以——我们将镀层厚度从1微米调整至10微米,并可添加金或银闪镀以降低接触电阻。

你们如何保证大批量生产的质量?

我们每2小时使用SPC控制图进行过程检验,并在发货前对每批次提供完整尺寸报告。

定制冲压件的交期是多久?

模具制造需15天,生产样品3天,您批准后7天内开始批量生产。

12小时内获取固定报价。将您的图纸发送至sc@bquq.com或通过WhatsApp联系我们:+86 13713157787。我们是中国东莞的精密制造工厂,拥有20年冲压经验。无起订量,无压力——只需清晰的价格和可信赖的交货日期。


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

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.