产品

钢制扭簧系列 | BQUQ定制精密弹簧

这是BQUQ的钢制扭簧系列——一组由认证弹簧钢经CNC成型工艺制造的定制扭簧,专为循环偏转和扭矩重复性而设计。我们提供±0.05 mm的自由角度公差、Ra 0.8的一致表面光洁度,以及45–52 HRC的硬度范围,标准交期为图纸确认后7天。 我们在东莞工厂运行这一精确工艺已有20年——已交付超过12,000个扭簧订单。每个线圈在出厂前均经过定型测试。无起订量,无最小订单限制,您的原型或量产订单无需


分享此产品


获取报价

产品详情

这是BQUQ的钢制扭簧系列——一组由认证弹簧钢经CNC成型工艺制造的定制扭簧,专为循环偏转和扭矩重复性而设计。我们提供±0.05 mm的自由角度公差、Ra 0.8的一致表面光洁度,以及45–52 HRC的硬度范围,标准交期为图纸确认后7天。

我们在东莞工厂运行这一精确工艺已有20年——已交付超过12,000个扭簧订单。每个线圈在出厂前均经过定型测试。无起订量,无最小订单限制,您的原型或量产订单无需任何猜测。

我们如何将扭矩控制在您指定负载的±3%以内

扭簧失效通常是因为成型后残余应力未得到适当消除。我们采用两阶段去应力回火工艺:卷绕后在260°C下烘烤30分钟,然后在折弯腿部后再进行20分钟的循环处理。这能稳定材料性能,并在任何给定偏转角度下将扭矩保持在您指定负载的±3%以内。

对于关键应用,我们增加预压操作——在发货前将弹簧压缩至密实高度三次。这消除了初始沉降,使您从第一个循环起即可获得可预测的扭矩。我们使用校准的扭力测试仪在15°、30°和45°偏转角度下测量实际扭矩,并将该数据表随每批产品一并提供。

我们为长疲劳寿命使用的材料与热处理工艺

我们常备四种弹簧钢牌号:SWP-A(琴钢丝)适用于2.0 mm以下的小截面,SWOSC-V(铬钒钢)适用于高应力和高达120°C的升温环境,SUS304-WPB(不锈钢)适用于腐蚀性环境,以及65Mn(碳钢)适用于对成本敏感的大批量生产。线径范围为0.2 mm至12.0 mm。

热处理绝非事后考虑。对于铬钒钢,我们在830°C下奥氏体化,油淬,然后在420°C下回火以达到45–52 HRC。不锈钢弹簧在480°C下沉淀硬化1小时。每个热批次均进行C标尺洛氏硬度测试,并随货附上硬度报告。

腿部折弯、端部配置与自由角度精度

您的图纸定义了腿部形状——直腿、钩腿或铰接腿。我们使用CNC五轴成型机进行腿部折弯,而非手动夹具。这使我们的标准零件腿部位置公差达到±0.3 mm,自由角度公差为±2度,可根据要求收紧至±1度。

我们还处理中心间隙为0.5 mm至50 mm的双扭簧。我们的CNC卷簧机在整个长度上保持一致地控制节距和外径。如果您的设计需要闭端,我们将最后一圈磨平,垂直度在0.05 mm以内。

每次发货前的检验——我们测量什么以及为什么

每批扭簧都经过四步检验流程。首先,我们使用数字千分尺(分辨率0.001 mm)测量外径和自由长度。其次,我们在投影仪屏幕上检查自由角度,分辨率为±0.5°。第三,我们将弹簧设定到您指定的偏转角度,并使用分辨率为0.1 N·mm的数字测试仪测量扭矩。

第四,我们对每批5件样品进行疲劳检查,以您的最大偏转角度循环10,000次。如果任何样品开裂或扭矩损失超过初始值的5%,整批产品将被拒收并重新生产。您将获得包含测量零件照片的完整检验报告,而不仅仅是证书。

适合您使用环境的表面防护选项

裸钢扭簧会生锈。我们提供三种标准表面处理:镀锌(蓝白或黄锌,厚度8–12 µm,盐雾测试72小时)、发黑(适用于干燥室内环境,厚度0.5 µm),以及化学镀镍(适用于海洋或化学暴露环境,厚度15–20 µm,盐雾测试200小时)。

对于不锈钢弹簧,我们提供电解抛光以去除表面微裂纹并将疲劳寿命提高多达30%。我们还在线材表面施加干膜润滑(二硫化钼或PTFE),以减少偏转过程中线圈间的摩擦——这对于超过100,000次循环的高循环应用至关重要。

为什么专用夹具优于通用卷簧机来处理您的腿部几何形状

通用CNC卷簧机速度快,但在处理两个平面上的复杂腿部折弯时存在局限。对于具有偏置腿或90度径向折弯的扭簧,我们使用线切割EDM机床制造专用折弯夹具。该夹具可将腿部定位在±0.05 mm以内,无论线径大小。

夹具成本分摊到您的首单中——通常为50至150美元,具体取决于复杂程度。随后夹具存入我们的模具库,并在每次重复订单中免费使用。这就是为什么我们的回头客在相隔六个月的不同订单中看到完全相同的零件几何形状。

原型和批量生产的生产能力与实际交期

我们的工厂车间运行18台CNC卷簧机和12台CNC腿部折弯机,每周5天、每天24小时运转。原型订单(最多100件)在5–7天内发货。中等批量(100–5,000件)在7–10天内发货。5,000件以上的生产订单在12–15天内发货,具体取决于热处理产能。

我们始终保持500 kg SWP-A和300 kg SWOSC-V的库存缓冲,因此材料采购绝不会延误您的订单。提供加急服务,需额外收取20%附加费——您的原型可在72小时内发货。

参数数值/范围
线径0.2 – 12.0 mm
外径(最大)150 mm
自由长度(最大)300 mm
总圈数2 – 50
自由角度公差±2°标准,±1°可按要求
扭矩公差±3%的指定负载
硬度45 – 52 HRC(碳钢和合金钢)
表面光洁度Ra 0.8 µm(成型状态),Ra 0.4 µm(磨平端部)
最高工作温度120°C(铬钒钢),250°C(不锈钢17-7PH)
交期(原型)5 – 7天
交期(批量生产)12 – 15天
起订量无起订量——接受1件

我们在您的设计中预防的常见失效模式

大多数扭簧失效源于三个错误:卷绕方向错误、密实高度时腿部间隙不足,以及去应力不充分。我们会根据您的扭矩方向检查图纸中的卷绕方向(左旋与右旋)——如果您指定错误,我们会在报价前指出。

我们还在CAD中模拟密实高度状态,确认在所需偏转角度之前相邻线圈不会发生干涉。如果存在干涉,我们会建议减少圈数或增大节距。这种主动检查在过去两年中已在47个有记录的案例中帮助客户避免了现场失效。

定制扭簧的最小起订量是多少?

没有起订量——我们接受单件原型用于测试,单价会随着您的订单数量增加而自然下降。

你们能匹配竞争对手或OEM零件的扭簧吗?

可以,将样品或其尺寸发送给我们,我们将进行逆向工程——测量线径、圈数、自由角度和扭矩——然后在48小时内为您报价替代品。

你们如何保证批量生产的扭矩值?

我们在三个偏转角度下对每批产品进行扭矩测试,并随货附上测试数据表;如果任何弹簧超出±3%范围,将免费更换。

获取扭簧图纸报价的最快方式是什么?

将您的图纸(STEP、PDF或DXF格式)发送至sc@bquq.com,或通过WhatsApp发送至+86 13713157787——您将在12个工作小时内收到包含交货日期的确定报价。

为获得最佳弹簧几何形状,请将您的设计与正确的刀具配合使用——如果您同时加工配合零件,请参阅我们的CNC刀具选择指南。要了解我们在每笔订单中保持的尺寸极限,请阅读CNC加工公差指南

立即发送您的扭簧图纸。您将在12小时内获得确定报价,包含精确价格、刀具费用(如有)和确认的交货日期。发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。精密制造,中国制造,无起订量,20年行业经验。


相关产品

参数

参数能力
材料SUS302/304/316、SWC琴钢丝、SWP音乐钢丝、65Mn、磷青铜、铍铜
类型压缩弹簧、拉伸弹簧、扭簧、线成型件、电池弹簧、触片弹簧
线径0.05 - 12.0 mm
公差±0.02mm标准,±0.01mm可按要求提供
表面处理镀锌、镀镍、发黑、钝化、喷丸
设备CNC弹簧卷制机、扭簧机、线材成型机
打样72小时,样品无最小起订量
检测每批负载测试,疲劳测试数据可按要求提供

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.