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BQUQ不锈钢触觉弹簧系列02 | 定制精密弹簧

不锈钢触觉弹簧系列02是一组定制压缩弹簧,专为精密组件中的触觉反馈和电气接触而设计。我们保证外径公差为±0.01 mm,跳动度低于0.05 mm,硬度范围为42–48 HRC——每批产品在离开我们东莞工厂前均经过验证。标准尺寸交期为7个工作日,完全定制几何形状为15天。 为什么触觉弹簧需要比标准压缩弹簧更严格的跳动度 触觉弹簧同时承载电流和机械载荷。如果跳动度超过0.05 mm,接触点会偏移,导


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不锈钢触觉弹簧系列02是一组定制压缩弹簧,专为精密组件中的触觉反馈和电气接触而设计。我们保证外径公差为±0.01 mm,跳动度低于0.05 mm,硬度范围为42–48 HRC——每批产品在离开我们东莞工厂前均经过验证。标准尺寸交期为7个工作日,完全定制几何形状为15天。

为什么触觉弹簧需要比标准压缩弹簧更严格的跳动度

触觉弹簧同时承载电流和机械载荷。如果跳动度超过0.05 mm,接触点会偏移,导致信号间歇或力分布不均。我们的CNC卷簧机将线圈轴线与弹簧座之间的同心度控制在0.03 mm以内。我们使用激光测微计对100%的零件进行跳动度测量——而非抽样批次。这就是能在50,000次循环下工作与在5,000次循环下失效的弹簧之间的区别。

材料选择:302、316L和17-7 PH不锈钢

我们为该系列备有三种不锈钢等级。302不锈钢是默认选择:具有良好的成形性和最高288°C的使用温度。对于盐水或化学品暴露环境,我们改用316L,其耐点蚀且磁导率较低。如果您需要在高温下具有高疲劳寿命,17-7 PH不锈钢经过沉淀硬化处理可达48 HRC——在相同线径下,其负载能力比302高出30%。请告知您的使用环境;我们会推荐合适的等级,而非推销更贵的选项。

影响装配的线圈几何形状和端部选项

系列02的标准配置为闭端磨平端部,因为它们提供平坦的支撑面——这对于垂直载荷传递至关重要。我们还提供不磨平的闭端(适用于轴向空间紧凑的场合)以及带导向直径控制的开端。线径范围为0.1 mm至8.0 mm。自由长度最大可达150 mm。如果您需要弹簧嵌套在孔内或套在轴上,我们将导向直径控制在±0.02 mm以内,确保定位无松动。

表面处理:不仅为了美观——它控制摩擦

触觉弹簧上的粗糙表面在反复接触时会产生微焊接点,增加电阻。我们的标准表面粗糙度为外径Ra 0.8 µm。对于高循环触觉开关,我们可以通过桶式抛光将Ra降至0.4 µm。与拉拔线材相比,摩擦减少约15%,这意味着弹簧使用寿命内作动力漂移更小。除非您要求,否则我们不进行钝化处理——钝化会增加一天时间,仅在医疗或食品接触应用时需要。

每次发货前检验:三点力测试

每一批不锈钢触觉弹簧系列02产品都经过行程25%、50%和75%的三点力测试。我们以牛顿为单位记录载荷,并与您的图纸公差进行比较。如果任何零件超过规定力的±5%,整批产品将被拒收。尺寸检查包括外径、内径、自由长度和总圈数,使用CNC视觉系统进行。每笔订单随附批次追溯报告——您获得的是原始数据,而不仅仅是证书。

包装和防缠绕保护,适用于自动化装配

散装在袋中的弹簧会缠绕在一起,解开缠绕会耗费您的产线时间。我们提供两种标准包装选项:长度小于20 mm的弹簧使用独立塑料管,或采用带式供料包装以适配自动化取放。每根管上标注零件号、批号和数量。对于大批量订单,我们可以提供与您的送料系统兼容的编带包装。这是标准配置——而非特殊要求——因此不产生额外模具费用。

我们如何在7天交期内保持精密制造成本低廉

我们在内部运行12台CNC卷簧机,因此无需等待分包商。我们的线材矫直机每天校准,减少废品率,即使在长批量生产中也能保持严格公差。由于我们是一家符合CNC刀具选择指南规范的工厂,我们还在同一厂区内处理磨削和钝化等二次工序。这就是我们如何保持标准尺寸7天交期和定制几何形状15天交期——同时不仓促处理您的订单。

规格数值/范围
材料等级302、316L、17-7 PH不锈钢
线径0.1 mm – 8.0 mm
自由长度最大150 mm
外径公差±0.01 mm
跳动度(同心度)≤ 0.05 mm
硬度(17-7 PH)42 – 48 HRC
表面粗糙度(外径)标准Ra 0.8 µm,可选Ra 0.4 µm
力公差行程25/50/75%处±5%
使用温度-40°C至+288°C(取决于等级)
交期标准7天,定制15天
起订量无起订量——接受1件打样

系列02的最小起订量是多少?

无起订量——您可以订购单个原型弹簧进行测试,批量价格从100件起生效。

您能否匹配公差严于±0.01 mm的图纸?

可以,对于线径小于3.0 mm的弹簧,我们可以将外径公差控制在±0.005 mm,但这需要增加磨削工序,交期延长3天。

您如何验证大批量中的力一致性?

我们对每一根弹簧进行三点载荷测试,而非抽样,如果任何零件超过规定力的±5%,整批产品将被拒收。

获取定制弹簧报价的最快方式是什么?

将PDF或STEP图纸发送至sc@bquq.com,我们将在12小时内回复正式报价——如果您没有力计算数据,我们也可以提供。

如果您仍在决定公差或材料,我们的CNC加工公差指南解释了什么是经济合理的,什么是过度指定的。如需获取不锈钢触觉弹簧系列02的正式报价,请将您的图纸发送至sc@bquq.com或通过WhatsApp联系+86 13713157787。我们将在12小时内回复价格、交期和DFM检查——完全免费。精密制造,中国制造,无起订量要求。


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

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