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定制铜质螺旋天线弹簧 | 中国精密制造

开篇您的图纸决定零件规格。我们严格按照图纸制造,而非凭猜测。每根铜质螺旋天线弹簧均按您指定的圈数、螺距和自由长度进行机加工或卷制。在货物出厂前,我们会在校准过的测试夹具上验证尺寸和电气连续性。若不符合您的公差要求,绝不发货。概览: 线径和螺距公差±0.02 mm,自由长度公差±0.05 mm,图纸确认后交期7–12个工作日,无最小起订量(可订一件或一万件),从线材到包装全程材料可追溯。规格参数参数


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开篇

您的图纸决定零件规格。我们严格按照图纸制造,而非凭猜测。每根铜质螺旋天线弹簧均按您指定的圈数、螺距和自由长度进行机加工或卷制。在货物出厂前,我们会在校准过的测试夹具上验证尺寸和电气连续性。若不符合您的公差要求,绝不发货。

概览: 线径和螺距公差±0.02 mm,自由长度公差±0.05 mm,图纸确认后交期7–12个工作日,无最小起订量(可订一件或一万件),从线材到包装全程材料可追溯。

规格参数

参数数值
材料C11000、C17200铍铜、C52100磷青铜、C27000黄铜
线径范围0.05 mm – 5.0 mm
线圈外径范围0.5 mm – 50 mm
自由长度范围1.0 mm – 100 mm
圈数公差±0.25圈
螺距公差±0.02 mm
自由长度公差±0.05 mm(压缩弹簧)
表面处理光亮、镀镍、镀金、镀银或钝化
工艺CNC卷簧、CNC磨削、热处理、滚筒去毛刺
检测关键线圈100%尺寸检测,外径/内径2D视觉检测系统
批次追溯每批次记录炉号和线材批次
包装防静电袋、ESD托盘或SMT编带包装

定制电池接触弹簧

所有铜质螺旋天线弹簧均在我们自有的CNC卷簧机上生产,卷制工序不外发。针对高频射频应用,我们提供镀金铍铜材质,以保持低接触电阻和稳定的电感特性。

客户选择向我们发送图纸的三个理由

1. 批次可追溯的质量,而非抽检。 每个批次分配唯一工单号。我们记录线材供应商、炉号、设备参数和操作员编号。如果您在第12批次中发现任何问题,我们可以在1小时内调出第12批次的完整生产记录。这是标准服务,不额外收费。

2. 每批次附检测报告,免费提供。 您将收到一份尺寸报告,包含外径、内径、自由长度、圈数和表面状况的实测值。对于射频弹簧,我们还会附上直流电阻测试值。报告由我们的质检工程师签字,随货发出,不收取额外费用。

3. 一家工厂完成CNC加工+冲压+弹簧+散热器。 您的天线弹簧很少单独发货。它通常与冲压触点、CNC加工外壳或散热器配套使用。我们可在同一厂区内完成所有这些工序。您只需发送一套图纸,即可获得一份报价、一套质检报告和一次发货。供应商越少,公差不匹配的问题越少,问题解决也更快。

应用领域

铜质螺旋天线弹簧并非装饰件。它们承载射频电流并提供机械压缩力。典型应用包括:

  • 手持对讲机天线 – 弹簧底座吸收冲击并保持接地接触。
  • 物联网模块和LoRa网关 – 螺旋线圈在868 MHz和915 MHz频段作为紧凑型辐射元件。
  • 汽车遥控钥匙 – PCB与电池端子之间的弹簧触点,10,000次循环后仍保持稳定的接触力。
  • 医疗遥测发射器 – 用于2.4 GHz频段的小直径铍铜线圈,镀金处理以满足生物相容性要求。
  • 测试插座和弹簧探针组件 – 铜弹簧为高频信号完整性提供低电感路径。
  • GPS和GNSS贴片天线 – 弹簧加载馈电引脚在振动条件下保持接触。

如果您的零件不在上述列表中,也请发送图纸。我们曾为无人机云台、射频连接器甚至低温传感器支架制造过螺旋弹簧。

客户常见问题

问:真的没有最小起订量吗? 答:是的,没有最小起订量。单个原型件收费30美元加运费。量产时,我们根据您的年用量按件报价。小批量单价较高,但您绝不会被迫购买5,000件来测试一个设计。

问:0.3 mm线径的铜弹簧能达到什么公差? 答:线径公差为±0.02 mm,线圈外径公差为±0.05 mm,压缩弹簧自由长度公差为±0.05 mm。对于铍铜材质,热处理后自由长度公差可达±0.03 mm。如果您的图纸要求更严格的公差,若无法实现,我们会在报价前明确告知。

问:实际交期是多久? 答:原型件:5–7个工作日。量产:图纸确认和材料确认后7–12个工作日。镀金铍铜需额外增加3天电镀时间。我们通过DHL、FedEx或UPS全球发货。清关由您负责,但我们提供所有出口文件。

问:是否提供材质证明? 答:提供。每批次均附带原线材的钢厂证书,显示化学成分和机械性能。对于铍铜,我们还会提供热处理报告。如果您的客户要求特定标准(ASTM、JIS或GB),我们会按该标准采购线材并记录在案。

发送您的图纸

不要再猜测中国工厂能否达到您的公差要求。将您的PDF或STEP文件发送给我们,我们将在12小时内给出明确报价。我们不推销额外服务。如果设计规格超出实际应用需求,我们会如实告知,并在可行的情况下推荐更经济的材料。

邮箱:sc@bquq.com WhatsApp:+86 13713157787 请注明目标数量、所需材料和电镀要求。我们将在当天确认可行性并报价。

中国精密制造,无最小起订量,每批次附质检报告。您的图纸就是合同,我们按图制造。

需要其他零件?我们同样在东莞工厂加工定制不锈钢拉伸弹簧 | 精密制造,无最小起订量


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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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