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螺旋弹簧天线线圈系列 | BQUQ精密制造

这是螺旋弹簧天线线圈系列,由BQUQ东莞工厂通过CNC卷制和精密磨削生产。您可获得±0.01 mm尺寸公差、最大0.05 mm总跳动,以及每批次一致的48–52 HRC硬度——此外,原型线圈的交货期为7天。无最小起订量,无最小订单限制,每个线圈在发货前均经过检验。 我们实际控制的线径范围和线圈几何形状 我们卷制弹簧天线元件,线径范围为0.10 mm至5.00 mm。自由长度范围为3 mm至200


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这是螺旋弹簧天线线圈系列,由BQUQ东莞工厂通过CNC卷制和精密磨削生产。您可获得±0.01 mm尺寸公差、最大0.05 mm总跳动,以及每批次一致的48–52 HRC硬度——此外,原型线圈的交货期为7天。无最小起订量,无最小订单限制,每个线圈在发货前均经过检验。

我们实际控制的线径范围和线圈几何形状

我们卷制弹簧天线元件,线径范围为0.10 mm至5.00 mm。自由长度范围为3 mm至200 mm,外径范围为1.5 mm至60 mm。有效圈数可指定为2至50圈。我们将螺距公差控制在每圈±0.02 mm,并可磨平端面至0.05 mm平行度,适用于垂直天线安装。如果您需要锥形或圆锥螺旋线圈用于带宽调谐,我们同样可以生产——并保持相同的公差叠加。

保持射频性能稳定的材料和热处理

对于天线线圈,材料选择同时影响机械回弹和导电性。我们备有弹簧回火磷青铜(C5210)、铍铜(C17200)和302不锈钢。磷青铜在时效硬化后硬度可达45 HRC;铍铜硬度可达52 HRC,导电率为25% IACS。所有线圈在卷制后在315°C下进行30分钟去应力处理,然后根据需要钝化或镀镍。我们不使用来源不明的线材——每卷线材均附带钢厂检测报告认证。

用于高频信号路径的表面光洁度和边缘处理

线圈线材的表面粗糙度控制在Ra 0.4 µm或更优。这一点很重要,因为粗糙表面会增加2.4 GHz及以上频率的射频电阻。我们还去除所有锐边——线材端部倒圆至0.05 mm半径——确保无毛刺,避免在高功率发射机中引起电晕放电或电弧。如果您的设计需要镀金以提高耐腐蚀性,我们会在镍底层上施加0.2–0.5 µm的硬金。

跳动控制和线圈轴线直线度

线圈本体的总指示跳动(TIR)在相对于中心轴线测量时控制在最大0.05 mm。我们通过使用带伺服驱动螺距控制的CNC卷簧机以及实时检测每个线圈外径的激光测微计来实现这一目标。对于长线圈(自由长度超过50 mm),我们在热处理后增加一道校直工序。这确保您的线圈在PCB上或天线罩内安装时保持垂直,不会发生机械弯曲。

每次发货前均进行检验——不仅仅是样品报告

我们对100%的线圈进行外径、自由长度和总圈数检验。对于螺距和跳动等关键尺寸,我们按照ISO 2859-1采用AQL 0.65抽样计划。每批次均附带包含三坐标测量机数据的完整尺寸报告和硬度测试证书。如果您需要线圈几何形状的3D扫描用于存档,我们可以提供PDF或STEP文件。没有线圈会在没有可追溯批号的情况下离开工厂。

规格——螺旋弹簧天线线圈系列

线径范围0.10 mm – 5.00 mm
外径范围1.5 mm – 60 mm
自由长度范围3 mm – 200 mm
有效圈数2 – 50圈
尺寸公差外径和长度±0.01 mm
螺距公差每圈±0.02 mm
总跳动(TIR)最大0.05 mm
硬度范围48 – 52 HRC(铍铜)
表面光洁度最大Ra 0.4 µm
材料C5210磷青铜、C17200铍铜、302不锈钢
交货期(原型)7天
交货期(批量生产)15 – 20天
最小起订量无最小起订量

如果您仍在为切割或磨削这些线圈选择合适的刀具,我们的CNC刀具选择指南涵盖了弹簧钢和铜合金的刀具几何参数。有关天线外壳或安装支架的整体尺寸限制,请参阅我们的CNC加工公差指南,以避免过度规格化。

常见问题——螺旋弹簧天线线圈系列

最小起订量(MOQ)是多少?

没有最小起订量——我们接受单个原型线圈用于测试。

您能否针对特定频段定制线圈螺距或锥度?

可以,我们根据您的射频仿真或图纸调整螺距和线圈直径,并可在48小时内进行迭代。

对于大批量生产,您如何验证质量?

我们对外径和长度进行100%检验,并对螺距和跳动采用AQL 0.65标准,每批次附带完整的三坐标测量机报告。

如果我需要加急订单,典型交货期是多久?

原型线圈7天内发货;最多10,000件的批量生产在15–20天内发货,如需加急可缩短至10天,但需额外收费。

索取正式报价——我们在12小时内回复

将您的图纸(PDF、STEP或DXF格式)和目标数量发送给我们。我们将返回一份正式报价,包含精确价格、交货期,如果您尚未确定材料,我们还会提供建议。发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。BQUQ是中国东莞的一家精密制造工厂,拥有20年的CNC加工、冲压和弹簧生产经验。您的螺旋弹簧天线线圈将在中国制造,并采用我们应用于航空航天和电信零件的相同质量控制标准。


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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