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BQUQ太阳能接线盒端子夹片系列 – 中国精密冲压制造

本系列为您的光伏组件装配提供什么 这是一个可随时发货的系列,包含用于太阳能接线盒的冲压铜和铜合金夹片——这些金属触点将光伏焊带固定到位,并在25年的热循环中保持导电而不会松动。该系列中的每个夹片均以±0.02 mm平面度公差冲压而成,接触区域表面粗糙度为0.8 µm Ra。铍铜材质的硬度保持在48 HRC,交货期从图纸批准到交付为15天。您购买的不是通用五金件,而是能够在–40°C至+85°C


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本系列为您的光伏组件装配提供什么

这是一个可随时发货的系列,包含用于太阳能接线盒的冲压铜和铜合金夹片——这些金属触点将光伏焊带固定到位,并在25年的热循环中保持导电而不会松动。该系列中的每个夹片均以±0.02 mm平面度公差冲压而成,接触区域表面粗糙度为0.8 µm Ra。铍铜材质的硬度保持在48 HRC,交货期从图纸批准到交付为15天。您购买的不是通用五金件,而是能够在–40°C至+85°C环境下无蠕变、持续导电的电气连续性。

冲压触点在接线盒中如何优于焊接接头

焊接接头在振动下会开裂。我们的冲压夹片采用弹簧回火几何设计,即使在10,000次插拔循环后,仍能对焊带保持4.5 N的法向力。模具设计形成压印接触脊——这将电气接触点的局部硬度提升至52 HRC,使接触电阻降至0.5 mΩ以下。与松散配合夹片典型的2 mΩ相比,这是可测量的显著下降。对于您的组串式逆变器,这意味着更少的热量、更少的热点以及更长的二极管寿命。

我们为太阳能级导电性所采用的材料和热处理工艺

我们为本系列备有三种合金:C1100铜(电导率101% IACS)、C17200铍铜(电导率22% IACS,但弹簧强度可达48 HRC)和C5210磷青铜(抗拉强度620 MPa)。所有带材在冲压前均附有钢厂认证。热处理在氮气保护下的连续网带炉中进行——这可防止氧化皮形成,并将表面粗糙度保持在0.8 µm Ra以下。我们不使用油淬,因为油淬会留下碳膜,从而提高接触电阻。每批次均使用显微维氏硬度计进行测试;我们随零件附上检测报告。

每次发货前的全尺寸检测——而非仅抽样

我们对关键特征进行100%全尺寸检测:夹片宽度、折弯角度和端子孔径。蔡司三坐标测量机每50个零件测量一件;其余49件使用校准过的塞规和轮廓投影仪检查。定位片的跳动度控制在0.03 mm总量以内。我们对每次模具生产的首件和末件进行拍照,并将照片附在您的装箱单上。这是我们证明模具在生产过程中未磨损的证据——您从第1件到第50,000件收到的夹片完全一致。

长途运输的包装和防变色保护

裸铜在潮湿空气中会氧化。我们将所有夹片用VCI(气相防锈)纸包装,然后与硅胶一起真空密封。这可在仓储条件下将表面粗糙度保持在0.8 µm Ra达12个月。对于发往欧洲或北美的海运,我们额外增加一层防静电泡沫以防止机械损伤。每个箱子都贴有标签,标明批次号、材料炉号和冲压日期——可追溯至具体的金属卷料。

单件成本与总拥有成本——我们的核算方式

我们的模具摊销仅在产量达到200,000件后才计入单价。对于小批量(5,000–50,000件夹片),您需支付一次性模具费$800–$1,500。该模具归您所有;我们免费为您存储5年。对于大批量,单件价格降至$0.02–$0.05,具体取决于合金和厚度。无最小起订量意味着您可以订购1,000件用于试产,然后无需重新谈判模具即可扩大规模。这是中国制造的精密加工,但有一位东莞工程师会在一个工作日内回复您的邮件。

冲压您的定制夹片前我们执行的的设计审查

请将2D图纸或3D STEP文件发送给我们。我们在48小时内进行DFM(可制造性设计)审查——我们会标记过小的内圆角半径(低于0.3 mm)、过大的折弯角度(超过90°)以及对冲压而言过严的材料厚度公差。然后我们在冲压模拟软件中模拟回弹。这样,您的首件就是正确的,而非猜测。作为参考,我们的标准冲压能力为:厚度0.1–3.0 mm,零件尺寸最大300 mm x 300 mm,孔径最小0.5 mm。如果您对材料选择不确定,请参阅我们的CNC刀具选择指南获取合金建议,以及我们的CNC加工公差指南了解我们可实现的平面度公差。

规格表 — 太阳能接线盒端子夹片系列

参数数值/范围
可选材料C1100铜、C17200铍铜、C5210磷青铜
厚度范围0.1 mm – 3.0 mm
硬度(铍铜)48 HRC(弹簧回火)
硬度(磷青铜)42 HRC
平面度公差±0.02 mm
表面粗糙度(接触区域)0.8 µm Ra
接触电阻< 0.5 mΩ(10,000次循环后)
焊带法向力4.5 N
跳动度(定位片)0.03 mm总量
交货期(自图纸批准起)15天
最小起订量无最小起订量(欢迎试产订单)

该太阳能接线盒端子夹片系列的最小订购量是多少?

无最小起订量——我们接受1,000件用于试产,并可扩展至500,000件以上而无需更换模具。

你们能否针对非标准焊带宽度定制夹片几何形状?

可以,我们可为2 mm至8 mm的任何焊带宽度修改模具,并在收到您的图纸后48小时内返回DFM报告。

你们如何确保夹片在安装前不会腐蚀?

我们使用VCI纸、真空密封和硅胶——这可在潮湿仓储条件下将0.8 µm Ra的表面粗糙度保持12个月。

如果我需要加急订单,你们的交货期是多少?

标准交货期为15天;加急订单(7天)适用于20,000件以下的小批量,视冲压设备可用性而定。

12小时内获得明确报价。将您的图纸发送至sc@bquq.com或WhatsApp +86 13713157787。我们将回复DFM审查、单件价格和模具费用——没有泛泛的销售话术,只有您可以纳入BOM的准确数据。


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

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