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EV高压接触器零件 | 精密金属冲压 无起订量

开场您的EV高压接触器设计需要能够在800V DC和250A持续电流下稳定运行的零件。我们按照您的图纸定制生产,而非照搬目录产品。每一件冲压零件在出货前均经过平面度、毛刺高度和镀层厚度的检验。公差:关键特征±0.02 mm交期:图纸确认后10-15个工作日无起订量:可订50件或500,000件材料厚度:0.1 mm至3.0 mm首件100%尺寸检测,量产批次按AQL 1.0抽检这是面向EV动力总成


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开场

您的EV高压接触器设计需要能够在800V DC和250A持续电流下稳定运行的零件。我们按照您的图纸定制生产,而非照搬目录产品。每一件冲压零件在出货前均经过平面度、毛刺高度和镀层厚度的检验。

  • 公差:关键特征±0.02 mm
  • 交期:图纸确认后10-15个工作日
  • 无起订量:可订50件或500,000件
  • 材料厚度:0.1 mm至3.0 mm
  • 首件100%尺寸检测,量产批次按AQL 1.0抽检

这是面向EV动力总成的精密制造。您的图纸要求严格,我们就严格达标;如果图纸有宽松之处,我们会指出可优化成本的地方。

规格参数

参数数值
材料C1100紫铜、C5191磷青铜、304不锈钢、黄铜、铍铜(C17200)
材料厚度0.1 – 3.0 mm
工艺级进模冲压、复合模冲压、精冲
设备能力25 – 200吨冲床,最高600次/分钟
公差±0.02 mm(机加工特征),±0.05 mm(成型特征)
表面处理哑光镀锡、镀银、镀镍,或保持原材料状态
毛刺高度≤ 0.05 mm,可要求去毛刺
平面度接触板50 mm长度范围内≤ 0.1 mm
批量规模50 – 5,000,000件
检测设备CMM三坐标测量仪、光学投影仪、2.5D影像测量系统、盐雾试验
认证IATF 16949、ISO 9001、RoHS、REACH

精密冲压垫圈与垫片

所有定制金属冲压均在我们东莞12,000平方米的工厂内完成。我们每周5天24小时运转,配备自有模具车间。核心冲压工序绝不外发。

采购商选择将图纸发给我们 的三大理由

1. 批次可追溯的质量。 每批产品分配唯一的炉号和生产日期。我们保留每批样品24个月。如果出现现场失效,我们可以追溯到具体的材料卷料和冲压行程。

2. 每批附检测报告。 您将获得包含CMM数据、表面粗糙度读数和镀层厚度测量的完整尺寸报告。绝非泛泛的"符合性证书",我们向您展示真实数据。

3. 一家工厂完成CNC+冲压+弹簧+散热器。 您的接触器包含冲压桥接件、CNC机加工极柱、压缩弹簧和散热器底座。我们全部在厂内自制。这意味着只需一张采购订单、一套质量体系,供应商之间不会互相推诿公差累积问题。

这些零件的应用场景

EV高压接触器并非简单的继电器。它们切换的直流负载会产生剧烈电弧。我们的冲压零件应用于:

  • 主接触器 – 承载200-500A持续电流的铜桥接触点和端子板。
  • 预充接触器 – 限制浪涌电流的小型冲压电阻和接触弹簧。
  • 快充接触器 – 用于350 kW直流充电桩、带焊接螺柱的重型铜母线。
  • 电池断开单元(BDU) – 电池包内部的冲压分流板和绝缘隔板。
  • 光伏及储能逆变器 – 类似的直流切换需求,相同的冲压触点几何结构。

共同点:大电流、强振动,以及对接触电阻一致性的严格要求。我们的冲压工艺确保接触表面平整洁净,使电阻在100,000次循环中保持低值。

采购商下单前常问的问题

问:真的没有起订量吗? 答:是的,没有起订量。我们常备常用铜带和黄铜带库存。对于50件的打样批次,我们使用简易模具,仅收取机时费和材料费。对于大批量订单,我们制造级进模并将模具成本分摊到单件价格中。

问:你们如何控制公差和质量? 答:首件使用CMM全尺寸检测并出具完整报告。量产批次每2小时使用2.5D影像测量系统抽检一次。接触间隙、平面度等关键尺寸在专用检具上进行100%全检。我们遵循IATF 16949程序,如需PPAP也可提供。

问:冲压零件的交期是多久? 答:打样(无模具)– 5-7个工作日。新开级进模量产 – 模具制造15-20个工作日,首批产品再需10-15天。返单10天内发货。如需加急,打样样品可在72小时内完成,需另收加急费。

问:你们能提供材质证明吗? 答:可以。每卷材料均附带钢厂质保书,注明化学成分和力学性能。我们还提供RoHS和REACH声明。每批产品均附带镀层厚度报告。

发送您的图纸

将您的PDF或STEP文件发送至 sc@bquq.com。我们的工程师将在4个工作小时内完成审核。12小时内您将收到正式报价——包含价格、模具费用、交期以及针对风险特征的DFM建议。

更喜欢即时沟通?可通过WhatsApp +86 13713157787 发送图纸照片。我们将确认关键尺寸并于当天回复报价。

无起订量、无推诿、无隐藏模具费用。这是拥有20年EV行业经验的中国定制金属冲压制造。发送图纸,我们为您做到完美。

需要其他零件?我们同样在东莞工厂加工精密冲压手表零件 | 定制金属冲压,无最小起订量


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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