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BQUQ 不锈钢动力弹簧触点冲压电池连接器板

该板的功能及其对电池组的重要性 这是一款不锈钢动力弹簧触点冲压电池连接器板——一种一体式金属冲压件,用于固定动力弹簧触点,同时在电池组的电芯之间传导电流。我们确保平面度控制在0.02 mm以内,接触表面粗糙度达到Ra 0.4 µm,从而在数千次循环中保持稳定的接触压力和电气连续性。图纸确认后平均交期为15天,采用硬化301不锈钢时,零件硬度可达42–48 HRC,能够在持续弹簧负载下抵抗变形。


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该板的功能及其对电池组的重要性

这是一款不锈钢动力弹簧触点冲压电池连接器板——一种一体式金属冲压件,用于固定动力弹簧触点,同时在电池组的电芯之间传导电流。我们确保平面度控制在0.02 mm以内,接触表面粗糙度达到Ra 0.4 µm,从而在数千次循环中保持稳定的接触压力和电气连续性。图纸确认后平均交期为15天,采用硬化301不锈钢时,零件硬度可达42–48 HRC,能够在持续弹簧负载下抵抗变形。

我们如何消除薄规格弹簧触点板的变形问题

薄不锈钢(0.15 mm至0.8 mm)在冲压和热处理后容易翘曲。我们通过两步渐进模具解决这一问题——在一道工序中完成下料、压印和成型,然后进行400°C、2小时的二次去应力退火。这确保触点指与基板之间的平行度总跳动量控制在0.02 mm以内——使用三坐标测量机(CMM)测量,而非塞尺。对于高循环电池应用,我们可增加微喷丸处理步骤,以闭合弯曲半径处的微裂纹,将疲劳寿命提升至超过10,000次插拔循环。

我们用于电池连接器板的材料与热处理

我们常备三种材料等级用于此零件:301全硬不锈钢(标准,48 HRC)、304退火态(用于深拉深凹槽,最大20 HRC)和430铁素体不锈钢(用于成本敏感的消费类电池组,85 HRB)。如需特定回火状态,我们可以订购——但301全硬是默认选择,因为其在±0.5°弯曲角度下具有最佳的回弹一致性。对于潮湿环境下的耐腐蚀需求,我们提供符合ASTM A967的钝化处理,可去除游离铁并形成铬氧化层,且不影响尺寸。

规格表:该冲压板的尺寸与性能限值

参数数值/范围备注
材料301不锈钢(全硬)、304、430ASTM A240认证
厚度0.15 – 0.8 mm每张±0.01 mm
硬度42–48 HRC(301)维氏430–500 HV
尺寸公差±0.01 mm(关键),±0.05 mm(一般)依据ISO 2768-mK
表面粗糙度(Ra)0.4 µm(接触区域),0.8 µm(其余)依据ASME B46.1测量
平面度最大0.02 mm在50 mm × 50 mm区域内
跳动量(触点指)总0.02 mm相对于基准平面
弯曲角度精度±0.5°模具中已补偿回弹
交期12–15天(已有模具),25天(新模具)自图纸确认起
最小起订量标准尺寸无最小起订量接受样品订单
包装防静电托盘、卷带或管装SMT符合EIA-481标准

每次发货前的检验:我们测量什么以及如何测量

每批次均进行首件检验(FAI),记录15个检测点——包括0.5 mm挠度下的接触力、配合面的表面粗糙度以及花岗岩平台上的平面度。制程中,我们使用每秒200帧的高速相机,在下料边缘毛刺超过0.03 mm之前及时捕捉其形成。最终质检对每批次抽取5件进行尺寸合规检查,并使用10倍放大镜对100%零件进行可见裂纹检查。如您要求,我们可提供包含所有关键特征X-Y-Z坐标的三坐标测量报告——订单超过5,000件时该报告免费。

该板如何与您的弹簧触点和电池电芯配合

该板的冲压凹槽设计用于以5–8 N的压配保持力嵌入动力弹簧触点,确保触点在振动过程中不会移位(我们按10 G RMS、10–2000 Hz进行测试)。基板厚度决定载流截面积——对于10 A连续负载,请使用0.3 mm或更厚的301不锈钢。如果您将此板与镀镍触点配合使用,我们的钝化步骤可保持不锈钢表面处于钝态,防止接合处发生电偶腐蚀。我们还可在非接触面激光蚀刻零件号和批次代码——此项免费,帮助您将故障追溯到特定热处理炉次。

电池连接器板的模具选项——渐进模具或多滑块成型

对于大批量(超过100,000件),我们使用16工位渐进模具——包括导正孔、压印、成型和切断。根据厚度和表面处理,零件成本为$0.03–$0.08。对于中等批量(5,000–50,000件),我们使用多滑块成型机,无需载体带,相比渐进模具可减少15%的材料浪费。我们常备12套适用于常见电池尺寸(18650、21700、26650)的标准模具——如果您的零件适配其中一种,模具费用为零,交期缩短至7天。对于定制形状,新模具费用为$1,200–$3,500,制作和验证需3周。

常见问题解答

此冲压电池连接器板的最小起订量是多少?

无最小起订量——我们接受单件样品用于验证,批量生产价格从500件起。

能否定制触点指长度或弯曲角度?

可以,我们可调整模具几何形状,以0.1 mm增量定制触点指长度、宽度和弯曲角度——只需发送您的图纸或带有关键尺寸的草图即可。

如何确保大批量电池组装配的质量?

我们对关键尺寸采用SPC(统计过程控制),外加100%目视检验和每批次5件三坐标测量审核,报告可按需提供。

定制不锈钢动力弹簧触点冲压电池连接器板的典型交期是多久?

新模具:图纸确认后25天至首批发货;现有模具:12–15天;库存标准尺寸:5天。

12小时内获取确定报价——立即发送您的图纸

我们在收到您的询价单后12小时内回复确定价格和交期。请将您的图纸(STEP、DXF或PDF格式)发送至sc@bquq.com,或通过WhatsApp联系+86 13713157787。这是精密制造,在中国拥有20年冲压经验——我们已交付超过4,000万片电池连接器板,无一例现场失效。如果您仍在选择合适材料或表面处理,请阅读我们的CNC刀具选择指南获取模具维护建议,或查看CNC加工公差指南,了解我们能在您的下一个项目中达到的精度。无最小起订量,无繁琐流程——只需一份可直接提交给采购团队的报价。


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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