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中国东莞五金冲压件制造商弹片 | BQUQ

这是一种金属冲压弹片——由高碳钢或铍铜制成的精密成型弹簧触点,用于开关、电池触点和EMI屏蔽中的保持、接地或导电功能。我们将平面度控制在0.02mm,位置公差±0.01mm,并在图纸确认后12天内交付首件。作为中国东莞五金冲压件制造商弹片,我们运行25吨至200吨的冲床,配备级进模,因此您可获得45–50 HRC的稳定硬度,无需二次热处理延误。 级进模冲压如何保持弹片弯曲一致性 弹片零件在弯曲半


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这是一种金属冲压弹片——由高碳钢或铍铜制成的精密成型弹簧触点,用于开关、电池触点和EMI屏蔽中的保持、接地或导电功能。我们将平面度控制在0.02mm,位置公差±0.01mm,并在图纸确认后12天内交付首件。作为中国东莞五金冲压件制造商弹片,我们运行25吨至200吨的冲床,配备级进模,因此您可获得45–50 HRC的稳定硬度,无需二次热处理延误。

级进模冲压如何保持弹片弯曲一致性

弹片零件在弯曲半径变化时会失效——接触力下降,电阻飙升。我们使用12至18工位的级进模,每一步在一次冲程中完成切割、弯曲和压印。导正销将料带位置控制在±0.005mm,因此每个弯曲角度保持在0.5度以内。对于电池触点弹片,这意味着在100,000个零件中,接触力重复性保持在0.3N至0.5N。我们还在载带上激光雕刻批次号,以便您将任何批次追溯到其模具和冲压参数。

我们用于弹片触点的材料与热处理

我们为弹片备有三种材料:C5210磷青铜(硬度180–220 HV)、SUS301不锈钢(全硬态,480 HV)和SK5高碳钢(淬火至45–50 HRC)。对于导电触点,我们在镍上镀0.4–1.0µm金。对于弹簧臂,我们在连续带式炉中于350°C回火90分钟——这消除了弯曲产生的残余应力,并防止10,000次循环后开裂。如果您需要特定合金如C17200铍铜,我们也可生产,但请注意材料采购会增加3天交期。

冲压边缘的表面处理与毛刺控制

弹片边缘必须无毛刺——0.05mm的毛刺可能卡住配合零件或割断电线。我们将模具间隙控制在材料厚度的5–8%,使圆角和毛刺保持在0.03mm以下。对于关键密封表面,我们增加微磨削工序以达到Ra 0.4µm。冲头侧的冲切面保持在Ra 0.8µm,这是冲压触点的标准。我们使用3D光学轮廓仪测量每件首件的毛刺高度,而非目视检查。

每次发货前的检验:CMM与硬度报告

每批弹片都经过三坐标测量机(CMM)检测,配备1µm分辨率探针。我们每10,000个零件中抽取5个检查关键弯曲角度、孔位和总长度。硬度在洛氏硬度计上验证(根据材料选择B或C标尺),检测三个点:弹簧臂、基座和弯曲区。我们随每批货物附上PDF报告,包括厚度和弹簧力的SPC图表。如果您订购50,000个零件,我们抽样25个——关键尺寸的AQL为0.65。

参数规格
材料选项C5210, SUS301, SK5, C17200
厚度范围0.08 – 2.0 mm
硬度(SK5)45 – 50 HRC
硬度(SUS301)480 HV min
位置公差±0.01 mm
平面度20 mm长度内0.02 mm
毛刺高度≤ 0.03 mm
表面光洁度(关键区域)Ra 0.4 µm
交期(首件)12天
最小起订量无最小起订量——接受100件

弹片原型试制无最小起订量政策

大多数中国冲压工厂设定10,000件的最低起订量。我们不设限。对于新弹片设计,我们接受100至500件用于功能测试。模具成本相同,但您避免了库存风险。如果您后续需要50,000件,我们将模具保存在工具室5年,并可在2周内提升产能。这对于医疗设备或EV电池应用尤为理想,因为您必须在批量生产前验证弹簧力。

模具维护清单与公差指南

我们的工具室遵循严格的200,000冲程维护计划——我们在磨损超过0.005mm之前更换冲头和模具镶件,而非在失效后。这在我们的CNC切削刀具选择指南中有记录,涵盖镶件等级如何影响弹片边缘质量。对于您自己的设计,请参阅我们的CNC加工公差指南,了解哪些尺寸我们可以经济地保持——每个孔的严格公差会增加成本,但我们可在每个零件最多3个特征上实现±0.01mm,且不额外收费。

中国制造,精密加工——这对您意味着什么

我们是一家位于广东东莞、拥有20年历史的工厂,配备15台冲压机和40名模具技师。我们的精密制造工艺基于日本模具钢(SKD11)和进口润滑脂——这防止了薄弹片上的模具粘着。您获得中国制造的成本优势,而无质量风险。我们出口至德国、日本和美国,我们的QC团队直接使用英语沟通——无中间代理商。每份报价均包含模具结构示意图和公差累积分析。

弹片冲压的最小起订量是多少?

无最小起订量——我们接受100件用于原型验证,批量定价在20,000件以上生效。

您能定制弹片弹簧力吗?

可以,我们调整弯曲角度、材料厚度或热处理以达到特定的牛顿力范围,并在发货前使用负载测试仪进行验证。

您如何控制大批量弹片订单的质量?

我们使用在线传感器对关键特征进行100%尺寸检测,并采用AQL 0.65抽样进行目视和硬度检查。

冲压弹片零件的标准交期是多少?

首件在图纸确认后12天内发货;50,000件的生产订单在18天内发货。

发送您的图纸,12小时内获得正式报价。电子邮件sc@bquq.com或WhatsApp +86 13713157787。我们将回复模具成本估算、单件价格和3D DFM审查——无任何义务。


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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