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玩具电池接触弹簧电源端子定制模具制造 | BQUQ

这款冲压接触弹簧在您的玩具中发挥的作用 这是一款金属冲压电池接触弹簧和电源端子,采用我们东莞工厂自制的定制模具生产。具体优势:您可获得位置公差±0.02 mm、线圈端面总跳动0.05 mm、表面粗糙度Ra 0.8 µm的弹簧触点——全部由一副以每分钟300冲次运行的级进模一次成型。新定制模具的典型交期为15个工作日,每批次均随附首件检验报告。 为何冲压弹簧优于绕制弹簧,适用于玩具电池触点 绕制


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这款冲压接触弹簧在您的玩具中发挥的作用

这是一款金属冲压电池接触弹簧和电源端子,采用我们东莞工厂自制的定制模具生产。具体优势:您可获得位置公差±0.02 mm、线圈端面总跳动0.05 mm、表面粗糙度Ra 0.8 µm的弹簧触点——全部由一副以每分钟300冲次运行的级进模一次成型。新定制模具的典型交期为15个工作日,每批次均随附首件检验报告。

为何冲压弹簧优于绕制弹簧,适用于玩具电池触点

绕制弹簧节距松散且端面平整度不一致,会导致玩具跌落时电池接触不良。我们的冲压接触弹簧由扁平带材成型,然后弯曲成多圈线圈形状,并带有一个压印平整的支撑面。结果:端面平整度在0.03 mm以内,无锋利边缘划伤电池包装膜,弹簧刚度重复性在10万次循环内为±3%。我们采用此工艺生产遥控器、毛绒玩具和掌上游戏设备中的电源端子。

模具钢材选择与热处理,确保100万次冲次寿命

您的定制模具根据带材厚度和弯曲半径,选用SKD11或DC53工具钢制造。对于厚度低于0.3 mm的带材,我们使用淬硬至58–60 HRC的SKD11。对于厚度最高1.2 mm的较厚带材,60–62 HRC的DC53提供更好的耐磨性。每个模腔均经线切割加工,然后手工抛光至成型表面镜面光洁度Ra 0.2 µm。我们保证首次模具维护前可冲压100万次,并且每套模具随附一个备用冲头和凹模镶件。

我们常备的玩具电池触点及电源端子材料

我们常备五种材料,可覆盖90%的玩具电池触点应用:C7521白铜(耐腐蚀性最佳)、C5210磷青铜(回弹一致性最佳)、SUS301不锈钢(适用于高温环境)、SPCC冷轧钢(成本最低)以及镀锡黄铜(适用于焊接)。所有材料均附带钢厂材质证明。如果您需要特定合金,我们可在3天内采购到位,并仍能满足15天的模具交期。

规格参数数值/范围
可选材料C7521、C5210、SUS301、SPCC、镀锡黄铜
带材厚度0.08 mm – 1.20 mm
弹簧线圈外径2.0 mm – 15.0 mm
端子引脚宽度1.0 mm – 8.0 mm
硬度(成型态)HV 150 – HV 480(取决于材料)
模具钢材硬度58 – 62 HRC
位置公差±0.02 mm
线圈端面跳动≤ 0.05 mm
表面粗糙度Ra 0.8 µm(标准),Ra 0.2 µm(抛光)
交期(新模具+样品)15个工作日
起订量样品无起订量;量产10,000件

我们如何在300冲次级进模中保持±0.02 mm公差

公差并非靠运气——它来自一副6工位级进模,每个工位均配有固定导正销。带材以每分钟300冲次通过带有吨位传感器的伺服压力机送进。每个工位均设有独立的微调凸轮用于弯曲角度校正,并且我们每500个零件使用激光测微仪进行一次在线尺寸检测。供您参考,我们的完整公差策略记录在CNC加工公差指南中,该指南基于我们应用于冲压件的相同测量原理。

每次发货前检验:5点接触测试

每批玩具电池接触弹簧在包装前均经过5点检验。首先,我们使用数字测力计测量1.0 mm压缩量下的弹簧力——可接受范围为您的标称值±5%。其次,我们使用四线微欧计测量与标准电池端子的接触电阻,目标低于20 mΩ。第三,我们使用通止规检验线圈外径。第四,我们在标准AA或AAA电池夹具上进行50次插拔测试。第五,我们使用粗糙度仪对每1,000件中的3个随机零件进行表面粗糙度检测。完整报告在发货后24小时内通过电子邮件发送给您。

延长模具寿命至300万次冲次的模具维护清单

我们不会交付模具后就撒手不管。每套定制模具均附带一份纸质维护清单,同时我们也在线上发布相同规程——请参阅我们的CNC切削刀具选择指南了解设备端视角。简言之:每5,000冲次用防锈油擦拭模具表面,每50,000冲次检查导正销磨损情况,每500,000冲次更换冲头鼻端。如果您将模具寄回给我们,我们以新模具一半的成本进行翻新维护,并在7天内返还。

定制冲压模具有最低起订量要求吗?

模具本身无起订量——您只需支付一次模具工程费,模具完成后可仅订购1件打样样品,待准备就绪后再扩大至每批10,000件。

能否制造适配CR2032纽扣电池的弹簧触点?

可以,我们使用0.10 mm厚的C5210磷青铜带材制造纽扣电池触点,成型为外径6.5 mm的线圈,并带有一个0.3 mm的压印凸点用于卡住电池边缘,整体高度控制在1.5 mm ±0.05 mm。

你们如何保证弹簧在10万次压缩后不失去弹力?

我们在冲压后对每个弹簧进行3次全压缩预压至实心高度的80%,以消除残余应力——我们的测试样品显示10万次循环后弹力损失低于5%,并且我们会在首件报告中附上循环测试数据。

定制带特定镀层的电源端子交期是多久?

如果材料有库存,模具制造需15个工作日,首批生产若需选择性镀金或全镀锡则增加3个工作日——总计18个工作日送达您手中。

发送您的图纸,12小时内获得正式报价

我们是一家中国精密制造供应商,直接与玩具设计工程师和采购团队合作。请将您的2D图纸(PDF或DXF)或3D STEP文件发送至sc@bquq.com,我们的工程师将在12小时内回复,提供正式模具报价、单件价格,以及若发现潜在成型问题时的DFM反馈清单。如有紧急问题,可通过WhatsApp联系我们:+86 13713157787。无起订量压力,首次评审免设计费。


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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