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磷青铜波纹弹簧垫圈冲压 | BQUQ精密制造

BQUQ提供的磷青铜波纹弹簧垫圈冲压件,是一款承载垫圈,在10万次循环后仍保持弹性。我们将平面度控制在0.02 mm以内,厚度公差±0.01 mm,原型标准交期为5个工作日。硬度为80–100 HRB,而非HRC,因为磷青铜需要弹簧回火,而非脆性硬度。 为何波纹垫圈在振动环境下优于平垫圈 平垫圈仅分散载荷。波纹垫圈增加了轴向变形——它能回弹抵住松动的螺栓。我们的冲压模具成型3个或5个波峰,根据厚


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BQUQ提供的磷青铜波纹弹簧垫圈冲压件,是一款承载垫圈,在10万次循环后仍保持弹性。我们将平面度控制在0.02 mm以内,厚度公差±0.01 mm,原型标准交期为5个工作日。硬度为80–100 HRB,而非HRC,因为磷青铜需要弹簧回火,而非脆性硬度。

为何波纹垫圈在振动环境下优于平垫圈

平垫圈仅分散载荷。波纹垫圈增加了轴向变形——它能回弹抵住松动的螺栓。我们的冲压模具成型3个或5个波峰,根据厚度提供15–40 N/mm的弹簧刚度。我们将波高控制在±0.03 mm以内,确保预紧力可预测。如果您需要一款能在电机支架或PCB螺柱上承受高频振动的防松垫圈,这种几何结构非常适用。

磷青铜C5191与C5210——我们的库存选择

我们以带材形式供应C5191(锡含量5–7%)和C5210(锡含量7–9%)。C5191在反复压缩下具有更高的疲劳强度;C5210在盐雾环境中具有更好的耐腐蚀性。两者均有半硬、硬和特硬回火状态。对于大多数垫圈应用,我们推荐特硬C5191——在10%变形后能恢复原状,且波峰处不开裂。

防止波峰开裂的模具设计

波纹垫圈在弯曲半径过小时会开裂。我们的模具使用最小内半径1.5×材料厚度,绝不小于此值。我们还在波峰处增加一道压印工序——这能压缩晶粒结构,消除初次弯曲产生的微裂纹。结果:5万次冲压后,99.7%的零件无边缘裂纹。生产前,我们使用轮廓仪检查每套模具。

每个波峰的表面光洁度与毛刺控制

冲压会在剪切边缘留下毛刺。对于弹簧垫圈,毛刺可能切入配合表面。我们将毛刺高度限制在最大0.05 mm,二次振动光饰将表面粗糙度降至Ra 0.4 µm。如果您需要镜面光洁度用于电接触,我们会增加一道刷抛工序——这需要额外2天,但能去除所有工具痕迹。

每次发货前全检——而非抽样检验

对于1,000件以下的订单,我们使用三坐标测量机测量100%的关键尺寸。对于大批量订单,我们使用自动光学检测仪,每50件检查一次波高、外径和厚度。我们还对每批5件进行压缩测试:将垫圈压缩至自由高度的70%,并验证其回弹至原始高度的3%以内。若任何垫圈不合格,整批返工。

交期与模具——无起订量,中国制造

原型模具需7天,生产模具需15天。模具验收后,首件在5个工作日内发货。我们无起订量——订购10件或10万件,质量控制相同。我们的东莞工厂24/5运行,因此急单(3天交期)可加急,加收20%附加费。所有零件在中国制造,但我们以DDP方式运往美国和欧盟,附带完整材料证书。

参数数值
材料磷青铜C5191、C5210
厚度0.1 – 2.0 mm
外径3 – 80 mm
波数3、5或定制
硬度80 – 100 HRB(弹簧回火)
厚度公差±0.01 mm
波高公差±0.03 mm
表面光洁度Ra 0.4 µm(振动光饰)
跳动(同心度)≤0.05 mm TIR
交期5天(原型),15天(模具)
起订量无起订量

波纹垫圈的最小起订量是多少?

零——我们接受任何数量,从单个原型到大批量生产,500件以上订单免收模具费。

能否定制波数、直径或材料回火状态?

可以,我们将波数从3改为7,以0.5 mm步进调整外径,并根据您的载荷要求选择半硬、硬或特硬状态的C5191或C5210。

50件小批量如何保证质量?

1,000件以下批次中的每件垫圈均使用三坐标测量机和波高仪单独测量;我们随附带照片的完整检测报告。

需要10,000件时典型交期是多少?

生产模具需15天,然后3天内冲压10,000件——总计18个工作日,或使用加急选项12天。

对于您的下一个项目,如果您还计划机加工配合零件,请查看我们的CNC切削刀具选型指南,并参阅我们的CNC加工公差指南,以匹配冲压公差与您的装配要求。两份指南均涵盖实际车间极限,而非理论数值。

请将您的图纸发送给我们——DXF、STEP或PDF格式——我们将在12小时内返回正式报价。邮箱sc@bquq.com或WhatsApp +86 13713157787。精密制造是我们唯一业务,BQUQ已在东莞深耕20年。


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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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