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BQUQ汽车冲压件 – 精密、硬度、快速交期

这些冲压件是什么以及背后的硬性数据 这些是用于汽车底盘、支架、发动机悬置和结构加强件的金属冲压部件——通过160吨至250吨压力机上的级进模冲压生产。我们保证±0.01mm位置公差、≤0.05mm平面度以及Ra 1.6表面光洁度。高强度钢变体的硬度为42HRC。原型标准交期为15天,生产件为25天。这就是精密制造,中国制造,毫无意外。 级进模冲压:我们如何在10万次冲压中保持±0.01mm精度


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这些冲压件是什么以及背后的硬性数据

这些是用于汽车底盘、支架、发动机悬置和结构加强件的金属冲压部件——通过160吨至250吨压力机上的级进模冲压生产。我们保证±0.01mm位置公差、≤0.05mm平面度以及Ra 1.6表面光洁度。高强度钢变体的硬度为42HRC。原型标准交期为15天,生产件为25天。这就是精密制造,中国制造,毫无意外。

级进模冲压:我们如何在10万次冲压中保持±0.01mm精度

我们的级进模每条料带设置六至十二个工位。每个工位在料带步进前执行独立操作——冲孔、弯曲、压印或修边。导正销在每一步都将料带定位在±0.005mm以内。这就是为什么即使在连续10万次冲压后,您的孔中心距仍能保持在±0.01mm以内。我们还在冲孔凸模上使用硬质合金镶件,其耐磨性是标准工具钢的三倍,因此在整个生产过程中公差漂移保持在0.005mm以下。

我们用于汽车冲压件的材料与热处理工艺

我们冲压DC01、DC03、DC04冷轧钢、SPCC、SPHC热轧钢以及301/304不锈钢。对于高强度需求,我们使用SAPH440或QSTE420TM——这些材料的屈服强度为420–500MPa。冲压后,我们通过感应淬火将选定零件热处理至42HRC,这提供了耐磨表面,同时保持芯部韧性。对于弹簧钢部件(如卡夹),我们使用65Mn并回火至44–48HRC。每批产品在包装前都会在洛氏硬度计上进行硬度测试。

规格数值/范围
材料厚度0.3mm – 6.0mm
压力机吨位160T、200T、250T
位置公差±0.01mm
平面度每100mm长度≤0.05mm
表面光洁度Ra 1.6(可选Ra 0.8)
硬度(淬火件)42HRC – 48HRC
毛刺高度≤0.03mm
原型交期15天
生产交期批准后25天
起订量无起订量——从单件到100万件

保持零件几何形状稳定的模具维护

我们每2万次冲压执行一次预防性维护计划。模具被取出、清洁并检查刃口磨损情况。当毛刺高度达到0.02mm时我们重新刃磨凸模,而不是像许多工厂那样等到0.05mm。这保证了您的孔边缘干净,弯曲角度保持在±0.5°以内。如果您想了解这为何重要,请阅读我们的CNC刀具选择指南——同样的原则也适用于冲压模具。结果是首件到末件始终如一的零件质量。

每次发货前的检测:三坐标测量机和硬度报告

每批产品都在蔡司三坐标测量机上进行全尺寸检测。我们测量每个零件多达12个关键特征,包括孔位、弯曲半径和表面轮廓。三坐标数据记录在PDF报告中,包含您的零件号和日期。对于硬度,我们在洛氏硬度计上测试每批热处理产品的三个样品,并将HRC值打印在证书上。我们还对每第十个零件在10倍放大下进行目视毛刺检查。这不是抽样——这是产品离开我们车间前的全面把关。

我们如何实现无起订量而不牺牲成本

我们为小批量运行专门设置了一条原型压力机生产线。这意味着单件样品的模具设置成本与500件批量相同,但我们不会因低批量而额外收费。您只需支付模具、材料带料和机器工时费用——没有其他费用。对于超过5万件的生产批量,我们切换到高速生产线,这可将单件成本降低高达30%。这就是我们如何在汽车冲压件上提供无起订量,同时保持与大批量供应商竞争性单价的方式。

常见问题

最小起订量是多少?

无起订量——您可以订购一件原型或一百万件;模具成本相同,我们不会惩罚小订单。

你们可以定制形状和材料吗?

可以,我们接受任何2D或3D图纸(STEP、IGES、DWG格式),并且我们可以在5天内采购任何标准汽车级钢材。

你们如何控制冲压件的质量?

我们使用三坐标测量机进行首件检测,每小时进行过程检查,并在发货前提供最终尺寸/硬度报告。

定制冲压件的交期是多久?

原型模具需要15天,生产件在您批准样品后需要25天;对于紧急订单,我们可以加急至10天,需收取少量加急费。

12小时内获得确定报价

将您的图纸以STEP、IGES或PDF格式发送给我们。我们将在12小时内回复确定的单件价格、模具成本和交货日期。如果您需要冲压设计方面的帮助,请查看我们的CNC加工公差指南,了解弯曲半径和孔距的实际限制。将您的文件发送至sc@bquq.com或通过WhatsApp联系我们:+86 13713157787。这是将您的图纸转化为经过验证、成本明确的冲压件的最快方式。


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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