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BQUQ冲压钢制铰链支架系列 | 精密制造

本系列产品的具体数据表现 本系列包含24种标准冲压钢制铰链和支架型材,专为机箱、面板和承重底盘设计。每个零件出厂时均保证±0.05 mm位置公差、Ra 1.6 µm表面光洁度,以及100 mm长度上0.1 mm的平面度跳动。热处理后弯曲区域硬度为38–42 HRC。交期自图纸确认后15天,且我们不设最低起订量。 我们的冲压模具为何能避免毛刺和边缘裂纹 我们采用五工位级进模,每侧间隙为材料厚度的


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本系列产品的具体数据表现

本系列包含24种标准冲压钢制铰链和支架型材,专为机箱、面板和承重底盘设计。每个零件出厂时均保证±0.05 mm位置公差、Ra 1.6 µm表面光洁度,以及100 mm长度上0.1 mm的平面度跳动。热处理后弯曲区域硬度为38–42 HRC。交期自图纸确认后15天,且我们不设最低起订量。

我们的冲压模具为何能避免毛刺和边缘裂纹

我们采用五工位级进模,每侧间隙为材料厚度的5%。该间隙可防止铰链销孔区域产生卷边和断裂带。模具镶件采用D2工具钢制造,硬度达60 HRC,每冲压50,000次后重新研磨。关键枢轴区域可获得干净的剪切边缘,毛刺高度小于0.05 mm。大多数铰链型号无需二次去毛刺处理。

我们应用的材料牌号及热处理工艺

标准材料包括:SPCC(冷轧钢板)用于一般用途,SECC(电镀锌钢板)用于耐腐蚀要求,65Mn弹簧钢用于需要弹性回复的铰链叶片。对于65Mn材料,我们在820 °C下奥氏体化,油淬,然后在350 °C回火,以达到40–45 HRC硬度。SPCC零件仅在销孔位置进行0.2 mm深度的渗碳处理,以延长循环寿命而不使叶片变脆。每批次均附带完整材质证明。

真正能牢固附着涂层的表面处理选项

我们提供三种标准表面处理:镀锌(8–12 µm厚度)、发黑(2–3 µm)和粉末喷涂(60–80 µm)。在任何表面处理之前,零件先在超声波清洗槽中脱脂,然后经过磷化转化层处理。这确保附着力符合ASTM D3359标准5B等级。对于户外机柜铰链,我们推荐锌镍镀层加三价铬钝化处理,可通过200小时中性盐雾试验无红锈。

每批出货前全检——而非仅抽检

每批产品均使用分辨率0.001 mm的三坐标测量机(CMM)进行检测。我们测量铰链销孔直径、安装孔间距以及弯曲后叶片的平面度。对于跳动量,我们使用精度0.01 mm的千分表在V形块上测量。完整尺寸报告在检测后24小时内通过邮件发送给您。如果任何零件超出公差,整批产品将被拒收,而非仅剔除不合格件。

可供您设计参考的铰链规格

参数数值
材料牌号SPCC、SECC、65Mn弹簧钢
材料厚度0.5 mm – 4.0 mm
硬度(热处理区域)38–42 HRC(SPCC),40–45 HRC(65Mn)
位置公差±0.05 mm
平面度跳动0.1 mm / 100 mm长度
表面光洁度Ra1.6 µm(冲压态),0.8 µm(研磨态)
毛刺高度(最大)0.05 mm
可选尺寸叶片长度20 mm – 300 mm
标准交期图纸确认后15天
起订量无最低限制(允许1件)

我们如何处理定制铰链和支架几何形状

如果您需要非标准销偏距的铰链或带有复杂百叶窗图案的支架,我们可以修改级进模,平摊模具费用为$600–$1,200,具体取决于工站数量。工具钢模具在10天内制造完成,样品零件随后3天内发货。我们将模具在仓库中保存5年,因此重复订购仅需原材料成本加冲压时间。首批5,000件后,模具归您所有。

该系列的最低订购量是多少?

没有最低起订量——我们可以冲压单个铰链用于原型验证,但单件成本在1,000件以上时显著下降。

可以定制安装叶片上的孔位图案吗?

可以,我们可以在图纸确认后3天内更改模具上的冲孔位置,适用于任何孔径、槽形或深度不超过10 mm的沉孔。

如何验证喷漆或电镀表面的质量?

我们使用涡流测厚仪测试涂层厚度,进行交叉划格附着力测试,并对每批成品进行72小时湿度测试(依据ASTM D1748标准)。

重复订单的典型交期是多久?

使用现有模具的重复订单,原材料和冲压需10天,表面处理另加3天,从下订单起总计13天。

出口运输、包装和托盘装载

零件采用双层瓦楞纸箱包装,内附泡沫隔层,防止海运过程中铰链相互接触。对于电镀零件,每个箱内额外放置防锈纸(VCI气相防锈纸)。一个标准20英尺集装箱可装载约40,000个小铰链(50 mm叶片)或8,000个大支架(200 mm叶片)。我们按FOB深圳或CIF至您指定港口发货——由您选择。所有出口货物均附带商业发票、装箱单和原产地证书。

在您最终确定设计之前,请查阅我们的CNC切削刀具选型指南,了解刀具磨损如何影响冲压边缘质量。另请参阅CNC加工公差指南,了解我们的±0.05 mm与行业标准冲压等级的比较。

发送您的图纸,12小时内获得正式报价

将您的STEP或PDF图纸发送至sc@bquq.com。我们的工程师将检查可成型性,如果您的载荷条件允许,建议更经济的材料,并返回包含模具费用和单价的报价。对于紧急项目,可通过WhatsApp联系我们+86 13713157787——在中国工作时间段内我们将在1小时内回复。这就是中国制造的精密加工,无起订量,交期15天。立即发送您的图纸。


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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