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BQUQ CNC加工ER20弹簧夹头套装 多种规格 精密铣削

这款ER20夹头套装在硬性数据上的表现 这是一套完整的CNC加工ER20弹簧夹头,包含多种规格(1 mm至20 mm,以0.5 mm和1 mm为步进),适用于CNC铣削和车削中心。每个夹头夹持刀具柄部时,在距鼻端3×D处保证跳动≤0.005 mm,开缝本体经淬硬至HRC 58-60,可承受反复夹紧循环。我们东莞工厂的标准套装交货期为7天,由于我们内部加工,您无需为品牌溢价即可获得这种精度。


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这款ER20夹头套装在硬性数据上的表现

这是一套完整的CNC加工ER20弹簧夹头,包含多种规格(1 mm至20 mm,以0.5 mm和1 mm为步进),适用于CNC铣削和车削中心。每个夹头夹持刀具柄部时,在距鼻端3×D处保证跳动≤0.005 mm,开缝本体经淬硬至HRC 58-60,可承受反复夹紧循环。我们东莞工厂的标准套装交货期为7天,由于我们内部加工,您无需为品牌溢价即可获得这种精度。

ER20夹头如何无跳动夹持刀具

ER20系统采用锥形外锥(8°夹角),当螺母拧紧时径向压缩。我们的夹头在热处理后进行磨削,而非热处理前,这消除了变形并保持夹持孔与锥体同心。结果是:刀具更换重复精度为±0.002 mm,因此您无需在每次更换后重新校正刀具。槽口采用线切割而非铣削,以避免毛刺导致刀具偏离中心。

我们用于20,000次以上循环的材料和热处理工艺

我们采用65Mn弹簧钢或9Cr18不锈钢(适用于冷却液密集型作业),而非廉价45#钢。CNC加工孔和锥体后,我们进行真空淬硬至HRC 58-60,然后在-80°C下深冷处理2小时以稳定组织。这防止夹头在长时间重铣削后松弛夹持力。每个夹头随后在CNC内圆磨床上进行内孔磨削,内孔表面粗糙度达Ra 0.4 µm,锥体表面粗糙度达Ra 0.2 µm——确保在ER夹头螺母中平稳就位。

一盒中包含的多种规格(及适用刀具)

我们的标准套装包含24件:1、1.5、2、2.5、3、3.5、4、4.5、5、5.5、6、6.5、7、7.5、8、9、10、11、12、13、14、15、16、18、20 mm。每个夹头在平面上激光标记尺寸和批次代码——当您面对主轴时无需猜测手中是哪个规格。我们还可按要求定制孔径(例如,5.8 mm用于铰刀,6.35 mm用于1/4英寸),公差和硬度相同。所有夹头在装入带尺寸图表的吹塑盒前均经过清洁和防锈油处理。

规格参数数值
夹头类型ER20弹簧夹头,符合DIN 6499标准
包含规格1–20 mm(24件,多种规格)
材料65Mn弹簧钢或9Cr18不锈钢(可选)
硬度HRC 58-60(真空热处理后)
跳动(TIR)距夹头鼻端3×D处≤0.005 mm
内孔表面粗糙度Ra 0.4 µm(内圆磨削)
锥体表面粗糙度Ra 0.2 µm(外圆磨削)
每个夹头夹持范围1 mm(例如,6 mm夹头夹持6.0–7.0 mm)
交货期标准套装7天,定制规格15天
起订量无起订量——可订购1套或1,000件

每次发货前全检——而非抽检

您套装中的每个夹头均单独检查,而非抽样。我们使用0.001 mm千分表在定制心轴上测量跳动,通过蓝油接触检查法测试锥体与母体ER20夹头的贴合度,并在鼻端面使用洛氏硬度计验证硬度。我们还使用气动量仪(分辨率0.0005 mm)对孔径进行100%尺寸检测。任何夹头不合格即报废,不会进入您的包装盒。每份订单均免费附送带批次编号的签名检验报告。

为什么这套装优于单独购买夹头(或廉价进口品)

从单一来源购买整套夹头意味着所有规格的锥角和孔径同心度一致——来自不同供应商的混搭套装常因锥体不匹配导致跳动激增。我们的夹头在同一台CNC车床和同一台内圆磨床上于同一批次加工,因此锥角在夹头间保持在±0.5角分以内。这种一致性让您无需重新测量即可信赖刀具更换。此外,由于我们是东莞的精密制造工厂(20年经验,CNC加工+冲压+弹簧+散热器),您可以将夹头与其他零件合并装运以节省运费。

如何为您的刀具选择正确的ER20夹头规格

ER20夹头具有1 mm夹持范围。对于6 mm立铣刀,使用6 mm夹头(夹持6.0–7.0 mm)。对于6.35 mm(1/4英寸)柄部,需要6.5 mm夹头(夹持6.5–7.5 mm)——切勿将6 mm夹头强行套在6.35 mm柄部上,因为过度弹性变形会导致永久变形和跳动。我们的套装涵盖1–20 mm范围内的所有标准公制和英制规格,因此可满足大多数CNC铣削作业。如需特殊规格,我们可在15天内加工,10件以上无额外设置费。如需更深入指导如何将夹头与切削刀具匹配,请参阅我们的CNC切削刀具选择指南——其中详细介绍了柄部公差和夹头夹持力。

这款ER20弹簧夹头套装的起订量是多少?

无起订量——您可以订购一套24件或500件,单价保持不变,因为我们在CNC车床上运行这些产品,换型快速。

能否定制孔径或特殊材料?

可以,我们加工定制孔径(如5.8 mm或12.7 mm),并提供9Cr18不锈钢以增强耐腐蚀性,同样保证HRC 58-60硬度和0.005 mm跳动。

整套产品如何保证质量?

我们对100%夹头进行检验——心轴跳动、蓝油锥体接触和气动量仪孔径检测——并随货附送每件产品的检验报告。

该产品的交货期是多久?

标准套装7天内发货;定制规格或不锈钢版本需15天,我们可从东莞通过DHL或FedEx快递发货。

12小时内获取固定报价——标准套装无需图纸

对于我们的标准ER20夹头套装,您无需图纸——只需告知规格和数量。如需定制孔径或材料,发送简单草图或说明即可。我们将在12小时内回复固定价格、交货期和运费(中国工作时间通常更快)。发送邮件至sc@bquq.com或WhatsApp +86 13713157787。如果您同时在新零件项目上,请一并发送图纸获取CNC加工报价——我们将合并运输。在最终确定公差前,请查阅我们的CNC加工公差指南,了解在不增加成本的情况下可实现的范围。我们所有夹头均为中国制造,从原材料到最终检验全程可追溯。


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参数

参数能力范围
材料AL6061/7075, SUS303/304/316, 45#钢, T2铜, H59黄铜, POM, PEEK, 尼龙
公差±0.005mm标准,±0.003mm可按需定制
设备3/4/5轴CNC, 车铣复合, 瑞士型车床
表面处理阳极氧化, 镀镍, 镀锌, 钝化, 喷砂, 抛光
尺寸范围最大400 x 300 x 200 mm
打样72小时,样品无最小起订量
检测每批次提供完整报告,可按需提供CMM数据

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