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BQUQ CNC加工螺纹夹头体主轴安装座 – 精密ER夹头

这是一款CNC加工螺纹夹头体,带主轴安装座,用于安装ER夹头,适用于高速刀具及工件夹持。我们保证鼻端跳动≤0.005 mm TIR,硬化钢体硬度58–62 HRC,锥面及内孔表面粗糙度Ra 0.4 µm。标准尺寸交期10–15个工作日,东莞工厂12小时内提供确认报价。 螺纹主轴安装座如何消除适配器堆叠误差 大多数夹头故障源于主轴、适配器和夹头之间的连接松动。我们的螺纹安装座直接一体加工在夹头体上


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这是一款CNC加工螺纹夹头体,带主轴安装座,用于安装ER夹头,适用于高速刀具及工件夹持。我们保证鼻端跳动≤0.005 mm TIR,硬化钢体硬度58–62 HRC,锥面及内孔表面粗糙度Ra 0.4 µm。标准尺寸交期10–15个工作日,东莞工厂12小时内提供确认报价。

螺纹主轴安装座如何消除适配器堆叠误差

大多数夹头故障源于主轴、适配器和夹头之间的连接松动。我们的螺纹安装座直接一体加工在夹头体上——无压配套筒,无二次紧固件。螺纹按2A/2B级公差切削,与主轴肩部实现全金属接触。这消除了导致刀具颤振和不均匀磨损的径向间隙。对于CAT40或BT40主轴,将夹头拧紧到鼻端螺纹上,即可获得与整体式刀柄相同的刚性。

该夹头体的ER夹头收缩范围与夹持力

内锥角磨削至每侧8°,完全符合ER夹头标准。拧紧夹头螺母时,夹头根据尺寸压缩0.5 mm至1.0 mm。这使20 mm刀柄获得20–35 kN的夹持力,足以在15,000 RPM下夹持硬质合金立铣刀而不脱落。体外径螺纹螺距为M18 x 1.5或定制,螺母座经硬化处理,防止反复拧紧后发生磨损。

夹头体所用材料与热处理工艺

我们采用8620或4140合金钢,绝不用易切削低碳钢。毛坯经粗车后,进行渗碳或整体淬硬至58–62 HRC。硬化后,在一次装夹中同时磨削锥面、内孔和螺纹,确保同心度小于0.003 mm。对于腐蚀性或高湿度车间,我们提供发黑处理或化学镀镍(镀层后Ra 0.8 µm)。安装面经研磨,平面度达0.002 mm,防止主轴倾斜。

保持0.005 mm跳动的磨削顺序

跳动不是单一工序——而是每一步的结果。我们首先磨削中心孔,然后磨外径,再磨锥面。螺纹由CNC车床动力刀具切削,而非板牙。热处理后,使用配套心轴同时精磨锥面和内孔。每件夹头体均在三坐标测量机(CMM)上检测,分辨率0.001 mm。实测跳动值打印并随零件发货。

锥面与内孔的表面粗糙度及几何检测

内锥面必须光滑——任何刀痕都会传递到夹头,再传递到刀柄。我们将锥面粗糙度控制在Ra 0.4 µm,螺母螺纹Ra 0.8 µm。锥角采用精密气动量仪验证,而非简单的通止规。内孔经珩磨,全长直线度0.002 mm。我们还用螺纹千分尺检测螺纹中径,确保螺母旋转顺畅无摆动。

每次发货前检测——您将收到的内容

每件CNC加工螺纹夹头体均100%全检,而非抽检。您将收到一份尺寸报告,列明:外径、螺纹螺距、锥角、内孔直径、三点跳动值及硬度读数。报告加盖我们的QC编号,可追溯至批次。如需材料证书(EN 10204 3.1),我们免费提供。发货前我们还会拍摄零件照片,让您清楚看到箱内物品。

海运或空运的包装与防锈保护

每件夹头体先用VCI(气相防锈)纸包裹,再装入密封塑料袋,最后放入泡沫内衬纸箱。海运时,我们额外添加干燥剂包和第二层VCI薄膜。这可在热带潮湿环境下防锈长达6个月。外箱标注零件号、数量和您的采购订单号。如订购整套组件,我们也可将夹头和螺母配套包装。

规格参数数值
材料8620或4140合金钢(或17-4PH不锈钢)
硬度58–62 HRC(渗碳或整体淬硬)
跳动(鼻端TIR)≤0.005 mm
锥角每侧8°(ER标准)
表面粗糙度(锥面/内孔)Ra 0.4 µm / Ra 0.8 µm
螺纹类型M18×1.5、M25×1.5或定制(2A/2B级)
可选尺寸ER11、ER16、ER20、ER25、ER32、ER40
公差关键直径±0.005 mm
交期10–15个工作日(标准)
起订量无起订量——接受1件

该CNC夹头体的起订量是多少?

无起订量——我们接受单件用于打样或替换订单,批量价格从10件起。

能否为特殊主轴定制螺纹尺寸或锥角?

可以,我们可加工您指定的任何螺纹螺距和锥角——只需发送主轴图纸或样品,我们的工程师将在24小时内确认。

你们如何保证跳动和同心度?

我们对每件产品使用CMM和气动量仪检测,并附上实测值的书面报告——无抽检,无平均值。

定制订单的典型交期是多久?

标准尺寸10–15个工作日内发货;全定制设计需额外3–5天用于刀具路径和夹具设置。

发送您的图纸或主轴安装螺纹草图,12小时内获得确认报价。我们的工程师将审核材料、公差和表面处理,然后给出无起订量的单价。如需更快响应,请附上STEP或IGES文件。邮件sc@bquq.com或WhatsApp +86 13713157787。我们是中国东莞的精密制造工厂,拥有20年CNC加工经验。如果您正在比较刀柄,请阅读我们的CNC刀具选择指南,将夹头类型与主轴转速匹配。在图纸上设定公差之前,请查阅我们的CNC加工公差指南,了解在此硬度水平下何种公差更具经济性。


相关产品

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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