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BQUQ CNC加工自动车床15型带销槽夹头

这是一款CNC加工自动车床15型带销槽夹头,专为走心式及瑞士型车床设计,用于夹持棒料或预加工零件,确保无弯曲变形。销槽将夹头锁定在主轴鼻端,消除旋转滑动,并将换刀时间缩短15%。我们保证跳动精度为0.005 mm TIR,表面光洁度Ra 0.4,硬度60 HRC——全部来自我们位于中国东莞、拥有20年经验的精密制造工厂。 为什么销槽几何结构对扭矩传递至关重要 标准夹头仅依赖摩擦力。当主轴


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这是一款CNC加工自动车床15型带销槽夹头,专为走心式及瑞士型车床设计,用于夹持棒料或预加工零件,确保无弯曲变形。销槽将夹头锁定在主轴鼻端,消除旋转滑动,并将换刀时间缩短15%。我们保证跳动精度为0.005 mm TIR,表面光洁度Ra 0.4,硬度60 HRC——全部来自我们位于中国东莞、拥有20年经验的精密制造工厂。

为什么销槽几何结构对扭矩传递至关重要

标准夹头仅依赖摩擦力。当主轴快速减速或进给速率超过0.15 mm/转时,这种设计就会失效。我们的15型夹头采用机加工销槽,与主轴中的驱动销配合。这种机械锁定直接传递扭矩,因此您可以在8,000 RPM转速下运行,夹头不会偏移或划伤棒料。销槽切割精度为±0.01 mm,确保销接合时零背隙。

我们使用的材料及热处理工艺,确保60 HRC刃口保持性

我们选用20CrMnTi渗碳钢或9SiCr合金工具钢作为原材料。两者均在我们内部炉中进行真空淬火至58–62 HRC,然后进行深冷处理至−120°C。该步骤转化残余奥氏体,使您在黄铜和铝材上获得40,000次以上的磨损寿命,在不锈钢上获得25,000次寿命。夹持孔在热处理后进行内圆磨削,而非之前——因此最终公差基于硬化表面,而非软态毛坯。

跳动控制:我们如何在生产中保持0.005 mm TIR

跳动不是磨削中的偶然现象,而是孔径、销槽和后锥度误差的累积。我们在Studer S33上一次装夹同时磨削孔径和后锥度。然后,我们以同一基准线切割销槽。每个夹头均通过分辨率为0.001 mm的定制气动量仪夹具进行检测。如果鼻端TIR超过0.005 mm或20 mm深度处超过0.008 mm,则予以报废。我们不会发运任何未通过此测试的夹头。

规格表:15型带销槽夹头

参数数值
材料选项20CrMnTi / 9SiCr / 65Mn弹簧钢
夹持范围(棒料直径)Ø1.0 mm – Ø15.0 mm(以0.5 mm为步进)
夹头长度52 mm(相当于标准DIN 6499)
销槽宽度3.0 mm +0.02 / −0.00 mm
销槽深度2.5 mm ±0.05 mm
硬度(最终)58–62 HRC
跳动(鼻端TIR)≤0.005 mm
表面光洁度(孔径)Ra 0.4 µm(磨削并珩磨)
同心度(孔径至锥度)≤0.003 mm
交期标准尺寸7天,定制孔径15天
起订量无起订量——可订购1件进行测试

我们如何防止硬车削过程中销槽变形

大多数工厂在热处理前切割销槽,然后看着它变形0.02 mm。我们反其道而行之:先粗切销槽,然后硬化,最后在硬化状态下用线切割精加工销槽。线切割留下的重铸层仅为0.005 mm,我们通过二次磨料流去除。结果是销槽边缘在5,000次插入后仍保持锋利,而非500次。这就是一个夹头能用一班还是用一个季度的区别。

每次发货前均进行检验——不仅仅是样品报告

每个夹头都有序列号。我们记录三个数据点:孔径(在3个深度测量)、销槽宽度和TIR。您将收到一份包含这些数值的PDF检验报告,以及200倍放大下的销槽边缘显微照片。如果您订购50件,您将收到50份独立报告——而非一份批次报告。这就是我们的精密制造标准,也是我们夹头重复订购率达到92%的原因。

该夹头的最小起订量是多少?

无起订量——我们接受单件用于打样或更换,20件以上单价仅略有下降。

您能否定制销槽尺寸或夹持孔径?

可以,我们可以修改销槽宽度、销槽深度、孔径和总长度,以匹配您主轴现有的驱动销,定制几何结构交期为15天。

您如何保证每件产品0.005 mm的跳动精度?

我们采用100%检验政策,使用气动量仪并在最终报告中记录TIR值;任何超过0.005 mm的夹头将被报废,而非返工。

标准15型夹头的典型交期是多久?

标准尺寸从我们东莞工厂发货需7天,如果您在中国时间上午10点前确认,紧急故障可加急至3天。

如需更多关于刀具选择的工程背景,请阅读我们的CNC刀具选择指南。要验证我们如何在生产环境中实现这些公差,请查看CNC加工公差指南

请将您的图纸或当前夹头样品发送给我们,我们将在12小时内提供明确报价。发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。我们将回复价格、交期以及关于您销槽几何结构的DFM建议——绝无泛泛的销售话术。


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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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