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BQUQ CNC加工自动车床15型圆孔加长夹头

为什么需要这款加长夹头 这是一款CNC加工的自动车床15型圆孔加长夹头。它用于在走心式(瑞士型)自动车床上夹持长径比大的细长圆棒料。加长鼻端可深入狭窄的主轴间隙而不会弯曲变形。您将获得鼻端0.005 mm总指示跳动(TIR)、58 HRC芯部硬度以及5天生产交货期。这意味着更少的废品、更长的刀具寿命以及高速加工线上更少的停机时间。 加长鼻端如何解决深孔夹持问题 标准夹头夹持距离有限。当工件伸出长


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为什么需要这款加长夹头

这是一款CNC加工的自动车床15型圆孔加长夹头。它用于在走心式(瑞士型)自动车床上夹持长径比大的细长圆棒料。加长鼻端可深入狭窄的主轴间隙而不会弯曲变形。您将获得鼻端0.005 mm总指示跳动(TIR)、58 HRC芯部硬度以及5天生产交货期。这意味着更少的废品、更长的刀具寿命以及高速加工线上更少的停机时间。

加长鼻端如何解决深孔夹持问题

标准夹头夹持距离有限。当工件伸出长度达到40 mm或以上时,普通夹头会失去夹持刚性。这款15型圆孔加长夹头增加了25 mm的精密加工延伸段。内孔与锥度的同心度保持在0.005 mm以内。您可以一次装夹加工更长的零件,消除二次加工和重复装夹误差。兼容Hardinge螺纹和锥度几何结构,可直接安装到现有主轴上,无需任何修改。

我们使用的材料与热处理工艺

我们采用AISI 4140合金钢,预先处理至28-32 HRC以保证可加工性。经过CNC车削和铣削后,整体淬硬至56-58 HRC。然后进行两次回火以消除内应力。最终磨削使内孔达到H5公差等级,表面粗糙度Ra 0.4 µm。无涂层,无捷径。这种热处理循环确保夹头在100,000次以上循环后仍能保持形状。

每批出货前的检验流程

每一只夹头(而非抽样批次)都经过4步检查。第1步:使用气动量仪(分辨率0.001 mm)验证内孔直径。第2步:使用0.5 µm千分表在鼻端和距鼻端25 mm处测量TIR。第3步:使用洛氏C硬度计在锥面进行硬度测试。第4步:在10倍放大下目视检查边缘毛刺或磨削烧伤。任何参数不合格,夹头即报废。我们不做返工。每批出货均附带检测报告。

内孔尺寸、公差与硬度数据

以下是CNC加工自动车床15型圆孔加长夹头的标准规格。可提供定制内孔直径,无需额外刀具费用。

规格数值
夹头类型自动车床15型(Hardinge 15式锥度)
鼻端延伸长度25 mm(标准),可定制至40 mm
内孔直径范围Ø1.0 mm 至 Ø15.0 mm
内孔公差H5(Ø3-6 mm为+0.008 / 0 mm)
总指示跳动(TIR)鼻端最大0.005 mm
表面粗糙度(内孔)Ra 0.4 µm
硬度(芯部)56-58 HRC
材料AISI 4140(相当于42CrMo4)
同心度(锥度至内孔)0.003 mm
交货期5个工作日(标准尺寸),10天(定制内孔)
最小起订量无最小起订量——可订购1件或1000件
检测报告每笔订单附带(三坐标测量机+气动量仪)

为什么我们的热处理优于廉价替代品

低成本夹头仅表面淬硬至0.3 mm深度。软芯部在高进给率下会弯曲变形。我们的4140钢整体淬硬至58 HRC,硬度从表面到中心均匀一致。这提供了抗回弹能力和整个夹持范围内一致的夹持力。对于不锈钢或钛合金的深切削,这就是保持公差与报废零件之间的区别。我们还会磨削内孔后方的退刀槽,以防止应力集中裂纹。

单件成本与廉价进口件的对比

一只15美元的夹头在5,000次循环后失效,比一只45美元但可运行50,000次循环的夹头成本更高。计算您的真实成本:机床费率(80-120美元/小时)、操作员时间、废品损失。我们的夹头在正常冷却液条件下(浸没式或油雾式)可保持0.005 mm TIR至少50,000次循环。我们在德国和日本的客户在Citizen和Star机床上24/7运行这些夹头。他们每2-3个月重新订购,因为夹头的寿命超过了他们的刀具刀片。

常见问题解答

最小起订量(MOQ)是多少?

没有最小起订量——我们以与批量订单相同的质量标准发货单件产品。

能否为我的特定零件定制内孔直径?

可以,我们可以在1.0 mm至15.0 mm之间以0.1 mm为增量加工任何直径,不收取额外刀具费用,仅增加5天交货期。

你们如何确保每只夹头的质量控制?

我们使用气动量仪进行100%全检(内孔尺寸)、千分表检测TIR、洛氏硬度计检测硬度,并随每批出货出具认证报告。

标准夹头的典型交货期是多久?

标准尺寸从我们东莞工厂发货需5个工作日,定制内孔尺寸需10个工作日。

为您的机床选择合适的夹头

下单前,请确认您的主轴锥度规格。自动车床15型匹配Hardinge 15式接收器,常见于较旧的BNF、Tsugami和Star机型。如果您不确定主轴接口,请参阅我们的CNC刀具选择指南,了解锥度类型和夹持力计算的详细说明。另请参阅我们的CNC加工公差指南,将内孔公差与零件的实际需求匹配——并非每个工件都需要H5公差。

这款夹头在我们位于中国东莞、拥有20年历史的精密制造工厂生产。我们运营32台CNC车床和12台磨床,全部配备热补偿系统。我们的质量体系通过ISO 9001:2015认证。每笔订单(包括单件订单)均执行相同的检验流程。

准备好降低跳动和废品率了吗?发送您的图纸,或仅提供内孔尺寸和机床型号。我们将在12小时内确认适配性并发送正式报价。

邮箱:sc@bquq.com
WhatsApp:+86 13713157787
立即发送您的图纸——无最小起订量,无最低订单金额。


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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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