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BQUQ数控加工自动车床46型六角内孔加长夹头

这是一款专为自动车床46型主轴设计的CNC夹头卡盘,通过加长鼻端精确夹持六角棒料。我们保证跳动精度为0.008 mm TIR(总指示读数),内孔公差为+0.005 / -0.000 mm,夹持表面粗糙度Ra 0.4。标准尺寸交货期为7个工作日,定制六角内孔为12天——无起订量,直接从BQUQ位于中国东莞的工厂发货。 加长鼻端对六角棒料的重要性 标准夹头与主轴鼻端齐平,迫使您在靠近卡盘面处


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这是一款专为自动车床46型主轴设计的CNC夹头卡盘,通过加长鼻端精确夹持六角棒料。我们保证跳动精度为0.008 mm TIR(总指示读数),内孔公差为+0.005 / -0.000 mm,夹持表面粗糙度Ra 0.4。标准尺寸交货期为7个工作日,定制六角内孔为12天——无起订量,直接从BQUQ位于中国东莞的工厂发货。

加长鼻端对六角棒料的重要性

标准夹头与主轴鼻端齐平,迫使您在靠近卡盘面处切削六角棒料。这限制了刀具间隙并存在振刀风险。我们的加长夹头在主轴端面之外增加25 mm的延伸距离,让您无需重新装夹即可加工更长的六角段。这可将阀杆、六角螺母等多工序零件的装夹时间减少约30%。加长内孔经过整体淬硬并磨削,在径向载荷下不会变形。

我们使用的材料与热处理工艺

夹头本体采用20CrMnTi渗碳钢制造。渗碳深度为0.8–1.0 mm,然后淬硬至58–60 HRC。夹持表面在热处理后进行磨削,而非之前——这能去除脱碳层并保持六角尖角锋利。对于不锈钢难加工工况,我们提供9Cr18MoV材质变体,硬度为54–56 HRC,具有更好的耐腐蚀性。每只夹头均在-80°C下进行2小时深冷处理,以稳定微观组织,防止高速自动车床循环中发生尺寸漂移。

六角内孔几何:尖角无干涉

您的六角棒料需要精确的60°内角。我们将每个角加工至最大0.1 mm的圆角半径,既支撑棒料又不会产生应力集中。内孔在鼻端最后5 mm处让刀0.02 mm,以减少棒料送进时的卡滞。我们使用20倍放大率的轮廓投影仪检查每个角度。如果您加工1/4英寸六角、3/8英寸六角或公制等效尺寸(S6、S8、S10),我们将对边尺寸公差控制在ISO h8范围内。对于定制六角尺寸,我们在最终磨削前使用线切割加工内孔——这不仅在表面,而且在侧面也能获得镜面光洁度。

跳动控制:我们如何保证0.008 mm TIR

跳动来自两个方面:夹头自身的内孔及其锥度座。我们在与内孔相同的装夹设置中磨削46型锥度(10°包含角),使用机床上的单点金刚石修整器。这消除了工序间的分度误差。磨削后,我们将夹头装入测试主轴,在三个点测量TIR:鼻端、内孔中部和后部锥度。只有TIR低于0.008 mm的夹头才能通过。这比市面上加长夹头典型的0.015 mm严格两倍。

每次发货前的检验

每只夹头附带一份CMM(三坐标测量机)报告,包含12个测量点:六角对边、锥度角、内孔跳动和表面粗糙度。我们还进行实际测试——装入100 mm长的六角棒料,在2 N·m扭矩下检查其旋转情况。报告以PDF格式随货附送,同时我们存档3年。如果您需要PPAP Level 3或材料证书(EN 10204 3.1),我们免费提供。

与自动车床46型主轴的兼容性

此夹头适配标准46型主轴鼻端——常见于采用10°锥度安装的Tornos、Citizen和Star走心式车床。外径为46.0 mm,长度为80 mm(标准)或105 mm(加长)。后部螺纹为M16x1.5,用于拉管连接。我们备有12种标准六角尺寸的毛坯:S4、S5、S6、S7、S8、S9、S10、S11、S12、S14、S16、S17。如果您的主轴使用不同螺纹,我们可在厂内修改后部螺纹,收取少量设置费。请参阅我们的CNC刀具选择指南,将夹头材质与您的工件硬度相匹配。

价格、起订量和交货期——直接明了

无起订量。您可以订购一件用于打样。标准六角尺寸1–10件起价为每件$28,100件以上降至$19。定制六角内孔(非标准对边尺寸)增加$12线切割费用。交货期:标准尺寸7个工作日,定制内孔12个工作日。紧急订单可在3天内加急交付标准尺寸,需加收30%加急费。我们从中国东莞通过DHL或FedEx发货,包装采用泡沫内衬塑料管以防止边缘损伤。

规格数值
本体材料20CrMnTi(渗碳)或9Cr18MoV
硬度58–60 HRC(20CrMnTi)/ 54–56 HRC(9Cr18MoV)
渗碳深度0.8–1.0 mm
六角内孔公差ISO h8(例如:S8 = 8.000/7.964 mm)
跳动(TIR)≤ 0.008 mm
表面粗糙度(内孔)Ra 0.4 µm
锥度角10°包含角,一次装夹磨削
外径46.0 mm(+0.000/-0.010 mm)
长度(标准/加长)80 mm / 105 mm
后部螺纹M16x1.5(可定制)
标准六角尺寸S4至S17(12种)
交货期7天(标准),12天(定制)
起订量1件(无起订量)

常见问题

此夹头的最小起订量是多少?

无起订量——您可以订购一件用于测试,即使1件我们也保持相同的单价。

你们能制作标准清单之外的定制六角内孔尺寸吗?

可以,我们使用线切割加工S3至S20的任何六角尺寸,交货期从7个工作日延长至12个工作日。

发货前你们如何验证跳动?

我们在测试主轴上使用0.001 mm千分表在三个点(鼻端、内孔中部、后部锥度)测量TIR,只有低于0.008 mm的夹头才能通过。

标准46型加长夹头的典型交货期是多久?

任何标准六角尺寸均为7个工作日,从我们的东莞工厂通过DHL或FedEx发货。

如果您需要一款能无振动夹持六角棒料且无需重新装夹的夹头,请发送您的图纸或六角尺寸。我们将在12小时内回复含CMM检验报告模板和运费的确切报价。发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。如需了解更多如何选择合适刀柄几何结构的信息,请阅读我们的CNC刀具选择指南;要了解零件设计中的严格公差,请查看CNC加工公差指南

BQUQ是一家精密制造公司,拥有20年CNC加工、冲压、弹簧和散热器经验,总部位于中国东莞。所有夹头均为100%中国制造,并在包装前经过检验。


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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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