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BQUQ CNC加工自动车床52型六角棒料夹头

这是一款CNC加工的自动车床52型夹头,专门针对六角棒料夹持而磨制。它夹持六角工件时,保证跳动量为0.005 mm TIR,硬度为58 HRC,为您的高速车削提供可重复的夹紧力。标准尺寸7天发货,定制内孔型面12天发货,直接从我们的东莞工厂发出。 为什么六角棒料需要专用夹头型面 圆形夹头会压坏六角棒料。六角棒料的六个平面无法与圆形内孔均匀接触,导致扭矩传递不良,重切削时棒料会打滑。我们的52型夹


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这是一款CNC加工的自动车床52型夹头,专门针对六角棒料夹持而磨制。它夹持六角工件时,保证跳动量为0.005 mm TIR,硬度为58 HRC,为您的高速车削提供可重复的夹紧力。标准尺寸7天发货,定制内孔型面12天发货,直接从我们的东莞工厂发出。

为什么六角棒料需要专用夹头型面

圆形夹头会压坏六角棒料。六角棒料的六个平面无法与圆形内孔均匀接触,导致扭矩传递不良,重切削时棒料会打滑。我们的52型夹头采用线切割后磨削加工,形成真正的六角内孔型面,与棒料几何形状面面贴合。这样每个平面都能实现100%线接触,消除振动,并减少啄钻时棒料的后退。

从源头消除跳动的磨削工艺

我们不会只车削内孔就了事。六角型腔首先线切割至0.05 mm余量,然后淬硬,最后在坐标磨床上用CBN砂轮精磨。磨削后,我们将每个夹头安装在测试心轴上,在内孔的前、中、后三个位置测量跳动。任何位置超过0.005 mm TIR,该夹头即被判定为不合格,而非返修。

我们用于达到58 HRC的材料与热处理工艺

我们采用AISI 4140铬钼钢加工52型夹头,预硬至28 HRC进行粗加工。六角型面切割完成后,进行真空淬硬至58-60 HRC,然后深冷处理至-120°C。这一循环可转变残余奥氏体,使内孔在10万次循环后仍能保持几何精度,而不仅仅是前1000次。对于不锈钢或铝质六角棒料,我们提供表面层硬度为65 HRC的渗氮版本。

后锥度几何设计:为什么您的棒料不会卡死

我们制造的每个夹头都在整个内孔长度上包含0.02 mm的后锥度。这意味着夹持直径在后端略大于前端。当您送进六角棒料时,棒料可自由滑入,不会刮擦内孔壁。当拉管拉动夹头闭合时,前端先夹紧,然后是后端,从而锁定棒料而不会楔死。没有后锥度会导致磨损和棒料卡死——我们不会出货这样的产品。

每次发货前的检验:三道工序QC

每个夹头都经过三道检验。首先,使用三坐标测量机扫描六角内孔型面,与您的图纸或我们的标准52型数据进行比对。其次,使用洛氏C压头对内孔表面进行硬度测试——低于57 HRC即判定不合格。第三,功能测试:我们将一根实际的20 mm六角棒料夹入夹头,在300 RPM转速下用0.001 mm千分表测量跳动。每笔订单都会附上一份签字的QC报告。

交货期与最小起订量:小批量就是我们的标准

我们运营的是一家拥有20台CNC设备的加工厂,而非大规模生产线。标准52型4140材质六角内孔夹头在7个工作日内完成。定制内孔尺寸、非标六角尺寸或特殊涂层需增加3-5天。我们没有最小起订量。订购一件原型或500件——单价会变化,但工程关注度不会。

规格参数数值
材料(标准)AISI 4140铬钼钢
材料(可选)17-4 PH不锈钢、渗氮H13
硬度58-60 HRC(表面),65 HRC(渗氮)
内孔型面六角形,线切割+磨削
可加工六角尺寸对边4 mm至32 mm
跳动(TIR)0.005 mm
内孔表面粗糙度Ra 0.4 µm
后锥度全内孔长度0.02 mm
交货期(标准)7个工作日
最小起订量无,单件可订

如何将此夹头与您的自动车床主轴匹配

52型指的是夹头的外径和锥角,而非棒料尺寸。下单前,请测量您的主轴鼻端锥度和拉管螺纹螺距。我们备有三种锥角:5°、10°和15°。如果您将主轴图纸发给我们,我们将精确匹配锥度和螺纹。如果搞错,夹头将无法正确就位,在4000 RPM时会出现振颤。我们见过这种情况。我们不会让您重蹈覆辙。

当六角棒料尺寸变化时:重新磨削服务

如果您的生产从12 mm六角切换到14 mm六角,无需购买新夹头。将旧夹头寄回,我们以新夹头价格的40%为您重新磨削内孔至新尺寸。由于夹头本体和锥度保持不变,这只需两天即可完成。此服务仅适用于我们自己的BQUQ夹头——我们无法重新磨削竞争对手的产品,因为我们不了解其材料历史。

这种52型夹头的最小起订量是多少?

无最小起订量——我们接受单件订购用于打样,20件起享受批量折扣。

你们能否加工不在标准范围内的定制六角尺寸?

可以,我们可加工对边4 mm至32 mm的任何六角尺寸,包括公制或英制尺寸,首次定制订单不收取刀具费用。

你们如何保证六角内孔0.005 mm的跳动?

我们在坐标磨床上磨削六角内孔,并使用0.001 mm千分表在测试心轴上逐一检验每个夹头,任何超过0.005 mm TIR的零件均被判定为不合格。

如果需要定制锥角,实际交货期是多久?

标准锥度7天发货;定制锥角需增加3天,因为我们需要制作新的定位夹具,总计10个工作日。

12小时内凭您的图纸获得确定报价

请将您的六角棒料尺寸、主轴锥角和数量发送给我们。我们的工程师将回复确定的价格、确认的交货期以及对您内孔型面的DFM检查。如果您的图纸与后锥度或夹持长度存在潜在冲突,我们会在您付款前指出。

邮箱:sc@bquq.com
WhatsApp:+86 13713157787

在您最终确定切削参数之前,请查阅我们的CNC切削刀具选型指南,将您的刀片牌号与六角棒料材质相匹配。如果您正在设计新的主轴接口,我们的CNC加工公差指南解释了0.005 mm TIR在生产中如何实现和验证。

这款CNC加工自动车床52型六角棒料夹头是精密制造的正确典范,中国制造,无最小起订量政策。自2004年以来,我们一直从事夹头加工,我们深知4000 RPM主轴对磨削不良的内孔会造成什么后果。不要拿廉价进口产品冒险。立即获取报价。


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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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