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BQUQ CNC加工自动车床30型夹头(圆棒料)

这是一款CNC加工自动车床30型夹头(圆棒料),专为自动车床和走心式机床设计,用于送进圆棒料。我们保证跳动精度为0.005 mm TIR,硬度为HRC 58–62,内孔表面粗糙度为Ra 0.4 µm。标准尺寸的交货期为7–10天,从东莞工厂发货,并提供12小时内的确认报价。 为什么30型夹头在圆棒料加工中优于分体式钢衬套 标准分体式钢衬套在高进给速率下会变形,导致棒料颤动和直径漂移。我们的30型


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这是一款CNC加工自动车床30型夹头(圆棒料),专为自动车床和走心式机床设计,用于送进圆棒料。我们保证跳动精度为0.005 mm TIR,硬度为HRC 58–62,内孔表面粗糙度为Ra 0.4 µm。标准尺寸的交货期为7–10天,从东莞工厂发货,并提供12小时内的确认报价。

为什么30型夹头在圆棒料加工中优于分体式钢衬套

标准分体式钢衬套在高进给速率下会变形,导致棒料颤动和直径漂移。我们的30型夹头采用全磨削、淬硬的内孔,跳动精度为0.005 mm TIR,可将圆棒料保持在主轴轴线的同心位置。这意味着即使在6,000 RPM转速下,您的车削零件直径也能保持在±0.01 mm以内。夹头的30度锥角与机床的拉管匹配,提供可重复的夹紧力,无需过度拧紧。

我们内部加工的内孔尺寸、硬度和表面粗糙度

我们加工的内孔范围为3 mm至42 mm,以0.5 mm为增量。每个内孔均经过珩磨至Ra 0.4 µm,然后整体淬硬至HRC 58–62。这种硬度可抵抗303不锈钢或12L14易切削钢等磨蚀性棒料的磨损。外锥角磨削至30° ± 0.05°,背面平面度在0.003 mm以内。我们还提供氮化版本(HV 900),适用于超过10,000件零件的批量生产。

材料SAE 8620、20CrMnTi或AISI 4140(渗碳处理)
硬度HRC 58–62(芯部HRC 35–40)
内孔直径范围3.0 mm – 42.0 mm(0.5 mm增量)
跳动(TIR)≤ 0.005 mm(内孔和锥面)
表面粗糙度内孔Ra 0.4 µm,锥面Ra 0.8 µm
锥角30° ± 0.05°
交货期7–10天(标准),3天(加急)
起订量无起订量——单件可接受
检测100%三坐标测量 + 气动量仪检测内孔
产地中国制造,东莞工厂(ISO 9001:2015)

热处理工艺:渗碳层深度0.8 mm,无脱碳层

我们在920°C的受控气氛炉中对夹头进行渗碳处理,然后淬火和回火,以获得0.8–1.0 mm的渗碳层深度。这提供了坚硬的耐磨表面和坚韧的芯部,可抵抗重载棒料拉拔时的断裂。热处理后我们磨削掉0.2 mm以去除任何脱碳层,因此最终的HRC 58–62是在实际工作表面上测量的,而非软表层。

每次发货前的检测:三坐标测量仪和气动量仪

每只夹头都经过3点检查。首先,三坐标测量仪测量锥角、背面平面度和同心度。其次,气动量仪验证内孔直径至±0.002 mm。第三,我们在实际自动车床上使用20 mm圆棒料测试夹头,确认在2,000 N夹紧力下无滑动。每次发货均附带PDF检测报告,包括表面粗糙度曲线。

如何将夹头与您的圆棒料公差匹配

您的棒料公差为h9或h11。夹头内孔必须比棒料公称直径大0.03–0.05 mm。例如,20 mm h9棒料(0至−0.052 mm)需要20.03 mm的内孔。如果您订购20.00 mm内孔,夹头将仅夹持高点,导致振动。请将您棒料的实际公差发送给我们,我们将加工匹配的内孔——这是标准做法,而非定制要求。

对比:磨削内孔与铰削内孔在高进给速度下的表现

铰削内孔具有螺旋刀具痕迹,会转移到棒料表面,导致微焊接和颤动。我们的磨削内孔具有交叉网纹图案,可保留薄油膜,将摩擦降低30%。在Citizen L20上进行的500件零件测试中,磨削夹头将直径漂移保持在±0.008 mm,而铰削夹头在200件后漂移至±0.02 mm。如果您运行速度超过4,000 RPM,请选择磨削内孔——这是我们所有30型夹头的标准配置。

此夹头的最小起订量是多少?

无起订量——您可以订购单件CNC加工自动车床30型夹头(圆棒料),我们将以与批量订单相同的检测和文档标准处理。

您能否为非标准棒料直径或公差定制内孔?

可以,我们加工3 mm至42 mm之间的任何内孔,以0.1 mm为增量,如果您的棒料需要,我们可以将内孔公差控制在±0.003 mm以内。

您如何确保夹头满足0.005 mm跳动规格?

我们使用分辨率为0.001 mm的三爪三坐标测量仪测量锥面和内孔的同心度,任何TIR超过0.004 mm的夹头在发货前都会被拒收。

加急订单的交货期是多久?

标准交货期为7–10天,但额外支付15%加急费后,我们可以使用专用磨削单元在3天内发货。

在12小时内获取含棒料规格的确认报价

请将您的图纸、棒料直径、公差和材料发送给我们。我们将在12小时内回复固定价格、交货期和样品检测计划。作为精密制造领域的直接来源——无贸易公司加价。发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。如果您仍在选择刀具,请阅读我们的CNC刀具选择指南。有关一般零件公差,请参阅CNC加工公差指南。我们从东莞全球发货,中国制造,无起订量。


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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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