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BQUQ CNC加工快换夹头刀柄 | 精密刀具系统

这是一套专为高速加工中心设计的CNC加工快换夹头刀柄系统,换刀时间可控制在10秒以内。刀柄本体采用42CrMo合金钢加工,淬硬至HRC 58-62,并研磨至同心度0.005 mm TIR。夹持力可重复性达45–60 N·m,表面粗糙度Ra 0.4,东莞工厂标准交期为7个工作日。 这款刀柄与标准ER夹头刀柄有何不同 标准ER夹头刀柄需要松开螺母、取出夹头、装入新刀具、重新拧紧——每次换刀需2–3分


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这是一套专为高速加工中心设计的CNC加工快换夹头刀柄系统,换刀时间可控制在10秒以内。刀柄本体采用42CrMo合金钢加工,淬硬至HRC 58-62,并研磨至同心度0.005 mm TIR。夹持力可重复性达45–60 N·m,表面粗糙度Ra 0.4,东莞工厂标准交期为7个工作日。

这款刀柄与标准ER夹头刀柄有何不同

标准ER夹头刀柄需要松开螺母、取出夹头、装入新刀具、重新拧紧——每次换刀需2–3分钟。而这款快换版本采用弹簧加载释放环和精密研磨锥形座。您只需拉回释放环、更换刀具、松开——夹头即锁定到位,每次轴向位置完全一致。换刀时间缩短至10秒以内,锥形座研磨精度达0.003 mm,确保重复换刀时零径向偏移。

我们使用的材料与热处理工艺

刀柄本体采用42CrMo(相当于AISI 4140),因其高疲劳强度和优异的加工性能而被选用。我们先将毛坯预硬至HRC 28-32,进行CNC加工成型,再经真空热处理至HRC 58-62。夹头螺母采用20CrMnTi,渗碳层深度0.8 mm,淬硬至HRC 60-63以提高耐磨性。内锥面在Junker数控磨床上研磨,表面粗糙度达Ra 0.4。我们不使用任何镀铬或涂层,避免在切削液环境下剥落。

夹持力与跳动——实测数据,绝非估算

每支刀柄在出厂前均经过液压膨胀芯轴测试。夹持力通过扭矩扳手实测为45–60 N·m,跳动使用千分表在测试芯棒上验证——鼻端最大0.005 mm TIR,4倍直径深度处为0.008 mm。这不是宣传数字,而是每件产品10次测量的平均值。如需更高精度,我们可以研磨至0.003 mm TIR,需加收5%费用并延长2天交期。

每批出货前的检验流程

每支刀柄均经过3步QC流程。第1步:在三坐标测量机(Zeiss Contura)上进行尺寸检测——锥角、螺纹螺距和同心度。第2步:洛氏硬度计测试——本体三个测量点必须达到HRC 58-62。第3步:功能测试——安装10 mm立铣刀,以12,000 RPM运行5分钟,检查振动是否超过1.5 mm/s。任何一步不合格即报废处理。我们不采用批次抽检。每笔订单均附有签署的检验报告。

规格参数数值
材料(本体)42CrMo(AISI 4140)
材料(螺母)20CrMnTi,渗碳处理
硬度(本体)HRC 58-62
硬度(螺母)HRC 60-63
跳动(鼻端TIR)0.005 mm
表面粗糙度(锥面)Ra 0.4
夹持范围ER11(1–7 mm)、ER16(1–10 mm)、ER20(1–13 mm)、ER32(2–20 mm)
公差(锥角)±0.002°
最高转速20,000 RPM
交期7个工作日(标准),3天(加急)
最小起订量无起订量限制——可订1件或1,000件

如何将这款刀柄与您的主轴锥度匹配

这款刀柄提供BT30、BT40、BT50、CAT40、CAT50、HSK63A和HSK100A锥柄规格。锥柄研磨至AT3公差等级,即锥角偏差在±0.002°以内,每10 mm长度的直线度低于0.001 mm。如果您不确定主轴类型,请检查拉钉螺纹(MAS BT、DIN 69872或ISO 7388)和基准线距离。我们也可以根据您的图纸定制加工锥柄——只需发送图纸,我们将在12小时内报价。

冷却液流道与排屑设计

标准ER刀柄只有一个冷却液孔,直接喷射在刀具上——这会导致切屑侧向飞溅并引起刀具偏摆。我们的刀柄本体设有四个内部冷却液通道,每个直径2.5 mm,以30°角度朝向切削刃。这形成螺旋冷却液流,将切屑向前冲出并远离工件。流量为3 bar压力下15 L/min。如果使用刀具内冷,中心孔直径为6 mm,内衬硬化套筒以防止冲蚀。

最小起订量是多少?

无起订量限制——您可以订购单支刀柄用于样件测试,或订购500件用于批量生产;50件起单价下降15%,200件起下降25%。

能否定制锥柄或夹头尺寸?

可以,我们可以根据您的图纸加工任何类型的锥柄、长度或拉钉配置——只需发送PDF或STEP文件,我们将在24小时内确认可行性。

如何保证每件产品的质量?

每支刀柄均经过三坐标测量机、洛氏硬度计和实际主轴测试的单独检验,并附有签署的检验报告发货——绝无批次抽检。

定制订单的交期是多久?

标准交期为收到材料后7个工作日;定制锥柄订单需10–12个工作日;加急服务(3天)需加收20%费用。

在最终确定您的刀具配置之前,请阅读我们的CNC刀具选择指南,了解刀柄刚性如何影响刀具寿命,以及我们的CNC加工公差指南,了解我们能在您的零件上实现的全部精度范围。这两份指南均基于我们在中国东莞20年的精密制造经验。

我们是一家位于中国东莞的20年精密制造工厂,专注于CNC加工、冲压、弹簧和散热器。所有CNC加工快换夹头刀柄均在中国按照ISO 9001:2015标准制造。请发送您的图纸或主轴规格清单,我们将在12小时内给出确定报价。无起订量限制,无隐藏刀具成本。

邮箱:sc@bquq.com
WhatsApp:+86 13713157787
发送您的图纸——我们将在12小时内回复尺寸审核和确定报价。


相关产品

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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