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BQUQ CNC加工自动车床36型镜面抛光夹头

这款夹头的独特之处:镜面机身实现0.003 mm跳动 这是一款CNC加工自动车床36型夹头,专为高速瑞士型及滑动主轴箱车床设计。镜面抛光外径可减少快速分度时的切屑附着和摩擦,而淬硬钢夹持孔在鼻端保持0.003 mm总指示跳动(TIR)。您可获得高达12 kN的可重复夹紧力、抛光外径Ra 0.2 µm的表面光洁度,以及HRC 58–60的淬硬机身。标准尺寸交货期为15个工作日,我们从东莞工厂发货


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这款夹头的独特之处:镜面机身实现0.003 mm跳动

这是一款CNC加工自动车床36型夹头,专为高速瑞士型及滑动主轴箱车床设计。镜面抛光外径可减少快速分度时的切屑附着和摩擦,而淬硬钢夹持孔在鼻端保持0.003 mm总指示跳动(TIR)。您可获得高达12 kN的可重复夹紧力、抛光外径Ra 0.2 µm的表面光洁度,以及HRC 58–60的淬硬机身。标准尺寸交货期为15个工作日,我们从东莞工厂发货,并附完整检验证书。

为什么36型轮廓适合您的自动车床主轴

“36型”指36 mm柄径,与Citizen、Star和Tsugami自动车床的常见主轴孔径匹配。夹头本体由单块42CrMo4合金钢坯加工而成,非焊接或组装件,消除了累积误差。夹头座研磨至3°锥角,轮廓公差0.001 mm,确保夹头完全就位无晃动。通过后螺母可在30秒内更换夹头,夹头兼容标准ER-32或定制36型夹头,具体取决于您的棒料直径。

镜面抛光:非装饰性,可减少刀具磨损和循环时间

夹头本体上的镜面抛光是一项功能性设计。在自动车床上,切屑和冷却液以8,000 RPM转速飞溅到夹头上。粗糙表面会粘附切屑,引起振动和微焊接。我们的Ra 0.2 µm镜面光洁度让切屑瞬间滑落。在使用6061铝棒料的测试运行中,与标准磨削表面相比,这种抛光将循环时间缩短了4%,因为机床无需暂停清理切屑。抛光还保护主轴锥孔在安装夹头时免受磨损——光滑表面以更小的力滑入,减少主轴鼻端磨损。

我们用于36型夹头的材料和热处理工艺

我们从42CrMo4(AISI 4140)钢开始,预硬化至HRC 28–32以便加工。CNC车削和铣削后,进行真空热处理至HRC 58–60,然后在-80°C深冷处理2小时以稳定组织,防止高速旋转时的尺寸漂移。夹持孔随后研磨和珩磨至0.002 mm圆度。对于腐蚀性环境,我们提供抛光表面的可选化学镀镍——这会增加0.005 mm外径,因此我们相应调整磨削余量。标准表面为裸抛光钢,适用于干式或轻油应用。

规格数值
柄径(36型)36.000 mm +0.000 / -0.005 mm
总跳动(鼻端TIR)0.003 mm
硬度(本体)HRC 58–60
表面光洁度(抛光外径)Ra 0.2 µm
夹持孔圆度0.002 mm
夹紧力(最大)12 kN
夹头座锥角3° ± 0.01°
最大转速8,000 RPM
材料42CrMo4(AISI 4140)
交货期(标准尺寸)15个工作日
起订量无起订量(接受1件)

每次发货前检验:跳动和硬度证书

每件夹头均单独检验,而非批量抽检。我们使用Zeiss三坐标测量机验证36 mm柄径和3°锥角。Federal气动量仪检查夹持孔圆度至0.002 mm。跳动在距鼻端10 mm的测试心轴上测量,TIR值记录在随附证书上。硬度用Rockwell硬度计在夹头端面验证。任何数值不合格,夹头即报废——我们不返工抛光表面,因为抛光后研磨会破坏Ra 0.2 µm光洁度。发货后24小时内您会收到PDF检验报告。

为什么我们取消最小起订量:适用于原型和维修的小批量

大多数夹头供应商要求50件起订,因为他们使用成型刀具和专用夹具。我们使用带快换夹具的CNC加工中心,每批设置时间为45分钟,因此36型可提供无起订量。您可以订购一件用于主轴维修,或十件用于新生产线。我们在东莞的精密制造工艺专为小批量灵活性优化——我们有12台CNC车床和8台五轴铣床专用于此产品线。单件成本比50件订单高18%,但您避免了库存成本和等待整批生产的时间。

实际公差:如何匹配您的CNC切削刀具和主轴

0.003 mm跳动仅在您的主轴和刀柄同样精密时才有意义。我们建议将此夹头与研磨至AT3公差的主轴鼻端配合使用。如果您使用ER夹头进行钻孔或铣削操作,请查看我们的CNC切削刀具选择指南,以匹配夹头尺寸与刀具柄公差。对于一般加工,请参阅我们的CNC加工公差指南,了解跳动如何与零件特征叠加。实际应用中,此夹头在距夹头鼻端50 mm处夹持6 mm棒料时偏转为0.005 mm,足以满足大多数直径30 mm以下的精密车削零件。

此夹头的最小起订量(MOQ)是多少?

无起订量——您可以订购单件用于测试或紧急更换,同样适用15天交货期。

能否定制柄径或夹头座锥角?

可以,我们可以将柄径加工至30 mm至40 mm之间的任何直径,并调整锥角以匹配您的主轴,但这会增加5个工作日交货期。

发货前如何验证跳动?

我们使用分辨率为0.001 mm的千分表在精密测试心轴上测量TIR,并将记录值包含在检验证书中。

标准36型夹头的典型交货期是多少?

标准尺寸从图纸批准起15个工作日内发货,紧急订单可加急至7个工作日,需加收10%费用。

请求正式报价:12小时内图纸审核

发送您的主轴图纸或仅提供柄径和夹头类型。我们的工程师将确认配合度,推荐正确的夹头座锥角,并在12小时内给出正式报价。将图纸发送至sc@bquq.com或通过WhatsApp联系我们+86 13713157787。在中国工作时间(8:00–18:00 CST)内,我们在一小时内回复所有咨询。如果您需要非标准长度或特殊键槽,请在图纸中注明——对于5件以上订单,我们加工定制功能不收取刀具费用。


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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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