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BQUQ CNC加工自动车床36型夹头外螺纹后端特写

这是一款CNC加工自动车床36型夹头,采用外螺纹后端特写设计。其跳动精度(TIR)为0.005 mm,表面光洁度达Ra 0.4 µm,硬度淬至58–60 HRC,可延长刀具寿命。我们位于中国东莞的精密制造工厂拥有20年经验,标准规格产品7天内发货,无最小起订量。 外螺纹后端特写设计如何提升夹持刚性 后端外螺纹允许直接安装至主轴鼻端,无需拉杆适配器。与内螺纹设计相比,堆叠长度缩短12 mm。较短的


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这是一款CNC加工自动车床36型夹头,采用外螺纹后端特写设计。其跳动精度(TIR)为0.005 mm,表面光洁度达Ra 0.4 µm,硬度淬至58–60 HRC,可延长刀具寿命。我们位于中国东莞的精密制造工厂拥有20年经验,标准规格产品7天内发货,无最小起订量。

外螺纹后端特写设计如何提升夹持刚性

后端外螺纹允许直接安装至主轴鼻端,无需拉杆适配器。与内螺纹设计相比,堆叠长度缩短12 mm。较短的刀具悬伸量可减少重切削下的挠曲变形。对于36型夹头,在相同夹紧扭矩下,夹持力提升18%。后端特写配置还允许更大的通孔孔径——最大可达28 mm直径——便于棒料送料。

36型夹头的材料牌号与热处理工艺

我们选用20CrMnTi合金钢,预硬化至28 HRC以便加工。CNC车削和螺纹磨削后,进行渗碳处理,渗碳层深度为0.8–1.0 mm。最终夹持面硬度为58–60 HRC,而芯部保持35–40 HRC以确保韧性。这种双重硬度设计可同时防止磨损和脆性断裂。每个夹头均在-120°C下进行深冷处理以稳定微观组织,确保在10,000次以上夹持循环中保持尺寸稳定性。

36型夹头外螺纹的CNC加工工序

我们的加工工艺采用带动力刀具的五轴CNC车床。第一步:粗车外径和内孔,留0.3 mm加工余量。第二步:按上述工艺进行热处理。第三步:精磨外螺纹至ISO 6g公差。第四步:线切割加工12条纵向槽。第五步:珩磨内孔至镜面光洁度。最终检验在前、中、后三个位置测量跳动。任何在前端夹持区跳动超过0.005 mm的夹头均被拒收。

每件产品的跳动控制与同心度验证

我们使用蔡司三坐标测量机和带精密心轴的TIR量规对每个夹头进行验证。心轴本身跳动为0.002 mm。我们测量夹头内孔在距前端面5 mm和20 mm深度处的跳动。最大允许偏差为前端0.005 mm、后端0.008 mm。这比36型夹头的行业标准严格40%。我们还在20 Nm夹紧扭矩下测试夹持力——平均值为8.5 kN,标准差为0.2 kN。

每次发货前检验:100%尺寸检查

每个夹头在包装前均经过9点检验。我们使用螺纹千分尺测量外螺纹中径,气动量规测量内孔直径,视觉系统测量槽宽。同时,对夹持面进行洛氏硬度测试,并使用轮廓仪进行表面粗糙度检查。任何参数超出规格的夹头均被报废——不进行返工。我们的来料拒收率为2.1%,成品拒收率为0.4%,每月进行跟踪统计。

OEM订单的包装、标记与可追溯性

每个夹头均单独包裹防锈纸,并置于泡沫内衬塑料盒中。盒上标记零件号、批次代码和制造日期。对于OEM订单,我们可在前端面激光雕刻您的徽标和零件号。超过100件的订单,我们随货提供材料证书和尺寸检验报告。批次代码可实现从原始钢材炉次到热处理炉记录的完全可追溯性。

特殊螺纹36型夹头的定制选项

标准螺纹为M36 x 1.5。我们还可加工M36 x 1.0、M36 x 2.0或UNF 1-1/2-12。对于特殊内孔直径,我们可生产4 mm至28 mm范围内任意尺寸,以0.1 mm为增量。我们还提供带中心通孔用于冷却液输送的版本,以及带硬化磨削后端面以确保更好贴合性的版本。定制交期为12–15天,数量最高500件。

参数数值
类型36型夹头(自动车床系列)
螺纹规格外螺纹M36 x 1.5(ISO 6g)
后端特写设计是,外螺纹后端安装
材料20CrMnTi合金钢
硬度(夹持面)58–60 HRC
芯部硬度35–40 HRC
跳动(前端TIR)0.005 mm
表面光洁度(内孔)Ra 0.4 µm
夹持范围4 mm – 28 mm内孔直径
交期(标准)7个工作日
最小起订量无最小起订量(可接受1件)

该夹头的最小起订量是多少?

我们无最小起订量——您可以订购单件用于原型测试,或订购千件用于批量生产;单价根据数量调整。

能否加工定制内孔直径或螺纹螺距?

可以,我们可加工4 mm至28 mm范围内任意内孔,以0.1 mm为增量,并可将外螺纹修改为M36 x 1.0、M36 x 2.0或UNF 1-1/2-12,交期12天。

如何确保大批量生产中的质量一致性?

我们对每批产品采用SPC(统计过程控制),每2小时抽样5件进行跳动和硬度检测;每批发货均附有三坐标测量报告。

加急订单的最快交期是多少?

对于库存的标准36型夹头,我们可通过DHL快递在48小时内发货;定制订单视螺纹和内孔修改情况需12–15天。

如需选择与该夹头配套的合适切削刀具,请参阅我们的CNC切削刀具选型指南。如需验证图纸的尺寸标注方法,请先查阅我们的CNC加工公差指南

该精密制造部件在中国东莞工厂制造,工厂拥有20年历史。我们专注于为全球OEM客户提供CNC加工、冲压、弹簧和散热器。带外螺纹后端特写设计的36型夹头为常备库存产品——我们保有500件库存,可立即发货。该产品无最小起订量,您可先订购单件验证设计,再批量扩大。

发送您的图纸,12小时内获取正式报价。请发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。我们将在一个工作日内确认您图纸上的螺纹、内孔尺寸和跳动要求。


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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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