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BQUQ CNC加工自动车床夹头后螺纹展示件 36 46 52

这是一款CNC加工自动车床夹头后螺纹展示件,专为ER弹簧夹头(规格36、46和52)精密制造。后螺纹可确保夹头螺母零轴向间隙安装,将跳动控制在≤0.005 mm TIR以内,表面粗糙度达到Ra 0.4 µm。标准规格产品自东莞工厂发货,交期7天,硬度固定为HRC 58–60,确保长期耐磨夹持性能。 后螺纹如何消除ER 36 46 52夹头跳动 后螺纹并非简单切削而成,而是采用单点车削螺纹,每25


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这是一款CNC加工自动车床夹头后螺纹展示件,专为ER弹簧夹头(规格36、46和52)精密制造。后螺纹可确保夹头螺母零轴向间隙安装,将跳动控制在≤0.005 mm TIR以内,表面粗糙度达到Ra 0.4 µm。标准规格产品自东莞工厂发货,交期7天,硬度固定为HRC 58–60,确保长期耐磨夹持性能。

后螺纹如何消除ER 36 46 52夹头跳动

后螺纹并非简单切削而成,而是采用单点车削螺纹,每25 mm螺距误差小于0.002 mm。当您将夹头螺母拧紧至该螺纹上时,夹头本体沿锥面均匀回拉,使刀柄居中定位。该设计无需单独的固定螺钉,装配时间缩短30%。对于ER 36、46和52夹头,螺纹螺距与螺母内螺纹匹配(36规格为M30 x 1.5,46规格为M40 x 1.5,52规格为M50 x 1.5),确保在12,000 RPM主轴转速下形成摩擦锁紧,防止松动。

材料与热处理:为何夹头选用8620钢

我们采用AISI 8620渗碳钢,而非价格较低的1045钢,因其渗碳层深度均匀,可达0.8 mm。CNC车削和螺纹铣削后,零件在920°C下进行气体渗碳,随后油淬并在180°C回火。最终硬度检测显示螺纹表面硬度为HRC 58–60,芯部韧性为HRC 35。这种组合使后螺纹能够承受反复夹头螺母拧紧(高达50,000次循环)而不开裂。对于不锈钢夹头本体,我们使用17-4PH H1025,硬度为HRC 40–42。

后螺纹展示件的关键尺寸与公差

我们加工的每个后螺纹展示件均严格匹配原始夹头图纸。螺纹大径公差等级为6g,螺纹节线与夹头锥面之间的同心度≤0.003 mm。我们使用配备C轴动力刀塔的CNC车床,螺纹、背面和退刀槽在一次装夹中完成切削,消除重复装夹误差。展示面(即读取尺寸的后端面)采用激光雕刻“36”、“46”或“52”字样,深度0.1 mm,经2,000次清洁循环后仍清晰可读。

规格参数数值
可用规格(ER)36, 46, 52
螺纹螺距(M30/M40/M50)1.5 mm(所有规格)
材料(标准)AISI 8620渗碳钢
材料(可选)17-4PH不锈钢(H1025)
硬度(表面)HRC 58–60(8620),HRC 40–42(17-4PH)
公差(螺纹螺距)±0.002 mm / 25 mm
跳动(TIR)≤0.005 mm
表面粗糙度(螺纹侧面)Ra 0.4 µm
渗碳层深度0.8 mm(±0.1 mm)
交期(标准)7天(起订量1件)
起订量无起订量 – 单件可订

每批出货前检测:气动量仪与三坐标测量机验证

每个后螺纹展示件均经过三步检测。首先,使用气动量仪测量中径,可捕捉大于2 µm的螺纹轮廓偏差。其次,使用配备0.5 mm红宝石测头的三坐标测量机(CMM)检查同心度及螺纹相对于夹头锥面的位置。第三,进行功能测试:将零件旋入标准夹头螺母,在距夹头端面10 mm处用千分表测量跳动。每批次均保留CMM报告副本,可通过后端面激光雕刻的批号追溯。

为何此零件应指定中国制造(但并非所有零件皆如此)

此夹头后螺纹展示件属于大批量精密车削零件。BQUQ等中国工厂已投资CNC车床和内部热处理设备,因此能够保持低成本车间难以达到的公差。我们是位于东莞的精密制造企业,拥有20年历史,配备40台CNC机床和专用螺纹磨削单元。对于此特定零件,中国制造意味着您能以比德国或日本工厂低40%的单位成本获得同等品质。但我们绝不牺牲材料质量——仅使用附带钢厂检测报告的认证8620钢。

包装与防腐蚀保护,适用于长途运输

每个夹头后螺纹展示件均单独采用VCI(气相防锈)纸包裹,然后密封于塑料袋中。订单超过100件时,我们额外添加干燥剂包,并将零件置于带泡沫内衬的硬纸箱中,防止螺纹损伤。我们通过将包装箱从1米高处跌落至混凝土表面进行测试,确保螺纹无变形。在室内湿度低于60%的存储条件下,表面防锈保证期为12个月。

CNC加工自动车床夹头后螺纹展示件36 46 52的最低起订量(MOQ)是多少?

我们无起订量要求——您可订购单件用于原型测试,批量价格自50件起生效。

能否为非标夹头定制螺纹螺距或材料?

可以,我们可加工任何螺纹螺距(如2.0 mm或1.0 mm)及清单中的任何材料,但非标螺纹可能增加2天交期。

对于跳动0.005 mm的关键螺纹,如何确保质量控制?

我们对每一件产品(而非仅批次抽检)采用气动量仪测量、三坐标测量机检测及功能性螺母扭矩测试相结合的方式。

此夹头后螺纹原型订单的交期是多久?

原型交期为5天(含热处理),100件标准生产订单交期为7天。

12小时内获取实盘报价 – 请发送您的图纸

请将您的图纸或样品发送给我们——我们将在12小时内提供实盘报价,无隐藏刀具成本。请发送邮件至sc@bquq.com或通过WhatsApp联系+86 13713157787。我们将根据您的图纸确认材料、硬度和公差。如需了解更多刀具选型信息,请阅读我们的CNC刀具选型指南。要了解我们如何实现0.005 mm精度,请参阅我们的CNC加工公差解析指南。您的首单将于7天内从东莞工厂发货——无起订量要求。


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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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