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BQUQ CNC加工自动车床700型圆孔弹簧夹头

这款夹头的功能及0.005 mm跳动精度的重要性 这是一款CNC加工自动车床700型圆孔弹簧夹头,专为高速车削和瑞士型自动车床设计。可夹持3 mm至42 mm的圆棒料,鼻端同心度保证在0.005 mm TIR(总指示读数)以内。这意味着您的加工零件从主轴下来时壁厚一致、无锥度、无振纹——即使在6,000 RPM转速下也是如此。我们将夹持表面硬化至58–60 HRC,使用寿命是标准45 HRC夹头


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这款夹头的功能及0.005 mm跳动精度的重要性

这是一款CNC加工自动车床700型圆孔弹簧夹头,专为高速车削和瑞士型自动车床设计。可夹持3 mm至42 mm的圆棒料,鼻端同心度保证在0.005 mm TIR(总指示读数)以内。这意味着您的加工零件从主轴下来时壁厚一致、无锥度、无振纹——即使在6,000 RPM转速下也是如此。我们将夹持表面硬化至58–60 HRC,使用寿命是标准45 HRC夹头的3倍。每件产品均在中国东莞工厂制造,标准规格7天发货,无最小起订量。

700型圆孔如何实现无压痕、无变形的夹持

700系列采用全长圆孔配合单轴向槽设计,而非分段式夹头。这种设计将夹紧力均匀分布在工件的360度圆周上,避免了ER或TG夹头常见的三点压痕问题。孔内的弹簧回火处理——热处理至58 HRC——使夹头可径向闭合0.5 mm并精确回弹至原始直径。我们在热处理后而非热处理前对孔进行磨削,因此即使经过数千次开合循环,圆度仍保持在0.002 mm以内。对于棒料送料,圆孔在材料前进时自动定心,减少振动并延长刀片寿命。

弹簧孔使用的材料及热处理工艺

根据您的应用需求,我们选用8620合金钢或65Mn弹簧钢作为原材料。对于一般车削,8620经渗碳处理后具有坚韧的芯部和坚硬耐磨的表层。对于高循环弹簧应用——超过100,000次开合动作——我们使用65Mn,其具有优异的抗疲劳性能。两种材料均经过三步热处理:淬火、回火和深冷稳定处理。深冷步骤是关键,它将残留奥氏体转变为马氏体,防止夹头在生产运行中膨胀或变形。最终夹持表面硬度为58–60 HRC,本体硬度为48–52 HRC。最后进行发黑氧化处理,防锈并减少夹头在夹头体内滑动时的摩擦。

每批出货前的检测:跳动、硬度和孔径

每只夹头在出厂前均经过12项检测。我们使用气动量仪测量孔径,分辨率达0.001 mm。使用精密芯轴和千分表检查孔与锥度之间的同心度——鼻端最大跳动为0.005 mm,超过此值即判定不合格。硬度使用洛氏硬度计在三个点进行验证:鼻端、中部和尾部。我们还通过压缩孔0.5 mm并测量回零来测试回弹力。每个零件都有序列号,检测数据存档10年。如果您收到不良品,我们在48小时内更换——但在过去五年中,我们的不良率为0.3%。

CNC加工自动车床700型圆孔弹簧夹头规格表

以下是标准系列的外形尺寸和性能数据。可定制孔径、槽宽和锥度角——只需发送您的图纸。

参数数值
孔径范围3 mm – 42 mm(以0.5 mm递增)
夹头体外径42 mm(700型标准)
总长度80 mm / 100 mm(可选)
锥度角16° 包含角(可定制20°)
材料8620合金钢或65Mn弹簧钢
硬度(夹持表面)58–60 HRC
硬度(本体)48–52 HRC
同心度(鼻端TIR)0.005 mm
孔圆度0.002 mm
表面粗糙度(孔)Ra 0.4 µm
最大夹紧力12 kN(6 bar液压下)
最高主轴转速6,000 RPM
交期(标准)7天
最小起订量无(单件可接受)

为什么这款夹头适用于您现有的自动车床主轴

700型是日本和欧洲自动车床的通用标准,包括Citizen、Star、Tsugami和Tornos。外锥度与主轴鼻端匹配,无需定制转接套。圆孔可直接接受磨削棒料——无需送料手指或导向衬套。我们将背面加工至0.005 mm平面度,确保夹头与主轴端面垂直贴合。如果您使用液压或气动执行器,夹头本体具有标准螺纹孔(M20 x 1.5)用于连接拉杆。对于主轴磨损的现有设备,我们可以重新磨削锥度以匹配您实际的主轴角度——只需发送图纸或当前夹头样品即可。

如何快速订购定制孔径而无需长时间等待

标准规格(3 mm至42 mm,以0.5 mm递增)有库存,7天发货。对于非标孔径——如4.2 mm或17.8 mm——我们在10天内按您的精确尺寸加工。流程简单:发送图纸或直接说明孔径和工件公差。我们将推荐合适的槽宽(标准1.5 mm,小孔径可降至0.8 mm)和弹簧回火参数。订购10件以上时,我们还免费提供拉杆螺纹定制。对于打样,我们接受单件订单——无最小起订量,无模具费。只需将图纸发送至邮箱,我们将在12小时内确认价格和交期。

这款夹头的最小起订量是多少?

没有最小起订量——您可以订购单件用于打样,也可以为您的机加工车间订购一套20种不同规格的夹头。

能否为非标工件定制孔径?

可以,我们可以加工3 mm至42 mm范围内任意孔径,精度达0.1 mm递增,同时可根据您的图纸调整槽宽和锥度角。

如何确保0.005 mm跳动精度在批次间保持一致?

我们在五轴CNC上一次装夹完成孔和锥度的磨削,每件产品在出货前均使用气动量仪和千分表进行单独检测。

带图纸的定制订单实际交期是多久?

标准规格7天发货,定制孔径10天发货,批量订单(50件以上)15天发货——全部从我们的东莞工厂发出。

12小时内获取精准报价——立即发送您的图纸

不要再为公差和交期而烦恼。将您的零件图纸或主轴规格发送给我们,我们将在12小时内确认确切的价格、孔径和发货日期。我们是一家拥有20年CNC加工经验的精密制造企业,每只夹头均附100%检测报告。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。如需自行设定公差,请参阅CNC加工公差详解

将您的图纸发送至sc@bquq.com,或通过WhatsApp联系我们:+86 13713157787。我们将回复精准报价,而非价格区间。我们所有的夹头均在中国严格按ISO 9001标准制造,并通过DHL或FedEx全球发货。


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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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