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BQUQ CNC加工ER弹簧夹头延长杆长悬伸精密型

此ER弹簧夹头延长杆在深腔加工中的作用 这是一款CNC加工的ER弹簧夹头延长杆长悬伸CNC刀柄。它可将刀具悬伸延长50至150 mm,无需额外加装延长件。鼻端跳动控制在0.005 mm以内。热处理后硬度为58–62 HRC。标准规格交期7天,定制长度交期10–12天。 长悬伸设计为何能消除深腔加工中的振颤 当刀具悬伸超过直径的3倍时,标准弹簧夹头会产生振动。我们的延长杆将夹持点前移。


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此ER弹簧夹头延长杆在深腔加工中的作用

这是一款CNC加工的ER弹簧夹头延长杆长悬伸CNC刀柄。它可将刀具悬伸延长50至150 mm,无需额外加装延长件。鼻端跳动控制在0.005 mm以内。热处理后硬度为58–62 HRC。标准规格交期7天,定制长度交期10–12天。

长悬伸设计为何能消除深腔加工中的振颤

当刀具悬伸超过直径的3倍时,标准弹簧夹头会产生振动。我们的延长杆将夹持点前移。刀柄从锥柄到夹头鼻端为一体式结构——无螺纹连接,无焊接段。相比夹头加延长适配器的组合,整体刚度提升40%。在5D型腔和深筋槽加工中,您可在高达8,000 RPM的转速下稳定切削。

材料牌号及热处理工艺实现58–62 HRC硬度

我们采用42CrMo4合金钢或20CrMnTi(渗碳硬化型)。经过CNC车削和铣削后,对夹持区进行渗碳或感应淬火。最终夹头锥面硬度为58–62 HRC,本体硬度为50–55 HRC。锥面表面粗糙度为Ra 0.4 µm。这可以防止每天数百次装夹和松开ER夹头时发生咬合现象。

ER11、ER16、ER25、ER32——哪种夹头尺寸适合您的主轴

我们加工四种标准夹头尺寸的延长杆。ER11适用于刀具直径1–7 mm,ER16适用于1–10 mm,ER25适用于1–16 mm,ER32适用于2–20 mm。柄部可选直圆柱形(Ø20、Ø25、Ø32 mm)或SK30/SK40/SK50锥柄,用于直接安装主轴。悬伸长度从50 mm到150 mm,以10 mm为增量。如需非标长度,我们直接从实心棒料切割——无额外刀具费用。

规格参数数值
夹头尺寸(ER系列)ER11 / ER16 / ER25 / ER32
悬伸长度(延长杆)50 mm – 150 mm(定制可达200 mm)
柄部直径Ø20 / Ø25 / Ø32 mm 或 SK30 / SK40 / SK50
材料42CrMo4 或 20CrMnTi(渗碳硬化)
硬度(夹头锥面)58 – 62 HRC
硬度(本体)50 – 55 HRC
跳动(鼻端TIR)≤ 0.005 mm
表面粗糙度(锥面)Ra 0.4 µm
同轴度(夹头座至柄部)≤ 0.008 mm
交期(标准规格)7天
最小起订量无最小起订量(接受1件)

每件发货前全检——非抽检

每件延长杆均经过检测,而非每批次抽一件。我们使用三坐标测量机(CMM)在3个点测量锥角。跳动通过精密芯轴配合0.001 mm千分表进行验证。硬度使用洛氏硬度计在锥面和本体上分别抽检。我们随货附送检测报告——包含PDF文件和实际零件照片。

高速加工用动平衡及预调选项

如果您的 spindle 转速超过8,000 RPM,请选择G2.5动平衡选项。我们在15,000 RPM下对组装后的夹头(本体+夹头螺母)进行动态平衡。平衡等级为G2.5,符合ISO 1940标准。我们还提供预调刀具长度补偿服务——我们测量从夹头鼻端伸出的长度,并将数值刻印在柄部。这可为每次换刀节省3–5分钟的机床操作时间。

与焊接或螺纹连接延长件的对比

焊接延长件存在热影响区,会软化钢材。螺纹连接延长件在负载下会产生微动。我们的延长杆由单件锻件加工而成。无连接处、无焊缝、无螺纹间隙。夹头锥面与柄部在同一装夹中磨削,因此两个轴线相互对正。这就是我们无需调整即可保持0.005 mm跳动的原因。

最小起订量是多少?

无最小起订量——我们接受单件用于原型测试或紧急更换。

能否制作非标悬伸长度或柄部尺寸?

可以,任何长度在50 mm至200 mm之间,任何柄部直径在Ø16至Ø40 mm之间,均无定制刀具费用。

发货前如何验证跳动?

我们使用0.001 mm千分表,在夹头中夹持100 mm测试棒测量TIR,并将读数包含在检测报告中。

定制订单的典型交期是多久?

标准规格7天内发货,定制长度10–12天,含动平衡选项的订单增加2天。

发送您的图纸,12小时内获得正式报价

我们了解您需要适合主轴和预算的零件。请将您的图纸或简单草图(含ER尺寸、悬伸长度和柄部类型)发送至sc@bquq.com。您将在12个工作小时内获得正式价格和交货日期。如有紧急问题,请通过WhatsApp联系+86 13713157787。如果您仍在选择刀柄类型,请阅读我们的CNC刀具选型指南。有关柄部或夹头座公差问题,请查看我们的CNC加工公差指南。

这是精密制造,中国制造,无最小起订量,无中间商。我们就是工厂——东莞20年经验,CNC加工加冲压和弹簧。您直接与为您报价的工程师沟通,而非销售代表。


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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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