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BQUQ CNC加工刀柄系列 BT HSK SK 弹簧夹头刀柄

本系列为您带来的价值:BT、HSK和SK夹头的一站式供应 这是一个完整的CNC弹簧夹头刀柄系列,涵盖三种常见柄部标准——BT、HSK和SK——均采用20CrMnTi或42CrMo钢材从单块坯料加工而成。我们保证0.005 mm TIR(刀柄至锥度)的跳动精度,以及渗碳后58–60 HRC的硬度,这意味着更长的刀具寿命和更少的废品率。标准尺寸交货期为15天,由于我们自有CNC车床和磨床,可混合批


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本系列为您带来的价值:BT、HSK和SK夹头的一站式供应

这是一个完整的CNC弹簧夹头刀柄系列,涵盖三种常见柄部标准——BT、HSK和SK——均采用20CrMnTi或42CrMo钢材从单块坯料加工而成。我们保证0.005 mm TIR(刀柄至锥度)的跳动精度,以及渗碳后58–60 HRC的硬度,这意味着更长的刀具寿命和更少的废品率。标准尺寸交货期为15天,由于我们自有CNC车床和磨床,可混合批量生产而不增加您的单件成本。

ER弹簧夹头刀柄如何实现无跳动夹持刀具

每个刀柄采用ER夹头系统——ER16、ER20、ER25或ER32——通过锁紧螺母径向压缩夹头。关键在于刀柄内部的锥角:我们将其加工至AT3公差,然后在坐标磨床上研磨至Ra 0.2 µm的表面粗糙度。该锥面负责定心夹头,而非螺母螺纹。我们还将刀柄外径研磨至与锥面0.003 mm的同轴度,因此当您拧紧螺母时,刀柄位于绝对中心。对于HSK版本,我们采用空心锥柄,具有两个接触点——端面和锥面——这在高转速下提供更高的刚性。

我们使用的材料与热处理工艺

根据您的应用需求,我们提供两种材料选项。对于一般铣削和钻孔,我们使用20CrMnTi,渗碳深度0.8–1.2 mm,然后硬化至58–60 HRC。对于重载粗加工或断续切削,我们改用42CrMo,调质处理至42–46 HRC芯部硬度,然后表面氮化至65 HRC。每个刀柄体在最终研磨前均经过应力消除循环以防止变形。锁紧螺母采用40Cr制造,硬化至45 HRC,细牙螺纹(ISO公制)研磨至6H级公差。我们不使用带有隐藏气孔的铸件或锻件——所有部件均由实心棒料加工而成。

每次发货前的检验:不仅仅是纸质证书

每个刀柄均通过蔡司三坐标测量机检验锥角与同轴度,并使用真实ER夹头和校准测试棒进行跳动测试。我们将实际跳动值记录在检验报告中——而非“合格/不合格”印章。锥面接触通过蓝油法对照标准规检查:BT和SK要求90%接触率,HSK要求95%。表面粗糙度使用轮廓仪在锥面和夹头座处测量。我们还测试锁紧螺母扭矩:必须在100次循环内重复性在±5%以内。任何刀柄不合格,将返回研磨工位,而非装箱。

尺寸范围与柄部选项:今日可订购的规格

规格数值
柄部类型BT30、BT40、BT50;HSK-A63、HSK-A100;SK30、SK40
夹头尺寸ER16、ER20、ER25、ER32
夹持范围(每个夹头)0.5 mm(例如ER25:1–16 mm分级)
材料20CrMnTi(渗碳)或42CrMo(氮化)
硬度58–60 HRC(渗碳)/ 65 HRC(氮化表面)
跳动(TIR)4倍刀柄直径处0.005 mm
锥度公差AT3(DIN 69893 HSK)/ BT(JIS B6339)
表面粗糙度(锥面)Ra 0.2 µm
交货期标准尺寸15天,定制25天
起订量无起订量——可订购1件或1,000件

高速加工的平衡等级

如果您的 spindle 转速超过10,000 RPM,标准刀柄会产生振动并快速磨损刀具刃口。我们提供两种平衡选项:G6.3 @ 15,000 RPM(标准)和G2.5 @ 25,000 RPM(可选)。对于G2.5,我们在申克动平衡机上对每个刀柄进行动平衡,并在法兰上标记轻点位置。您还可以订购预平衡的夹头和螺母套装——我们按重量匹配至0.5 g以内。这对于用于模具和型腔精加工的HSK-A63刀柄至关重要,因为0.01 mm的表面粗糙度差异取决于主轴稳定性。

如何为您的机床选择BT、HSK和SK

BT(日本标准)是一种带法兰的陡锥——在带有拉钉的旧式加工中心上最为常见。HSK(空心柄)是一种双接触系统,更适合高转速和自动换刀装置,因为它更轻、刚性更高。SK(德国标准)与BT类似,但法兰角度不同——订购前请检查您主轴的拉杆设计。如果不确定,请将您的 spindle 型号或拉钉照片发送给我们。我们将匹配正确的柄部并推荐适合您刀具直径的夹头尺寸。如需深入了解刀柄与切削刀具的匹配,请阅读我们的CNC切削刀具选择指南

此CNC加工刀柄系列的最小起订量是多少?

无起订量——您可以订购单个BT40刀柄进行测试,单件价格与100件订单相同。这是我们东莞工厂精密制造服务的一部分,中国制造。

能否定制柄部长度或法兰设计?

可以,我们可以修改法兰直径、柄部长度或增加中心冷却孔,但需要图纸或样品确认尺寸——定制交货期为25天。

如何保证每个刀柄的0.005 mm跳动精度?

我们使用三坐标测量机和测试棒测量每个刀柄,实际跳动值打印在检验报告中——如果超过0.005 mm,发货前将重新研磨。

BT、HSK和SK混合订单的标准交货期是多少?

标准尺寸在图纸确认后15天内发货,混合订单不会增加额外时间,因为我们在同一条生产线上生产所有三种类型。

12小时内获取正式报价——立即发送您的图纸

将您的图纸或尺寸清单发送至sc@bquq.com,我们将回复正式价格、交货期和建议的夹头配置。如有紧急需求,请通过WhatsApp联系我们:+86 13713157787。如果您仍在确定公差要求,我们的CNC加工公差指南解释了可实现的范围及成本影响。我们是位于中国东莞的20年精密制造工厂——无中间商、无虚高报价,只有首次即可适配您主轴的机加工零件。


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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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