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HSK50 ER20 弹簧夹头刀柄 | 高速CNC加工 | BQUQ

这款 HSK50 ER20 弹簧夹头刀柄对您的主轴有何实际作用 这是一款精密加工的 HSK50 ER20 弹簧夹头刀柄,专为高速CNC加工中心设计。它夹持 ER20 弹簧夹头(最大柄径 13 mm),鼻端径向跳动 ≤0.005 mm——该数值为装配后实测,而非仅凭理论。此跳动值直接转化为更长的刀具寿命和更佳的零件表面质量,尤其在 15,000 RPM 及以上转速时效果显著。我们从东莞工厂发货,


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这款 HSK50 ER20 弹簧夹头刀柄对您的主轴有何实际作用

这是一款精密加工的 HSK50 ER20 弹簧夹头刀柄,专为高速CNC加工中心设计。它夹持 ER20 弹簧夹头(最大柄径 13 mm),鼻端径向跳动 ≤0.005 mm——该数值为装配后实测,而非仅凭理论。此跳动值直接转化为更长的刀具寿命和更佳的零件表面质量,尤其在 15,000 RPM 及以上转速时效果显著。我们从东莞工厂发货,交货期 12 个工作日,无最小起订量。

为何 HSK50 在高速加工中优于 BT40 或 SK40

HSK50 采用中空锥度(1:10),随着转速升高,刀柄会被更紧地拉入主轴。与 BT40 的 7:24 锥度不同,HSK50 在离心力作用下仍能保持轴向和径向接触。对于高速加工(10,000 至 30,000 RPM),这意味着振动更小且无刀具脱落风险。ER20 弹簧夹头系统提供高达 23 Nm 的夹紧力,确保立铣刀在断续切削中稳固不移。

我们使用的材料与热处理工艺

我们采用 20CrMnTi(渗碳钢)制造刀体,65Mn 制造夹头螺母。刀体渗碳深度 0.8–1.2 mm,随后淬硬至 58±2 HRC。锥度和夹头座在热处理后进行磨削,而非之前——这消除了变形并确保锥度同心。锥面表面粗糙度 Ra 0.2 μm;夹持孔 Ra 0.4 μm。我们不使用镀铬或镀镍涂层;这些涂层易剥落并污染切削液。

ER 弹簧夹头如何无跳动地夹持刀具

ER20 弹簧夹头是一种带 8 条槽的开口套筒。当您拧紧螺母时,夹头围绕刀柄均匀收缩。关键在于刀体内部几何结构:夹头座磨削至 8° 夹角,螺母螺纹磨削至 6H 级。这种组合使夹头同时产生轴向和径向位移,将刀具定心在 0.005 mm 以内。我们使用 10 mm 测试棒对每件产品进行测试——而非标准夹头——确保您获得真实数据。

每批出货前的检验流程

每件 HSK50 ER20 夹头均接受全面检验,而非抽样。我们检查:锥面接触率(≥90%,涂色法)、鼻端跳动(≤0.005 mm)、拉紧力(≥12 kN)及螺纹配合。我们还对每支刀柄进行 G2.5 动平衡(20,000 RPM)——若不合格,则重新加工卸荷槽直至通过。书面检验报告随订单发货,并标注刀柄上的唯一序列号。

刀柄选型的关键规格参数

以下是我们每批次报价的数值。如果您需要不同的夹持范围或平衡等级,请告知我们——我们调整工艺,而非价格。

参数数值
接口HSK50 (DIN 69893-1)
夹头类型ER20 (ISO 15488)
夹持范围1.0 – 13.0 mm
刀体材料20CrMnTi,渗碳处理
硬度(刀体)58±2 HRC
硬度(螺母)48±2 HRC
鼻端跳动≤0.005 mm(带测试棒)
表面粗糙度(锥面)Ra 0.2 μm
平衡等级G2.5 @ 20,000 RPM
交货期12 个工作日(按单生产)
最小起订量1 件(无起订量要求)

高速CNC的动平衡与跳动限值

在 20,000 RPM 转速下,60 mm 直径上的 1 克不平衡会产生约 13 N 的离心力。该力会将刀具推离中心,在零件上留下振纹。我们对每支刀柄单独进行 G2.5 动平衡,意味着此尺寸的残余不平衡量低于 0.6 g·mm。我们测量的跳动为鼻端总指示读数(TIR),包括夹头座误差——而非仅锥度。该数值直接影响您的孔公差和刀具磨损。

能否定制夹持长度或增加内冷孔?

可以——我们可将总长度加工至 60 mm 至 120 mm,并增加两个 4 mm 贯穿刀体的冷却孔,但这会增加 3–4 天交货期,且平衡等级将变为 G6.3,除非您要求重新动平衡。

你们真的没有最小起订量吗?

正确——我们可单件发货用于打样,10 件时单价约降 18%,50 件时降 32%,但检验和材料成本保持不变。

100 件批量时如何控制质量?

我们使用三坐标测量机(CMM)检查首件的锥角与同心度,随后每第 5 件在精密心轴上接受完整跳动测试;其余件使用标准规进行锥面接触检查。

定制 HSK50 ER20 刀柄的实际交货期是多久?

标准刀柄 12 个工作日发货;定制长度或冷却孔需 15–16 个工作日。如需加急,标准刀柄可在 7 天内发货,收取 15% 加急费。

为何中国精密制造适用于此零件

我们在东莞制造刀柄已有 20 年历史——并非作为低成本替代方案,而是因为我们的磨削部门配备专用 HSK 锥度磨床,24/7 全天候运行。这意味着我们每件产品都能将 1:10 锥度控制在 ±0.002 mm 以内,而非仅在客户监督时。您将获得批次一致的稳定质量,因为我们掌控从钢材切割到最终检验的全流程。这是中国制造的精密工艺,附带出口级文档。

在为下一个项目选择刀柄之前,请查阅我们的CNC刀具选型指南,确认您的夹头尺寸和夹持长度。如果您正在收紧现有零件的公差,我们的CNC加工公差指南解释了跳动和锥面接触如何影响最终孔位。

12 小时内获取明确报价

将您的图纸——即使是带有目标跳动和转速的粗略草图——发送至 sc@bquq.com。我们将在 12 个工作小时内回复明确的价格、交货期和平衡规格。如有紧急问题,请通过 WhatsApp 联系 +86 13713157787。无最小起订量,无议价游戏——只为适用于您机床的 CNC 加工 HSK50 ER20 弹簧夹头刀柄提供直接报价。


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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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