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BQUQ CNC加工ER25弹簧夹头刀柄,带攻丝CNC刚性攻牙功能

这是一款CNC加工的ER25弹簧夹头刀柄,内置攻丝夹持段,专为刚性CNC攻丝循环设计。您可获得夹头鼻端0.005毫米TIR(总指示跳动)的保证,夹持表面硬度HRC 58-60,定制批次标准交货期为15天。它将您的标准ER25主轴接口转换为专用攻丝驱动工具,无需单独的丝锥夹头,换刀时间减少约30%。 ER25夹头体如何吸收攻丝扭矩而不打滑 刀柄体由单块42CrMo4合金钢坯加工而成。ER25夹头座


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这是一款CNC加工的ER25弹簧夹头刀柄,内置攻丝夹持段,专为刚性CNC攻丝循环设计。您可获得夹头鼻端0.005毫米TIR(总指示跳动)的保证,夹持表面硬度HRC 58-60,定制批次标准交货期为15天。它将您的标准ER25主轴接口转换为专用攻丝驱动工具,无需单独的丝锥夹头,换刀时间减少约30%。

ER25夹头体如何吸收攻丝扭矩而不打滑

刀柄体由单块42CrMo4合金钢坯加工而成。ER25夹头座研磨至8°锥角,表面光洁度Ra 0.4 µm。丝锥柄部在20毫米轴向长度上被夹持,均匀分布扭转载荷。对于M3至M12丝锥,有效扭矩传递超过夹头理论容量的95%。这防止丝锥在夹头内旋转,这是CNC攻丝操作中最常见的失效模式。

我们用于刀柄体的材料与热处理

主体和螺母采用42CrMo4(AISI 4140)材料。主体经调质处理至HRC 28-32,但夹头座和锥面经选择性感应淬火至HRC 58-60。ER25夹头本身由65Mn弹簧钢制成,硬度HRC 45-50,内孔全研磨。螺母上的螺纹采用滚压而非切削加工,抗拉强度达900 MPa。这种组合使刀柄可承受超过200,000次攻丝循环而无明显磨损。

每次发货前检验:跳动与硬度检查

每只刀柄在出厂前均在三坐标测量机(CMM)上检测。我们检查夹头座跳动至0.003毫米,螺纹中径至6H公差,锥面硬度用洛氏硬度计测试。我们还进行10,000 RPM动态平衡测试,确保振动水平低于0.5 mm/s。您随货收到打印的检验报告,包括刀柄序列号。

规格数值/详情
产品类型CNC加工ER25弹簧夹头刀柄,带攻丝CNC刚性攻牙功能
材料主体42CrMo4(AISI 4140),夹头65Mn
硬度夹头座HRC 58-60(感应淬火),主体HRC 28-32
跳动(TIR)鼻端0.005毫米,100%三坐标测量机检测
表面光洁度锥面Ra 0.4 µm,外部表面Ra 0.8 µm
夹头尺寸ER25,可夹持3毫米至16毫米丝锥柄(配相应夹头)
螺纹精度所有配合螺纹6H
最大转速15,000 RPM(G2.5级平衡)
交货期标准15天,加急7天(样品订单)
起订量无起订量——接受单件订单

为什么螺母采用滚压螺纹而非切削螺纹

滚压螺纹具有沿螺纹轮廓连续流动的晶粒流线,相比切削螺纹疲劳强度提高30%。此刀柄的螺母在热处理后滚压,然后进行发黑处理。这意味着即使在高扭矩下反复夹紧,螺母也不会与主体卡死。我们用扭矩扳手对每对螺母/主体测试至80 Nm,这比ER25系统最大工作扭矩高20%。

表面处理选项:裸钢、发黑或镀镍

标准配置为发黑处理,形成0.5-1.5 µm厚的防腐蚀层。如果您使用高氯含量冷却液,我们推荐化学镀镍选项(8-12 µm)以防止点蚀。对于干式加工,也可提供带轻油膜的裸钢表面。所有表面处理均在最终研磨后施加,因此涂层工艺不影响公差。

此刀柄如何与您现有的ER25刀具系统集成

如果您已使用ER25夹头进行铣削或钻孔,此攻丝刀柄使用同一夹头系列。您无需购买新夹头——只需使用与丝锥柄径匹配的ER25夹头。刀柄体具有标准19.05毫米直柄或可选BT30/BT40锥柄(定制加工)。这可将您的刀具库存减少一整套系统。有关匹配切削刀具与机床的更多背景,请参阅我们的CNC切削刀具选择指南

通过内置压缩功能处理攻丝深度不一致

大多数攻丝夹头失效是因为它们无法补偿机床进给率与丝锥螺距之间的差异。我们的刀柄在攻丝夹持段包含±0.5毫米的轻微轴向浮动。此浮动作为机械保险丝——如果机床进给未完美同步,浮动吸收误差,防止丝锥断裂。这对于盲孔攻丝尤为关键,因为断丝锥的移除成本高昂。

此ER25攻丝刀柄的起订量是多少?

无起订量——凭借灵活的生产线,我们制造和发运单件与大批量一样容易。

您能定制柄径或夹头类型吗?

可以,我们可以加工任何柄径(例如20毫米、25毫米或HSK),也可调整头部以适配ER32或ER40夹头,如果您需要更高扭矩容量。

您如何保证每件产品0.005毫米跳动?

我们使用100%检验流程,配备三坐标测量机和精密测试心轴;任何超过0.005毫米的单元将被报废,而非返工。

定制订单的实际交货期是多少?

标准定制订单15天发货,但原型或样品可通过空运加急至7天。

有关我们如何维持这些公差的更多信息,请阅读我们的CNC加工公差指南。此零件是东莞20年精密制造经验的成果,完全在中国制造,工厂通过ISO 9001认证。

将您的图纸或仅丝锥尺寸和主轴接口发送给我们——我们将在12小时内提供确定报价。发送电子邮件至sc@bquq.com或通过WhatsApp联系我们+86 13713157787。我们将确认价格、交货期以及我们能为您的应用保证的精确跳动值。


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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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