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BQUQ CNC加工自动车床36型三角孔弹簧夹头

这是一款CNC加工自动车床36型三角孔弹簧夹头,专为高速瑞士型和滑动主轴箱机床设计。它可夹持三角形、方形和六角形棒料,保证跳动≤0.005 mm,硬度HRC 58-60,提供可重复的夹持力且不会划伤软质材料。标准尺寸的交货期为10-15个工作日,我们从东莞工厂发货,无最小起订量。 三角孔如何无变形夹持非圆形棒料 标准圆形夹头会压碎三角形或六角形棒料。我们的三角孔弹簧夹头采用三点接触几何结构,将夹


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这是一款CNC加工自动车床36型三角孔弹簧夹头,专为高速瑞士型和滑动主轴箱机床设计。它可夹持三角形、方形和六角形棒料,保证跳动≤0.005 mm,硬度HRC 58-60,提供可重复的夹持力且不会划伤软质材料。标准尺寸的交货期为10-15个工作日,我们从东莞工厂发货,无最小起订量。

三角孔如何无变形夹持非圆形棒料

标准圆形夹头会压碎三角形或六角形棒料。我们的三角孔弹簧夹头采用三点接触几何结构,将夹紧力均匀分布在平面上而非棱角处。与圆形孔相比,该设计可将径向应力集中降低高达40%。结果是:您可以在8,000 RPM转速下进给2 mm至36 mm的黄铜、铝或易切削钢棒料,而不会出现振纹或表面痕迹。

36型指本体直径和锥角(36 mm,30°包含角),这是Citizen、Star和Tsugami自动车床的常见接口。弹簧槽图案在CNC铣削后采用EDM线切割加工,确保槽均匀闭合。每个槽间隙控制在±0.01 mm,因此夹头每次循环都能对称收缩。

材料选择:为何选用65Mn钢而非40Cr

我们采用65Mn弹簧钢而非40Cr合金钢加工此夹头。65Mn在全偏转下疲劳寿命超过200,000次循环,是40Cr的2.5倍。经过淬火和回火后,我们实现芯部硬度HRC 58-60和表面硬度HRC 60-62。这种组合使夹头可径向弯曲0.3 mm而不会发生塑性变形。

为了耐腐蚀和低摩擦,我们采用黑色氧化处理(MIL-DTL-13924),对干燥钢的摩擦系数为0.15。如果您加工不锈钢或钛合金,我们提供可选TiN涂层(HV 2300),可减少咬合并延长刀具寿命30%。

跳动控制:热处理后磨削,而非热处理前

许多供应商在硬化前磨削内孔,这会导致变形。我们在热处理后于同一夹紧设置中磨削内孔和锥面。这一两步工艺(粗磨→硬车→精磨)将锥面与三角孔之间的同心度保持在≤0.005 mm TIR。我们使用Marposs气电测量仪验证,而非千分表。

背面平行于内孔轴线磨削,公差在0.003 mm以内。这防止夹头在拉管回拉时倾斜。如果您的机床主轴鼻端磨损,精密背面可补偿高达0.01 mm的偏差。

CNC加工自动车床36型三角孔弹簧夹头规格

参数数值
本体直径36 mm(兼容DIN 6343 / DIN 6499)
孔形状三角形(等边),定制圆角半径R0.2-R0.5
棒料范围2.0 mm – 36 mm(对边距)
硬度HRC 58-60(芯部),HRC 60-62(表面)
跳动(TIR)内孔≤0.005 mm,3倍直径处≤0.008 mm
表面粗糙度内孔Ra 0.4 μm,锥面Ra 0.8 μm
槽宽0.8 mm ±0.01 mm,EDM线切割
最大转速8,000 RPM(G2.5级动平衡)
夹持力2.5 kN – 4.0 kN(2 mm偏转时)
交货期10-15个工作日(标准),5天(加急)
最小起订量无最小起订量 – 可订购1件测试

为何弹簧夹头在小批量生产中优于液压卡盘

液压卡盘换型需要20秒。我们的弹簧夹头使用C型扳手在5秒内即可完成更换。对于运行50件不同六角尺寸批次的加工车间,这每天节省2.5小时的换型时间。夹头本体由实心棒料CNC加工而成,因此每个单元完全一致——无焊缝或铸造气孔。

作为中国东莞的精密制造工厂,我们控制整个流程:CNC车削、铣削、热处理、磨削和最终检验。您不是从贸易商处购买,而是从制造实体的工厂直接购买。这种垂直整合使我们的单价较德国同类产品低15-20%,同时保持相同的公差等级。

每次发货前检验:气动量仪和三坐标测量报告

每个夹头在包装前都经过全面尺寸检查。我们使用气塞规测量内孔尺寸(分辨率0.0005 mm),并使用三坐标测量机(CMM)测量锥角和同心度。每份订单附带打印的检验报告,显示实际测量的跳动和硬度,而非批次证书。

我们还在专用夹具上测试回弹弹性。每个夹头在10次完全闭合后必须恢复到原始内孔尺寸,偏差在0.005 mm以内。如果失败,则报废——我们不对夹头进行返工。这就是我们20年出口中退货率低于0.2%的原因。

此夹头的最小起订量是多少?

无最小起订量——您可以订购1件试运行,10件起享批量折扣。

能否定制三角孔尺寸或圆角半径?

可以,我们加工对边距2 mm至36 mm的任何三角形尺寸,并可添加倒角或圆角半径以匹配您棒料的边缘状态。

发货前如何确保质量控制?

我们使用三坐标测量机和气动量仪对跳动、硬度和内孔尺寸进行100%检验,并通过电子邮件随货发送检验报告。

典型交货期和运费是多少?

标准交货期为10-15个工作日;加急订单5天内通过DHL或FedEx发货,运费按成本报价——无隐藏加价。

匹配您的机床主轴和拉管锥度

订购前,请确认您的主轴鼻端锥度。36型夹头具有30°包含角(每侧15°)和36 mm最大本体直径。大多数Citizen L系列和Star SR系列机床使用此标准。如果您的机床使用35 mm或38 mm锥度,我们可以加工适配套筒或按您的图纸磨削锥面。将主轴图纸发送给我们,我们将在一个工作日内确认适配性。

如需刀具寿命预测,请参阅我们的CNC刀具选择指南,为您的工件材料选择合适的刀片几何形状。如果您将公差控制在0.01 mm以下,我们的CNC加工公差指南解释了热膨胀和主轴跳动如何与夹头精度相互作用。

12小时内获取确定报价。将您的图纸或零件号发送至sc@bquq.com,或发送WhatsApp消息至+86 13713157787。我们将回复价格、交货期和夹头CAD模型供您验证。


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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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