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BQUQ数控加工自动车床18型圆孔弹簧夹头

这款18型夹头在您的主轴中发挥的作用 这是一款数控加工自动车床18型圆孔弹簧夹头。它可夹持3 mm至18 mm的圆棒料,前端跳动精度保证为0.005 mm TIR。夹持表面硬度为58 HRC,可承受连续1,500小时的高速车削。标准尺寸交期为7天,我们从东莞工厂发货,无起订量。 为什么18型圆孔夹持优于六角或方形夹头 圆孔在数控车床上一次装夹加工完成,然后研磨至0.002 mm的圆度公差。这意


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这款18型夹头在您的主轴中发挥的作用

这是一款数控加工自动车床18型圆孔弹簧夹头。它可夹持3 mm至18 mm的圆棒料,前端跳动精度保证为0.005 mm TIR。夹持表面硬度为58 HRC,可承受连续1,500小时的高速车削。标准尺寸交期为7天,我们从东莞工厂发货,无起订量。

为什么18型圆孔夹持优于六角或方形夹头

圆孔在数控车床上一次装夹加工完成,然后研磨至0.002 mm的圆度公差。这意味着无论棒料是3 mm还是18 mm,每个循环都能确保其精准对中。弹簧槽采用线切割而非铣削加工,因此圆周方向的弹性均匀一致。在80 psi气压下,夹紧力可重复达到4.2 kN,且不会在软黄铜或铝材上留下任何压痕。

我们用于18型夹头的材料与热处理工艺

我们采用8620合金钢,而非廉价的1045钢。本体经过渗碳处理,渗碳层深度为0.8 mm,然后淬硬至58–60 HRC。弹簧片在350°C下回火2小时,以保持弹性且不产生裂纹。内孔在淬火后进行珩磨,而非之前,因此最终圆度为0.002 mm。夹持区域的表面光洁度为Ra 0.4 µm,后端锥度研磨至1.5°,确保在主轴中精确就位。

自动车床18型圆孔弹簧夹头的精确规格

型号BQUQ-18RT(圆孔,弹簧型)
夹持范围3.0 mm – 18.0 mm(仅限圆棒料)
本体材料8620合金钢,渗碳处理
硬度58–60 HRC(渗碳层深度0.8 mm)
前端跳动0.005 mm TIR(最大)
内孔公差+0.005 / -0.000 mm
表面光洁度(夹持区域)Ra 0.4 µm
夹紧力80 psi气压下为4.2 kN
最高主轴转速6,000 RPM
交期标准7天,加急3天
起订量无起订量 – 可订购1件

每件发货前均进行检验 – 而非抽检

每只18型夹头均经过3步QC检验流程。首先,我们使用标准测试棒在TIR测量仪上测量跳动 – 若超过0.005 mm,即报废处理。其次,我们在内孔周围三个点使用洛氏硬度计检测硬度。第三,我们使用12 mm钢棒在80 psi气压下进行功能性夹持测试。您将收到一份带有零件号和实测值的签名检验报告,而非合格证书。

此夹头如何安装到您的自动车床主轴上

后端锥度研磨为30°夹角,与Tornos、Citizen和Star等标准自动车床主轴匹配。法兰端面与内孔的垂直度在0.003 mm以内,因此更换夹头时无需重新找正。端面上钻有并攻丝两个M6拉紧孔,用于快速释放工具。如果您的主轴使用不同的锥度,我们可在3天内加工定制座 – 只需发送您的主轴图纸即可。

表面处理与润滑,延长弹簧寿命

我们在研磨后对本体进行磷化处理,以防止生锈并减少弹簧片之间的摩擦。弹簧槽使用400目油石手工去毛刺,因此不存在导致疲劳裂纹的应力集中点。我们建议每班前在内孔上涂覆一层薄油膜 – 根据我们的内部循环测试,这可将弹簧爪的磨损降低30%。仅使用油,不要使用润滑脂,因为润滑脂会夹带切屑。

FAQ:工程师在订购18型夹头前常问的问题

这款夹头真的没有起订量吗?

是的,无起订量 – 我们可单件发货用于打样或替换,且单价在50件以内保持不变。

你们可以修改内孔尺寸或锥度以适应我的机床吗?

可以,我们可以研磨3 mm至18 mm之间的任意内孔直径,如果您发送带有角度和座深的主轴图纸,我们也可以加工定制后端锥度。

你们对每只夹头执行哪些质量控制?

每件产品均进行完整的TIR跳动测试、3点硬度检测以及80 psi气压下的功能性夹持测试 – 检验报告随货附送。

如果急需,实际交期是多久?

标准尺寸7天发货,加急订单3天,定制锥度需5天;我们从东莞通过DHL或FedEx出口。

为什么我们的18型夹头比进口日本夹头更耐用

我们与一家日本主要品牌进行了并排磨损测试。在4,000 RPM转速下运行500,000次循环后,我们的跳动增加了0.001 mm;而竞争对手增加了0.007 mm。差异在于8620钢和淬火后珩磨工艺 – 大多数制造商在淬火前研磨,这会导致内孔变形。我们在淬火后研磨,因此几何精度得以保持。这就是BQUQ为您带来的精密制造品质,中国制造,品质与任何高端品牌相当,成本却低40%。

为您的棒料直径选择合适的夹头

如果一台机床上加工多种直径,请订购两只夹头 – 一只3–10 mm,一只10–18 mm – 可在2分钟内完成更换。对于不锈钢或钛棒料,请将气压增加5%以补偿更高的刚性。如果您不确定所需材料的夹持力,请参阅我们的CNC刀具选择指南中的夹紧力计算器。关于公差累积问题,我们的CNC加工公差指南解释了跳动如何影响您的零件尺寸。

12小时内获得确定报价 – 发送您的图纸

将您的主轴图纸或棒料直径发送至sc@bquq.com,我们将在12小时内回复确定的价格和交期(在中国工作时间通常更快)。偏好WhatsApp?请发送消息至+86 13713157787并附上您当前夹头的照片。我们将在报价前确认锥度角和内孔尺寸。无起订量,标准修改不收取工程费用,我们从东莞工厂发货至全球。今天就发送您的图纸 – 您的报价正在等待中。


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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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