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BQUQ数控加工自动车床55型圆孔弹簧夹头卡盘

这款卡盘一句话概述:适用于最大55 mm棒料的无滑动夹持 这是一款数控加工自动车床55型圆孔弹簧夹头卡盘,专为走心式或自动车床的高速棒料进给和二次加工而设计。它可夹持直径3 mm至55 mm的圆棒料,前端跳动精度保证为0.005 mm TIR(总指示读数),内孔表面粗糙度达Ra 0.4 µm。夹持力可重复性为80–120 N·m,夹持面硬度为58–60 HRC,定制尺寸标准交货期为15个工作日


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这款卡盘一句话概述:适用于最大55 mm棒料的无滑动夹持

这是一款数控加工自动车床55型圆孔弹簧夹头卡盘,专为走心式或自动车床的高速棒料进给和二次加工而设计。它可夹持直径3 mm至55 mm的圆棒料,前端跳动精度保证为0.005 mm TIR(总指示读数),内孔表面粗糙度达Ra 0.4 µm。夹持力可重复性为80–120 N·m,夹持面硬度为58–60 HRC,定制尺寸标准交货期为15个工作日。无需垫片、无需调整——只需插入棒料、夹紧、切削即可。

为什么圆孔设计优于锯齿嵌件(针对薄壁管件)

锯齿夹头会压碎薄壁管材并在成品轴上留下痕迹。我们的圆孔设计将夹持力均匀分布在360度范围内。内孔在热处理后磨削(而非热处理前),消除了变形问题。对于壁厚1 mm的20 mm管材,夹紧后椭圆度将小于0.01 mm。这就是精密制造工程师为液压接头、传感器外壳和医疗器械部件选用此卡盘的原因。

材料选择:20CrMnTi与9SiCr——为何我们默认选用20CrMnTi

我们采用20CrMnTi合金钢制造本体,9SiCr制造夹头爪片。20CrMnTi渗碳深度0.8–1.2 mm,表面硬度达58–60 HRC,芯部韧性硬度为35–40 HRC。9SiCr爪片经淬火回火处理至60–62 HRC,以保证耐磨性。这种组合可防止卡盘在高达6,000 rpm的重复高速夹紧循环下开裂。如果您需要不锈钢或Inconel合金材质,我们可按要求加工,但交货期将延长至20天。

弹簧机构:12条槽、磨削边缘、50万次循环疲劳寿命

夹头具有12条精密切割槽,而非6条或8条。更多槽数意味着更小的单爪偏转和更好的同心度。我们采用线切割开槽,然后手工去毛刺并将每条边缘磨削至0.05 mm圆角半径。弹簧回火温度设定为420 °C,保温2小时,疲劳寿命达50万次开合循环而夹持力不衰减。每批次发货前均经过10万次循环测试——如果夹头提前失效,我们将免费更换。

可围绕设计的尺寸规格与公差

以下是完整机械数据表。所有数值均在22 °C、45%湿度条件下使用校准的三丰三坐标测量机测量。

参数数值
夹头类型55型圆孔弹簧夹头
夹持范围(圆棒料)3 mm – 55 mm
本体材料20CrMnTi(渗碳)
爪片材料9SiCr(淬硬)
表面硬度58–60 HRC(本体),60–62 HRC(爪片)
跳动(前端TIR)最大0.005 mm
内孔表面粗糙度Ra 0.4 µm
夹紧扭矩范围80–120 N·m
最大主轴转速6,000 rpm
交货期(标准)15个工作日
最小起订量无最小起订量——单件可订

每次发货前100%全检——非抽检

我们不采用AQL抽样检验。每一个卡盘均经过5点检测:(1) 前端硬度测试,(2) 使用内径千分尺测量内孔直径,(3) 在精密心轴上测量TIR跳动,(4) 使用粗糙度仪测量表面粗糙度,(5) 在3,000 rpm转速下进行功能性开合测试。最终检测报告随货物通过电子邮件发送给您。如果任何数值超出上表范围,该零件将被报废——而非返工。这是我们东莞工厂所有精密制造的标准流程。

定制内孔尺寸是否有最小起订量?

无最小起订量——您可以订购单件定制内孔卡盘,我们将在15个工作日内按您的图纸加工完成。

能否将卡盘改装为非圆形型材,如六角或方棒?

可以,我们可以将内孔线切割为六角、方形或键槽型面,但圆孔版本提供最佳跳动精度——0.005 mm TIR,而异形内孔为0.01 mm。

如何确保500件批量订单的质量控制?

每件卡盘均采用相同的100%全检流程,我们提供包含20CrMnTi和9SiCr钢材炉批号的材料可追溯性证书。

如果我急需200件,实际交货期是多少?

对于200件标准55型圆孔卡盘,我们在20个工作日内发货;对于定制内孔,需增加5天用于工装准备。

如何在12小时内获得正式报价(即使只订1件)

发送您的图纸或简单草图,注明内孔尺寸、棒料直径和主轴型号。我们的工程师将在12小时内回复,提供正式价格、准确交货期以及DFM(可制造性设计)建议(如发现风险)。如需更快响应,请附上您的目标公差和年用量。我们是一家拥有20年数控加工经验的中国工厂,通过DHL或FedEx全球发货。将图纸发送至sc@bquq.com或通过WhatsApp联系+86 13713157787。有关切削参数,请参阅我们的数控切削刀具选型指南;有关公差累积建议,请阅读数控加工公差详解指南


相关产品

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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