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BQUQ CNC加工泵叶轮 | 中国精密制造

您将获得:跳动量0.02 mm的平衡泵叶轮 这是一款CNC加工泵叶轮,由实心棒料或坯料切割而成,而非铸造。优势显而易见:叶片轮廓可保持±0.005 mm公差和0.02 mm总跳动量。这意味着更低的振动、更长的密封寿命和更高的泵效率。我们标准交期为15天,硬度最高可达45 HRC,适用于磨蚀性流体。 为何我们采用实心棒料切割叶轮而非铸造 铸造叶轮存在内部气孔和叶片厚度不均的问题。我们采


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您将获得:跳动量0.02 mm的平衡泵叶轮

这是一款CNC加工泵叶轮,由实心棒料或坯料切割而成,而非铸造。优势显而易见:叶片轮廓可保持±0.005 mm公差和0.02 mm总跳动量。这意味着更低的振动、更长的密封寿命和更高的泵效率。我们标准交期为15天,硬度最高可达45 HRC,适用于磨蚀性流体。

为何我们采用实心棒料切割叶轮而非铸造

铸造叶轮存在内部气孔和叶片厚度不均的问题。我们采用6061-T6铝、316L不锈钢或双相2205进行加工。刀具路径采用螺旋粗加工序列去除材料,然后进行0.2 mm精加工走刀。结果:叶片表面Ra 0.8 µm,无拔模角,无隐藏空洞。您设计3D轮廓,我们严格按模型加工,而非按模具。

五轴加工应对扭曲叶片和紧凑出口角

大多数泵叶轮具有扭曲叶片,三轴铣床无法在不重新装夹的情况下触及。我们采用五轴联动加工。这意味着刀具可倾斜,以保持叶片压力面和吸力面上恒定的切屑载荷。我们可加工陡至15度的出口角,且不留刀痕线。对于闭式叶轮,我们使用定制短刃立铣刀,配备0.5 mm圆角半径,以进入护罩间隙。

平衡与跳动:抑制气蚀的关键数据

不平衡的叶轮会导致轴疲劳和密封磨损。我们对每件直径超过100 mm的叶轮进行双平面动平衡。限值为ISO 1940-1规定的G2.5,相当于轮毂孔处0.02 mm跳动量。对于高速泵(超过3000 RPM),我们提供G1.0平衡作为标准选项。我们还在加工后对轮毂孔进行磨削至H7配合,确保轴安装的重复性。

适用于磨蚀或腐蚀工况的材料与热处理

对于清水,6061-T6铝即可满足要求。对于海水,我们使用316L或超级双相2507。对于渣浆泵,我们采用17-4 PH不锈钢加工,然后热处理至45 HRC。硬质涂层选项包括化学镀镍(50 µm)和碳化钨喷涂(300 µm),适用于含砂流体。我们不铸造,因此您可获得完整的锻轧材料密度——无微孔、无夹砂。

每次发货前检测:CMM与流量测试数据

每件叶轮均经过蔡司CMM三坐标测量机检测,配备0.5 µm测针。我们检查每片叶片的10个厚度点、轮毂孔直径和端面跳动。对于关键工件,我们提供包含实际测量值的书面报告。我们还对不锈钢零件进行着色渗透检测,确认无表面裂纹。您获得的是数据文件,而不仅仅是证书。

交期与运输:标准15天,加急7天

标准交期为图纸确认后15个工作日。对于最多50件的加急订单,我们可在7天内完成,收取20%加急费。小批量通过DHL或FedEx运输,超过200 kg则采用海运。每件叶轮均用VCI防锈纸包裹并装入泡沫箱——运输过程中无裸金属接触。我们还在轮毂孔内部激光蚀刻批次号进行标记。

规格参数数值/范围
可用材料6061-T6铝、316L不锈钢、17-4 PH、双相2205、超级双相2507
叶轮直径20 mm – 500 mm
叶片厚度0.8 mm – 30 mm(按设计)
硬度(热处理后)最高45 HRC(17-4 PH H900)
加工公差孔和叶片轮廓±0.005 mm
表面粗糙度Ra标准0.8 µm,可要求0.4 µm
总跳动量(轮毂孔与叶片)标准0.02 mm,可要求0.01 mm
动平衡ISO 1940-1 G2.5,可选G1.0
交期(标准)15个工作日
起订量无起订量——单件可接受

你们有最小起订量要求吗?

无起订量——我们可加工单件原型叶轮供测试,确认后再批量生产。

你们能否根据STEP文件加工我的定制叶片轮廓?

可以,发送任何STEP、IGES或Parasolid文件;我们的工程师会检查刀具可达性,如果叶片角度超过15度,会建议修改刀具路径。

发货前你们如何验证叶轮在公差范围内?

我们使用蔡司CMM测量叶片厚度、孔径和跳动量,并随每次发货附上测量报告。

小批量最快交期是多少?

对于最多50件,我们可在7个工作日内发货(收取加急费),但标准15天交期更有利于保持全面的质量检测。

选择合适的刀具是成功的一半——阅读我们的CNC刀具选择指南,了解我们如何避免薄叶片加工中的振颤。如需全面了解±0.005 mm的实际含义,请参阅我们的CNC加工公差详解指南

将您的叶轮图纸发送至sc@bquq.com或WhatsApp +86 13713157787。我们将在12小时内回复固定报价和DFM反馈。无起订量、无隐藏刀具费用,只有来自中国的精密制造。


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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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