行业组件数据 · 2026

转子轴

繁體:轉子軸

X射线管转子组件中的高精度旋转轴,支撑并高速旋转阳极靶。

技术定义与适配语境
典型 转子轴 会按材料、尺寸公差、适配关系和失效风险在 计算机、电子和光学产品制造 中评估。

一种高精度旋转轴部件,构成X射线管转子组件的中心结构元件,设计用于支撑阳极靶并以高速(通常为3,000-10,000 RPM)旋转,同时在X射线管壳体内保持真空完整性和热稳定性。 转子轴通过电磁感应将定子绕组的电能转换为旋转动能,实现阳极靶的连续高速旋转,以分散热负荷并防止X射线产生过程中的局部过热。

组件规格

定义
一种高精度旋转轴部件,构成X射线管转子组件的中心结构元件,设计用于支撑阳极靶并以高速(通常为3,000-10,000 RPM)旋转,同时在X射线管壳体内保持真空完整性和热稳定性。

转子轴通过电磁感应将定子绕组的电能转换为旋转动能,实现阳极靶的连续高速旋转,以分散热负荷并防止X射线产生过程中的局部过热。
工作原理
The rotor shaft converts electrical energy from the stator windings into rotational kinetic energy through electromagnetic induction, enabling continuous high-speed rotation of the anode target to distribute thermal load and prevent localized overheating during X-ray generation.
材料
高温合金钢(通常为AISI 4340或类似材料)带有钼或钨合金轴承表面、真空兼容涂层并与相邻部件进行热膨胀匹配。
Length
150–300mm
Diameter
20–50mm
Surface Finish
0.2–0.4µm Ra
Rotational Speed
3000–10000rpm
Runout Tolerance
0.005–0.02mm TIR
Vacuum Compatibility
1e-6–1e-9mbar
Operating Temperature
200–400°C
Temperature
200–400 °C
Rotational Speed
3000–10000 rpm
Vacuum Level
1e-6–1e-9 mbar
标准
ISO 1302ISO 1101ISO 21360

行业分类与别名

转子轴 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Inadequate thermal expansion design->Shaft binding or seizure during operation->Implement thermal expansion analysis and use materials with matched coefficients of thermal expansion
Bearing surface wear or contamination->Increased vibration and reduced rotational accuracy->Use hardened bearing surfaces, implement cleanroom assembly, and establish preventive maintenance schedules
Material fatigue from high-cycle rotation->Shaft fracture or catastrophic failure->Apply fatigue analysis during design, implement non-destructive testing, and establish replacement intervals based on operational hours

工业生态与工程逻辑

0
Bearing failure due to thermal stress
1
Vacuum leakage through shaft seals
2
Fatigue cracking from high-cycle rotation
3
Magnetic interference with imaging quality
4
Thermal expansion mismatch causing binding

合规与检测

tolerance
±0.002 mm diameter, ±0.005 mm runout, angular alignment < 0.01°
test method
Coordinate measuring machine (CMM) verification, dynamic balancing testing, vacuum leak testing, thermal cycling validation

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制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of the rotor shaft in an X-ray tube?

The rotor shaft provides the mechanical connection between the stator's electromagnetic field and the anode target, enabling high-speed rotation to distribute heat evenly across the anode surface during X-ray production.

Why are vacuum compatibility and thermal stability critical for rotor shafts?

X-ray tubes operate under high vacuum to prevent electrical arcing and maintain electron beam integrity. The rotor shaft must maintain dimensional stability and material properties under vacuum conditions while withstanding thermal cycling from room temperature to several hundred degrees Celsius.

What maintenance considerations apply to rotor shafts?

Regular inspection for bearing wear, runout measurement, and vacuum integrity testing are essential. Lubrication is typically not required as most systems use dry or self-lubricating bearings compatible with vacuum environments.

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请求制造能力信息: 转子轴

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