Structured Manufacturing Data (2026)

Rotor/Stator Assembly

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Rotor/Stator Assembly used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Rotor/Stator Assembly is characterized by the integration of Rotor and Stator. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A critical electromechanical assembly within an X-ray tube that enables high-speed rotation of the anode target.

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Product Specifications

Technical details and manufacturing context for Rotor/Stator Assembly

Definition
The rotor/stator assembly is the core rotating mechanism in an X-ray tube, consisting of a stationary stator (electromagnetic coils) and a rotating rotor (typically containing the anode target). It creates a rotating magnetic field that spins the anode at high speeds (typically 3,000-10,000 RPM) to distribute heat and prevent localized overheating during X-ray generation.
Working Principle
The stator contains copper windings that, when energized with alternating current, create a rotating magnetic field. This field induces eddy currents in the rotor (which is typically made of copper or contains a copper sleeve), causing it to rotate via electromagnetic induction. The rotation spreads the electron beam impact over a larger area of the anode target.
Common Materials
Copper, Molybdenum, Tungsten, Stainless Steel
Technical Parameters
  • Rotational speed of the rotor assembly (RPM) Customizable
Components / BOM
  • Rotor
    Rotating component that holds the anode target and rotates within the stator's magnetic field
    Material: Copper or Copper-Molybdenum alloy
  • Stator
    Stationary electromagnetic coils that create the rotating magnetic field to drive the rotor
    Material: Copper windings with electrical insulation
  • Bearings
    Support the rotor shaft and enable smooth high-speed rotation with minimal friction
    Material: Stainless steel or specialized bearing materials

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Rotor/Stator Assembly.

X-ray tube rotor stator assembly high-speed anode rotation assembly medical imaging electromechanical components industrial X-ray tube rotor copper molybdenum tungsten stator

Applied To / Applications

This component is essential for the following industrial systems and equipment:

X-ray Tube
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar absolute (vacuum to slight positive pressure)
other spec: Max rotational speed: 10,000 RPM, Vibration limit: 5G, Electrical insulation: >100 MΩ at 500VDC
temperature: -20°C to 150°C (operating), -40°C to 180°C (storage)
Media Compatibility
✓ High vacuum environment (10^-6 Torr) ✓ Inert gas atmosphere (Argon/Nitrogen) ✓ Dry air with controlled humidity (<5% RH)
Unsuitable: Liquid immersion or high particulate environments (causes bearing failure and electrical arcing)
Sizing Data Required
  • Required anode target diameter and mass (determines rotational inertia)
  • X-ray tube operating voltage and power rating (affects thermal load)
  • Desired anode cooling method (determines heat dissipation requirements)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue and overheating
Cause: Inadequate lubrication, misalignment, excessive vibration, or contamination leading to premature bearing failure and thermal damage to rotor/stator components.
Winding insulation breakdown
Cause: Thermal cycling, moisture ingress, electrical overstress, or contamination causing insulation degradation, short circuits, or ground faults in stator windings.
Maintenance Indicators
  • Excessive vibration or unusual audible noise (e.g., grinding, humming) during operation
  • Overheating detected via thermal imaging or abnormal temperature rise in motor housing
Engineering Tips
  • Implement precision alignment and balancing during installation/repair, and establish a proactive lubrication program with correct grease type and intervals
  • Use condition monitoring (vibration analysis, thermography, motor current analysis) to detect early degradation and schedule maintenance before catastrophic failure

Compliance & Manufacturing Standards

Reference Standards
ISO 1940-1:2003 (Balance quality requirements for rotors in a constant rigid state) ANSI/EIA 364-100A (Electrical connectors - Rotor/stator interface testing) DIN 42955 (Tolerances for electrical machines - Rotating electrical machines)
Manufacturing Precision
  • Air gap concentricity: +/-0.05mm
  • Stator bore roundness: 0.025mm
Quality Inspection
  • High-potential (hipot) dielectric strength test
  • Vibration analysis per ISO 10816

Factories Producing Rotor/Stator Assembly

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a rotor/stator assembly in an X-ray tube?

The rotor/stator assembly enables high-speed rotation of the anode target within the X-ray tube, which is essential for dissipating heat and maintaining consistent X-ray output during medical imaging or industrial inspection procedures.

Why are materials like molybdenum and tungsten used in these assemblies?

Molybdenum and tungsten are selected for their exceptional thermal conductivity and high melting points, allowing the assembly to withstand extreme temperatures generated during X-ray operation while maintaining structural integrity and rotational precision.

How does the rotor/stator assembly impact X-ray tube performance and lifespan?

A precisely engineered rotor/stator assembly ensures smooth, vibration-free rotation at speeds up to 10,000 RPM, reducing wear on bearings and anode surfaces while preventing thermal damage—directly extending tube lifespan and maintaining consistent imaging quality.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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