Structured Manufacturing Data (2026)

Medical X-Ray Tube Anode Assembly

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Medical X-Ray Tube Anode Assembly used in the Manufacture of Irradiation, Electromedical and Electrotherapeutic Equipment sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Medical X-Ray Tube Anode Assembly is characterized by the integration of Tungsten-Rhenium Target Disk and Molybdenum Stem. In industrial production environments, manufacturers listed on CNFX commonly emphasize Tungsten-Rhenium Alloy construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Rotating anode assembly for medical X-ray tube heat dissipation and electron bombardment

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Product Specifications

Technical details and manufacturing context for Medical X-Ray Tube Anode Assembly

Definition
A critical rotating component within medical X-ray tubes that serves as the target for electron bombardment to generate X-rays. This assembly consists of a high-speed rotating anode disk mounted on a molybdenum stem with a copper rotor, designed to distribute heat across a larger surface area to prevent localized overheating. It enables higher power output and longer tube life by efficiently managing thermal loads during radiographic imaging procedures. The assembly's precise rotation and thermal characteristics directly impact image quality and equipment reliability in diagnostic and therapeutic applications.
Working Principle
Electrons from the cathode strike the rotating tungsten-rhenium alloy target surface on the anode disk, generating X-rays through bremsstrahlung radiation while centrifugal force spreads heat across the rotating surface to prevent melting.
Common Materials
Tungsten-Rhenium Alloy, Molybdenum, Copper, Graphite
Technical Parameters
  • Anode disk diameter (mm) Per Request
  • Maximum rotational speed (rpm) Per Request
Components / BOM
  • Tungsten-Rhenium Target Disk
    Primary X-ray generation surface through electron bombardment
    Material: Tungsten-Rhenium alloy (90-95% W, 5-10% Re)
  • Molybdenum Stem Part
    Structural support and thermal conduction between disk and rotor
    Material: Pure molybdenum or molybdenum alloy
  • Copper Rotor Part
    Induction motor component for high-speed rotation
    Material: High-purity oxygen-free copper
  • Graphite Backing Optional Part
    Thermal storage and heat distribution layer
    Material: High-density graphite
  • Bearing Assembly
    Low-friction rotation mechanism with lubrication system
    Material: Stainless steel with ceramic balls

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Medical X-Ray Tube Anode Assembly.

X-ray tube rotating target Medical X-ray anode rotor Rotating anode assembly X-ray tube target assembly medical X-ray tube rotating anode assembly tungsten-rhenium alloy anode target X-ray tube anode heat dissipation medical imaging anode bearing assembly high-speed rotating anode for X-ray

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: High vacuum (10^-4 to 10^-7 Pa) required for operation
other spec: Maximum rotational speed: 3000-10000 RPM (depending on design), Heat dissipation capacity: 1-5 kW (continuous), Electron bombardment energy: 20-150 keV
temperature: Ambient to 1500°C (anode surface during operation)
Media Compatibility
✓ High vacuum environment ✓ Medical X-ray tube housing (typically stainless steel or copper) ✓ Molybdenum or tungsten anode materials
Unsuitable: Atmospheric pressure or non-vacuum environments (causes arcing and rapid oxidation)
Sizing Data Required
  • Required X-ray tube power rating (kW)
  • Target focal spot size (mm)
  • Required anode rotational speed (RPM) for heat dissipation

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Anode target overheating and cracking
Cause: Excessive heat accumulation due to prolonged high-power exposures, insufficient cooling system performance, or improper thermal management protocols leading to thermal stress and material fatigue.
Bearing lubrication degradation and seizure
Cause: High-temperature operation causing lubricant breakdown, contamination from vacuum system outgassing, or mechanical wear particles leading to increased friction, overheating, and eventual rotational failure.
Maintenance Indicators
  • Audible high-pitched whining or grinding noises during rotation indicating bearing wear or imbalance
  • Visible arcing or sparking inside tube housing during operation suggesting vacuum degradation or anode surface damage
Engineering Tips
  • Implement strict thermal cycling protocols with adequate cool-down periods between high-power exposures to prevent thermal shock and extend anode target life
  • Establish regular vacuum integrity monitoring and conditioning schedules, including proper tube warm-up procedures before high-voltage operation to minimize outgassing and maintain optimal lubrication environment

Compliance & Manufacturing Standards

Reference Standards
ISO 16526-3:2011 - Non-destructive testing - Measurement and evaluation of the X-ray tube voltage IEC 60601-2-28:2017 - Medical electrical equipment - Part 2-28: Particular requirements for the basic safety and essential performance of X-ray tube assemblies for medical diagnosis ASTM E1254-22 - Standard Guide for Storage of Radiographs and Unexposed Industrial Radiographic Films
Manufacturing Precision
  • Anode bore concentricity: ±0.015 mm
  • Anode surface flatness: 0.05 mm across 100 mm diameter
Quality Inspection
  • High-voltage leakage test at 125% rated voltage
  • Thermal imaging analysis under load to verify heat dissipation uniformity

Factories Producing Medical X-Ray Tube Anode 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.

Frequently Asked Questions

What are the key benefits of the Tungsten-Rhenium alloy in this anode assembly?

The Tungsten-Rhenium alloy provides superior thermal conductivity, high melting point, and excellent resistance to electron bombardment, ensuring longer tube life and consistent X-ray output in medical imaging applications.

How does the rotating anode design improve X-ray tube performance?

The rotating anode spreads heat over a larger surface area during electron bombardment, significantly increasing thermal capacity and allowing for higher power exposures and shorter cooling times in medical diagnostic procedures.

What maintenance considerations are important for this anode assembly?

Regular bearing lubrication monitoring, thermal cycle management, and proper vacuum maintenance are crucial. The graphite backing and molybdenum stem require inspection for thermal stress and wear during scheduled service intervals.

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 Manufacture of Irradiation, Electromedical and Electrotherapeutic Equipment.

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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