X-ray Insights: Understanding Equipment Types, Parameters, and Image Quality


What are the types of X-ray tubes available?2024-05-29T03:04:10+00:00

There are two main types of X-ray tubes:

  1. Open X-ray tube (open tube):
    • Characteristics:
      • Expensive upfront cost.
      • Requires regular maintenance.
      • Self-calibration capability.
      • Consumables include filaments and targets.
      • X-rays are transmitted through the target.
  2. Conventional enclosed radiographic tube (closed tube):
    • Characteristics:
      • Lower initial cost compared to open tubes.
      • Maintenance-free.
      • Tube lifespan typically around 5000 hours, after which replacement is necessary.
      • Aging may lead to increased focus and image blurring.
      • Consumables include the tubes themselves.
      • X-rays emitted via refraction.
What are the major parameters of an X-ray inspection machine?2024-05-29T03:06:05+00:00

The primary parameters of an X-ray inspection machine for automotive applications include:

  1. Magnification:
    • Geometric and optical magnification.
    • Digital enlargement via computer for detailed observation.
  2. Manipulator:
    • Anti-collision design.
    • Higher precision with more shafts.
    • 360-degree plane rotation.
    • Sample holder.
  3. Radiation Protection:
    • Compliance with international standards for radiation leakage (typically less than 1µSv/hr).
What are the X-ray tube parameters for an X-ray machine?2024-05-29T03:07:06+00:00

Key parameters for X-ray tubes in an X-ray machine include:

  • Voltage in kV
  • Tube current and tube power
  • Target current and target power
  • Relationship between tube power and target power
  • Target current measurement
  • Focus port size
  • Spatial resolution
  • Focal size vs geometric shading
  • Feature resolution
  • Detail detectability of the system
What aspects determine the image quality of an X-ray machine?2024-05-29T03:13:59+00:00

Image quality is influenced by several factors, including:

  • Parameters of the X-ray tube such as spatial resolution, target current, detail detectability, and focus port size.
  • The detector used.
  • Geometric magnification.


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