CR and DR are both digital technologies for industrial radiography, but they serve different needs in terms of productivity, part geometry, budget, robustness and process integration.
The right choice should not start from equipment price alone. It should start from the component, inspection volume, applicable standards and how radiographic results will enter the quality workflow.
What changes in the workflow
Computed Radiography uses reusable imaging plates: after exposure, the plate is scanned and converted into a digital image. Digital Radiography captures the image directly with a detector, making the result available much faster.
| Criterion | CR | DR |
|---|---|---|
| Acquisition | Imaging plate + scanner | Direct digital detector |
| Speed | Good, with scanning step | Very high, suitable for repeatable cycles |
| Complex geometries | More flexible with plates/cassettes | Depends on detector size and rigidity |
| Initial investment | Often more accessible | Generally higher |
| Automation | Possible, but less immediate | Strong fit for cells and digital workflows |
When CR can be the most sensible choice
- components with variable or irregular geometry;
- gradual migration from film to digital workflow;
- service, maintenance or variable inspection work;
- need for more flexible cassette or plate formats.
When DR becomes stronger
- high volumes or repetitive inspections;
- need for near-immediate feedback;
- integration with quality software, automatic reports and traceability;
- radiography cabinets, production environments or semi-automated inspection.
The point often underestimated
Final image quality does not depend only on CR or DR. X-ray source, energy, focal spot, distance, shielding, IQI, software, monitor, procedure, qualified personnel and acceptance criteria all matter.
How to structure the decision
- define material, thickness and defects to detect;
- estimate inspection volumes and target cycle time;
- evaluate component geometry and accessibility;
- check applicable standards and customer requirements;
- compare total cost: consumables, maintenance, training, software, archiving and productivity.
PITECH can support a neutral technical-commercial assessment, comparing application, process and budget before proposing the most coherent technology.