Tire inspection with industrial X-ray and CT systems

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X-ray based tire inspection


X-ray based tire inspection is the standard inspection method during tire production.

The construction design of a tire is so complex that fluctuations within the production process can influence the quality of the manufactured tire dramatically. That is why  X-ray tire inspection systems have been deployed successfully for decades in spot-check sample tire inspection and in 100% tire inspection during production.
Typical X-ray inspection tasks in the tire industry include the (mis)alignment of individual belt layers, steel cord positions, cord spacings within the casing, detecting air pockets or pockets containing foreign substances, or checking whether symmetry is being maintained within tire construction.
The demands placed on the image quality of the tire inspection itself are high, which is why the qualifications of X-ray systems for tire inspection are subject to standardized testing procedures such as ASTM F 1035. All YXLON tire inspection systems readily fulfill the customary norms, regardless of whether passenger-vehicle,
truck or OTR tires are to be inspected.

tire inspection with X-ray

X-ray image during tire inspection of chafer alignment X-ray image during tire inspection of defective steel cord layer in tire X-ray image during tire inspection of cord spacing within the casing of the tire
Chafer alignment
Steel cord layer
Cord spacing within the casing

Computed Tomography (CT) is gaining increasing significance during the development and testing phases of tires. With the help of CT and under certain inspections conditions the position of steel and textile inlays in tires can be depicted. In addition the distribution of various rubber composites across a tire cross-section is possible. Computed Tomography furthermore enables measurement of both inner and outer geometries from the tire and the wheel. A comparison of the information gained via CT with construction-design data supplies valuable indications for the production process of tires. Significant conclusions for further development stages are also drawn from the transfer of CT data in simulations, for instance in the study of distortion behavior exhibited by finished tires under defined load conditions. In a load-application unit, various forces can be applied to the tire while the tire is being tomographed. YXLON offers a wide-ranging portfolio of CT systems coordinated to match the respective requirements.

Inspection of tires with Computed Tomography (CT)

CT volumetric image of tire segmentation of steel inlays in the CT image of a tire CT image of tire in cross section
Volumetric image of tire
Segmentation of steel
inlays
Image of tire in cross-
section

   
 
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