Rail Bolt Hole Inspection with Prisma and X5

Inspection of bolt holes in rail is a common application that detects cracking caused by expansion and vibration.

prisma X5 rail bolt inspection

These cracks originate from the bolt hole and then spread out, which can cause the rail ends to eventually come apart. The most commonly used method for this inspection is conventional ultrasound, the inspector must use a variety of transducers and a different offset point for each hole.

This application note will investigate the use of phased array ultrasonics to perform bolt hole inspection reliably and speed up the time taken.


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