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The preferred method for preventing fatigue crack issues in rail bolt holes and extending their service life.
The technique is superior to any other method of cold working bolt holes out there. This is because the process generates a more controllable distribution of compressive stress around a hole and through the bore, without damaging the integrity of the hole. Fatigue test data comparing as-drilled holes with cold expanded holes revealed that the cold expanded holes performed better in improving the fatigue life.
How we can support you with the process
If you choose to purchase our RailTec Cold Hole Expansion (CBX) kit, our qualified staff will provide you with hands-on on-site training and guidance on how to install it. We can train both national and international clients. Whoever is installing the RailTec CBX technology will need to hold the appropriate certification from FTI in order to use the system. Please contact us for more information.