Altair solutions enable X-Plast to improve a structural part for Knorr-Bremse Rail Systems. Owing to its low environmental impact, rail is one of the most sustainable means of transportation. To ensure a safe and reliable operation of railway components for more than 30 years these parts have to be strong and durable to meet the many requirements. They must withstand extreme temperature and climate conditions, as well as vibrations and high mechanical loads, even impact from stones.