Skilled Techniques: The Core of Modern Rail Grinding Technology

 Today’s rail grinding is no longer a rough operation; it is a precise science.

4.1 Profile grinding: This is the most advanced form of grinding. It is not simply smoothing but obtains the real-time profile of the rail through a laser measurement system based on the specific conditions of the line (such as curve radius, vehicle type), and compares it with the ideal target profile. The computer control system on the grinding train precisely commands the angle and pressure of each grinding stone, like a “digital sculptor”, re-carving the worn-out rail profile back to the optimal geometry to achieve the best wheel-rail fit.

4.2 Preventive grinding: Before obvious damage occurs to the rail, remove the thin layer of fatigue layer regularly. This “small amount, multiple times” strategy, with the minimum material removal, exchanges for the longest rail lifespan and the highest safety, is the most cost-effective maintenance strategy.

4.3 Restorative grinding: For sections with severe damage, it is carried out with a large grinding amount, aiming to quickly restore the basic state of the rail surface, and is a necessary means to ensure immediate safety.

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