Railway vehicle brake disc additive remanufacturing process optimization method and system

By analyzing the material properties of the brake disc substrate of rail vehicles and monitoring the morphology of the molten pool solidification front, the additive remanufacturing process parameters were identified and optimized. This solved the problem of local thermal anomalies in the molten pool caused by uneven laser energy distribution and differences in substrate structure, thereby improving the quality and energy consumption stability of the remanufactured layer.

CN122245566APending Publication Date: 2026-06-19ZEGAO XINZHIZAO (GUANGDONG) TECH CO LTD +2
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZEGAO XINZHIZAO (GUANGDONG) TECH CO LTD
Filing Date
2026-05-20
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

In the existing technology, during the additive remanufacturing process of rail vehicle brake discs, uneven laser energy distribution and differences in matrix structure lead to abnormal local thermal history of the molten pool, affecting the quality, manufacturing precision and energy consumption stability of the remanufactured layer.

Method used

By analyzing the material properties of the brake disc substrate for rail vehicles, its microstructure and local hardness data are obtained. Combined with real-time monitoring of the solidification front morphology of the molten pool, laser-induced ultrasonic spectroscopy analysis and image processing technology are used to identify molten pool anomalies and optimize the additive remanufacturing process parameters.

Benefits of technology

It enables real-time monitoring and precise optimization of the brake disc additive remanufacturing process, improves the quality and manufacturing precision of the remanufactured layer, optimizes energy consumption, and solves the problems of unstable quality and difficulty in energy consumption control in existing technologies.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122245566A_ABST
    Figure CN122245566A_ABST
Patent Text Reader

Abstract

This invention belongs to the field of additive remanufacturing technology, specifically relating to an optimization method and system for the additive remanufacturing process of brake discs for rail vehicles. The method analyzes the material properties of the brake disc substrate to obtain material property data, monitors the solidification front morphology of the molten pool in real time during the additive remanufacturing process, analyzes and infers the differences between the solidification morphology of the substrate and the molten pool based on these two sets of data, and optimizes and adjusts the additive remanufacturing process parameters according to the inference results. By accurately identifying the material properties of the substrate and combining real-time monitoring of the molten pool solidification front, this application can deeply analyze the underlying causes of local thermal anomalies in the molten pool, identify and correct specific problems such as insufficient or excessive laser energy, uneven laser spot energy distribution, or abnormal scanning paths, thereby achieving precise optimization and adjustment of the additive remanufacturing process parameters, providing a reliable and efficient solution for the additive remanufacturing of rail vehicle brake discs.
Need to check novelty before this filing date? Find Prior Art