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我国铁路货车车轮规模化生产发展历经40多年,产品趋于多样化,满足了不同时期的铁路运输需求,新产品新技术也在不断研制开发中。21 t 和25 t 轴重货车的 S 形辐板车轮,采用 LM 磨耗型踏面,设计上取消了车轮辐板孔,消除了应力集中带来的安全隐患。此外,对引进的国外铸钢车轮技术进行了优化设计,降低了车轮自重。近年来,具有完全自主知识产权的贝氏体钢车轮、新型珠光体钢重载车轮、新型超声波探伤、高洁净车轮钢工艺、车轮钢圆坯连铸工艺、抗早期剥离等一系列新材料、新技术在我国铁路贷车车轮技术中得到应用。
After more than 40 years of large-scale production and development of railway wagon wheels in our country, the products tend to be diversified to meet the railway transportation demand in different periods and the new products and new technologies are also under continuous research and development. 21 t and 25 t axle heavy truck S-shaped spoke wheels, using LM wear-type tread, the design of the wheel spoke plate holes, eliminating the stress concentration caused by security risks. In addition, the introduction of foreign cast steel wheel technology optimized design, reducing the wheel weight. In recent years, a series of new materials, such as bainitic steel wheels with completely independent intellectual property rights, new pearlite steel heavy-duty wheels, new ultrasonic flaw detection, high clean wheel steel technology, wheel steel round billet continuous casting process, The new technology has been applied in the railway wheel technology of our country.