全球首款4000吨全地面起重机回转支承轴承问世

Core Insights - The Wazhou Group has successfully developed the world's first core component for a 4000-ton all-terrain crane, which is an ultra-large rotary support bearing, marking a significant breakthrough in China's core basic components for super-large engineering machinery and elevating its international standing [1] - The demand for traditional cranes has diminished as the wind power industry upgrades to 8 megawatt (MW) and above power units, necessitating innovative solutions for the safe and efficient lifting of large wind turbines [1] - The newly developed rotary support bearing is currently the only domestic core component capable of meeting the lifting needs of all onshore large wind turbines of 8 MW and above, positioning it as a key support for future wind power lifting main models [1] Company Developments - The first batch of ultra-large rotary support bearings began delivery in February of this year, successfully meeting customer site testing requirements, with four batches already supplied [1] - The successful development of this project has significantly enhanced Wazhou Group's capability in researching and developing large-ton rotary support bearings, while also accumulating design and manufacturing experience for such products [1] - Wazhou Group aims to continue driving innovation and advancing the bearing industry into higher-end fields, contributing to the high-quality development of the national industry [1]