From the construction site of the Shougang Key Project, Qinhuangdao Plate Co., Ltd., the plate expansion project has been successfully delivered to the site. The hot rolling test on the plate rolling mill line was a great success, with both main rolling mill motors of the entire production line operating smoothly. Due to stable performance and excellent technical indicators, the product fully meets user requirements and has received high praise from clients. This 3800KW large DC motor was successfully manufactured by the Shougang Motor Factory, marking a significant breakthrough as it enters a new field in large-scale DC motor production.
The two large DC motors produced by the factory are not only massive in size but also involve complex manufacturing processes and require high-precision assembly. Each unit weighs over 130 tons. Facing unprecedented challenges, the factory recognized both its own equipment advantages and the gaps in its technological capabilities compared to industry standards.
With innovative and practical thinking, the factory has significantly enhanced its independent innovation capabilities. It has recruited more than 30 experts and professors from the industry, introduced advanced manufacturing management systems, and combined internal strengths with external expertise. For the first time, the rotor shaft was applied in motor manufacturing, while new technologies such as frozen pairing, stator floating plate lamination, and elevated three-stage wood pole welding were implemented. These efforts enabled the factory to complete the entire machine manufacturing task in just 10 months, meeting high-quality and high-standard requirements. Practical tests have proven that the motor exhibits excellent performance under load and overload conditions, laying a solid foundation for long-term development in motor manufacturing.
It is reported that the factory has recently taken on the production of four 4,500KW and two 1,400KW large DC motors, indicating that the factory has entered a new stage of rapid development in large motor manufacturing.
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