Interview

Smart manufacturing makes China's high-speed rail go farther

Seetao 2022-08-16 14:44
  • Deng Hongjian witnessed and participated in the role change of China's high-speed rail from a chaser to a leader
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4 Minutes

At the beginning of August 2022, the first high-speed EMU exported from China overseas with a speed of 350 kilometers per hour, the Yawan high-speed EMU, rolled off the assembly line in Qingdao. Smart Manufacturing.

Deng Hongjian: This train will be shipped to Indonesia soon. Our technical team is mainly responsible for the production and manufacture of the most critical parts of the train, the bogie part, which is responsible for the traction and braking of the whole train. We complete the whole process through intelligent manufacturing. Production of bogies.

Speaking of intelligent manufacturing, Deng Hongjian looks proud. On his desk, there is an old flashlight and a piece of steel. Deng Hongjian said that these two old objects used to be necessary tools for production, but now they are a commemoration and a spur.

After the intelligent upgrade, the factory has automatic grinding equipment. The equipment models the workpiece through scanning, and then compares it with the target model. Finally, the automatic grinding program is started, and the grinding accuracy can be controlled within 0.5 mm.

Deng Hongjian: In terms of efficiency, it is greatly improved compared to manual work. The workload that a person may need to complete in three hours can be completed with equipment in half an hour. It takes 15 minutes to complete the inspection of a bogie, and it may take half an hour for the quality inspector to manually.Editor/Ma Xue