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Design of Plasma Cutting Operation Method for Railway Freight Car Coupler Casting Based on Process Parameter Library
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Zhao-bo QIN1, 2, Chen YANG3, Yu-cheng MU1, 2, Bing-xuan LI1, 2, Guang-tai CHEN1, 2, Jian YU1, 2, *
Science Technology and Engineering | 2025, 25(16) : 6698 - 6706
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Science Technology and Engineering | 2025, 25(16): 6698-6706
Papers·Mining and Metallurgical Engineering
Design of Plasma Cutting Operation Method for Railway Freight Car Coupler Casting Based on Process Parameter Library
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Zhao-bo QIN1, 2, Chen YANG3, Yu-cheng MU1, 2, Bing-xuan LI1, 2, Guang-tai CHEN1, 2, Jian YU1, 2, *
Affiliations
  • 1 CRRC Technology Innovation (Beijing) Co. , Ltd. , Beijing 100192, China
  • 2 CRRC Dalian Locomotive Research Institute Co. , Ltd. , Dalian 116085, China
  • 3 Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110169, China
Published: 2025-06-08 doi: 10.12404/j.issn.1671-1815.2403725
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In order to solve the problem of combining plasma equipment with robots to process casting risers, where variations in riser dimensions due to mold accuracy necessitate precise trajectories and poses for proper arc initiation and operation, a method based on a process parameter library was employed for investigation. This method was comprised of process parameter library, analysis module, similarity measurement module, path generation module, and parameter module. Through the construction of two-stage comparison method, target parameters can be quickly filtered from the library. Using path generation algorithms and deep learning algorithms, working paths and process parameters matching the point cloud model were obtained. The results show that this method can accurately generate operational trajectories and poses based on the workpiece, enabling the reduction of manual intervention, lowering of operational complexity, and enhancement of the reliability and safety of the cleaning operations for coupler castings.

casting riser removal  /  plasma cutting  /  process parameter library  /  path generation  /  point cloud similarity  /  long short-term memory network(LSTM)
Zhao-bo QIN, Chen YANG, Yu-cheng MU, Bing-xuan LI, Guang-tai CHEN, Jian YU. Design of Plasma Cutting Operation Method for Railway Freight Car Coupler Casting Based on Process Parameter Library[J]. Science Technology and Engineering, 2025 , 25 (16) : 6698 -6706 . DOI: 10.12404/j.issn.1671-1815.2403725
Year 2025 volume 25 Issue 16
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Article Info
doi: 10.12404/j.issn.1671-1815.2403725
  • Receive Date:2024-05-20
  • Online Date:2025-07-09
  • Published:2025-06-08
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History
  • Received:2024-05-20
  • Revised:2025-03-04
Funding
Affiliations
    1 CRRC Technology Innovation (Beijing) Co. , Ltd. , Beijing 100192, China
    2 CRRC Dalian Locomotive Research Institute Co. , Ltd. , Dalian 116085, China
    3 Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110169, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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