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Calibration method of large pressure cylindrical shell
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Liang-bi LI1, Ling-yun WANG1, Lei-lei LIU2, Qing-biao JIN3, Xiao-fei ZHANG4, Jin-hui JIANG5, 6
Journal of Ship Mechanics | 2026, 30(3) : 452 - 462
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Journal of Ship Mechanics | 2026, 30(3): 452-462
• Structural Mechanics •
Calibration method of large pressure cylindrical shell
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Liang-bi LI1, Ling-yun WANG1, Lei-lei LIU2, Qing-biao JIN3, Xiao-fei ZHANG4, Jin-hui JIANG5, 6
Affiliations
  • 1.Jiangsu University of Science and Technology, Zhenjiang 212003, China
  • 2.Shanghai Ship Research and Design Institute, Shanghai 201203, China
  • 3.Rui Sound Technology (Changzhou) Co., Ltd., Changzhou 221000, China
  • 4.Zhenjiang Campus of Army Military Transportation University, Zhenjiang 212134, China
  • 5.Key Laboratory of Marine Technology Ministry of Communications/State Key Laboratory of Maritime Technology and Safety, Shanghai Ship and Shipping Research Institute Co., Ltd., Shanghai 200135, China
  • 6.Shanghai Jiao Tong University, Shanghai 200240, China
Published: 2026-03-15 doi: 10.3969/j.issn.1007-7294.2026.03.010
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The machining deformation of a large pressure cylindrical shell might affect its subsequent machining accuracy and application requirements. A large titanium alloy pressure cylindrical shell after deformation was studied in this paper. Based on the thermal elastic-plastic and creep finite element theory, the numerical simulation of thermal correction of the deformation correction process of the cylindrical shell was carried out through the calibration tooling and thermal correction method. The results show that the error of elliptic end calibration of the deformed large titanium alloy pressure cylindrical shell is controlled within 1%, which could meet the engineering requirements. The overall calibration effect achieved with the calibration tooling of ring-shaped is better, and the error is reduced by 0.2% compared to the calibration tooling of cross-shaped. The holding time, heating rate and cooling rate of heat treatment have little effect on the calibration effect of the deformed cylindrical shell, while the spring stiffness has a great influence. Finally, a set of good heat treatment straightening process for large pressure cylindrical shell was obtained.

large pressure cylindrical shell  /  deformation  /  calibration method  /  heat treatment process  /  numerical simulation
Liang-bi LI, Ling-yun WANG, Lei-lei LIU, Qing-biao JIN, Xiao-fei ZHANG, Jin-hui JIANG. Calibration method of large pressure cylindrical shell[J]. Journal of Ship Mechanics, 2026 , 30 (3) : 452 -462 . DOI: 10.3969/j.issn.1007-7294.2026.03.010
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Article Info
doi: 10.3969/j.issn.1007-7294.2026.03.010
  • Receive Date：2025-08-24
  • Online Date：2026-07-07
  • Published：2026-03-15
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History
  • Received：2025-08-24
Affiliations
    1.Jiangsu University of Science and Technology, Zhenjiang 212003, China
    2.Shanghai Ship Research and Design Institute, Shanghai 201203, China
    3.Rui Sound Technology (Changzhou) Co., Ltd., Changzhou 221000, China
    4.Zhenjiang Campus of Army Military Transportation University, Zhenjiang 212134, China
    5.Key Laboratory of Marine Technology Ministry of Communications/State Key Laboratory of Maritime Technology and Safety, Shanghai Ship and Shipping Research Institute Co., Ltd., Shanghai 200135, China
    6.Shanghai Jiao Tong University, Shanghai 200240, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2026.03.010
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表12种不同金属材料的力学参数
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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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