Weld Forming of 06Cr19Ni10 stainless steel ring-stiffened cylindrical pressure shell of UUV

Laming Zhang; Tianjiao Liu; Xiaojiao Xia; Hefei Tian; Haijun Yu; Ziyu Duan

doi:10.1117/12.3008194

25 October 2023 Weld Forming of 06Cr19Ni10 stainless steel ring-stiffened cylindrical pressure shell of UUV

Laming Zhang, Tianjiao Liu, Xiaojiao Xia, Hefei Tian, Haijun Yu, Ziyu Duan

Proceedings Volume 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023); 1280125 (2023) https://doi.org/10.1117/12.3008194
Event: Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 2023, Dalian, China

Abstract

The pressure shell is a key component to ensure the pressure bearing and sealing of the unmanned underwater vehicle (UUV). Considering the requirements of reliability, economy, and anti-corrosion performance, the weld forming method of 06Cr19Ni10 stainless steel ring-stiffened cylindrical pressure shell was studied. Firstly, according to the existing pressure shell structure, the strength design is carried out with reference to the design code of China Classification Society, and the structural model of the ring-stiffened cylindrical pressure shell is obtained. Then, through the analysis of the weld forming process, the deformation control method of the pressure shell in the manufacturing process is studied, and the weld forming process of the ring-stiffened cylindrical pressure shell is determined. Finally, the weld forming method of 06Cr19Ni10 stainless steel ring-stiffened cylindrical pressure shell is verified through small-batch trial production and external pressure test, which provides a reference for the pressure shell design of the new underwater unmanned underwater vehicle. The external hydraulic test shows that the welding and heat treatment process proposed in this paper can not only ensure the structural strength of the shell, but also effectively control the welding deformation, and ensure the sealing performance of the shell through the final cutting process.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Laming Zhang, Tianjiao Liu, Xiaojiao Xia, Hefei Tian, Haijun Yu, and Ziyu Duan "Weld Forming of 06Cr19Ni10 stainless steel ring-stiffened cylindrical pressure shell of UUV", Proc. SPIE 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 1280125 (25 October 2023); https://doi.org/10.1117/12.3008194

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KEYWORDS

Design and modelling

Stainless steel

Manufacturing

Autonomous vehicles

Heat treatments

Alloys

Control systems

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