Research status and prospect of flexible optimization design methodology of propeller CNC polishing machines.

IF 2.6 4区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES Science Progress Pub Date : 2024-10-01 DOI:10.1177/00368504241285077
Shihao Liu, Mao Lin, Youjun Bai
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Abstract

Among the components of high-tech ships, the structural complexity of the propeller profile requires a high degree of flexibility in the CNC polishing machine. In addressing this requirement, the study formulates the flexible optimization problem pertaining to research on the propeller CNC polishing machine. A comprehensive analysis is undertaken to scrutinize the geometric features of the propeller and the phenomenon of polished contact. The propeller profile-polishing head dynamic contact mechanism is revealed, and the contact force characteristics of propeller polishing are obtained. It is suggested that the propeller configuration-process-polishing machine structure coupling mechanism be explored under the influence of polishing contact force. Subsequently, a dynamic model of the propeller CNC polishing process is formulated. Based on the above model, a simulation of the motion personification and structural flexibility of the propeller CNC polishing machine is proposed to obtain dynamic personification and flexibility rules. Integrating polishing contact force characteristics with dynamic personification and flexibility rules, the dynamic flexible collaborative optimization principle of the propeller CNC polishing machine is revealed. On this basis, multi-objective optimization modeling and solving are carried out, forming a new method for the flexible optimization design of propeller CNC polishing machines.

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螺旋桨数控抛光机柔性优化设计方法的研究现状与展望
在高科技船舶的部件中,螺旋桨外形结构复杂,对数控抛光机的柔性要求很高。针对这一要求,本研究提出了与螺旋桨数控抛光机研究相关的柔性优化问题。研究对螺旋桨的几何特征和抛光接触现象进行了全面分析。揭示了螺旋桨轮廓与抛光头的动态接触机理,获得了螺旋桨抛光的接触力特性。建议探讨抛光接触力影响下的螺旋桨构型-工艺-抛光机结构耦合机理。随后,建立了螺旋桨数控抛光过程的动态模型。在上述模型的基础上,提出了螺旋桨数控抛光机的运动拟人和结构柔性仿真,得到了动态拟人和柔性规则。将抛光接触力特性与动态拟人和柔性规则相结合,揭示了螺旋桨数控抛光机的动态柔性协同优化原理。在此基础上,进行了多目标优化建模与求解,形成了螺旋桨数控抛光机柔性优化设计的新方法。
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来源期刊
Science Progress
Science Progress Multidisciplinary-Multidisciplinary
CiteScore
3.80
自引率
0.00%
发文量
119
期刊介绍: Science Progress has for over 100 years been a highly regarded review publication in science, technology and medicine. Its objective is to excite the readers'' interest in areas with which they may not be fully familiar but which could facilitate their interest, or even activity, in a cognate field.
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