Transactions of Materials and Heat Treatment

Title：Optimization on spinning combination parameters for plungerslipper ball joint assembly based on grey relational degree

Authors： Wang Jiansen1 Li Jinxuan1 Guo Long2 Wang Xu1 Li Shaonian1

Unit： 1.College of Energy and Power Engineering Lanzhou University of Technology 2.Meishan CRRC Fastener Technology Co. Ltd.

KeyWords： plunger-slipper ball joint assembly spinning structural parameters process parameters orthogonal test

ClassificationCode：TG306

year,vol(issue):pagenumber：2025,50(7):143-152

Abstract：

In order to explore the influence laws of structural parameters and process parameters during the spinning process on the combined performance of plunger-slipper ball joint for plunger pump, taking the wall thickness of slipper skirt, height of seat ring, spindle speed and feeding ratio of rotary wheel as the test factors, and the pull-off force, spinning force and maximum swing angle as the optimization objectives, the orthogonal test was designed, and the orthogonal test data were analyzed by the range method and the grey correlation degree analysis method. Then, the influence laws of structural parameters and process parameters on the different optimization targets were obtained, and the two groups of optimized parameter combinations were further compared and analyzed. The results show that the influence order of each parameter from large to small is height of seat ring > wall thickness of slipper skirt > feeding rate of rotary wheel > spindle speed. Thus, the optimal parameter combination after grey correlation optimization is the height of seat ring of 2.5 mm, the wall thickness of slipper skirt of 1 mm, the feeding ratio of rotary wheel of 0.24 mm·r-1 and the spindle speed of 420 r·min-1.

Funds：

国家重点研发计划课题（2023YFB3406704）

作者简介：王建森（1973-），男，博士，副教授 E-mail：wjs_tougao@163.com

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