modeling and analysis on cushion characteristics of fast and high-flow-rate hydraulic cylinder
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ID: 251602
2016
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Abstract
As an indispensable actuator, the hydraulic cylinder has widespread industrial applications in mechanical engineering. The cushion characteristics of hydraulic cylinder directly affect its performance and reliability, especially the one utilized in hydraulic system with fast response, high flow rate, and instantaneous super power. In order to analyze the cushion characteristics, three different simulation models are established. Furthermore, experiments concerning the pressure characteristics of hydraulic cylinder are accomplished to verify the validation of simulation models. It was found that the integrated simulation model had the highest precision and CFD model showed better pattern of cushion process compared with other models. On the basis of the integrated simulation model, plunger structure and key structural parameters were studied in detail with optimal schemes given. The conical structure, proper design of the diameter of cushion hole, and length of plunger turned out to be effective in promoting the cushion performance. The proposed simulation models and research of cushion structure have scientific and engineering value to promote the innovative development of hydraulic cylinder.
| Reference Key |
lai2016mathematicalmodeling
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|---|---|
| Authors | ;Qiwei Lai;Liang Liang;Jing Li;Shijing Wu;Jun Liu |
| Journal | journal of power sources |
| Year | 2016 |
| DOI |
10.1155/2016/2639480
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| URL | |
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