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Measurement of Friction Force in Pneumatic Cylinders

机译：气瓶摩擦力的测量

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Although the performance and reliability of pneumatic cylinders depend to a great extent on the friction generated at the seals, the friction characteristics have not been widely studied. Both the literature and manufacturers' catalogues rarely discuss the friction characteristics of pneumatic cylinders, and the lack of friction models limits the design, optimisation, and analysis of pneumatic cylinder systems. In seeking to improve the characteristics of pneumatic cylinders and to clarify the friction phenomenon, this paper describes friction force measurement tests carried out in pneumatic cylinders of six different diameters, from 32 to 100 mm. An experimental apparatus was designed to assess the effect of a broad range of operating conditions, where the velocity and pressure of the cylinder chambers are controlled independently. Measurements of friction force are shown for velocities of up to 0.5 m/s and pressures of up to 0.8 MPa. The data obtained will be useful for developing a suitable friction model, and the experimental apparatus will allow study of the effects on the friction force of different types of seal, lubricant, and cylinder barrel
机译：尽管气缸的性能和可靠性在很大程度上取决于在密封件处产生的摩擦，但是尚未广泛研究摩擦特性。文献和制造商的目录都很少讨论气缸的摩擦特性，并且缺少摩擦模型限制了气缸系统的设计，优化和分析。为了改善气缸的性能并弄清摩擦现象，本文介绍了在六种直径从32到100 mm的气缸中进行的摩擦力测量测试。设计了一种实验设备以评估各种工作条件的影响，在这些条件下，气缸室的速度和压力是独立控制的。显示了摩擦力的测量值，速度最高为0.5 m / s，压力最高为0.8 MPa。获得的数据对于建立合适的摩擦模型将是有用的，并且该实验设备将允许研究不同类型的密封件，润滑剂和气缸筒对摩擦力的影响。

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