圆台形滑阀反馈节流静压支承性能分析

Chinese Hydraulics & Pneumatics(2021)

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Abstract
为克服静压支承系统中滑阀型和薄膜型两种常用的反馈式节流器的不足,根据静压支承系统需求,设计了一种圆台形滑阀反馈节流器结构,并介绍了其工作原理.分析圆台形滑阀节流静压支承系统的静动态特性,节流器的进油变量指数与支承油腔排油变量指数相当,使其动态响应较高,在有外加载荷作用时,根据系统模型方程讨论了支承刚度、油膜间隙、稳定性及幅频特性,并结合支承腔油膜间隙近似不变原则,推导出了节流器相关结构参数的设计公式.
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Key words
hydrostatic bearing performance,feedback throttle,slide valve,cone-shaped
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