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介绍了应用于天文望远镜上的静压支承型式。阐述了毛细管节流的、具有双层油膜的凹透镜式、方形四油池静压油垫系统的性能。首先简要讨论影响单油垫油膜厚度变化的各种因素,用电子计算机计算了载荷、供压、阻尼、油膜刚度与油膜厚度的关系曲线。进而探讨极轴静压油垫系统的刚度与油垫中心角θ、地理纬度φ之间的定量关系,得到了各种φ值下的最佳θ值,对极轴采用球面或柱面轴颈两种型式的支承系统作了比较。
The hydrostatic support used in telescopes is introduced. The performance of a capillary-throttled, concave-lens, quadruple-sump hydrostatic pad system with a double-layer oil film is described. First of all, a brief discussion of various factors that affect the film thickness of single oil pad was done. The curves of load, supply pressure, damping, oil film stiffness and oil film thickness were calculated by computer. Then the relationship between the stiffness of the polar-axis static pressure oil pad system and the center angle θ of the oil pad and the geographical latitude φ is discussed. The optimal θ values are obtained for all φ values and the spherical or cylindrical journals Two types of support systems are compared.