ロッド駆動方式斜軸式ピストンポンプにおける球面弁板の混合潤滑解析 : 第2報, 数値計算結果

概要

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The paper, part 1, has proposed a mathematical model of rotor motion for piston rod driving type bent axis type axial piston pump in order to study lubrication characteristics between rotor and spherical valve plate. The numerical calculations have been carried out under operating conditions and specifications. The calculation results have been compared with experimental ones given by previous papers. It is found that (1) the rotor moves to delivery area and its axis tilts to one with its rotation, (2) film thickness between the rotor and the spherical valve plate minimizes at inside sealing part and the center of fluctuation locates near neutral point of the delivery area, and (3) the minimum film thickness and friction moment are greatly influenced by rotational speed, viscosity and dimension of sealing part on the spherical valve plate.
1999-06-25