回転を伴って往復滑り運動するピストンとシリンダ間の摩擦特性に及ぼす端部剛性の影響(機械要素,潤滑,工作,生産管理など)

概要

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A piston of swash-plate type of axial piston pump and motor, rotates as well as reciprocates in a cylinder. and uneven contact may easily occur in the sliding part between them due to oblique reaction force against the cylinder axis. The effects of annular grooves at both ends of cylinder and piston top on the friction characteristics have been investigated from viewpoint of the stiffness of the sliding part ends for the cylinder and the piston top, following the previous paper. It is clarified that the annular groove of the cylinder end affects the friction characteristics more greatly than that of the piston top in the case of the annular groove depth of 5 mm. There is an optimized depth of the annular groove for the decreased friction force when the annular groove is installed at either the cylinder end or the piston top.
社団法人日本機械学会の論文
2004-12-25