PGF2-2X/022.L20VM?PGF2-2X/022.L20VM?PGF2-2X/022.L20VM?PGF2-2X/022.L20VM?輸出流量波動與很多因素有關。對變量泵可以認為是變量機構的控制不佳造成，如異物進入變量機構，在控制活塞上劃出階痕、磨痕、傷痕等，造成控制活塞運動不穩(wěn)定。由于放大器能量不足或零件損壞、含有彈簧的控制活塞的阻尼器效能差，都會造成控制活塞運動不穩(wěn)定。流量不穩(wěn)定又往往伴隨著壓力波動。這類故障一般要拆開液壓泵，更換受損零部件，加大阻尼，提高彈簧剛度和控制壓力等。。PGF2-2X/022.L20VM?
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