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開式回路 RC 92 711/09.00
規格28....140
31R系列
額定壓力280 bar
峰值壓力 350 bar
此類型泵特點:
— 用于液壓開式回路的斜盤結構軸向柱塞變量泵
— 流量正比于驅動轉速和排量,并能通過調節斜盤傾角實 現無級變量
— ISO標準的安裝法蘭
— 法蘭連接符合SAE米制
— 有兩個殼體泄油孔
— 優良的吸入性能
— 允許連續運行壓力可達280 bar
*力士樂變量柱塞泵,德國力士樂嘉興
— 噪聲
— 長壽命
— 驅動軸能承受軸向及徑向負載
— 高的功率/重量比
— 廣范圍的多種控制形式
— 控制響應時間短
— 采用通軸結構,可用于多回路系統
– 斜軸結構軸向柱塞變量泵，用于開式回路的液壓傳動系統。
– 適用于工程機械或工業領域。
– 多種變量方式適用于各種控制和調節過程。
– 堅固的驅動軸圓錐滾子軸承使泵結構緊湊，壽命長。
– 輸出流量與轉速和排量成正比，排量從Vg max至Vg min＝0無級可調。
1）軸向柱塞泵。圖6-13所示為斜盤式軸向柱塞泵的工作原理圖，軸向柱塞泵由配流盤、缸體（轉子）、柱塞和斜盤等主要零件組成。在配流盤上開有兩個弧形溝槽，分別與泵的吸、壓油口連通，形成吸油腔和壓油腔。斜盤、配流盤均與泵體相固定，柱塞在彈簧的作用下以球形端頭與斜盤接觸。兩個弧形溝槽彼此隔開，保持定的密封性。斜盤相對于缸體的夾角為γ。原動機通過傳動軸帶動缸體旋轉，柱塞就在柱塞孔內作軸向往復滑動。處于π～2π范圍內的柱塞向外伸出，使其底部的密封容積增大，將油吸入；處于0～π范圍內的柱塞向缸體內壓入，使其底部的密封容積減小，把油壓往系統中。
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