力士樂Rexroth簡介
力士樂柱塞泵為博世-力士樂Bosch Rexroth旗下品牌，是世界高科技企業之一，50多年來，Bosch Rexroth集團及Bosch Rexroth公司的業務部門致力開發專業型液壓傳動領域高科技產品，產品和品牌已享譽。力士樂的產品，目前沒有其他的品牌能向顧客提供所有傳動與控制技術，專門化與一體化并舉。正因如此，博世-力士樂在液壓傳動、控制及移動技術等領域成為了世界性的榜樣。
Rexroth柱塞泵的優點
1. 參數高:額定壓力高，轉速高，力士樂油泵的驅動功率大
2. 效率高，容積效率為95%左右，總效率為90%左右
3. 壽命長
4. 變量方便，形式多
5. 單位功率的重量輕
6. 力士樂柱塞泵主要零件均受壓應力，材料強度性能可得以充分利用
用途
Rexroth 柱塞泵被廣泛用于高壓、大流量、大功率的系統中和流量需要調節的場合，如龍門刨床、拉床、液壓機、工程機械等得到廣泛的應用。
1.Rexroth柱塞泵的形式很多。
2.Rexroth柱塞泵按柱塞的排列和運動方向不同，可分為Rexroth徑向柱塞泵和Rexroth軸向柱塞泵。
3.Rexroth柱塞泵按配流方式的不同，可分為斜盤式(直軸式)和斜軸式。
德國力士樂變量柱塞泵有開槽控制的斜盤設計，連續可變的排量，良好的自吸性，允許連續工作壓力達到350bar，低噪音，使用壽命長，驅動軸能吸收軸向和徑向載荷，模塊化設計，通軸驅動控制時間短，可實現多回路系統。可選擇不同的泵位置，安裝位置也可選擇，可在降低的工作參數下用HFC液工作。
力士樂A11VO變量柱塞泵壓力控制、流量控制、恒功率控制、交叉總功率控制、半交叉功率控制、腹肌功率越權控制、正極功率越權控制、電子越權控制等變量原理圖文詳解。
力士樂柱塞泵A11VO系列特性：
1. 斜盤結構軸向柱塞變量泵用于開式回路液壓傳動；
2. 主要應用于混凝土泵車 鏟運機械、混凝土機械、路面機械、壓實機械及起重機械等工程機械領域；
3. 泵在自吸條件下，油箱加壓或帶升壓泵（離心泵）工作；
4. 可提供多種變量機構用于不同的控制和調節功能；
5. 即使機器運行時也可經外部來設定功率控制；
6. 該泵可帶有通軸驅動以承裝齒輪泵或直到相同規格的軸向柱塞泵（通軸驅
動）；
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