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力士樂Rexroth簡(jiǎn)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(yè)之一，50多年來，Bosch Rexroth集團(tuán)及Bosch Rexroth公司的業(yè)務(wù)部門致力開發(fā)專業(yè)型液壓傳動(dòng)領(lǐng)域高科技產(chǎn)品，產(chǎn)品和品牌已享譽(yù)。力士樂的產(chǎn)品，目前沒有其他的品牌能向顧客提供所有傳動(dòng)與控制技術(shù)，專門化與一體化并舉。正因如此，博世-力士樂在液壓傳動(dòng)、控制及移動(dòng)技術(shù)等領(lǐng)域成為了世界性的榜樣。
Rexroth柱塞泵的優(yōu)點(diǎn)
1. 參數(shù)高:額定壓力高，轉(zhuǎn)速高，力士樂油泵的驅(qū)動(dòng)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(yīng)力，材料強(qiáng)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(tǒng)中和流量需要調(diào)節(jié)的場(chǎng)合，如龍門刨床、拉床、液壓機(jī)、工程機(jī)械等得到廣泛的應(yīng)用。
1.Rexroth柱塞泵的形式很多。
2.Rexroth柱塞泵按柱塞的排列和運(yùn)動(dòng)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(shè)計(jì)，連續(xù)可變的排量，良好的自吸性，允許連續(xù)工作壓力達(dá)到350bar，低噪音，使用壽命長，驅(qū)動(dòng)軸能吸收軸向和徑向載荷，模塊化設(shè)計(jì)，通軸驅(qū)動(dòng)控制時(shí)間短，可實(shí)現(xiàn)多回路系統(tǒng)。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(shù)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(quán)控制、正極功率越權(quán)控制、電子越權(quán)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(jié)構(gòu)軸向柱塞變量泵用于開式回路液壓傳動(dòng)；
2. 主要應(yīng)用于混凝土泵車 鏟運(yùn)機(jī)械、混凝土機(jī)械、路面機(jī)械、壓實(shí)機(jī)械及起重機(jī)械等工程機(jī)械領(lǐng)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(jī)構(gòu)用于不同的控制和調(diào)節(jié)功能；
5. 即使機(jī)器運(yùn)行時(shí)也可經(jīng)外部來設(shè)定功率控制；
6. 該泵可帶有通軸驅(qū)動(dòng)以承裝齒輪泵或直到相同規(guī)格的軸向柱塞泵（通軸驅(qū)
動(dòng)）；
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