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REXROTH軸向柱塞泵，泵體結(jié)構(gòu)分析
德國(guó)REXROTH力士樂(lè)直軸斜盤式柱塞泵：
直軸斜盤式柱塞泵分為壓力供油型和自吸油型兩種。壓力供油型液壓泵大都是采用有氣壓的油箱，靠氣壓供油的液壓油箱，在每次啟動(dòng)機(jī)器之后，必須等液壓漬箱達(dá)到使用氣壓后，才能操作機(jī)械。如液壓油箱的氣壓不足時(shí)就啟動(dòng)機(jī)器，會(huì)對(duì)液壓泵內(nèi)的與滑靴造成拉脫現(xiàn)象，出會(huì)造成泵體內(nèi)回程板與壓板的非正常磨損。
REXROTH力士樂(lè)徑向式柱塞泵：
徑向柱塞泵可分為閥配流與軸配流兩大類。閥配流徑向柱塞泵存在故障率高、效率低等缺點(diǎn)。上70、80年代發(fā)展的軸配流徑向柱塞泵克服了閥配流徑向柱塞泵的不足。由于徑向泵結(jié)構(gòu)上的特點(diǎn)，固定了軸配流徑向柱塞泵比軸向柱塞泵耐沖擊、壽命長(zhǎng)、控制精度高。變量行程短泵的變量是在變量柱塞和限位柱塞作用下，改變定子的偏心距實(shí)現(xiàn)的，而定于的zui大偏心距為 5—9mm（根據(jù)排量大小不同），變量行程很短。且變量機(jī)構(gòu)設(shè)計(jì)為高壓操縱，由控制閥進(jìn)行控制。故該泵的響應(yīng)速度快。徑向結(jié)構(gòu)設(shè)計(jì)克服了如軸向柱塞泵滑靴偏磨的問(wèn)題。使其抗沖擊能力大幅度提高。
柱塞泵A4VS0125DR/10R-PPB13N00 
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柱塞泵A4VS0125DR/22R 
變量泵A4VSO250EO2/30R-VPB13N00-SO2
柱塞泵A4VG125EP2MT1/32-NZF02F021SH-S 
柱塞泵A4VSO250EO2/30R-VPB13N00-SO2
變量軸向柱塞泵A4VSO180DR/30R-PPB13N00 
變量軸向柱塞泵A4VSO125DR/30R-PPB13N00 
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軸向柱塞泵主泵A4VS0125DRG/30R-PPB13N00 
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德國(guó)力士樂(lè)A4VG-125泵的配件主軸080121-001 
軸向柱塞泵E-A4VSO250EO2/30R-VPB25N00-SO3
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REXROTH軸向柱塞泵，泵體結(jié)構(gòu)分析
德國(guó)力士樂(lè)REXROTH斜盤結(jié)構(gòu)軸向柱塞變量泵，用于開(kāi)式回路中的靜液壓傳動(dòng)– 流量與傳動(dòng)速度和排量成比例– 通過(guò)調(diào)節(jié)旋轉(zhuǎn)斜盤角度，可實(shí)現(xiàn)流量的無(wú)級(jí)變化。2 個(gè)殼體泄油口– 出色的吸油特性– 低噪音等級(jí)– 長(zhǎng)久的使用壽命– 傳動(dòng)軸的軸向和徑向負(fù)載能力– 理想的功率重量比– 多種控制范圍– 短的控制時(shí)間– 該泵帶有通軸驅(qū)動(dòng)，可承裝齒輪泵或者小于等于相同規(guī)格的軸向柱塞泵，即 100% 通軸驅(qū)動(dòng)。
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REXROTH軸向柱塞泵，泵體結(jié)構(gòu)分析