A4VG90HWD2/32R-PZF02F001S Rexroth軸向柱塞泵是上海韋米機電設備有限公司主要經銷產品之一，保證產品【原裝*】，*，貨期短，發貨快；常規產品現貨供應，放心購買。我公司專業經營國外進口液壓氣動備件、自動化儀表；主營產品：液壓配件、氣動元件、柱塞泵、齒輪泵、葉片泵、電磁閥、節流閥、比例閥、溢流閥、換向閥、流量閥；伺服驅動器、伺服模塊、伺服電機、探頭、傳感器、電纜、電源模塊、編碼器、接近開關等。常規型號產品現貨供應，熱誠歡迎新老客戶采購！
液壓泵是液壓系統的動力元件，其功用是給液壓系統提供壓力油，從能量轉換角度講，它將是原動機（如發動機）輸出的機械能轉換為便于輸送的液體的壓力能。液壓馬達則屬于執行元件，它能將輸入液體的壓力能轉換為輸出軸轉動的機械能，用來拖動負載做功。根據結構形式，液壓泵與液壓馬達具體可分為齒輪式、葉片式、柱塞式等類型。
1.液壓泵壓力
液壓泵工作壓力是指泵（或馬達）在實際工作時輸出（或輸入）油液的壓力，由外負載決定。
額定壓力是指在正常工作條件下，按試驗標準規定能連續運轉的zui高壓力。其大小受壽命的限制，若超過額定壓力工作，泵（或馬達）的使用壽命將會比設計的壽命短。當工作壓力大于額定壓力時稱超載。
2.轉速
工作轉速是指泵（或馬達）在工作時的實際轉動速度。
額定轉速是指在額定壓力下，能連續長時間正常運轉的zui高轉速。若泵超過額定轉速工作將會造成吸油不足，產生振動和大的噪聲，零件會遭受氣蝕損傷，壽命降低。
zui低穩定轉速是指馬達正常運轉所允許的zui低轉速。在此轉速下，馬達不出現爬行現象。
3.排量、流量
排量是指泵（或馬達）每轉一周，由密封容腔幾何尺寸變化而得的排出（或輸入）液體的體積，常用單位是ml/r（毫升/轉）。排量可以通過調節發生變化的成為變量泵（或變量馬達），排量不能變化的成為定量泵（或定量馬達）。
實際流量是指泵（或馬達）工作時出口處（或進口處）的流量。由于泵本身存在內泄漏，其實際流量小于理論流量。由于馬達本身也存在內泄漏，要實現轉速，為補償泄漏量，其輸入實際流量必須大于理論流量。
4.效率
容積效率，對液壓泵是指其實際流量與理論流量的比值。對液壓馬達是指其理論流量與實際流量的比值。
機械效率，對液壓泵是指其理論轉矩與實際輸入轉矩的比值。對液壓馬達其實際輸出的轉矩為理論轉矩克服摩擦力后的轉矩，因此其機械效率為實際輸出轉矩與理論轉矩的比值。
總效率是指泵（或馬達）的輸出功率與輸入功率的比值。總效率等于容積效率與機械效率的乘積。
上海韋米機電設備有限公司位于浦東金橋是全國工業傳動流體自動化領域實力較強的經銷商，有著豐富的氣動液壓技術服務、工業銷售及采購的經驗，主營產品涉及液壓泵閥（電磁閥、柱塞泵拳頭產品）、工控產品、驅動模塊、伺服電機、可編程控制器PLC、數控傳動、傳感器系列、電源、氣動元件、工業儀器儀表。具體主要經營品牌及產品如下:
博世力士樂rexroth工業液壓氣動元件大量現貨（電磁換向閥、節流閥、單向閥、比例閥、伺服閥、安全溢流閥、流量控制閥、減壓閥、調節閥、壓力繼電器、比例放大板、放大器，軸向柱塞泵、葉片泵、齒輪泵，伺服驅動器、伺服電機，氣動元件、氣動閥、氣缸等），部分系列型號：
電磁閥：4WE6、4WE10、4WE16；電液閥：4WEH10H、4WEH16、4WEH25，
單向閥：S10A、S20A、Z1S、Z2S、SL10、SL20、SV10、SV20、RVP，插裝閥：LC、LFA
溢流閥：DB、DBW、DBET、DBD、ZDB、Z2DB，減壓閥：DR6DP、DR10DP、ZDR6、ZDR10、DR-4X、DR-5X
節流閥：Z2FS6、Z2FS10、Z2FS16、Z2FS22；調速閥：2FRM5、2FRM10、2FRM16，
平衡閥：FD12FA、FD12PA、FD12KA、FD16FA，繼電器：HED80、HED40，電子單元：VT、0811
比例方向閥：4WRA、4WRAE、4WRE、4WREE、4WREEM、4WRH、4WRZ、4WRZE、4WRKE、4WRBKE、4WS2EM
高頻響方向閥：4WRPH、4WRPEH、5WRP、5WRPE、4WRREH、4WRP、4WRPE、4WRP(E)H、4WRSE、4WRSEH、4WRPNH、4WRL、4WRLE、4WRVE、4WRGE、4WRL、4WRLE、4WRDE、3WRCBH，伺服系統：HAS、HNL、HCS、HNL
柱塞泵：A4VSO、A10VSO、A2FO，定量馬達：A2FM，A4FM，A10FM/E， 齒輪泵：0510、AZPF，葉片泵：PV7
意大利阿托斯ATOS及迪普馬DUPLOMATIC、美國Parker派克及EATON VICKERS伊頓 威格士液壓、日本YUKEN油研泵閥優勢現貨系列（電磁閥換向閥、壓力開關、柱塞泵、齒輪泵、比例閥、截止閥、開關閥等），
奧地利貝加萊B&R br-automation自動化配品配件貨期短現貨多（伺服驅動器、觸摸屏、工控機、CPU模塊、總線控制器、X20\2003\2005\2010系統中各類功能模塊等），
美國本特利(Bently Nevada)優勢系列（監測模塊、前置器、儀表框架、接口模塊、延伸電纜、傳感器探頭、轉速表、校驗儀等）
西門子Siemens優勢主打系列（6SN、6FC、6FX、S7200、電機1FK、S7300、S7400、LOGO 低壓電器、軟啟、熔斷器、電源模塊、CPU、數控傳動）
另銷售有德國愛爾泰克Airtec氣動元件，APS接近開關，SMC氣動元件，倍加福編碼器、傳感器，歐姆龍低壓電器、川崎K3V泵 ，賀德克液壓元件、丹佛斯、費斯托全系列產品.
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柱塞泵一般分為單柱塞泵、臥式柱塞泵、軸向柱塞泵和徑向柱塞泵。
單柱塞泵
結構組成主要有偏心輪、柱塞、彈簧、缸體、兩個單向閥。柱塞與缸體孔之間形成密閉容積。偏心輪旋轉一轉，柱塞上下往復運動一次，向下運動吸油，向上運動排油。泵每轉一轉排出的油液體積稱為排量，排量只與泵的結構參數有關。
臥式柱塞泵
臥式柱塞泵是由幾個柱塞（一般為3個或6個）并列安裝，用1根曲軸通過連桿滑塊或由偏心軸直接推動柱塞做往復運動，實現吸、排液體的液壓泵。它們也都采用閥式配流裝置，而且大多為定量泵。煤礦液壓支架系統中的乳化液泵一般都是臥式柱塞泵。
乳化液泵用于采煤工作面，為液壓支架提供乳化液，工作原理靠曲軸的旋轉帶動活塞做往復運動，實現吸液和排液。
軸向柱塞泵（英文名：Piston pump）是活塞或柱塞的往復運動方向與缸體中心軸平行的柱塞泵。軸向柱塞泵利用與傳動軸平行的柱塞在柱塞孔內往復運動所產生的容積變化來進行工作的。由于柱塞和柱塞孔都是圓形零件，加工時可以達到很高的精度配合，因此容積效率高
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，在每次啟動機器之后，必須等液壓漬箱達到使用氣壓后，才能操作機械。如液壓油箱的氣壓不足時就啟動機器，會對液壓泵內的與滑靴造成拉脫現象，出會造成泵體內回程板與壓板的非正常磨損。
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。上70、80年代發展的軸配流徑向柱塞泵克服了閥配流徑向柱塞泵的不足。由于徑向泵結構上的特點，固定了軸配流徑向柱塞泵比軸向柱塞泵耐沖擊、壽命長、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現的，而定于的zui大偏心距為 5—9mm（根據排量大小不同），變量行程很短。且變量機構設計為高壓操縱，由控制閥進行控制。故該泵的響應速度快。徑向結構設計克服了如軸向柱塞泵滑靴偏磨的問題。使其抗沖擊能力大幅度提高。
Rexroth軸向柱塞泵
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AA4VSO125LR2/30R-PPB13N00
AA4VSO125LR2D/30R-PPB13N00
AA4VSO125LR2DF/30R-PPB13N00
AA4VSO125LR2DM/30R-PPB13N00
AA4VSO125LR2G/30R-PPB13N00
AA4VSO125LR2G/30R-VPB13G80
AA4VSO125LR2GN/30R-PPB13N00
AA4VSO125LR2H/30L-PPB13N00
AA4VSO125LR2H/30R-PPB13N00
AA4VSO125LR2N/30R-PPB13K00
AA4VSO125LR2N/30R-PPB13N00
AA4VSO180DR/30L-PPB13N00
AA4VSO180DR/30R-PPB13N00
AA4VSO180DR/30R-VPB13N00
AA4VSO180EO2/30R-PPB13N00
AA4VSO180HS3E/30R-PZB13KB7
AA4VSO180HS3P/30R-PPB13N00
AA4VSO180LR2DF/30R-PPB13N00
AA4VSO180LR2G/30R-PPB13N00
AA4VSO180LR2G/30R-PPB25N00
AA4VSO180LR2N/30R-PPB13N00
AA4VSO180LR2S/30R-PPB13N00
AA4VSO250DP/30R-PPB13N00
AA4VSO250DR/30R-PPB13N00
AA4VSO250DR/30R-VPB13N00
AA4VSO250DRG/30R-PPB13N00
AA4VSO250DS1/30W-PPB13T031Z
AA4VSO250HD1/30R-PPB13N00
AA4VSO250HM1/30R-PPB13N00
AA4VSO250HM2/30R-PPB13N00
AA4VSO250HS/30R-PPB13N00
AA4VSO250HS3P/30L-PPB13N00
AA4VSO250HS3P/30R-PPB13N00
AA4VSO250LR2/30R-PPB13N00
AA4VSO250LR2D/30R-PPB13N00
AA4VSO250LR2G/30R-VPB13N00
AA4VSO250LR2GF/30L-PPB13N00
AA4VSO250LR2GF/30R-PPB13N00
AA4VSO250LR2GN/30R-PPB13K31
AA4VSO250LR2M/30R-PPB13N00
AA4VSO250LR2N/30R-PPB13N00
AA4VSO250LR2N/30R-PPB25K59
AA4VSO250LR2S/30R-PPB13N00
AA4VSO250LR3S/30R-PPB25N00
AA4VSO355DR/30R-PPB13N00
AA4VSO355EO2E/30R-PPB25N00
AA4VSO355LR2N/30R-PPB13N00
AA4VSO40DFR/10R-PPB13N00
AA4VSO40DR/10R-PPB13N00
AA4VSO40DRG/10R-PPB13N00
AA4VSO40DRG/10R-VPB13N00
AA4VSO40EO1/10R-PPB13N00
AA4VSO40LR2GN/10R-PZB13N00
AA4VSO40LR2N/10R-PZB13N00
AA4VSO40LR2Z/10R-PPB13N00
AA4VSO500HM2/30L-PPH13N00
AA4VSO500HS3/30R-PPH13N00
AA4VSO71DFR/10L-PPB13N00
AA4VSO71DFR/10R-PPB13N00
AA4VSO71DR/10R-PPB13N00
AA4VSO71DR/10R-VPB13N00
AA4VSO71DS/10W-PPB13T991Z
AA4VSO71EO1/10R-PPB13N00
AA4VSO71EO1/10R-PPB25K01
AA4VSO71FR/10L-PPB13N00
AA4VSO71FR/10R-PPB13N00
AA4VSO71HM2/10R-PPB13N00
AA4VSO71LR2/10R-PPB13C50
AA4VSO71LR2/10R-PPB13N00
AA4VSO71LR2D/10R-PPB13N00
AA4VSO71LR2H/10R-PPB13N00
AA4VSO71LR2N/10R-PPB13N00
AA7VO250LRDH1/63R-VPB02
AA7VO250LRDH3/63R-VPB01
AA7VO355HD1D/63R-VPH02
AA7V-SL1000EL51LZFOD-SO
AAA10VSO28DR/31R-PKC62N00
AAA10VSO45DFLR/31R-PKC62N00
AAA10VSO71DR/31R-PKC62N00
AAA10VSO140DR/31R-PKD62N00
AAA4VSO125DRG/30R-PKD63N00
A10CO45DFR/52R-VUC07H002D
A10VG45DGDM1/10R+A10VG45DGDM1/10R
A10VG45HWM1/10R-NSC10F016S-K
A10VO71DFR/31L-PSC12N00(RAL6014F9)
A10VO28DRG/52R+PGF3/022R+PGF2/008R
A10VO45DR/31L-VSC61N00
A10VO60DFR1/52R-PSD61N00
A10VSO28DRG/31R-PSA12K68
A10VSO100DFLR/31R+PGH2-2X/005R
A10VSO100DFR1/31R+A10VSO45DFR1/31R
A10VSO100DR/31R+A10VSO28DR/31R
A10VSO140DFLR/31R+A10VSO140DFLR/31R
A10VSO140DFR1/31R+A10VSO140DFR1/31R
A10VSO140DFR1/31R+A10VSO140DFR1/31R
A10VSO18DFR1/31R-PSC12N00
A10VSO18DRG/31R-VPA12K01
A10VSO18DRG/31R-VPA12K01
A10VSO18DRG/31R-VPA12N00
A10VSO28DFR1/31R-PPA12N00
A10VSO28DR/31R-PPA12K25
A10VSO28DR/31R-PSA12K57
A10VSO28DR/31R-PSA12N00
A10VSO45DFLR/31R+A10VSO18DFR/31R
A10VSO45DFR1/31R+A10VSO18DFR1/31R
A10VSO45DFR1/31R-PPA12K26
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12N00SO13
A10VSO45DR/31R+A10VSO18DR/31R
A10VSO45DR/31R-PPA12N00SO155
A10VSO71DFR1/31R+A10VSO18DR/31R
A10VSO71DFR1/31R-PPA12K02
A10VSO71DR/31R-PSA12KC1
A10VSO71DRG/31R+A10VSO28DRG/31R
A10VSO71DRG/31R-PPA12K25
A11VO130LR/10R-NPD12N00
A11VO190DR/11R-NPD12N00
A11VO190LR/11R-NPD12K24-K
A11VO190LRDG/11R-NPD12N00
A11VO260LR/11R-NPD12K24
A11VO260LRH1/11R-NPD12N00
A11VO260LRU2+A11VO260LRU2+A10VSO18DFR
A11VO40DR/10R-NPC12K02-SK
A11VO40DR/10R-NPC12N00V-S
A11VO75DRG/10R-NPD12N00
A11VO75DRG/10R-NSD12N00
A11VO95DR/10R-NPD12N00V-S
Rexroth軸向柱塞泵
柱塞泵柱塞往復運動總行程L是不變的，由凸輪的升程決定。柱塞每循環的供油量大小取決于供油行程,供油行程不受凸輪軸控制是可變的。供油開始時刻不隨供油行程的變化而變化。轉動柱塞可改變供油終了時刻，從而改變供油量。柱塞泵工作時，在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下，迫使柱塞作上、下往復運動，從而完成泵油任務，泵油過程可分為以下兩個階段。
進油過程
當凸輪的凸起部分轉過去后，在彈簧力的作用下，柱塞向下運動，柱塞上部空間（稱為泵油室）產生真空度，當柱塞上端面把柱塞套上的進油孔打開后，充滿在油泵上體油道內的柴油經油孔進入泵油室，柱塞運動到下止點，進油結束
回油過程
柱塞向上供油，當上行到柱塞上的斜槽（停供邊）與套筒上的回油孔相通時，泵油室低壓油路便與柱塞頭部的中孔和徑向孔及斜槽溝通，油壓驟然下降，出油閥在彈簧力的作用下迅速關閉，停止供油。此后柱塞還要上行，當凸輪的凸起部分轉過去后，在彈簧的作用下，柱塞又下行。此時便開始了下一個循環。
柱塞泵以一個柱塞為原理介紹，一個柱塞泵上有兩個單向閥，并且方向相反，柱塞向一個方向運動時缸內出現負壓，這時一個單向閥打開液體被吸入缸內，柱塞向另一個方向運動時，將液體壓縮后另一個單向閥被打開，被吸入缸內的液體被排出。這種工作方式連續運動后就形成了連續供油。
