REXROTH葉片泵PV7-1A/25-30RE01MC0-16，上海韋米機(jī)電設(shè)備有限公司主營產(chǎn)品之一，銷售熱線： ；聯(lián)系人：雷青；業(yè)務(wù)QQ：---；手機(jī)微信： ； ；傳真 ；原廠直銷，質(zhì)量保障，現(xiàn)貨庫存，價(jià)格優(yōu)惠！

型號(hào) PV7 的液壓泵是變量葉片泵。
主要由泵體、轉(zhuǎn)子、葉片、定子環(huán)、壓力控制器和調(diào)節(jié)螺栓組成。圓形的定子環(huán)夾持在小調(diào)節(jié)活塞和大調(diào)節(jié)活塞之間。此環(huán)的第三個(gè)接觸點(diǎn)是高度調(diào)節(jié)螺栓。被驅(qū)動(dòng)的轉(zhuǎn)子在定子環(huán)內(nèi)轉(zhuǎn)動(dòng)。轉(zhuǎn)子槽內(nèi)的葉片由于離心力的作用壓在定子環(huán)上。

力士樂REXROTH葉片泵吸油和排油過程
用來傳遞油液的腔由葉片、轉(zhuǎn)子、定子環(huán)和配油盤形成。
為了在投入使用時(shí)確保泵的運(yùn)行功能，定子環(huán)由大調(diào)節(jié)活塞后面的彈簧壓在其偏心位置 (排油位置)。

當(dāng)轉(zhuǎn)子轉(zhuǎn)動(dòng)時(shí)，油腔的容積增大，并且通過吸油通道吸油。當(dāng)油腔達(dá)到*大容積時(shí)，它脫離吸油側(cè)。轉(zhuǎn)子繼續(xù)轉(zhuǎn)動(dòng)，此腔和壓油側(cè)接通，并使其容積減小，通過壓油通道壓油到系統(tǒng)。

 

類型 PV7...A 液壓泵是直動(dòng)式葉片泵，其排量體積可調(diào)。
基本上由殼體，蓋板，轉(zhuǎn)子，葉片，定子環(huán)，壓縮彈簧，調(diào)整螺釘和控制板組成。為限制*大流量，該泵配有調(diào)節(jié)螺釘。驅(qū)動(dòng)轉(zhuǎn)子在定子環(huán)中旋轉(zhuǎn)。轉(zhuǎn)子中導(dǎo)入的葉片在離心力的作用下貼緊定子環(huán)的內(nèi)跑合面。
吸油和排油過程
運(yùn)輸流體所需的腔室由葉片，轉(zhuǎn)子，定子環(huán)，控制板和蓋板組成。
轉(zhuǎn)子旋轉(zhuǎn)時(shí)室體積增加，腔室通過吸油通道填充流體。達(dá)到*大室體積后，腔室從吸油側(cè)分離。
隨著轉(zhuǎn)子繼續(xù)旋轉(zhuǎn)，高壓流體側(cè)的連接打開，腔室縮小并迫使流體通過壓力油口進(jìn)入系統(tǒng)。
壓力控制
定子環(huán)由彈簧固定在其初始的偏心位置。系統(tǒng)中所需的*大工作壓力是在調(diào)節(jié)螺釘處通過彈簧設(shè)定。增大的壓力是由于對(duì)抗彈簧力的工作阻力作用于定子
環(huán)內(nèi)跑合面的壓力側(cè)而產(chǎn)生的。
達(dá)到相關(guān)壓力（由設(shè)定的彈簧力決定）后，定子環(huán)朝零位置的方向移出其偏心位置。流量自我調(diào)節(jié)至當(dāng)時(shí)所需的值。當(dāng)達(dá)到
彈簧處設(shè)置的*大設(shè)定壓力時(shí)，泵會(huì)將流量調(diào)回至幾乎為零。工作壓力得到保持，且僅更換泄露流體。流體的損失和加熱從而降至*低水平。
REXROTH葉片泵PV7-1A/25-30RE01MC0-16
R900580383 PV7-1X/25-30RE01MC0-16
R987064563 PV7-1X/25-30RE01MC0-16LIM.28CC
R987066596 PV7-1X/25-30RE01MC0-16PMAX=60BAR
R987255802 PV7-1X/25-30RE01MC0-16+ PV7-1X/10-14RE**
R987070149 PV7-1X/25-30RE01MC0-16+V7-1X/16-20RE01**
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R900965089 PV7-1X/25-30RE01MC0-16-A234
R901381715 PV7-1X/25-30RE01MC0-16-P100Q36
R987066541 PV7-1X/25-30RE01MC016+1PF2G2-4X/08RR20MR
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R900586235 PV7-1X/25-30RE01MC3-16
R900517464 PV7-1X/25-30RE01MC5-16
R900919510 PV7-1X/25-30RE01MC5-16WG
R900933323 PV7-1X/25-30RE01MC5-16WH
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R901375575 PV7-1X/25-30RE01MC6-16
R900941543 PV7-1X/25-30RE01MC7-16
R987410063 PV7-1X/25-30RE01MCO16+PVV21X068RJ15DMB
R900509506 PV7-1X/25-30RE01MD0-16
R987065930 PV7-1X/25-30RE01MD0-16+ PV7/25-30RE01MD0
R900920739 PV7-1X/25-30RE01MD0-16-A234
R901382863 PV7-1X/25-30RE01MD5-16WH
R901022287 PV7-1X/25-30RE01MN0-16
R900768658 PV7-1X/25-30RE01MW0-16
R900744495 PV7-1X/25-30RE01MW0-16WH
R900705426 PV7-1X/25-30RE01MW5-16WH
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R901411159 PV7-1X/25-45RE01MC0-08-P25Q50
R987277980 PV7-1X/25-45RE01MC008+AZPF10-005RRR20MB
R987070684 PV7-1X/25-45RE01MC008+HY/ZFS11/4R213
R900538525 PV7-1X/25-45RE01MC3-08
R900535532 PV7-1X/25-45RE01MC5-08
R900576487 PV7-1X/25-45RE01MC5-08WH
R900551273 PV7-1X/25-45RE01MC7-08
R900751356 PV7-1X/25-45RE01MC7-08WG
R900568833 PV7-1X/25-45RE01MD0-08
R900782808 PV7-1X/25-45RE01MD0-08-A234
R900976176 PV7-1X/25-45RE01MN0-08
R900780016 PV7-1X/25-45RE01MW0-08WH
R900580384 PV7-1X/40-45RE37MC0-16
R987063936 PV7-1X/40-45RE37MC0-16LIM.32CC
R987065973 PV7-1X/40-45RE37MC0-16LIM.35CC
R987216583 PV7-1X/40-45RE37MC0-16LIM.37,5CC.
R987063461 PV7-1X/40-45RE37MC0-16LIM.38CC.(55LT.)
R978026029 PV7-1X/40-45RE37MC0-16SO43A-1821
R900970451 PV7-1X/40-45RE37MC0-16-A234
R900946174 PV7-1X/40-45RE37MC0-16-A276
R901047776 PV7-1X/40-45RE37MC0-16-A446
R901387535 PV7-1X/40-45RE37MC0-16-P80
R901381716 PV7-1X/40-45RE37MC0-16-P90
R987117272 PV7-1X/40-45RE37MC016+AZPF10-005RRR20MC*
R987126029 PV7-1X/40-45RE37MC016+PGH2-2X/008RE07VU2
R900590087 PV7-1X/40-45RE37MC3-16
R900935443 PV7-1X/40-45RE37MC3-16-A184
R900971765 PV7-1X/40-45RE37MC3-16-A276
R900502277 PV7-1X/40-45RE37MC5-16
R900910016 PV7-1X/40-45RE37MC5-16WG
R900553588 PV7-1X/40-45RE37MC5-16WH
R900954137 PV7-1X/40-45RE37MC6-16
R900959317 PV7-1X/40-45RE37MC7-16
R901032005 PV7-1X/40-45RE37MC7-16WG
R900705176 PV7-1X/40-45RE37MC7-16WH
R901161161 PV7-1X/40-45RE37MC8-16
R987065006 PV7-1X/40-45RE37MCO-16+VV1/36RJ15DMBA261
R987273006 PV7-1X/40-45RE37MCO16+A10VO45DFLR/31R-**
R987281907 PV7-1X/40-45RE37MCO16+A10VO45DFR/31R-**
R987063382 PV7-1X/40-45RE37MCO16+ PV7-40-45RE37MCO16
R900593330 PV7-1X/40-45RE37MD0-16
R900922602 PV7-1X/40-45RE37MD0-16-A234
R901438282 PV7-1X/40-45RE37MD0-16-P50Q36
R901464844 PV7-1X/40-45RE37MD0-16-P50Q39
R901160732 PV7-1X/40-45RE37MD3-16
R900533919 PV7-1X/40-45RE37MN0-16
R900979440 PV7-1X/40-45RE37MW0-16
R901055473 PV7-1X/40-45RE37MW0-16WG
R900700384 PV7-1X/40-45RE37MW0-16WH
R900740820 PV7-1X/40-45RE37MW0-16WH-A234
R901254170 PV7-1X/40-45RE37MW5-16WG
R901244836 PV7-1X/40-45RE37MW5-16WH
R901221506 PV7-1X/40-45RE37MW6-16WH
R901064326 PV7-1X/40-55RE37MC0-08-A449
R901116904 PV7-1X/40-55RE37MC3-08-A449
R900535588 PV7-1X/40-71RE37MC0-08
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R987127975 PV7-1X/40-71RE37MC0-08+PGH2-2X/008RR07VU
R987124737 PV7-1X/40-71RE37MC0-08+PGH2-2X/08RR07VU2
R900776736 PV7-1X/40-71RE37MC0-08-A184
R901320923 PV7-1X/40-71RE37MC0-08-A474
R987124720 PV7-1X/40-71RE37MC008+PGH2-2X/006RR07VU2
R900561581 PV7-1X/40-71RE37MC3-08
R900539468 PV7-1X/40-71RE37MC5-08
R900958545 PV7-1X/40-71RE37MC5-08-A234
R901197066 PV7-1X/40-71RE37MC5-08WG
R900711250 PV7-1X/40-71RE37MC5-08WH
R900719062 PV7-1X/40-71RE37MC7-08
R900751358 PV7-1X/40-71RE37MC7-08WG
R901163657 PV7-1X/40-71RE37MC7-08WH
R987064864 PV7-1X/40-71RE37MCO08+V7-1X/10-14RE01MC
R900539886 PV7-1X/40-71RE37MD0-08
R976718445 PV7-1X/40-71RE37MD0-08-A427
R901059512 PV7-1X/40-71RE37MW0-08WH
R987065694 PV7-1X/40-71REMCO08+ PV7-40-45RE37MCO16
R900506808 PV7-1X/63-71RE07MC0-16
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R987066973 PV7-1X/63-71RE07MC0-16TARATAA56CC;
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R900919509 PV7-1X/63-94RE07MC5-08WG
R900937203 PV7-1X/63-94RE07MC5-08WH
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R900948499 PV7-1X/63-94RE07MN0-08
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力士樂REXROTH變量葉片泵，直接控制PV7...A
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R901410890 PV7-1X/06-10RA01MA0-05-P50Q15
R900563233 PV7-1X/06-10RA01MA0-10
R983035222 PV7-1X/06-10RA01MA0-10IN010
R987072100 PV7-1X/06-10RA01MA0-10(DR=70BAR)
R987072365 PV7-1X/06-10RA01MA0-10(DR=100BAR)
R987062497 PV7-1X/06-10RA01MA0-10LIM.6CC.
R901026649 PV7-1X/06-10RA01MA0-10-A441
R900963916 PV7-1X/06-10RA01MA0-10-A501
R901384143 PV7-1X/06-10RA01MA0-10-C3.1
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R901410775 PV7-1X/06-10RA01MA0-10-P55Q12
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力士樂REXROTH葉片泵固定位移PVV
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R978918215 PVV1-1X/018RR15LVB
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R900940260 PVV1-1X/027RJ15UMB
R978911600 PVV1-1X/027RR15LMB
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REXROTH葉片泵PV7-1A/25-30RE01MC0-16


液壓泵是液壓系統(tǒng)的動(dòng)力元件，其功用是給液壓系統(tǒng)提供壓力油，從能量轉(zhuǎn)換角度講，它將是原動(dòng)機(jī)（如發(fā)動(dòng)機(jī)）輸出的機(jī)械能轉(zhuǎn)換為便于輸送的液體的壓力能。液壓馬達(dá)則屬于執(zhí)行元件，它能將輸入液體的壓力能轉(zhuǎn)換為輸出軸轉(zhuǎn)動(dòng)的機(jī)械能，用來拖動(dòng)負(fù)載做功。根據(jù)結(jié)構(gòu)形式，液壓泵與液壓馬達(dá)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(dá)）在實(shí)際工作時(shí)輸出（或輸入）油液的壓力，由外負(fù)載決定。
額定壓力是指在正常工作條件下，按試驗(yàn)標(biāo)準(zhǔn)規(guī)定能連續(xù)運(yùn)轉(zhuǎn)的*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(dá)）的使用壽命將會(huì)比設(shè)計(jì)的壽命短。當(dāng)工作壓力大于額定壓力時(shí)稱超載。
2.轉(zhuǎn)速
工作轉(zhuǎn)速是指泵（或馬達(dá)）在工作時(shí)的實(shí)際轉(zhuǎn)動(dòng)速度。
額定轉(zhuǎn)速是指在額定壓力下，能連續(xù)長時(shí)間正常運(yùn)轉(zhuǎn)的*高轉(zhuǎn)速。若泵超過額定轉(zhuǎn)速工作將會(huì)造成吸油不足，產(chǎn)生振動(dòng)和大的噪聲，零件會(huì)遭受氣蝕損傷，壽命降低。
*低穩(wěn)定轉(zhuǎn)速是指馬達(dá)正常運(yùn)轉(zhuǎn)所允許的*低轉(zhuǎn)速。在此轉(zhuǎn)速下，馬達(dá)不出現(xiàn)爬行現(xiàn)象。
3.排量、流量
排量是指泵（或馬達(dá)）每轉(zhuǎn)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(zhuǎn)）。排量可以通過調(diào)節(jié)發(fā)生變化的成為變量泵（或變量馬達(dá)），排量不能變化的成為定量泵（或定量馬達(dá)）。
實(shí)際流量是指泵（或馬達(dá)）工作時(shí)出口處（或進(jìn)口處）的流量。由于泵本身存在內(nèi)泄漏，其實(shí)際流量小于理論流量。由于馬達(dá)本身也存在內(nèi)泄漏，要實(shí)現(xiàn)指定轉(zhuǎn)速，為補(bǔ)償泄漏量，其輸入實(shí)際流量必須大于理論流量。
4.效率
容積效率，對(duì)液壓泵是指其實(shí)際流量與理論流量的比值。對(duì)液壓馬達(dá)是指其理論流量與實(shí)際流量的比值。
機(jī)械效率，對(duì)液壓泵是指其理論轉(zhuǎn)矩與實(shí)際輸入轉(zhuǎn)矩的比值。對(duì)液壓馬達(dá)其實(shí)際輸出的轉(zhuǎn)矩為理論轉(zhuǎn)矩克服摩擦力后的轉(zhuǎn)矩，因此其機(jī)械效率為實(shí)際輸出轉(zhuǎn)矩與理論轉(zhuǎn)矩的比值。
總效率是指泵（或馬達(dá)）的輸出功率與輸入功率的比值。總效率等于容積效率與機(jī)械效率的乘積。
REXROTH葉片泵PV7-1A/25-30RE01MC0-16
力士樂REXROTH葉片泵
力士樂REXROTH可調(diào)葉片泵，先導(dǎo)操縱PV7...C/D/N/W
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REXROTH葉片泵PV7-1A/25-30RE01MC0-16