VT-VRRA1-537-20/V0石油行業(yè)的力士樂(lè)REXROTH放大器

博士力士樂(lè)電液比例閥對(duì)簡(jiǎn)化工程機(jī)械操作、提高效率和作業(yè)精度以及實(shí)現(xiàn)智能化作業(yè)都有著極其重要意義，其性能進(jìn)步提高和應(yīng)用范疇日益拓寬必將使工程機(jī)械技巧到較大程度提高。

博士力士樂(lè)電液比例閥包含比例流量閥、比例壓力閥、比例換向閥。工程機(jī)械液壓操作特點(diǎn)，以結(jié)構(gòu)形式劃分電液比例閥主要有兩類(lèi)：類(lèi)是螺旋插裝式比例閥（screwincartridgeproportionalvalve），另類(lèi)是滑閥式比例閥（spoolproportionalvalve）。

VT-VRRA1-537-20/V0石油行業(yè)的力士樂(lè)REXROTH放大器

博士力士樂(lè)螺旋插裝式比例閥是螺紋將電磁比例插裝件固定油路集成塊上元件，螺旋插裝閥應(yīng)用機(jī)動(dòng)、節(jié)省管路和成本廉等特點(diǎn)，近年來(lái)工程機(jī)械上應(yīng)用越來(lái)越普遍。常用螺旋插裝式比例閥有二通、三通、四通和多通等形式，二通式比例閥主比例節(jié)流閥，它常它元件起構(gòu)成復(fù)合閥，對(duì)流量、壓力進(jìn)行把持；三通式比例閥主比例減壓閥，也是移動(dòng)式機(jī)械液壓系統(tǒng)中應(yīng)用較多比例閥，它主對(duì)液動(dòng)操作多路閥先導(dǎo)油路進(jìn)行操作。利用三通式比例減壓閥可以代替?zhèn)鹘y(tǒng)手動(dòng)減壓式先導(dǎo)閥，它比手動(dòng)先導(dǎo)閥多機(jī)動(dòng)性和高把持精度?？梢灾瞥扇鐖D1所示比例伺服把持手動(dòng)多路閥，不同輸入信號(hào)，減壓閥使輸出活塞不同壓力或流量進(jìn)而實(shí)現(xiàn)對(duì)多路閥閥芯位移進(jìn)行比例把持。四通或多通螺旋插裝式比例閥可以對(duì)工作裝置實(shí)現(xiàn)單把持。

博士力士樂(lè)滑閥式比例閥又稱(chēng)分配閥，是移動(dòng)式機(jī)械液壓系統(tǒng)zui基礎(chǔ)元件之，是能實(shí)現(xiàn)方向與流量調(diào)節(jié)復(fù)合閥。電液滑閥式比例多路閥是比較理想電液轉(zhuǎn)換把持元件，它保存了手動(dòng)多路閥基礎(chǔ)功效，還增加了地位電反饋比例伺服操作和負(fù)載傳感等把持手段。它是工程機(jī)械分配閥新?lián)Q代。

出于成本考慮和工程機(jī)械把持精度要求不高特點(diǎn)，般比例多路閥內(nèi)不配置位移感應(yīng)傳感器，電子檢測(cè)和糾錯(cuò)功效。，閥芯位移量容易受負(fù)載變化引起壓力波動(dòng)影響，操作進(jìn)程中要靠視覺(jué)察看來(lái)保證作業(yè)完成。電控、遙控操作時(shí)應(yīng)注意外界干預(yù)影響。近來(lái)，電子技巧發(fā)展，人們?cè)絹?lái)越多采用內(nèi)裝差動(dòng)變壓器（ＬＤＶＴ）等位移傳感器構(gòu)成閥芯地位移動(dòng)檢測(cè)，實(shí)現(xiàn)閥芯位移閉環(huán)把持。這種由電磁比例閥、地位反饋傳感器、驅(qū)動(dòng)放大器和其它電子電路組成高度集成比例閥，定校正功效，可以有效克服般比例閥缺點(diǎn)，使把持精度到較大提高。

R900324216 STEUERMOTOR 4WSE2EM 10 -4X/B2K
R900970565 4WSE2EM6-2X/5B9ET210K17EV
R900952168 4WSE2EM6-2X/20B9ET315K17EV
R900946396 4WSE2EM10-5X/60B9ET315K31EV
R900944630 4WS2EM16-2X/200B12T315K8CV-114
R900909219 4WS2EM10-5X/75B11ET315K31EV
R900318399 BAUSATZ 4WS2EB 10-4X/..B1.140K8M
R900318109 BAUSATZ 4WS2EB 10-4X/..B2.140K8V
R900317697 DICHTUNGSSATZ 4WS2E.10-3X/
R900317696 DICHTUNGSSATZ 4WS2E.10-3X/V
R900317549 BAUSATZ 4WS2EM 10-4X/B3.315K8.V 1.STUFE
R900317548 BAUSATZ 4WS2EM 10-4X/B2.315K8.V 1.STUFE
R900317546 BAUSATZ 4WS2EM 10-4X/B3.315K8.M 1.STUFE
R900317545 BAUSATZ 4WS2EM 10-4X/B2.315K8.M 1.STUFE
R900317530 DUESE 4WS2EM 10-4X/..315..V *BG
R900317529 DUESE 4WS2EM10-4X/315M BG
R900312982 DICHTUNGSSATZ 4WS2E.16-2X/M
R900312859 DICHTUNGSSATZ 4WSE3EE16-1X/FKM
R900312858 DICHTUNGSSATZ 4WSE3EE16-1X/NBR
R900312857 DICHTUNGSSATZ 4WSE3EE25-2X/FKM
R900312856 DICHTUNGSSATZ 4WSE3EE25-2X/NBR
R900312855 DICHTUNGSSATZ 4WSE3EE32-4X/FPM
R900312723 DICHTUNGSSATZ 4WS2EM6-1X/M
R900311890 DICHTUNGSSATZ 4WS2E.10-41/V
R900311889 DICHTUNGSSATZ 4WS2E.10-41/M
R900307154 FILTER 4WS2EM 16-1X/
R900306843 FILTER 4WS2EM 10-4X/V
R900304749 DICHTUNGSSATZ 4WS3EE22-1X/V
R900304747 DICHTUNGSSATZ 4WS2EM16-1X/V
R900304746 DICHTUNGSSATZ 4WS2EM16-1X/M
R900304738 DICHTUNGSSATZ 4WS2EB8-1X/.B
R900304735 DICHTUNGSSATZ 4WS2EM/EE10-1X/2X/
R900249850 4WSE2EE10-4X/75B8ET315K9EV-76
R900249719 4WS2EB10-4X/45B3ET40K8AV
R900248931 4WSE2EM6-2X/10B8ET315K17EV
R900248889 4WSE3EE25-2X/300B9ET315K9AV
R900248856 4WSE2EM10-4X/0B9ET315K13EM-88
R900248456 4WS2EM6-2X/2B12ET210K17EV
R900246749 4WS2EM10-4X/10B2ET315K8BV
R900246468 4WS2EM10-5X/75B11T315K31EV
R900244674 4WS2EM10-5X/20B11ET315K8BV
R900244119 4WS2EM10-5X/60B11T315K31EV
R900243949 4WS2EM6-2X/10B11ET210K17EV
R900243941 4WS2EM10-5X/75B11ET315K31DV
R900224031 BOLZEN M3X 12,0 SW 5,5 4WS2EM10-5X/90-4
R900217722 KAPPE 4WS2EM 6 -2X/
R900209910 GEHAEUSE 4WS2EM 6 -20/
R900191757 SCHRAUBE 4WS2EE10-4X/...
R900189937 DECKEL 4WS2E. 10-4X/
R900189899 HUELSE 4WS2E.10-4X/75D
R900189897 HUELSE 4WS2E.10-4X/75B
R900189895 HUELSE 4WS2E.10-4X/60D
R900189892 HUELSE 4WS2E.10-4X/60A
R900189891 HUELSE 4WS2E.10-4X/45D
R900189889 HUELSE 4WS2E.10-4X/45B
R900189888 HUELSE 4WS2E.10-4X/45A
R900189887 HUELSE 4WS2E.10-4X/30D
R900189885 HUELSE 4WS2E.10-4X/30B
R900189884 HUELSE 4WS2E.10-4X/30A
R900189883 HUELSE 4WS2E.10-4X/20D
R900189881 HUELSE 4WS2E.10-4X/20B
R900189880 HUELSE 4WS2E.10-4X/20A
R900189879 HUELSE 4WS2E.10-4X/10D
R900189877 HUELSE 4WS2E.10-4X/10B
R900189876 HUELSE 4WS2E.10-4X/10A
R900189875 HUELSE 4WS2E.10-4X/5D
R900189873 HUELSE 4WS2E.10-4X/5B
R900189855 DECKEL 4WS2EB10-4X/
R900189854 SCHRAUBE 4WS2EB10-4X/...
R900189852 SCHRAUBE 4WS2EB10-4X/...
R900189850 DECKEL 4WS2EB10-4X/
R900189848 DECKEL 4WS2EE10-4X/
R900189846 ROHR 4WS2E. 10-4X/
R900033120 VT-SR1-1X/0/4WS2EE10
R900032125 DICHTUNG 4WS2E. 10-5X/
R900032091 BLENDE 0,2 / 4WS2E.
R900032090 BLENDE 0,23/ 4WS2E.
R900031768 VTS 0609-2X/E (4WS2EM6-1X)
R900031765 VTS 0609-2X/F (4WS2EM10-4X)
R900030082 SCHILD 4WSE2E. 10 -50/ B9.K31
R900029056 VT-SR4-1X/1/4WS1EO6
R900869840 ASSEMBLY KIT 4WS2EM6-20/MOTOR0,33&
R900869839 ASSEMBLY KIT 4WS2EM6-20/MOTOR 0,50
R900869838 ASSEMBLY KIT 4WS2EM6-20/MOTOR 0,33
R900828301 SCHRAUBE M7X0,75X 4,0 SW 3 4WS2E.10-50/
R900718707 4WSE2EM6-2X/20B8ET315K17EV
R900020207 VT 1610-3X/E1/4WS2EE10
R900618307 4WS2EM10-5X/20B11-210K31EV
R900328935 ASSEMBLY KIT 4WS2EM10-4X/S.EINHEIT
R900317697 SEAL KIT 4WS2E.10-3X/