0811404440力士乐比例阀

0811404440力士乐比例阀 德国原装博世力士乐REXROTH比例阀 比例伺服阀 比例溢流阀
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0811404440力士乐比例阀

特点

1)可实现压力、速度的无较调节，避免了常通的开关式气阀换向时的冲击现象。

2)能实现远程控制和程序控制。

3)与断续控制相比，系统简化，元件大大减少。

4)与液压比例阀相比，体积小、重量轻、结构简单、成本较低，但响应速度比液压系统慢得多，对负载变化也比较敏感。

5)使用功率小、发热少、噪声低。

6)不会发生火灾，不污染环境。受温度变化的影响小。

电液比例阀是采用了比例控制技术,介于开关型液压阀和电液伺服阀之间的-种液压元件,在工业生产中获得了广泛的应用,输入的电信号有模拟式和数字式两大类,可以用于控制位置(转角)、速度(转速)、加速度(角加速度)、压力(压差)、力(力矩)等参数。电液比例阀等元件可以组成如下三类控制回路和系统

(1)电液比例压力控制回路和系统。例如:用于带钢热连轧机卷取机液压辅助系统的电液比例压力控制回路,用于板带轧机辊缝控制的液压推上系统电液比例压力控制回路,用于带材卷取设备恒张力的闭环电液比例压力控制回路;

(2)电液比例流量控制回路和系统。例如:用于带钢热连轧机精轧机平衡液压系统的电液比例压力控制回路,用于机床微进给的电液比例控制回路,用于旋压机折板机同步的电液比例控制回路,用于电梯的电液比例控制回路;

(3)电液比例多参数控制回路和系统。例如:用于带钢热连轧机精轧换辊液压系统的电液比例压力控制回路,用于液压缸垂直配置而采用wI型阀芯的比例控制回路,用于热轧钢卷步进链式运输机的速度、加减速度控制回路。

0811404440力士乐比例阀

 

符号 E. 和 W.

4WRLE 型阀门是一个带电气位置反馈和集成电子元件 (OBE) 的先导式方向控制阀。

结构

阀门基本构成包括 3 个主要组件：

先导控制阀 (1) 带有控制阀芯和套筒、复位弹簧、控制线圈和感应式位置传感器（可选配电子元件保护膜 (5) 和衰减阀板 (4)）

带对中弹簧和位置反馈的主阀 (2)

带模拟 (6) 或 IO-Link 接口的集成电子元件 (OBE) (3)

功能

当集成控制电子元件 (OBE) 被关闭或处于不活动状态时，则先导控制阀的控制阀芯在弹簧作用下置于"故障安全"位置。主阀的控制阀芯位于其弹簧对中中心位置。

集成控制电子元件 (OBE) 将****控制值与主阀控制阀芯的位置实际值进行比较。在有控制偏差的情况下，将激活控制线圈。由于磁力发生改变，先导控制阀芯将扺住弹簧进行调节。

通过控制剖面激活的流量会导致主控制阀芯的调整。主控制阀芯的行程/控制剖面通过与控制值的比例进行调节。

先导油可通过油口 P 从内部供给先导控制阀，也可通过油口 X 从外部供给先导控制阀。可通过油口 T 从内部实现到油箱的反馈，也可以通过油口 Y 从外部实现。

控制线圈断电

在以下错误情况下，集成电子元件 (OBE) 使控制线圈断电，先导控制阀芯将设置为"故障安全"位置，并将卸载主阀的先导油腔。通过弹簧操作，主阀控制阀芯将移动至中心位置。

低于较小电源电压

仅在接口 "F1" 处：

低于较小电流控制值 2 mA（包括控制值线的电缆中断（电流环））。

仅在接口 "L1" 处：

使能未激活，通讯中断（看门狗）

内部 IO-Link 发生故障时

仅在接口 "C6" 处：

额外使能未激活

衰减阀板 "D"

衰减阀板 (4) 降低集成电子元件上的加速振幅（频率 >300 Hz）。

注意：

对于主要为低激励频率 (<300 Hz) 的应用，不建议使用衰减阀板。

电子元件保护膜 "-967"

为避免在集成电子元件 (OBE) 壳体中出现冷凝液，可使用电子元件保护膜 (5)。

建议用于空气湿度高且周期温度变化明显的外部工业标准条件（例如室外）。

注意：

具有正遮盖的先导式三位四通方向控制阀适用于可控制或可调节的轴。断电状态下的遮盖约为控制阀芯行程的 20 %。关闭电气电源电压时，驱动器可在功能方向 P 至 B 上短时间加速。

比例阀供应型号

力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版（OBE）4WRLE

R901404333 4WRLE16E1-250LJ-4X/MXY/24A1

R901440167 4WRLE16E250LJ-4X/MPT/24A1

R901404332 4WRLE16E250LJ-4X/MXY/24A1

R901430024 4WRLE16E250LJ-4X/MXY/24A1=KM

R901401891 4WRLE16W6-200LJ-4X/MXY/24A1

R901404334 4WRLE16W8-200LJ-4X/MXY/24A1

R901404809 4WRLE25E1-400LJ-4X/MXY/24A1

R901396318 4WRLE25E400LJ-4X/MXY/24A1

R901400416 4WRLE25E400LJ-4X/MXY/24F1

R901404336 4WRLE25W6-350LJ-4X/MXY/24A1

R901407266 4WRLE25W6-350LJ-4X/MXY/24A1-971=KM

R901407272 4WRLE25W6-350LJ-4X/MXYWX/24A1-971=KM

R901404810 4WRLE25W8-350LJ-4X/MXY/24A1

R901404812 4WRLE27E1-600LJ-4X/MXY/24A1

R901396320 4WRLE27E600LJ-4X/MXY/24A1

R901400418 4WRLE27E600LJ-4X/MXY/24F1

R901432335 4WRLE27E600LJ-4X=MXT/24F1-834

R901404338 4WRLE27W6-430LJ-4X/MXY/24A1

R901404813 4WRLE27W8-430LJ-4X/MXY/24A1

R901439962 4WRLE35E1500LJ-4X/MXY/24A1-905

力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版（OBE）4WRLE.V

0811404688 4WRLE10V1-40P-3X/G24K0/A1M

R901217842 4WRLE10V1-55L-3X/G24ETK0/A1M

R901285149 4WRLE10V1-55L-3X/G24K0/F1M

R901156561 4WRLE10V1-55M-3X/G24EK0/A1M

R901276897 4WRLE10V1-55M-3X/G24EK0/A1V

0811404671 4WRLE10V1-55M-3X/G24K0/A1M

0811404689 4WRLE10V1-70P-3X/G24K0/A1M

R901335054 4WRLE10V1-85L-3X/G24EK0/A1M

R901217844 4WRLE10V1-85L-3X/G24ETK0/A1M

0811404397 4WRLE10V1-85M-3X/G24EK0/A1M

0811404676 4WRLE10V1-85M-3X/G24EK0/F1M

0811404673 4WRLE10V1-85M-3X/G24ETK0/A1M

0811404672 4WRLE10V1-85M-3X/G24K0/A1M

R901219315 4WRLE10V1-85M-3X/G24K0/F1M

R901421582 4WRLE10V1-85M-3X/G24TK0/A1M

R901401438 4WRLE10V100P-3X/G24K0/F1V-979

R901225019 4WRLE10V40P-3X/G24ETK0/A1M

0811404686 4WRLE10V40P-3X/G24K0/A1M

R901424653 4WRLE10V55L-3X/G24EK0/A1M

R901125218 4WRLE10V55L-3X/G24ETK0/A1M

R901275065 4WRLE10V55L-3X/G24ETK0/F1M

R901253009 4WRLE10V55L-3X/G24K0/A1M

R901439710 4WRLE10V55L-3X/G24K0/F1M

0811404661 4WRLE10V55M-3X/G24ETK0/A1M

0811404678 4WRLE10V55M-3X/G24ETK0/A1M-810

0811404657 4WRLE10V55M-3X/G24ETK0/A1V

R901444775 4WRLE10V55M-3X/G24ETK0/F1M

0811404652 4WRLE10V55M-3X/G24K0/A1M

0811404663 4WRLE10V55M-3X/G24K0/B5M

R901091344 4WRLE10V55M-3X/G24K0/F1M

R901348953 4WRLE10V55M-3X/G24K0/F1V

0811404659 4WRLE10V55M-3X/G24TK0/A1M

R901154526 4WRLE10V70P-3X/G24EK0/A1M

R901158977 4WRLE10V70P-3X/G24EK0/F1M

R901357568 4WRLE10V70P-3X/G24ETK0/A1M

R901422475 4WRLE10V70P-3X/G24ETK0/F1M

0811404687 4WRLE10V70P-3X/G24K0/A1M

R901208429 4WRLE10V70P-3X/G24K0/F1M

R901338129 4WRLE10V85L-3X/G24EK0/A1M

R901289817 4WRLE10V85L-3X/G24EK0/F1M

R901125217 4WRLE10V85L-3X/G24ETK0/A1M

R901292791 4WRLE10V85L-3X/G24ETK0/A1V

R901336506 4WRLE10V85L-3X/G24ETK0/F1M

R901290821 4WRLE10V85L-3X/G24K0/A1M

R901403219 4WRLE10V85L-3X/G24K0/F1M

R901341951 4WRLE10V85L-3X/G24TK0/A1M

R901364915 4WRLE10V85L-3X/G24TK0/A1M-303

R901083703 4WRLE10V85M-3X/G24EK0/A1M

0811404675 4WRLE10V85M-3X/G24EK0/F1M

0811404662 4WRLE10V85M-3X/G24ETK0/A1M

0811404683 4WRLE10V85M-3X/G24ETK0/A1M-810

R978714390 4WRLE10V85M-3X/G24ETK0/A1V

0811404681 4WRLE10V85M-3X/G24ETK0/F1M

R901231667 4WRLE10V85M-3X/G24ETK0/F1M-834

R901440504 4WRLE10V85M-3X/G24ETK0/F1WX00M-914

R901440505 4WRLE10V85M-3X/G24ETK0/F1WX08M-914

0811404653 4WRLE10V85M-3X/G24K0/A1M

0811404679 4WRLE10V85M-3X/G24K0/A1M-834

R901204818 4WRLE10V85M-3X/G24K0/A1V

0811404664 4WRLE10V85M-3X/G24K0/B5M

R901110878 4WRLE10V85M-3X/G24K0/F1M

0811404660 4WRLE10V85M-3X/G24TK0/A1M

0811404655 4WRLE10V85M-3X/G24TK0/B5M-766

R901325221 4WRLE10V85M-3X=G24K0/F1M-980

R901363305 4WRLE16V1-120L-3X/G24EK0/F1M

R901289166 4WRLE16V1-120L-3X/G24ETK0/A1M

R901403751 4WRLE16V1-120L-3X/G24ETK0/A1V

R901363329 4WRLE16V1-120L-3X/G24ETK0/F1M

R901363300 4WRLE16V1-120L-3X/G24K0/A1M

R901137425 4WRLE16V1-120L-3X/G24K0/F1M

R901266881 4WRLE16V1-120L-3X/G24TK0/A1M

R901212728 4WRLE16V1-120M-3X/G24EK0/A1M

0811404281 4WRLE16V1-120M-3X/G24ETK0/A1M

R901424054 4WRLE16V1-120M-3X/G24ETK0/A1V

0811404279 4WRLE16V1-120M-3X/G24K0/A1M

R901118991 4WRLE16V1-120M-3X/G24K0/F1M

R901094014 4WRLE16V1-120M-3X/G24TK0/A1M

R901222292 4WRLE16V1-150P-3X/G24EK0/A1M

R901211120 4WRLE16V1-150P-3X/G24EK0/F1M

0811404266 4WRLE16V1-150P-3X/G24K0/A1M

R901338820 4WRLE16V1-150P-3X/G24K0/F1M

R901302627 4WRLE16V1-200L-3X/G24EK0/A1M

R901387709 4WRLE16V1-200L-3X/G24EK0/F1M

R901406575 4WRLE16V1-200L-3X/G24EK0/F1V

R901324529 4WRLE16V1-200L-3X/G24ETK0/A1M

R901376684 4WRLE16V1-200L-3X/G24K0/A1M

R901438603 4WRLE16V1-200L-3X/G24K0/F1M

R901250273 4WRLE16V1-200M-3X/G24EK0/A1M

0811404282 4WRLE16V1-200M-3X/G24ETK0/A1M

R901403743 4WRLE16V1-200M-3X/G24ETK0/A1V

0811404280 4WRLE16V1-200M-3X/G24K0/A1M

R901191553 4WRLE16V1-200M-3X/G24K0/F1M

R901422473 4WRLE16V1-200M-3X/G24TK0/A1M

R901132613 4WRLE16V1-200M-3X/G24TK0/A1V

R901262590 4WRLE16V1-90P-3X/G24EK0/A1M

0811404265 4WRLE16V1-90P-3X/G24K0/A1M

R901128116 4WRLE16V120L-3X/G24ETK0/A1M

R901343003 4WRLE16V120L-3X/G24ETK0/F1M

R901125220 4WRLE16V120L-3X/G24K0/A1M

R901335383 4WRLE16V120L-3X/G24K0/A1V

R901369277 4WRLE16V120L-3X/G24K0/F1M

R901354930 4WRLE16V120L-3XG24EK0/A1M

R901136889 4WRLE16V120M-3X/G24EK0/A1M

R901386485 4WRLE16V120M-3X/G24EK0/F1M

R978714486 4WRLE16V120M-3X/G24ETK0/A1M

0811404285 4WRLE16V120M-3X/G24ETK0/A1M-857

R901199240 4WRLE16V120M-3X/G24ETK0/F1M-834

R901360765 4WRLE16V120M-3X/G24ETK0/F1WX00M-914

0811404250 4WRLE16V120M-3X/G24K0/A1M

R901190574 4WRLE16V120M-3X/G24K0/A1M-303

R901102640 4WRLE16V120M-3X/G24K0/A1V

0811404271 4WRLE16V120M-3X/G24K0/B5M-991

R901156270 4WRLE16V120M-3X/G24K0/F1M

R901132535 4WRLE16V120M-3X/G24TK0/A1V

R987209598 4WRLE16V150P-3X/G24EK0/A1M

R901168211 4WRLE16V150P-3X/G24EK0/F1M

R901105318 4WRLE16V150P-3X/G24ETK0/A1M

R901162989 4WRLE16V150P-3X/G24ETK0/F1M

0811404264 4WRLE16V150P-3X/G24K0/A1M

R901241364 4WRLE16V150P-3X/G24K0/F1M

R901427135 4WRLE16V200L-3X/G24EK0/A1M

R901128117 4WRLE16V200L-3X/G24ETK0/A1M

R901328405 4WRLE16V200L-3X/G24ETK0/F1M

R901125221 4WRLE16V200L-3X/G24K0/A1M

R901135270 4WRLE16V200L-3X/G24K0/F1M

R901378460 4WRLE16V200L-3X/G24K0/F1V

R901087984 4WRLE16V200M-3X/G24EK0/A1M

0811404284 4WRLE16V200M-3X/G24EK0/F1M

R901089293 4WRLE16V200M-3X/G24ETK0/A1M

0811404288 4WRLE16V200M-3X/G24ETK0/A1M-857

R978714397 4WRLE16V200M-3X/G24ETK0/A1V

0811404343 4WRLE16V200M-3X/G24ETK0/F1M

R901359853 4WRLE16V200M-3X/G24ETK0/F1M-834

0811404251 4WRLE16V200M-3X/G24K0/A1M

0811404287 4WRLE16V200M-3X/G24K0/A1M-834

0811404346 4WRLE16V200M-3X/G24K0/A1M-857

R901199725 4WRLE16V200M-3X/G24K0/A1V

0811404269 4WRLE16V200M-3X/G24K0/B5M

0811404272 4WRLE16V200M-3X/G24K0/F1M

R901114932 4WRLE16V200M-3X/G24K0/F1M-834

R901302584 4WRLE16V200M-3X/G24K0/F1V

R978714415 4WRLE16V200M-3X/G24TK0/A1M

R901241644 4WRLE16V200M-3X/G24TK0/F1M

R901274432 4WRLE16V200M-3X/G24TK0/F1M-834

R901366946 4WRLE16V200P-3X/G24K0/F1V-979

R901134551 4WRLE16V250M-3X/G24EK0/A1M-913

0811404334 4WRLE16V250M-3X/G24K0/A1M

R901145186 4WRLE16V90P-3X/G24ETK0/A1M

0811404263 4WRLE16V90P-3X/G24K0/A1M

R901301533 4WRLE16V90P-3X/G24K0/F1M

R901442926 4WRLE16V90P-3X/G24TK0/F1M

R901263605 4WRLE25V1-300P-3X/G24EK0/A1M

R901240355 4WRLE25V1-300P-3X/G24EK0/F1M

R901330884 4WRLE25V1-300P-3X/G24ETK0/F1M

R901371564 4WRLE25V1-300P-3X/G24K0/A1M

R901338788 4WRLE25V1-300P-3X/G24K0/F1M

R901362469 4WRLE25V1-370L-3X/G24EK0/A1M

R901354690 4WRLE25V1-370L-3X/G24ETK0/A1M

R901370611 4WRLE25V1-370L-3X/G24K0/A1M

R901285142 4WRLE25V1-370L-3X/G24K0/F1M

R901292816 4WRLE25V1-370M-3X/G24EK0/A1M

0811404444 4WRLE25V1-370M-3X/G24K0/A1M

R901129870 4WRLE25V1-370M-3X/G24K0/F1M

R901140507 4WRLE25V1-370M-3X/G24TK0/F1M

0811404569 4WRLE25V250M-3X/G24K0/A1M

R901197837 4WRLE25V300P-3X/G24EK0/A1M

R901119407 4WRLE25V300P-3X/G24ETK0/A1M

R901411774 4WRLE25V300P-3X/G24ETK0/F1M

R901119406 4WRLE25V300P-3X/G24K0/A1M

R901358294 4WRLE25V300P-3X/G24K0/F1M

R901354055 4WRLE25V370L-3X/G24EK0/A1M

R901292609 4WRLE25V370L-3X/G24ETK0/A1M

R901403841 4WRLE25V370L-3X/G24ETK0/F1M

R901194490 4WRLE25V370L-3X/G24K0/A1M

R901314144 4WRLE25V370L-3X/G24K0/F1M

R901410218 4WRLE25V370L-3X/G24K0/F1M-834

R901289465 4WRLE25V370L-3X/G24TK0/A1M

R901087982 4WRLE25V370M-3X/G24EK0/A1M

0811404570 4WRLE25V370M-3X/G24EK0/F1M

0811404498 4WRLE25V370M-3X/G24ETK0/A1M

R901118992 4WRLE25V370M-3X/G24ETK0/F1M

R901432501 4WRLE25V370M-3X/G24ETK0/F1M-834

0811404430 4WRLE25V370M-3X/G24K0/A1M

R901190572 4WRLE25V370M-3X/G24K0/A1M-303

0811404497 4WRLE25V370M-3X/G24K0/A1M-834

R901358451 4WRLE25V370M-3X/G24K0/A1V

R901131728 4WRLE25V370M-3X/G24K0/B5M

0811404573 4WRLE25V370M-3X/G24K0/F1M

R901114933 4WRLE25V370M-3X/G24K0/F1M-834

R901204701 4WRLE25V370M-3X/G24TK0/A1M

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R901350388 4WRLE25V370M-3X/G24TK0/F1M-834

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R901126909 4WRLE27V550P-3X/G24EK0/A1M-911

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力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版（OBE）4WRLE.E(W)

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0811404505 4WRLE35W3-1100SJ-3X/G24EK0/A1WX02M-745

0811404503 4WRLE35W3-600SJ-3X/G24EK0/A1WX02M-745

比例控制技术是在开关控制技术和伺服控制技术之间的过渡技术，采用比例放大器控制比例电磁铁，实现对比例阀的连续控制，从而实现对液压系统压力、流量、方向的无级调节；但是用比例方向阀进行速度控制时，如果负载是变化的，那么执行元件的速度就会受负载变化的影响（负载小时速度快，负载大时速度慢）；于是在系统设计时，人们引入了压力补偿器，它可以使比例阀阀口的压差保持恒定，使执行元件的速度不受负载变化的影响。

通过节流口的流量只与节流口的开口面积成正比。 对比例方向阀而言, 进油节流口的开口面积与比例方向阀的输入电流信号有关,而与负载的变化无关。 亦即升降油缸的供油流量 Q 只与比例方向阀的输入电流信号有关,与负载的变化无关。

补偿器主要用于节流调速系统 ，即补偿比例阀口的压差，在定量泵系统中得到了广泛的应用；但这种应用不可避免地会产生一定的溢流损失；如果二通压力补偿器与泵控压力补偿器配合使用，则可以实现容积节流调速。