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4WRKE16R200L-3X/6EG24EK31/A1D3M比例方向阀

伺服阀，

1、基本结构：

主阀体（阀芯/阀套）、先导阀（伺服射流管）、电气控制盒（放大版）

2、工作原理

伺服射流管先导级

射流管先导级主要由力矩马达、射流管和接收器组成。

当线圈中有电流通过时,产生的电磁力使射流管喷嘴偏离零位,管内的大部分液流集中射向一侧的接收器,而另一侧接收 器所得到的流量减少,由此造成两接收器的压力变化。主阀阀芯因此压差而产生位移。

先导级的泄漏油通过喷嘴环形区域处的排出通道直接回油箱。

多级阀的工作原理

多级阀中的功率级阀芯的位置闭环控制是由阀内控制电路来实现的。对控制电路中的位移控制器输入一个指令信号(与阀期望输出的流量成正比),同时位移传感器通过一激励器测出功率级阀芯的实际位移(以与实际位移成正比的电压形式出现),次位移信号被调解并反馈至位移控制器与指令信号相比较,得出的偏移信号驱动先导级并使功率级阀芯

产生位移,直至偏差信号为零。

比例控制阀可分为压力控制阀，流量控制及方向控制阀三类。

压力控制阀:用比例电磁阀取代引导式溢流阀的手调装置便成为引导式比例溢流阀，其输出的液压压力由输入信号连续或按比例控制。

流量控制阀:用比例电磁阀取代节流阀或调速阀的手调装置而以输入信号控制节流阀或调速阀之节流口开度，可连续或按比例地控制其输出流量。故节流口的开度便可由输入信号的电压大小决定。

方向控制阀:比例电磁阀取代方向阀的一般电磁阀构成直动式比例方向阀，其滑轴不但可以换位，而且换位的行程可以连续或按比例地变化，因而连通油口间的通油面积也可以连续或按比例地变化，所以比例方向控制阀不但能控制执行元件的运动方向外，还能控制其速度。

力士乐REXROTH方向控制阀

力士乐REXROTH高响应换向阀，直接操作

力士乐REXROTH高响应方向阀，直动式、电气位置反馈和集成电子放大版（OBE）CE

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力士乐REXROTH带电气位置反馈的高响应阀（LVDT的直流/直流±10 V）4WRPH 6

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力士乐REXROTH电气位置反馈的高响应阀（LVDT的直流/直流）（设计：坚固耐用的）4WRPH..2X..-750

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力士乐REXROTH高响应方向阀，直动式、带电气位置反馈和集成电子放大版（OBE）4WRPEH 6 -2X

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R901246814 4WRPEH6C3B40P-2X/G24K0/A1M-303

0811404637 4WRPEH6C3B40P-2X/G24K0/B5M

R901357059 4WRPEH6C3B40P-2X/G24K0/F1M

0811404536 4WRPEH6C3B40P-2X/G24XNZ0/A1V

0811404641 4WRPEH6C4B02L-2X/G24K0/A1M

0811404537 4WRPEH6C4B02L-2X/G24K0/F1M

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0811404350 4WRPEH6C4B04L-2X/G24K0/F1M

R901307161 4WRPEH6C4B04L-2X/G24K0/F1V

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0811404611 4WRPEH6C4B12L-2X/G24K0/A1M

0811404623 4WRPEH6C4B12L-2X/G24K0/B5M

0811404351 4WRPEH6C4B12L-2X/G24K0/F1M

R901383468 4WRPEH6C4B12L-2X/G24K0/F1V

0811404645 4WRPEH6C4B15P-2X/G24K0/A1M

R901266295 4WRPEH6C4B15P-2X/G24K0/F1M

0811404612 4WRPEH6C4B24L-2X/G24K0/A1M

0811404636 4WRPEH6C4B24L-2X/G24K0/B5M

0811404352 4WRPEH6C4B24L-2X/G24K0/F1M

R901273569 4WRPEH6C4B24L-2X/G24K0/F1V

0811404646 4WRPEH6C4B25P-2X/G24K0/A1M

R901318493 4WRPEH6C4B25P-2X/G24K0/F1M

0811404613 4WRPEH6C4B40L-2X/G24K0/A1M

0811404638 4WRPEH6C4B40L-2X/G24K0/A1V

0811404364 4WRPEH6C4B40L-2X/G24K0/B5M

0811404353 4WRPEH6C4B40L-2X/G24K0/F1M

R901136861 4WRPEH6C4B40L-2X/G24K0/F1V

0811404647 4WRPEH6C4B40P-2X/G24K0/A1M

0811404356 4WRPEH6C4B40P-2X/G24K0/B5M

R901167904 4WRPEH6C4B40P-2X/G24K0/F1M

R901387788 4WRPEH6C4B40L-2X/G24K0/C6V

R901276204 4WRPEH6C5B04L-2X/G24K0/A1M

R901213180 4WRPEH6C5B04L-2X/G24K0/F1M

R901236471 4WRPEH6C5B12L-2X/G24K0/A1M

R901231527 4WRPEH6C5B12L-2X/G24K0/F1M

R901098057 4WRPEH6C5B24L-2X/G24K0/A1M

R901137452 4WRPEH6C5B24L-2X/G24K0/F1M

0811404746 4WRPEH6C5B40L-2X/G24K0/A1M

0811404749 4WRPEH6C5B40L-2X/G24K0/F1M

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0811404648 4WRPEH6C5B40P-2X/G24K0/A1M

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0811404628 4WRPEH6K3B50P-2X/G24K0/A1M

0811404604 4WRPEH6KB50P-2X/G24K0/A1M

0811404620 4WRPEH6XB24L-2X/G24K0/A1M-743

力士乐REXROTH伺服电磁阀四位四通高频单向阀门，直接驱动，带有集成电子和电气位置反馈（OBE）4WRPEH 6 -3X

R901382520 4WRPEH6CB02L-3X/M/24A1

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R901382365 4WRPEH6CB04L-3X/M/24A1

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R901382505 4WRPEH6CB04L-3X/V/24F1

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R901382334 4WRPEH6CB08P-3X/M/24A1

R901382337 4WRPEH6CB12L-3X/M/24A1

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R901382530 4WRPEH6CB15P-3X/M/24A1

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R901381804 4WRPEH6CB24L-3X/M/24A1

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R901382526 4WRPEH6CB24L-3X/V/24F1

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R901382353 4WRPEH6CB40L-3X/M/24A1

R901382354 4WRPEH6CB40L-3X/M/24F1

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R901382538 4WRPEH6C1B12L-3X/M/24A1

R901436252 4WRPEH6C1B12L-3X/M/24F1

R901382527 4WRPEH6C1B24L-3X/M/24A1

R901382491 4WRPEH6C1B24L-3X/M/24F1

R901423624 4WRPEH6C1B24L-3X/V/24A1

R901382325 4WRPEH6C1B40L-3X/M/24A1

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R901382495 4WRPEH6C1B40P-3X/M/24A1

R901396969 4WRPEH6C3B04L-3X/M/24F1-885

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R901410492 4WRPEH6C3B40L-3X/M/24A1-15

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R901382347 4WRPEH6C3B04L-3X/M/24F1

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R901382511 4WRPEH6C3B15P-3X/M/24F1

R901382522 4WRPEH6C3B15P-3X/V/24A1

R901382313 4WRPEH6C3B24L-3X/M/24A1

R901382349 4WRPEH6C3B24L-3X/M/24F1

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R901382357 4WRPEH6C3B25P-3X/M/24A1

R901382535 4WRPEH6C3B25P-3X/M/24F1

R901382315 4WRPEH6C3B40L-3X/M/24A1

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R901382516 4WRPEH6C3B40L-3X/V/24F1

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R901382539 4WRPEH6C3B40P-3X/M/24F1

R901382356 4WRPEH6C4B02L-3X/M/24A1

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R901382525 4WRPEH6C4B02L-3X/V/24F1

R901382317 4WRPEH6C4B04L-3X/M/24A1

R901382327 4WRPEH6C4B04L-3X/M/24F1

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R901382533 4WRPEH6C4B04P-3X/M/24A1

R901382318 4WRPEH6C4B12L-3X/M/24A1

R901412522 4WRPEH6C4B12L-3X/M/24A1-561

R901382331 4WRPEH6C4B12L-3X/M/24F1

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R901382521 4WRPEH6C4B15P-3X/M/24F1

R901382346 4WRPEH6C4B24L-3X/M/24A1

R901382332 4WRPEH6C4B24L-3X/M/24F1

R901382523 4WRPEH6C4B24L-3X/V/24F1

R901382361 4WRPEH6C4B25P-3X/M/24A1

R901382532 4WRPEH6C4B25P-3X/M/24F1

R901382319 4WRPEH6C4B40L-3X/M/24A1

R901382333 4WRPEH6C4B40L-3X/M/24F1

R901382493 4WRPEH6C4B40L-3X/V/24A1

R901382509 4WRPEH6C4B40L-3X/V/24F1

R901382363 4WRPEH6C4B40P-3X/M/24A1

R901382512 4WRPEH6C4B40P-3X/M/24F1

R901382515 4WRPEH6C5B04L-3X/M/24F1

R901382524 4WRPEH6C5B04L-3X/M/24A1

R901382519 4WRPEH6C5B12L-3X/M/24A1

R901382517 4WRPEH6C5B12L-3X/M/24F1

R901382370 4WRPEH6C5B24L-3X/M/24A1

R901382510 4WRPEH6C5B24L-3X/M/24F1

R901408241 4WRPEH6C5B24L-3X/V/24A1

R901382368 4WRPEH6C5B40L-3X/M/24A1

R901382369 4WRPEH6C5B40L-3X/M/24F1

R901382534 4WRPEH6C5B40L-3X/V/24F1

R901382364 4WRPEH6C5B40P-3X/M/24A1

力士乐REXROTH四位四通高频单向阀门，直接驱动，具有集成电子和电气位置反馈（OBE）4WRPEH 10

0811404809 4WRPEH10CB100L-2X/G24K0/A1M

R901416810 4WRPEH10CB100L-2X/G24K0/A1V

0811404806 4WRPEH10CB100L-2X/G24K0/F1M

R901233486 4WRPEH10CB100L-2X/G24K0/F1V

R901236409 4WRPEH10CB100P-2X/G24K0/F1M

0811404764 4WRPEH10CB50L-2X/G24K0/A1M

0811404765 4WRPEH10CB50L-2X/G24K0/F1M

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0811404816 4WRPEH10CB50P-2X/G24K0/F1M

0811404821 4WRPEH10C1B100L-2X/G24K0/A1M

R901279150 4WRPEH10C1B100L-2X/G24K0/A1V

0811404763 4WRPEH10C1B100L-2X/G24K0/F1M

0811404829 4WRPEH10C1B100P-2X/G24K0/A1M

0811404820 4WRPEH10C1B50L-2X/G24K0/A1M

0811404762 4WRPEH10C1B50L-2X/G24K0/F1M

0811404828 4WRPEH10C1B50P-2X/G24K0/A1M

0811404801 4WRPEH10C3B100L-2X/G24K0/A1M

0811404879 4WRPEH10C3B100L-2X/G24K0/A1M-844

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R901204810 4WRPEH10C3B100L-2X/G24K0/A1V

0811404813 4WRPEH10C3B100L-2X/G24K0/B5M

0811404817 4WRPEH10C3B100L-2X/G24K0/F1M

R901212890 4WRPEH10C3B100L-2X/G24K0/F1V

0811404823 4WRPEH10C3B100P-2X/G24K0/A1M

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R901423003 4WRPEH10C3B100P-2X/G24K0/F1V

0811404800 4WRPEH10C3B50L-2X/G24K0/A1M

R901371313 4WRPEH10C3B50L-2X/G24K0/A1V

0811404808 4WRPEH10C3B50L-2X/G24K0/B5M

0811404819 4WRPEH10C3B50L-2X/G24K0/F1M

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0811404822 4WRPEH10C3B50P-2X/G24K0/A1M

R901121806 4WRPEH10C3B50P-2X/G24K0/F1M

0811404803 4WRPEH10C4B100L-2X/G24K0/A1M

0811404807 4WRPEH10C4B100L-2X/G24K0/A1V

0811404761 4WRPEH10C4B100L-2X/G24K0/F1M

R901383466 4WRPEH10C4B100L-2X/G24K0/F1V

0811404825 4WRPEH10C4B100P-2X/G24K0/A1M

R901150034 4WRPEH10C4B100P-2X/G24K0/F1M

0811404802 4WRPEH10C4B50L-2X/G24K0/A1M

0811404812 4WRPEH10C4B50L-2X/G24K0/B5M

0811404760 4WRPEH10C4B50L-2X/G24K0/F1M

R901186254 4WRPEH10C4B50L-2X/G24K0/F1V

0811404824 4WRPEH10C4B50P-2X/G24K0/A1M

0811404559 4WRPEH10C4B50P-2X/G24K0/F1M

0811404759 4WRPEH10C5B100L-2X/G24K0/F1M

0811404827 4WRPEH10C5B100P-2X/G24K0/A1M

R901406210 4WRPEH10C5B100P-2X/G24K0/F1M

0811404756 4WRPEH10C5B50L-2X/G24K0/A1M

0811404758 4WRPEH10C5B50L-2X/G24K0/F1M

0811404826 4WRPEH10C5B50P-2X/G24K0/A1M

0811404757 4WRPEH10C5B100L-2X/G24K0/A1M

R901422438 4WRPEH10C5B100L-2X/G24K0/A1V-36

力士乐REXROTH高响应的换向阀，直接操作，集成的数字轴控制器（IAC多以太网）4WRPDH

R901415733 4WRPDH10C1B100L-2X/M/24ND6T

R901372234 4WRPDH10C3B100L-2X/M/24SD6T

R901372818 4WRPDH10C3B100L-2X/M/24TD6T

R901319678 4WRPDH10C3B100P-2X/M/24TD6T

R901339086 4WRPDH10C4B100L-2X/M/24ED6T

R901395440 4WRPDH10C4B100L-2X/M/24TD6T

R901428266 4WRPDH10C5B100L-2X/M/24ND6T

R901426772 4WRPDH10C5B50L-2X/M/24ND6T

R901428555 4WRPDH6CB02L-2X/M/24ND6T

R901375537 4WRPDH6CB40P-2X/M/24ND6T

R901416340 4WRPDH6C1B40L-2X/M/24ED6T

R901368366 4WRPDH6C3B04L-2X/M/24SD6T

R901430058 4WRPDH6C3B12L-2X/M/24ND6T

R901372111 4WRPDH6C3B12L-2X/M/24SD6T

R901372816 4WRPDH6C3B12L-2X/M/24TD6T

R901329736 4WRPDH6C3B15P-2X/M/24SD6S

R901157482 4WRPDH6C3B15P-2X/M/24SD6U

R901327738 4WRPDH6C3B15P-2X/M/24SD6U-995

R901368365 4WRPDH6C3B24L-2X/M/24SD6U

R901438459 4WRPDH6C3B40L-2X/M/24ED6T

R901405787 4WRPDH6C3B40L-2X/M/24ND6T

R901368364 4WRPDH6C3B40L-2X/M/24SD6U

R901435066 4WRPDH6C3B40L-2X/M/24SD6U-995

R901384132 4WRPDH6C3B40L-2X/M/24TD6T

R901156750 4WRPDH6C3B40P-2X/M/24ND6T

R901157481 4WRPDH6C3B40P-2X/M/24SD6U

R901320208 4WRPDH6C3B40P-2X/M/24SD6U-995

R901408363 4WRPDH6C4B04L-2X/M/24ND6T

R901408691 4WRPDH6C4B12L-2X/M/24SD6S

R901408693 4WRPDH6C4B12L-2X/M/24SD6T

R901353429 4WRPDH6C4B12L-2X/M/24SD6U

R901407421 4WRPDH6C4B15P-2X/M/24ED6T

R901358982 4WRPDH6C4B15P-2X/M/24SD6U

R901376440 4WRPDH6C4B25P-2X/M/24ED6T

R901420336 4WRPDH6C4B25P-2X/M/24SD6U-83

R901362870 4WRPDH6C4B40L-2X/M/24ND6T

R901395434 4WRPDH6C4B40L-2X/M/24TD6T

R901436807 4WRPDH6C4B40L-2X/V/24ED6T

R901401587 4WRPDH6C4B40P-2X/M/24ND6T

R901410170 4WRPDH6C5B04L-2X/M/24ND6T

R901405782 4WRPDH6C5B40P-2X/M/24ND6U

力士乐REXROTH带集成的数字轴控制器的高响应阀（iac-r）和现场总线接口4WRPNH../24C/P

液压元件系统由五个部分组成，即动力元件、执行元件、控制元件、辅助元件和液压油。动力

元件的作用是将原动机的机械能转换成液体的压力能，指液压系统中的油泵，它向整个液压系统提供动力。液压泵的结构形式一般有齿轮泵、叶片泵和柱塞泵。执行元件(如液压缸和液压马达)的作用是将液体的压力能转换为机械能，驱动负载作直线往复运动或回转运动。 控制元件(即各种液压阀)在液压系统中控制和调节液体的压力、流量和方向。根据控制功能的不同，液压阀可分为压力控制阀、流量控制阀和方向控制阀。压力控制阀又分为溢流阀(安全阀)、减压阀、顺序阀、压力继电器等；流量控制阀包括节流阀、调整阀、分流集流阀等；方向控制阀包括单向阀、液控单向阀、梭阀、换向阀等。根据控制方式不同，液压阀可分为开关式控制阀、定值控制阀和比例控制阀。 辅助元件包括油箱、滤油器、油管及管接头、密封圈、压力表、油位油温计等。 液压油是液压系统中传递能量的工作介质，有各种矿物油、乳化液和合成型液压油等几大类。