4WRKE16W6-200L-3X/6EG24ETK31/A1D3M比例阀

4WRKE16W6-200L-3X/6EG24ETK31/A1D3M比例方向阀 德国进口博世力士乐REXROTH比例阀 比例伺服阀 比例方向阀

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4WRKE16W6-200L-3X/6EG24ETK31/A1D3M比例方向阀

比例溢流阀的压力控制阀

比例溢流阀的特点是调定的压力与输入电流大小成正比，即输入的电流大，调定的压力高。

当通过计算机键盘输入被折板料的抗拉强度，厚度，长度以及下模V型槽开口宽度后，计算机按折弯力计算公式求得所需折弯力，经数模转换后，通过控制比例溢流阀的电控器，向比例溢流阀输入适当的电流值，从而达到控制折弯力大小的目的。板料折弯机所需小折弯力和允许的大折弯力要与比例溢流阀的压力特征曲线相对应，并且使调定的压力稍大于所需折弯力，以利于板料的顺利折弯。

比例溢流阀的压力控制一般为开环，如接入压力传感器，可进行闭环控制。

 

比例阀三种形态

（1）电磁式 电磁式是指采用比例电磁铁作为电气一机械转换元件的比例阀，比例电磁铁将输入的电流信号转换成力、位移机械信号输出．进而控制压力、流量及方向等参数。

（2）电动式 电动式是指采用直流伺服电动机作为电气一机械转换元件的比例阀，直流伺服电动机将输入的电信号．转换成旋转运动转速，再经丝杆螺母、齿轮齿条或齿轮凸轮等减速装置和变换机构，输出力与位移，进一步控制液压参数。

（3）电液式 电液式是指采用力矩马达和喷嘴挡板的结构为先导控制级的比例阀。对力矩马达输入不同的电信号，并通过同它连接在一起的挡板（有时力矩马达的衔铁就是挡板）输出位移或角位移，改变挡板和喷嘴之间的距离，使喷嘴喷出的油液流阻产生变化，进而控制输小参数。

比例阀供应型号

力士乐比例换向阀型号举例 

4WRKE 16 E200L-3X/6EG24ETK31/A1D3M 

 

材料号： R900704916

  描述 

产品类型4WRK位置控制式比例换向阀，

先导式，带电子位置反馈

控制电子元件E带内装式控制电子元件

通径16通径 16

油口位置按 ISO 4401,

编码: 4401-07-06-0-94

阀芯E对称式阀芯重叠

流量200200 L/min, 

阀压力降 = 10 bar

特性曲线形式L线性

系列3X系列 30 至 39

先导6E比例电磁铁带可拆卸线圈

电压G24供电电压 24V DC

控制油ET内部进油，内部回油

电子接口K31元件插头，按 DIN EN 175201-804,

不带电缆插座 (单独订货)

给定值输入A1给定值 /- 10 V

叠加阀D3带减压阀 ZDR 6 DP0-4X/40YM-W80 （固定调定）

密封MNBR 密封，适用于矿物油 (HL, HLP)

按 DIN 51 524, 其它的液体请询问。

 

 

REXROTH力士乐比例阀4WRKE10E-100L3X/6EG24EK31/A1D3M

REXROTH力士乐比例阀4WRKE16E-125L3X/6EG24EK31/A1D3M

REXROTH力士乐比例阀4WRKE16E-200L3X/6EG24EK31/A1D3M

REXROTH力士乐比例阀4WRKE16W6-200P-3X/6EG24EK31/A1D3M

REXROTH力士乐比例阀4WRKE25E350L3X/6EG24EK31/A1D3M

REXROTH力士乐比例阀4WRKE32E600L-3X/6EG24K31/A1D3M

REXROTH力士乐比例阀4WRKE32W6-600L-3X/6EG24K31/A1D3M

REXROTH力士乐比例阀4WREE10E75-2X/G24K31/A1V

REXROTH力士乐比例阀4WREE6E32-2X/G24K31/A1V

REXROTH力士乐比例阀4WREE6W32-2X/G24K31/A1V

REXROTH力士乐比例阀4WRAE10E60-2X/G24K31/A1V R900954083

REXROTH力士乐比例阀4WRAE6E1-30-2X/G24K31/F1V

REXROTH力士乐比例阀4WRBA10W64-2X/G24N9Z4/M 0811404833

REXROTH力士乐比例阀4WREE6E32-2X/G24K31/F1V

REXROTH力士乐比例阀4WRKE16W6-200L-3X/6EG24ETK31/A1D3M

REXROTH力士乐比例阀4WRKE25E350L-3X/6EG24K31/F1D3M

REXROTH力士乐比例阀4WRL10V85M-3X/G24Z4/M 0811404094

REXROTH力士乐比例阀4WRL16V200M-3X/G24TZ4/M-765 0811404221

REXROTH力士乐比例阀4WRL25V370M-3X/G24Z4/M 0811404405

REXROTH力士乐比例阀4WRZ10W8-85-7X/6EG24N9ETK4/D3M

REXROTH力士乐比例阀4WRZ25E1-220-7X/6EG24N9K4/M

REXROTH力士乐比例阀4WRZ32W6-520-7X/6EG24N9ETK4/D3M

0811404035  REXROTH力士乐比例阀4WRPH6C3B24L-2X/G24Z4/M

0811404038  REXROTH力士乐比例阀4WRPH6C4 B24L-2X/G24Z4/M

0811404039  REXROTH力士乐比例阀4WRPH 6 C4 B40L-2X/G24Z4/M

0811404060  REXROTH力士乐比例阀4WRPH 10 C4 B50L-2X/G24Z4/M

0811404061  REXROTH力士乐比例阀4WRPH 10 C4 B100L-2X/G24Z4/M

0811404062  REXROTH力士乐比例阀4WRPH 10 C3 B50P-2X/G24Z4/M

0811404063  REXROTH力士乐比例阀4WRPH 10 C3 B100P-2X/G24Z4/M

电磁铁的性能指标主要包括适用电压（电流）、推（拉）力和行程等。

根据电压可以分为12V直流，24V直流，110V交流，220V交流等。NG6阀用电磁铁推拉力一般为20-

70N，行程在 3-7mm之间。当怀疑某电磁阀卡滞或线圈烧毁时，可以将电磁阀反过来，看其行程是否在上述范围之内。

电磁铁的外特性主要表现为电阻。常见的24V NG6电磁阀线圈阻值一般在16-26Ω之间，24V插装

阀线圈阻值一般在20-38Ω之间，24V比例阀线圈阻值一般在21-26Ω。理论上，电磁吸力与电流的平方成正比，所以12V线圈阻值一般为对应24V线圈的1/4左右。

比例电磁阀一般要求电流达到某一范围。如REXROTH（力士乐）系列泵用24V比例电磁阀一般要求电流200-600mA，12V的要求电流400-1200mA。LINDE系列泵用24V比例电磁阀要求电流220-405mA或175-360mA。SAUER系列泵用24V比例电磁阀要求电流13-85mA。

力士乐REXROTH比例方向阀，先导式，带整体电子放大版（OBE）和电气位置反馈4WRKE

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液压系统的组成及其作用

一个完整的液压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（附件）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，液压阀可分为村力控制阀、流量控制阀和方向控制阀。压力控制阀又分为益流阀(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、快换接头、高压球阀、胶管总成、测压接头、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。

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