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当前位置: 首页 > 产品展示 > 德国REXROTH力士乐 > 力士乐比例方向阀 > Rexroth二级比例方向阀
Rexroth二级比例方向阀
力士乐中国专为中国工业提供就地服务,快速便捷的提供产品服务的同时,也为客户提供更方便的技术咨询和支持!德国Rexroth二级比例方向阀4WRKE是带电气位置反馈和集成1/22电子元件(OBE)的先导式比例方向阀。通过比例电磁铁操作,弹簧对中的主控制阀芯,先导控制阀:单级比例方向阀,带位置控制的主级。
Rexroth二级比例方向阀详细介绍

    德国Rexroth二级比例方向阀4WRKE用于控制液压油的流向和流量。主级是受位置控制的,这样,控制阀芯位置在流量较大的情况下也不会受液动力的影响。力士乐4WRKE型先导式比例方向阀zui大工作压力350bar和zui大流量3000 l/min。

    力士乐4WRKE型比例方向阀的特征:二级阀主要由比例阀的各个组件组成。"主级零电位"的零电位调节是工厂预设的,可以通过控制电子元件中的电位计,在公称行程的±30%范围内进行调节。拆下阀体前面的塞螺钉后,方可对集成控制电子元件进行检修。必须重新调节更换后的先导控制阀或控制电子元件。全部调节工作只能由指定的专业人员执行。

    相当于普通开环比例换向阀,力士乐4WRKE型比例方向阀可实现自身的闭环控制,故对于液流的大范围突然变化不敏感,不会因作用在阀芯上的液动力而导致阀芯失控。这种阀同时还拥有比较好的频率响应特性(频率响应可达数十赫兹),特别适用于在设备的紧凑性加减速变换运动中对预缓冲有较高要求的场合。相对于伺服阀,此种阀的主级和先导级均采用滑阀结构,对油液清洁度不是很敏感,价格也便宜。阀的死区,增益,颤振和偏置等已在工厂内按标准阀调整并封装,故可维护性好,拆装方便,安装后不用调校,是一种即装即用的高性能比例阀,在部分场合可替代伺服阀使用,用于控制液流的开启、停止、方向。

    力士乐4WRKE二级比例方向阀克服了现有产品比例电磁铁所需推力大、易漏油的缺陷。它包括先导阀和主阀两个部分;先导阀包括左右比例电磁铁、阀体、设于阀体内的阀芯;主阀包括主阀体和位于其中的阀芯,其特征在于:所述的先导阀阀体内设一横向油道,其两端连接左右比例电磁铁顶杆油腔,该油道中部设有回油孔,进入左右比例电磁铁顶杆油腔的端口均设阻尼螺钉;主阀体的控制油口经阀体内的油道与先导阀阀体中部设的控制油道相通,该油道止路于先导阀阀体两个环形沉割槽,先导阀芯的二个台肩上均设有节流窗口。本实用新型结构新颖、比例电磁铁所需推力小、密封要求低,有利于提高使用寿命、降低生产成本,可广泛应用于塑机行业及机械加工设备的液压控制系统中。

力士乐产品型号很多,不能一一列举,以下是Rexroth二级比例方向阀4WRKE的部分常用型号:

4WRKE35E1-1000L-3X/6EG24EK31/A1D3V,R901100929 
4WRKE35E1-1000L-3X/6EG24K31/F1D3V,R901052827
4WRKE35E1000L-3X/6EG24K31/A1D3M-905,R901132836
4WRKE35E1000L-3X/6EG24EK31/A1D3V,R901211507
4WRKE35E1000L-3X/6EG24K31/A1D3V,R901102529
4WRKE35R3-1000L-3X/6EG24K31/A1D3M,R901160858
4WRKE35R3-1000L-3X/6EG24K31/F1D3M,R901183466
4WRKE35E1-1000L-3X/6EG24ETK31/A5D3M,R900718331
4WRKE35E1-1000L-3X/6EG24K31/A5D3M,R901093110
4WRKE35E1-1000L-3X/6EG24K31/A5D3M-280,R900756658
4WRKE35W8-1000L-3X/6EG24ETK31/A5D3M,R900759331
4WRKE35W8-1000L-3X/6EG24K31/A5D3M,R900704404
4WRKE35W6-1000P-3X/6EG24EK31/C1D3M,R901242289
4WRKE35E1-1000L-3X/6EG24EK31/A1D3M,R901025013
4WRKE35E1-1000L-3X/6EG24K31/A1D3M,R901033705
4WRKE35E1-1000L-3X/6EG24K31/A1D3M-280,R901018298
4WRKE35E1-1000L-3X/6EG24K31/C1D3M,R901231227
4WRKE35W8-1000L-3X/6EG24EK31/A1D3M,R901054883
4WRKE35W8-1000L-3X/6EG24EK31/F1D3M,R901127413
4WRKE35W8-1000L-3X/6EG24ETK31/F1D3M,R901160961
4WRKE35W8-1000L-3X/6EG24K31/F1D3M,R901176133
4WRKE35W6-1000P-3X/6EG24K31/F1D3M,R901227838
4WRKE35E1000L-3X/6EG24EK31/C1D3M,R900762781
4WRKE35W6-1000L-3X/6EG24K31/C1D3M,R901240438
4WRKE35E1000L-3X/6EG24K31/A5D3M,R900726602
4WRKE35W6-1000L-3X/6EG24K31/A5D3M,R900715082
4WRKE35E1000L-3X/6EG24ETK31/A1D3M,R900717029
4WRKE35E1000L-3X/6EG24K31/A1D3M,R900773355
4WRKE35E1000L-3X/6EG24K31/A1D3M-280,R901024647
4WRKE35E1000L-3X/6EG24K31/C1D3M,R901177187
4WRKE35W6-1000L-3X/6EG24EK31/A1D3M,R901094074
4WRKE35W6-1000L-3X/6EG24EK31/F1D3M,R901263621
4WRKE35W6-1000L-3X/6EG24ETK31/A1D3M,R900717030
4WRKE35W6-1000L-3X/6EG24K31/F1D3M,R900773088
4WRKE32E1-600L-3X/6EG24EK31/A1D3V,R901268348
4WRKE32W8-600L-3X/6EG24K31/A1D3V,R901056252
4WRKE32E3-600L-3X/6EG24EK31/A5D3M-280,R900749131
4WRKE32W6-600P-3X/6EG24EK31/F1D3V,R901047149
4WRKE32E3-400L-3X/6EG24K31/F1D3M,R901224967
4WRKE32E3-600L-3X/6EG24K31/F1D3M,R901213323
4WRKE32R3-400L-3X/6EG24K31/A1D3M,R901201718
4WRKE32R3-400L-3X/6EG24K31/F1D3M,R901183869
4WRKE32R3-600L-3X/6EG24K31/F1D3M,R901183870
4WRKE32E600L-3X/6EG24K31/A1D3V,R900739618
4WRKE32W6-600L-3X/6EG24ETK31/F1D3V,R901153481
4WRKE32W6-600L-3X/6EG24K31/A1D3V,R901238441
4WRKE32W8-600P-3X/6EG24K31/A5D3M,R900721885
4WRKE32E1-600P-3X/6EG24K31/A1D3M,R901100916
4WRKE32W8-600P-3X/6EG24K31/F1D3M,R901167507
4WRKE32W8-600L-3X/6EG24K31/C1D3M,R901299712
4WRKE32E1-600L-3X/6EG24EK31/A5D3M-280,R900716436
4WRKE32E1-600L-3X/6EG24K31/A5D3M,R900753006
4WRKE32E1-600L-3X/6EG24K31/A5D3M-280,R900711650
4WRKE32W8-600L-3X/6EG24EK31/A5D3M,R900747304
4WRKE32W8-600L-3X/6EG24ETK31/A5D3M,R901014199
4WRKE32W8-600L-3X/6EG24K31/A5D3M,R900704403
4WRKE32E1-600L-3X/6EG24EK31/A1D3M,R901117336
4WRKE32E1-600L-3X/6EG24K31/A1D3M,R901102982
4WRKE32E1-600L-3X/6EG24K31/A1D3M-280,R901089781
4WRKE32E1-600L-3X/6EG24K31/C1D3M,R901231200
4WRKE32E1-600L-3X/6EG24K31/F1D3M,R901141349
4WRKE32W8-400L-3X/6EG24EK31/A1D3M,R901107424
4WRKE32W8-400L-3X/6EG24EK31/F1D3M,R901121949
4WRKE32W8-600L-3X/6EG24EK31/A1D3M,R901090623
4WRKE32W8-600L-3X/6EG24EK31/F1D3M,R901093095
4WRKE32W8-600L-3X/6EG24ETK31/F1D3M,R901055130
4WRKE32W8-600L-3X/6EG24K31/A1D3M,R901023120
4WRKE32W8-600L-3X/6EG24K31/F1D3M,R900709134
4WRKE32E400S-3X/6EG24ETK31/A5D3M,R900743960
4WRKE32W6-600P-3X/6EG24EK31/A5D3M,R900740749
4WRKE32W6-600P-3X/6EG24EK31/A5D3M-280,R901096192
4WRKE32W6-600P-3X/6EG24K31/A1D3M-280,R901184378
4WRKE32W6-600P-3X/6EG24EK31/A1D3M,R901026641
4WRKE32W6-600P-3X/6EG24EK31/C1D3M,R901011230
4WRKE32E400L-3X/6EG24K31/A5D3M-280,R901119343
4WRKE32E600L-3X/6EG24EK31/A5D3M,R900717062
4WRKE32E600L-3X/6EG24EK31/A5D3M-280,R900762393
4WRKE32E600L-3X/6EG24ETK31/A5D3M,R900712050
4WRKE32E600L-3X/6EG24K31/A5D3M,R900713637
4WRKE32E600L-3X/6EG24K31/A5D3M-280,R900713635
4WRKE32E600L-3X/6EG24TK31/A5D3M,R901067075
4WRKE32W6-400L-3X/6EG24EK31/A5D3M,R900773692
4WRKE32W6-600L-3X/6EG24K31/A5D3M,R900721875
4WRKE32E400L-3X/6EG24K31/A1D3M,R901190018
4WRKE32E600L-3X/6EG24EK31/A1D3M,R901033473
4WRKE32E600L-3X/6EG24EK31/A1D3M-280,R901018297
4WRKE32E600L-3X/6EG24ETK31/A1D3M,R901016496
4WRKE32E600L-3X/6EG24K31/A1D3M,R900734062
4WRKE32E600L-3X/6EG24K31/A1D3M-280,R900249917
4WRKE32E600L-3X/6EG24K31/C1D3M,R900712759
4WRKE32E600L-3X/6EG24K31/F1D3M,R900245364
4WRKE32W6-400L-3X/6EG24EK31/F1D3M,R901122589
4WRKE32W6-400L-3X/6EG24K31/A1D3M,R901044433
4WRKE32W6-400L-3X/6EG24K31/F1D3M,R901117295
4WRKE32W6-600L-3X/6EG24EK31/A1D3M,R901088904
4WRKE32W6-600L-3X/6EG24EK31/F1D3M,R901016317
4WRKE32W6-600L-3X/6EG24ETK31/A1D3M,R900249276
4WRKE32W6-600L-3X/6EG24K31/A1D3M,R900780615
4WRKE32W6-600L-3X/6EG24K31/F1D3M,R900762389
4WRKE25R350L-3X/6EG24EK31/A1D3V,R901100919
4WRKE27W4-500L-3X/6EG24K31/A5D3M,R900708992
4WRKE27E1-500L-3X/6EG24EK31/A1D3V,R901268865
4WRKE27E1-500L-3X/6EG24K31/A1D3V,R901079320
4WRKE27W6-500L-3X/6EG24K31/A5D3V,R901050041
4WRKE27E500L-3X/6EG24EK31/A1D3V,R901266055
4WRKE27E500L-3X/6EG24K31/A1D3V,R901077093
4WRKE27E1-500L-3X/6EG24K31/C1D3M,R901229824
4WRKE25W1-350P-3X/6EG24EK31/A5D3M-706,R900709842
4WRKE25E3-350P-3X/6EG24K31/A5D3M,R900784875
4WRKE25E3-350P-3X/6EG24TK31/A5D3M,R901095293
4WRKE27W8-500L-3X/6EG24K31/A5D3M,R900706180
4WRKE25R3-350P-3X/6EG24K31/A1D3M,R900771042
4WRKE27E1-500L-3X/6EG24EK31/A1D3M,R900249274
4WRKE27E1-500L-3X/6EG24EK31/F1D3M,R901296528
4WRKE27E1-500L-3X/6EG24ETK31/A1D3M,R901051417
4WRKE27E1-500L-3X/6EG24K31/A1D3M,R900249923
4WRKE27W8-500L-3X/6EG24EK31/A1D3M,R900701429
4WRKE27W8-500L-3X/6EG24EK31/F1D3M,R901097952
4WRKE27W8-500L-3X/6EG24ETK31/A1D3M,R901199286
4WRKE27W8-500L-3X/6EG24K31/A1D3M,R900750794
4WRKE27W8-500L-3X/6EG24K31/F1D3M,R901072883
4WRKE25R3-350L-3X/6EG24EK31/C1D3M,R901308193
4WRKE27E500P-3X/6EG24ETK31/A1D3M,R901210319
4WRKE25E3-350L-3X/6EG24EK31/A5D3M,R900746579
4WRKE25E3-350L-3X/6EG24K31/A5D3M,R900977507
4WRKE25R350L-3X/6EG24K31/A5D3M,R901026399
4WRKE25W3-350L-3X/6EG24K31/A5D3M,R900768941
4WRKE25E350P-3X/6EG24K31/A5D3V,R901291595
4WRKE27E500L-3X/6EG24EK31/A5D3M,R901025115
4WRKE27E500L-3X/6EG24K31/A5D3M,R901135347
4WRKE27W6-500L-3X/6EG24EK31/A5D3M,R900735040
4WRKE27W6-500L-3X/6EG24K31/A5D3M,R900616821
4WRKE25W8-220L-3X/6EG24EK31/A1D3V,R901006429
4WRKE25W8-350L-3X/6EG24ETK31/F1D3V,R901191330
4WRKE25W8-350L-3X/6EG24K31/A1D3V,R901056249
4WRKE25R3-350L-3X/6EG24K31/A1D3M,R901201717
4WRKE25R350L-3X/6EG24EK31/A1D3M,R901125163
4WRKE25R350L-3X/6EG24EK31/A1D3M-280,R901216124
4WRKE25W9-350L-3X/6EG24K31/A1D3M,R900727368
4WRKE25W6-350P-3X/6EG24EK31/A1D3V,R901268350
4WRKE27E500L-3X/6EG24EK31/A1D3M,R901039097
4WRKE27E500L-3X/6EG24EK31/F1D3M,R901267566
4WRKE27E500L-3X/6EG24K31/C1D3M,R901130165
4WRKE27E500L-3X/6EG24K31/F1D3M,R901133144
4WRKE27W6-500L-3X/6EG24EK31/A1D3M,R901041512
4WRKE27W6-500L-3X/6EG24EK31/F1D3M,R901169415
4WRKE27W6-500L-3X/6EG24ETK31/A1D3M,R901169989
4WRKE27W6-500L-3X/6EG24K31/A1D3M,R900731496
4WRKE27W6-500L-3X/6EG24K31/F1D3M,R901147944
4WRKE25E350L-3X/6EG24K31/A5D3V,R901214428
4WRKE25W6-350L-3X/6EG24K31/A5D3V,R901047568
4WRKE25E1-350P-3X/6EG24EK31/A5D3M,R900713633
4WRKE25E1-350P-3X/6EG24K31/A5D3M,R900787373
4WRKE25W8-350P-3X/6EG24K31/A5D3M,R900709020
4WRKE25E350L-3X/6EG24K31/A1D3V,R901229184
4WRKE25E350L-3X/6EG24K31/F1D3V,R901114885
4WRKE25W6-220L-3X/6EG24K31/A1D3V,R901108789
4WRKE25W6-350L-3X/6EG24K31/A1D3V,R900706551
4WRKE25E1-350P-3X/6EG24EK31/A1D3M,R901072882
4WRKE25W8-350P-3X/6EG24EK31/A1D3M,R901059574
4WRKE25W8-350P-3X/6EG24K31/F1D3M,R901167508
4WRKE25W6-350P-3X/6EG24EK31/C1D3M,R901171085
4WRKE25E1-350L-3X/6EG24EK31/A5D3M,R900977502
4WRKE25E1-350L-3X/6EG24K31/A5D3M,R900704756
4WRKE25W8-220L-3X/6EG24EK31/A5D3M-280,R900713634
4WRKE25W8-350L-3X/6EG24EK31/A5D3M,R900977505
4WRKE25W8-350L-3X/6EG24EK31/A5D3M-280,R900720556
4WRKE25W8-350L-3X/6EG24K31/A5D3M,R900705775
4WRKE25E350P-3X/6EG24EK31/A5D3M,R901108088
4WRKE25E350P-3X/6EG24ETK31/A5D3M,R900710256
4WRKE25E350P-3X/6EG24K31/A5D3M,R900733297
4WRKE25W6-350P-3X/6EG24K31/A5D3M,R900748597
4WRKE25E1-220L-3X/6EG24EK31/A1D3M,R901189931
4WRKE25E1-220L-3X/6EG24EK31/F1D3M,R901297584
4WRKE25E1-220L-3X/6EG24K31/A1D3M,R901001641
4WRKE25E1-220L-3X/6EG24K31/A1D3M-280,R901179163
4WRKE25E1-350L-3X/6EG24EK31/A1D3M,R900772022
4WRKE25E1-350L-3X/6EG24EK31/A1D3M-280,R901075370
4WRKE25E1-350L-3X/6EG24K31/A1D3M,R900973368
4WRKE25E1-350L-3X/6EG24K31/A1D3M-280,R900249919
4WRKE25E1-350L-3X/6EG24K31/C1D3M,R901219179
4WRKE25W8-220L-3X/6EG24EK31/A1D3M,R901038659
4WRKE25W8-220L-3X/6EG24EK31/F1D3M,R900751048
4WRKE25W8-220L-3X/6EG24ETK31/F1D3M,R900766959
4WRKE25W8-220L-3X/6EG24K31/A1D3M,R900721996
4WRKE25W8-220L-3X/6EG24K31/F1D3M,R900711318
4WRKE25W8-350L-3X/6EG24EK31/A1D3M,R900245067
4WRKE25W8-350L-3X/6EG24EK31/F1D3M,R900705057
4WRKE25W8-350L-3X/6EG24ETK31/A1D3M,R900731881
4WRKE25W8-350L-3X/6EG24ETK31/F1D3M,R900743953
4WRKE25W8-350L-3X/6EG24K31/A1D3M,R900249554
4WRKE25W8-350L-3X/6EG24K31/F1D3M,R900979857
4WRKE25E220P-3X/6EG24EK31/A1D3M,R901059570
4WRKE25E350P-3X/6EG24EK31/A1D3M,R900770264
4WRKE25E350P-3X/6EG24ETK31/A1D3M,R901195767
4WRKE25E350P-3X/6EG24K31/A1D3M,R900717614
4WRKE25W6-220P-3X/6EG24ETK31/A1D3M,R901146836
4WRKE25W6-350P-3X/6EG24EK31/A1D3M,R901059573
4WRKE25W6-350P-3X/6EG24EK31/F1D3M,R901066669
4WRKE25W6-350P-3X/6EG24K31/F1D3M,R901047148
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4WRKE10E50L-3X/6EG24EK31/A1D3M,R900706739
4WRKE10E50L-3X/6EG24ETK31/A1D3M,R900719754
4WRKE10E50L-3X/6EG24K31/A1D3M,R900973373
4WRKE10W6-100L-3X/6EG24EK31/A1D3M,R900703914
4WRKE10W6-100L-3X/6EG24EK31/F1D3M,R900757868
4WRKE10W6-100L-3X/6EG24ETK31/A1D3M,R900704245
4WRKE10W6-100L-3X/6EG24ETK31/F1D3M,R900746091
4WRKE10W6-100L-3X/6EG24K31/A1D3M,R900973353
4WRKE10W6-100L-3X/6EG24K31/F1D3M,R900705349
4WRKE10W6-25L-3X/6EG24EK31/A1D3M,R901057128
4WRKE10W6-25L-3X/6EG24ETK31/F1D3M,R901202900
4WRKE10W6-25L-3X/6EG24K31/A1D3M,R901131241
4WRKE10W6-50L-3X/6EG24EK31/A1D3M,R900719667
4WRKE10W6-50L-3X/6EG24EK31/F1D3M,R901217997
4WRKE10W6-50L-3X/6EG24ETK31/F1D3M,R900749617
4WRKE10W6-50L-3X/6EG24K31/A1D3M,R900713239
4WRKE10W6-50L-3X/6EG24K31/F1D3M,R900705350
4WRKE16W6A200L-3X/6EG24ETK31/A5D3M,R900704401
4WRKE10W100P-3X/6EG24K31/A5D3M-693=DE,R900246010
4WRKE10W1-100P-3X/6EG24ETK31/A5D3M-706,R900715737
4WRKE10W4-100P-3X/6EG24K31/A5D3M-683,R900718465
4WRKE10W5-100L-3X/6EG24K31/A5D3M-182,R900771222
4WRKE10W5-100P-3X/6EG24K31/A5D3M-683,R900708955
4WRKE16W5-125L-3X/6EG24K31/A5D3M-683,R900977509

    德国4WRKE是一种高性能闭环比例方向阀,通过先导比例阀控制主阀芯的动作,在主阀体上装有一高精度的电位置反馈器及内置放大器,用于阀自身的闭环控制,可对液流的方向及流量进行成比例的精确控制。但在使用中也暴露出一些问题,如果不能引起高度的重视,可能会严重制约设备的稳定运行,缩短使用寿命,增加维护费用。

 

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