4WRPEH10C4B100L-2X/G24K0/A1M
4WRPEH10C4B100L-2X/G24K0/A1M
产品简介:
阀对流量的控制可以分为两种:
一种是开关控制:要么全开、要么全关,流量要么大、要么小,没有中间状态,如普通的电磁直通阀、电磁换向阀、电液换向阀。
另一种是连续控制:阀口可以根据需要打开任意一个开度,由此控制通过流量的大小,这类阀有手动控制的,如节流阀,也有电控的,如比例阀、伺服阀。
力士乐液压部分系列型号:
R910997989 AA10VSO10DR/52R-PKC64N00-SO857
R902402740 AA10VSO10DR/52R-PKC64N00-SO858
R910993233 AA10VSO10DR/52R-PKC64N00-SO938
R902406253 AA10VSO10DR/52R-PKC64N00-SO938
R902406260 AA10VSO10DR/52R-PKC64N00ESO857
R902406252 AA10VSO10DR/52R-PKC64N00ESO938
R902406599 AA10VSO10DR/52R-PKC64N00ESO858
R902406178 AA10VSO10DR/52R-PPA14N00
R910990406 AA10VSO10DR/52R-PPA14N00
R902420100 AA10VSO10DR/52R-PPA14N00-SO846
R902415686 AA10VSO10DR/52R-PPA14N00-SO857
R910990448 AA10VSO10DR/52R-PPA14N00-SO858
R902430880 AA10VSO10DR/52R-PPA64N00
R910993736 AA10VSO10DR/52R-PSA14N00-SO32
R902407896 AA10VSO10DR/52R-PSA14N00-SO857
R910990575 AA10VSO10DR/52R-PSC64N00
R910989916 AA10VSO10DR/52R-PSC64N00-SO858
R910995689 AA10VSO10DR/52R-PSC64N00-SO922
R902406991 AA10VSO10DR/52R-PSC64N00E
R902424705 AA10VSO10DR/52R-PUC14N00
R902436391 AA10VSO10DR/52R-PUC14N00E
R902438655 AA10VSO10DR/52R-PUC14N00E
R902406244 AA10VSO10DR/52R-PUC64N00
R902438670 AA10VSO10DR/52R-PUC64N00-S1768
R910992288 AA10VSO10DR/52R-PUC64N00-SO857
R902418596 AA10VSO10DR/52R-PUC64N00-SO858
R902433002 AA10VSO10DR/52R-VKC64N00-S1768
R902406670 AA10VSO10DR/52R-VKC64N00ES1768
R902453681 AA10VSO10DR/52R-VPA14N00
R902443908 AA10VSO10DR/52R-VPA14N00-SO857
R902466631 AA10VSO10DR/52R-VSA14N00
R910989917 AA10VSO10DR/52R-VSC64N00-SO857
R910991254 AA10VSO10DR/52R-VUC64N00
R902428494 AA10VSO10DR1/52R-PSA14N00
R902422340 AA10VSO10DR1/52R-PSA14N00-S1482
R902419162 AA10VSO10DRG/52L-PSC64N00
R902419164 AA10VSO10DRG/52L-PUC64N00
R902432062 AA10VSO10DRG/52R-PKC14N00
R902406235 AA10VSO10DRG/52R-PKC64N00
R910988127 AA10VSO10DRG/52R-PKC64N00
R910992115 AA10VSO10DRG/52R-PKC64N00-SO846
R902435604 AA10VSO10DRG/52R-PKC64N00-SO857
R910992756 AA10VSO10DRG/52R-PKC64N00-SO858
R910990413 AA10VSO10DRG/52R-PPA14N00
R910994659 AA10VSO10DRG/52R-PPA14N00-SO857
R902409247 AA10VSO10DRG/52R-PPA14N00-SO858
R902433564 AA10VSO10DRG/52R-PPC14N00
R902410484 AA10VSO10DRG/52R-PSC14N00
R902412797 AA10VSO10DRG/52R-PSC14N00-SO857
R902410427 AA10VSO10DRG/52R-PSC64N00
R902430725 AA10VSO10DRG/52R-PUC14N00
R902408079 AA10VSO10DRG/52R-PUC64N00
R902436756 AA10VSO10DRG/52R-PUC64N00-SO857
R902438992 AA10VSO10DRG/52R-VUC64N00-SO857
R902421699 AA10VSO10ED71/52R-PSC64N00T
R902438190 AA10VSO10ED72/52R-PKC64N00T
R986120489 A A10VO45DFR1/52R-VSC64N00-SO481REM
R902545802 A A10VO72DRS/53R-VSR12N00-S3914
R902453149 A A10VO85EP1D/53R*UNGUEL***-S2211
R986120590 A A10VO60DFR1/52R-VSD12K01ES1265REMAN
R910966199 A10VO45DFR/52L-PSC12K68
R902543646 A10VO28ED71/53L+A10VNO28ED71/53L
R902447228 A10VO28ED72/52L+ A10VO28ED72/52L
R902550442 A10VO45DFR/52L+A10VSO18DFR/31L
R902406089 A10VO45DFR/52R+ A10VO45DFR/52R
R902406094 A10VO45DFR/52R+ A10VO45DFR/52R
R902406452 A10VO45DFR1/52L+A10VNO41DFR1/52LE
R902434291 A10VO45DFR1/52R+A10VSO18DR/31R
R902538089 A10VO45ED72/52L+ A10VO45ED72/52L
R902539782 A10VO45EP2D/53L+ A10VO45EP2D/53L
R902473044 A10VO60DFR/52R+ A10VO60DFR/52R
R992000915 A10VO60DFR1+ A10VO28EP2D+A10VNO28DRS
R902469095 A10VO60DFR1+ A10VO28EP2D+A10VNO28DRS
R902459138 A10VO60DFR1+ A10VO45ED72+A10VSO18DR
R902450583 A10VO60DFR1/52R+ A10VO28ED72/*UNGUEL***
R902450469 A10VO60DFR1/52R+ A10VO28ED72/52R
R902466634 A10VO60DFR1/52R+ A10VO28ED72/52R
R992000905 A10VO60DFR1/52R+ A10VO28ED72/52R
R902531776 A10VO60DFR1/52R+A10VSO18DR/31R
R902455685 A10VO85DFR1/52R+ A10VO60ED72/52R
R902465514 A10VO85DRS/53R+ A10VO45DRS/53R
R910978618 AH A10VO45DFR/52L-PSC61N00
R902401093 AH A10VO45DFR/52L-PSC62K68
R910969990 AH A10VO45DFR/52L-PSC64N00
R902400020 AH A10VO45DFR/52L-PSC64N00-SO710
R902401416 AH A10VO45DFR/52L-PUC62N00
R902424536 AH A10VO45DFR/52R-PSC12K04-SO547
R902406182 AH A10VO45DFR/52R-PSC62N00
R910970026 AH A10VO45DFR/52R-PSC64N00
R902403032 AH A10VO45DFR/52R-VSC11N00*UNGUEL***
R910974709 AH A10VO45DFR1/52L-PRC62K04
R902415824 AH A10VO45DFR1/52L-PSC12N00
R902427967 AH A10VO45DFR1/52L-PSC12N00-SO547
R910974710 AH A10VO45DFR1/52L-PSC61N00
R902409578 AH A10VO45DFR1/52L-PSC62K01
R902400021 AH A10VO45DFR1/52L-PSC64N00-SO710
R902433326 AH A10VO45DFR1/52L-PUC12N00
R902431415 AH A10VO45DFR1/52L-PUC12N00-S1750
R910984518 AH A10VO45DFR1/52L-PUC61N00
R910984700 AH A10VO45DFR1/52L-PUC61N00-SO694
R902435625 AH A10VO45DFR1/52L-PUC61N00ESO694
R910983453 AH A10VO45DFR1/52L-PUC64N00
R910983463 AH A10VO45DFR1/52L-PUC64N00-SO97
R902436923 AH A10VO45DFR1/52L-PWC12K01
R902513605 AH A10VO45DFR1/52L-VSC12K01
R902464644 AH A10VO45DFR1/52L-VSC12N00
R902449238 AH A10VO45DFR1/52R-PSC11N00
R902411157 AH A10VO45DFR1/52R-PSC11N00-S1220
R910983813 AH A10VO45DFR1/52R-PSC11N00-SO547
R902401454 AH A10VO45DFR1/52R-PSC61N00
R902437233 AH A10VO45DFR1/52R-PSC62N00
R902409556 AH A10VO45DFR1/52R-PSC64N00-S1137
R902400287 AH A10VO45DFR1/52R-PSC64N00-SO97
R902436987 AH A10VO45DFR1/52R-PUC12N00-S1723
R902404759 AH A10VO45DFR1/52R-PUC61N00
R902406710 AH A10VO45DFR1/52R-PUC64N00-SO547
R902468805 AH A10VO45DFR1/52R-VRC11N00-S2803
R992000914 AH A10VO45DFR1/52R-VRC11N00-S2803
R902410419 AH A10VO45DFR1/52R-VSC11N00-S1194
R902451252 AH A10VO45DFR1/52R-VSC12K01
R902450423 AH A10VO45DFR1/52R-VUC12N00-S2095
R902466756 AH A10VO45DFR1/52R-VUC12N00-S2521
R902401241 AH A10VO45DR/52L-PUC64N00
R902453099 AH A10VO45DR/52R-VSC11N00
R902449767 AH A10VO45DRG/52L-PRC12K68-SO547
R902430041 AH A10VO45DRG/52L-PSC12K01-SO547
R902445953 AH A10VO45DRG/52L-PSC12K68-SO547
R902452222 AH A10VO45DRG/52L-PSC12N00-S2155
R902554573 AH A10VO45DRS/53L-VSC12N00-SO734
R902406819 AH A10VO45ED71/52R-VSC61N00T
R902406822 AH A10VO45ED71/52R-VWC61N00T
R902455017 AH A10VO45ED72/52L-VCC11N00P-S1392
R902473592 AH A10VO45ED72/52R-VCC11N00P-S1457
R902455487 AH A10VO45ED72/52R-VSC11N00P
R902429990 AH A10VO45ED72/52R-VSC12N00T-S1458
R902451445 AH A10VO45ED74/52L-VUC12N00P-SO925
R902430545 AH A10VO45ED74/52R-VUC12N00P-SO925
R902439715 AH A10VO45ED74/52R-VUC12N00P-SO925
R902451717 AH A10VO45EK1ED/53L-VUC12N00PBASIC*PT*
R902538548 AL A10VO85DRS/53L-VWC12K01
R902538551 AL A10VO85DRS/53L-VWC12K04
R902538545 AL A10VO85DRS/53L-VWC12K07
R902544014 AL A10VO85EP1DS/53R-VUC12K01P
R902503595 AL A10VO100DR/53L-VSC12K07-S3342
R902546167 AL A10VO18DR/53L-VSC11N00
R902487376 AL A10VO18DR/53L-VSC11N00-S3291
R902502686 AL A10VO18DR/53L-VSC12K52-SO763
R902551102 AL A10VO18DR/53L-VSC12N00-SO584
R902506590 AL A10VO18DR/53L-VSC62N00-SXXXX
R902513120 AL A10VO18DR/53L-VTE12K52
R902512538 AL A10VO18DR/53L-VUC12N00
R902483921 AL A10VO18DR/53R-VRC12K01-S3063
R902554598 AL A10VO18DR/53R-VRC12K01-SO381
R902504609 AL A10VO18DR/53R-VUC62N00
R902505950 AL A10VO18DR/53R-VUC64N00
R902545799 AL A10VO18DR/53R-VUC11N00
R902472969 AL A10VO18DR/53R-VUC12N00
R902547566 AL A10VO18DRF/53L-VSC12N00
R902542716 AL A10VO18DRG/53L-VTE12N00-S4529
R902517549 AL A10VO18DRS/53L-VSC12N00-S3848
R902535454 AL A10VO18DRS/53L-VSC12K01
R902535453 AL A10VO18DRS/53R-VSC12K01
R902560573 AL A10VO18DRS/53R-VSC12K01
R902488831 AL A10VO18DRS/53R-VSC12N00
R902535929 AL A10VO18EP1D/53R-VSC12K01P
R902539583 AL A10VO18ED72/53L-VSC11N00P-S3689
R902531628 AL A10VO18ED72/53L-VTE12N00P-SO481
R902512462 AL A10VO18ED72/53L-VTE12N00P-SO481
R902551054 AL A10VO18ED72/53L-VUC12N00P
R992000972 AL A10VO18ED72/53R-VSC12N00P
R902487333 AL A10VO18ED72/53R-VSC12N00P
R902538500 AL A10VO18ED72/53R-VSC12N00P
R902531629 AL A10VO18ED72/53R-VSC12N00P
R902552195 AL A10VO18LA6DS/53R-VSC11N00
R902541496 AL A10VO18LA6DS/53R-VUC12N00
R902552196 AL A10VO18LA8DS/53R-VSC11N00
R902555337 AL A10VO18LA8DS/53R-VUC12N00-S2482
R902545295 AL A10VO18LA9DS/53R-VSC12N00-S4250
R902519307 AL A10VO18LA9DS/53R-VTE12N00-S3934
R902433153 AL A10VO28DFR/52L-PRC62N00
R902439721 AL A10VO28DFR/52L-PSC62K01
R902438475 AL A10VO28DFR/52L-PSC62N00
R902460330 AL A10VO28DFR/52L-VSC12K01-SO724
R902537536 AL A10VO28DFR/52L-VSC12N00-S2436
R902548152 AL A10VO28DFR/52L-VSC12N00-S4553
R902536921 AL A10VO28DFR/52L-VSC62N00
R902425754 AL A10VO28DFR/52R-PRC12K68-SO724
R902438194 AL A10VO28DFR/52R-PSC12K68
R902436927 AL A10VO28DFR/52R-PSC62K68
R902431255 AL A10VO28DFR/52R-PSC62N00
R902439350 AL A10VO28DFR/52R-VSC12K68
R902549934 AL A10VO28DFR/52R-VSC12K68
R902548153 AL A10VO28DFR/52R-VSC12N00-S4553
R902532323 AL A10VO28DFR/52R-VSC12N00-SO97
R902506589 AL A10VO28DFR/52R-VSC62K68
R902425845 AL A10VO28DFR/52W-VSC68N000-SO724
R902425996 AL A10VO28DFR1/52L-PSC11N00
R902402707 AL A10VO28DFR1/52L-PSC12N00-SO702
R902414920 AL A10VO28DFR1/52L-PSC12N00-SO851
R902431093 AL A10VO28DFR1/52L-PSC64N00
R902453036 AL A10VO28DFR1/52L-PTC12K68-S1543
R902412899 AL A10VO28DFR1/52L-VCC64N00-S1245
R986110117 AL A10VO28DFR1/52L-VCC64N00-S1420
R902431195 AL A10VO28DFR1/52L-VCC64N00-S1745
R902443744 AL A10VO28DFR1/52L-VCC64N00-S1967
R992000710 AL A10VO28DFR1/52L-VSC12N00-S1405
R986110567 AL A10VO28DFR1/52L-VSC12N00-S1405
R902443743 AL A10VO28DFR1/52L-VSC12N00-S1968
R902467136 AL A10VO28DFR1/52L-VSC12N00-S2532
R986110071 AL A10VO28DFR1/52L-VSC73N00
R902426587 AL A10VO28DFR1/52L-VSC73N00-S1608
R986110407 AL A10VO28DFR1/52L-VSC73N00ESO736
R986120174 AL A10VO28DFR1/52L-VSC73N00REMAN
R902438523 AL A10VO28DFR1/52L-VWC11N00
所以使用比例阀或伺服阀的目的是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作。
基本信息
中文名称
比例阀
外文名称
Proportional valve
作用
控制油液的流量和方向
结构
滑阀
目录
1滑阀结构
2区别
3延伸资料
滑阀结构
伺服阀的主阀一般来说和换向阀一样是滑阀结构,只不过阀芯的换向不是靠电磁铁来推动,而是靠前置级阀输出的液压力来推动,这一点和电液换向阀比较相似,只不过电液换向阀的前置级阀是电磁换向阀,而伺服阀的前置级阀是动态特性比较好的喷嘴挡板阀或射流管阀。
也是说,伺服阀的主阀是靠前置级阀的输出压力来控制的,而前置级阀的压力则来自于伺服阀的入口p,假如p口的压力不足,前置级阀不能输出足够的压力来推动主阀芯动作。
而我们知道,当负载为零的时候,如果四通滑阀完全打开,p口压力=t口压力+阀口压力损失(忽略油路上的其它压力损失),如果阀口压力损失很小,t口压力又为零,那么p口的压力不足以供给前置级阀来推动主阀芯,整个伺服阀失效了。所以伺服阀的阀口做得偏小,即使在阀口全开的情况下,也要有一定的压力损失,来维持前置级阀的正常工作。
伺服阀其实缺点极多:能耗浪费大、容易出故障、抗污染能力差、昂贵等等等等,好处只有一个:动态性能是所有液压阀中高的。凭着这一个优点,在很多对动态特性要求高的场合不得不使用伺服阀,如飞机火箭的舵机控制、汽轮机调速等等。动态要求低一点的,基本上都是比例阀的天下了。
一般说来,好像伺服系统都是闭环控制,比例阀多用于开环控制;其次比例阀类型要多,有比例压力、流量控制阀等,控制比伺服要灵活一些。从他们内部结构看,伺服阀多是零遮盖,比例阀则有一定的死区,控制精度要低,响应要慢。但从发展趋势看,特别在比例方向流量控制阀和伺服阀方面,两者性能差别逐渐在缩小,另外比例阀的成本比伺服阀要低许多,抗污染能力也强!
区别
伺服阀与比例阀的区别
伺服阀与比例阀之间的差别并没有严格的规定,因为比例阀的性能越来越好,逐渐向伺服阀靠近,所以近些年出现了比例伺服阀。
比例阀和伺服阀的区别主要体现在以下几点:
1.驱动装置不同。比例阀的驱动装置是比例电磁铁;伺服阀的驱动装置是力马达或力矩马达;
2.性能参数不同。滞环、中位死区、频宽、过滤精度等特性不同,因此应用场合不同,伺服阀和伺服比例阀主要应用在闭环控制系统,其它结构的比例阀主要应用在开环控系统及闭环速度控制系统;
2.1 伺服阀中位没有死区,比例阀有中位死区;
2.2 伺服阀的频响(响应频率)更高,可以高达200Hz左右,比例阀一般高几十Hz;
2.3 伺服阀对液压油液的要求更高,需要经过滤才行,否则容易堵塞,比例阀要求低一些;
3.阀芯结构及加工精度不同。比例阀采用阀芯+阀体结构,阀体兼作阀套。伺服阀和伺服比例阀采用阀芯+阀套的结构。
4.中位机能种类不同。比例换向阀具有与普通换向阀相似的中位机能,而伺服阀中位机能只有O型(Rexroth产品的E型)。
5.阀的额定压降不同。
而比例伺服阀性能介于伺服阀和比例阀之间。
比例换向阀属于比例阀的一种,用来控制流量和流向。
延伸资料
---电气比例阀
自动控制可分成断续控制和连续控制。断续控制即开关控制。气动控制系统中使用动作频率较低的开关式(ON-OFF)的换向阀来控制气路的通断。靠减压阀来调节所需要的压力,靠节流阀来调节所需要的流量。这种传统的气动控制系统要想要有多个输出力和多个运动速度,需要多个减压阀、节流阀及换向阀。这样,不仅元件需要多,成本高,构成系统复杂,且许多元件都需要预先进行人工调节。电气比例阀控制属于连续控制,其特点是输出量随输入量的变化而变化,输出量与输入量之间存在一定的比例关系。比例控制有开环控制和闭环控制之分。
结构原理
输入信号增大,供气用电磁阀先导阀1换向,而排气用电磁先导阀7处于复位状态,则供气压力从SUP口通过阀1进入先导室5,先导室压力上升,气压力作用在膜片2的上方,则和膜片2相连的供气阀芯4便开启,排气阀芯3关闭,产生输出压力。此输出压力通过压力传感器6反馈控制回路8。在这里,与目标值进行快速比较修正,知道输出压力与输入信号成一定比例为止,从而得到输出压力与输入信号的变化成比例的变化。由于没有喷嘴挡板机构,故阀对杂质不敏感,可靠性高。
特点
1)可实现压力、速度的无极调节,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。
公司简介:
武汉百士自动化设备有限公司位于武汉洪山区,是一家从事经营自动化仪表备件、液压泵阀的贸易型公司;专注于中国工业传动自动化流体领域。主营产品数控模块、伺服电机、可编程控制器、传感器、气动元件、工业仪器仪表、电磁阀、柱塞泵、液压元件等。经营品牌有:贝加莱B&R、西门子Siemens、本特利bently、爱尔泰克Airtec气动、安沃驰Aventics、博世力士乐rexroth、阿托斯ATOS、迪普马DUPLOMATIC、Parker派克、伊顿EATON VICKERS等品牌。
公司本着创业人为本、发展靠科技、管理出效益、服务上的理念。为广大的顾客价值 ,为企业效益 ,为员工机遇的发展方向 。我们的理念是让的企业成为我们的客户,让我们的客户成为的企业。公司提供销售服务,同时还建立了完善的售后服务体系,为企业发展中遇到的问题和困难提供指导帮助。我们相信,通过我们的不断努力和追求,能够实现与中小企业的互利共赢!
我们热诚欢迎各界朋友来电咨询、洽谈业务。
产品报价及货期说明 因工业液压、自动化各进口品牌备件型号繁多,欧美产品货期实时变化,因此很难实时标出准确,故具体产品信息、报价及货期请以我公司报价单为准 ,给您带来不便敬请谅解!以上信息由武汉百士公布,终解释权归武汉百士自动化设备有限公司所有。感谢您的合作,竭诚为您服务。