在傳統(tǒng)型式的液壓控制閥中,只能對液壓進(jìn)行定值控制,例如:壓力閥在某個(gè)設(shè)定壓力下作動(dòng),流量閥保持通過所設(shè)定的流量,方向閥對於液流方向通/斷的切換。因此這些控制閥組成的系統(tǒng)功能都受到一些限制,隨著技術(shù)的進(jìn)步,許多液壓系統(tǒng)要求流量和壓力能連續(xù)或按比例地隨控制閥輸入信號(hào)的改變而變化。液壓伺服系統(tǒng)雖能滿足其要求,而且精度很高,但對於大部分的工業(yè)來說,他們并不要求系統(tǒng)有如此高的品質(zhì),而希望在保證一定控制性能的條件下,同時(shí)價(jià)格低廉,工作可靠,維護(hù)簡單,所以比例控制閥就是在這種背景下發(fā)展起來的。
壓力控制閥:用比例電磁閥取代引導(dǎo)式溢流閥的手調(diào)裝置便成為引導(dǎo)式比例溢流閥,其輸出的液壓壓力由輸入信號(hào)連續(xù)或按比例控制。
閥或調(diào)速閥的手調(diào)裝置而以輸入信號(hào)控制節(jié)流閥或調(diào)速閥之節(jié)流口開度,可連續(xù)或按比例地控制其輸出流量。故節(jié)流口的開度便可由輸入信號(hào)的電壓大小決定。
方向控制閥:比例電磁閥取代方向閥的一般電磁閥構(gòu)成直動(dòng)式比例方向閥,其滑軸不但可以換位,而且換位的行程可以連續(xù)或按比例地變化,因而連通油口間的通油面積也可以連續(xù)或按比例地變化,所以比例方向控制閥不但能控制執(zhí)行元件的運(yùn)動(dòng)方向外,還能控制其速度。
特點(diǎn):
— 直控式比例換向閥可以控制液流的方向和大小
— 閥的控制通過帶中心螺紋的比例電磁鐵實(shí)現(xiàn),線圈可單 獨(dú)拆卸
— 帶電反饋
— 板式連接結(jié)構(gòu) 孔型符合:DIN 24 340 , A 型,ISO 4401 和 CETOP-RP 121 H
— 控制閥芯由彈簧對中
— 4WREE型帶內(nèi)置放大器,接口形式為A1或F1
— 4WRE型使用的放大器:
* 數(shù)字式放大器VT-VRPD-2-1X/V0/0
* 模擬式放大器VT-VRPA2-,-1X
工作原理:二位四通和三位四通比例方向閥為直控,板式結(jié)構(gòu);由比例電磁鐵操作,比例電磁鐵帶中心螺紋,線圈可單獨(dú)拆卸,電磁鐵的控制可通過外部放大器(WRE型)或內(nèi)置的放大器(WREE型)
舉例型號(hào):4WREE10E75-2X/G24K31/A1V
4WRE →直控式比例換向閥,板式結(jié)構(gòu)
E →帶內(nèi)置放大器(無E可通過連接外部放大器)
10 → 10通經(jīng)(也有6通經(jīng)等)
E →機(jī)能符號(hào)(也有E1-、V、W、W1-、EA、WA等)
75 →閥的壓差為10bar時(shí)的額定流量(NS10) 75 L/min
(也有(NS6)08、16、32,(NS10)25、50、75等)
2X →20至29系列(20至29:安裝和連接尺寸不變)
G24 →24V直流電源
K31 →帶符合E DIN 43 563-AM6-3的插座,不帶插頭 插頭 需單獨(dú)訂貨(K4指帶符合DIN 43 650-AM2的插座 不 帶插頭)
A1 →WREE型A1或F1接口:給定值輸入±10 V(F1=給定值 輸入4至20mA)
V →氟橡膠矩形密封圈 符合DIN 51 524 標(biāo)準(zhǔn)的液壓油 (HL,HLP)
4WREE6E32-2X/G24K31/A1V-655德國Rexroth力士樂比例閥
4WREE6E32-2X/G24K31/A1V-655德國Rexroth力士樂比例閥 全新原裝進(jìn)口,假一罰十
4WREE6E32-2X/G24K31/A1V-655德國Rexroth力士樂比例閥
Rexroth力士樂換向閥,力士樂電磁閥,Bosch電磁閥,Bosch液壓閥,Bosch氣動(dòng)閥,rexroth液壓元件,力士樂Rexroth節(jié)流閥,rexroth力士樂截止閥,Bosch力士樂 Rexroth單向閥,rexroth流量閥,rexroth比例溢流閥,力士樂換向閥,Bosch力士樂Rexroth壓力閥,Bosch力士樂Rexroth力士樂比例閥,比例閥, Bosch力士樂Rexroth力士樂高頻響閥和伺服閥,Bosch力士樂Rexroth力士樂先導(dǎo)式比例方向閥,Bosch力士樂Rexroth力士樂直動(dòng)式比例方向閥,力士樂比例流量控制閥,力士樂高頻響方式閥,力士樂伺服閥,力士樂Rexroth比例減壓閥,Bosch力士樂Rexroth力士電子元件,力士樂rexroth開關(guān)閥,力士樂rexroth方向滑閥,力士樂Bosch減壓閥,力士樂rexroth方流量控制閥,力士樂rexroth方截止閥-梭閥,力士樂rexroth壓力截止閥,力士樂Rexroth插裝閥,力士樂Rexroth壓力截止閥,力士樂Rexroth控制閥塊。
力士樂二位四通和三位四通比例方向閥選型參考
二位四通和三位四通比例方向直控閥,閥芯帶位移反饋
型號(hào) 4WRE 和 4WREE
通經(jīng)6 和 10
2X 系列
最高工作壓力 315 bar
最大流量 80 L/min (NS6)
最大流量 180 L/min (NS6)
R900974914 4WREE6E32-2X/G24K31/A1V-280
R900974247 4WREE6WA16-2X/G24K31/A1V
R900974228 4WREE6E08-2X/G24K31/A1V-280
R900974227 4WREE10W50-2X/G24K31/A1V-280
R900974152 4WRE10W1-25-2X/G24K4/V
R900973482 4WREE6WA08-2X/G24K31/A1V
R900973289 4WREE6EA16-2X/G24K31/F1V
R900971420 4WREE10EA50-2X/G24K31/F1V
R900970875 4WRE6E32-1X/24K4/M-254
R900970194 4WRE10E2-32-1X/24K4/M
R900970089 4WREE10E1-75-2X/G24K31/F1V
R900969501 4WREE10W75-2X/G24K31/A1V=DE
R900969483 4WREE6W32-2X/G24K31/A1V=DE
R900969351 4WRE10EA75-2X/G24K4/V
R900969321 4WREE10W3-75-2X/G24K31/A1V
R900968149 4WRE6E1-08-2X/G24K4/V
R900967790 4WREE10EA25-2X/G24K31/A1V
R900967564 4WREE6W04-2X/G24K31/F1V
R900967483 4WRE6M16-1X/24K4/M
R900967470 4WRE10E32-1X/24K4/M-120
R900966805 4WRE6V1-16-2X/G24K4/V
R900965753 4WRE10EA16-1X/24K4/M-120
R900965507 4WRE10EA64-1X/24K4/M-468
R900965492 4WRE10WA64-1X/24K4/V
R900965434 4WRE6WA16-2X/G24K4/V
R900965197 4WRE10WA16-1X/24K4/M
R900965185 4WREE10W1-50-2X/G24K31/F1V
R900965071 4WREE6W1-08-2X/G24K31/F1V
R900964934 4WREE6WA32-2X/G24K31/F1V
R900964078 4WREE6EB32-2X/G24K31/F1V
R900963884 4WRE10E1-16-1X/24K4/M
R900963483 4WREE10WA75-2X/G24K31/F1V
R900962497 4WRE10E2-64-1X/24K4/M
R900962405 4WREE10W1-25-2X/G24K31/F1V
R900962181 4WREE6E32-2X/G24K31/A1V-655
R900961534 4WRE6V1-08-1X/24K4/M
4WREE6V16-22/G24K31/F1V
4WREE6V16-2X/G24K31/F1V
4WREE6V16-22/G24K31/A1V
4WREE10E75-2X/G24K31/A1V現(xiàn)貨
4WREE10E75-2X/G24K31/F1V 現(xiàn)貨
4WREE6V08-2X/G24K31/F1V ?現(xiàn)貨
4WREE6V32-2X/G24K31/A1V 現(xiàn)貨
4WREE6V08-2X/G24K31/A1V 現(xiàn)貨
4WREE6E32-2X/G24K31/F1V
4WREE6WA32-2X/G24K31/F1V
4WREE10V25-2X/G24K31/F1V 現(xiàn)貨
4WREE6V04-2X G24K31 F1V 現(xiàn)貨
4WREE10W75-2X/G24K31/F1V
R900961301 4WRE10EA32-1X/24K4/M-120
R900961125 4WRE6WA08-1X/24K4/M
R900960668 4WRE6E1-08-1X/24K4/M
R900960226 4WRE6W00-1X/24K4/M-119
R900960160 4WRE6WA16-1X/24K4/M-303
R900959689 4WRE6W3-32-1X/24K4/M
R900958851 4WRE10EA64-1X/24K4/M-193
R900958777 4WRE6W00-1X/24K4/M-268
R900958157 4WREE10E1-25-2X/G24K31/A1V
R900957259 4WREE10E50-2X/G24K31/A1V-655
R900956574 4WREE10E25-2X/G24K31/F1V
R900956470 4WRE10EA64-1X/24K4/V
R900956458 4WREE10W1-25-2X/G24K31/A1V
R900955406 4WRE10W64-1X/24K4/V
R900955393 4WRE10WA64-1X/24K4/M
R900954117 4WRE10V75-2X/G24K4/V
R900954116 4WRE10V50-2X/G24K4/V
R900954115 4WRE10V25-2X/G24K4/V
R900954114 4WRE10W1-75-2X/G24K4/V
R900954113 4WRE10W1-50-2X/G24K4/V
R900954107 4WRE10W75-2X/G24K4/V
R900954106 4WRE10W50-2X/G24K4/V
R900927233 4WREE10W75-23/G24K31/A1V
R900954105 4WRE10W25-2X/G24K4/V
R900954104 4WRE10E1-75-2X/G24K4/V
R900954103 4WRE10E1-50-2X/G24K4/V
R900954102 4WRE10E75-2X/G24K4/V
R900954101 4WRE10E50-2X/G24K4/V
R900954100 4WRE10E25-2X/G24K4/V
R900954099 4WRE6V32-2X/G24K4/V
R900954098 4WRE6V16-2X/G24K4/V
R900954097 4WRE6V08-2X/G24K4/V
R900954096 4WRE6W1-32-2X/G24K4/V
R900954095 4WRE6W1-16-2X/G24K4/V
R900954094 4WRE6E1-32-2X/G24K4/V
R900954093 4WRE6E1-16-2X/G24K4/V
R900954092 4WRE6E16-2X/G24K4/V
R900953729 4WRE6W1-08-2X/G24K4/V
R900953102 4WREE10W25-2X/G24K31/F1V
R900953026 4WRE6W1-08-1X/24K4/V
R900953025 4WRE10E2-64-1X/24K4/M-402
R900952239 4WREE10E75-2X/G24K31/A1V-655
R900951018 4WRE10EA32-1X/24K4/M
R900950902 4WREE10V1-75-2X/G24K31/A1V
R900950416 4WREE6W16-2X/G24K31/F1V
R900950365 4WREE10V1-25-2X/G24K31/A1V
R900950342 4WREE6E16-2X/G24K31/A1V-655
R900950341 4WREE6E08-2X/G24K31/A1V-655
R900950317 4WREE6EA08-2X/G24K31/A1V
R900949899 4WREE6V1-16-2X/G24K31/F1V
R900949863 4WREE6V1-08-2X/G24K31/F1V
R900949806 4WREE10W50-2X/G24K31/F1V
R900949708 4WRE10W00-1X/24K4/M-174
R900949222 4WREE6E1-32-2X/G24K31/F1V
R900949106 4WRE10W00-1X/24K4/M-173
R900948412 4WREE6X00-2X/G24K31/F1V-652
R900948360 4WREE10W75-2X/G24K31/F1V
R900947990 4WRE10W2-32-1X/24K4/M
R900947410 4WRE6E16-1X/24K4/V
R900947314 4WRE10W64-1X/24K4/M-646
R900947313 4WRE10E64-1X/24K4/M-646
R900947277 4WRE6W1-16-1X/24K4/V
R900946397 4WRE6E00-1X/24K4/M-165
R900945615 4WRE6EA16-1X/24K4/M
R900944924 4WRE6V00-1X/24K4/M-165
R900944121 4WRE6W16-2X/G24K4/V
R900943804 4WREE10V1-50-2X/G24K31/A1V
R900943381 4WRE10W2-64-1X/24K4/M
R900943348 4WRE6W16-1X/24K4/V
R900943272 4WRE10EA64-1X/24K4/M-120
R900943094 4WREE10E50-2X/G24K31/F1V
R900942574 4WRE10E64-1X/24K4/M-402
R900942153 4WRE10E16-1X/24K4/V
R900941623 4WREE6E16-2X/G24K31/F1V
R900941264 4WRE6W08-2X/G24K4/V博世力士樂放大器
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0811403001 4WRP 10 EA63S-1X/G24Z4/M?
0811403017 4WRBA 10 EA75-2X/G24K4/M-828?
0811404034 4WRPH 6 C3 B12L-2X/G24Z4/M?
811404035 4WRPH 6 C3 B24L-2X/G24Z4/M?
0811404037 4WRPH 6 C4 B12L-2X/G24Z4/M?
? ? 0811404038 4WRPH 6 C4 B24L-2X/G24Z4/M?
? ? 0811404043 4WRPH 6 C3 B25P-2X/G24Z4/M?
? ? 0811404046 4WRPH 6 C4 B40P-2X/G24Z4/M?
? ? 0811404059 4WRPH 10 C3 B100L-2X/G24Z4/M?
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? ? 0811404061 4WRPH 10 C4 B100L-2X/G24Z4/M?
? ? 0811404063 4WRPH 10 C3 B100P-2X/G24Z4/M?
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? ? 0811404080 4WRP 10 W63S-1X/G24Z4/M?
? ? 0811404104 4WRP 6 C3 B02L-1X/G24Z4/M?
? ? 0811404114 4WRBA 6 E30-2X/G24N9Z4/M?
? ? 0811404115 4WRBA 6 E15-2X/G24N9Z4/M?
? ? 0811404122 4WRPH 6 C3 B04L-1X/G24Z4/M?
? ? 0811404123 4WRBA 6 E07-2X/G24N9Z4/M?
? ? 0811404140 4WRPE 6 E18SJ-2X/G24K0/A1M?
? ? 0811404141 4WRPE 6 E32SJ-2X/G24K0/A1M?
? ? 0811404147 4WRPE 6 W32SJ-2X/G24K0/F1M?
? ? 0811404150 4WRBAE 6 E32J-2X/G24N9K31/A1M?
? ? 0811404152 4WRBAE 6 W32J-2X/G24N9K31/A1M?
? ? 0811404183 4WRL 10 W80S-3X/G24Z4/M?
? ? 0811404188 4WRL 10 W80S-3X/G24ETZ4/M?
? ? 0811404207 4WRL 16 V200M-3X/G24Z4/M?
? ? 0811404209 4WRL 16 WZ180S-3X/G24Z4/M?
? ? 0811404213 4WRL 16 W1Z180S-3X/G24Z4/M?
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? ? 0811404351 4WRPEH 6 C4 B12L-2X/G24K0/F1M?
? ? 0811404353 4WRPEH 6 C4 B40L-2X/G24K0/F1M?
? ? 0811404354 4WRPEH 6 C1 B40L-2X/G24K0/F1M?
? ? 0811404405 4WRL 25 V370M-3X/G24Z4/M?
?0811404407 4WRL 25 EZ350S-3X/G24Z4/M?
ATOS放大器 E-ME-AC-01F 20 ?
力士樂氣動(dòng)閥 0820 058 028
迪普馬Duploma DS3-S2/10N-D24K1
力士樂泵A10VSO100DFR1/32R-PPB12N00?
博世0811 405 061
派克丹尼遜葉片泵T6C-025-1R00-B1
力士樂4WEH16J7X/6EG24N9ETK4/B08
力士樂閥4WE6J62/EG24N9K4?
博士-力士樂DBDS10K18/400
壓力繼電器HED80A1X/350K14
力士樂M-3SEW6C3X/420MG24N9K4 ?
0811404409 4WRL 25 W1Z350S-3X/G24Z4/M?
0811404430 4WRLE 25 V370M-3X/G24K0/A1M?
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