4WRKE16W6-200L-3X/6EG24ETK31/A1D3M比例閥

4WRKE16W6-200L-3X/6EG24ETK31/A1D3M比例方向閥 德國(guó)進(jìn)口博世力士樂(lè)REXROTH比例閥 比例伺服閥 比例方向閥

我公司有經(jīng)驗(yàn)代理博世力士樂(lè)（BOSCH-REXROTH）、阿托斯ATOS、派克Parker、迪普馬DUPLOMATIC、油研YUKEN;本特利bentley、貝加萊B&R、西門子、光洋KOYO，美國(guó)ASCO，美國(guó)PARKER派克 等系列進(jìn)口產(chǎn)品 

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

比例溢流閥的壓力控制閥

比例溢流閥的特點(diǎn)是調(diào)定的壓力與輸入電流大小成正比，即輸入的電流大，調(diào)定的壓力高。

當(dāng)通過(guò)計(jì)算機(jī)鍵盤輸入被折板料的抗拉強(qiáng)度，厚度，長(zhǎng)度以及下模V型槽開(kāi)口寬度后，計(jì)算機(jī)按折彎力計(jì)算公式求得所需折彎力，經(jīng)數(shù)模轉(zhuǎn)換后，通過(guò)控制比例溢流閥的電控器，向比例溢流閥輸入適當(dāng)?shù)碾娏髦�，從而達(dá)到控制折彎力大小的目的。板料折彎?rùn)C(jī)所需小折彎力和允許的大折彎力要與比例溢流閥的壓力特征曲線相對(duì)應(yīng)，并且使調(diào)定的壓力稍大于所需折彎力，以利于板料的順利折彎。

比例溢流閥的壓力控制一般為開(kāi)環(huán)，如接入壓力傳感器，可進(jìn)行閉環(huán)控制。

 

比例閥三種形態(tài)

（1）電磁式 電磁式是指采用比例電磁鐵作為電氣一機(jī)械轉(zhuǎn)換元件的比例閥，比例電磁鐵將輸入的電流信號(hào)轉(zhuǎn)換成力、位移機(jī)械信號(hào)輸出．進(jìn)而控制壓力、流量及方向等參數(shù)。

（2）電動(dòng)式 電動(dòng)式是指采用直流伺服電動(dòng)機(jī)作為電氣一機(jī)械轉(zhuǎn)換元件的比例閥，直流伺服電動(dòng)機(jī)將輸入的電信號(hào)．轉(zhuǎn)換成旋轉(zhuǎn)運(yùn)動(dòng)轉(zhuǎn)速，再經(jīng)絲桿螺母、齒輪齒條或齒輪凸輪等減速裝置和變換機(jī)構(gòu)，輸出力與位移，進(jìn)一步控制液壓參數(shù)。

（3）電液式 電液式是指采用力矩馬達(dá)和噴嘴擋板的結(jié)構(gòu)為先導(dǎo)控制級(jí)的比例閥。對(duì)力矩馬達(dá)輸入不同的電信號(hào)，并通過(guò)同它連接在一起的擋板（有時(shí)力矩馬達(dá)的銜鐵就是擋板）輸出位移或角位移，改變擋板和噴嘴之間的距離，使噴嘴噴出的油液流阻產(chǎn)生變化，進(jìn)而控制輸小參數(shù)。

比例閥供應(yīng)型號(hào)

力士樂(lè)比例換向閥型號(hào)舉例 

4WRKE 16 E200L-3X/6EG24ETK31/A1D3M 

 

材料號(hào)： R900704916

  描述 

產(chǎn)品類型4WRK位置控制式比例換向閥，

先導(dǎo)式，帶電子位置反饋

控制電子元件E帶內(nèi)裝式控制電子元件

通徑16通徑 16

油口位置按 ISO 4401,

編碼: 4401-07-06-0-94

閥芯E對(duì)稱式閥芯重疊

流量200200 L/min, 

閥壓力降 = 10 bar

特性曲線形式L線性

系列3X系列 30 至 39

先導(dǎo)6E比例電磁鐵帶可拆卸線圈

電壓G24供電電壓 24V DC

控制油ET內(nèi)部進(jìn)油，內(nèi)部回油

電子接口K31元件插頭，按 DIN EN 175201-804,

不帶電纜插座 (單獨(dú)訂貨)

給定值輸入A1給定值 /- 10 V

疊加閥D3帶減壓閥 ZDR 6 DP0-4X/40YM-W80 （固定調(diào)定）

密封MNBR 密封，適用于礦物油 (HL, HLP)

按 DIN 51 524, 其它的液體請(qǐng)?jiān)儐?wèn)。

 

 

REXROTH力士樂(lè)比例閥4WRKE10E-100L3X/6EG24EK31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE16E-125L3X/6EG24EK31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE16E-200L3X/6EG24EK31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE16W6-200P-3X/6EG24EK31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE25E350L3X/6EG24EK31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE32E600L-3X/6EG24K31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE32W6-600L-3X/6EG24K31/A1D3M

REXROTH力士樂(lè)比例閥4WREE10E75-2X/G24K31/A1V

REXROTH力士樂(lè)比例閥4WREE6E32-2X/G24K31/A1V

REXROTH力士樂(lè)比例閥4WREE6W32-2X/G24K31/A1V

REXROTH力士樂(lè)比例閥4WRAE10E60-2X/G24K31/A1V R900954083

REXROTH力士樂(lè)比例閥4WRAE6E1-30-2X/G24K31/F1V

REXROTH力士樂(lè)比例閥4WRBA10W64-2X/G24N9Z4/M 0811404833

REXROTH力士樂(lè)比例閥4WREE6E32-2X/G24K31/F1V

REXROTH力士樂(lè)比例閥4WRKE16W6-200L-3X/6EG24ETK31/A1D3M

REXROTH力士樂(lè)比例閥4WRKE25E350L-3X/6EG24K31/F1D3M

REXROTH力士樂(lè)比例閥4WRL10V85M-3X/G24Z4/M 0811404094

REXROTH力士樂(lè)比例閥4WRL16V200M-3X/G24TZ4/M-765 0811404221

REXROTH力士樂(lè)比例閥4WRL25V370M-3X/G24Z4/M 0811404405

REXROTH力士樂(lè)比例閥4WRZ10W8-85-7X/6EG24N9ETK4/D3M

REXROTH力士樂(lè)比例閥4WRZ25E1-220-7X/6EG24N9K4/M

REXROTH力士樂(lè)比例閥4WRZ32W6-520-7X/6EG24N9ETK4/D3M

0811404035  REXROTH力士樂(lè)比例閥4WRPH6C3B24L-2X/G24Z4/M

0811404038  REXROTH力士樂(lè)比例閥4WRPH6C4 B24L-2X/G24Z4/M

0811404039  REXROTH力士樂(lè)比例閥4WRPH 6 C4 B40L-2X/G24Z4/M

0811404060  REXROTH力士樂(lè)比例閥4WRPH 10 C4 B50L-2X/G24Z4/M

0811404061  REXROTH力士樂(lè)比例閥4WRPH 10 C4 B100L-2X/G24Z4/M

0811404062  REXROTH力士樂(lè)比例閥4WRPH 10 C3 B50P-2X/G24Z4/M

0811404063  REXROTH力士樂(lè)比例閥4WRPH 10 C3 B100P-2X/G24Z4/M

電磁鐵的性能指標(biāo)主要包括適用電壓（電流）、推（拉）力和行程等。

根據(jù)電壓可以分為12V直流，24V直流，110V交流，220V交流等。NG6閥用電磁鐵推拉力一般為20-

70N，行程在 3-7mm之間。當(dāng)懷疑某電磁閥卡滯或線圈燒毀時(shí)，可以將電磁閥反過(guò)來(lái)，看其行程是否在上述范圍之內(nèi)。

電磁鐵的外特性主要表現(xiàn)為電阻。常見(jiàn)的24V NG6電磁閥線圈阻值一般在16-26Ω之間，24V插裝

閥線圈阻值一般在20-38Ω之間，24V比例閥線圈阻值一般在21-26Ω。理論上，電磁吸力與電流的平方成正比，所以12V線圈阻值一般為對(duì)應(yīng)24V線圈的1/4左右。

比例電磁閥一般要求電流達(dá)到某一范圍。如REXROTH（力士樂(lè)）系列泵用24V比例電磁閥一般要求電流200-600mA，12V的要求電流400-1200mA。LINDE系列泵用24V比例電磁閥要求電流220-405mA或175-360mA。SAUER系列泵用24V比例電磁閥要求電流13-85mA。

力士樂(lè)REXROTH比例方向閥，先導(dǎo)式，帶整體電子放大版（OBE）和電氣位置反饋4WRKE

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R901100438 4WRKE10E1-100L-3X/6EG24ETK31/A5D3M-280

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R900728910 4WRKE10E1-100L-3X/6EG24TK31/A5D3M

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R900716032 4WRKE10E1-100P-3X/6EG24ETK31/A5D3M

R901060257 4WRKE10E1-25L-3X/6EG24ETK31/C1D3M

R901059565 4WRKE10E1-50L-3X/6EG24EK31/A1D3M

R900746826 4WRKE10E1-50L-3X/6EG24EK31/A5D3M

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R901039320 4WRKE10E1-50L-3X/6EG24ETK31/A5D3M

R900745314 4WRKE10E1-50L-3X/6EG24ETK31/A5D3M-280

R901213350 4WRKE10E1-50L-3X/6EG24ETK31/F1D3M

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R901125661 4WRKE10E100L-3X/6EG24EK31/F1D3M

R900704216 4WRKE10E100L-3X/6EG24ETK31/A1D3M

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R901407739 4WRKE10E100L-3X/6EG24ETK31/A5D3WC16M

R901382604 4WRKE10E100L-3X/6EG24ETK31/C1D3M

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R901307002 4WRKE10E100L-3X/6EG24K31/A1D3M-280

R900702018 4WRKE10E100L-3X/6EG24K31/A1D3V

R901416398 4WRKE10E100L-3X/6EG24K31/A1D3WC15M

R900708263 4WRKE10E100L-3X/6EG24K31/A5D3M

R901141974 4WRKE10E100L-3X/6EG24K31/C1D3M

R901044485 4WRKE10E100L-3X/6EG24K31/F1D3M

R901372383 4WRKE10E100L-3X/6EG24K31/F1D3V

R900707698 4WRKE10E100L-3X/6EG24TK31/A1D3M

R900739847 4WRKE10E100L-3X/6EG24TK31/A1D3WC15M

R900716190 4WRKE10E100L-3X/6EG24TK31/A5D3M

R987138491 4WRKE10E100L-3X/6EG24TK31A1D3M-574

R900770262 4WRKE10E100P-3X/6EG24EK31/A1D3M

R900736532 4WRKE10E100P-3X/6EG24EK31/A5D3M

R900750893 4WRKE10E100P-3X/6EG24EK31/F1D3M

R901342428 4WRKE10E100P-3X/6EG24EK31/F1D3V

R900722870 4WRKE10E100P-3X/6EG24ETK31/A1D3M

R900747710 4WRKE10E100P-3X/6EG24ETK31/A5D3M

R900737777 4WRKE10E100P-3X/6EG24ETK31/A5D3WC15M

R901140217 4WRKE10E100P-3X/6EG24K31/A1D3M

R900746184 4WRKE10E100P-3X/6EG24K31/A1D3V

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R901121866 4WRKE10E25L-3X/6EG24EK31/A1D3M-280

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R901407220 4WRKE10E25L-3X/6EG24EK31/F1D3M

R900781824 4WRKE10E25L-3X/6EG24ETK31/A1D3M

R901264204 4WRKE10E25L-3X/6EG24ETK31/A1D3V

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R901150985 4WRKE10E25L-3X/6EG24K31/A1D3M-280

R901032463 4WRKE10E25L-3X/6EG24K31/A5D3M

R901173391 4WRKE10E25L-3X/6EG24K31/F1D3M

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R900702609 4WRKE10E50L-3X/6EG24EK31/A5D3M

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R901263922 4WRKE10E50L-3X/6EG24EK31/F1D3M

R900719754 4WRKE10E50L-3X/6EG24ETK31/A1D3M

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R900753643 4WRKE10E50L-3X/6EG24ETK31/A1D3WC15M

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R901413392 4WRKE10R3-100L-3X/6EG24ETK31/A1D3V

R901116677 4WRKE10R3-100L-3X/6EG24ETK31/F1D3V

R901413573 4WRKE10R3-25L-3X/6EG24ETK31/A1D3M

R901422724 4WRKE10R3-50L-3X/6EG24EK31/A1D3M

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R901120323 4WRKE10R3-50L-3X/6EG24ETK31/F1D3V

R901007999 4WRKE10R5-100L-3X/6EG24EK31/A1D3M

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R901315595 4WRKE10R50L-3X/6EG24ETK31/F1D3M

R900707214 4WRKE10W100L-3X/6EG24ETK31/A1D3M

R900246010 4WRKE10W100P-3X/6EG24K31/A5D3M-693=DE

R900703218 4WRKE10W100P-3X/6EG24K31/A5D3M-706=KM

R900751305 4WRKE10W2-100L-3X/6EG24K31/A5D3M

R900720792 4WRKE10W3-100L-3X/6EG24ETK31/A5D3M

R900741722 4WRKE10W3-100L-3X/6EG24K31/A5D3M

R900978872 4WRKE10W4-50L-3X/6EG24K31/A5D3M-561=KM

R900703217 4WRKE10W4-50P-3X/6EG24K31/A5D3M-705=KM

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液壓系統(tǒng)的組成及其作用

一個(gè)完整的液壓系統(tǒng)由五個(gè)部分組成，即動(dòng)力元件、執(zhí)行元件、控制元件、輔助元件（附件）和液壓油。

動(dòng)力元件的作用是將原動(dòng)機(jī)的機(jī)械能轉(zhuǎn)換成液體的壓力能，指液壓系統(tǒng)中的油泵，它向整個(gè)液壓系統(tǒng)提供動(dòng)力。液壓泵的結(jié)構(gòu)形式一般有齒輪泵、葉片泵和柱塞泵。

執(zhí)行元件(如液壓缸和液壓馬達(dá))的作用是將液體的壓力能轉(zhuǎn)換為機(jī)械能，驅(qū)動(dòng)負(fù)載作直線往復(fù)運(yùn)動(dòng)或回轉(zhuǎn)運(yùn)動(dòng)。

控制元件(即各種液壓閥)在液壓系統(tǒng)中控制和調(diào)節(jié)液體的壓力、流量和方向。根據(jù)控制功能的不同，液壓閥可分為村力控制閥、流量控制閥和方向控制閥。壓力控制閥又分為益流閥(安全閥)、減壓閥、順序閥、壓力繼電器等；流量控制閥包括節(jié)流閥、調(diào)整閥、分流集流閥等；方向控制閥包括單向閥、液控單向閥、梭閥、換向閥等。根據(jù)控制方式不同，液壓閥可分為開(kāi)關(guān)式控制閥、定值控制閥和比例控制閥。

輔助元件包括油箱、濾油器、油管及管接頭、密封圈、快換接頭、高壓球閥、膠管總成、測(cè)壓接頭、壓力表、油位油溫計(jì)等。

液壓油是液壓系統(tǒng)中傳遞能量的工作介質(zhì)，有各種礦物油、乳化液和合成型液壓油等幾大類。

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