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品牌 | REXROTH/德國力士樂 | 應用領域 | 醫療衛生,食品,化工,農業,石油 |
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REXROTH力士樂液壓泵天添更實惠REXROTH力士樂液(ye)壓(ya)(ya)泵(beng)(beng)(beng)的(de)(de)(de)壓(ya)(ya)力油經泵(beng)(beng)(beng)體(ti)、泵(beng)(beng)(beng)殼變量(liang)(liang)(liang)殼體(ti)中(zhong)的(de)(de)(de)通油孔通過單向(xiang)(xiang)(xiang)(xiang)(xiang)閥進入變 量(liang)(liang)(liang)殼體(ti)的(de)(de)(de)下(xia)(xia)腔(qiang),當(dang)拉桿(gan)向(xiang)(xiang)(xiang)(xiang)(xiang)下(xia)(xia)運(yun)動時,推動伺服活塞向(xiang)(xiang)(xiang)(xiang)(xiang)下(xia)(xia)移動,伺服閥的(de)(de)(de)上閥口打(da)開,變量(liang)(liang)(liang)殼體(ti)下(xia)(xia)腔(qiang)的(de)(de)(de)壓(ya)(ya)力油經變量(liang)(liang)(liang)活塞中(zhong)的(de)(de)(de)通油孔進入變量(liang)(liang)(liang)殼體(ti)上腔(qiang),由于(yu)上腔(qiang)面(mian)積(ji) 大于(yu)下(xia)(xia)腔(qiang),液(ye)壓(ya)(ya)力推動活塞向(xiang)(xiang)(xiang)(xiang)(xiang)下(xia)(xia)運(yun)動,帶動銷軸使變量(liang)(liang)(liang)頭(tou)繞鋼球(qiu)中(zhong)心旋轉,改變變量(liang)(liang)(liang)頭(tou)的(de)(de)(de)傾斜角(jiao)(增(zeng)大),柱塞泵(beng)(beng)(beng)的(de)(de)(de)流(liu)(liu)量(liang)(liang)(liang)隨之增(zeng)大。反(fan)之拉桿(gan)向(xiang)(xiang)(xiang)(xiang)(xiang)上運(yun)動,變量(liang)(liang)(liang)頭(tou)的(de)(de)(de)傾 斜角(jiao)向(xiang)(xiang)(xiang)(xiang)(xiang)相反(fan)方向(xiang)(xiang)(xiang)(xiang)(xiang)變化,泵(beng)(beng)(beng)的(de)(de)(de)流(liu)(liu)量(liang)(liang)(liang)也隨之變化。當(dang)傾斜角(jiao)度變至零以后,則變量(liang)(liang)(liang)頭(tou)向(xiang)(xiang)(xiang)(xiang)(xiang)負偏角(jiao)方向(xiang)(xiang)(xiang)(xiang)(xiang)變化,液(ye)流(liu)(liu)產生換向(xiang)(xiang)(xiang)(xiang)(xiang),泵(beng)(beng)(beng)的(de)(de)(de)進出油口變換。
REXROTH力(li)士(shi)樂液(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng)是一種能量(liang)轉(zhuan)換(huan)裝置,把電動(dong)機的(de)(de)旋轉(zhuan)機械能轉(zhuan)換(huan)為液(ye)(ye)壓(ya)(ya)(ya)(ya)能輸(shu)出。Rexroth液(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng)都是依靠(kao)密封容積(ji)(ji)變(bian)化(hua)的(de)(de)原(yuan)理來進行(xing)工作(zuo)的(de)(de),故一般稱為容積(ji)(ji)式(shi)液(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng),液(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng)的(de)(de)工作(zuo)原(yuan)理如圖所(suo)示,泵(beng)體(ti)3 和柱(zhu)塞(sai)2 構(gou)成一個密封容積(ji)(ji),偏(pian)心輪1 由(you)(you)原(yuan)動(dong)機帶(dai)動(dong)旋轉(zhuan),當(dang)偏(pian)心輪由(you)(you)圖示位置向(xiang)下(xia)轉(zhuan)半(ban)周(zhou)時,柱(zhu)塞(sai)在(zai)彈簧6 的(de)(de)作(zuo)用下(xia)向(xiang)下(xia)移動(dong),密封容積(ji)(ji)逐漸增大(da),形(xing)成局部真空(kong),油箱(xiang)內的(de)(de)油液(ye)(ye)在(zai)大(da)氣壓(ya)(ya)(ya)(ya)作(zuo)用下(xia),頂(ding)開(kai)單向(xiang)閥4 進入密封腔(qiang)中,實(shi)現吸(xi)油;當(dang)偏(pian)心輪繼續再(zai)轉(zhuan)半(ban)周(zhou)時,它推動(dong)柱(zhu)塞(sai)向(xiang)上移動(dong),密封容積(ji)(ji)逐漸減小,油液(ye)(ye)受柱(zhu)塞(sai)擠壓(ya)(ya)(ya)(ya)而產(chan)生壓(ya)(ya)(ya)(ya)力(li),使(shi)單向(xiang)閥4 關閉,油液(ye)(ye)頂(ding)開(kai)單向(xiang)閥5 而輸(shu)入系(xi)統,這就是壓(ya)(ya)(ya)(ya)油,液(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng)的(de)(de)供油壓(ya)(ya)(ya)(ya)力(li)為p,供油流量(liang)為q。
REXROTH力士樂液壓泵漏油主要(yao)有以下(xia)原(yuan)因:
(1)主軸(zhou)油封損壞或軸(zhou)有缺陷、劃痕;
(2)內部泄(xie)(xie)漏過(guo)大,造成油封處(chu)壓力增大,而將油封損(sun)傷或沖出(chu);(3)泄(xie)(xie)油管過(guo)細過(guo)長,使密封處(chu)漏油;
(4)泵的(de)外接(jie)油管松動,管接(jie)頭損(sun)傷,密封墊老化或產生裂(lie)紋;(5)變量調節機構螺栓松動,密封破(po)損(sun);
(6)鑄鐵泵殼(ke)有砂眼(yan)或焊(han)接不(bu)良。
REXROTH力士樂液壓泵(beng)型號(hao)如下:
A4VG28DA2D2/32R-NZC10F015S 2036419
A4VG28DGD1/32R-NZC10F005S 2036421
A4VG28DGD1/32R-NZC10F015S 2036423
A4VG28DGD2/32R-NZC10F005S 2018984
A4VG28DGD2/32R-NZC10F015S 2036425
A4VG28EP1D1/32R-NZC10F005S 2034982
A4VG28EP1D1/32R-NZC10F015S 2019696
A4VG28EP1D2/32R-NZC10F005S 2036427
A4VG28EP1D2/32R-NZC10F015S 2036429
A4VG28EP2D1/32R-NZC10F005S 2036431
A4VG28EP2D1/32R-NZC10F015S 2019567
A4VG125DA2D2/32R-NZF02F001S 2024184
A4VG125DA2D2/32R-NZF02F021S 2024170
A4VG125DGD2/32R-NZF02F001S 2037002
A4VG125DGD2/32R-NZF02F021S 2037004
A4VG125EP2D1/32R-NZF02F001S 2023999
A4VG125EP2D1/32R-NZF02F021S 2024241
A4VG125EP2D2/32R-NZF02F001S 2024246
A4VG125EP2D2/32R-NZF02F021S 2024247
A4VG180DA2D2/32R-NZD02F001S 2026204
A4VG180DA2D2/32R-NZD02F021S 2037006
A4VG180DGD1/32R-NZD02F001S 2037008
A4VG180DGD1/32R-NZD02F021S 2037672
REXROTH液(ye)壓泵特點:
1)泵(beng)的流量正比于泵(beng)的轉(zhuan)速和(he)排量,調節(jie)它的斜盤擺角(jiao)可(ke)進行(xing)排量的無級調節(jie)2)同軸結構,可(ke)形成組合泵(beng)
3)位置約束(shu)回程結構
4)球面配(pei)流,柱塞(sai)圍繞主(zhu)軸傾斜布置
5)無級變量
6)優良的吸入能力
7)控制相應時間短
8) 低噪音
9)長壽命
10)優良的(de)功率/重量比
11)模塊化設計REXROTH力士樂液壓泵天添更實惠圖片如下: