力士樂葉片泵PV7-1X/06-14RA01MA0-07特價供應(yīng)

經(jīng)營產(chǎn)品：

閥類：電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡

閥、插裝閥、比例閥等

泵類：齒輪泵、柱塞泵、葉片泵等

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武穴黎翔機電設(shè)備有限公司REXROTH力士樂銷售部

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葉片泵的管理要點除需防干轉(zhuǎn)和過載、防吸入空氣和吸入真空度過大外，還應(yīng)注意：
1．泵轉(zhuǎn)向改變，則其吸排方向也改變?nèi)~片泵都有規(guī)定的轉(zhuǎn)向，不允許反。因為轉(zhuǎn)子葉槽有傾斜，葉片有倒角，葉片底部與排油腔通，配油盤上的節(jié)流槽和吸、排口是按既定轉(zhuǎn)向設(shè)計。可逆轉(zhuǎn)的葉片泵必須專門設(shè)計。
2．葉片泵裝配 配油盤與定子用定位銷正確定位，葉片、轉(zhuǎn)子、配油盤都不得裝反，定子內(nèi)表面吸入?yún)^(qū)部分易磨損，必要時可將其翻轉(zhuǎn)安裝，以使原吸入?yún)^(qū)變?yōu)榕懦鰠^(qū)而繼續(xù)使用。
3．拆裝 注意工作表面清潔，工作時油液應(yīng)很好過濾。
4. 葉片在葉槽中的間隙太大會使漏泄增加，太小則葉片不能自由伸縮，會導(dǎo)致工作失常。
5．葉片泵的軸向間隙 對ηv影響很大。
1)小型泵-0.015～0.03mm
2)中型泵-0.02～0.045mm
6．油液的溫度和粘度 一般不宜超過55℃，粘度要求在17～37mm2/s之間。粘度太大則吸油困難；粘度太小則漏泄嚴重。

一、單作用葉片泵的工作原理
泵由轉(zhuǎn)子1、定子2、葉片3、配油盤和端蓋等部件所組成。定子的內(nèi)表面是圓柱形孔。轉(zhuǎn)子和定子之間存在著偏心。葉片在轉(zhuǎn)子的槽內(nèi)可靈活滑動，在轉(zhuǎn)子轉(zhuǎn)動時的離心力以及通入葉片根部壓力油的作用下，葉片頂部貼緊在定子內(nèi)表面上，于是兩相鄰葉片、配油盤、定子和轉(zhuǎn)子間便形成了一個個密封的工作腔。當(dāng)轉(zhuǎn)子按逆時針方向旋轉(zhuǎn)時，圖右側(cè)的葉片向外伸出，密封工作腔容積逐漸增大，產(chǎn)生真空，于是通過吸油口6和配油盤5上窗口將油吸入。而在圖的左側(cè)。葉片往里縮進，密封腔的容積逐漸縮小，密封腔中的油液經(jīng)配油盤另一窗口和壓油口1被壓出而輸出到系統(tǒng)中去。這種泵在轉(zhuǎn)子轉(zhuǎn)一轉(zhuǎn)過程中，吸油壓油各一次，故稱單作用泵。轉(zhuǎn)子受到徑向液壓不平衡作用力，故又稱非平衡式泵，其軸承負載較大。改變定子和轉(zhuǎn)子間的偏心量，便可改變泵的排量，故這種泵都是變量泵。
二、雙作用葉片泵的工作原理
它的作用原理和單作用葉片泵相似，不同之處只在于定子表面是由兩段長半徑圓弧、兩段短半徑圓弧和四段過渡曲線八個部分組成，且定子和轉(zhuǎn)子是同心的。在圖示轉(zhuǎn)子順時針方向旋轉(zhuǎn)的情況下，密封工作腔的容積在左上角和右下角處逐漸增大，為吸油區(qū)，在左下角和右上角處逐漸減小，為壓油區(qū)；吸油區(qū)和壓油區(qū)之間有一段封油區(qū)把它們隔開。這種泵的轉(zhuǎn)子每轉(zhuǎn)一轉(zhuǎn)，每個密封工作腔完成吸油和壓油動作各兩次，所以稱為雙作用葉片泵。泵的兩個吸油區(qū)和兩個壓油區(qū)是徑向?qū)ΨQ的，作用在轉(zhuǎn)子上的液壓力徑向平衡，所以又稱為平衡式葉片泵。
雙作用葉片泵的瞬時流量是脈動的，當(dāng)葉片數(shù)為4的倍數(shù)時脈動率小。為此，雙作用葉片泵的葉片數(shù)一般都取12或16。
Rexroth力士樂PV7常用型號:
PV7-1X/10-14RE01MC0-16
PV7-1X/10-14RE01MD0-16
PV7-1X/10-20RE01MC0-10
PV7-1X/10-20RE01MD0-10
PV7-1X/16-20RE01MC0-16
PV7-1X/16-20RE01MD0-16
PV7-1X/16-30RE01MC0-08
PV7-1X/16-30RE01MD0-08
PV7-1X/25-30RE01MC0-16
PV7-1X/25-30RE01MD0-16
PV7-1X/25-45RE01MC0-08
PV7-1X/25-45RE01MD0-08
PV7-1X/40-45RE37MC0-16
PV7-1X/40-45RE37MD0-16
PV7-1X/40-71RE37MC0-08
PV7-1X/40-71RE37MD0-08
PV7-1X/63-71RE07MC0-16
PV7-1X/63-71RE07MD0-16
PV7-1X/63-94RE07MC0-08
PV7-1X/63-94RE07MD0-08
PV7-1X/100-118RE07MC0-16
PV7-1X/100-118RE07MD0-16
PV7-1X/100-150RE07MC0-08
PV7-1X/100-150RE07MD0-08
PV7-1X/06-10RA01MA0-05
PV7-1X/06-10RA01MA0-10
PV7-1X/06-14RA01MA0-04
PV7-1X/06-14RA01MA0-07
PV7-2X/20-20RA01MA0-05
PV7-2X/20-20RA01MA0-10
PV7-2X/20-25RA01MA0-05
PV7-2X/20-25RA01MA0-10

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R909428410   A2FO28/61R-PPP06

R909428745   A2FO28/61R-PPP05

R909428789   A2FO125/61R-VBB05

R909428853   A2FO28/61R-VPB06*G*

R909428878   A2FO10/61R-PPP06

R909428889   A2FO16/61R-VBB06-S*G*

R909428946   A2FO63/61R-VAB05

R909429318   A2FO23/61R-PPP06

R909429886   A2FO160/61R-VPB05

R909429926   A2FO12/61R-PPP06

R909429955   A2FO125/61R-VAB05

R909433364   A2FO56/61R-PZBXX-S*Z*

R909433499   A2FO23/61R-PPP05

R909433630   A2FO45/61R-VPB05

R909433963   A2FO90/61R-VBB05

R909438282   A2FO107/61R-PBB05

R909438703   A2FO10/61R-VZB06

R909438894   A2FO10/61R-XAB06-S

R909438903   A2FO125/61R-PPB05

R909441804   A2FO200/61R-PBB05*G*

R909441902   A2FO23/61R-XZP06-S*G*

R909442143   A2FO107/61R-VZB05

R909442206   A2FO63/61R-VZB05-S

R909442336   A2FO160/61R-VZB05

力士樂柱塞泵A2FO28/61R-VPB05