意大利ATOS阿托斯葉片泵PFE型定量泵芯式葉片泵,具有高性能、低噪音、多用途及長(zhǎng)壽命產(chǎn)品性能:3種基本形式泵芯*互換13種排量從16至150毫升/轉(zhuǎn)壓力從210至300barISO,SAE和DIN標(biāo)準(zhǔn)安裝一)ATOS雙葉片泵的工作原理二)ATOS單作用葉片泵的工作原理定子內(nèi)腔型線是圓,轉(zhuǎn)子軸與定子偏心。逆時(shí)針回轉(zhuǎn)時(shí),工作V右半轉(zhuǎn)增大,左半轉(zhuǎn)V 減小。從兩側(cè)配油盤(pán)的吸、排口吸排油。
兩相鄰葉片轉(zhuǎn)到吸、排油口間的密封區(qū)時(shí),所接觸定子曲線不是與轉(zhuǎn)子同心的圓弧。密封區(qū)的圓心角略大于相鄰葉片所占圓心角。
葉間工作V 先略有增大,然后略有縮小,會(huì)產(chǎn)生困油現(xiàn)象,但不太嚴(yán)重。通過(guò)在排出口邊緣開(kāi)三角形卸荷槽的方法即可解決。
定子、轉(zhuǎn)子和軸承受徑向力作用,屬非卸荷式葉片泵。工作P不宜太高,Q的均勻性也比雙作用差。
移動(dòng)定子可改變偏心的方向及大小,可做成n恒定而Q可變的雙向或單向的無(wú)級(jí)變量泵。其中用得較多的是限壓式變量葉片泵。
1.定子(內(nèi)腔型線):
1)兩段長(zhǎng)半徑圓弧2)兩段短半徑圓弧3)四段過(guò)渡曲線2.轉(zhuǎn)子:
有若干葉槽,內(nèi)有葉片。旋轉(zhuǎn)時(shí),葉片受離心力及液壓力作用下,外頂定子內(nèi)壁,并在槽內(nèi)往復(fù)滑動(dòng)。
3.配油盤(pán):
在定子和轉(zhuǎn)子兩側(cè),盤(pán)上有兩對(duì)吸、排口,在定子、轉(zhuǎn)子、葉片和配油盤(pán)之間形成若干個(gè)工作空間。
葉片由短轉(zhuǎn)向長(zhǎng)半徑時(shí),葉片間V增大,P降低,經(jīng)配油盤(pán)吸油。葉片由長(zhǎng)向短半徑時(shí),葉片間V減小,經(jīng)配油盤(pán)的排出口排油。當(dāng)葉片位于密封區(qū)時(shí),正好將吸、排口隔開(kāi),葉片間V不變,沒(méi)有困油問(wèn)題。轉(zhuǎn)子轉(zhuǎn)一周,每工作V都吸、排兩次(雙作用泵)。
((三)內(nèi)反饋限壓式ATOS變量葉片泵3_3_213.gif (12.47 KB) 13:38作用力Fx配油盤(pán)中線相對(duì)于定子中線順轉(zhuǎn)向偏轉(zhuǎn)了θ角。排油p對(duì)定子的作用力F便在定子中線方向產(chǎn)生分力Fx。
當(dāng)Fx小于補(bǔ)償器彈簧預(yù)緊力時(shí):
1)定子與轉(zhuǎn)子的偏心距保持zui大值2)泵的Q隨排出p增加而稍有降低,如特性曲線中AB段所示當(dāng)排壓大于PB時(shí), Fx增大使定子向減小e的向移動(dòng),泵的Q即隨排壓增加而迅速降低。當(dāng)升到Pc時(shí),e減小,Qt=漏泄量,則Q=0,有Pmax。
調(diào)節(jié)螺釘6和3,增大彈簧預(yù)緊力,PB, Pc 增大,特性曲線BC段右移。彈簧剛度越小,則BC段越陡, Pc 與PB, 越接近。螺釘3可變泵的zui大e,而改變Qmax,AB段就上下平移。內(nèi)反饋限壓式變量泵只能單向變量。
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PFE-41070/1DV 20葉片泵 PFE-41070/1DV 20PFE-41070/2DT 20液壓葉片泵 PFE-41070/2DT 20葉片泵 PFE-41070/2DT 20PFE-41070/2DV 20液壓葉片泵 PFE-41070/2DV 20葉片泵 PFE-41070/2DV 20PFE-41085/1DT 20液壓葉片泵 PFE-41085/1DT 20葉片泵 PFE-41085/1DT 20PFE-41085/1DW 20液壓葉片泵 PFE-41085/1DW 20葉片泵 PFE-41085/1DW 20PFE-42045/3DW 20液壓葉片泵 PFE-42045/3DW 20葉片泵 PFE-42045/3DW 20PFE-42056/3DU 20液壓葉片泵 PFE-42056/3DU 20葉片泵 PFE-42056/3DU 20PFE-42070/3DT 20 ATOS液壓葉片泵 PFE-42070/3DT 20葉片泵 PFE-42070/3DT 20PFE-42070/3DU ATOS液壓葉片泵 PFE-42070/3DU葉片泵 PFE-42070/3DUPFE-42070/3DW 20液壓葉片泵 PFE-42070/3DW 20葉片泵 PFE-42070/3DW 20PFE-42070/7DV ATOS液壓葉片泵 PFE-42070/7DV葉片泵 PFE-42070/7DVPFE-51090/1DT 23液壓葉片泵 PFE-51090/1DT 23葉片泵 PFE-51090/1DT 23PFE-51090/1DU液壓葉片泵 PFE-51090/1DU葉片泵 PFE-51090/1DUPFE-51110/1DT 23液壓葉片泵 PFE-51110/1DT 23葉片泵 PFE-51110/1DT 23PFE-51110/1DU 23液壓葉片泵 PFE-51110/1DU 23葉片泵 PFE-51110/1DU 23PFE-51110/3DT 23液壓葉片泵 PFE-51110/3DT 23葉片泵 PFE-51110/3DT 23PFE-51129/1DT液壓葉片泵 PFE-51129/1DT ATOS葉片泵 PFE-51129/1DTPFE-51150/1DT液壓葉片泵 PFE-51150/1DT葉片泵 PFE-51150/1DTPFE-51150/3DV液壓葉片泵 PFE-51150/3DVATOS葉片泵 PFE-51150/3DVPFE-52090/3DT 31液壓葉片泵 PFE-52090/3DT 31葉片泵 PFE-52090/3DT 31PFE-52110/3DT 31液壓葉片泵 PFE-52110/3DT 31葉片泵 PFE-52110/3DT 31PFED-43029/016/1DWO 20液壓葉片泵 PFED-43029/016/1DWO 20葉片泵 PFED-43029/016/1DWO 20PFED-43029/016/1SWO液壓葉片泵 PFED-43029/016/1SWO葉片泵 PFED-43029/016/1SWOPFED-43029/028/1DVO 20 ATOS液壓葉片泵 PFED-43029/028/1DVO 20葉片泵 PFED-43029/028/1DVO 20PFED-43037/016/1DTA液壓葉片泵 PFED-43037/016/1DTA葉片泵 PFED-43037/016/1DTAPFED-43037/016/3SUO 20 ATOS液壓葉片泵 PFED-43037/016/3SUO 20葉片泵 PFED-43037/016/3SUO 20PFED-43037/022/1DVO 20液壓葉片泵 PFED-43037/022/1DVO 20葉片泵 PFED-43037/022/1DVO 20PFED-43045/028/1DTO 20 ATOS液壓葉片泵PFED-43045/028/1DTO 20葉片泵 PFED-43045/028/1DTO 20PFED-43045/044/1DTO液壓葉片泵 PFED-43045/044/1DTO葉片泵 PFED-43045/044/1DTOPFED-43045/044/1DVO 20液壓葉片泵 PFED-43045/044/1DVO 20葉片泵 PFED-43045/044/1DVO 20PFED-43056/016/1DTO液壓葉片泵 PFED-43056/016/1DTO葉片泵 PFED-43056/016/1DTOPFED-43070/016/1DUO液壓葉片泵 PFED-43070/016/1DUO葉片泵 PFED-43070/016/1DUOPFED-43070/044/1DUO 20液壓葉片泵 PFED-43070/044/1DUO 20葉片泵 PFED-43070/044/1DUO 20PFED-43070/044/1DVO ATOS液壓葉片泵 PFED-43070/044/1DVO葉片泵 PFED-43070/044/1DVOPFED-54090/070/1DUO 21液壓葉片泵 PFED-54090/070/1DUO 21葉片泵 PFED-54090/070/1DUO 21PFED-54090/070/1DVO 21液壓葉片泵 PFED-54090/070/1DVO 21葉片泵 PFED-54090/070/1DVO 21PFED-54090/070/3DUF 21液壓葉片泵 PFED-54090/070/3DUF 21葉片泵 PFED-54090/070/3DUF 21PFED-54110/029/1DTO 21液壓葉片泵 PFED-54110/029/1DTO 21葉片泵 PFED-54110/029/1DTO 21PFED-54110/029/1DUO液壓葉片泵 PFED-54110/029/1DUO葉片泵 PFED-54110/029/1DUOPFED-54110/056/1DUO 21液壓葉片泵 PFED-54110/056/1DUO 21葉片泵 PFED-54110/056/1DUO 21PFED-54110/056/3DWB 21液壓葉片泵 PFED-54110/056/3DWB 21葉片泵 PFED-54110/056/3DWB 21PFED-54129/029/1DWG 21液壓葉片泵 PFED-54129/029/1DWG 21葉片泵 PFED-54129/029/1DWG 21PFED-54150/070/3DVO液壓葉片泵 PFED-54150/070/3DVO葉片泵 PFED-54150/070/3DVOPFED-54150/085/1SVO 21ATOS液壓葉片泵 PFED-54150/085/1SVO 21葉片泵 PFED-54150/085/1SVO 21PFED-54150/085/3DWO 21液壓葉片泵 PFED-54150/085/3DWO 21葉片泵 PFED-54150/085/3DWO 21PFEX2-31036/31022/1DT液壓葉片泵 PFEX2-31036/31022/1DT葉片泵 PFEX2-31036/31022/1DTPFEX2-42045/31022/3DT 21液壓葉片泵 PFEX2-42045/31022/3DT 21葉片泵 PFEX2-42045/31022/3DT 21PFEX2-51150/51129/3DV 23液壓葉片泵 PFEX2-51150/51129/3DV 23葉片泵 PFEX2-51150/51129/3DV 23PFEX2-51150/51150/3DV 23液壓葉片泵 PFEX2-51150/51150/3DV 23葉片泵 PFEX2-51150/51150/3DV 23PFEX2-51150/51150/3DW 23液壓葉片泵 PFEX2-51150/51150/3DW 23葉片泵 PFEX2-51150/51150/3DW 23PFEXC-51150/3DV液壓葉片泵 PFEXC-51150/3DV葉片泵 PFEXC-51150/3DVPFEXD-42085/43056/016/3DTAATOS液壓葉片泵 PFEXD-42085/43056/016/3DTA葉片泵 PFEXD-42085/43056/016/3DTA
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