德國力士樂Rexroth柱塞泵產(chǎn)品特點和優(yōu)點 力士樂柱塞泵根據(jù)傾斜元件的不同,有斜盤式和斜軸式兩種。斜盤式是斜盤相對回轉(zhuǎn)的缸體有一傾斜角度,而引起柱塞在泵缸中往復(fù)運動。傳動軸軸線和缸體軸線是一致的。這種結(jié)構(gòu)較簡單,轉(zhuǎn)速較高,但工作條件要求高,柱塞端部與斜盤的接觸部往往是薄弱環(huán)節(jié)。斜軸式的斜盤軸線與傳動軸軸線是一致的。它是由于柱塞缸體相對傳動軸傾斜一角度而使柱塞作往復(fù)運動。流量調(diào)節(jié)依靠擺動柱塞缸體的角度來實現(xiàn),故有的又稱擺缸式。它與斜盤式相比,工作可靠,流量大,但結(jié)構(gòu)復(fù)雜。 軸向柱塞泵與徑向柱塞泵比較,排出壓力高,它一般可在20~50MPa范圍內(nèi)工作,效率也高,徑向尺寸小、結(jié)構(gòu)緊湊、體積小、重量輕。但結(jié)構(gòu)較徑向柱塞泵復(fù)雜,加工制造要求高,價格較貴。 力士樂柱塞泵特點: -用于液壓開式回路的斜盤結(jié)構(gòu)軸向柱塞變量泵 -流量正比于驅(qū)動轉(zhuǎn)速和排量,關(guān)能通過調(diào)節(jié)斜盤傾角實現(xiàn)無級變量 -ISO標(biāo)準(zhǔn)的安裝法蘭 -法蘭轉(zhuǎn)接符合SAE米制 -有兩個殼體泄油孔 -優(yōu)良的吸入性能 -允許連續(xù)運行壓力可達280Bar -低噪聲 -驅(qū)動軸能承受軸向及徑向負(fù)載 -高的功率/重量比 -廣范圍的多種控制形式 -控制響應(yīng)時間短 -采用通軸結(jié)構(gòu),可用于多回路系統(tǒng) Rexroth柱塞泵的優(yōu)點 1. 參數(shù)高:額定壓力高,轉(zhuǎn)速高,力士樂油泵的驅(qū)動功率大 2. 效率高,容積效率為95%左右,總效率為90%左右 3. 壽命長 4. 變量方便,形式多 5. 單位功率的重量輕 6. 力士樂柱塞泵主要零件均受壓應(yīng)力,材料強度性能可得以充分利用 力士樂REXROTH柱塞泵部分型號如下: A10VSO18DR/31R-PPA12N00 A10VSO18DFR1/31R-PPA12N00 A10VSO28DR/31R-PPA12N00 R902419542 A10VSO28DFR1/31R-PPA12N00 A10VSO28DFR/31R-PPA12N00 A10VSO45DFR1/31R-PPA12N00 A10VSO45DR/31R-PPA12N00 R910907403 A10VSO45DFR/31R-PPA12N00 A10VSO71DFR1/31R-PPA12N00 A10VS071DFR/31R-PPA12N00 A10VS071DR/31R-PPA12N00 R910945133 A10VS0100DR/31R-PPA12N00 R910912007 A10VS0100DFR1/31R-PPA12N00 A10VS0100DFR/31R-PPA12N00 A10VSO140DFR1/31R-PPB12N00 A10VSO140DR/31R-PPB12N00 R910922983 A4VSO40DR/30R-PPB13N00 A4VSO71DR/30R-PPB13N00 A10VS0140DR/31R-PPB12N00 A4VSO180DR/30R-PPB13N00 R910999125 A10VSO71DRS/32R-VPB22U99 A10VSO18DFR1/31R-PPB12N00 A10VSO18DFR1/32R-VPB12N00 A10VG18HD1/10L-NSC16N003E A10VSO18DFR1/31R-PPA12N00 A10VSO28DR/31R-PSC12N00 A10VSO28DR/32R-VPB121N00 A10VSO28DFR/31R-PSA12N00 A10VSO28DFR1/32R-VPB12N00 A10VSO28DRF1/31R-PSA12N00 E-A10VSO28DFR1/31R-PPA12N00 A10VSO28DR/31R-PSC12N00 A10V028DR/31R-PSC62K01 A10V028DFR1/31R-PSC62N00 A10VS028DR/31L/PPA12G20 A10V028DFR/31L-PSC12K01 A10VSO45DFR1/32R-VPB12N00 A10VSO45DR/31R-PPA12K25 A10VSO45DFR1/31R-PPA12N00 A10VSO58DFR1/31R-PPA12N00 A10VS045DFR1/31RPPA12NOO E-A10VSO45DFR1/31R-PPA12N00 A10VS045DFR/31R-PPA12NOO-SO32 A10VS045DR/31R-PPA12N00 A10VS045DR/52R-PC12N00 A10V045DFR1/31R-PSC62K02 德國力士樂Rexroth柱塞泵產(chǎn)品特點和優(yōu)點 |