德國(guó)力士樂(lè)A4VG系列高壓柱塞泵技術(shù)參數(shù)和特點(diǎn)

Rexroth-排量從28到250
-常用壓力400bar（40Mpa）
-尖峰壓力450bar（45Mpa）
力士樂(lè)A4VG特點(diǎn)：
斜盤(pán)式軸向柱塞變量泵，用于閉式回路靜液壓傳動(dòng)
◆流量與驅(qū)動(dòng)轉(zhuǎn)速及排量成正比并可無(wú)級(jí)變量；
◆流量隨斜盤(pán)擺角從零增加到其zui大值；
◆使斜盤(pán)擺過(guò)中位可以平穩(wěn)改變液流流動(dòng)方向；
◆易與各種控制和調(diào)節(jié)系統(tǒng)匹配的多種變量方式；
◆泵在高壓油側(cè)配備兩個(gè)溢流閥來(lái)保護(hù)靜液壓傳動(dòng)（泵和馬達(dá)）免于超載；
◆高壓溢流閥同時(shí)也具有補(bǔ)油閥的功能；
◆內(nèi)置輔助泵用作補(bǔ)油泵和控制泵；
◆zui高補(bǔ)油壓力由一個(gè)內(nèi)置補(bǔ)油溢流閥來(lái)限制；
◆全系列帶有內(nèi)置壓力切斷閥；
典型應(yīng)用：
混凝土泵車(chē)、重型液壓平板車(chē)、液壓泵站
技術(shù)參數(shù)：
數(shù)值表（理論值，未考慮ηmh和ηv；數(shù)值經(jīng)過(guò)圓整）
1）極限zui高轉(zhuǎn)速：- 功耗為角功率的一半（例如當(dāng)Vg man和PN/2時(shí)
2）高歇zui高轉(zhuǎn)速：- 在高速空載運(yùn)行時(shí)
- 在發(fā)動(dòng)機(jī)超速期間：△p＝70...150 bar 和 Vg max
- 在反向尖峰負(fù)載時(shí)：△p＜300 bar和 t ＜ 5 秒。
博世力士樂(lè)A4VG/VTG系列:
BOSCH REXROTH A4VG28, A4VG40, A4VG45, A4VG56, A4VG71, A4VG90, A4VG125, A4VG180, A4VG250, A4VG355, A4VG500 & A4VTG28, A4VTG40, A4VTG45, A4VG56, A4VTG71, A4VTG90, A4VTG125, A4VTG180, A4VTG250, A4VTG355, A4VTG500
力士樂(lè)A4VG常用型號(hào)：
A4VG125EP2D1/32R-NZF02F001DH                                     
A4VG125EP2DM1/32L-NZF02F001S
A4VG125EP2DT1/32R-NZF02F001S 
A4VG125HD1D1/32R-NZF02F001D
A4VG125HD1D2/32R-NSF02F071S       
A4VG125HD1DM1/32L-NSF02F001S
A4VG125HD1MT1/32R-NSF02F021S    
A4VG125HDMT1/32R-NSF02F691S
A4VG125HWD1/32L-NZX02F001S                                     
A4VG125HWD1/32R-NZF02F071D-S
A4VG125HWD1/32R-NZF02F071D   
A4VG125MSD1/32R-NSF02F021D
A4VG125EP4D1/32L-NAF02F691DP +A11VO95LRDS/10L-NSD12N00
A4VG125EP4D1/32R-NAF02F691DP +A11VO95LRDS/10R-NSD12N00
A4VG180EP4D1/32R-NTD02F691DP +A11VO130LRDS/10R-NSD12K01-S
A4VG180EP2DM1/32L-NZD02F001D
A4VG180DA2D2/32L-NSD02F001DT
A4VG180HD3DT1/32R-NZD02F01XS-SK
A4VG180EP4DT1/32L-NZD02F001PP
A4VG180DA2D2/32L-NZD02F001SH
A4VG180DA2D2/32R-NZD02F041SH
A4VG180HD9MTE/32R-NSD02F00
A4VG28EZ1DM1/32L-NZC10N005E
A4VG28HWD1/32R-NZC10N005E
A4VG40EZ1DM1/32L-NSC02F003S
A4VG56DA1D7/32R-NZC02F005SH                
A4VG56DA1D7/32R-NZC02F005SH-ES
A4VG56DA1D7/32R-NZC02F005SH-ES
A4VG56DA2D2/32R-NZC02F013SH-S
A4VG56EP2D1/32R-NSC02F005SH-E
A4VG56HWD1/32R-NSC02F025S
4VG56HWDT1/32R-NSC02K023E-S
A4VG71DA1DT4/32R-NZF02F001DH 
A4VG71DA1DT4/32R-NZF02F001DH                 
A4VG71DA2D2/32L-NTF02F021SH
A4VG71DA2D2/32L-NTF02F021SH
A4VG71DGDT1/32L-NTF02F021S
A4VG71DGDT1/32L-NTF02F021S-S
A4VTG71HWCSD32L-NLD10F001S-S
A4VG71EP2D1/32R-NZF02F011SH-E
A4VG71EP2DT1/32R-NSF02F041DH-E 
A4VG71HD1D1/32R-NZF02F001F-E
A4VG71HWD1/32R-NZF02F001S
A4VG71HWDT1/32R-NZF02KXX1E-S   
A4VG71HWDT1/32R-NZF02KXX1E-S
A4VG90EP2D1/32R-NSF02F041KH-E
A4VG90EP2DM1/32L-NSF02F001FH
A4VG90EP2DT1/32R-NZF02F071DH-E
A4VG90EP2MT1/32L-NSD10F011ST-S
A4VG90HD1DT1/32L-NZF02F001D-E
A4VG250EP2D1/32R-NZD10F721S+A4VG250EP2D1/3VR-NSD10F071S
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德國(guó)力士樂(lè)A4VG系列高壓柱塞泵技術(shù)參數(shù)和特點(diǎn)