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主营:REXROTH电磁阀,ATOS比例阀,PARKER柱塞泵,DUPLOMATIC齿轮泵,VICKERS叶片泵,BENTLY传感器,AIRTEC机械阀,AVENTICS气动阀

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力士乐柱塞泵A4VSO750DR/22R-PPB13N00

发布日期:2024-09-27 08:33:41 来源:13524125780手机微信 作者:上海韦米

力士乐柱塞泵A4VSO750DR/22R-PPB13N00 德国博世力士乐REXROTH柱塞泵 液压油泵

库存现货力士乐液压元件: 柱塞泵A10VSO、电磁阀4WE、电磁阀3WE、溢流阀DBW、DBDS、DB、3DR、节流阀Z2S、Z2F、叶片泵PV7、PVV、齿轮泵PH2,PH4,PGF、HM20/HM17压力传感器、压力继电器HED、博世放大器、放大板 、阀0811、0820 、齿轮泵0510、减压阀DR、ZDR、4WREE,马达伺服驱动 电机等系列产品

力士乐柱塞泵A4VSO750DR/22R-PPB13N00

采用双柱塞结构,压力脉动小,宝石球寿命长;

采用进口宝石柱塞和宝石球,确保流量较好

通过 RS232 接口与电脑通讯,可直接由电脑进行控制 ;

接触介质材料耐腐蚀;

内建过压保护和流量校正系统 ;

柱塞泵的泵油机构包括两套准确偶件:柱塞(plunger) 柱塞套(barrel)构成柱塞偶件(plunger and barrel assembly)(图5-11)、出油阀(delivery valve)和出油阀座(delivery valve seat)构成出油阀偶件(delivery valve assembly

柱塞和柱塞套是一对准确偶件,经配对研磨后不能互换,要求有高的精度和光洁度和好的耐磨性,其径向间隙为0.002~0.003mm

柱塞头部圆柱面上切有斜槽,并通过径向孔、轴向孔与顶部相通,其目的是改变循环供油量;柱塞套上制有进、回油孔,均与泵上体内低压油腔相通,柱塞套装入泵上体后,应用定位螺钉定位。

维修和保养

量阀反回油箱。当某一回路工作后,负载就要反馈一个LS信号(也就是负载量),这两个量加到一起(LS与弹簧力的和),要是超过油泵高压油的压力, 三通流量阀将向上推,使得通过三通流量阀的流量减少。给负载的流量增加。多余的流量经过三通流量阀流回油箱。通过三通流量阀保持节流口两端的压差恒定。节流阀的压差只决定于弹簧力的大小,不受负载的影响。在相同的压差下,节流口的面积越大,流量就越大。

故障处理

卸荷压力始终在20bar以上,这可能是三通流量阀全部打开所致,应检查三通流量阀的阀芯运动是否灵活,如有必要更换阀芯,包括阻尼;

系统的压力始终达不到预定值,可能是三通流量调节阀的泄漏太大。这时就要更换三通流量调节阀的活塞或连接块 [2]  。

关于变量泵操作及保养注意事项编辑

变量泵价格较贵且油污敏感,在较好次操纵及日常保养中应注意以下事项:

1.泵内注油: 啔动油泵前,从注油口向油泵内注油,直到注满为止。如果在注油前启动油泵,可能因不够润滑而失灵。

2.油泵不能反转 :注意电机接线,反转可能损坏油泵。

3.低速低压试运行 :重复启动及关闭电机,将泵与吸油内空气释放。输入百分之十的压力与流量,开射台前进与后退动作,以便流量与压力阀排气。运行十分钟后,如油路系统无异常声响,即可正常开机。机器如果停止使用一段时间后重新使用,亦需如此开机。

4.液压油选用 :液压油选用20—200Cstnian 黏度的液压油,推荐使用30-50cST黏度的优质液压油。油温低于5度时,应对液压油进行加热。液压油的清洁度应保持在NAS10以下 ,每三个月应清洗回油过滤器滤芯,以保持油路畅通及清洁。

5.油位保持在油标尺中位以上 :油位太低时,液压油是所含空气释放不充分,从而使油泵产生较大噪音和损坏

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A4VSO750DR/22R-PPB13N00峰值压力350bar液压油泵

液压泵的种类:

1、按流量是否可调节可分为:变量泵和定量泵。输出流量可以根据需要来调节的称为变量泵,流量不能调节的称为定量泵。

2、按液压系统中常用的泵结构分为:齿轮泵、叶片泵和柱塞泵3种。

齿轮泵:体积较小,结构较简单,对油的清洁度要求不严,价格较便宜;但泵轴受不平衡力,磨损严重,泄漏较大。

叶片泵:分为双作用叶片泵和单作用叶片泵。这种泵流量均匀、运转平稳、噪音小、作压力和容积效率比齿轮泵高、结构比齿轮泵复杂。

柱塞泵:容积效率高、泄漏小、可在高压下工作、大多用於大功率液压系统;但结构复杂,材料和加工精度要求高、价格贵、对油的清洁度要求高。

力士乐系列产品(柱塞泵 马达)

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A4VS0180LR2/30R-PPB13N00

A4VS0250LFR/30R-PPB13N00

A4VG125HD1P1/32R-N2D10F69

A4VG125HD1P1/32RNSF02F011S-K

A4VG90EP1DT1/32R-NAF02F071D

A4VSH71MA/10LPPB02N00N

A4V7790HW-32L-MCPB

A4V7G90HW-32L-MCPB

A4VS0180-PR-3X/R-PPB13N00

A4V90HD1 0L0C 2020

A4VG125HDDT1/32R-N2F-02F011S

A4VS0250DFR/30R-PPB13N00

A4VG92DA2D6/31L-P2F02F301S

A4VSO40DFR/30R-PPB12N00

A4VSO250DFR/30R-PPB13N00

A4VSO125DR/10R-PPB13N00

A4UG250HWD1/32R-N2D10F69

A4VSH71MA/10LPPB02N000N

A4VS0180-DR-3X/R-PPB13N00

A4VS0125DR/22R-PPB12N00

力士乐液压阀  力士乐液压阀  力士乐液压泵 力士乐液压有限公司  力士乐液压缸     德国力士乐液压泵  力士乐液压样本下载  力士乐液压样本  力士乐液压马达   力士乐液压件   博世力士乐液压  北京博世力士乐  常州博世力士乐   博世力士乐薪水  博世力士乐面试   博世力士乐中国   博世力士乐招聘     常州博世力士乐招聘     德国博世力士乐  博世力士乐公司 博世力士乐北京公司   博世力士乐   力士乐公司  力士乐样本  博士力士乐  力士乐液压 力士乐电磁阀   力士乐中国     德国力士乐公司   北京博世力士乐  

A4VS0 125DR/10R PPB 13N00

A4VS0 71DR/10R PPB 13N00

A4VS0 40 DR/10R PPB 13N00

A4VG56EP2DT1/32R-NAF02F011S

A4VSO250DR/22R-VPB13NOO

A4VS0100DR/22R-PPB13N00

A4VG125HDDT1/32R-N2F02F011S

A4VS0180DR/22R-PPB13N00

A4VS0125DFR/10R-PPB13N00

A4VS0355DR/30R-PPB13N00

A4VSG125DR/22R-PPB13N00

A4VS0250DR/22R-PPB13N00

A4VTG90HW/32R-NLD10F001S

A4VTG71HW/32R-NLD10F001S

A4VS0125DR/22R-PPB13N00

A4VSO180DR/30R-FPB13N00

A4VS040MA/10R-PPB13NOO

A4VS071DR/10R-PPB13N00

A4VSO250DR/30R-PPB13N00

A4VG920DA2D6/31L-P2F02F301S

A4VG90DA2D6/31L-P2F02F301S

A4VG90HWD1/32R-NZF001S

A4VG71HWD1/32R-NZF001S

A4VSO180DRG/30R PPB13N00

A4VSO71DR/10R-PPB13N00

A4VSO125DR/10RPPB13N00

A4VSO40DR/10RPPB13N00

A4VSO180 PR-3X/R-PPB13N00

A4VG90EP2DT1/32R-NAP02F00

A4VSO180 PR-3X/R-PPB13N0011

A4VS0180DRG/30R-PPB13N00

A4VG71HWEL1/32R-NAF02F1D

A4VG40ET2D1 32L-NUC02F005

A4VG125HD1P1/32R-N2F02F011S

A11V0190LBHE/11R-NEB12K01

A10V071DFR/31L-PSC62N00

A7V0500LV5.1RPFH0

A7V0107LRH1/61R-N2B01

A7V0160EP/63R-NZB01

A7V0160EP/63R-NPP01

A7V500LV5.1RPFHO

A7V160LVE RPFOO

A7VO160LVE RPFOO

A7VO500LV5.1RPFHO

A7VO250EP2D/63R-PPB02-S01

A7V0160EP/63R-PPB010

A7V160EP2D/63R-PPB02

A7V250EP2D/63R-NPB01

A2FO0160/61R-PPB050

A2FO16/61R-PPB05

A2F056/61R-PPB05

A2F023/61R-PP05

A2F032/61R-PAB05

A2F032/61L-PABOS

A2FM63/61W-VAB027

A2FO56/61R-PPB05

A2FO12/61R-PP06

A2FO23/61R-PP05

A2F063/61R-PZB05

A2F032/61L-PABO5

A2FSO40/10R-PPB13N00

A10VS028DFR1/31R-PPA12N00

A10VS071DFR1/31R-PPA12N00

供应力士乐马达A2F系列产品

A6VM160E22/63W-VAB020HB

A2FM160/61W-VAB

A2FM80/61W-VAB

A6VM140HA1/63W-V2B020A

AA2FM32/61W-NSD540

AA2FM32/61W-VSD526

A2FM80/61W-PAB

A2FM56/61W-VAB

A2FO32/61L-PAB05

A2FM45/61WVPB

A2FM32/61W-PAB01

A2FM32DR/61W-NSD540

泵工作前,先将泵内充满液体,然后启动离心泵,叶轮快速转动,叶轮的叶片驱使液体转动,液体转动时依靠惯性向叶轮外缘流去,同时叶轮从吸入室吸进液体,在这一过程中,叶轮中的液体绕流叶片,在绕流运动中液体作用一升力于叶片,反过来叶片以一个与此升力大小相等、方向相反的力作用于液体,这个力对液体做功,使液体得到能量而流出叶轮,这时液体的动能与压能均加大

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