A10VSO71DFR1/31R-PPA12N00 力士乐柱塞泵是上海韦米机电设备有限公司主要经销产品之一,保证产品【原装正品】,价格优惠,货期短,发货快;常规产品现货供应,放心购买。我公司专业经营国外进口液压气动备件、自动化仪表;主营产品:液压配件、气动元件、柱塞泵、齿轮泵、叶片泵、电磁阀、节流阀、比例阀、溢流阀、换向阀、流量阀;伺服驱动器、伺服模块、伺服电机、探头、传感器、电缆、电源模块、编码器、接近开关等。常规型号产品现货供应,热诚欢迎新老客户来电咨询采购! 直轴斜盘式柱塞泵分为压力供油型和自吸油型两种。压力供油型液压泵大都是采用有气压的油箱,靠气压供油的液压油箱,在每次启动机器之后,必须等液压渍箱达到使用气压后,才能操作机械。如液压油箱的气压不足时就启动机器,会对液压泵内的与滑靴造成拉脱现象,出会造成泵体内回程板与压板的非正常磨损。 径向柱塞泵可分为阀配流与轴配流两大类。阀配流径向柱塞泵存在故障率高、效率低等缺点。国际上70、80年代发展的轴配流径向柱塞泵克服了阀配流径向柱塞泵的不足。由于径向泵结构上的特点,固定了轴配流径向柱塞泵比轴向柱塞泵耐冲击、寿命长、控制精度高。变量行程短泵的变量是在变量柱塞和限位柱塞作用下,改变定子的偏心距实现的,而定于的较大偏心距为 5—9mm(根据排量大小不同),变量行程很短。且变量机构设计为高压操纵,由控制阀进行控制。故该泵的响应速度快。径向结构设计克服了如轴向柱塞泵滑靴偏磨的问题。使其抗冲击能力大幅度提高。 液压式 液压柱塞泵靠气压供油的液压油箱,在每次启动机器后,必须等液压油箱达到使用气压后,才能操作机械。直轴斜盘式柱塞泵分为压力供油型的自吸油型两种。压力供油型液压泵大都采用有气压的油箱,也有液压泵本身带有补油分泵向液压泵进油口提供压力油的。自吸油型液压泵的自吸油能力很强,*外力供油。 上海韦米机电设备有限公司位于浦东金桥是全国工业传动流体自动化领域实力较强的经销代理商,有着丰富的气动液压技术服务、工业销售及国际采购的经验,主营产品涉及液压泵阀(电磁阀、柱塞泵拳头产品)、工控产品、驱动模块、伺服电机、可编程控制器PLC、数控传动、传感器系列、电源、气动元件、工业仪器仪表。具体主要经营品牌及产品如下: 博世力士乐rexroth工业液压气动元件大量现货(电磁换向阀、节流阀、单向阀、比例阀、伺服阀、安全溢流阀、流量控制阀、减压阀、调节阀、压力继电器、比例放大板、放大器,轴向柱塞泵、叶片泵、齿轮泵,伺服驱动器、伺服电机,气动元件、气动阀、气缸等),部分系列型号: 电磁阀:4WE6、4WE10、4WE16;电液阀:4WEH10H、4WEH16、4WEH25, 单向阀:S10A、S20A、Z1S、Z2S、SL10、SL20、SV10、SV20、RVP,插装阀:LC、LFA 溢流阀:DB、DBW、DBET、DBD、ZDB、Z2DB,减压阀:DR6DP、DR10DP、ZDR6、ZDR10、DR-4X、DR-5X 节流阀:Z2FS6、Z2FS10、Z2FS16、Z2FS22;调速阀:2FRM5、2FRM10、2FRM16, 平衡阀:FD12FA、FD12PA、FD12KA、FD16FA,继电器:HED80、HED40,电子单元:VT、0811 比例方向阀:4WRA、4WRAE、4WRE、4WREE、4WREEM、4WRH、4WRZ、4WRZE、4WRKE、4WRBKE、4WS2EM 高频响方向阀:4WRPH、4WRPEH、5WRP、5WRPE、4WRREH、4WRP、4WRPE、4WRP(E)H、4WRSE、4WRSEH、4WRPNH、4WRL、4WRLE、4WRVE、4WRGE、4WRL、4WRLE、4WRDE、3WRCBH,伺服系统:HAS、HNL、HCS、HNL 柱塞泵:A4VSO、A10VSO、A2FO,定量马达:A2FM,A4FM,A10FM/E, 齿轮泵:0510、AZPF,叶片泵:PV7 意大利阿托斯ATOS及迪普马DUPLOMATIC、美国Parker派克及EATON VICKERS伊顿 威格士液压、日本YUKEN油研泵阀优势现货系列(电磁阀换向阀、压力开关、柱塞泵、齿轮泵、比例阀、截止阀、开关阀等), 奥地利贝加莱B&R br-automation自动化配品配件货期短现货多(伺服驱动器、触摸屏、工控机、CPU模块、总线控制器、X20\2003\2005\2010系统中各类功能模块等), 美国本特利(Bently Nevada)优势系列(监测模块、前置器、仪表框架、接口模块、延伸电缆、传感器探头、转速表、校验仪等) 西门子Siemens优势主打系列(6SN、6FC、6FX、S7200、电机1FK、S7300、S7400、LOGO 低压电器、软启、熔断器、电源模块、CPU、数控传动) 另销售有德国爱尔泰克Airtec气动元件,APS接近开关,SMC气动元件,倍加福编码器、传感器,欧姆龙低压电器、川崎K3V泵 ,贺德克液压元件、丹佛斯、费斯托全系列产品. 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A10VSO140DFLR1/31R-PPB12KO1 A10VSO45DFR1/31R-PPA12N00 A10VSO100DR/31R-PPA12N00 A10VSO100DR/32R-VPB22(12)U99(N A10VSO18DR/31R-PPA12N00 A10V028DR/31R-PSC12N00 A10VSO71DFR1/31R-PPA12N00 A10VG18HD1/10L-NSC16N003E A10VSO28DR/31R-PPA12N00 A10VSO45DR/31R-PPA12K25 柱塞和柱塞套是一对精密偶件,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**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。 柱塞头部斜槽的位置不同,改变供油量的方法也不同。 出油阀和出油阀座也是一对精密偶件,配对研磨后不能互换,其配合间隙为0.01mm 。 出油阀是一个单向阀,在弹簧压力作用下,阀上部圆锥面与阀座严密配合,其作用是在停供时,将高压油管与柱塞上端空腔隔绝,防止高压油管内的油倒流入喷油泵内。 出油阀的下部呈十字断面,既能导向,又能通过柴油。出油阀的锥面下有一个小的圆柱面,称为减压环带,其作用是在供油终了时,使高压油管内的油压迅速下降,避免喷孔处产生滴油现象。当环带落入阀座内时则使上方容积很快增大,压力迅速减小,停喷迅速。 A10VSO045DR/31R-PPA12N00 A10VSO71DFR1/31R-PPA12KB5 A10VSO28DRF1/31R-PSA12N00 A10VSO100DFR1/31R-PPA12K A10VSO100DFR1/31R-PPA12KB3 A10VSO10DR A10VSO71DFR/31R-PSC62K07 A10VSO45DFR1/31RPPA12N00 A10V071DFRI/34 PSC6402-S0225 A10VSO-140DR/31R-PPB12N00 A10VSO-71FR1/31R-PPA12N00 A10VSO71DFR1/31R-PPB12N00 A10VSO100PFR1/31R-PPA12N00 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A10VSO140DFR1/31R-PPB12N00 A10VSO140DRS/32R-VPB12N00 A10VSO28DR/31R-PPA12N00 A10VSO45DR/31R-PPA12N00 A10VSO71DR/31R-PPA12N00 A10VSO100DR/31R-PPA12N00 A10VSO140DR/31R-PPB12N00 A4VG125HDM1/32R-NSF02F691S-S A4VG250HD1D1/32LNZD10F001S A4VG125HDM1/32R-NSF02F691S-S A4VS0250DRG/30R-PPB13N00 E-A4VS0180DR/30R-PPB13N00 A4VG125HD1DT1/32R-NSF02F001S A4VS0500HSK/30L-PPH13N0010SET A4VS0125DR30R-PPB13N00 A4VG90HWD2/32R-PZF02F001S A4VG125HDDT1/32L-PZF02F001D A4VG71EPDT1/32R-NAF02F011S A4VG90EP2DT1/32R-NAF02F011S A4VG125EP2DT1/32R-NAF02F011S A4VG125HD1P1/32R-N2D10F69 A4VG71EZ2DM1/32L-NZF02F021S-SK A4VG125HDMTI/32R-PSF02P691S A4VG71EPDT1/32R-NAF02F011S A4VG90EP2DT1/32R-NAF02F011S A4VG125EP2DT1/32R-NAF02F011S A4VG125HD1DT1/32R-NSF02F001S A4VS0500HSK/30R-PPH13N0010SET A4VG125HD1DT1/32R-NSF02F001S A4VS0500HSK/30L-PPH13N0010SET A4VG125HDM1/32R-NSF02F691S-S A4VS0250DRG/30R-PPB13N00 E-A4VS0180DR/30R-PPB13N00 A4VG125HD1DT1/32R-NSF02F001S A4VS0500HSK/30L-PPH13N0010SET A4VG125HDM1/32R-NSF02F691S-S A4VS0250DRG/30R-PPB13N00 E-A4VS0180DR/30R-PPB13N00 A4VG56EP2DT1/32L-NAC02K01XE-S A4VG125DA202-32L-P7F02F001 A4VSO180DR/-30R-PPB13N00 A4VG125HD1D2-32R-NTF02F691P A4VG125HD1D2-32R-NSF02F021P A4VS0250DRG/30R-PPB13N00 E-A4VS0180DR/30R-PPB13N00 A4VS0250DRG/30R-PPB13N00 E-A4VS0180DR/30R-PPB13N00 A4VG125EP2DT1/32R-NAF02F011S A4VG125HD1D2/32R-NTF02F691P A4VG125HD1D2/32R-NSF02F02F021P A4VG125HDDT1/32R-N2F02F011S A4VG125EP2DT1/32R-NAF02F011S E-A4VSO125DRPPB13N00 A4VG56HD1D2-32R-NSF001S A4VG90HD1D2-32R-NSF001S A4VG125HD1D2-32R-NSF001S A4VG125HDDT1/32R-N2F02F011S A4VSO180DR/30R-PPB12N00S1057 A4VG125HD1D2/32R-NTF02F691P A4VG125HD1D2/32R-NSF02F02F021P E-A4VSO125DRPPB13N00 A4VS0250DR/22R-PPB13N00 A4VS0180DR/22R-PPB13N00 A4VSO40DR10RPPB13100N A4VG125DA2D2/32L-PZE02E001D A4VTG90HW/32R-NLD10F001S A4VG125EP2ST1/32R-NAF02F011S A4VTG90HW/32R-NLD10F001S A4VS071DR/22R-PPB13N00 A4VG71DWDMT2/23L-NZF02F041D A4VG250HD1D1/32LNZD10F001S A4VS0125DR30R-PPB13N00 A4VG125HD1D2/32R-NTF02F691P A4VG125HD1D2/32R-NSF02F02F021P A4VG125HDMT1-32R-NSF02F691S- A4VG125EP2/32+A10V028DR/31 A4VS0125DR/30R-PPB13N00 A4VS0125LR2N/22L-PZB13A00 A4VG125HDMT1/32R-NSFO21S-S A4VTG90HW/32R A4VG125HD1D2/32R-NSF001S A4VSO180DR/3XR-PPB13N00 A4VSO125DR/3DR-PPB13N00 A4VS0125LR2N/22L-PZB13A00 A4VTG90HW/3IR-NLD10F001S A4VG56EZ1DMV32R-PSC02F023E-S A4VG90EP2DT1/32R-NAF02F001F A4VG90EP2DT1/32L-NAFO2F001D E-A4VS0250DR/30RPPB13N00 A4VS0125DR/22R-PPB13N00 A4VS0180DR/30R-PPB13N00 A4VG125HDDT132L-PZF02F001D E-A4VS0125DFR/30R-PPB13N00 A4VS040DR-PPB13N00 A4VS0180DR/22R-PPB13N00 A4VSO40EO/31L-P2BBN00 A4VSO180EO/30L-P2B13N00 A4VS040DR/10X-PPB13N00 AE-A4VS0250E01/30R-PPBN00-S036 A4V125HW10R0C101A-K AHA4VS0250HD1GB/30R-PZB13K35-S AHA4VS0250LR3G/30R-PZB13K35-S0 AHA4VS0250LR3G/30R-PZB13N00-S0 A4VG180HDMT1/32R-NSD02F021SG-S A4VG180EP2DT1/32R-NTD02F021SH 柱塞泵柱塞往复运动总行程L是不变的,由凸轮的升程决定。柱塞每循环的供油量大小取决于供油行程,供油行程不受凸轮轴控制是可变的。供油开始时刻不随供油行程的变化而变化。转动柱塞可改变供油终了时刻,从而改变供油量。柱塞泵工作时,在喷油泵凸轮轴上的凸轮与柱塞弹簧的作用下,迫使柱塞作上、下往复运动,从而完成泵油任务,泵油过程可分为以下两个阶段。 进油过程 当凸轮的凸起部分转过去后,在弹簧力的作用下,柱塞向下运动,柱塞上部空间(称为泵油室)产生真空度,当柱塞上端面把柱塞套上的进油孔打开后,充满在油泵上体油道内的柴油经油孔进入泵油室,柱塞运动到下止点,进油结束 回油过程 柱塞向上供油,当上行到柱塞上的斜槽(停供边)与套筒上的回油孔相通时,泵油室低压油路便与柱塞头部的中孔和径向孔及斜槽沟通,油压骤然下降,出油阀在弹簧力的作用下迅速关闭,停止供油。此后柱塞还要上行,当凸轮的凸起部分转过去后,在弹簧的作用下,柱塞又下行。此时便开始了下一个循环。 柱塞泵以一个柱塞为原理介绍,一个柱塞泵上有两个单向阀,并且方向相反,柱塞向一个方向运动时缸内出现负压,这时一个单向阀打开液体被吸入缸内,柱塞向另一个方向运动时,将液体压缩后另一个单向阀被打开,被吸入缸内的液体被排出。这种工作方式连续运动后就形成了连续供油。