上海韦米机电设备有限公司供应REXROTHRexroth单向阀、Rexroth压力继电器、Rexroth方向阀、Rexroth溢流阀、
Rexroth电磁阀、Rexroth节流阀、液压阀、比例阀、比例液压阀、Rexroth 液压产品 Rexroth 静态配置液压阀、比例液压阀、液压阀、REXROTH液压阀REXROTH0811系列、REXROTH比例阀,比例流量阀 液压阀、叠加式节流阀 两路节流单向阀、REXROTH压力指示单元、REXROTH柱塞泵,液压泵,外啮合齿轮泵-液压泵等供应,型号有4WE 、4WM 、DBD 、DR 、ZDB 、Z2FS 系列阀,A4V、A10VS0、A2FO系列柱塞泵,A2FE、A2FM液压马达,HED系列压力继电器。
液压泵使用不当的十种表现:
01连轴器安装错误
由于连轴器与轴配合间隙太小或无间隙,在用力敲击时,轴承会受伤,导致轴承早期损坏而影响整个泵芯的寿命。再有,连轴器在安装时如果没有一定的轴向间隙,用螺丝直接硬性将泵安装到泵套上,会使轴承轴向受力,如果长期承受轴向受力,轴承会很快损坏并产生偏心而秧及了泵芯,表面上看象是泵芯出了故障,其实始作俑者是轴承。
02同轴度**差
如果安装时同轴度**过规定值,会使轴承及整个泵芯偏心而早期损坏,轴也会被切断(轴切断在轴头粗的地方),同轴度一般控制在≦0.1毫米左右为好。
03油液太脏
由于油箱不是密封状态,周围粉尘及杂物混入油液中致使油液的清洁度**过标准,如果过滤器精度不够或无过滤器,泵芯会很快划伤并损坏。
04油液变质
由于使用了过期的液压油或再生油,使泵芯零件表面呈黑色状或粘胶状,油中的杂物、毒物及腐蚀性可使油泵早期损坏,再生的过期油因缺乏润滑及抗磨性也会使泵芯寿命的缩短,甚至将叶片及泵芯粘死不能运动。
液压泵常见的一个故障是定子内曲面磨损成撮衣板状的棱子,该现象主要是吸油不畅所致。
原因为:当油泵吸油不足时,压力会时高时低,而叶片**部对定子内曲面的有效接触会随着压力的变化而间歇式脱离与接触,频繁的硬冲击使定子的吸油区便出现了象撮衣板状的棱子了。
带压作业液压泵机械效率高:典型值为0.94,减小了能量损耗; 转速范围宽 - 转速范围为600~2800 rpm(车用型泵为400~2800 rpm),结合在小规格壳体中安装大排量的泵芯组件的方式,可优化工作状态,降低噪声
带压作业液压泵转速低:(600 rpm,车用型泵为400 rpm)、低压力及高粘度(860 cSt,车用型泵为2000 cSt)运行能力 - 使T6 液压泵能适应低温工况,功耗小且无卡滞危险; 压力脉动小 - 约±2 bar,由此可减小液压管道的噪声,并延长液压回路中其它元件的使用寿命
液压泵,液压泵的种类,液压泵的结构形式
利用装有叶片的叶轮高速旋转,将机械能转换为液体的动能与压能而工作的泵,称为液压泵。根据被抽送液体流出叶轮的方向,可分为离心式、轴流式和混流式三种类型。
由于液压泵效率较高、起动方便、性能可靠,而且、扬程适用范围较大,因此,在工程实际中得到了广泛应用。
上海韦米机电设备有限公司上海韦米机电设备有限公司经营涵盖产品有:
1、气动元件: 气缸和驱动装置、气缸(微型、短行程、型材、锁紧、无杆、标准、波纹管、 导向、旋转型),阀门系统(阀岛、现场总线连接、电磁阀、换向阀、气动阀、 机械阀、电磁阀组、压力调节阀、气动比例阀、止回阀、节流阀、单向阀、 阀、溢流阀),气源处理单元(喷雾润滑器(油雾器)、过滤器、调压阀、过滤器 调压阀、分气块、换向阀、压力表)、传感器(接近传感器、磁接近开关、位移 传感器、压力传感器、压力开关);气动连接件(快接插头、空气软管、气动接 头、电磁阀插头);
2、工业液压元件: 液压泵(轴向柱塞泵、径向柱塞泵、外啮合齿轮泵、内啮合齿轮泵、叶 片泵),马达(轴向柱塞马达、外啮合齿轮马达),开/关阀(单向阀、电磁阀、 换向阀、溢流阀、减压阀、流量控制阀、二通插装阀),高频响比例伺服阀 (比 例方向阀、比例溢流阀、比例流量阀、高频响应阀、方向伺服阀、比例插装阀、 压力补偿器),电子元件(比例阀放大器、液压泵放大器、控制轴放大器、比例 阀七芯插头、传感器插头、电磁阀插头),传感器和信号发生器(压力传感器、 电子压力开关、压力继电器、摆角传感器、压力表);蓄能器(液压蓄能器、隔 膜式蓄能器、皮囊式蓄能器),过滤器(油路过滤器、过滤器滤芯);
3、工控自动化: 自动化控制:触摸屏、CPU 模块、I/O 模块、接口模块、电源模块、温度测 量模块、计数功能模块、端子排、伺服驱动器、插入式模块、逆变模块、伺服电 机等;监测保护系统:探头、前置器、变送器、延伸电缆、速度传感器、壳体膨
胀传感器、趋近式探头外壳组件、校验仪、框架模块、电源模块、接口模块、 键相位模块、继电器模块、速度监测模块、
R901040968 PVV1-1X/040RA15UVB
R900941684 PVV1-1X/040RJ15DMB
R900770813 PVV1-1X/040RJ15UMB
R978904468 PVV1-1X/040RR15RMB
R978916326 PVV1-1X/046LA15RMB
R900929543 PVV1-1X/046RA15DMB
R901093768 PVV1-1X/046RA15DVB
R978916767 PVV1-1X/046RA15RMB
R901156922 PVV1-1X/046RA15RVB
R900928947 PVV1-1X/046RA15UMB
R900717179 PVV1-1X/046RA15UVB
R900704430 PVV1-1X/046RJ15DMB
R978019465 PVV1-1X/046RJ15DVB
R901419060 PVV1-1X/046RJ15RVB
R900941702 PVV1-1X/046RJ15UMB
R901006749 PVV1-1X/046RJ15UVB
R901362063 PVV2-1X/040LJ15UMB
R900942115 PVV2-1X/040RA15DMB
R987064835 PVV2-1X/040RA15DMB+A10VS018/DFRPUC12N00
R978916708 PVV2-1X/040RA15DVB
R900937328 PVV2-1X/040RA15LMB
R901344146 PVV2-1X/040RA15RMB
R900931138 PVV2-1X/040RA15UMB
R901044270 PVV2-1X/040RA15UVB
R900761008 PVV2-1X/040RB15DMBK01
R987072513 PVV2-1X/040RB15DMBK01+PGH3-2X/016RR07VU2
R900761010 PVV2-1X/040RB15DMBK02
R987129533 PVV2-1X/040RB15DMBK02+ PVV2-1X/040RJ15DMB
R901005784 PVV2-1X/040RB15DMBK57
R978915808 PVV2-1X/040RB15UMBK01
R900704431 PVV2-1X/040RJ15DMB
R901143587 PVV2-1X/040RJ15DMBK02
R987123648 PVV2-1X/040RJ15RMB
R901448925 PVV2-1X/040RJ15UEB
R900946959 PVV2-1X/040RJ15UMB
R901424485 PVV2-1X/040RJ15UMBK02
R978905270 PVV2-1X/040RR15RMB
R978917399 PVV2-1X/040RR15UMBK01
R901280043 PVV2-1X/045LA15DMB
R901028783 PVV2-1X/045LA15UMB
R900936292 PVV2-1X/045RA15DMB
R900971721 PVV2-1X/045RA15DVB
R900739360 PVV2-1X/045RA15LMB
R978009076 PVV2-1X/045RA15LVB
R900739359 PVV2-1X/045RA15RMB
R978033294 PVV2-1X/045RA15RVB
R900929461 PVV2-1X/045RA15UMB
R900947492 PVV2-1X/045RA15UVB
R978903438 PVV2-1X/045RB15DMB
R900761011 PVV2-1X/045RB15DMBK01
R900761012 PVV2-1X/045RB15DMBK02
R987420135 PVV2-1X/045RB15DMBK02+A10VO28DR/31R-&
R901332765 PVV2-1X/045RB15DMBK02-A508
R901005785 PVV2-1X/045RB15DMBK57
R978045699 PVV2-1X/045RB15LMBK01
R901330404 PVV2-1X/045RB15LMBK02
R978029355 PVV2-1X/045RB15UMBK01
R900939076 PVV2-1X/045RJ15DMB
R978002280 PVV2-1X/045RJ15DMBK01
R901392040 PVV2-1X/045RJ15DVB
以下是本公司常用德国博世REXROTHREXROTH公司旗下进口液压泵的部分型号:
R901152021 PVV21-1X/055-018RB15UUMB
R900720409 PVV21-1X/055-027LA15DDMB
R978916167 PVV21-1X/055-027LR15DDMB
R900942940 PVV21-1X/055-027RA15DDMB
R987054443 PVV21-1X/055-027RA15URMB
R900952889 PVV21-1X/055-027RA15UUMB
R901023516 PVV21-1X/055-027RA15UUVB
R901085379 PVV21-1X/055-027RB15DDMB
R901127150 PVV21-1X/055-036RA15DDMB
R901004734 PVV21-1X/055-036RA15UUMB
R901433184 PVV21-1X/055-036RB15DDVB
R901233018 PVV21-1X/055-036RB15RRVB
R900945230 PVV21-1X/055-036RJ15DDMB
R901178544 PVV21-1X/055-040LA15RUMB
R978918255 PVV21-1X/055-046RA15DDMB
R901347445 PVV21-1X/055-046RA15RDMB
R900957021 PVV21-1X/055-046RA15UUMB
R901403735 PVV21-1X/055-046RB15DDMB
R901388030 PVV21-1X/060-007RB15DRMB
R901407867 PVV21-1X/060-018RA15DDMB
R901074552 PVV21-1X/060-018RA15DLMB
R978912986 PVV21-1X/060-018RA15URMB
R901147099 PVV21-1X/060-018RA15UUMB
R901074802 PVV21-1X/060-018RB15DDMB
R978914724 PVV21-1X/060-018RJ15URMB
R978903499 PVV21-1X/060-018RR15RDMB
R900783657 PVV21-1X/060-027RA15DDMB
R901178796 PVV21-1X/060-027RA15DDVB
R901240489 PVV21-1X/060-027RA15DLMB
R987185374 PVV21-1X/060-027RJ15UUMB
R900950523 PVV21-1X/060-036RA15DDMB
R900934058 PVV21-1X/060-040RA15DDMB
R900782771 PVV21-1X/060-040RA15RRMB
R901181997 PVV21-1X/060-040RA15UUMB
R901027983 PVV21-1X/060-040RB15DDVB
R901265465 PVV21-1X/060-040RJ15UUMB
R901116297 PVV21-1X/060-046RA15DDMB
R901112987 PVV21-1X/060-046RA15UUMB
R901162211 PVV21-1X/060-046RJ15UUMB
R901256580 PVV21-1X/068-007RJ15UUMB
R901330271 PVV21-1X/068-018LA15DDMB
R900964245 PVV21-1X/068-018RA15DDMB
R978908623 PVV21-1X/068-018RA15DRMB
R978916009 PVV21-1X/068-018RA15RLMB
R900934352 PVV21-1X/068-018RA15UUMB
R901368310 PVV21-1X/068-018RA15UUVB
R901085381 PVV21-1X/068-018RB15DDMB
R901210133 PVV21-1X/068-018RB15UUMB
R978015392 PVV21-1X/068-018RJ15UUMB
R901042503 PVV21-1X/068-027LA15DDMB
REXROTHREXROTH液压泵
R900721670 PV7-1X/16-20RE01MW0-16WG
R900722117 PV7-1X/16-20RE01MW0-16WH
R900533582 PV7-1X/16-30RE01MC0-08
R900757582 PV7-1X/16-30RE01MC0-08-A184
R901320920 PV7-1X/16-30RE01MC0-08-A474
R987127040 PV7-1X/16-30RE01MC008+PGH2-2X/008RR07VU2
R900533296 PV7-1X/16-30RE01MC3-08
R900930106 PV7-1X/16-30RE01MC5-08
R900967123 PV7-1X/16-30RE01MC5-08WG
R900245924 PV7-1X/16-30RE01MC5-08WH
R901023894 PV7-1X/16-30RE01MC7-08
R900560658 PV7-1X/16-30RE01MD0-08
R901226880 PV7-1X/16-30RE01MN0-08
R901231523 PV7-1X/16-30RE01MW0-08WH
R900580383 PV7-1X/25-30RE01MC0-16
R987064563 PV7-1X/25-30RE01MC0-16LIM.28CC
R987066596 PV7-1X/25-30RE01MC0-16PMAX=60BAR
R987255802 PV7-1X/25-30RE01MC0-16+ PV7-1X/10-14RE**
R987070149 PV7-1X/25-30RE01MC0-16+V7-1X/16-20RE01**
R900523267 PV7-1X/25-30RE01MC0-16-A184
R900965089 PV7-1X/25-30RE01MC0-16-A234
R901381715 PV7-1X/25-30RE01MC0-16-P100Q36
R987066541 PV7-1X/25-30RE01MC016+1PF2G2-4X/08RR20MR
R987306462 PV7-1X/25-30RE01MC016+AZPF10-008RRR20MB
R900586235 PV7-1X/25-30RE01MC3-16
R900517464 PV7-1X/25-30RE01MC5-16
R900919510 PV7-1X/25-30RE01MC5-16WG
R900933323 PV7-1X/25-30RE01MC5-16WH
R901086789 PV7-1X/25-30RE01MC5-16WH-A234
R901375575 PV7-1X/25-30RE01MC6-16
R900941543 PV7-1X/25-30RE01MC7-16
R987410063 PV7-1X/25-30RE01MCO16+PVV21X068RJ15DMB
R900509506 PV7-1X/25-30RE01MD0-16
R987065930 PV7-1X/25-30RE01MD0-16+ PV7/25-30RE01MD0
R900920739 PV7-1X/25-30RE01MD0-16-A234
R901382863 PV7-1X/25-30RE01MD5-16WH
R901022287 PV7-1X/25-30RE01MN0-16
R900768658 PV7-1X/25-30RE01MW0-16
R900744495 PV7-1X/25-30RE01MW0-16WH
R900705426 PV7-1X/25-30RE01MW5-16WH
R900534508 PV7-1X/25-45RE01MC0-08
R901411159 PV7-1X/25-45RE01MC0-08-P25Q50
R987277980 PV7-1X/25-45RE01MC008+AZPF10-005RRR20MB
R987070684 PV7-1X/25-45RE01MC008+HY/ZFS11/4R213
R900538525 PV7-1X/25-45RE01MC3-08
R900535532 PV7-1X/25-45RE01MC5-08
R900576487 PV7-1X/25-45RE01MC5-08WH
R900551273 PV7-1X/25-45RE01MC7-08
R900751356 PV7-1X/25-45RE01MC7-08WG
R900568833 PV7-1X/25-45RE01MD0-08
REXROTHREXROTH液压泵
R901127167 PVV21-1X/068-036RJ15DDMB
R978905663 PVV21-1X/068-036RR15DDMB
R901215220 PVV21-1X/068-040LA15DDMB
R900948951 PVV21-1X/068-040RA15DDMB
R901207154 PVV21-1X/068-046RA15DDMB
R978016604 PVV21-1X/068-046RA15LUMBSO43A-1802
R901031658 PVV21-1X/068-046RA15UUMB
R901055513 PVV21-1X/068-046RJ15DDMB
R901224561 PVV21-1X/068-046RJ15DDMB-A462
R901243981 PVV21-1X/068-046RJ15LLMB
R987241624 PVV21-1X/27-08RA15DRMB
R987241579 PVV21-1X/60-18RA15DDMB
R900942738 PVV4-1X/069LA15DMC
R901094499 PVV4-1X/069LA15DVC
R900936293 PVV4-1X/069RA15DMC
R978908421 PVV4-1X/069RA15DVC
R900954911 PVV4-1X/069RA15LMC
R901308372 PVV4-1X/069RA15RVC
R900935445 PVV4-1X/069RA15UMC
R987384554 PVV4-1X/069RA15UMC
R900761017 PVV4-1X/069RB15DMCK01
R900761018 PVV4-1X/069RB15DMCK02
R900761021 PVV4-1X/069RB15DMCK07
R900948714 PVV4-1X/069RB15RMC
R901041190 PVV4-1X/069RB15RVC
R987014455 PVV4-1X/069RB15UMC
R987149783 PVV4-1X/069RB15UMCK01
R900948297 PVV4-1X/069RJ15DMC
R901341375 PVV4-1X/069RJ15DMCK02
R901368512 PVV4-1X/069RJ15DVC
R987098776 PVV4-1X/069RJ15LMC
R901275313 PVV4-1X/069RJ15RMC
R901039283 PVV4-1X/069RJ15UMC
R978034977 PVV4-1X/069RJ15UVC
R900942737 PVV4-1X/082LA15DMC
R901094472 PVV4-1X/082LA15DVC
R978908556 PVV4-1X/082LA15LMC
R900958918 PVV4-1X/082LA15LVC
R901014437 PVV4-1X/082LA15UMC
R901283231 PVV4-1X/082LJ15DMCK02
R901303893 PVV4-1X/082LJ15DVC
R900758709 PVV4-1X/082LJ15UMC
R901283238 PVV4-1X/082LJ15UMCK02
R900931548 PVV4-1X/082RA15DMC
R900978703 PVV4-1X/082RA15DVC
R900937330 PVV4-1X/082RA15LMC
R900933057 PVV4-1X/082RA15RMC
R901082163 PVV4-1X/082RA15RVC
R900931136 PVV4-1X/082RA15UMC
R900710468 PVV4-1X/082RA15UVC
R978918961 PVV51-1X/183-046RA15URMC
R900949685 PVV51-1X/193-018LA15DDMC
R901023323 PVV51-1X/193-018LA15UUMC
R978916581 PVV51-1X/193-018RA15DDMC
R901294686 PVV51-1X/193-018RA15DLMC
R901061186 PVV51-1X/193-018RA15LDMC
R901020612 PVV51-1X/193-018RA15UUMC
R900957014 PVV51-1X/193-018RB15DDMC
R988004374 PVV51-1X/193-018RB15DDMC
R978042741 PVV51-1X/193-018RB15DDVC
R901190883 PVV51-1X/193-018RB15LLMC
R901198989 PVV51-1X/193-018RJ15UUMC
R901018832 PVV51-1X/193-027RA15DDMC
R901430516 PVV51-1X/193-027RA15UDMC
R901036232 PVV51-1X/193-027RA15UUMC
R901077322 PVV51-1X/193-027RB15UUMC
R900936334 PVV51-1X/193-036RA15LLMC
R900931083 PVV51-1X/193-036RA15RRMC
R901153975 PVV51-1X/193-036RA15UUMC
R901408785 PVV51-1X/193-036RB15DDMC
R978915221 PVV51-1X/193-036RB15DDVC
R978045188 PVV51-1X/193-040LA15DDMC
R901227483 PVV51-1X/193-040RA15DDMC
R901053014 PVV51-1X/193-046LA15DLMC
R901057121 PVV51-1X/193-046RA15DDMC
R901053049 PVV51-1X/193-046RA15DLMC
R901330896 PVV51-1X/193-046RA15UDMC
R987241779 PVV51-1X/193-046RA15UDMC
R900941700 PVV51-1X/193-046RA15UUMC
R900736527 PVV51-1X/193-046RB15DDMC
R901244213 PVV51-1X/193-046RB15UDMC
R901273101 PVV52-1X/139-040RA15DDMC
R901292644 PVV52-1X/139-040RA15DDVC
R901220388 PVV52-1X/139-040RJ15UUMC
R901269544 PVV52-1X/139-045LA15UUMC
R901042161 PVV52-1X/139-045RA15DDMC
R900945232 PVV52-1X/139-045RJ15DDMC
R978916849 PVV52-1X/139-046RJ15UUMC
R901330960 PVV52-1X/139-055RA15DDMC
R901439712 PVV52-1X/139-055RA15RUMC
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