A2F200L5P2现货
6.液压泵过热当凸轮轴转到凸轮的凸起部分顶起滚轮体时,柱塞弹簧被压缩,柱塞向上运动,燃油受压,一部分燃油经油孔流回喷油泵上体油腔。当柱塞顶面遮住套筒上进油孔的上缘时,由于柱塞和套筒的配合间隙很小(0.0015-0.0025mm)使柱塞顶部的泵油室成为一个密封油腔,柱塞继续上升,泵油室内的油压迅速升高,泵油压力>出油阀弹簧力+高压油管剩余压力时,推开出油阀,高压柴油经出油阀进入高压油管,通过喷油器喷入燃烧室。(2)泄漏量过大。原因是泵的间隙过大,密封不良造成。如配油盘被金属碎片、铁屑等划伤,端面漏油;变量机构中的单向阀密封面配合不好,泵体和配油盘的支承面有砂眼或研痕等。可以通过检查泵体内液压油中混杂的异物判别泵被损坏的。 油面过低吸油不足和高压管道中产生液击等,均会产生噪声,因此,必须正确设计油箱,正确选择滤油器,油管和方向阀,柱塞泵漏油主要有以下原因:7.漏油(1)吸入量不足,原因是吸油管路上的阻力过大或补油量不足,如泵的转速过大。
A10VSO140DRS/32R-VPB12N00
R902092346 A11VO190EP2/11L-NZD12K02H-ES
R902059834 A4VG125HD/32+A4VG125HD/32
R902060901 A4VG125HD1D1/32L-NZF02F001S
R902096742 A8VO140LA1KH2/63R1-NZG05F071-K
R902025376 A11VLO190DRS/11R-NTD12K02
R902009839 A8VO107LR3H1/60R1-NZG05K41
博世力士乐变量柱塞泵A4VG/VTG系列:
R902063402 A11VLO260EP2D/11R-NPD12K01H-SK
R902075754 A11VO60EP2S/10R-NZC12K02H
A10VSO45DR/31R-PPA12K26 REXROTH力士乐
R900231257 A7VO107DR/63R-VZB01
R902059828 A4VG125HD1D1/32R-NAF02F011S-K
PVV5-1X/162RA15DMC
A4VSO71DRG/10R-PPB13N00 REXROTH力士乐
R902054638 A6VM55EP2/63W-VAB027FHB
R902007984 A11VO60LRDS/10L-NSC12K07
R902000446 A7VO55DR/63R-NSD51-S
A10VSO140DFR1/31R-PPB12KB7 REXROTH力士乐
R902044967 A11VO75LR/10L-NZD12N00
R902085986 A11VO95HD1D/10L-NZD12K01-K
R902074466 A4VG125HW/32+A4VG71EZ/32-K
R902067901 A6VE55HA2TX/63W-VZL027A-S
936910 A10VSO 45 DFLR /31R-PPA12N00
A2F200L5P2现货
泵体和配油盘的支承面有砂眼或研痕等。可以通过检查泵体内液压油中混杂的异物判别泵被损坏的部位。如泵轴和电机轴不同心或顶死,旋转轴的轴承、联轴节损伤,弹性垫破损和装配螺栓松动均会产生噪声。对于高速运转或传输大能量的泵,要定期检查,记录各部件的振幅、频率和噪声。如泵的转动频率与压力阀的固有频率相同时,将会引起共振,可改变泵的转速以消除共振。(3)倾斜盘倾角太小,泵的排量少,这需要调节变量活塞,增加斜盘倾角。如泵轴和电机轴不同心或顶死,旋转轴的轴承、联轴节损伤,弹性垫破损和装配螺栓松动均会产生噪声。对于高速运转或传输大能量的泵,要定期检查,记录各部件的振幅、频率和噪声。如泵的转动频率与压力阀的固有频率相。
R902068393 A11VO260DRS+A11VO130DRS
A4VG125HW10R0C101A-K A4VG125EP2D1/32R-NAF02K691EP-4力士乐Rexroth
R902042044 A6VE160HZ3/63W-VZL22XB-S
R902065993 A7VO160LRD/63R-VPB01
A10VS0100DFR1/32R-VPB22U99N00
R902052356 A7VO28LRD/63R-NZB01
R902064975 A4VG125EZ2D1/32R-NTF02F021LH-S
R902086558 A6VE55EP2/63W-VSL027FPB-S
R902018905 A11VO75LRDH2/10R-NZD12K02
R902096596 A6VM55HA1R2/63W-VAB010TA
A10VSO10DR/52R-PPA14N00
A11VLO190LRS/11R-NSD12N00
R902107851 A6VM140EP2/63W-VZB027FTB-K
R902099177 A6VM55EP1/63W-VZB02XFHA-S
R902062514 A11VO190HD2D/11R-NSD12K04
R902064184 A11VO95LRDS+A11VO95LRDS
R900834361 ABZPZ-E1X/B35-160/0-A10VSO18P/M
R902106324 A4VG125EP2DT1/32R-NZF02F00XDH-S
2FRM 6 A36-3X/25QRV
R902040451 A7VO160LRG/63L-VPB01
PGF2-2X/ 019 RS20VU2 PGF2-2X/ 022 RS20VU2
A4VG125HDMT1/32R-NSFO21S-S ,
A10VSO18DR/31R-PPA12N00
R902015003 A11VO60DRS/10L-NSC12K02
R902016329 A11VO260DRS/11R-NZD12K84
A10V028DR/31R-PSC12N00
A11VLO260EP2/11R-NSD12K02
A10VSO100DR/32R-PPA12N00
R902077280 A8VO107LA0KH2/63R1-NZG05F071-K
R902086836 A6VM107HA1T/63W-VAB370A-SK
R902092215 A6VE160HZ3/63W-VZL22XB-ES
941109 A10VSO 140 DFLR /31R-PPB12N00 938977 A10VSO 140 DFLR /31R-PPB12N00 力士乐Rexroth
A4VSO500DR/10R-PPB13N00
R902027732 A11VO75LRDH6/10R-NPD12K01
A7VO 液压可变排量泵 柱塞泵
R902089336 A4VG125EP2/32+A11VO60DRS/10-K
R902030857 A6VM140HA1TX/63W-VZB027A-S
R902110315 A8VO140LA0KH2/63R1-NZG05F071
R901005253 ABFAG-V-BS-1X/A10VSO71/180M-4-B0/WTM
R902401189 A A10V O 71 DFR /31R-PSC94K07 814232122 2,555.00
A6VM140DA1/63W-VZB020B 9603559
R909604555 A8VO107LRCH2/60R1-NZG05K04-K *G*
R902080577 A6VM107HD1D/63W-VAB370B-SK
R902102923 A7VO80DR/63R-VZB01
R902046637 A11VO60DRG+A11VO60DRG
R902015274 A11VO130LRH1/10R-NZD12N00-S
A2F200L5P2现货
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。回油过程常见故障处理6.液压泵过热现在生产柱塞泵的厂家很多,进口件和国产件结构不尽相同,每一台泵都应严格按照其出厂使用说明书使用。在维修泵时,首先应该检查泵在系统中的安装、使用是否得当,便于及时查出损坏。 输出压力异常有两种故障,(1)机械振动和噪声柱塞泵是往复泵的一种,属于体积泵,其柱塞靠泵轴的偏心转动驱动,往复运动,其吸入和排出阀都是单向阀,当柱塞外拉时,工作室内压力降低,出口阀关闭,低于进口压力时。A2F200L5P2
R902400364 AH A10V O 71 DFLR/31R-PSC92N00 814232122 3,067.00
R902102530 A8VO200LA1KH1/63R1-NSG05F000
A4VG90EP2D1/32R-NZF02F001MH REXROTH力士乐
A11VO75LRH2/10R-NPD12N00
R902082325 A6VE55HZ3/63W-VXL52XFB-SK
A2FO12/61R-VAB06 A2FO12/61L-VAB06
R909605623 A8VO55SRC/60R1-NZG05K30
A10VSO28DFR1/31R-PSC12N00
R902024796 A6VE55HZ3/63W-VZL22XB-S
R902055267 A4VG71EZ2D1/32R-NSF02F011SH
R902055451 A4VG125DA2DT2/32R-NZF02F021SH-S
R902112678 A4VG71HD3DMT1/32L-NZF02F011D
E-A4VS0180DR/30R-PPB13N00,
R909610201 A6VE80EZ3/63W-VAL027B
R902061637 A4VG125HWDL2/32L-NZF02F011S-SK *G*
R902014250 A6VE107DA1/63W-VZU020B
A4VSO71DRG/10X-PPB13N00 942715
R902069086 A11VLO260DRS/11L-NZD12K61
A4VSG125HD1D/30R-PSD60K240N
A10VS0140DRS/32R-VPB12N00,
R902024738 A8VO107SG1Z/61R1-NZN05F004
A10VSO45DFLR/31R-PPA12N00 909613 A10VSO45DFR/31R-PPA12K01 911010
R902063073 A11VLO190EP2D/11R-NTD12K01EH-S
A10VG45EP2D1/10R-NSC10F003SH-S REXROTH力士乐
R902401194 A A10V O 71 DFR /31R-PRC92KA5 -SO277 814232122 2,643.00
R902092290 A6VE107HD1/63W-VZU027DB-ES
A4VSO180DR/3XR-PPB13N00
934823 A10VSO 100 DFLR /31R-PPA12N00
R902018280 A7VO107LR3H1/63L-NZB01
R902022106 A11VO95LRDS/10R-NSD12K01
A2FO200/63R-VBB05 REXROTH力士乐
A2FM56/61W-VBB040 REXROTH力士乐
力士乐Rexroth PVV2-1X/068RA15DMB
R902075916 A11VO75EP2D/10R-NZD12N00H
A2F200L5P2现货
原因是吸油管路上的阻力过大或补油量不足。如泵的转速过大,油箱中液面过低,进油管漏气,滤油器堵塞等。(1)吸入量不足。原因是吸油管路上的阻力过大或补油量不足。如泵的转速过大,油箱中液面过低,进油管漏气,滤油器堵塞等。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。(2)管道内液流产生的噪声(3)泄油管过细过长,使密封处漏油;若回路负载持续上升,泵的压力也持续上升,当属正常。若负载一定,泵的压力超过负载所需压力值,则应检查泵以外的液压元件,如方向阀、压力阀、传动装置和回油。 6.液压泵过热(5)变量调节机构螺栓松动,密封破损,回油过程(3)泄油管过细过长,使密封处漏油,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。A2F200L5P2
R902073989 A6VM140HA2T/63W-VZB380A-SK
R909609366 A11VO130LRDC+A11VO130LRDC
A10VSO18DFLR/31R-PPA12N00
R900891725 DICHTUNGSSATZ V3-4X/25+PV7-1X/20V
PGH5-2X/125..E11VU2 PGH5-2X/160..E07VU2
A7VO107DR/63R-NBR01
R900771631 PV7-1X/100-118RE07MD0-16-A427力士乐Rexroth
R902058593 A4VG125EP2/32+A11VO95DRS/10
R902061864 A4VG125HD1DMT1/32R-NSF02F001D
R902022815 A11VO75LRDS+A11VO75LRDS
R902107984 A8VO80LA0KS/63R1-NZG05F001
R902066430 A11VO60LRU2/10R-NZC12N00H
R902112173 A4VG71EP4D1/32L-NAF02F021PT
A4VSO355EO2/30R-PPB13N00 REXROTH力士乐
R902089288 A11VLO190LRDU2/11+A10VO28DR/31-K
R902048164 A11VO60DRS/10R-NZC12K79
力士乐Rexroth A10VSO71DFLR/32R-VPB22U99
R902059490 A11VO190DRS+A11VO190DRS *AL*
R902084385 A8VO107LA1KH3/63R1-NZG05F071
R909609851 A11VO130LRS/10R-NPD12K02
R909606864 A11VO95LG2CS/10+A11VO40LG2D/10 *G*
R902108189 A4VG125HD1D1/32R-NSF02F001L
R902057474 A6VM107EP1D/63W-VZB017HB
R902087055 A4VG125EP2DT2/32R-NAF02F071LH
R902113141 A4VG71EP4DM1/32L-NSF02F011PP-S
R902065908 A6VE55EP2/63W-VZL027DHB-SK
R910908416 AA10VSO45DFR1/31R-PPA12K01
R902400478 A A10V O 60 DFR /52R-PSD62K68 814232322 1,967.00
2FRM 6 A76-3X/0,6QRV
R902011737 A6VM107HA1U2/63W-VZB027A-S
R902113042 A4VG71EP4D1/32R-NSF02F071MH-S
R909607121 A11VO95LRDU2/10R-NPD12N00 *G*
R902070619 A6VE55HZ3/63W-VZL020FB-S
R902033191 A7VO28DRG/63R-NZB01-S
R902113192 A4VG71HD3D1/32L-NSF02F021D
A10VSO100DFR/31R-PPA12K01 REXROTH力士乐
R902401066 A A10V O 71 DR /31L-PSC91N00 814232122 2,342.00
R902084895 A11VO145DRS/11R-N