简要说明：

A4VSO180DRG/30R-PPB13N00

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型号	订货号	产地	备注
A4VSO71DR/10R-PPB13N00	R902423294	德国原产	现货,特价
A4VSO125DR/30R-PPB13N00	R9010994306	德国原产	现货,特价
A4VSO180DR/30R-PPB13N00	R910999125	德国原产	现货,特价
A4VSO250DR/30R-PPB13N00	R910974769	德国原产	现货,特价
A10VS010DR/52RPPA14N00	R910990406	德国原产	现货,特价
A10VSO71DR/31R-PPA12N00	R910945133	德国原产	现货,特价
A10VSO100DR/31R-PPA12N00	R910912007	德国原产	现货,特价
A10VS0100DRS/32RVPB12N00-S1439	R902436353	德国原产	现货,特价
A10VSO71DR/10R-PPB13N00	R902423294	德国原产	现货,特价
A10VSO45DR/31R-PPA12N00	R910907403	德国原产	现货,特价
A10VSO140DR/31R-PPB12N00	R910922983	德国原产	现货,特价
A10VSO18DFR1/31R-PPA12N00		力士乐正品	现货,特价
A10VSO28DFR1/31R-PPA12N00		力士乐正品	现货,特价
A10VS071DFR1/31R-PPA12N00		力士乐正品	现货,特价
A10VSO71DRS/32R-VPB22U99		力士乐正品	现货,特价
A10VSO100DRS/32R-VPB12N00		力士乐正品	现货,特价
A10VSO140DRS/32R-VPB12N00		力士乐正品	现货,特价
A2FO32/61L-VAB05	R902155691	德国原产	现货,特价
A2FO28/61R-VPB05	R902201898	德国原产	现货,特价
A2FM125/61W-VAB010	R902138181	德国原产	现货,特价
A2FM250/60W-VPB010	R910914475	德国原产	现货,特价
A7VO55LRDS/63L-NZB01-S	R902218653	德国原产	现货,特价
A7VO160EP/63R-NPB01	R902218520	德国原产	现货,特价
A7VKO012MA/10MRSK4P350-0	R902182161	德国原产	现货,特价
A7VKO028MA/10MRSL4P550-0	R902186115	德国原产	现货,特价

A4VSO180DRG/30R-PPB13N00型号柱塞泵特点：

◆斜盘结构轴向柱塞变量泵，专为开式回路高效液压驱动而设计。

◆广泛用于陶瓷压机、耐材压机、钢铁和锻压机、冶金机械、矿山机械、船用机械、石油装备、工程和机床控制等行业；

◆排量规格大小: 40、71、125、180、250、300、355、500、750毫升/转；

◆带斜盘角度指示器；

◆优异的吸入特性；

◆控制响应灵敏；

◆特别设计的长寿命，高精度航空级满滚子轴承；

◆低噪声，长寿命，优良的功率和重量比；

◆通轴结构，可叠加成组合泵；

◆液压泵的流量正比于泵的转速和排量，调节斜盘倾角可进行排量的无级别调整；

◆变量形式齐全，常用有DR/DRG恒压控制、LR双曲线恒功率自动控制、EO2电气比例控制；

◆额定工作压力可达到350Bar（35MPa）尖峰压力420bar（42MPa）；

◆适用介质：矿物油，水乙二醇，清洁度要求NAS9级；

常见故障处理
    1．液压泵输出流量不足或不输出油液
    (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。
    (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部位。
    (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。
    2．中位时排油量不为零
    变量式轴向柱塞泵的斜盘倾角为零时称为中位，此时泵的输出流量应为零。但有时会出现中位偏离调整机构中点的现象，在中点时仍有流量输出。其原因是控制器的位置偏离、松动或损伤，需要重新调零、紧固或更换。泵的角度维持力不够、倾斜角耳轴磨损也会产生这种现象。
    3．输出流量波动
    输出流量波动与很多因素有关。对变量泵可以认为是变量机构的控制不佳造成，如异物进入变量机构，在控制活塞上划出阶痕、磨痕、伤痕等，造成控制活塞运动不稳定。由于放大器能量不足或零件损坏、含有弹簧的控制活塞的阻尼器效能差，都会造成控制活塞运动不稳定。流量不稳定又往往伴随着压力波动。这类故障一般要拆开液压泵，更换受损零部件，加大阻尼，提高弹簧刚度和控制压力等。
    4．输出压力异常
    泵的输出压力是由负载决定的，与输入转矩近似成正比。输出压力异常有两种故障。
    (1)输出压力过低
    当泵在自吸状态下，若进油管路漏气或系统中液压缸、单向阀、换向阀等有较大的泄漏，均会使压力升不上去。这需要找出漏气处，紧固、更换密封件，即可提高压力。溢流阀有故障或调整压力低，系统压力也上不去，应重新调整压力或检修溢流阀。如果液压泵的缸体与配流盘产生偏差造成大量泄漏，严重时，缸体可能破裂，则应重新研磨配合面或更换液压泵。
    (2)输出压力过高
    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、传动装置和回油管道。若最大压力过高，应调整溢流阀。

 

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