REXROTH 0513506218 工作压力高

力士乐REXROTH叶片泵是上海韦米机电设备有限公司的【重点优势产品】之一
主营博世BOSCH力士乐rexroth电磁阀、电液换向阀、比例方向阀、电磁流量阀、安全溢流阀、单向节流阀、管式单向阀、比例伺服阀、压力继电器、电子放大器、比例放大板；力士乐博世齿轮泵、轴向柱塞泵、叶片油泵等全系列工业液压阀泵 常年备用现货
叶片泵工作原理
叶片泵的定子内表面是一个圆形，转子与定子间有偏心距，在配油盘上只开有一个吸油窗口和一个压油窗口。当转子在电动机驱动下按图示箭头方向旋转时，叶片经定子下半部时，在离心力的作用下，从叶片槽中伸出，两叶片间的密封容积，实现吸油；叶片经定子上半部时，被定子内表面逐渐压入叶片槽内，密封容积减少，实现压油
叶片泵特性
1.可在压力设定下具有自动高速流量及补偿功能，比定量叶片泵功率损耗少，发热低，是一种节省能源的率叶片泵，为系统设计工程师在率的回路中佳选择。
2.运转平衡安静，特别适合机床和室内的要求。
3.内含压力调整机构，系统可以不要调压阀并且适用直接式电动机，装配容易。
4.备有多种不同压力及流量范围，可供选择。
类型 PV7...A 液压泵是直动式叶片泵，其排量体积可调。
基本上由壳体，盖板，转子，叶片，定子环，压缩弹簧，调整螺钉和控制板组成。为限制大流量，该泵配有调节螺钉。驱动转子在定子环中旋转。转子中导入的叶片在离心力的作用下贴紧定子环的内跑合面。
吸油和排油过程
运输流体所需的腔室由叶片，转子，定子环，控制板和盖板组成。
转子旋转时室体积增加，腔室通过吸油通道填充流体。达到大室体积后，腔室从吸油侧分离。
随着转子继续旋转，高压流体侧的连接打开，腔室缩小并迫使流体通过压力油口进入系统。
压力控制
定子环由弹簧固定在其初始的偏心位置。系统中所需的大工作压力是在调节螺钉处通过弹簧设定。的压力是由于对抗弹簧力的工作阻力作用于定子
环内跑合面的压力侧而产生的。
达到相关压力（由设定的弹簧力决定）后，定子环朝零位置的方向移出其偏心位置。流量自我调节至当时所需的值。当达到
弹簧处设置的大设定压力时，泵会将流量调回至几乎为零。工作压力得到保持，且仅更换泄露流体。流体的损失和加热从而降至低水平。
叶片泵的输人轴不能承受轴向力和径向力，因此安装联轴器时，不准用铁捶敲打装配，联轴器内孔采用二级间隙配合为宜，在键槽180°方向钻一个M6-M10mm的螺纹孔，用螵钉止住防止窜动。
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柱塞泵是采用配油盘配油，缸体旋转，靠变量头变量的斜盘式轴向柱塞泵。该泵采用液压静力平衡的佳油膜厚度设计，使缸体与配油盘、滑靴与变量头之间处于纯液体摩擦下运转，具有结构简单、体积小、噪音低、效率高、寿命长和有自吸能力等优点。轴向柱塞泵具有多种变量形势满足用户的要求，它广泛适用于机床锻压、冶金、工程、矿山、船舶等机械及其他液压传动系统中
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液压油箱在液压系统中的主要作用为储油、散热、分离油中所含空气及泡沫。选用油箱先要考虑其容
量，一般移动式设备取泵大流量的2～，固定式设备取3～；其次考虑油箱油位，当系统全部液压油缸伸出后油箱油面不得低于低油位，当油缸回缩以后油面不得**高油位
BOSCH VPV130 组合泵
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0513869257 0513R15A7VPV130SM14FZ/HY/ZGS11/457 
0513869451 0513R15A7VPV130SM21HZ/HY/ZGS11/328
0513869453 0513R15A7VPV130SM12HZ/IPK32SM21 
0513869551 0513R15A7VPV130SM12HZ/HY/ZGS11/328
BOSCH VPV164单泵
0513870209 0513R15A7VPV164SM14FZ 
0513870213 0513R15A7VPV164SM14FY
0513870229 0513R15A7VPV164SM14FYP1 
0513870233 0513R15A7VPV164SM14JYP1
0513870245 0513R15A7VPV164SM18HZ 
0513870247 0513R15A7VPV164SM18HY 
0513870249 0513R15A7VPV164SM18JZ
0513870251 0513R15A7VPV164SM18JY 
0513870253 0513R15A7VPV164SM18HZP1 
0513870255 0513R15A7VPV164SM18HYP1 
0513870257 0513R15A7VPV164SM18JZP1 
0513870259 0513R15A7VPV164SM18JYP1 
0513870261 0513R15A7VPV164SM14HZP1 
0513870405 0513R15A7VPV164SM21HZB04
0513870407 0513R15A7VPV164SM21HYB04
0513870409 0513R15A7VPV164SM21JZB04
0513870411 0513R15A7VPV164SM21JYB04
0513870417 0513R15A7VPV164SM21HZB04P1
0513870419 0513R15A7VPV164SM21HYB04P1
0513870421 0513R15A7VPV164SM21JZB04P1
0513870423 0513R15A7VPV164SM21JYB04P1
0513870427 0513R15A7VPV164SM21XDZB04P1
0513870429 0513R15A7VPV164SM21JSB04 
0513870431 0513R15A7VPV164SM21JSB04P1 
0513870433 0513R18A7VPV164SM21HYB04P1 
0513870435 0513R15A7VPV155SM21JSB04 
0513870437 0513R15A7VPV140SM21JSB04 
0513870439 0513R15A7VPV164SM21JSB04 
0513870517 0513R15A7VPV164SM12HZB04P1
0513870525 0513R15A7VPV164SM14FYC01
0513870527 0513R15A7VPV164SM14HYC01
0513870529 0513R15A7VPV164SM14JYC01
BOSCH VPV164 组合泵
0513875401 0513R15A7VPV164SM21HYVPV63SM21HYB04
0513876401 0513R15A7VPV164SM21HYVPV45SM21HYB04
0513879251 0513R15A7VPV164SM14HZ/HY/ZGS11/328
0513879451 0513R15A7VPV164SM21HZ/HY/ZGS11/328
0513879453 0513R15A7VPV164SM12HZ/IPK32MM21B04
0513879551 0513R15A7VPV164SM12HZ/HY/ZGS11/328

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