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REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00

作者:上海韦米 来源:柱塞泵 2018-07-10 浏览量:440
字号:T | T
REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00是液压系统的动力元件,是靠发动机或电动机驱动,从液压油箱中吸入油液,形成压力油排出,送到执行元件的一种元件。液压泵按结构分为齿轮泵、柱塞泵、
REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00  REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00
REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00 德国原装博世力士乐REXROTH液压油泵 力士乐柱塞泵 力士乐齿轮泵 力士乐叶片泵 进口力士乐REXROTH工业液压泵阀设备元件供应商 上海韦米重点销售 全新进口 正品特价
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REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00
泵的泵油机构包括两套精密偶件:柱塞(plunger)+柱塞套(barrel)构成柱塞偶件(plunger and barrel assembly)(图5-11)、出油阀(delivery valve)和出油阀座(delivery valve seat)构成出油阀偶件(delivery valve assembly
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、轴向孔与顶部相通,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。
REXROTH轴向柱塞变量泵A4VSO355DR/30R-PPB13N00
技术参数
(适用于矿物油;有关水基液压油的信息见RC 90223;环保型液压油见RC 90221)
进油压力范围
油口S的绝对压力(吸油口)
Pabs min 规格250…1000
公称压力350 bar
峰值压力400 bar
特性
-斜轴结构向柱塞变量泵,用于开式回路的静液压传动
-流量与驱动转速和排量成比例。通过调节斜轴可无级调节流量
-斜轴结构向维形柱塞旋转组
-无级可变排量
-结构紧凑固的轴承系统,使用寿命长
-可选择长寿命轴承
-良好的性能重量比
-低飞轮效应
-控制装置产品系列丰富
Pabs max---------------------------------------8 bar
进油压力决定LR功率特性及LR.H和LR.N控制特性的起点。
控制起点由制造商设定为Pabs=1 bar
进油压力的增加导致控制起点升高,因此使控制特性产生平行移位。
此变化的详细信息可根据要求提供。
出油压力范围
油口A或B处的压力
公称压力Pn--------------------------------------350 bar
峰值压力Pmax----------------------------------400 bar
德国力士乐REXROTH柱塞泵 力士乐REXROTH液压油泵特价现货供应型号
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泵安装要求
1.泵转向改变,则其吸排方向也改变叶片泵都有规定的转向,不允许反。因为转子叶槽有倾斜,叶片有倒角,叶片底部与排油腔通,配油盘上的节流槽和吸、排口是按既定转向设计。可逆转的叶片泵必须专门设计。
2.叶片泵装配配油盘与定子用定位销正确定位,叶片、转子、配油盘都不得装反,定子内表面吸入区部分最易磨损,必要时可将其翻转安装,以使原吸入区变为排出区而继续使用。
3.拆装 注意工作表面清洁,工作时油液应很好过滤。
4. 叶片在叶槽中的间隙太大会使漏泄增加,太小则叶片不能自由伸缩,会导致工作失常。
5.叶片泵的轴向间隙 对ηv影响很大。
 1)小型泵-0.015~0.03mm
 2)中型泵-0.02~0.045mm
6.油液的温度和粘度 一般不宜超过55℃,粘度要求在17~37mm2/s之间。粘度太大则吸油困难;粘度太小则漏泄严重。
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A10VO71DFRI/34 PSC6402-S0225
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