力士乐齿轮泵齿轮泵R901296757 PGH4-3X/050RE11WU2
德国博世REXROTH力士乐公司旗下进口产品
由上海韦米机电设备有限公司长期提供，备货型号当天发货
销售工程师：董 玄 详情电议
齿轮泵是液压泵中结构简单的一种泵，它的抗污染能力强,价格便宜。但一般齿轮泵容积效率较低，轴承. 上不平衡力大，工作压力不高。齿轮泵的另一一个重要缺点是流量脉动大，运行时噪声水平较高，在高压下运行时尤为**。齿轮泵主要用于低压或噪声水平限制不严的场合。一般机械的润滑泵以及非自吸式泵的泵都采用,齿轮泵。
从结构_上看齿轮泵可分为外啮合和内啮合两类,其中以外啮合齿轮泵应用广泛。
外啮合齿轮泵工作原理
外啮合齿轮泵由一对完全相同的齿轮啮合，产生上下体积变化，这就形成了吸油区和压油区。同时在啮合过程中啮合点沿啮合线移动,把这两区分开，起配流作用。
泵的排量
泵每转一周把两个齿轮上齿谷中的存油排出。如果泵中采用标准齿轮,并取齿谷的容积等于齿部的体积，则齿轮每转一周排出的体积可近似等于外径为(mZ+2m)，内径为(mZ-2m)，厚度为B的圆环体积，即
q=π/4[(mZ+2m)2-(mZ-2m)2]B=2rm2ZB
由于齿谷的体积大于齿部，实际几何排量还要大一些，故以3.33代替上式中的π较接近实际情况。得q=6.66m2ZB即泵的实际流量为: Q=6.66m2ZBηpv'n
工作原理
液压泵是靠密封容腔容积的变化来工作的.原动机带动泵旋转时,通过一定机构使泵内的密封工作腔的容积发生变化,由配流装置使密封工作容积轮流和吸油口或压油口相通,从而使泵进行吸油和排油.
密封容积大→泵吸油 输入: 转矩和转速
密封容变小→泵压油 输出: 压力和流量
基于.上述工作原理的液压泵叫做容积式液压泵,液压传动中用到的都是容积式液压泵。
工作原理:
中当凸轮旋转时,柱塞在凸轮和弹簧4的作用下在缸体内往复运动。当柱塞右移时,密封工作腔的容积变大，产生真空，油箱中的油液在大气压力作用下通过单向阀吸入缸体内,实现泵吸油。当柱塞左移时,密封工作腔的容积变小，油液受到挤压便通过单向阀输送到系统中去，实现泵压油。如果偏心轮不断地旋转,泵就会不断地完成吸油和压油动作,因此就会连续不断地向液压系统供油
力士乐rexroth齿轮泵，博世bosch油泵
内啮合齿轮泵
PGF型号
规格1.7至40
运行噪音低
振动小
密封间隙补偿使在低粘度下也能运作
适合多种不同速度和粘度范围
可提供联轴泵
可与轴向柱塞泵和叶片泵结合使用
PGH型号
运行噪音很低
振动小
密封间隙补偿使在低速、低粘度下也能运作
适合多种不同速度和粘度范围
所有安装尺寸和额定尺寸原件可相连
可和叶片泵和轴向柱塞泵连接使用
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力士乐REXROTH叶片泵
力士乐REXROTH可调叶片泵，先导操纵PV7...C/D/N/W
R901320916 PV7-1X/10-14RE01MC0-08-A474
R900580381 PV7-1X/10-14RE01MC0-16
R987046360 PV7-1X/10-14RE01MC0-16LIM.15LT1450G.
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R900520725 PV7-1X/10-14RE01MD3-16
另我公司主要经销品牌有博世力士乐rexroth工业液压气动元件大量现货（电磁换向阀,节流阀,单向阀,比例阀,伺服阀,安全溢流阀,流量控制阀,减压阀,调节阀,压力继电器,比例放大板,放大器,轴向柱塞泵,叶片泵,齿轮泵,伺服驱动器,伺服电机,气动元件,气动阀,气缸等）,部分系列型号
电磁阀4WE6,4WE10,4WE16；电液阀4WEH10H,4WEH16,4WEH25,
单向阀S10A,S20A,Z1S,Z2S,SL10,SL20,SV10,SV20,RVP,插装阀LC,LFA
溢流阀DB,DBW,DBET,DBD,ZDB,Z2DB,减压阀DR6DP,DR10DP,ZDR6,ZDR10,DR-4X,DR-5X
节流阀Z2FS6,Z2FS10,Z2FS16,Z2FS22；调速阀2FRM5,2FRM10,2FRM16,
平衡阀FD12FA,FD12PA,FD12KA,FD16FA,继电器HED80,HED40,电子单元VT,0811
比例方向阀4WRA,4WRAE,4WRE,4WREE,4WREEM,4WRH,4WRZ,4WRZE,4WRKE,4WRBKE,4WS2EM
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柱塞泵A4VSO,A10VSO,A2FO,定量马达A2FM,A4FM,A10FM/E, 齿轮泵0510,AZPF,叶片泵PV7
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业务专员：董玄
公司产品广泛应用于工程机械车辆,石油机械，煤矿掘进机，扒渣机，钻井机械，矿山机械，渔船，吊车，捣炉机等行业和领域.公司实行5S管理，高标准精细化管理，努力提高产品质量和质价比同时提供完善的服务。欢迎各界朋友莅临参观、和业务洽谈。
