产品展示 / products 您的位置:网站首页 > 产品展示 > Rexroth力士乐 > 力士乐比例方向阀 > VT-MSPA2-2X/A5/000/000Rexroth力士乐液压比例方向阀

Rexroth力士乐液压比例方向阀

简要描述:Rexroth力士乐液压比例方向阀
比例方向电磁阀(带手动按钮) 电磁阀4WRA6W30-23/G24N9K4/VDN6

  • 产品型号:VT-MSPA2-2X/A5/000/000
  • 厂商性质:代理商
  • 更新时间:2022-07-19
  • 访  问  量:574
详情介绍

Rexroth力士乐液压比例方向阀

力士乐比例阀是一种新型的液压控制装置。在普通压力阀、流量阀和方向阀上,用比例电磁铁替代原有的控制部分,按输入的电气信号连续地、按比例地对油流的压力、流量或方向进行远距离控制。

按比例阀控制方式分类是指按照比例阀的先导控制阀中的电气一机械转换方式来分类,其电控制部分有比例电磁铁、力矩马达、直流伺服电动机等多种形式。

首先,比例阀必须有一个配套的放大器,它接受来自于计算机,或者PLC,或者电位器(滑动变阻器)的控制信号,把0-20毫安微弱的信号放大到0-800毫安。计算机的信号太弱了。然后,放大器把放大的信号传送到电磁阀度,电磁阀依据传来的信号大小,克服弹簧力,调节推杆的行程,输出流量大约知1升/分钟,压力随信号变化的控制油。

再后,控制油到达主阀芯的两端,依据不同的压力,推动阀芯移动相应的行程,因为阀芯本身有锥度的台阶,与阀体组合,不同的行程得到不道同的过流面积,再入版口压力稳定的情况下,得到不同的流量。最终实现比例功能。比例阀是由计算机(或其他),放大器,比例电磁铁,锥度台阶的阀芯,入口压力补偿阀(单联可以不要),梭阀,内置卸荷阀(把多余的流量送回油箱)等构成的一个完整的体权系。才能真正实现比例功能。

REXROTH力士乐方向阀是具有两种以上流动形式和两个以上油口的方向控制阀。是实现液压油流的沟通、切断和换向,以及压力卸载和顺序动作控制的阀门。靠阀芯与阀体的相对运动的方向控制阀。有转 阀式和滑阀式两种。按阀芯在阀体内停留的工作位 置数分为二位、三位等;按与阀体相连的油路数分为 二通、三通、四通和六通等;操作阀芯运动的方式有 手动、机动、电动、液动、电液等型式。

REXROTH力士乐方向阀工作原理:

六通方向阀主要由阀体、密封组件、凸轮、阀杆、手柄和阀盖等零部件组成(图1)。阀门由手柄驱动,通过手柄带动阀杆与凸轮旋转,凸轮具有定位驱动与锁定密封组件的开启与关闭功能。手柄逆时针旋转,两组密封组件分别在凸轮的作用下关闭下端的两个通道,上端的两个通道分别与管道装置的进口相通。反之,上端的两个通道关闭,下端两个通道与管道装置的进口相通,实现了不停车换向。

REXROTH力士乐方向阀特点:

1、先导式2级比例方向控制阀,无集成电子元件(OBE)

2、控制体积流量的方向和大小

3、通过带中心螺纹和可拆卸线圈的比例电磁阀驱动

4、用于板结构:根据ISO 4401的连接位置

5、辅助驱动装置,可选

6、以弹簧为中心的阀芯

REXROTH力士乐方向阀分类:

1、机动方向阀,机动方向阀又称行程阀。

2、电磁方向阀,电磁方向阀是利用电磁吸引力操纵阀芯换位的方向控制阀。

3、电液方向阀,电液方向阀是由电磁方向阀和液动方向阀组成的复合阀。

4、手动方向阀,手动方向阀是用手推杠杆

REXROTH力士乐方向阀优点:

动作准确、自动化程度高、工作稳定可靠,但需附设驱动和冷却系统,结构较为复杂;阀瓣式结构则较简单,多用于流量较小的生产工艺上。

在石油、化工、矿山和冶金等行业中,六通方向阀是一种重要的流体换向设备。该阀安装在稀油润滑系统输送润滑油的管道中。通过变换密封组件在阀体中的相对位置,使阀体各通道连通或断开,从而控制流体的换向和启停。操纵阀芯换位的方向控制阀。

为大家推荐REXROTH力士乐比例方向阀举例型号:4WREE10E75-2X/G24K31/A1V

4WRE →直控式比例换向阀,板式结构

E →带内置放大器(无E可通过连接外部放大器)

10 → 10通经(也有6通经等)

E →机能符号(也有E1-、V、W、W1-、EA、WA等)

75 →阀的压差为10bar时的额定流量(NS10) 75 L/min

(也有(NS6)08、16、32,(NS10)25、50、75等)

2X →20至29系列(20至29:安装和连接尺寸不变)

G24 →24V直流电源

K31 →带符合E DIN 43 563-AM6-3的插座,不带插头 插头 需单独订货(K4指带符合DIN 43 650-AM2的插座 不 带插头)

A1 →WREE型A1或F1接口:给定值输入±10 V(F1=给定值 输入4至20mA)

V →氟橡胶矩形密封圈 符合DIN 51 524 标准的液压油 (HL,HLP)

Rexroth力士乐液压比例方向阀

Rexroth比例方向阀部分型号:

4WRA 4WRAE 比例阀

4WRE 4WREE 比例方向阀

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4WRA10E系列


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4WRA10W系列

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