0811404612 4WRPEH6C4B24L-2X/G24K0/A1M 力士乐Rexroth
武穴黎翔机电设备有限公司:18934630908 (微信同号)
力士乐比例阀是一种按输入的电信号连续地、按比例地控制液压系统的液流方向、流量和压力的阀类。它山电-机械比例转换装置和液压控制阀本体两大部分构成.前者将输入的电信号连续地按比例地转换为机械力和位移输出,后者在接受这种机械力和位移之后、按比例连续地输出压力和流量.力士乐比例阀的发展主要有两个途径一是用比例电磁铁取代传统液压阀的手动调节装置或取代普通电磁铁发展起来的;二是由电液伺服阀简化结构、降低精度发展起来的比例阀用于模拟控制,是介于普通开关控制与伺服控制之间的控制方式,它也特别适合于
设备的革新或改造。使设备自动化控制水平大为提高。其在现代液雌系统中占比例很大口
与普通液压阀相比.比例阀的优点是:①能简单地实现远距离控制:②能连续地、按比例地控制液压系统的压力和流量。从而实现对执行机构的位置、速度和力的连续控制,并能防止或减小压力、速度变换时的冲击;③油路简化,元件数量少。比例阀适用于既要求能连续控制胀力、流量.和方向.而又不需要很I的控制精度的场合。比例阀也分为压力阀、流量阀和方向阀几大类。近来又出现了功能复合化的趋势
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型号4WRA和4WRAE
通径6和10 2X系列
工作压力可达315 bar
流量可达: 42 I/min (通径6)
75 I/min(通径10)
特征
一直控式比例阀,不带位移电反馈,4WRAE型带集成式放大板(OBE)
一控制液流的方向和流量
一阀的控制通过带中心螺纹的比例电磁铁来实现,线圈可单独拆卸
一底板安装:
孔型符合*** 4401
底板按样本RC 45052 (通径6)或RC 45054 (通径10,另行订货),
一阀芯由弹簧对中
电控器4WRAE:
一带电压输入或电流输入(A1 resp. F1)的集成式放大板(OBE)
4WRA:
采用欧洲卡制式的数字或模拟放大器(单独定购)
一模拟模块放大器
R900558355 4WRAE6E30-2X/G24N9K31/A1V
4WRAE6E30-2X/G24N9K31/A1V-280
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4WRAE10E30-2X/G24N9K31/F1V
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4WRA6E15-2X/G24N9K4/V-589
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4WRA6V30-2X/G24N9K4/V-589
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4WRAE6W07-2X/G24K31/A1V R900954076
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R900954088 4WRA6W30-2X/G24K4/V
武穴黎翔机电设备有限公司:18934630908 (微信同号)