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武穴黎翔机电设备有限公司，询价联系人：何女士
询价电话：0713-6542758，手机：18934630908
询价传真：0713-6542758
询价QQ: 736567721,704552157
现货特价型号：R900925687 4WRAE10W1-30-22/G24N9K31/F1V 2台
D634-371C R24K02MONSS2 3台DG4V-3-6C-M-U-H7-60 10台
DG4V-3-2N-M-U-H7-60 15台DG4V-3-2A-M-U-H7-60 10台
H-507848 30只 3DR16P5-5X/100Y/00M 1台
采用双阀芯技术的液压系统，由于执行机构进出油侧阀口阀芯位置及控制方式各自独立，互不影响，这样通过对两阀芯控制方式的不同组合，利用软件编程能很好解决传统单阀系统不能解决的问题，同时还可以轻易实现传统液压系统中难以实现的功能。
2、双阀芯换向阀的两种基本控制策略
由于双阀芯换向两油口控制的灵活性，两油口可分别采取流量控制、压力控制或流量压力控制。正面介绍两种简单的控制策略。 
（1）负载方向在整个工作过程中保持不变
我们知道，对于汽车起重机、挖掘机、装载机等而言，其液压缸在整个工作过程中负载方向始终维持不变。下面以起重机变幅液压缸为例来探讨双阀芯的控制策略。
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R900564523 ZDBK10VA2-1X/50V
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R900409898 ZDB6VP2-4X/315V
R901101916 ZDB6VP2-4X/315V/60
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R900440160 ZDB6VB3-4X/50V
R900490094 ZDB6VP3-4X/50V
R900433335 ZDB6VA3-4X/100V
R900433336 ZDB6VB3-4X/100V
R900422338 ZDB6VP3-4X/100V
起重机变幅缸在工作过程中其受力，负载方向始终保持不变，因此我们可以采取液压缸有杆控用压力控制、无杆腔用流量控制的控制策略。
无杆腔流量控制是通过检测连接到无杆腔侧阀前后两侧的压差，再根据所需流入或流出流量的多少，计算出阀芯开口大小；有杆腔侧采用压力控制，使该侧维持一个低值的压力，使得更加节能、高效。
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R900596905 ZDB10VP1-4X/100V
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R900596771 ZDB10VA1-4X/315V
R900910338 ZDB10VB1-4X/315V
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R900422752 ZDB10VP2-4X/50V
R900429149 ZDB10VT2-4X/50V
R900424537 ZDB10VA2-4X/100V
R900409951 ZDB10VB2-4X/100V
R900409959 ZDB10VP2-4X/100V
R900442704 ZDB10VT2-4X/100V
R900422189 ZDB10VA2-4X/200V
R900422215 ZDB10VB2-4X/200V
R900409937 ZDB10VP2-4X/200V
R900593768 ZDB10VT2-4X/200V
R900409955 ZDB10VA2-4X/315V
R900409956 ZDB10VB2-4X/315V
R900409958 ZDB10VP2-4X/315V
R900505827 ZDB10VT2-4X/315V
R900507069 ZDB10VA3-4X/50V
R900593169 ZDB10VB3-4X/50V
R900560613 ZDB10VP3-4X/50V
R900554170 ZDB10VT3-4X/50V
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R900583303 ZDB10VP3-4X/100V
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R900583297 ZDB10VB3-4X/200V
R900583145 ZDB10VP3-4X/200V
由于我们在无杆腔采用了流量控制，因此原控制系统中所用的平衡阀可用一个液控单向阀来代替。这样可消除因平衡阀所带来的系统不稳定，从而提高系统稳定性。
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