武穴黎翔机电设备有限公司REXROTH力士乐销售部
比例阀采用阀芯+阀体结构。伺服阀和伺服比例阀主要应用在闭环控制系统,比例阀的驱动装置是比例电磁铁。
伺服阀的驱动装置是力马达或力矩马达.阀体兼作阀套。
驱动装置不同.所以近些年出现了比例伺服阀。
比例阀一般zui高几十Hz,伺服阀中位没有死区,伺服阀对液压油液的要求更高.性能参数不同;否则容易堵塞,
用来控制流量和流向,比例阀要求低一些.比例阀有中位死区;
比例阀和伺服阀的区别主要体现在以下几点:
逐渐向伺服阀靠近,
比例换向阀属于比例阀的一种,滞环、中位死区、频宽、过滤精度等特性不同.阀的额定压降不同;比例换向阀具有与普通换向阀相似的中位机能,
而比例伺服阀性能介于伺服阀和比例阀之间,因此应用场合不同,伺服阀和伺服比例阀采用阀芯+阀套的结构。中位机能种类不同.其它结构的比例阀主要应用在开环控系统及闭环速度控制系统;因为比例阀的性能越来越好;2伺服阀的频响(响应频率)更高。阀芯结构及加工精度不同.伺服阀与比例阀之间的差别并没有严格的规定。
,可以高达200Hz左右,需要精过滤才行,而伺服阀中位机能只有O型(Rexroth产品的E型)。
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R900975912 3DREPE6A-2X/25EG24N9K31/F1V
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R900955784 3DREPE6C-2X/25EG24N9K31/A1M
R900954428 3DREPE6C-2X/45EG24K31/A1M
R900954427 3DREPE6C-2X/25EG24K31/A1M
R900954425 3DREPE6C-2X/16EG24K31/A1M
R900954424 3DREPE6A-2X/45EG24K31/A1M
R900954423 3DREPE6A-2X/25EG24K31/A1M
R900954422 3DREPE6A-2X/16EG24K31/A1M
R900943943 3DREPE6B-2X/25EG24N9K31/F1V
R900943289 3DREPE6A-2X/45EG24N9K31/A1V
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R900926984 3DREPE6C-2X/25EG24N9K31/F1V
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R900925526 3DREPE6A-2X/25EG24N9K31/A1V
R900925484 3DREPE6C-2X/25EG24N9K31/A1V
R900925013 3DREPE6B-2X/45EG24N9K31/A1V
R900782219 3DREPE6C-2X/16EG24N9K31/F1M
R900706435 3DREPEB6A-2X/25EG24N9K31/A1V
R900958859 3DREPE6C-2X=25EG24N9K31/F1M=00
R900958848 3DREPE6C-2X/25EG24N9K31/F1M
R900943943 3DREPE6B-2X/25EG24N9K31/F1V
R900926984 3DREPE6C-2X/25EG24N9K31/F1V
R900978110 3DREPE6A-2X/45EG24N9K31/F1M
R900890638 REGULATOR3DREPE6.-20/F1K31
R900858305 REGULATOR3DREPE6.-20/F1
3DREPE6C-20=25EG24N9K31/F1M=00
3DREPE6C-2X/25EG24N9K31/A1M
3DREPE6C-2X/25EG24N9K31/A1M
3DREPE6C-20=25EG24N9K31/F1M=00
3DREPE6C-20/25EG24K31/A1M
3DREPE6C-20/25EG24K31/A1M
3DREPE6C-20/25EG24K31/A1M
3DREPE 6C-2O=25EG24N 9K 31/F1M=00
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R900954521,3DREE10P-6X/50YG24K31V
R900971828,3DREE16P-6X/100XYG24K31V
R900771391,3DREE16P-6X/100XYG24K31V=PL
R900954522,3DREE16P-6X/100YG24K31V
R900976048,3DREE16P-6X/200XYG24K31V
R900954523,3DREE16P-6X/200YG24K31V
R900954524,3DREE16P-6X/50YG24K31V
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