特价供应力士乐A4V系列变量泵
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力士乐A4V柱塞泵变量原理就是通过LS(负载敏感)来控制,当执行元件压力变化时,LS把执行元件的压力情况反馈给泵上的LS阀,LS阀给力士乐A4V柱塞泵变量泵里的柱塞施加压力,改变斜盘的角度,从而实现变量.当系统有多个执行元件时,取压力大的执行元件
变量泵的变量控制我知道的一般有两种形式,1:电控;2液控。电控大多采用电比例信号控制比例阀的开口量,通过变量油缸从而改变斜盘角度达到变量目的。液控形式与电控原理没有本质区别。只是阀的控制形式改为液控。亦称LS。有随动伺服的也有压力反馈控制的。
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力士乐柱塞泵为博世-力士乐Bosch Rexroth旗下品牌,REXROTH不仅是世界前100强公司,也是世界高科技企业之一,50多年来,Bosch Rexroth集团及Bosch Rexroth公司的业务部门致力开发专业型
液压传动领域高科技产品,产品和品牌已享誉全球。力士乐的产品是的,因为在世界市场上,目前没有其他的品牌能向顾客提供所有传动与控制技术,专门化与一体化并举。正因如此,博世-力
士乐在液压传动、控制及移动技术等领域成为了世界性的榜样。
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Rexroth 柱塞泵的用途 Rexroth 柱塞泵被广泛用于高压、大流量、大功率的系统中和流量需要调节的场合,如龙门刨床、拉床、液压机、工程机械等得到广泛的应用。 1.Rexroth柱塞泵的形式
很多。 2.Rexroth柱塞泵按柱塞的排列和运动方向不同,可分为Rexroth径向柱塞泵和Rexroth轴向柱塞泵。 3.Rexroth柱塞泵按配流方式的不同,可分为斜盘式(直轴式)和斜轴式。
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Rexroth柱塞泵的优点 1. 参数高:额定压力高,转速高,力士乐油泵的驱动功率大 2. 效率高,容积效率为95%左右,总效率为90%左右 3. 寿命长 4. 变量方便,形式多 5. 单位
功率的重量轻 6. 力士乐柱塞泵主要零件均受压应力,材料强度性能可得以充分利用
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Rexroth 柱塞泵的用途 Rexroth 柱塞泵被广泛用于高压、大流量、大功率的系统中和流量需要调节的场合,如龙门刨床、拉床、液压机、工程机械等得到广泛的应用。 1.Rexroth柱塞泵的形式
很多。 2.Rexroth柱塞泵按柱塞的排列和运动方向不同,可分为Rexroth径向柱塞泵和Rexroth轴向柱塞泵。 3.Rexroth柱塞泵按配流方式的不同,可分为斜盘式(直轴式)和斜轴式。