YUKEN油研A10-F-R-01-C-S-12变量泵
油研变量泵系统的应用 实现了注塑机液压系统由阀控向泵控的转变，使常规的节流调速系统转变为比例调速系统，整机的控制性能指标有了新的改善和tigao。具体而言，比例变量泵系统除具有常规比例控制系统的优点外，更具有如下优点：
相同功率的机器，注射速度可tigao25%以上，更适应薄壁精密注射要求。由于普通PQ系统功率计算以保压状态为标准，比例变量泵系统在这一动作时功率消耗很低，因而油泵排量可加大25%以上；
系统发热降低，液压元件使用寿命延长。比例变量系统几乎无节流、溢流损失，系统运行时发热大大减少。不仅可节省冷却水之消耗，低油温使密封元件寿命大大tigao；
能量消耗减少，系统效率tigao；
可实现数控比例背压的控制，塑化效果得到了改善；
液压系统污染度水平降低，系统故障明显减少，运动稳定性大大tigao，液压油使用时间比常规系统延长3年以上。
比例变量泵系统具有良好的自适应性，其输出的压力和liuliang能够与负载需求相一致，解决了节流调速系统的liuliang不适应和压力不适应问题，能量损耗大大减少，系统效率tigao，节能效果十分明显，与普通定量泵+PQ比例阀系统相比较，可节电25～45%。
油研变量泵技术参数
变量泵技术参数开式回路-标配压力控制
-更多信息：
A7VO变量泵RC 92 202
规格55-160
技术参数
（适用于矿物油；有关水基液压油的信息见RC90223；环保型液压油见RC 90221）
进油压力范围
油口S的压力（吸油口）
Pabs min 规格250…1000
公称压力350 bar
峰值压力400 bar
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