REXROTH A10V028DR/31R-PSC12N00柱塞泵上海代理商

   柱塞泵缸体镶装铜套的，可以采用更换铜套的方法安装。首先把一组柱塞杆外径修整到统一尺寸，再用1000#以上的砂纸抛光外径。

   缸体安装铜套的三种方法：

      （a）缸体加温热装或铜套低温冷冻挤压，过盈装配；

      （b）采有乐泰胶粘着装配，这咱方法要求铜外套外径表面有沟槽；

      （c）缸孔攻丝，铜套外径加工螺纹，涂乐泰胶后，旋入装配。

   熔烧结合方式的缸体与铜套，安装方法如下：

      （a）采用研磨棒，手工或机械方法研磨修复缸孔；

      （b）采用坐标镗床，重新镗缸体孔；

      （c）采用铰刀修复缸体孔。

    采用“表面工程技术”，方法如下：

      （a）电镀技术：在柱塞表面镀一层硬铬；

      （b）电刷镀技术：在柱塞表面刷镀耐磨材料；

      （c）热喷涂或电弧喷涂或电喷涂：喷涂高碳马氏体耐磨材料；

      （d）激光熔敷：在柱塞表面熔敷高硬度耐磨合金粉末。

      缸体孔无铜套的缸体材料大都是球墨铸铁的，在缸体内壁上制备非晶态薄膜或涂层。因为缸体孔内壁有了这种特殊物质，所以才能组成硬—硬配对的磨擦副。

       当采用溢流来调节压力和流量时，有部分的余量溢流回原系统，从而造成柱塞泵存在无用功率，工作效率低，若使用创杰节能变频器后，溢流阀可定它封闭，通过节能变频器本身自动调整工作压力，保持工作压力的稳定，自动追踪设备的压力。实现自动化控制，从而节省能耗。这种调节方式zui大优点就是能降低柱塞泵的运行能耗，节电效果可达30%以上。

主要特点及功能

1、节电效果达30-70%。

2、电机软启动，减少对机械的冲击。

3、无高压节流能量损失。

4、具有欠压、过压、过载、短路、缺相等自动保护。

5、代替原来系统。降低采购产品成本（新设备购买）。

6、减少机械的维修成本。

7、操作简单、可实现远程控制。

REXROTH A10V028DR/31R-PSC12N00柱塞泵上海代理商

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REXROTH A10V028DR/31R-PSC12N00柱塞泵上海代理商