In the hydraulic cylinder, in order to maintain its flow is stable to ensure the normal operation, we need to use the speed Yang to regulate its flow. However, after adjusting the throttle valve, sometimes will cause flow instability, especially in a small stable flow is more likely to appear such a problem. So why is this?

For this problem, after analysis, we found that there are many reasons that may cause such a problem. It mainly includes the following reasons: loose locking device, joint plug, temperature rise of hydraulic cylinder oil, low pressure difference in the inlet and outlet oil chamber and the reverse connection of the inlet and outlet oil chamber. So, how do we solve such problems?

As we all know, to ensure that speed the control accuracy of convection scene, you will need to guarantee a certain pressure difference, in order to meet the requirements, then we in the choice between speed, should pay attention to the ordinary product the differential pressure shall be not less than 0.5MPa, if for high accuracy requirement, then the pressure difference should guarantee the 1MPa, in addition, if the hydraulic oil working environment temperature change is bigger, so should be choose speed control with temperature compensation. 

Needing those who remind everybody is, if the breach tightness pressure difference is too small, so reducing valve parts will not be able to guarantee the normal work, it can't effectively pressure compensation, so the flow of hydraulic oil cylinder are not stable, if the choice of actual flow through the wide is too small, so will lead to partial loss pressure, such easy to cause the high oil problem, severe, even lead to the normal operation of the system.

The above mainly help you to analyze the main causes of the hydraulic fluid flow instability, and put forward some Suggestions for reference. We hope that friends can refer to the above contents to deal with this question.