Spring stiffness testing methods for mechanical check valves In the mechanical check valve, the stiffness of the spring is one of the important performance indicators, which directly affects the sealing performance, regulating performance, and life of the check valve. Therefore, the detection and control of spring stiffness are key…
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How accurate is digital control？
In the development of modern industry and science and technology, digital control system has become an important pillar in the field of automation with its high precision, high stability and strong adaptability. The reason why digital control can achieve accurate control mainly depends on its comprehensive advantages in working principle,…
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How to stabilize the speed control
First of all, understanding the basic principle of speed control is the key. Speed control refers to keeping the moving speed of an object at a set value or changing according to a predetermined law through certain means. This process usually depends on the cooperation of sensors, controllers and…
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How to identify servo valve parameters
As the core control component in hydraulic system, servo valve plays a vital role in aerospace, industrial automation, robotics and other fields. In order to control the servo system accurately, it is necessary to identify its key parameters accurately. Parameter identification of servo valve refers to determining the dynamic and…
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Pressure Test Process and Pressure Holding Time of Mechanical Valves
Pressure Test Process and Pressure Holding Time of Mechanical Valves In industrial production, the normal operation and safe operation of machinery and equipment are crucial. Among them, valves, as key equipment for controlling fluid flow, directly affect production efficiency and product quality. As a widely used type of valve,…
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How to switch oil circuit of four-way servo valve
In the hydraulic system, the four-way servo valve is a key control element, which is widely used in the hydraulic servo system with high precision and high response. Its main function is to accurately control the movement direction, speed and torque of hydraulic actuators (such as hydraulic cylinders or hydraulic…
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Adjustment of the concentricity deviation of the valve seat of the mechanical stop valve
Discussion on the adjustment method of the concentricity deviation of the valve seat of the mechanical stop valve One, Introduction As a type of mechanical valve stop valve, it is widely used in industrial pipelines. Its working principle is to control the flow or cutoff of the medium through…
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Mechanical valve pneumatic actuator cylinder piston wear detection
Mechanical valve pneumatic actuator cylinder piston wear detection One, Introduction Pneumatic actuators are a common type of actuating device in the field of industrial automation. They play an important role in tasks such as valve opening and closing, pressure regulation, and flow control. Pneumatic actuators consist of cylinders, pistons,…
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Pneumatic servo flow control valve
In modern industrial automation control system, pneumatic servo flow control valve, as a key executive component, is widely used in various high-precision and high-response flow regulation occasions. It not only has the advantages of traditional pneumatic control valve, but also combines the high precision and fast response characteristics of servo…
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How to limit the flow direction of one-way servo valve
In the hydraulic system, servo valve, as a high-precision and high-response control element, is widely used in situations where precise control of flow and direction is needed. On the other hand, the one-way servo valve adds the restriction function of one-way flow on the basis of the traditional servo valve,…