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What is the function of throttle valve used in precision four column hydraulic cutting machine?

2020-03-19 15:30:24
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What is the function of throttle valve used in precision four column hydraulic cutting machine?

The throttle valve used in the cutting machine controls the flow of fluid by changing the throttling section length. The parallel connection of throttle valve check valve can be combined into one-way throttle valve. Throttle valve one-way throttle valve are simple flow control valves. In the hydraulic system of the quantitative pump of the cutting machine, the throttle valve the safety valve cooperate with each other to form three kinds of throttling speed control systems: the inlet throttle speed regulating system, the reflux throttling speed regulating system the bypass throttling speed regulating system. The throttle valve has no flow negative feedback function can compensate the speed instability caused by load change. They are usually used only when the load variation is small the speed stability requirement is high.


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What is the function of the safety valve used in the cutter manufacturer? Pressure relief valve is a kind of hydraulic control valve, which mainly plays the role of setting pressure overflow, stability, system unloading safety protection in hydraulic equipment of cutting machine. When assembling using the safety valve, the O-ring combination seal ring are damaged, the mounting screw pipe joint are loose, which may cause bad leakage. If the poppet valve the main valve core is worn too much, the sealing surface is in good contact, it will also cause excessive internal leakage even affect the normal operation. What is the function of one way valve of cutting machine? One way valve, also known as one-way valve, is used to prevent the reverse flow of oil in the hydraulic system of cutting machine tools. There are two kinds of one-way valve: through valve right angle valve. The through check valve is installed on the pipeline through threaded connection. Right angle check valve has thread connection, plate connection flange connection.

Hydraulic control check valve, also known as locking valve pressure maintaining valve, is the same as one-way valve to prevent reverse flow of oil. However, when the reverse flow of oil flow is required in the hydraulic circuit, the oil pressure can be controlled the check valve can be opened to make the oil flow bidirectional. The hydraulic control one-way valve adopts conical valve core with good sealing performance. When the pipeline needs to be closed, the valve can be used as a one-way locking device to maintain pressure. There are two ways to control oil leakage through hydraulic check valve: internal external. The internal leakage type can be used in the oil pipeline without back pressure at the reverse outlet of oil flow, otherwise the external leakage type must be adopted to reduce the control oil pressure.

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