Method for evaluating friction and wear performance of valve and predicting service life under simulating working conditions
A technology of friction and wear and working conditions, which is applied in the direction of mechanical valve testing, testing wear resistance, testing material strength by applying repetitive force/pulsation force, etc., can solve problems such as not considering the working conditions of valves, and achieve accurate evaluation Effect
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[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.
[0023] like figure 1 As shown, a method for evaluating valve friction and wear performance and predicting service life under simulated working conditions includes the following steps:
[0024] 1) Apply the valve sealing pre-tightening force, and use the electric cylinder as the drive to make the pre-tightening force reach the test set value, and at the same time ensure that the pre-tightening force applied during the test is constant, and the pressure sensor is used to monitor the pre-tightening force during the test process. Changes;
[0025] 2) Prepare a working medium close to the actual working conditions, and prepare 0.65m in the liquid storage tank ...
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