Will be changed to 2000 and 1 and 3 to 2, can reduce the value of the resistance, the result 6, the piston returns to the original position around 0.53, waiting for the next brake, the plunger movement is gentle, this process is fully satisfied with the piston Return sensitivity requirements.
5 Conclusion In summary, the oil return rate is more than 1.53 times from the oil pressure loss of the piston along the path, which is three times the expected return time of 0.53. The above result is mainly because the recovery coefficient is too large. There is a large fluctuation in the piston movement. Change the ruler to other parameters, the simulation result is 5, the piston movement does not fluctuate, but the return time is still around 1. Knowing that the returning oil friction and oil inertia force play a major role, that is, the oil path appears. Blockage.
The coefficient of the Nie and the magnitude of the restoring force are determined together. The piston viscous damping force is small. The pressure loss along the path is mainly determined by the roughness of the tubing inner diameter tubing. The spring stiffness cannot be too high. The long-term use will cause the spring to age.
Therefore, it is necessary to reduce the pressure loss as much as possible. From the analysis of the first part, it can be known that increasing the inner diameter of the pipe and reducing the frictional resistance of the pipe can be effectively reduced, thereby achieving a fast and stable returning effect.
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