Analysis of the reasons why the pressure of the
hydraulic press cannot rise
1. The hydraulic gauge is broken, replace it with a new hydraulic gauge;
2. The hydraulic press leaks oil. First carefully check whether there is any obvious oil leakage on the surface of the machine (hydraulic cylinder, hydraulic pipeline that has a connecting effect); if not, the oil seal of the piston is damaged, and this is placed around first, because unless it is really looking for If there is no solution, the hydraulic cylinder will be disassembled to replace the sealing ring of the oil seal;
3. Common sense operation error. Although this phenomenon is relatively simple, it should also attract the attention of hydraulic press operators. For example, the three-phase connection is reversed, the height of the oil in the fuel tank cannot reach the specified value, and the pressure regulating valve has not been adjusted to increase the pressure (that is, the relief valve has not been adjusted properly). . This phenomenon usually occurs when a new employee uses a hydraulic press for the first time;
4. If the hydraulic valve is broken, the valve is blocked, the internal spring is stuck by impurities, and it cannot be reset, the pressure of the hydraulic press cannot be increased. If it is a manual reversing valve, remove it and wash it. Unscrew the screw, take out all the parts inside, wash it again, blow the valve, and put it back in sequence); if it is an integrated hydraulic valve, you need to disassemble the corresponding hair block to check and clean it. The original method can be installed;
5. The power of the hydraulic press is not good. It usually appears on older machines, either the hydraulic pump is worn out or the motor is aging. At this time, you can put your palm on the outer wall of the oil inlet pipe (that is, the pipe connecting the hydraulic pump to the oil tank), start the hydraulic press, and the machine restricts the workpiece if If the suction is great, the hydraulic pump is fine, otherwise there is a problem; the aging of the motor is relatively rare. If the motor is really aging, there will be a lot of noise. Since the motor cannot carry the oil pump, the motor is held back, so the sound will be very large. This article is from the official website of the manufacturer
WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!
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