As a quality inspection process on the steel pipe production line, we need to have a strict investigation and care of the quality inspection, because the hydraulic test is too fast, and it can be completed within 30 seconds, assuming that the liquid system of the hydraulic press has a problem. , Then it will inevitably make the steel pipe show a large backlog, and then affect the normal process operation of the enterprise, affecting the actual production power and efficiency. We all know that hydraulic press is a kind of relatively messy equipment, especially the problems presented by the hydraulic system are more difficult for daily operation, so we also have to put forward higher requirements for the later protection and repair.

First of all, in the pressure test process, we must check the moving bearings between the gear teeth according to the monitoring program of the computer, and rely on the oil film formed by the smooth oil to ensure the daily smooth state. Therefore, the outstanding smooth effect has an important effect on the normal operation of the hydraulic system. For example, during the repair process of several 400T large hydraulic presses used by Changling in 2010, they found that these machines have different degrees of wear on the hydraulic system, and there are significant researchers on the appearance of gears. This is because of problems caused by poor smoothness, so we need to polish the surface of the migraine wheel, and then go up the original connecting rod car, and then prepare a new copper tile, inlaid into the connecting rod. After that, a brand-new tile inner hole was machined according to the revised gear size. In addition, we can use high-pressure oil guns to open the smooth pipes inside the machine, and then we can ensure the outstanding smooth state of the hydraulic system.

Secondly, it can increase the lift and gap of the cam of the hydraulic system, and then optimize the opening force used by the cam to reduce the amount of gear wear. The drain valve of the distributor can be opened more than 26.6 mm, and then reach the most standardized equipment. After the pressure in the liquid-filled tank exceeds 1.1 mpa, it is necessary to make an alarm, and to make a useful guess on the opening degree of the hydraulic distributor movement according to the actual fault conditions. When the valve opening degree is less than 25% of the actual opening degree value It is necessary to carry out maintenance in a timely manner, so as to prevent the problems caused by the pressure of the hydraulic system in practice.

Third, during the application process, focus on monitoring, especially during the operation process, to optimize the opening time of the valve, to prevent the water pressure press valve from opening too fast and causing the hydraulic pressure to be large enough to break the water valve. Excessive gear wear.

After the above discussion, we can have a deeper and comprehensive understanding of the daily operation and protection of modern hydraulic press hydraulic system , which can help us understand the importance of early prevention and later repair. However, we need to pay attention to the daily mechanical protection and maintenance operations, many problems can be prevented. It is also necessary to have a useful control and understanding of the daily parts processing industry and quality, which will greatly help us to clean up the system and repair operations.