How to judge the hydraulic system of a 630-ton hydraulic press by hearing?

How to judge the hydraulic system of a 630-ton hydraulic press by hearing?

1. The normal operation sound of a 630-ton hydraulic press has a certain rhythm and melody, and remains stable. Therefore, familiarizing and mastering these rules can correctly diagnose whether the hydraulic machinery is working normally.

2. According to the changes in the rhythm and melody of the hydraulic press, and the location where the abnormal sound is produced, the location and degree of damage of the fault can be analyzed and determined.

3. When the 630-ton hydraulic press is normal, the hydraulic pump will make a "whoosh" sound during operation, and the sound will become a buzzing sound as the pressure increases.

4. The leakage sound is small and long, continuous, such as oil leakage, air leakage, water leakage.

5. The impact sound is low and dull, often caused by air entering the hydraulic system.

6. The friction sound is sharp and short, often caused by the grinding and burning of two relative moving components, such as the side plate of the hydraulic pump of the 630-ton hydraulic press against the gear end face, and the distributor plate against the plunger cylinder body.