What is the problem of automatic tool drop of ordinary press brake?

Generally, the hydraulic valve leaks, and it depends on how many years your machine has been used. If it has been used for more than years, the sealing ring in the oil cylinder will age, resulting in leakage and sliding.

Besides, you can check whether the hydraulic device is short of oil.

If not, you can change the software or install the software again. There may be a problem with the software.