hydraulic overload protector pump
Overload protector is equipped in press machine to check the hydraulic pressure of cylinder inside the slider
If happened overload, the hydraulic pressure of cylinder will be released immediately within 3/1000 seconds
When happen overload, in order to protect the press and die, the press will stop working immediately after receiving the signal from limit switch
After happen overload, the air will drive hydraulic pump to supplement normal working pressure immediately and the press can work normally
Has pressure control valve inside of overload protector
Can be adjusted automatically and eliminate the impact of rising pressure
