Elimination of unstable pressure of four-column hydraulic press

Elimination of unstable pressure of four-column hydraulic press

The method of eliminating the unstable pressure of the four-column hydraulic press:

(1) Assemble in strict accordance with the correct assembly method of the hydraulic pump, and check whether the circuit of its control device is correct.

(2) Increase the height of the hydraulic oil tank relative to the hydraulic pump, appropriately increase the diameter of the oil suction pipe, replace the filter element of the oil filter, and dredge the pipeline, which can solve the problem of difficult oil suction and air suction of the pump, and avoid low system pressure; Hydraulic oil of high degree, to avoid the difficulty in pumping oil due to the high viscosity of the oil when the machine is at a low ambient temperature.

(3) The treatment method for the hydraulic control valve is mainly to check whether the unloading or directional valve is on and off, clean the valve core, clear the damping hole, check whether the direction of the one-way valve is correct, and replace the clean oil (re- When filling the hydraulic oil, it is recommended to use a refueling truck equipped with a filter device to refuel] and so on.

(4) The oil return pipe in the oil tank is submerged below the liquid level, and the sealing of the oil suction pipe joint is strengthened, which can effectively prevent the air from being mixed into the system and avoid the system pressure from being unstable. WORLD Press Machine official website www.pressmachine-world.com, please indicate the source for reprinting!

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