Calculate P 1 , P 2 , P 3 , P p , Q 1 , Q 2 , Power losses in the DCV, Power losses in the FCV, pump real flow rate The speed of a hydraulic cylinder is controlled by means of a series pressure compensated flow valves, as shown in the given circuit Given Relief valve Cracking pressure 6 MPa Override pressure 0 Hydraulic cylinder f 2000 Ns m v 0 1 m s F 9000 N Piston diameter 60 mm Rod diameter 25 mm No inner leakage Pump V 25 cm rev n 1000 rpm 1, 0 95 11 0 93 n 1 Directional control valve Q 6x10 AP PQ XIIw P (M) Pp M P 0 PQ P 0

Question: Calculate P 1 , P 2 , P 3 , P p , Q 1 , Q 2 , Power losses in the DCV, Power

Calculate P ₁, P ₂, P ₃, P _p, Q ₁, Q ₂, Power losses in the DCV, Power losses in the FCV, pump real flow rate

The speed of a hydraulic cylinder is controlled by means of a series pressure-compensated flow valves, as shown in the given circuit.

Given:

Pump: V = 25 cm/rev n = 1000 rpm 1, = 0.95

Relief valve:

Cracking pressure = 6 MPa

Override pressure = 0

Hydraulic cylinder:

f = 2000 Ns/m

v = 0.1 m/s

F = 9000 N

Piston diameter = 60 mm

Rod diameter = 25 mm

No inner leakage

11 = 0.93 n = 1 Directional control valve: Q=6x10-AP PQ XIIw

Pump: V = 25 cm/rev n = 1000 rpm 1, = 0.95 11 = 0.93 n = 1 Directional control valve: Q=6x10-AP PQ XIIw P (M) Pp M P=0 PQ P=0 "

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