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ELECTROHYDRAULIC MOTION CONTROL SYSTEMS 481
P
cp1 X
v1
P
L1
P
relief
P P sp1
s
P
cp1
P
cp2
P
L1
P
L2
P
cp2 X
v2
P
P L2
s
P
sp2
(a)
X
v1
P
L1
P
P cp1
relief P
P sp1
s
P = P
cp2 cp1
P
L1
P
L2
X
v2
P
P L2
s
P
(b) cp2
P
sp2
FIGURE 7.60: (a) Pre-pressure compensated multi function parallel hydraulic circuit, (b)
post-pressure compensated multi function parallel hydraulic circuit.
