Hydraulic circuit

129

01:02:29

Attempt to represent hydraulic circuit, current source is pump first 10r is filter, other rs are pipe and ram restrictions, zener diodes are pressure relief valves. Earth points are return to tank.  When valve is off flow goes to tank, when on can build flow and pressure in actuators. Values need tweaking to give 70 litres/min (A), 190bar pressure (19V). 

published 10 years ago

lmccoig

10 years ago

Nice work to simulate hydraulic system. Transfer injection molding machines I used had valves before oil holding tank to put "back pressure" as control pressures. Temperature of oil a factor in pressure operations. Nice work on simulation.

GeoffEdwards

10 years ago

Thanks, always looked at hydraulics/pneumatics as electrical circuits. Mostly comparable but having some difficulty representing flow into a cylinder (low pressure resistance then pressure rise at end of stroke). Any suggestions please.

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