How do I calculate the pressure needed to move a telescopic hydraulic cylinder with constant speed?

DA Davidschwartz asked on 05 June 2020, 16:17
1 answers / 589 views / 2 votes

It’s not the pressure that is the variable in this case. The pressure will be that which is required for the displacement: say that the load is 10,000lb, and the area of the piston in the hydraulic cylinder is 4in^2, then the pressure in the cylinder must be 10000/4 = 2500psi. It’s the volume of hydraulic fluid that determines the constant speed movement of the piston. The volume must be increasing linearly, in order for the piston to be moving at constant speed.

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